diff options
| -rw-r--r-- | Makefile | 8 | ||||
| -rw-r--r-- | include/esp8266/driver/gpio.h | 18 | ||||
| -rw-r--r-- | include/esp8266/user_config.h | 5 | ||||
| -rw-r--r-- | src/arch/esp8266/Makefile.inc | 46 | ||||
| -rw-r--r-- | src/arch/esp8266/arch.cc | 30 | ||||
| -rw-r--r-- | src/arch/esp8266/driver/gpio.cc | 40 |
6 files changed, 140 insertions, 7 deletions
@@ -7,13 +7,7 @@ CXXFLAGS = -std=c++14 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 diff --git a/include/esp8266/driver/gpio.h b/include/esp8266/driver/gpio.h new file mode 100644 index 0000000..177e7c5 --- /dev/null +++ b/include/esp8266/driver/gpio.h @@ -0,0 +1,18 @@ +#ifndef GPIO_H +#define GPIO_H + +class GPIO { + private: + GPIO(const GPIO ©); + + 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 diff --git a/include/esp8266/user_config.h b/include/esp8266/user_config.h new file mode 100644 index 0000000..529fb46 --- /dev/null +++ b/include/esp8266/user_config.h @@ -0,0 +1,5 @@ +/* + * required by ESP8266 SDK's osapi.h + * + * Intentionally left blank. + */ diff --git a/src/arch/esp8266/Makefile.inc b/src/arch/esp8266/Makefile.inc new file mode 100644 index 0000000..3f7f9ff --- /dev/null +++ b/src/arch/esp8266/Makefile.inc @@ -0,0 +1,46 @@ +# 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 diff --git a/src/arch/esp8266/arch.cc b/src/arch/esp8266/arch.cc new file mode 100644 index 0000000..e7a26bb --- /dev/null +++ b/src/arch/esp8266/arch.cc @@ -0,0 +1,30 @@ +#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; diff --git a/src/arch/esp8266/driver/gpio.cc b/src/arch/esp8266/driver/gpio.cc new file mode 100644 index 0000000..bc236a9 --- /dev/null +++ b/src/arch/esp8266/driver/gpio.cc @@ -0,0 +1,40 @@ +#include "driver/gpio.h" +extern "C" { +#include "osapi.h" +#include "user_interface.h" +#include "gpio.h" +} + +void ICACHE_FLASH_ATTR GPIO::setup() +{ + gpio_init(); + + // Enable GPIO2 (ESP8266 on-board LED) as output + PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO2_U, FUNC_GPIO2); + + // Enable GPIO16 (RTC out / NodeMCU on-board LED) as output + //WRITE_PERI_REG(PAD_XPD_DCDC_CONF, (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | (uint32)0x1); + //WRITE_PERI_REG(RTC_GPIO_CONF, (READ_PERI_REG(RTC_GPIO_CONF) & (uint32)0xfffffffe) | (uint32)0x0); + //WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & (uint32)0xfffffffe) | (uint32)0x1); +} + +void ICACHE_FLASH_ATTR GPIO::led_on(unsigned char id) +{ + gpio_output_set(0, BIT2, BIT2, 0); +} + +void ICACHE_FLASH_ATTR GPIO::led_off(unsigned char id) +{ + gpio_output_set(BIT2, 0, BIT2, 0); +} + +void ICACHE_FLASH_ATTR GPIO::led_toggle(unsigned char id) +{ + if (GPIO_REG_READ(GPIO_OUT_ADDRESS) & BIT2) { + led_on(0); + } else { + led_off(0); + } +} + +GPIO gpio; |