diff options
Diffstat (limited to 'libopencm3/lib/lpc17xx')
| -rw-r--r-- | libopencm3/lib/lpc17xx/Makefile | 40 | ||||
| -rw-r--r-- | libopencm3/lib/lpc17xx/gpio.c | 48 | ||||
| -rw-r--r-- | libopencm3/lib/lpc17xx/libopencm3_lpc17xx.ld | 106 |
3 files changed, 194 insertions, 0 deletions
diff --git a/libopencm3/lib/lpc17xx/Makefile b/libopencm3/lib/lpc17xx/Makefile new file mode 100644 index 0000000..4b49df4 --- /dev/null +++ b/libopencm3/lib/lpc17xx/Makefile @@ -0,0 +1,40 @@ +## +## 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/>. +## + +LIBNAME = libopencm3_lpc17xx +SRCLIBDIR ?= .. + +PREFIX ?= arm-none-eabi + +CC = $(PREFIX)-gcc +AR = $(PREFIX)-ar +CFLAGS = -O0 -g \ + -Wall -Wextra -Wimplicit-function-declaration \ + -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \ + -Wundef -Wshadow \ + -I../../include -fno-common \ + -mcpu=cortex-m3 -mthumb $(FP_FLAGS) -Wstrict-prototypes \ + -ffunction-sections -fdata-sections -MD -DLPC17XX +# ARFLAGS = rcsv +ARFLAGS = rcs +OBJS = gpio.o + +VPATH += ../cm3 + +include ../Makefile.include diff --git a/libopencm3/lib/lpc17xx/gpio.c b/libopencm3/lib/lpc17xx/gpio.c new file mode 100644 index 0000000..4831af7 --- /dev/null +++ b/libopencm3/lib/lpc17xx/gpio.c @@ -0,0 +1,48 @@ +/** @defgroup gpio_file GPIO + +@ingroup LPC17xx + +@brief <b>libopencm3 LPC17xx General Purpose I/O</b> + +@version 1.0.0 + +@author @htmlonly © @endhtmlonly 2009 Uwe Hermann <uwe@hermann-uwe.de> + +LGPL License Terms @ref lgpl_license +*/ + +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2010 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/>. + */ + +/**@{*/ + +#include <libopencm3/lpc17xx/gpio.h> + +void gpio_set(uint32_t gpioport, uint32_t gpios) +{ + GPIO_SET(gpioport) = gpios; +} + +void gpio_clear(uint32_t gpioport, uint32_t gpios) +{ + GPIO_CLR(gpioport) = gpios; +} + +/**@}*/ + diff --git a/libopencm3/lib/lpc17xx/libopencm3_lpc17xx.ld b/libopencm3/lib/lpc17xx/libopencm3_lpc17xx.ld new file mode 100644 index 0000000..bd0005c --- /dev/null +++ b/libopencm3/lib/lpc17xx/libopencm3_lpc17xx.ld @@ -0,0 +1,106 @@ +/* + * 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/>. + */ + +/* Generic linker script for LPC13XX targets using libopencm3. */ + +/* Memory regions must be defined in the ld script which includes this one. */ + +/* Enforce emmition of the vector table. */ +EXTERN (vector_table) + +/* Define the entry point of the output file. */ +ENTRY(reset_handler) + +/* Define sections. */ +SECTIONS +{ + .text : { + *(.vectors) /* Vector table */ + *(.text*) /* Program code */ + . = ALIGN(4); + *(.rodata*) /* Read-only data */ + . = ALIGN(4); + } >rom + + /* C++ Static constructors/destructors, also used for __attribute__ + * ((constructor)) and the likes */ + .preinit_array : { + . = ALIGN(4); + __preinit_array_start = .; + KEEP (*(.preinit_array)) + __preinit_array_end = .; + } >rom + .init_array : { + . = ALIGN(4); + __init_array_start = .; + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + __init_array_end = .; + } >rom + .fini_array : { + . = ALIGN(4); + __fini_array_start = .; + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + __fini_array_end = .; + } >rom + + /* + * Another section used by C++ stuff, appears when using newlib with + * 64bit (long long) printf support + */ + .ARM.extab : { + *(.ARM.extab*) + } >rom + .ARM.exidx : { + __exidx_start = .; + *(.ARM.exidx*) + __exidx_end = .; + } >rom + + . = ALIGN(4); + _etext = .; + + .data : { + _data = .; + *(.data*) /* Read-write initialized data */ + . = ALIGN(4); + _edata = .; + } >ram AT >rom + _data_loadaddr = LOADADDR(.data); + + .bss : { + *(.bss*) /* Read-write zero initialized data */ + *(COMMON) + . = ALIGN(4); + _ebss = .; + } >ram + + /* + * The .eh_frame section appears to be used for C++ exception handling. + * You may need to fix this if you're using C++. + */ + /DISCARD/ : { *(.eh_frame) } + + . = ALIGN(4); + end = .; +} + +PROVIDE(_stack = ORIGIN(ram) + LENGTH(ram)); + |