Add basic ESP8266 support

TARGETS = src/os/main.cc

ifeq (${arch}, msp430fr5969lp)

include src/arch/msp430fr5969lp/Makefile.inc

endif

ifeq (${arch}, posix)

include src/arch/posix/Makefile.inc

endif

include src/arch/${arch}/Makefile.inc

clean: arch_clean

	rm -f build/system.elf

#ifndef GPIO_H

#define GPIO_H

class GPIO {

	private:

		GPIO(const GPIO &copy);

	public:

		GPIO () {}

		void setup();

		void led_on(unsigned char id);

		void led_off(unsigned char id);

		void led_toggle(unsigned char id);

};

extern GPIO gpio;

#endif

/*

 * required by ESP8266 SDK's osapi.h

 *

 * Intentionally left blank.

 */

# vim:ft=make

TOOLCHAIN_BASE = /home/derf/var/projects/esp8266/toolchain/xtensa-lx106-elf/bin

SDK_BASE = /home/derf/var/projects/esp8266/toolchain/xtensa-lx106-elf/xtensa-lx106-elf/sysroot/usr

ESPTOOL = esptool

PORT = /dev/ttyUSB0

CC = ${TOOLCHAIN_BASE}/xtensa-lx106-elf-gcc

CXX = ${TOOLCHAIN_BASE}/xtensa-lx106-elf-g++

AR = ${TOOLCHAIN_BASE}/xtensa-lx106-elf-ar

LD = ${TOOLCHAIN_BASE}/xtensa-lx106-elf-gcc

INCLUDES += -Iinclude/esp8266 -I${SDK_BASE}/include

COMMON_FLAGS += -nostdlib -mlongcalls

CXXFLAGS = -std=c++11

LDFLAGS += -nostdlib -Wl,--no-check-sections -u call_user_start -Wl,-static

TARGETS += src/arch/esp8266/arch.cc src/arch/esp8266/driver/gpio.cc

OBJECTS = ${TARGETS:.cc=.o}

.cc.o:

	${CXX} ${INCLUDES} ${COMMON_FLAGS} ${CXXFLAGS} -c -o $@ ${@:.o=.cc}

build/system.ar: ${OBJECTS}

	${AR} cru $@ ${OBJECTS}

build/system.elf: build/system.ar

	${CC} -L${SDK_BASE}/lib -T${SDK_BASE}/lib/eagle.app.v6.ld ${LDFLAGS} \

		-Wl,--start-group -lc -lgcc -lhal -lpp -lphy -lnet80211 -llwip -lwpa \

		-lmain $< -Wl,--end-group -o $@

build/0x00000.bin: build/system.elf

	${ESPTOOL} --chip esp8266 elf2image -o build/ $<

build/0x40000.bin: build/0x00000.bin

	# also created by commandline for 0x00000.bin

program: build/0x00000.bin build/0x40000.bin

	${ESPTOOL} write_flash 0x00000 build/0x00000.bin 0x40000 build/0x40000.bin

arch_clean:

	rm -f ${OBJECTS}

	rm -f build/system.ar

.PHONY: arch_clean program

#include "arch.h"

extern "C" {

#include "ets_sys.h"

#include "osapi.h"

#include "os_type.h"

#include "user_interface.h"

#include "gpio.h"

#include "mem.h"

}

#define user_procTaskPrio        0

#define user_procTaskQueueLen    1

extern int main(void);

void Arch::setup(void)

{

}

void Arch::idle_loop(void)

{

}

extern "C" void user_init(void)

{

	main();

}

Arch arch;