# # Copyright (C) 2007 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. # ifeq ($(MAKECMDGOALS),prereq) SUBTARGETS:=prereq PREREQ_ONLY:=1 else SUBTARGETS:=$(DEFAULT_SUBDIR_TARGETS) endif subtarget-default = $(filter-out ., \ $(if $($(1)/builddirs-$(2)),$($(1)/builddirs-$(2)), \ $(if $($(1)/builddirs-default),$($(1)/builddirs-default), \ $($(1)/builddirs)))) define subtarget $(call warn_eval,$(1),t,T,$(1)/$(2): $($(1)/) $(foreach bd,$(call subtarget-default,$(1),$(2)),$(1)/$(bd)/$(2))) endef define ERROR ($(call MESSAGE, $(2)); $(if $(BUILD_LOG), echo "$(2)" >> $(BUILD_LOG_DIR)/$(1)/error.txt)) endef lastdir=$(word $(words $(subst /, ,$(1))),$(subst /, ,$(1))) diralias=$(if $(findstring $(1),$(call lastdir,$(1))),,$(call lastdir,$(1))) subdir_make_opts = \ -r -C $(1) \ BUILD_SUBDIR="$(1)" \ BUILD_VARIANT="$(4)" # 1: subdir # 2: target # 3: build type # 4: build variant log_make = \ $(if $(call debug,$(1),v),,@)+ \ $(if $(BUILD_LOG), \ set -o pipefail; \ mkdir -p $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4));) \ $(SCRIPT_DIR)/time.pl "time: $(1)$(if $(4),/$(4))/$(if $(3),$(3)-)$(2)" \ $$(SUBMAKE) $(subdir_make_opts) $(if $(3),$(3)-)$(2) \ $(if $(BUILD_LOG),SILENT= 2>&1 | tee $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4))/$(if $(3),$(3)-)$(2).txt) ifdef CONFIG_AUTOREMOVE rebuild_check = \ @-$$(NO_TRACE_MAKE) $(subdir_make_opts) check-depends >/dev/null 2>/dev/null; \ $(if $(BUILD_LOG),mkdir -p $(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4));) \ $$(NO_TRACE_MAKE) $(if $(BUILD_LOG),-d) -q $(subdir_make_opts) .$(if $(3),$(3)-)$(2) \ > $(if $(BUILD_LOG),$(BUILD_LOG_DIR)/$(1)$(if $(4),/$(4))/check-$(if $(3),$(3)-)$(2).txt,/dev/null) 2>&1 || \ $$(SUBMAKE) $(subdir_make_opts) clean-build >/dev/null 2>/dev/null endif # Parameters: define subdir $(call warn,$(1),d,D $(1)) $(foreach bd,$($(1)/builddirs), $(call warn,$(1),d,BD $(1)/$(bd)) $(foreach target,$(SUBTARGETS) $($(1)/subtargets), $(foreach btype,$(buildtypes-$(bd)), $(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(btype)/$(target): $(if $(NO_DEPS)$(QUILT),,$($(1)/$(bd)/$(btype)/$(target)) $(call $(1)//$(btype)/$(target),$(1)/$(bd)/$(btype)))) $(call log_make,$(1)/$(bd),$(target),$(btype),$(filter-out __default,$(variant))) \ $(if $(findstring $(bd),$($(1)/builddirs-ignore-$(btype)-$(target))), || $(call ERROR,$(1), ERROR: $(1)/$(bd) [$(btype)] failed to build.)) $(if $(call diralias,$(bd)),$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(call diralias,$(bd))/$(btype)/$(target): $(1)/$(bd)/$(btype)/$(target))) ) $(call warn_eval,$(1)/$(bd),t,T,$(1)/$(bd)/$(target): $(if $(NO_DEPS)$(QUILT),,$($(1)/$(bd)/$(target)) $(call $(1)//$(target),$(1)/$(bd)))) $(foreach variant,$(if $(BUILD_VARIANT),$(BUILD_VARIANT),$(if $(strip $($(1)/$(bd)/variants)),$($(1)/$(bd)/variants),$(if $($(1)/$(bd)/default-variant),$($(1)/$(bd)/default-variant),__default))), $(if $(BUILD_LOG),@mkdir -p $(BUILD_LOG_DIR)/$(1)/$(bd)/$(filter-out __default,$(variant))) $(if $($(1)/autoremove),$(call rebuild_check,$(1)/$(bd),$(target),,$(filter-out __default,$(variant)))) $(call log_make,$(1)/$(bd),$(target),,$(filter-out __default,$(variant))) \ $(if $(findstring $(bd),$($(1)/builddirs-ignore-$(target))), || $(call ERROR,$(1), ERROR: $(1)/$(bd) failed to build$(if $(filter-out __default,$(variant)), (build variant: $(variant))).)) ) $(if $(PREREQ_ONLY)$(DUMP_TARGET_DB),, # aliases $(if $(call diralias,$(bd)),$(call warn_eval,$(1)/$(bd),l,T,$(1)/$(call diralias,$(bd))/$(target): $(1)/$(bd)/$(target))) ) ) ) $(foreach target,$(SUBTARGETS) $($(1)/subtargets),$(call subtarget,$(1),$(target))) endef ifndef DUMP_TARGET_DB # Parameters: define stampfile $(1)/stamp-$(3):=$(if $(6),$(6),$(STAGING_DIR))/stamp/.$(2)_$(3)$(5) $$($(1)/stamp-$(3)): $(TMP_DIR)/.build $(4) @+$(SCRIPT_DIR)/timestamp.pl -n $$($(1)/stamp-$(3)) $(1) $(4) || \ $(MAKE) $(if $(QUIET),--no-print-directory) $$($(1)/flags-$(3)) $(1)/$(3) @mkdir -p $$$$(dirname $$($(1)/stamp-$(3))) @touch $$($(1)/stamp-$(3)) $$(if $(call debug,$(1),v),,.SILENT: $$($(1)/stamp-$(3))) .PRECIOUS: $$($(1)/stamp-$(3)) # work around a make bug $(1)//clean:=$(1)/stamp-$(3)/clean $(1)/stamp-$(3)/clean: FORCE @rm -f $$($(1)/stamp-$(3)) endef endif #n45'>45 46 47 48 49 50 51 52 53 54 55

/*
Copyright 2011 Jun Wako <wakojun@gmail.com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef TIMER_H
#define TIMER_H 1

#include <stdint.h>
#include <stdbool.h>

#if defined(__AVR__)
#    include "avr/timer_avr.h"
#endif

#define TIMER_DIFF(a, b, max) ((max == UINT8_MAX) ? ((uint8_t)((a) - (b))) : ((max == UINT16_MAX) ? ((uint16_t)((a) - (b))) : ((max == UINT32_MAX) ? ((uint32_t)((a) - (b))) : ((a) >= (b) ? (a) - (b) : (max) + 1 - (b) + (a)))))
#define TIMER_DIFF_8(a, b) TIMER_DIFF(a, b, UINT8_MAX)
#define TIMER_DIFF_16(a, b) TIMER_DIFF(a, b, UINT16_MAX)
#define TIMER_DIFF_32(a, b) TIMER_DIFF(a, b, UINT32_MAX)
#define TIMER_DIFF_RAW(a, b) TIMER_DIFF_8(a, b)

#ifdef __cplusplus
extern "C" {
#endif

extern volatile uint32_t timer_count;

void     timer_init(void);
void     timer_clear(void);
uint16_t timer_read(void);
uint32_t timer_read32(void);
uint16_t timer_elapsed(uint16_t last);
uint32_t timer_elapsed32(uint32_t last);

// Utility functions to check if a future time has expired & autmatically handle time wrapping if checked / reset frequently (half of max value)
#define timer_expired(current, future) (((uint16_t)current - (uint16_t)future) < 0x8000)
#define timer_expired32(current, future) (((uint32_t)current - (uint32_t)future) < 0x80000000)

#ifdef __cplusplus
}
#endif

#endif