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| author | fishsoupisgood <github@madingley.org> | 2020-06-18 13:26:56 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2020-06-18 13:26:56 +0100 |
| commit | e41764fceeabb1cdb6a7a299e00f2166a6f6ac32 (patch) | |
| tree | c58c73d742bf990ec692d61ca8d911dd43fab8c6 /stm32 | |
| parent | f7b7cf9e80200cade938d47527e39034c75b9b6d (diff) | |
| download | robs_speedo-e41764fceeabb1cdb6a7a299e00f2166a6f6ac32.tar.gz robs_speedo-e41764fceeabb1cdb6a7a299e00f2166a6f6ac32.tar.bz2 robs_speedo-e41764fceeabb1cdb6a7a299e00f2166a6f6ac32.zip | |
moved stm32 into directory added noddy pcb
Diffstat (limited to 'stm32')
36 files changed, 4250 insertions, 0 deletions
diff --git a/stm32/Makefile b/stm32/Makefile new file mode 100644 index 0000000..e1cd497 --- /dev/null +++ b/stm32/Makefile @@ -0,0 +1,8 @@ + +default: + make -C libopencm3 + make -C app + +clean: + make -C libopencm3 clean + make -C app clean diff --git a/stm32/Makefile.include b/stm32/Makefile.include new file mode 100644 index 0000000..636c314 --- /dev/null +++ b/stm32/Makefile.include @@ -0,0 +1,45 @@ +## +## This file is part of the libopencm3 project. +## +## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de> +## Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net> +## +## This library is free software: you can redistribute it and/or modify +## it under the terms of the GNU Lesser General Public License as published by +## the Free Software Foundation, either version 3 of the License, or +## (at your option) any later version. +## +## This library is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU Lesser General Public License for more details. +## +## You should have received a copy of the GNU Lesser General Public License +## along with this library. If not, see <http://www.gnu.org/licenses/>. +## + +LIBNAME = opencm3_stm32f1 +DEFS = -DSTM32F1 + +FP_FLAGS ?= -msoft-float +ARCH_FLAGS = -mthumb -mcpu=cortex-m3 $(FP_FLAGS) -mfix-cortex-m3-ldrd + +################################################################################ +# OpenOCD specific variables + +OOCD ?= openocd +OOCD_INTERFACE ?= interface/stlink-v2.cfg +#OOCD_BOARD = ../target/stm32f103.cfg +OOCD_BOARD ?= target/stm32f1x.cfg + +################################################################################ +# Black Magic Probe specific variables +# Set the BMP_PORT to a serial port and then BMP is used for flashing +BMP_PORT ?= + +################################################################################ +# texane/stlink specific variables +#STLINK_PORT ?= :4242 + + +include ../Makefile.rules diff --git a/stm32/Makefile.rules b/stm32/Makefile.rules new file mode 100644 index 0000000..ec27405 --- /dev/null +++ b/stm32/Makefile.rules @@ -0,0 +1,261 @@ +# +## This file is part of the libopencm3 project. +## +## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de> +## Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net> +## Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz> +## +## This library is free software: you can redistribute it and/or modify +## it under the terms of the GNU Lesser General Public License as published by +## the Free Software Foundation, either version 3 of the License, or +## (at your option) any later version. +## +## This library is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU Lesser General Public License for more details. +## +## You should have received a copy of the GNU Lesser General Public License +## along with this library. If not, see <http://www.gnu.org/licenses/>. +## + +# Be silent per default, but 'make V=1' will show all compiler calls. +ifneq ($(V),1) +Q := @ +NULL := 2>/dev/null +endif + +############################################################################### +# Executables + +PREFIX ?= arm-none-eabi + +CC := $(PREFIX)-gcc +CXX := $(PREFIX)-g++ +LD := $(PREFIX)-gcc +AR := $(PREFIX)-ar +AS := $(PREFIX)-as +OBJCOPY := $(PREFIX)-objcopy +OBJDUMP := $(PREFIX)-objdump +GDB := $(PREFIX)-gdb +STFLASH = $(shell which st-flash) +STYLECHECK := /checkpatch.pl +STYLECHECKFLAGS := --no-tree -f --terse --mailback +STYLECHECKFILES := $(shell find . -name '*.[ch]') + + +############################################################################### +# Source files + +LDSCRIPT ?= $(BINARY).ld + +#OBJS += $(BINARY).o + + +ifeq ($(strip $(OPENCM3_DIR)),) +# user has not specified the library path, so we try to detect it + +# where we search for the library +LIBPATHS := ./libopencm3 ../libopencm3 + +OPENCM3_DIR := $(wildcard $(LIBPATHS:=/locm3.sublime-project)) +OPENCM3_DIR := $(firstword $(dir $(OPENCM3_DIR))) + +ifeq ($(strip $(OPENCM3_DIR)),) +$(warning Cannot find libopencm3 library in the standard search paths.) +$(error Please specify it through OPENCM3_DIR variable!) +endif +endif + +ifeq ($(V),1) +$(info Using $(OPENCM3_DIR) path to library) +endif + +INCLUDE_DIR = $(OPENCM3_DIR)/include +LIB_DIR = $(OPENCM3_DIR)/lib +SCRIPT_DIR = $(OPENCM3_DIR)/scripts + +############################################################################### +# C flags + +CFLAGS += -Os -g +CFLAGS += -Wextra -Wimplicit-function-declaration +CFLAGS += -Wmissing-prototypes -Wstrict-prototypes +CFLAGS += -fno-common -ffunction-sections -fdata-sections + +############################################################################### +# C++ flags + +CXXFLAGS += -Os -g +CXXFLAGS += -Wextra -Wshadow -Wredundant-decls -Weffc++ +CXXFLAGS += -fno-common -ffunction-sections -fdata-sections + +############################################################################### +# C & C++ preprocessor common flags + +CPPFLAGS += -MD +CPPFLAGS += -Wall -Wundef + +INCLUDES = -I$(INCLUDE_DIR) +DEFINES = $(DEFS) + +CPPFLAGS += $(INCLUDES) $(DEFINES) + +############################################################################### +# Linker flags + +LDFLAGS += --static -nostartfiles +LDFLAGS += -L$(LIB_DIR) +LDFLAGS += -T$(LDSCRIPT) +LDFLAGS += -Wl,-Map=$(*).map +LDFLAGS += -Wl,--gc-sections +ifeq ($(V),99) +LDFLAGS += -Wl,--print-gc-sections +endif + +############################################################################### +# Used libraries + +LDLIBS += -l$(LIBNAME) +LDLIBS += -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group + +############################################################################### +############################################################################### +############################################################################### + +.SUFFIXES: .elf .bin .hex .srec .list .map .images .dfu +.SECONDEXPANSION: +.SECONDARY: + +all: elf + + +elf: $(BINARY).elf +bin: $(BINARY).bin +hex: $(BINARY).hex +srec: $(BINARY).srec +list: $(BINARY).list + +images: $(BINARY).images +flash: $(BINARY).flash + +%.images: %.bin %.hex %.srec %.list %.map %.dfu + @#printf "*** $* images generated ***\n" + +%.bin: %.elf + @#printf " OBJCOPY $(*).bin\n" + $(Q)$(OBJCOPY) -Obinary $(*).elf $(*).bin + +%.hex: %.elf + @#printf " OBJCOPY $(*).hex\n" + $(Q)$(OBJCOPY) -Oihex $(*).elf $(*).hex + +%.dfu: %.elf + @#printf " OBJCOPY $(*).dfu\n" + $(Q)$(OBJCOPY) -Obinary $(*).elf $(*).dfu + +%.srec: %.elf + @#printf " OBJCOPY $(*).srec\n" + $(Q)$(OBJCOPY) -Osrec $(*).elf $(*).srec + +%.list: %.elf + @#printf " OBJDUMP $(*).list\n" + $(Q)$(OBJDUMP) -S $(*).elf > $(*).list + +fish: + echo %.elf %.map: $(OBJS) $(LDSCRIPT) $(LIB_DIR)/lib$(LIBNAME).a + echo $(BINARY).elf + +%.elf %.map: $(OBJS) $(LDSCRIPT) $(LIB_DIR)/lib$(LIBNAME).a + @#printf " LD $(*).elf\n" + $(Q)$(LD) $(LDFLAGS) $(ARCH_FLAGS) $(OBJS) $(LDLIBS) -o $(*).elf + +%.o: %.c $(OPENCM3_DIR)/../opencm3.build.stamp + @#printf " CC $(*).c\n" + $(Q)$(CC) $(CFLAGS) $(CPPFLAGS) $(ARCH_FLAGS) -o $(*).o -c $(*).c + +%.o: %.cxx $(OPENCM3_DIR)/../opencm3.build.stamp + @#printf " CXX $(*).cxx\n" + $(Q)$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(ARCH_FLAGS) -o $(*).o -c $(*).cxx + +%.o: %.cpp $(OPENCM3_DIR)/../opencm3.build.stamp + @#printf " CXX $(*).cpp\n" + $(Q)$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(ARCH_FLAGS) -o $(*).o -c $(*).cpp + +clean: + @#printf " CLEAN\n" + $(Q)$(RM) *.o *.d *.elf *.bin *.hex *.srec *.list *.map *~ *.dfu ${EXTRACLEANS} *.orig *~ + +stylecheck: $(STYLECHECKFILES:=.stylecheck) +styleclean: $(STYLECHECKFILES:=.styleclean) + +# the cat is due to multithreaded nature - we like to have consistent chunks of text on the output +%.stylecheck: % + $(Q)$(SCRIPT_DIR)$(STYLECHECK) $(STYLECHECKFLAGS) $* > $*.stylecheck; \ + if [ -s $*.stylecheck ]; then \ + cat $*.stylecheck; \ + else \ + rm -f $*.stylecheck; \ + fi; + +%.styleclean: + $(Q)rm -f $*.stylecheck; + + +%.stlink-flash: %.bin + @printf " FLASH $<\n" + $(Q)$(STFLASH) write $(*).bin 0x8000000 + +ifeq ($(STLINK_PORT),) +ifeq ($(BMP_PORT),) +ifeq ($(OOCD_SERIAL),) +%.flash: %.hex + @printf " FLASH $<\n" + @# IMPORTANT: Don't use "resume", only "reset" will work correctly! + $(Q)$(OOCD) -f $(OOCD_INTERFACE) \ + -f $(OOCD_BOARD) \ + -c "init" -c "reset init" \ + -c "flash write_image erase $(*).hex" \ + -c "reset" \ + -c "shutdown" $(NULL) +else +%.flash: %.hex + @printf " FLASH $<\n" + @# IMPORTANT: Don't use "resume", only "reset" will work correctly! + $(Q)$(OOCD) -f $(OOCD_INTERFACE) \ + -f $(OOCD_BOARD) \ + -c "ft2232_serial $(OOCD_SERIAL)" \ + -c "init" -c "reset init" \ + -c "flash write_image erase $(*).hex" \ + -c "reset" \ + -c "shutdown" $(NULL) +endif +else +%.flash: %.elf + @printf " GDB $(*).elf (flash)\n" + $(Q)$(GDB) --batch \ + -ex 'target extended-remote $(BMP_PORT)' \ + -x $(SCRIPT_DIR)/black_magic_probe_flash.scr \ + $(*).elf +endif +else +%.flash: %.elf + @printf " GDB $(*).elf (flash)\n" + $(Q)$(GDB) --batch \ + -ex 'target extended-remote $(STLINK_PORT)' \ + -x $(SCRIPT_DIR)/stlink_flash.scr \ + $(*).elf +endif + +.PHONY: images clean stylecheck styleclean elf bin hex srec list + +-include $(OBJS:.o=.d) + + +$(LIB_DIR)/lib$(LIBNAME).a: $(OPENCM3_DIR)/../opencm3.build.stamp + + +$(OPENCM3_DIR)/../opencm3.build.stamp: + ${MAKE} -C ${OPENCM3_DIR} + touch $@ + diff --git a/stm32/app/.gitignore b/stm32/app/.gitignore new file mode 100644 index 0000000..6d83155 --- /dev/null +++ b/stm32/app/.gitignore @@ -0,0 +1,5 @@ +*.d +*.o +*.elf +*.map +*.hex diff --git a/stm32/app/Makefile b/stm32/app/Makefile new file mode 100644 index 0000000..f50e524 --- /dev/null +++ b/stm32/app/Makefile @@ -0,0 +1,69 @@ +## +## This file is part of the libopencm3 project. +## +## Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de> +## +## This library is free software: you can redistribute it and/or modify +## it under the terms of the GNU Lesser General Public License as published by +## the Free Software Foundation, either version 3 of the License, or +## (at your option) any later version. +## +## This library is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU Lesser General Public License for more details. +## +## You should have received a copy of the GNU Lesser General Public License +## along with this library. If not, see <http://www.gnu.org/licenses/>. +## + +CPROTO=cproto +PROG=speedo + +V=1 +default: ${PROG}.elf + +CSRCS=main.c led.c i2c.c usart.c ring.c ticker.c oled.c i2c_hw.c font8x8.c font8x16.c tacho.c oled1.c oled2.c font21x32.c gauge.c + +HSRCS=i2c.h oled.h project.h ring.h + +BINARY = ${PROG} +OBJS = ${CSRCS:%.c=%.o} + + +include ../Makefile.include + +tidy: + indent -i2 -ts0 ${CSRCS} ${HSRCS} + +#INCLUDES += -I.. + +#dfu:${PROG}.dfu +# dfu-util -R -a 0 -d 1d6b:${DID} -s 0x08002000:leave -D $< + +program: ${PROG}.hex + echo init | nc -t localhost 4444 + echo reset init | nc -t localhost 4444 + echo flash write_image erase ${PWD}/$< | nc -t localhost 4444 + echo reset run | nc -t localhost 4444 + +ds: + $(Q)$(OOCD) -f $(OOCD_INTERFACE) \ + -f $(OOCD_BOARD) + +debug: ${PROG}.elf + ${PREFIX}-gdb -x gdb.script ${PROG}.elf +# openocd + +protos: ${CSRCS} + echo -n > prototypes.h + ${CPROTO} $(INCLUDES) $(DEFINES) -e -v ${CSRCS} > prototypes.h.tmp + mv -f prototypes.h.tmp prototypes.h + +tidy: +# indent -i2 -ts0 ${CSRCS} ${HSRCS} + astyle -A3 -s2 --attach-extern-c -L -c -w -Y -m0 -f -p -H -U -k3 -xj -xd ${CSRCS} ${HSRCS} + + +#${OBJCOPY} -I binary -O elf32-littlearm -B arm --rename-section .data=.rodata.almanac,alloc,load,readonly,data,contents $< $@ + diff --git a/stm32/app/font21x32.c b/stm32/app/font21x32.c new file mode 100644 index 0000000..476af5e --- /dev/null +++ b/stm32/app/font21x32.c @@ -0,0 +1,135 @@ +#include "project.h" + +static const uint8_t font21x32[][84] = { + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, + 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, + 0xfc, 0xfe, 0xff, 0x07, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x03, 0x0f, + 0xff, 0xfe, 0xfc, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x3f, 0x7f, 0xff, + 0xe0, 0xc0, 0x80, 0x80, 0x80, 0x80, 0x80, 0xc0, 0xf8, 0xff, 0x7f, 0x3f, + 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x06, 0x06, 0x06, 0x06, 0x02, 0x02, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xc0, + 0xc0, 0xc0, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, + 0x1e, 0x1f, 0x1f, 0x01, 0x01, 0x01, 0x01, 0x01, 0x03, 0x83, 0xc7, 0xff, + 0xff, 0xfe, 0x7c, 0x38, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xe0, 0xe0, 0xf0, + 0xf0, 0xf8, 0xfc, 0xf4, 0xf6, 0xf3, 0xf3, 0xf1, 0xf1, 0xf1, 0xf0, 0xfc, + 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x3c, 0x7e, 0x7f, 0x7b, 0x11, 0x01, 0x01, 0x01, 0x01, 0x83, 0xff, 0xff, + 0xfe, 0xfe, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, + 0x00, 0x04, 0x04, 0x04, 0x04, 0x0e, 0x0f, 0x3b, 0xfb, 0xf9, 0xf0, 0xe0, + 0xc0, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x3f, 0x3f, 0x6f, 0x6e, 0x40, 0xc0, + 0xc0, 0xc0, 0xc0, 0x60, 0x78, 0x7f, 0x3f, 0x3f, 0x1f, 0x07, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0x60, 0x38, 0x0c, 0xfe, 0xff, 0xff, + 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xe0, 0xf0, 0xdc, 0xc6, + 0xc3, 0xc1, 0xc0, 0xc0, 0xc0, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xc0, 0xc0, + 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, + 0x60, 0x60, 0x60, 0x7f, 0x7f, 0x7f, 0x7f, 0x60, 0x60, 0x60, 0x40, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0xff, 0xff, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x0f, 0x0f, 0x0f, 0x07, + 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x8f, 0x8f, + 0x06, 0x02, 0x03, 0x03, 0x01, 0x03, 0x03, 0x1e, 0xfe, 0xfc, 0xfc, 0xf0, + 0xc0, 0x00, 0x00, 0x00, 0x00, 0x07, 0x1f, 0x37, 0x67, 0x63, 0x40, 0xc0, + 0xc0, 0xc0, 0x40, 0x60, 0x78, 0x7f, 0x3f, 0x1f, 0x0f, 0x01, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x80, 0xe0, 0xf0, 0xf8, 0xfc, 0x1e, 0x06, 0x02, 0x03, 0x03, + 0x03, 0x03, 0x3b, 0x7e, 0x7e, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, + 0xff, 0xff, 0xff, 0xff, 0x0c, 0x06, 0x02, 0x02, 0x02, 0x02, 0x06, 0xfe, + 0xfc, 0xf8, 0xf0, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x07, 0x1f, 0x3f, 0x7f, + 0xff, 0xc0, 0xc0, 0x80, 0x80, 0x80, 0x80, 0xc0, 0xff, 0x7f, 0x7f, 0x1f, + 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xff, + 0x1f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0xcf, 0xef, 0x7f, + 0x3f, 0x0f, 0x07, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0xc0, 0xf0, 0xfc, 0xfe, 0x07, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xff, 0xff, + 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0xf0, 0xfc, 0xfe, 0xc2, 0x82, 0x03, 0x03, 0x03, 0x03, + 0x03, 0x03, 0x06, 0xfe, 0xfc, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, + 0xc1, 0xe7, 0xef, 0x3f, 0x1f, 0x1f, 0x3f, 0x3e, 0x7e, 0xfc, 0xfe, 0xfb, + 0xfb, 0xf1, 0xe0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x7f, 0x7f, 0xe0, + 0xc0, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0xc1, 0x63, 0x7f, 0x3f, + 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, + 0xfc, 0xfe, 0xfe, 0xff, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x07, 0xff, + 0xfe, 0xfc, 0xf8, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0f, 0x1f, 0x3f, + 0x7f, 0x60, 0x40, 0x40, 0x40, 0x40, 0x20, 0x18, 0xff, 0xff, 0xff, 0xff, + 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x7e, 0x7e, 0x5c, 0xc0, 0xc0, + 0xc0, 0x40, 0x60, 0x70, 0x38, 0x3f, 0x1f, 0x0f, 0x03, 0x00, 0x00, 0x00, + }, +}; + + + +/* this can be budget, since it can only fit one way vertically*/ + +void +font21x32_put_ch (uint8_t *vram, unsigned ch, unsigned x) +{ + if ((ch >= '0') && (ch <= '9')) + ch -= '0' - 1; + else + ch = 0; + + + oled_blit_strip (vram, x, x + 21, 0xff, 0, font21x32[ch]); + x += SSD1306_WIDTH; + oled_blit_strip (vram, x, x + 21, 0xff, 0, &font21x32[ch][21]); + x += SSD1306_WIDTH; + oled_blit_strip (vram, x, x + 21, 0xff, 0, &font21x32[ch][42]); + x += SSD1306_WIDTH; + oled_blit_strip (vram, x, x + 21, 0xff, 0, &font21x32[ch][63]); +} + + +void +font21x32_put_str (uint8_t *vram, char *str, unsigned x) +{ + while (*str) { + font21x32_put_ch (vram, * (str++), x); + x += 21; + } +} diff --git a/stm32/app/font8x16.c b/stm32/app/font8x16.c new file mode 100644 index 0000000..4e3b5d6 --- /dev/null +++ b/stm32/app/font8x16.c @@ -0,0 +1,1071 @@ +#include "project.h" + +static const uint8_t font8x16[][16] = { + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + }, + { + 0xf0, 0x08, 0x48, 0x08, 0x08, 0x48, 0x08, 0xf0, 0x3f, 0x40, 0x44, 0x4c, + 0x4c, 0x44, 0x40, 0x3f, + }, + { + 0xf0, 0xf8, 0xb8, 0xf8, 0xf8, 0xb8, 0xf8, 0xf0, 0x3f, 0x7f, 0x7b, 0x73, + 0x73, 0x7b, 0x7f, 0x3f, + }, + { + 0x80, 0xc0, 0xc0, 0x80, 0xc0, 0xc0, 0x80, 0x00, 0x0f, 0x1f, 0x3f, 0x7f, + 0x3f, 0x1f, 0x0f, 0x00, + }, + { + 0x00, 0x00, 0x80, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x06, 0x0f, 0x1f, 0x3f, + 0x1f, 0x0f, 0x06, 0x00, + }, + { + 0x00, 0x00, 0xe0, 0xf0, 0xf0, 0xe0, 0x00, 0x00, 0x0f, 0x0f, 0x4f, 0x70, + 0x70, 0x4f, 0x0f, 0x0f, + }, + { + 0x00, 0x80, 0xc0, 0xf0, 0xf0, 0xc0, 0x80, 0x00, 0x07, 0x0f, 0x4f, 0x7f, + 0x7f, 0x4f, 0x0f, 0x07, + }, + { + 0x00, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0f, + 0x0f, 0x07, 0x00, 0x00, + }, + { + 0xff, 0xff, 0xff, 0x7f, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0xf0, + 0xf0, 0xf8, 0xff, 0xff, + }, + { + 0x00, 0x80, 0xc0, 0x40, 0x40, 0xc0, 0x80, 0x00, 0x00, 0x0f, 0x18, 0x10, + 0x10, 0x18, 0x0f, 0x00, + }, + { + 0xff, 0x7f, 0x3f, 0xbf, 0xbf, 0x3f, 0x7f, 0xff, 0xff, 0xf0, 0xe7, 0xef, + 0xef, 0xe7, 0xf0, 0xff, + }, + { + 0x00, 0x00, 0x80, 0xc8, 0x68, 0x38, 0x78, 0x00, 0x3e, 0x7f, 0x41, 0x41, + 0x7f, 0x3e, 0x00, 0x00, + }, + { + 0x00, 0xf0, 0xf8, 0x08, 0x08, 0xf8, 0xf0, 0x00, 0x00, 0x13, 0x17, 0x7c, + 0x7c, 0x17, 0x13, 0x00, + }, + { + 0x00, 0x00, 0xf8, 0xf8, 0x48, 0x48, 0x78, 0x78, 0x60, 0x70, 0x7f, 0x3f, + 0x00, 0x00, 0x00, 0x00, + }, + { + 0x00, 0xf8, 0xf8, 0x48, 0x48, 0x48, 0xf8, 0xf8, 0xe0, 0xff, 0x7f, 0x00, + 0x00, 0x70, 0x7f, 0x3f, + }, + { + 0x80, 0x80, 0x00, 0xe0, 0xe0, 0x00, 0x80, 0x80, 0x16, 0x16, 0x0f, 0x79, + 0x79, 0x0f, 0x16, 0x16, + }, + { + 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x7f, 0x3f, 0x1f, 0x0f, + 0x07, 0x03, 0x03, 0x00, + }, + { + 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0x00, 0x03, 0x03, 0x07, 0x0f, + 0x1f, 0x3f, 0x7f, 0x00, + }, + { + 0x00, 0x20, 0x30, 0xf8, 0xf8, 0x30, 0x20, 0x00, 0x00, 0x10, 0x30, 0x7f, + 0x7f, 0x30, 0x10, 0x00, + }, + { + 0x00, 0xf8, 0xf8, 0x00, 0x00, 0xf8, 0xf8, 0x00, 0x00, 0x6f, 0x6f, 0x00, + 0x00, 0x6f, 0x6f, 0x00, + }, + { + 0xf0, 0xf8, 0x08, 0xf8, 0xf8, 0x08, 0xf8, 0xf8, 0x00, 0x01, 0x01, 0x7f, + 0x7f, 0x00, 0x7f, 0x7f, + }, + { + 0x10, 0xb8, 0xe8, 0x48, 0xc8, 0x98, 0x10, 0x00, 0x23, 0x67, 0x4c, 0x48, + 0x5c, 0x77, 0x23, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0x70, 0x70, 0x70, + 0x70, 0x70, 0x70, 0x00, + }, + { + 0x00, 0x20, 0x30, 0xf8, 0xf8, 0x30, 0x20, 0x00, 0x00, 0x90, 0xb0, 0xff, + 0xff, 0xb0, 0x90, 0x00, + }, + { + 0x00, 0x20, 0x30, 0xf8, 0xf8, 0x30, 0x20, 0x00, 0x00, 0x00, 0x00, 0x7f, + 0x7f, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0xf8, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x10, 0x30, 0x7f, + 0x7f, 0x30, 0x10, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x02, 0x02, 0x02, 0x0a, + 0x0f, 0x07, 0x02, 0x00, + }, + { + 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x02, 0x07, 0x0f, 0x0a, + 0x02, 0x02, 0x02, 0x00, + }, + { + 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x1f, 0x10, 0x10, + 0x10, 0x10, 0x10, 0x00, + }, + { + 0x00, 0x00, 0x80, 0x00, 0x00, 0x80, 0x00, 0x00, 0x02, 0x07, 0x0f, 0x02, + 0x02, 0x0f, 0x07, 0x02, + }, + { + 0x00, 0x00, 0x80, 0xe0, 0x80, 0x00, 0x00, 0x00, 0x18, 0x1e, 0x1f, 0x1f, + 0x1f, 0x1e, 0x18, 0x00, + }, + { + 0x60, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0x60, 0x00, 0x00, 0x01, 0x07, 0x1f, + 0x07, 0x01, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0xf0, 0xf8, 0xf8, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6f, + 0x6f, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x1c, 0x3c, 0x00, 0x00, 0x3c, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + }, + { + 0x40, 0xf8, 0xf8, 0x40, 0xf8, 0xf8, 0x40, 0x00, 0x08, 0x7f, 0x7f, 0x08, + 0x7f, 0x7f, 0x08, 0x00, + }, + { + 0xf0, 0xf8, 0x08, 0x0e, 0x0e, 0x18, 0x30, 0x00, 0x30, 0x61, 0x41, 0xc1, + 0xc1, 0x7f, 0x3e, 0x00, + }, + { + 0x38, 0x38, 0x00, 0x80, 0xe0, 0x78, 0x18, 0x00, 0x60, 0x78, 0x1e, 0x07, + 0x01, 0x70, 0x70, 0x00, + }, + { + 0x00, 0x70, 0xf8, 0x88, 0xf8, 0x70, 0x00, 0x00, 0x3e, 0x7f, 0x41, 0x47, + 0x3e, 0x7f, 0x41, 0x00, + }, + { + 0x00, 0x00, 0x20, 0x3c, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0xe0, 0xf0, 0x18, 0x08, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x3f, + 0x60, 0x40, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x08, 0x18, 0xf0, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x40, 0x60, + 0x3f, 0x1f, 0x00, 0x00, + }, + { + 0x00, 0x80, 0x80, 0x00, 0x00, 0x80, 0x80, 0x00, 0x02, 0x0a, 0x0f, 0x07, + 0x07, 0x0f, 0x0a, 0x02, + }, + { + 0x00, 0x00, 0x00, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x02, 0x02, 0x02, 0x1f, + 0x1f, 0x02, 0x02, 0x02, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xf0, + 0x70, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x02, 0x02, 0x02, + 0x02, 0x02, 0x02, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, + 0x60, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x80, 0xe0, 0x78, 0x18, 0x00, 0x60, 0x78, 0x1e, 0x07, + 0x01, 0x00, 0x00, 0x00, + }, + { + 0xf0, 0xf8, 0x08, 0x88, 0x08, 0xf8, 0xf0, 0x00, 0x3f, 0x7f, 0x40, 0x47, + 0x40, 0x7f, 0x3f, 0x00, + }, + { + 0x00, 0x20, 0x30, 0xf8, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x7f, + 0x7f, 0x40, 0x40, 0x00, + }, + { + 0x10, 0x18, 0x08, 0x08, 0x88, 0xf8, 0x70, 0x00, 0x78, 0x7c, 0x46, 0x43, + 0x41, 0x60, 0x60, 0x00, + }, + { + 0x10, 0x18, 0x08, 0x08, 0x08, 0xf8, 0xf0, 0x00, 0x20, 0x60, 0x41, 0x41, + 0x41, 0x7f, 0x3e, 0x00, + }, + { + 0x00, 0x80, 0xe0, 0x78, 0xf8, 0xf8, 0x00, 0x00, 0x06, 0x07, 0x05, 0x44, + 0x7f, 0x7f, 0x44, 0x00, + }, + { + 0xf8, 0xf8, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, 0x21, 0x61, 0x41, 0x41, + 0x41, 0x7f, 0x3e, 0x00, + }, + { + 0xe0, 0xf0, 0x18, 0x08, 0x08, 0x00, 0x00, 0x00, 0x3f, 0x7f, 0x41, 0x41, + 0x41, 0x7f, 0x3e, 0x00, + }, + { + 0x18, 0x18, 0x08, 0x08, 0x08, 0xf8, 0xf8, 0x00, 0x00, 0x00, 0x78, 0x7e, + 0x07, 0x01, 0x00, 0x00, + }, + { + 0xf0, 0xf8, 0x08, 0x08, 0x08, 0xf8, 0xf0, 0x00, 0x3e, 0x7f, 0x41, 0x41, + 0x41, 0x7f, 0x3e, 0x00, + }, + { + 0xf0, 0xf8, 0x08, 0x08, 0x08, 0xf8, 0xf0, 0x00, 0x00, 0x41, 0x41, 0x41, + 0x61, 0x3f, 0x1f, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, + 0x30, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x70, + 0x30, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x80, 0xc0, 0x60, 0x30, 0x10, 0x00, 0x00, 0x03, 0x07, 0x0c, + 0x18, 0x30, 0x20, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x09, 0x09, 0x09, 0x09, + 0x09, 0x09, 0x09, 0x00, + }, + { + 0x00, 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0x00, 0x23, 0x67, 0x4c, 0x48, + 0x5c, 0x77, 0x23, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, 0x00, 0x02, 0x02, 0x32, + 0x32, 0x02, 0x02, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, + 0xc0, 0x80, 0x00, 0x00, + }, + { + 0x00, 0x38, 0x7c, 0x44, 0x7c, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x0c, 0x0c, 0x00, 0x00, 0x0c, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, + 0x02, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x08, 0xfc, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, + 0x01, 0x01, 0x00, 0x00, + }, + { + 0x00, 0x88, 0x8c, 0x24, 0xfc, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, + 0x01, 0x00, 0x00, 0x00, + }, + { + 0x00, 0x88, 0xcc, 0x64, 0x3c, 0x98, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, + 0x01, 0x01, 0x00, 0x00, + }, + { + 0x00, 0xe0, 0xe0, 0xe0, 0xe0, 0xe0, 0x00, 0x00, 0x00, 0x3f, 0x3f, 0x3f, + 0x3f, 0x3f, 0x00, 0x00, + }, + { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, + }, +}; + +void +font8x16_put_ch (uint8_t *vram, unsigned ch, unsigned x, unsigned y) +{ + unsigned shift = y & 7; + unsigned page = y >> 3; + unsigned mask; + + x += page * SSD1306_WIDTH; + + oled_blit_strip (vram, x, x + 8, 0xff << shift, shift, font8x16[ch]); + + x += SSD1306_WIDTH; + + shift = 8 - shift; + mask = 0xff >> shift; + + if (shift) + oled_blit_strip (vram, x, x + 8, mask, -shift, font8x16[ch]); + + shift = y & 7; + oled_blit_strip (vram, x, x + 8, ~mask & (0xff << shift), shift, + &font8x16[ch][8]); + + if (shift) { + x += SSD1306_WIDTH; + shift = 8 - shift; + oled_blit_strip (vram, x, x + 8, 0xff >> shift, -shift, + &font8x16[ch][8]); + } + + +} + + +void +font8x16_put_str (uint8_t *vram, char *str, unsigned x, unsigned y) +{ + while (*str) { + font8x16_put_ch (vram, * (str++), x, y); + x += 8; + } +} diff --git a/stm32/app/font8x8.c b/stm32/app/font8x8.c new file mode 100644 index 0000000..c5c9d05 --- /dev/null +++ b/stm32/app/font8x8.c @@ -0,0 +1,288 @@ +#include "project.h" + +static const uint8_t font8x8[][8] = { + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,}, + {0x7e, 0x81, 0x95, 0xb1, 0xb1, 0x95, 0x81, 0x7e,}, + {0x7e, 0xff, 0xeb, 0xcf, 0xcf, 0xeb, 0xff, 0x7e,}, + {0x0e, 0x1f, 0x3f, 0x7e, 0x3f, 0x1f, 0x0e, 0x00,}, + {0x08, 0x1c, 0x3e, 0x7f, 0x3e, 0x1c, 0x08, 0x00,}, + {0x38, 0x38, 0x9f, 0xff, 0x9f, 0x38, 0x38, 0x00,}, + {0x10, 0x38, 0xbc, 0xff, 0xbc, 0x38, 0x10, 0x00,}, + {0x00, 0x00, 0x18, 0x3c, 0x3c, 0x18, 0x00, 0x00,}, + {0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff,}, + {0x00, 0x3c, 0x66, 0x42, 0x42, 0x66, 0x3c, 0x00,}, + {0xff, 0xc3, 0x99, 0xbd, 0xbd, 0x99, 0xc3, 0xff,}, + {0x70, 0x88, 0x88, 0x88, 0x89, 0x7d, 0x03, 0x0f,}, + {0x00, 0x4e, 0x51, 0xf1, 0xf1, 0x51, 0x4e, 0x00,}, + {0xc0, 0xe0, 0x7f, 0x05, 0x05, 0x05, 0x05, 0x07,}, + {0xc0, 0xe0, 0x7f, 0x05, 0x05, 0x65, 0x75, 0x3f,}, + {0x5a, 0x5a, 0x3c, 0xe7, 0xe7, 0x3c, 0x5a, 0x5a,}, + {0x7f, 0x3e, 0x3e, 0x1c, 0x1c, 0x08, 0x08, 0x00,}, + {0x08, 0x08, 0x1c, 0x1c, 0x3e, 0x3e, 0x7f, 0x00,}, + {0x00, 0x24, 0x66, 0xff, 0xff, 0x66, 0x24, 0x00,}, + {0x00, 0x00, 0x5f, 0x00, 0x00, 0x5f, 0x00, 0x00,}, + {0x06, 0x09, 0x09, 0x7f, 0x01, 0x01, 0x7f, 0x01,}, + {0x40, 0xda, 0xa7, 0xa5, 0xe5, 0x59, 0x03, 0x02,}, + {0x00, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x00,}, + {0x80, 0x94, 0xb6, 0xff, 0xff, 0xb6, 0x94, 0x80,}, + {0x00, 0x0c, 0x06, 0x7f, 0x06, 0x0c, 0x00, 0x00,}, + {0x00, 0x18, 0x30, 0x7f, 0x30, 0x18, 0x00, 0x00,}, + {0x08, 0x08, 0x08, 0x2a, 0x3e, 0x1c, 0x08, 0x00,}, + {0x08, 0x1c, 0x3e, 0x2a, 0x08, 0x08, 0x08, 0x00,}, + {0x00, 0x3c, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00,}, + {0x08, 0x1c, 0x3e, 0x08, 0x08, 0x3e, 0x1c, 0x08,}, + {0x30, 0x38, 0x3c, 0x3e, 0x3c, 0x38, 0x30, 0x00,}, + {0x06, 0x0e, 0x1e, 0x3e, 0x1e, 0x0e, 0x06, 0x00,}, + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x5f, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x07, 0x00, 0x00, 0x07, 0x00, 0x00,}, + {0x00, 0x14, 0x7f, 0x14, 0x14, 0x7f, 0x14, 0x00,}, + {0x00, 0x24, 0x2a, 0x6b, 0x6b, 0x2a, 0x12, 0x00,}, + {0x00, 0x46, 0x26, 0x10, 0x08, 0x64, 0x62, 0x00,}, + {0x30, 0x4a, 0x45, 0x4d, 0x32, 0x48, 0x48, 0x00,}, + {0x00, 0x00, 0x04, 0x03, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x1c, 0x22, 0x41, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x41, 0x22, 0x1c, 0x00, 0x00, 0x00,}, + {0x08, 0x2a, 0x1c, 0x1c, 0x1c, 0x2a, 0x08, 0x00,}, + {0x00, 0x08, 0x08, 0x3e, 0x08, 0x08, 0x00, 0x00,}, + {0x00, 0x00, 0x80, 0x60, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00,}, + {0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x00,}, + {0x00, 0x3e, 0x61, 0x51, 0x49, 0x45, 0x3e, 0x00,}, + {0x00, 0x44, 0x42, 0x7f, 0x40, 0x40, 0x00, 0x00,}, + {0x00, 0x62, 0x51, 0x51, 0x49, 0x49, 0x66, 0x00,}, + {0x00, 0x22, 0x41, 0x49, 0x49, 0x49, 0x36, 0x00,}, + {0x10, 0x18, 0x14, 0x52, 0x7f, 0x50, 0x10, 0x00,}, + {0x00, 0x27, 0x45, 0x45, 0x45, 0x45, 0x39, 0x00,}, + {0x00, 0x3c, 0x4a, 0x49, 0x49, 0x49, 0x30, 0x00,}, + {0x00, 0x03, 0x01, 0x71, 0x09, 0x05, 0x03, 0x00,}, + {0x00, 0x36, 0x49, 0x49, 0x49, 0x49, 0x36, 0x00,}, + {0x00, 0x06, 0x49, 0x49, 0x49, 0x29, 0x1e, 0x00,}, + {0x00, 0x00, 0x00, 0x66, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x80, 0x66, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x08, 0x14, 0x22, 0x41, 0x00, 0x00, 0x00,}, + {0x00, 0x24, 0x24, 0x24, 0x24, 0x24, 0x24, 0x00,}, + {0x00, 0x00, 0x00, 0x41, 0x22, 0x14, 0x08, 0x00,}, + {0x00, 0x02, 0x01, 0x01, 0x51, 0x09, 0x06, 0x00,}, + {0x00, 0x3e, 0x41, 0x5d, 0x55, 0x55, 0x1e, 0x00,}, + {0x00, 0x7c, 0x12, 0x11, 0x11, 0x12, 0x7c, 0x00,}, + {0x00, 0x41, 0x7f, 0x49, 0x49, 0x49, 0x36, 0x00,}, + {0x00, 0x1c, 0x22, 0x41, 0x41, 0x41, 0x22, 0x00,}, + {0x00, 0x41, 0x7f, 0x41, 0x41, 0x22, 0x1c, 0x00,}, + {0x00, 0x41, 0x7f, 0x49, 0x5d, 0x41, 0x63, 0x00,}, + {0x00, 0x41, 0x7f, 0x49, 0x1d, 0x01, 0x03, 0x00,}, + {0x00, 0x1c, 0x22, 0x41, 0x51, 0x51, 0x72, 0x00,}, + {0x00, 0x7f, 0x08, 0x08, 0x08, 0x08, 0x7f, 0x00,}, + {0x00, 0x00, 0x41, 0x7f, 0x41, 0x00, 0x00, 0x00,}, + {0x00, 0x30, 0x40, 0x40, 0x41, 0x3f, 0x01, 0x00,}, + {0x00, 0x41, 0x7f, 0x08, 0x14, 0x22, 0x41, 0x40,}, + {0x00, 0x41, 0x7f, 0x41, 0x40, 0x40, 0x60, 0x00,}, + {0x00, 0x7f, 0x01, 0x02, 0x04, 0x02, 0x01, 0x7f,}, + {0x00, 0x7f, 0x01, 0x02, 0x04, 0x08, 0x7f, 0x00,}, + {0x00, 0x3e, 0x41, 0x41, 0x41, 0x41, 0x3e, 0x00,}, + {0x00, 0x41, 0x7f, 0x49, 0x09, 0x09, 0x06, 0x00,}, + {0x00, 0x1e, 0x21, 0x21, 0x31, 0x21, 0x5e, 0x40,}, + {0x00, 0x41, 0x7f, 0x49, 0x19, 0x29, 0x46, 0x00,}, + {0x00, 0x26, 0x49, 0x49, 0x49, 0x49, 0x32, 0x00,}, + {0x00, 0x03, 0x01, 0x41, 0x7f, 0x41, 0x01, 0x03,}, + {0x00, 0x3f, 0x40, 0x40, 0x40, 0x40, 0x3f, 0x00,}, + {0x00, 0x0f, 0x10, 0x20, 0x40, 0x20, 0x10, 0x0f,}, + {0x00, 0x3f, 0x40, 0x40, 0x38, 0x40, 0x40, 0x3f,}, + {0x00, 0x41, 0x22, 0x14, 0x08, 0x14, 0x22, 0x41,}, + {0x00, 0x01, 0x02, 0x44, 0x78, 0x44, 0x02, 0x01,}, + {0x00, 0x43, 0x61, 0x51, 0x49, 0x45, 0x43, 0x61,}, + {0x00, 0x7f, 0x41, 0x41, 0x41, 0x00, 0x00, 0x00,}, + {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x00,}, + {0x00, 0x41, 0x41, 0x41, 0x7f, 0x00, 0x00, 0x00,}, + {0x08, 0x04, 0x02, 0x01, 0x02, 0x04, 0x08, 0x00,}, + {0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,}, + {0x00, 0x00, 0x00, 0x03, 0x04, 0x00, 0x00, 0x00,}, + {0x00, 0x20, 0x54, 0x54, 0x54, 0x54, 0x78, 0x40,}, + {0x00, 0x01, 0x7f, 0x30, 0x48, 0x48, 0x48, 0x30,}, + {0x00, 0x38, 0x44, 0x44, 0x44, 0x44, 0x28, 0x00,}, + {0x00, 0x30, 0x48, 0x48, 0x48, 0x31, 0x7f, 0x40,}, + {0x00, 0x38, 0x54, 0x54, 0x54, 0x54, 0x18, 0x00,}, + {0x00, 0x00, 0x48, 0x7e, 0x49, 0x01, 0x02, 0x00,}, + {0x00, 0x98, 0xa4, 0xa4, 0xa4, 0xa4, 0x78, 0x04,}, + {0x00, 0x41, 0x7f, 0x08, 0x04, 0x04, 0x78, 0x00,}, + {0x00, 0x00, 0x44, 0x7d, 0x40, 0x00, 0x00, 0x00,}, + {0x00, 0x60, 0x80, 0x80, 0x80, 0x84, 0x7d, 0x00,}, + {0x00, 0x01, 0x7f, 0x10, 0x28, 0x44, 0x40, 0x00,}, + {0x00, 0x00, 0x41, 0x7f, 0x40, 0x00, 0x00, 0x00,}, + {0x00, 0x7c, 0x04, 0x04, 0x78, 0x04, 0x04, 0x78,}, + {0x00, 0x7c, 0x08, 0x04, 0x04, 0x04, 0x78, 0x00,}, + {0x00, 0x38, 0x44, 0x44, 0x44, 0x44, 0x38, 0x00,}, + {0x00, 0x84, 0xfc, 0x98, 0x24, 0x24, 0x18, 0x00,}, + {0x00, 0x18, 0x24, 0x24, 0x98, 0xfc, 0x84, 0x00,}, + {0x00, 0x44, 0x7c, 0x48, 0x04, 0x04, 0x18, 0x00,}, + {0x00, 0x48, 0x54, 0x54, 0x54, 0x54, 0x24, 0x00,}, + {0x00, 0x04, 0x04, 0x3f, 0x44, 0x44, 0x20, 0x00,}, + {0x00, 0x3c, 0x40, 0x40, 0x40, 0x20, 0x7c, 0x00,}, + {0x00, 0x0c, 0x10, 0x20, 0x40, 0x20, 0x10, 0x0c,}, + {0x00, 0x3c, 0x40, 0x40, 0x38, 0x40, 0x40, 0x3c,}, + {0x00, 0x44, 0x28, 0x10, 0x28, 0x44, 0x00, 0x00,}, + {0x00, 0x9c, 0xa0, 0xa0, 0xa0, 0xa0, 0x7c, 0x00,}, + {0x00, 0x44, 0x64, 0x54, 0x4c, 0x44, 0x00, 0x00,}, + {0x00, 0x08, 0x08, 0x36, 0x41, 0x41, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x77, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x41, 0x41, 0x36, 0x08, 0x08, 0x00,}, + {0x00, 0x02, 0x01, 0x01, 0x02, 0x02, 0x01, 0x00,}, + {0x00, 0x70, 0x48, 0x44, 0x42, 0x44, 0x48, 0x70,}, + {0x00, 0x0e, 0x91, 0x91, 0xb1, 0xb1, 0x4a, 0x00,}, + {0x00, 0x3a, 0x40, 0x40, 0x40, 0x7a, 0x40, 0x00,}, + {0x00, 0x38, 0x54, 0x54, 0x55, 0x55, 0x18, 0x00,}, + {0x00, 0x22, 0x55, 0x55, 0x55, 0x79, 0x42, 0x00,}, + {0x00, 0x21, 0x54, 0x54, 0x54, 0x78, 0x41, 0x00,}, + {0x00, 0x20, 0x55, 0x55, 0x54, 0x78, 0x40, 0x00,}, + {0x00, 0x20, 0x54, 0x55, 0x54, 0x78, 0x40, 0x00,}, + {0x00, 0x18, 0x24, 0xa4, 0xa4, 0xe4, 0x40, 0x00,}, + {0x00, 0x3a, 0x55, 0x55, 0x55, 0x55, 0x1a, 0x00,}, + {0x00, 0x39, 0x54, 0x54, 0x54, 0x54, 0x19, 0x00,}, + {0x00, 0x38, 0x55, 0x55, 0x54, 0x54, 0x18, 0x00,}, + {0x00, 0x00, 0x01, 0x44, 0x7c, 0x41, 0x00, 0x00,}, + {0x02, 0x01, 0x45, 0x7d, 0x41, 0x01, 0x02, 0x00,}, + {0x00, 0x00, 0x01, 0x45, 0x7c, 0x40, 0x00, 0x00,}, + {0x00, 0x79, 0x14, 0x12, 0x12, 0x14, 0x79, 0x00,}, + {0x00, 0x70, 0x28, 0x2b, 0x2b, 0x28, 0x70, 0x00,}, + {0x00, 0x44, 0x7c, 0x54, 0x55, 0x45, 0x00, 0x00,}, + {0x00, 0x20, 0x54, 0x54, 0x58, 0x38, 0x54, 0x54,}, + {0x00, 0x7c, 0x0a, 0x09, 0x09, 0x7f, 0x49, 0x49,}, + {0x00, 0x30, 0x4a, 0x49, 0x49, 0x4a, 0x30, 0x00,}, + {0x00, 0x32, 0x48, 0x48, 0x48, 0x48, 0x32, 0x00,}, + {0x00, 0x30, 0x49, 0x4a, 0x48, 0x48, 0x30, 0x00,}, + {0x00, 0x38, 0x42, 0x41, 0x41, 0x42, 0x38, 0x00,}, + {0x00, 0x38, 0x41, 0x42, 0x40, 0x40, 0x38, 0x00,}, + {0x00, 0x1a, 0xa0, 0xa0, 0xa0, 0xa0, 0x7a, 0x00,}, + {0x00, 0x19, 0x24, 0x42, 0x42, 0x24, 0x19, 0x00,}, + {0x00, 0x3d, 0x40, 0x40, 0x40, 0x40, 0x3d, 0x00,}, + {0x00, 0x18, 0x24, 0x24, 0xe7, 0x24, 0x24, 0x00,}, + {0x00, 0x68, 0x5e, 0x49, 0x41, 0x42, 0x20, 0x00,}, + {0x00, 0x15, 0x16, 0x7c, 0x16, 0x15, 0x00, 0x00,}, + {0x81, 0xff, 0x85, 0x05, 0x17, 0xfa, 0x90, 0x50,}, + {0x40, 0x88, 0x88, 0x7f, 0x09, 0x09, 0x02, 0x00,}, + {0x00, 0x20, 0x54, 0x54, 0x55, 0x79, 0x40, 0x00,}, + {0x00, 0x00, 0x00, 0x44, 0x7d, 0x41, 0x00, 0x00,}, + {0x00, 0x30, 0x48, 0x48, 0x4a, 0x49, 0x30, 0x00,}, + {0x00, 0x38, 0x40, 0x40, 0x44, 0x42, 0x38, 0x00,}, + {0x00, 0x7a, 0x09, 0x09, 0x0a, 0x0a, 0x71, 0x00,}, + {0x00, 0x7a, 0x09, 0x11, 0x22, 0x42, 0x79, 0x00,}, + {0x00, 0x26, 0x29, 0x29, 0x29, 0x2f, 0x28, 0x00,}, + {0x00, 0x26, 0x29, 0x29, 0x29, 0x26, 0x00, 0x00,}, + {0x00, 0x30, 0x48, 0x45, 0x40, 0x40, 0x20, 0x00,}, + {0x00, 0x38, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00,}, + {0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x38, 0x00,}, + {0x4a, 0x2f, 0x18, 0x88, 0xd4, 0xca, 0xa9, 0xb0,}, + {0x4a, 0x2f, 0x18, 0x28, 0x34, 0x2a, 0xfd, 0x20,}, + {0x00, 0x00, 0x00, 0x7a, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x08, 0x14, 0x22, 0x08, 0x14, 0x22, 0x00,}, + {0x00, 0x22, 0x14, 0x08, 0x22, 0x14, 0x08, 0x00,}, + {0xaa, 0x00, 0x55, 0x00, 0xaa, 0x00, 0x55, 0x00,}, + {0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55,}, + {0xdd, 0xff, 0xaa, 0x77, 0xdd, 0xaa, 0xff, 0x77,}, + {0x00, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00,}, + {0x10, 0x10, 0x10, 0xff, 0x00, 0x00, 0x00, 0x00,}, + {0x14, 0x14, 0x14, 0xff, 0x00, 0x00, 0x00, 0x00,}, + {0x10, 0x10, 0x10, 0xff, 0x00, 0xff, 0x00, 0x00,}, + {0x10, 0x10, 0x10, 0xf0, 0x10, 0xf0, 0x00, 0x00,}, + {0x14, 0x14, 0x14, 0xfc, 0x00, 0x00, 0x00, 0x00,}, + {0x14, 0x14, 0x14, 0xf7, 0x00, 0xff, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x00, 0x00,}, + {0x14, 0x14, 0x14, 0xf4, 0x04, 0xfc, 0x00, 0x00,}, + {0x14, 0x14, 0x14, 0x17, 0x10, 0x1f, 0x00, 0x00,}, + {0x10, 0x10, 0x10, 0x1f, 0x10, 0x1f, 0x00, 0x00,}, + {0x14, 0x14, 0x14, 0x1f, 0x00, 0x00, 0x00, 0x00,}, + {0x10, 0x10, 0x10, 0xf0, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x1f, 0x10, 0x10, 0x10, 0x10,}, + {0x10, 0x10, 0x10, 0x1f, 0x10, 0x10, 0x10, 0x10,}, + {0x10, 0x10, 0x10, 0xf0, 0x10, 0x10, 0x10, 0x10,}, + {0x00, 0x00, 0x00, 0xff, 0x10, 0x10, 0x10, 0x10,}, + {0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,}, + {0x10, 0x10, 0x10, 0xff, 0x10, 0x10, 0x10, 0x10,}, + {0x00, 0x00, 0x00, 0xff, 0x14, 0x14, 0x14, 0x14,}, + {0x00, 0x00, 0x00, 0xff, 0x00, 0xff, 0x10, 0x10,}, + {0x00, 0x00, 0x00, 0x1f, 0x10, 0x17, 0x14, 0x14,}, + {0x00, 0x00, 0x00, 0xfc, 0x04, 0xf4, 0x14, 0x14,}, + {0x14, 0x14, 0x14, 0x17, 0x10, 0x17, 0x14, 0x14,}, + {0x14, 0x14, 0x14, 0xf4, 0x04, 0xf4, 0x14, 0x14,}, + {0x00, 0x00, 0x00, 0xff, 0x00, 0xf7, 0x14, 0x14,}, + {0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14,}, + {0x14, 0x14, 0x14, 0xf7, 0x00, 0xf7, 0x14, 0x14,}, + {0x14, 0x14, 0x14, 0x17, 0x14, 0x14, 0x14, 0x14,}, + {0x10, 0x10, 0x10, 0x1f, 0x10, 0x1f, 0x10, 0x10,}, + {0x14, 0x14, 0x14, 0xf4, 0x14, 0x14, 0x14, 0x14,}, + {0x10, 0x10, 0x10, 0xf0, 0x10, 0xf0, 0x10, 0x10,}, + {0x00, 0x00, 0x00, 0x1f, 0x10, 0x1f, 0x10, 0x10,}, + {0x00, 0x00, 0x00, 0x1f, 0x14, 0x14, 0x14, 0x14,}, + {0x00, 0x00, 0x00, 0xfc, 0x14, 0x14, 0x14, 0x14,}, + {0x00, 0x00, 0x00, 0xf0, 0x10, 0xf0, 0x10, 0x10,}, + {0x10, 0x10, 0x10, 0xff, 0x10, 0xff, 0x10, 0x10,}, + {0x14, 0x14, 0x14, 0xff, 0x14, 0x14, 0x14, 0x14,}, + {0x10, 0x10, 0x10, 0x1f, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0xf0, 0x10, 0x10, 0x10, 0x10,}, + {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,}, + {0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,}, + {0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,}, + {0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,}, + {0x00, 0x38, 0x44, 0x44, 0x28, 0x10, 0x28, 0x44,}, + {0x00, 0xfc, 0x2a, 0x2a, 0x2a, 0x2a, 0x14, 0x00,}, + {0x00, 0x7e, 0x02, 0x02, 0x02, 0x02, 0x06, 0x00,}, + {0x00, 0x04, 0x02, 0x7e, 0x02, 0x7e, 0x02, 0x02,}, + {0x00, 0x63, 0x55, 0x49, 0x49, 0x41, 0x63, 0x00,}, + {0x00, 0x38, 0x44, 0x44, 0x3c, 0x04, 0x04, 0x00,}, + {0x80, 0x7e, 0x10, 0x10, 0x10, 0x0e, 0x10, 0x00,}, + {0x00, 0x04, 0x02, 0x02, 0x7c, 0x04, 0x02, 0x02,}, + {0x00, 0x99, 0xa5, 0xe7, 0xa5, 0x99, 0x00, 0x00,}, + {0x00, 0x1c, 0x2a, 0x49, 0x49, 0x2a, 0x1c, 0x00,}, + {0x00, 0x4c, 0x72, 0x01, 0x01, 0x72, 0x4c, 0x00,}, + {0x00, 0x30, 0x4a, 0x4d, 0x4d, 0x49, 0x30, 0x00,}, + {0x1c, 0x22, 0x22, 0x14, 0x08, 0x14, 0x22, 0x1c,}, + {0x80, 0x58, 0x24, 0x34, 0x2c, 0x26, 0x19, 0x00,}, + {0x00, 0x00, 0x1c, 0x2a, 0x49, 0x49, 0x00, 0x00,}, + {0x00, 0x7e, 0x01, 0x01, 0x01, 0x01, 0x7e, 0x00,}, + {0x00, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x2a, 0x00,}, + {0x00, 0x44, 0x44, 0x5f, 0x44, 0x44, 0x00, 0x00,}, + {0x00, 0x40, 0x40, 0x51, 0x4a, 0x44, 0x40, 0x00,}, + {0x00, 0x40, 0x44, 0x4a, 0x51, 0x40, 0x40, 0x00,}, + {0x00, 0x00, 0x00, 0xfe, 0x01, 0x01, 0x06, 0x00,}, + {0x60, 0x80, 0x80, 0x7f, 0x00, 0x00, 0x00, 0x00,}, + {0x00, 0x08, 0x08, 0x6b, 0x6b, 0x08, 0x08, 0x00,}, + {0x00, 0x24, 0x12, 0x12, 0x24, 0x24, 0x12, 0x00,}, + {0x00, 0x06, 0x09, 0x09, 0x06, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x10, 0x10, 0x00, 0x00, 0x00,}, + {0x20, 0x20, 0x40, 0x80, 0xff, 0x01, 0x01, 0x01,}, + {0x00, 0x1f, 0x01, 0x01, 0x01, 0x1e, 0x00, 0x00,}, + {0x00, 0x12, 0x19, 0x15, 0x12, 0x00, 0x00, 0x00,}, + {0x00, 0x00, 0x3c, 0x3c, 0x3c, 0x3c, 0x00, 0x00,}, + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,}, +}; + +void +font8x8_put_ch (uint8_t *vram, unsigned ch, unsigned x, unsigned y) +{ + unsigned shift = y & 7; + unsigned page = y >> 3; + + x += page * SSD1306_WIDTH; + + oled_blit_strip (vram, x, x + 8, 0xff << shift, shift, font8x8[ch]); + + if (shift) { + x += SSD1306_WIDTH; + shift = 8 - shift; + oled_blit_strip (vram, x, x + 8, 0xff >> shift, -shift, font8x8[ch]); + } + +} + + +void +font8x8_put_str (uint8_t *vram, char *str, unsigned x, unsigned y) +{ + while (*str) { + font8x8_put_ch (vram, * (str++), x, y); + x += 8; + } +} diff --git a/stm32/app/gauge.c b/stm32/app/gauge.c new file mode 100644 index 0000000..8632379 --- /dev/null +++ b/stm32/app/gauge.c @@ -0,0 +1,161 @@ +#include "project.h" + +#define P1_N GPIO12 +#define P1_N_PORT GPIOB +#define P1_P GPIO13 +#define P1_P_PORT GPIOB +#define P2_N GPIO14 +#define P2_N_PORT GPIOB +#define P2_P GPIO15 +#define P2_P_PORT GPIOB + + +int gauge_target; +static int gauge_current; +static unsigned zeroing = 1000; + +#define GUAGE_N_STATE 6 +static unsigned gauge_state; + + +static inline unsigned +cw (unsigned v) +{ + v += GUAGE_N_STATE - 1; + + if (v >= GUAGE_N_STATE) + v -= GUAGE_N_STATE; + + return v; +} + + +static inline unsigned +ccw (unsigned v) +{ + v += 1; + + if (v >= GUAGE_N_STATE) + v -= GUAGE_N_STATE; + + return v; +} + +static inline void +p1 (int i) +{ + if (i < 0) { + SET (P1_N); + CLEAR (P1_P); + } else if (i > 0) { + CLEAR (P1_N); + SET (P1_P); + } else { + CLEAR (P1_N); + CLEAR (P1_P); + } +} + +static inline void +p2 (int i) +{ + if (i < 0) { + SET (P2_N); + CLEAR (P2_P); + } else if (i > 0) { + CLEAR (P2_N); + SET (P2_P); + } else { + CLEAR (P2_N); + CLEAR (P2_P); + } +} + + +void +gauge_ticker (void) +{ + + if (zeroing) { + zeroing--; + gauge_state = ccw (gauge_state); + gauge_current = -10; + } else { + + if (gauge_current < gauge_target) { + gauge_state = cw (gauge_state); + gauge_current++; + } else if (gauge_current > gauge_target) { + gauge_state = ccw (gauge_state); + gauge_current--; + } + } + + + switch (gauge_state) { + case 0: + p1 (1); + p2 (1); + break; + + case 1: + p1 (1); + p2 (0); + break; + + case 2: + p1 (0); + p2 (-1); + break; + + case 3: + p1 (-1); + p2 (-1); + break; + + case 4: + p1 (-1); + p2 (0); + break; + + case 5: + p1 (0); + p2 (1); + } + +} + +void +gauge_test (void) +{ + char buf[8]; +#if 0 + uint32_t now = dwt_read_cycle_counter(); /*This wraps every 59.9 seconds or so */ + + now &= 0x3fffffff; /* now wraps every 15s */ + now = now / (0x3fffffff / 810); + + gauge_target = now; +#else + + if (gauge_target == gauge_current) + gauge_target ^= 900; + +#endif + + + sprintf (buf, "%6d", gauge_current); + font8x8_put_str (vram_1, buf, 80, 24); +} + + + + +void +gauge_init (void) +{ + MAP_OUTPUT_PP (P1_N); + MAP_OUTPUT_PP (P1_P); + MAP_OUTPUT_PP (P2_N); + MAP_OUTPUT_PP (P2_P); +} diff --git a/stm32/app/gdb.script b/stm32/app/gdb.script new file mode 100644 index 0000000..7cf9d09 --- /dev/null +++ b/stm32/app/gdb.script @@ -0,0 +1,2 @@ +target remote localhost:3333 +cont diff --git a/stm32/app/i2c.c b/stm32/app/i2c.c new file mode 100644 index 0000000..8c5630e --- /dev/null +++ b/stm32/app/i2c.c @@ -0,0 +1,21 @@ +#include "project.h" + +static int mutex = 0; + +int +i2c_lock (void) +{ + if (__sync_add_and_fetch (&mutex, 1) != 1) { + __sync_sub_and_fetch (&mutex, 1); + return -1; + } + + return 0; +} + + +void +i2c_unlock (void) +{ + __sync_sub_and_fetch (&mutex, 1); +} diff --git a/stm32/app/i2c.h b/stm32/app/i2c.h new file mode 100644 index 0000000..26570d5 --- /dev/null +++ b/stm32/app/i2c.h @@ -0,0 +1,2 @@ +#define I2C_WRITE 0 +#define I2C_READ 1 diff --git a/stm32/app/i2c_hw.c b/stm32/app/i2c_hw.c new file mode 100644 index 0000000..a17c564 --- /dev/null +++ b/stm32/app/i2c_hw.c @@ -0,0 +1,360 @@ +#include "project.h" + + +#define SCL1 GPIO6 +#define SDA1 GPIO7 +#define SCL1_PORT GPIOB +#define SDA1_PORT GPIOB + +#define SCL2 GPIO10 +#define SDA2 GPIO11 +#define SCL2_PORT GPIOB +#define SDA2_PORT GPIOB + +void +i2c_clear_start (uint32_t i2c) +{ + I2C_CR1 (i2c) &= ~ (uint32_t) I2C_CR1_START; +} + + +int +i2cp_start (uint32_t i2c) +{ + uint32_t timeout = 1000; + i2c_send_start (i2c); + + while (! ((I2C_SR1 (i2c) & I2C_SR1_SB) + & (I2C_SR2 (i2c) & (I2C_SR2_MSL | I2C_SR2_BUSY))) && (timeout--)); + + return timeout ? 0 : -1; +} + +void +i2cp_abort_start (uint32_t i2c) +{ + i2c_clear_start (i2c); + delay_us (10); +} + +void +i2cp_stop (uint32_t i2c) +{ + i2c_send_stop (i2c); +} + + +void +i2cp_abort_stop (uint32_t i2c) +{ + i2c_clear_stop (i2c); + delay_us (10); +} + +int +i2cp_send (uint32_t i2c, uint8_t v) +{ + uint32_t reg; + uint32_t timeout = 1000; + + i2c_send_data (i2c, v); + + while (! + ((reg = + I2C_SR1 (i2c)) & (I2C_SR1_BTF | I2C_SR1_BERR | I2C_SR1_ARLO | + I2C_SR1_AF | I2C_SR1_PECERR | I2C_SR1_TIMEOUT | + I2C_SR1_SMBALERT)) && (timeout--)); + + I2C_SR1 (i2c) = + reg & ~ (I2C_SR1_BERR | I2C_SR1_ARLO | I2C_SR1_AF | I2C_SR1_PECERR | + I2C_SR1_TIMEOUT | I2C_SR1_SMBALERT); + + if (!timeout) + return 1; + + + return (reg & I2C_SR1_BTF) ? 0 : -1; +} + +/*0 on success 1 on failure*/ +int +i2cp_start_transaction (uint32_t i2c, uint8_t a, int wnr) +{ + uint32_t reg; + uint32_t __attribute__ ((unused)) dummy; + uint32_t timeout = 1000; + + i2c_send_start (i2c); + + while (! ((I2C_SR1 (i2c) & I2C_SR1_SB) + & (I2C_SR2 (i2c) & (I2C_SR2_MSL | I2C_SR2_BUSY))) && (timeout--)); + + if (!timeout) + return -1; + + i2c_send_7bit_address (i2c, a, wnr); + + while (! + ((reg = + I2C_SR1 (i2c)) & (I2C_SR1_ADDR | I2C_SR1_BERR | I2C_SR1_ARLO | + I2C_SR1_AF | I2C_SR1_PECERR | I2C_SR1_TIMEOUT | + I2C_SR1_SMBALERT)) && (timeout--)); + + if (!timeout) + return -1; + + dummy = I2C_SR2 (i2c); + + I2C_SR1 (i2c) = + reg & ~ (I2C_SR1_BERR | I2C_SR1_ARLO | I2C_SR1_AF | I2C_SR1_PECERR | + I2C_SR1_TIMEOUT | I2C_SR1_SMBALERT); + + + return (reg == 0x82) ? 0 : -1; +} + + +/*This is stupid, it bit bangs a dummy transaction to get the host i2c controller back in the game */ +void +i2cp1_reset_sm (void) +{ + int i; + + MAP_OUTPUT_PP (SCL1); + MAP_OUTPUT_PP (SDA1); + + SET (SDA1); + SET (SCL1); + delay_us (10); + CLEAR (SDA1); + delay_us (10); + CLEAR (SCL1); + + for (i = 0; i < 9; ++i) { + delay_us (10); + SET (SCL1); + delay_us (10); + CLEAR (SCL1); + delay_us (10); + } + + SET (SCL1); + delay_us (10); + SET (SDA1); + delay_us (10); + + MAP_AF_OD (SCL1); + MAP_AF_OD (SDA1); + +} + +void +i2cp2_reset_sm (void) +{ + int i; + + MAP_OUTPUT_PP (SCL2); + MAP_OUTPUT_PP (SDA2); + + SET (SDA2); + SET (SCL2); + delay_us (10); + CLEAR (SDA2); + delay_us (10); + CLEAR (SCL2); + + for (i = 0; i < 9; ++i) { + delay_us (10); + SET (SCL2); + delay_us (10); + CLEAR (SCL2); + delay_us (10); + } + + SET (SCL2); + delay_us (10); + SET (SDA2); + delay_us (10); + + MAP_AF_OD (SCL2); + MAP_AF_OD (SDA2); + +} + + + +void +i2cp1_start_dma (uint8_t *buf, int len) +{ + dma_channel_reset (DMA1, DMA_CHANNEL6); + dma_set_peripheral_address (DMA1, DMA_CHANNEL6, (uint32_t) & I2C1_DR); + dma_set_memory_address (DMA1, DMA_CHANNEL6, (uint32_t) buf); + dma_set_number_of_data (DMA1, DMA_CHANNEL6, len); + dma_set_read_from_memory (DMA1, DMA_CHANNEL6); + dma_enable_memory_increment_mode (DMA1, DMA_CHANNEL6); + dma_set_peripheral_size (DMA1, DMA_CHANNEL6, DMA_CCR_PSIZE_8BIT); + dma_set_memory_size (DMA1, DMA_CHANNEL6, DMA_CCR_MSIZE_8BIT); + dma_set_priority (DMA1, DMA_CHANNEL6, DMA_CCR_PL_MEDIUM); + dma_enable_transfer_complete_interrupt (DMA1, DMA_CHANNEL6); + dma_enable_transfer_error_interrupt (DMA1, DMA_CHANNEL6); + dma_enable_channel (DMA1, DMA_CHANNEL6); + + i2c_enable_dma (I2C1); +} + + +void +i2cp2_start_dma (uint8_t *buf, int len) +{ + dma_channel_reset (DMA1, DMA_CHANNEL4); + dma_set_peripheral_address (DMA1, DMA_CHANNEL4, (uint32_t) & I2C2_DR); + dma_set_memory_address (DMA1, DMA_CHANNEL4, (uint32_t) buf); + dma_set_number_of_data (DMA1, DMA_CHANNEL4, len); + dma_set_read_from_memory (DMA1, DMA_CHANNEL4); + dma_enable_memory_increment_mode (DMA1, DMA_CHANNEL4); + dma_set_peripheral_size (DMA1, DMA_CHANNEL4, DMA_CCR_PSIZE_8BIT); + dma_set_memory_size (DMA1, DMA_CHANNEL4, DMA_CCR_MSIZE_8BIT); + dma_set_priority (DMA1, DMA_CHANNEL4, DMA_CCR_PL_MEDIUM); + dma_enable_transfer_complete_interrupt (DMA1, DMA_CHANNEL4); + dma_enable_transfer_error_interrupt (DMA1, DMA_CHANNEL4); + dma_enable_channel (DMA1, DMA_CHANNEL4); + + i2c_enable_dma (I2C2); +} + + +int +i2cp1_dma_in_progress (void) +{ + return ! (DMA1_ISR & (DMA_ISR_TCIF6 | DMA_ISR_TEIF6)); +} + +int +i2cp2_dma_in_progress (void) +{ + return ! (DMA1_ISR & (DMA_ISR_TCIF4 | DMA_ISR_TEIF4)); +} + +void +i2cp1_stop_dma (void) +{ + DMA1_IFCR |= DMA_IFCR_CTCIF6 | DMA_IFCR_CTEIF6 | DMA_IFCR_CGIF6; + + dma_disable_transfer_complete_interrupt (DMA1, DMA_CHANNEL6); + dma_disable_transfer_error_interrupt (DMA1, DMA_CHANNEL6); + + i2c_disable_dma (I2C1); + dma_disable_channel (DMA1, DMA_CHANNEL6); +} + +void +i2cp2_stop_dma (void) +{ + DMA1_IFCR |= DMA_IFCR_CTCIF4 | DMA_IFCR_CTEIF4 | DMA_IFCR_CGIF4; + + dma_disable_transfer_complete_interrupt (DMA1, DMA_CHANNEL4); + dma_disable_transfer_error_interrupt (DMA1, DMA_CHANNEL4); + + i2c_disable_dma (I2C2); + dma_disable_channel (DMA1, DMA_CHANNEL4); +} + + +void +i2cp_reset (uint32_t i2c) +{ + while (i2c_lock()); + + i2cp_start (i2c); + i2cp_abort_start (i2c); + i2cp_stop (i2c); + i2cp_abort_stop (i2c); + + i2cp_start (i2c); + i2cp_abort_start (i2c); + i2cp_stop (i2c); + i2cp_abort_stop (i2c); + i2c_unlock(); +} + + + +void +i2cp_scan (uint32_t i2c) +{ + int i, r; + + i2cp_reset (i2c); + + printf ("Probing bus\n"); + + for (i = 0; i < 128; ++i) { + printf ("%d\n", i); + + while (i2c_lock()); + + i2cp_start (i2c); + i2cp_abort_start (i2c); + i2cp_stop (i2c); + i2cp_abort_stop (i2c); + delay_ms (10); + r = i2cp_start_transaction (i2c, i, I2C_WRITE); + i2cp_stop (i2c); + i2c_unlock(); + + if (!r) + printf ("Found device at address 0x%x\n", i); + + usart1_drain(); + } + + printf ("Done\n"); + i2cp_reset (i2c); + +} + +static void +i2cp_bringup (uint32_t i2c) +{ + i2c_peripheral_enable (i2c); + i2c_clear_start (i2c); + i2c_clear_stop (i2c); + i2c_reset (i2c); + i2c_peripheral_enable (i2c); + + I2C_CR1 (i2c) |= I2C_CR1_SWRST; + delay_us (1000); + I2C_CR1 (i2c) &= ~I2C_CR1_SWRST; + + + if (i2c == I2C1) + i2cp1_reset_sm(); + else + i2cp2_reset_sm(); + + + i2c_set_clock_frequency (i2c, I2C_CR2_FREQ_36MHZ); + i2c_set_standard_mode (i2c); + i2c_set_ccr (i2c, 0x80); /* t_high=t_high=CCR * Tpclk1 */ + i2c_set_trise (i2c, 0x0b); + + i2c_set_own_7bit_slave_address (i2c, 0x00); + + i2c_peripheral_enable (i2c); +} + + +void +i2cp_init (void) +{ + rcc_periph_clock_enable (RCC_I2C1); + rcc_periph_clock_enable (RCC_I2C2); + rcc_periph_clock_enable (RCC_DMA1); + + while (i2c_lock()); + + i2cp_bringup (I2C1); + i2cp_bringup (I2C2); + + i2c_unlock(); +} diff --git a/stm32/app/led.c b/stm32/app/led.c new file mode 100644 index 0000000..57baa17 --- /dev/null +++ b/stm32/app/led.c @@ -0,0 +1,42 @@ +#include "project.h" + + +#define LED GPIO13 +#define LED_PORT GPIOC + +static int led = 0; + +void +led_init (void) +{ + MAP_OUTPUT_OD (LED); + SET (LED); + +} + + +void +led_clear (void) +{ + SET (LED); + led = 0; +} + +void +led_set (void) +{ + CLEAR (LED); + led = MS_TO_TICKS (200); +} + +void +led_tick (void) +{ + if (led) { + led--; + + if (!led) + led_clear(); + } + +} diff --git a/stm32/app/main.c b/stm32/app/main.c new file mode 100644 index 0000000..d834802 --- /dev/null +++ b/stm32/app/main.c @@ -0,0 +1,85 @@ +#include "project.h" + +#define WIGGLE GPIO4 +#define WIGGLE_PORT GPIOB + +int +main (void) +{ + unsigned cnt = 0; + + //nvic_set_priority_grouping(NVIC_PriorityGroup_4); + + /*set up pll */ + rcc_clock_setup_in_hse_8mhz_out_72mhz(); + + /*turn on clocks which aren't done elsewhere */ + rcc_periph_clock_enable (RCC_GPIOA); + rcc_periph_clock_enable (RCC_GPIOB); + rcc_periph_clock_enable (RCC_GPIOC); + rcc_periph_clock_enable (RCC_AFIO); + + + /*Adjust interrupt priorities so that taco trumps uarts trumps timer trumps dma */ + nvic_set_priority (TACHO_IRQ, 0x20); + nvic_set_priority (NVIC_USART1_IRQ, 0x40); + nvic_set_priority (NVIC_SYSTICK_IRQ, 0x60); + nvic_set_priority (NVIC_DMA1_CHANNEL6_IRQ, 0x80); + + /* Claw some pins pack */ + gpio_primary_remap (AFIO_MAPR_SWJ_CFG_JTAG_OFF_SW_ON, 0); + + dwt_enable_cycle_counter(); + + ticker_init(); + + + led_init(); + usart_init(); + i2cp_init(); + + printf ("Hello world\n"); + + led_set(); + tacho_init(); + + delay_ms (100); + + + oled1_init(); + oled2_init(); + + gauge_init(); + + + + font8x8_put_str (vram_1, "ABC fish soup!", 0, 0); + + MAP_OUTPUT_PP (WIGGLE); + + + for (;;) { + char buf[20]; + + sprintf (buf, "%6u rpm", (unsigned) raw_tacho); + font8x16_put_str (vram_1, buf, 30, 8); + + sprintf (buf, "%8d", cnt++); + font8x8_put_str (vram_1, buf, 0, 24); + + sprintf (buf, "%6d", cnt >> 4); + font21x32_put_str (vram_2, buf, 0); + + + if (cnt & 1) + SET (WIGGLE); + else + CLEAR (WIGGLE); + + + gauge_test(); + + } + + return 0; +} diff --git a/stm32/app/not/i2c_bb.c b/stm32/app/not/i2c_bb.c new file mode 100644 index 0000000..3076605 --- /dev/null +++ b/stm32/app/not/i2c_bb.c @@ -0,0 +1,164 @@ +#include "project.h" + +#define SCL GPIO6 +#define SDA GPIO7 + +static uint8_t +set (uint8_t sda, uint8_t scl) +{ + uint8_t ret; + if (sda) + gpio_set (GPIOB, SDA); + else + gpio_clear (GPIOB, SDA); + + if (scl) + gpio_set (GPIOB, SCL); + else + gpio_clear (GPIOB, SCL); + + delay_us (10); + ret = (gpio_get (GPIOB, SDA) & SDA) ? 1 : 0; + + return ret; +} + + + + +uint8_t +i2cb_send (uint8_t wot) +{ + uint8_t i; + + printf ("%02x", wot); + + for (i = 0; i < 8; ++i) + { + set (wot & 0x80, 0); + set (wot & 0x80, 1); + set (wot & 0x80, 0); + wot <<= 1; + } + set (1, 0); + i = set (1, 1); + set (1, 0); + + printf ("%c", i ? '!' : '.'); + return i; +} + +uint8_t +i2cb_send_addr (uint8_t addr, uint8_t rnw) +{ + return i2cb_send (addr << 1 | rnw); +} + +uint8_t +i2cb_read (uint8_t ack) +{ + uint8_t i, wot = 0; + + for (i = 0; i < 8; ++i) + { + wot <<= 1; + set (1, 0); + wot |= set (1, 1); + set (1, 0); + } + set (ack, 0); + set (ack, 1); + set (ack, 0); + return wot; +} + + +void +i2cb_start (void) +{ + printf ("S"); + set (1, 1); + set (0, 1); + set (0, 0); +} + +void +i2cb_stop (void) +{ + printf ("R\n"); + set (0, 0); + set (0, 1); + set (1, 1); +} + + +int +i2cb_start_transaction (uint8_t a, uint8_t rnw) +{ + i2cb_start (); + return i2cb_send_addr (a, rnw); + +} + + +void +i2cb_reset (void) +{ + i2cb_start (); + i2cb_stop (); + i2cb_start (); + i2cb_stop (); +} + + + +void +i2cb_scan (void) +{ + uint8_t r; + uint16_t i; + + i2cb_reset (); + + printf ("Probing bus\n"); + for (i = 0; i < 128; ++i) + { + i2cb_start (); + i2cb_stop (); + i2cb_start (); + r = i2cb_send ((i << 1) | I2C_WRITE); + i2cb_stop (); + + if (!r) + printf ("Found device at address 0x%x\n", i); + } + printf ("Done\n"); + i2cb_reset (); + +} + +void +i2cb_init (void) +{ + gpio_set_mode (GPIOB, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, + SCL); + gpio_set_mode (GPIOB, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN, + SDA); + + set (1, 1); +#ifdef DEBUG_I2C + printf ("T11 %d:%d\n", !!(SDA_IN_REG & SDA_VAL), !!(SCL_IN_REG & SCL_VAL)); +#endif + set (0, 1); +#ifdef DEBUG_I2C + printf ("T01 %d:%d\n", !!(SDA_IN_REG & SDA_VAL), !!(SCL_IN_REG & SCL_VAL)); +#endif + set (1, 0); +#ifdef DEBUG_I2C + printf ("T10 %d:%d\n", !!(SDA_IN_REG & SDA_VAL), !!(SCL_IN_REG & SCL_VAL)); +#endif + set (1, 1); +#ifdef DEBUG_I2C + printf ("T11 %d:%d\n", !!(SDA_IN_REG & SDA_VAL), !!(SCL_IN_REG & SCL_VAL)); +#endif +} diff --git a/stm32/app/not/lcd.c b/stm32/app/not/lcd.c new file mode 100644 index 0000000..d6ee5c7 --- /dev/null +++ b/stm32/app/not/lcd.c @@ -0,0 +1,477 @@ +#include "project.h" + + +#define PCF8574_I2C_ADDRESS 0x27 + +#define LINE_RS 0x1 +#define LINE_RnW 0x2 +#define LINE_EN 0x4 +#define LINE_BACKLIGHT 0x8 + +#define LCD_CLEAR 0x1 +#define LCD_HOME 0x2 + +#define LCD_DISP 0x8 +#define LCD_DISP_ON 0x4 +#define LCD_DISP_CURSOR 0x2 +#define LCD_DISP_CURSOR_BLINK 0x1 + +#define LCD_FUNC 0x20 +#define LCD_FUNC_8BIT 0x10 +#define LCD_FUNC_4BIT 0x00 +#define LCD_FUNC_2ROWS 0x08 +#define LCD_FUNC_1ROW 0x00 +#define LCD_FUNC_5x10 0x04 +#define LCD_FUNC_5X7 0x00 + +#define LCD_SET_DDRAM_ADDR 0x80 + +#define LCD_H_SHIFT 5 +#define LCD_RS (1 << LCD_H_SHIFT) +#define LCD_W 20 +#define LCD_W_MASK (LCD_RS -1 ) +#define LCD_H 4 +#define LCD_SZ (LCD_H << LCD_H_SHIFT) +#define LCD_POS(c,r) (((r) << LCD_H_SHIFT ) +(c)) + +#define BYTES_PER_BYTE 6 + +#define DMA_BUF_SZ (BYTES_PER_BYTE * ( (1 + LCD_W) *LCD_H + 1)) + +static uint8_t dma_buf[DMA_BUF_SZ]; +static uint8_t update_buf[DMA_BUF_SZ]; +static int dma_in_progress = 0; +static int refresh_enabled = 0; + +static int backlight; +static int pos; + +static void +clock_nibble (uint8_t n) +{ + if (backlight) + n |= LINE_BACKLIGHT; + i2cp_send(n); + i2cp_send(LINE_EN | n); + i2cp_send(n); +} + + +static void +write_reg (uint8_t c, int r) +{ + uint8_t b; + + b = c & 0xf0; + if (r) + b |= LINE_RS; + + clock_nibble (b); + + b = (c & 0xf) << 4; + if (r) + b |= LINE_RS; + + clock_nibble (b); +} + +static void +send_command (uint8_t c) +{ + write_reg (c, 0); +} + +static void +send_one_command (uint8_t cmd, int delay) +{ + while (i2c_lock ()); + i2cp_start_transaction (PCF8574_I2C_ADDRESS, I2C_WRITE); + send_command (cmd); + i2cp_stop (); + if (delay) + delay_ms (delay); + i2c_unlock (); +} + + + +static void +cls (void) +{ + send_one_command (LCD_CLEAR, 2); +} + +#if 0 +static void +home (void) +{ + send_one_command (LCD_HOME, 2); +} +#endif + +static void +on (void) +{ + send_one_command (LCD_DISP | LCD_DISP_ON /* | LCD_DISP_CURSOR */ , 4); +} + +static void +off (void) +{ + send_one_command (LCD_DISP, 4); +} + +static int +lcd_addr (int x, int y) +{ + return x + ((y & 1) << 6) + ((y & 2) ? 20 : 0); +} + + +#if 0 +static void +move (uint8_t c, uint8_t r) +{ + send_one_command (LCD_SET_DDRAM_ADDR | lcd_addr (c, r), 2); +} +#endif + + +uint32_t refresh_wdt = 0; + +static void +start_dma (void) +{ + if (dma_in_progress) + return; + + refresh_wdt = 0; + + dma_in_progress = 1; + + memcpy (dma_buf, update_buf, DMA_BUF_SZ); + i2cp_start_transaction (PCF8574_I2C_ADDRESS, I2C_WRITE); + i2cp_start_dma (dma_buf, DMA_BUF_SZ); + +} + +void +dma1_channel6_isr (void) +{ + if (dma_in_progress) + { + i2cp_stop_dma (); + + i2cp_stop (); + dma_in_progress = 0; + } + + if (refresh_enabled) + start_dma (); +} + +void +lcd_refresh_wdt (void) +{ + refresh_wdt++; + + if (refresh_wdt < 1000) + return; + + refresh_wdt = 0; + +/*No refresh for 1s, restart everything */ + + i2cp_stop_dma (); + i2cp_stop (); + dma_in_progress = 0; + + start_dma (); + +} + +static inline void +dma_clock_nibble (uint8_t * ptr, uint8_t n) +{ + if (backlight) + n |= LINE_BACKLIGHT; + *(ptr++) = n; + *(ptr++) = n | LINE_EN; + *(ptr++) = n; +} + + +static inline int +dma_write_reg (uint8_t * ptr, uint8_t c, int r) +{ + uint8_t b; + + b = c & 0xf0; + if (r) + b |= LINE_RS; + + dma_clock_nibble (ptr, b); + ptr += 3; + + b = (c & 0xf) << 4; + if (r) + b |= LINE_RS; + + dma_clock_nibble (ptr, b); + + return 6; +} + +static inline int +dma_command (uint8_t * ptr, uint8_t c) +{ + return dma_write_reg (ptr, c, 0); +} + +static inline int +dma_data (uint8_t * ptr, uint8_t c) +{ + return dma_write_reg (ptr, c, 1); +} + + +static void +dma_generate_stream (void) +{ + uint8_t *dma_ptr; + int x, y, i; + + dma_ptr = update_buf; +/* 6 bytes per character, 6 bytes to move position, 5 moves + 20*4 chars => 510*/ + + for (y = 0; y < LCD_H; ++y) + { + + dma_ptr += dma_command (dma_ptr, LCD_SET_DDRAM_ADDR | lcd_addr (0, y)); + + i = y << LCD_H_SHIFT; + + for (x = 0; x < LCD_W; ++x, i++) + { + dma_ptr += dma_data (dma_ptr, ' '); + } + } + + dma_ptr += dma_command (dma_ptr, LCD_SET_DDRAM_ADDR | + lcd_addr (pos & LCD_W_MASK, pos >> LCD_H_SHIFT)); + +} + + +static void +dma_change_backlight (void) +{ + int len = DMA_BUF_SZ; + uint8_t *p = update_buf; + + cm_disable_interrupts (); + + if (backlight) + while (p++, len--) + *p |= LINE_BACKLIGHT; + else + while (p++, len--) + *p &= ~LINE_BACKLIGHT; + + cm_enable_interrupts (); +} + + +static int +dma_offset (int x, int y) +{ + return BYTES_PER_BYTE * (1 + x + y * (LCD_W + 1)); +} + + + +static void +_lcd_write_char (uint8_t c, int x, int y) +{ + cm_disable_interrupts (); + dma_data (update_buf + dma_offset (x, y), c); + cm_enable_interrupts (); +} + + +void +lcd_write_char (uint8_t c, int x, int y) +{ + cm_disable_interrupts (); + _lcd_write_char (c, x, y); + cm_enable_interrupts (); +} + + +void +lcd_erase (int x, int y, int w) +{ + uint8_t *dma_ptr = update_buf + dma_offset (x, y); + cm_disable_interrupts (); + while (w--) + dma_ptr += dma_data (dma_ptr, ' '); + cm_enable_interrupts (); +} + +void +lcd_erase_line (int w, int y) +{ + lcd_erase (0, y, w); +} + +void +lcd_erase_all (void) +{ + int y; + for (y = 0; y < LCD_H; ++y) + { + lcd_erase (0, 0, LCD_W); + } +} + +void +lcd_write (char *c, int x, int y) +{ + cm_disable_interrupts (); + while (*c) + { + _lcd_write_char (*(c++), x++, y); + if (x == LCD_W) + break; + } + cm_enable_interrupts (); +} + +#if 0 +static void +lcd_scroll (uint8_t * p) +{ + int i; + for (i = 0; i < 3; ++i) + { + memcpy (p, p + LCD_RS, LCD_W); + p += LCD_RS; + } + memset (p, ' ', LCD_W); +} + +void +lcd_putc (uint8_t c) +{ + + switch (c) + { + case '\r': + pos &= ~LCD_W_MASK; + break; + case '\n': + pos &= ~LCD_W_MASK; + pos += LCD_RS; + break; + default: + buf[pos] = c; + pos++; + } + + + if ((pos & LCD_W_MASK) == LCD_W) + { + pos &= ~LCD_W_MASK; + pos += LCD_RS; + } + + if (pos == LCD_SZ) + { + lcd_scroll (buf); + pos -= LCD_RS; + } + + +} +#endif + + +void +lcd_backlight (int i) +{ + backlight = i; + + dma_change_backlight (); + + if (refresh_enabled) + return; + + while (i2c_lock ()); + i2cp_start_transaction (PCF8574_I2C_ADDRESS, I2C_WRITE); + i2cp_send(backlight ? LINE_BACKLIGHT : 0); + i2cp_stop (); + i2c_unlock (); +} + + + + + +void +lcd_enable_refresh (void) +{ + refresh_enabled = 1; + start_dma (); +} + + +void +lcd_disable_refresh (void) +{ + refresh_enabled = 0; + while (dma_in_progress); +} + + + +void +lcd_reset (void) +{ + while (i2c_lock ()); + i2cp_start_transaction (PCF8574_I2C_ADDRESS, I2C_WRITE); + clock_nibble (0x30); + delay_ms (5); + clock_nibble (0x30); + delay_us (64); + clock_nibble (0x30); + delay_us (64); + clock_nibble (0x20); + + send_command (LCD_FUNC | LCD_FUNC_4BIT | LCD_FUNC_2ROWS | LCD_FUNC_5X7); + i2cp_stop (); + i2c_unlock (); + + on (); + cls (); +} + +void +lcd_init (void) +{ + lcd_backlight (0); + lcd_reset (); + lcd_backlight (1); + + dma_generate_stream (); + + nvic_enable_irq (NVIC_DMA1_CHANNEL6_IRQ); + lcd_enable_refresh (); +} + +void +lcd_shutdown (void) +{ + lcd_disable_refresh (); + lcd_backlight (0); + off (); +} diff --git a/stm32/app/oled.c b/stm32/app/oled.c new file mode 100644 index 0000000..983fe9a --- /dev/null +++ b/stm32/app/oled.c @@ -0,0 +1,190 @@ +#include "project.h" + + +int +ssd1306_cmds (uint32_t i2c, uint8_t *buf, size_t len, int delay) +{ + + int ret = -1; + + while (i2c_lock()); + + do { + + if (i2cp_start_transaction (i2c, SSD1306_I2C_ADDRESS, I2C_WRITE)) + break; + + if (i2cp_send (i2c, SSD1306_COMMAND)) + break; + + while (len--) + if (i2cp_send (i2c, * (buf++))) + break; + + i2cp_stop (i2c); + + if (delay) + delay_us (delay); + + ret = 0; + } while (0); + + i2c_unlock(); + + + return ret; +} + +int +ssd1306_cmd (uint32_t i2c, uint8_t cmd, int delay) +{ + return ssd1306_cmds (i2c, &cmd, 1, delay); +} + + + +void +oled_generate_stream (uint8_t *vram) +{ + memset (vram, 0, DMA_BUF_SZ); + vram[0] = SSD1306_DATA_CONTINUE; +} + + + + +void +oled_cls (uint8_t *vram) +{ + memset (vram + 1, 0, SSD1306_VRAM_SIZE); +} + + +void +oled_on (uint32_t i2c) +{ + ssd1306_cmd (i2c, SSD1306_DISPLAY_ON, 0); + +} + + +void +oled_off (uint32_t i2c) +{ + ssd1306_cmd (i2c, SSD1306_DISPLAY_OFF, 0); +} + + + +#if 0 +void +oled_squirt (void) +{ + unsigned i; + uint8_t cmds[] = { + SSD1306_SET_PAGE_ADDR, 0, 0xff, + SSD1306_SET_COLUMN_ADDR, 0, SSD1306_WIDTH - 1 + }; + + ssd1306_cmds (cmds, sizeof (cmds), 0); + + + while (i2c_lock()); + + i2cp_start_transaction (SSD1306_I2C_ADDRESS, I2C_WRITE); + + for (i = 0; i < DMA_BUF_SZ; ++i) + i2cp_send (update_buf[i]); + + i2cp_stop(); + + i2c_unlock(); +} +#endif + +void +oled_reset (uint32_t i2c) +{ + uint8_t init[] = { + SSD1306_DISPLAY_OFF, + SSD1306_SET_DISPLAY_CLOCK_DIV_RATIO, 0x80, + SSD1306_SET_MULTIPLEX_RATIO, SSD1306_HEIGHT - 1, + SSD1306_SET_DISPLAY_OFFSET, 0x0, + SSD1306_SET_START_LINE | 0x0, + SSD1306_CHARGE_PUMP, 0x14, + SSD1306_MEMORY_ADDR_MODE, 0x00, + SSD1306_SET_SEGMENT_REMAP | 0x1, + SSD1306_COM_SCAN_DIR_DEC, + //SSD1306_SET_COM_PINS, 0x12, + SSD1306_SET_COM_PINS, 0x02, + //SSD1306_SET_CONTRAST_CONTROL, 0xCF, + SSD1306_SET_CONTRAST_CONTROL, 0x8F, + SSD1306_SET_PRECHARGE_PERIOD, 0xF1, + SSD1306_SET_VCOM_DESELECT, 0x40, + SSD1306_DISPLAY_ALL_ON_RESUME, + SSD1306_NORMAL_DISPLAY, + SSD1306_DISPLAY_ON, + }; + + ssd1306_cmds (i2c, init, sizeof (init), 0); +} + + +void +oled_const_strip (uint8_t *vram, int x, int xe, uint8_t and, uint8_t or) +{ + uint8_t r; + + for (x++; x <= xe; ++x) { + r = vram[x] & and; + vram[x] = r | or; + } +} + + +void +oled_blit_strip (uint8_t *vram, int x, int xe, uint8_t mask, int shift, + const uint8_t *src) +{ + uint8_t r, s; + + while (x < 0) { + x++; + src++; + }; + + if (xe < 0) xe = 0; + + if (x > SSD1306_VRAM_SIZE) xe = SSD1306_VRAM_SIZE; + + if (xe > SSD1306_VRAM_SIZE) xe = SSD1306_VRAM_SIZE; + + + if (shift > 0) { + for (x++; x <= xe; ++x) { + s = * (src++); + s <<= shift; + s &= mask; + r = vram[x] & ~mask; + vram[x] = r | s; + + } + } else if (shift < 0) { + shift = -shift; + + for (x++; x <= xe; ++x) { + s = * (src++); + s >>= shift; + s &= mask; + r = vram[x] & ~mask; + vram[x] = r | s; + } + } else { + for (x++; x <= xe; ++x) { + s = * (src++); + s &= mask; + r = vram[x] & ~mask; + vram[x] = r | s; + } + } +} diff --git a/stm32/app/oled.h b/stm32/app/oled.h new file mode 100644 index 0000000..0786981 --- /dev/null +++ b/stm32/app/oled.h @@ -0,0 +1,49 @@ + +#define SSD1306_I2C_ADDRESS 0x3C + +#define SSD1306_COMMAND 0x00 +#define SSD1306_DATA 0xC0 +#define SSD1306_DATA_CONTINUE 0x40 + +#define SSD1306_SET_CONTRAST_CONTROL 0x81 +#define SSD1306_DISPLAY_ALL_ON_RESUME 0xA4 +#define SSD1306_DISPLAY_ALL_ON 0xA5 +#define SSD1306_NORMAL_DISPLAY 0xA6 +#define SSD1306_INVERT_DISPLAY 0xA7 +#define SSD1306_DISPLAY_OFF 0xAE +#define SSD1306_DISPLAY_ON 0xAF +#define SSD1306_NOP 0xE3 + +#define SSD1306_HORIZONTAL_SCROLL_RIGHT 0x26 +#define SSD1306_HORIZONTAL_SCROLL_LEFT 0x27 +#define SSD1306_HORIZONTAL_SCROLL_VERTICAL_AND_RIGHT 0x29 +#define SSD1306_HORIZONTAL_SCROLL_VERTICAL_AND_LEFT 0x2A +#define SSD1306_DEACTIVATE_SCROLL 0x2E +#define SSD1306_ACTIVATE_SCROLL 0x2F +#define SSD1306_SET_VERTICAL_SCROLL_AREA 0xA3 + +#define SSD1306_SET_LOWER_COLUMN 0x00 +#define SSD1306_SET_HIGHER_COLUMN 0x10 +#define SSD1306_MEMORY_ADDR_MODE 0x20 +#define SSD1306_SET_COLUMN_ADDR 0x21 +#define SSD1306_SET_PAGE_ADDR 0x22 + +#define SSD1306_SET_START_LINE 0x40 +#define SSD1306_SET_SEGMENT_REMAP 0xA0 +#define SSD1306_SET_MULTIPLEX_RATIO 0xA8 +#define SSD1306_COM_SCAN_DIR_INC 0xC0 +#define SSD1306_COM_SCAN_DIR_DEC 0xC8 +#define SSD1306_SET_DISPLAY_OFFSET 0xD3 +#define SSD1306_SET_COM_PINS 0xDA +#define SSD1306_CHARGE_PUMP 0x8D + +#define SSD1306_SET_DISPLAY_CLOCK_DIV_RATIO 0xD5 +#define SSD1306_SET_PRECHARGE_PERIOD 0xD9 +#define SSD1306_SET_VCOM_DESELECT 0xDB + +#define SSD1306_WIDTH 128 +#define SSD1306_HEIGHT 32 + +#define SSD1306_VRAM_SIZE (SSD1306_WIDTH * ((SSD1306_HEIGHT + 7) >> 3)) + +#define DMA_BUF_SZ (2 + (SSD1306_VRAM_SIZE)) diff --git a/stm32/app/oled1.c b/stm32/app/oled1.c new file mode 100644 index 0000000..0798568 --- /dev/null +++ b/stm32/app/oled1.c @@ -0,0 +1,124 @@ +#include "project.h" + + +static uint8_t dma_buf[DMA_BUF_SZ]; +uint8_t vram_1[DMA_BUF_SZ]; + +static int dma_in_progress = 0; +static int refresh_enabled = 0; +static uint32_t refresh_wdt = 0; +static int oled_sad = 0; + + +static void +start_dma (void) +{ + uint8_t cmds[] = { + SSD1306_SET_PAGE_ADDR, 0, 0xff, + SSD1306_SET_COLUMN_ADDR, 0, SSD1306_WIDTH - 1 + }; + + if (dma_in_progress) + return; + + + memcpy (dma_buf, vram_1, DMA_BUF_SZ); + + if (ssd1306_cmds (I2C1, cmds, sizeof (cmds), 0)) { + oled_sad++; + return; + } + + if (i2cp_start_transaction (I2C1, SSD1306_I2C_ADDRESS, I2C_WRITE)) { + oled_sad++; + return; + } + + refresh_wdt = 0; + dma_in_progress = 1; + + i2cp1_start_dma (dma_buf, DMA_BUF_SZ); +} + + + +void +dma1_channel6_isr (void) +{ + if (dma_in_progress) { + i2cp1_stop_dma(); + + i2cp_stop (I2C1); + dma_in_progress = 0; + } + + if (refresh_enabled) + start_dma(); +} + +void +oled1_ticker (void) +{ + if (!refresh_enabled) + return; + + refresh_wdt++; + + if ((refresh_wdt < MS_TO_TICKS (1000)) && (!oled_sad)) + return; + + refresh_wdt = 0; + + /*No refresh for 1s, restart everything */ + + i2cp1_stop_dma(); + i2cp_stop (I2C1); + dma_in_progress = 0; + + if (oled_sad) { + oled_sad = 0; + i2cp1_reset_sm(); + } + + start_dma(); + +} + +void +oled1_enable_refresh (void) +{ + refresh_enabled = 1; + start_dma(); +} + + +void +oled1_disable_refresh (void) +{ + refresh_enabled = 0; + + while (dma_in_progress); +} + + + +void +oled1_init (void) +{ + oled_reset (I2C1); + + delay_us (100); + + oled_generate_stream (vram_1); + + nvic_enable_irq (NVIC_DMA1_CHANNEL6_IRQ); + oled1_enable_refresh(); +} + + +void +oled1_shutdown (void) +{ + oled1_disable_refresh(); + oled_off (I2C1); +} diff --git a/stm32/app/oled2.c b/stm32/app/oled2.c new file mode 100644 index 0000000..bccb4ba --- /dev/null +++ b/stm32/app/oled2.c @@ -0,0 +1,124 @@ +#include "project.h" + + +static uint8_t dma_buf[DMA_BUF_SZ]; +uint8_t vram_2[DMA_BUF_SZ]; + +static int dma_in_progress = 0; +static int refresh_enabled = 0; +static uint32_t refresh_wdt = 0; +static int oled_sad = 0; + + +static void +start_dma (void) +{ + uint8_t cmds[] = { + SSD1306_SET_PAGE_ADDR, 0, 0xff, + SSD1306_SET_COLUMN_ADDR, 0, SSD1306_WIDTH - 1 + }; + + if (dma_in_progress) + return; + + + memcpy (dma_buf, vram_2, DMA_BUF_SZ); + + if (ssd1306_cmds (I2C2, cmds, sizeof (cmds), 0)) { + oled_sad++; + return; + } + + if (i2cp_start_transaction (I2C2, SSD1306_I2C_ADDRESS, I2C_WRITE)) { + oled_sad++; + return; + } + + refresh_wdt = 0; + dma_in_progress = 1; + + i2cp2_start_dma (dma_buf, DMA_BUF_SZ); +} + + + +void +dma1_channel4_isr (void) +{ + if (dma_in_progress) { + i2cp2_stop_dma(); + + i2cp_stop (I2C2); + dma_in_progress = 0; + } + + if (refresh_enabled) + start_dma(); +} + +void +oled2_ticker (void) +{ + if (!refresh_enabled) + return; + + refresh_wdt++; + + if ((refresh_wdt < MS_TO_TICKS (1000)) && (!oled_sad)) + return; + + refresh_wdt = 0; + + /*No refresh for 1s, restart everything */ + + i2cp2_stop_dma(); + i2cp_stop (I2C2); + dma_in_progress = 0; + + if (oled_sad) { + oled_sad = 0; + i2cp2_reset_sm(); + } + + start_dma(); + +} + +void +oled2_enable_refresh (void) +{ + refresh_enabled = 1; + start_dma(); +} + + +void +oled2_disable_refresh (void) +{ + refresh_enabled = 0; + + while (dma_in_progress); +} + + + +void +oled2_init (void) +{ + oled_reset (I2C2); + + delay_us (100); + + oled_generate_stream (vram_2); + + nvic_enable_irq (NVIC_DMA1_CHANNEL4_IRQ); + oled2_enable_refresh(); +} + + +void +oled2_shutdown (void) +{ + oled2_disable_refresh(); + oled_off (I2C2); +} diff --git a/stm32/app/pins.h b/stm32/app/pins.h new file mode 100644 index 0000000..a29e48f --- /dev/null +++ b/stm32/app/pins.h @@ -0,0 +1,55 @@ +#ifndef _PINS_H_ +#define _PINS_H_ + +/* st seem to change these with every chip revision */ + +#define MAP_AF_PP(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, a ); \ + } while (0) + +#define MAP_AF(a) MAP_AF_PP(a) + +/* STM32F1 doesn't have AF pull up, but also doesn't disconnect af inputs so just use regular pull up */ +#define MAP_AF_PU(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, a); \ + gpio_set( a ## _PORT, a); \ + } while (0) + +#define MAP_AF_OD(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_ALTFN_OPENDRAIN, a ); \ + } while (0) + + +#define MAP_OUTPUT_PP(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, a ); \ + } while (0) + + +#define MAP_OUTPUT_OD(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN, a ); \ + } while (0) + + +/* STM32F1 madly uses the output register to drive the other end of the resistor, so pull up */ +/* requires us to write a 1 there */ + +#define MAP_INPUT_PU(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, a); \ + gpio_set( a ## _PORT, a); \ + } while (0) + + +#define MAP_INPUT(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, a); \ + } while (0) + +#define MAP_ANALOG(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_INPUT, GPIO_CNF_INPUT_ANALOG, a); \ + } while (0) + + +#define CLEAR(a) gpio_clear( a ## _PORT, a) +#define SET(a) gpio_set( a ## _PORT, a) +#define GET(a) gpio_get( a ## _PORT, a) + +#endif diff --git a/stm32/app/project.h b/stm32/app/project.h new file mode 100644 index 0000000..8c729d8 --- /dev/null +++ b/stm32/app/project.h @@ -0,0 +1,42 @@ +#include <stdlib.h> +#include <string.h> +#include <strings.h> +#include <libopencm3/stm32/rcc.h> +#include <libopencm3/stm32/gpio.h> +#include <libopencm3/stm32/usart.h> +#include <libopencm3/stm32/dma.h> +#include <libopencm3/stm32/i2c.h> +#include <libopencm3/stm32/adc.h> +#include <libopencm3/stm32/exti.h> +#include <libopencm3/cm3/systick.h> +#include <libopencm3/cm3/nvic.h> +#include <libopencm3/cm3/cortex.h> +#include <libopencm3/cm3/scb.h> +#include <libopencm3/cm3/dwt.h> + +#include <stdio.h> +#include <errno.h> + +#define TICK_BASE 9000 +#define TICK_DIV 12000 +#define TICKS_TO_US(a) (((a)*TICK_DIV*1000)/TICK_BASE) +#define MS_TO_TICKS(a) (((a)*1000)/TICKS_TO_US(1)) + +#include "pins.h" + +#include "i2c.h" + +#include "oled.h" + +#include "ring.h" +#include "tacho.h" + + +#define US(a) (72*(a)) +#define MS(a) (US(a) * 1000 ) +#define HZ(a) (MS(a) * 1000) + + +#define T do { printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__); } while (0) + +#include "prototypes.h" diff --git a/stm32/app/prototypes.h b/stm32/app/prototypes.h new file mode 100644 index 0000000..4649eb3 --- /dev/null +++ b/stm32/app/prototypes.h @@ -0,0 +1,92 @@ +/* main.c */ +extern int main(void); +/* led.c */ +extern void led_init(void); +extern void led_clear(void); +extern void led_set(void); +extern void led_tick(void); +/* i2c.c */ +extern int i2c_lock(void); +extern void i2c_unlock(void); +/* usart.c */ +extern ring_t rx1_ring; +extern ring_t tx1_ring; +extern void usart1_isr(void); +extern int _write(int file, char *ptr, int len); +extern void usart1_queue(uint8_t d); +extern void usart1_drain(void); +extern void usart_init(void); +/* ring.c */ +extern void ring_init(ring_t *r, uint8_t *buf, size_t len); +extern int ring_write_byte(ring_t *r, uint8_t c); +extern int ring_read_byte(ring_t *r, uint8_t *c); +extern int ring_write(ring_t *r, uint8_t *buf, size_t len); +extern int ring_empty(ring_t *r); +/* ticker.c */ +extern void delay_us(uint32_t d); +extern void sys_tick_handler(void); +extern void delay_ms(uint32_t d); +extern void ticker_init(void); +/* oled.c */ +extern int ssd1306_cmds(uint32_t i2c, uint8_t *buf, size_t len, int delay); +extern int ssd1306_cmd(uint32_t i2c, uint8_t cmd, int delay); +extern void oled_generate_stream(uint8_t *vram); +extern void oled_cls(uint8_t *vram); +extern void oled_on(uint32_t i2c); +extern void oled_off(uint32_t i2c); +extern void oled_reset(uint32_t i2c); +extern void oled_const_strip(uint8_t *vram, int x, int xe, uint8_t and, uint8_t or); +extern void oled_blit_strip(uint8_t *vram, int x, int xe, uint8_t mask, int shift, const uint8_t *src); +/* i2c_hw.c */ +extern void i2c_clear_start(uint32_t i2c); +extern int i2cp_start(uint32_t i2c); +extern void i2cp_abort_start(uint32_t i2c); +extern void i2cp_stop(uint32_t i2c); +extern void i2cp_abort_stop(uint32_t i2c); +extern int i2cp_send(uint32_t i2c, uint8_t v); +extern int i2cp_start_transaction(uint32_t i2c, uint8_t a, int wnr); +extern void i2cp1_reset_sm(void); +extern void i2cp2_reset_sm(void); +extern void i2cp1_start_dma(uint8_t *buf, int len); +extern void i2cp2_start_dma(uint8_t *buf, int len); +extern int i2cp1_dma_in_progress(void); +extern int i2cp2_dma_in_progress(void); +extern void i2cp1_stop_dma(void); +extern void i2cp2_stop_dma(void); +extern void i2cp_reset(uint32_t i2c); +extern void i2cp_scan(uint32_t i2c); +extern void i2cp_init(void); +/* font8x8.c */ +extern void font8x8_put_ch(uint8_t *vram, unsigned ch, unsigned x, unsigned y); +extern void font8x8_put_str(uint8_t *vram, char *str, unsigned x, unsigned y); +/* font8x16.c */ +extern void font8x16_put_ch(uint8_t *vram, unsigned ch, unsigned x, unsigned y); +extern void font8x16_put_str(uint8_t *vram, char *str, unsigned x, unsigned y); +/* tacho.c */ +extern uint32_t raw_tacho; +extern void exti3_isr(void); +extern void tacho_init(void); +/* oled1.c */ +extern uint8_t vram_1[(2 + ((128 * ((32 + 7) >> 3))))]; +extern void dma1_channel6_isr(void); +extern void oled1_ticker(void); +extern void oled1_enable_refresh(void); +extern void oled1_disable_refresh(void); +extern void oled1_init(void); +extern void oled1_shutdown(void); +/* oled2.c */ +extern uint8_t vram_2[(2 + ((128 * ((32 + 7) >> 3))))]; +extern void dma1_channel4_isr(void); +extern void oled2_ticker(void); +extern void oled2_enable_refresh(void); +extern void oled2_disable_refresh(void); +extern void oled2_init(void); +extern void oled2_shutdown(void); +/* font21x32.c */ +extern void font21x32_put_ch(uint8_t *vram, unsigned ch, unsigned x); +extern void font21x32_put_str(uint8_t *vram, char *str, unsigned x); +/* gauge.c */ +extern int gauge_target; +extern void gauge_ticker(void); +extern void gauge_test(void); +extern void gauge_init(void); diff --git a/stm32/app/ring.c b/stm32/app/ring.c new file mode 100644 index 0000000..c1d1803 --- /dev/null +++ b/stm32/app/ring.c @@ -0,0 +1,69 @@ +#include "project.h" + + +static inline size_t +ring_next (ring_t *r, size_t p) +{ + p++; + + if (p >= r->size) + p -= r->size; + + return p; +} + +void +ring_init (ring_t *r, uint8_t *buf, size_t len) +{ + r->data = buf; + r->size = len; + r->write = 0; + r->read = 0; +} + +int +ring_write_byte (ring_t *r, uint8_t c) +{ + size_t n = ring_next (r, r->write); + + if (n == r->read) + return -1; + + r->data[r->write] = c; + + r->write = n; + + return 0; +} + + +int +ring_read_byte (ring_t *r, uint8_t *c) +{ + size_t n = ring_next (r, r->read); + + if (r->read == r->write) + return -1; + + *c = r->data[r->read]; + r->read = n; + + return 0; +} + +int +ring_write (ring_t *r, uint8_t *buf, size_t len) +{ + while (len--) { + if (ring_write_byte (r, * (buf++))) + return -1; + } + + return 0; +} + +int +ring_empty (ring_t *r) +{ + return (r->read == r->write) ? 1 : 0; +} diff --git a/stm32/app/ring.h b/stm32/app/ring.h new file mode 100644 index 0000000..1eae65b --- /dev/null +++ b/stm32/app/ring.h @@ -0,0 +1,6 @@ +typedef struct ring { + uint8_t *data; + size_t size; + size_t write; + size_t read; +} ring_t; diff --git a/stm32/app/speedo.ld b/stm32/app/speedo.ld new file mode 100644 index 0000000..0fb2378 --- /dev/null +++ b/stm32/app/speedo.ld @@ -0,0 +1,38 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de> + * + * This library is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library. If not, see <http://www.gnu.org/licenses/>. + */ + +/* Linker script for Olimex STM32-H103 (STM32F103RBT6, 128K flash, 20K RAM). */ + +/* Define memory regions. */ +MEMORY +{ + rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K +} + +/* Include the common ld script. */ +INCLUDE libopencm3_stm32f1.ld + + + + +/* PROVIDE(_stack = dfu_shared_location ); */ + + + diff --git a/stm32/app/tacho.c b/stm32/app/tacho.c new file mode 100644 index 0000000..bf0222c --- /dev/null +++ b/stm32/app/tacho.c @@ -0,0 +1,66 @@ +#include "project.h" + +#define SPURIOUS MS(10) /*Anything faster than 6000rpm is a false trigger */ + + + +uint32_t raw_tacho; + +static uint32_t +cycle_diff (uint32_t a, uint32_t b) +{ + return b - a; +} + + + +void +TACHO_ISR (void) +{ + uint32_t now, diff; + static uint32_t last_edge; + + if (! (EXTI_PR & TACHO)) + return; + + EXTI_PR = TACHO; + + now = dwt_read_cycle_counter(); + + diff = cycle_diff (last_edge, now); + + if (diff < SPURIOUS) + return; + + last_edge = now; + + + /* Want RPM, diff is in units of 1/72 us */ + + if (!diff) + return; + + /* uint32_t is un-able to express 60s in clock ticks, so divide everything by 2 */ + + diff >>= 1; + + + + raw_tacho = (US ((60U * 1000000) / 2)) / diff; + +} + + +void +tacho_init (void) +{ + MAP_INPUT_PU (TACHO); + + exti_select_source (TACHO, TACHO_PORT); + exti_set_trigger (TACHO, EXTI_TRIGGER_FALLING); + exti_enable_request (TACHO); + exti_reset_request (TACHO); + + nvic_enable_irq (TACHO_IRQ); + +} diff --git a/stm32/app/tacho.h b/stm32/app/tacho.h new file mode 100644 index 0000000..a044ae7 --- /dev/null +++ b/stm32/app/tacho.h @@ -0,0 +1,5 @@ + +#define TACHO_IRQ NVIC_EXTI3_IRQ +#define TACHO GPIO3 +#define TACHO_PORT GPIOB +#define TACHO_ISR exti3_isr diff --git a/stm32/app/ticker.c b/stm32/app/ticker.c new file mode 100644 index 0000000..eb7dfe5 --- /dev/null +++ b/stm32/app/ticker.c @@ -0,0 +1,75 @@ +#include "project.h" + + + + +static volatile uint32_t ticks; +static volatile uint32_t delay_ms_count; +static uint32_t scale = 7; + + +void +delay_us (uint32_t d) +{ + d *= scale; + + while (d--) + __asm__ ("nop"); +} + + +void +sys_tick_handler (void) +{ + if (delay_ms_count) + delay_ms_count--; + + + led_tick(); + oled1_ticker(); + oled2_ticker(); + gauge_ticker(); + + ticks++; +} + + +void +delay_ms (uint32_t d) +{ + delay_ms_count = MS_TO_TICKS (d); + + while (delay_ms_count); +} + + +void +ticker_init (void) +{ + uint32_t v, w; + + /*Start periodic timer */ + + systick_set_clocksource (STK_CSR_CLKSOURCE_AHB_DIV8); + /* 72MHz / 8 = > 9Mhz */ + systick_set_reload (TICK_DIV); + systick_interrupt_enable(); + systick_counter_enable(); + + /*Calibrate the delay loop */ + + + do { + scale--; + v = ticks; + + while (v == ticks); + + delay_us (TICKS_TO_US (1)); + w = ticks; + v++; + w -= v; + } while (w); + + +} diff --git a/stm32/app/usart.c b/stm32/app/usart.c new file mode 100644 index 0000000..8d98287 --- /dev/null +++ b/stm32/app/usart.c @@ -0,0 +1,119 @@ +#include "project.h" + +#define BUFFER_SIZE 256 + + +#define USART1_TX GPIO_USART1_TX +#define USART1_TX_PORT GPIOA +#define USART1_RX GPIO_USART1_RX +#define USART1_RX_PORT GPIOA + + +ring_t rx1_ring; +static uint8_t rx1_ring_buf[BUFFER_SIZE]; + +ring_t tx1_ring; +static uint8_t tx1_ring_buf[BUFFER_SIZE]; + +void +usart1_isr (void) +{ + uint8_t data; + + /* Check if we were called because of RXNE. */ + if (((USART_CR1 (USART1) & USART_CR1_RXNEIE) != 0) && + ((USART_SR (USART1) & USART_SR_RXNE) != 0)) { + + /* Retrieve the data from the peripheral. */ + data = usart_recv (USART1); + + + ring_write_byte (&rx1_ring, data); + } + + /* Check if we were called because of TXE. */ + if (((USART_CR1 (USART1) & USART_CR1_TXEIE) != 0) && + ((USART_SR (USART1) & USART_SR_TXE) != 0)) { + + if (ring_read_byte (&tx1_ring, &data)) { + /*No more data, Disable the TXE interrupt, it's no longer needed. */ + USART_CR1 (USART1) &= ~USART_CR1_TXEIE; + } else + usart_send (USART1, data); + } + +} + + +int +_write (int file, char *ptr, int len) +{ + int ret; + + if (file == 1) { + ret = len; + + usart1_drain(); + + while (len--) { + if (*ptr == '\n') + ring_write_byte (&tx1_ring, '\r'); + + ring_write_byte (&tx1_ring, * (ptr++)); + } + + USART_CR1 (USART1) |= USART_CR1_TXEIE; + return ret; + } + + errno = EIO; + return -1; +} + +void +usart1_queue (uint8_t d) +{ + ring_write_byte (&tx1_ring, d); + USART_CR1 (USART1) |= USART_CR1_TXEIE; +} + + +void +usart1_drain (void) +{ + while (!ring_empty (&tx1_ring)); +} + + + +void +usart_init (void) +{ + rcc_periph_clock_enable (RCC_USART1); + + ring_init (&rx1_ring, rx1_ring_buf, sizeof (rx1_ring_buf)); + ring_init (&tx1_ring, tx1_ring_buf, sizeof (tx1_ring_buf)); + + /* Enable the USART1,2 interrupt. */ + nvic_enable_irq (NVIC_USART1_IRQ); + + /* Map pins, and usart1 to have pull ups */ + MAP_AF_PP (USART1_TX); + MAP_INPUT_PU (USART1_RX); + + + /* Setup UART1 parameters. */ + usart_set_baudrate (USART1, 115200); + usart_set_databits (USART1, 8); + usart_set_stopbits (USART1, USART_STOPBITS_1); + usart_set_parity (USART1, USART_PARITY_NONE); + usart_set_flow_control (USART1, USART_FLOWCONTROL_NONE); + usart_set_mode (USART1, USART_MODE_TX_RX); + + + /* Enable USART1 Receive interrupt. */ + USART_CR1 (USART1) |= USART_CR1_RXNEIE; + + /* Finally enable the USARTs. */ + usart_enable (USART1); +} diff --git a/stm32/doc/cs32g103.pdf b/stm32/doc/cs32g103.pdf Binary files differnew file mode 100644 index 0000000..a4d994b --- /dev/null +++ b/stm32/doc/cs32g103.pdf diff --git a/stm32/doc/rm0008.pdf b/stm32/doc/rm0008.pdf Binary files differnew file mode 100644 index 0000000..8f3d0e1 --- /dev/null +++ b/stm32/doc/rm0008.pdf diff --git a/stm32/doc/stm32f103c8.pdf b/stm32/doc/stm32f103c8.pdf Binary files differnew file mode 100644 index 0000000..2723cee --- /dev/null +++ b/stm32/doc/stm32f103c8.pdf diff --git a/stm32/doc/stm32f103c8t6_pinout_voltage01.png b/stm32/doc/stm32f103c8t6_pinout_voltage01.png Binary files differnew file mode 100644 index 0000000..2c22a74 --- /dev/null +++ b/stm32/doc/stm32f103c8t6_pinout_voltage01.png diff --git a/stm32/libopencm3 b/stm32/libopencm3 new file mode 160000 +Subproject 5c73d601763dd140bff020be8d6d06f03c2bea7 |
