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Start working on nRF52 firmware; copy code from https://github.com/jbentham/nrf_test

This commit is contained in:
Kelvin Ly 2020-05-15 18:10:11 -04:00
parent c19b86f7ea
commit 8a8f0cf915
2 changed files with 88 additions and 0 deletions
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74
fw/nrf52/Makefile Normal file
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# Build Nordic NRF52832 example
TARGET := nrf52-fw.elf
HEXFILE := $(TARGET:.elf=.hex)
BUILD_DIR := build
SDK := ./nrf5_sdk
PROJ := $(CURDIR)
LINKER_SCRIPT := nrf52_test.ld
OPTIMISE := -O3
GCC := arm-none-eabi-gcc
OBJCOPY := arm-none-eabi-objcopy
OBJSIZE := arm-none-eabi-size
HEAP_SIZE := 8192
STACK_SIZE := 8192
SRC_FILES += $(SDK)/modules/nrfx/mdk/gcc_startup_nrf52.S
SRC_FILES += $(SDK)/modules/nrfx/mdk/system_nrf52.c
SRC_FILES += $(PROJ)/main.c
SRC_DIRS := $(dir $(SRC_FILES))
SRCES := $(notdir $(SRC_FILES))
OBJECTS := $(SRCES:=.o)
OBJ_FILES := $(addprefix $(BUILD_DIR)/,$(OBJECTS))
INC_FOLDERS += $(PROJ)
INC_FOLDERS += $(SDK)/modules/nrfx $(SDK)/modules/nrfx/mdk
INC_FOLDERS += $(SDK)/modules/nrfx/hal
INC_FOLDERS += $(SDK)/components/libraries/strerror $(SDK)/components/toolchain/cmsis/include
INC_FOLDERS += $(SDK)/components/libraries/util $(SDK)/components/libraries/balloc
INC_FOLDERS += $(SDK)/components/libraries/ringbuf $(SDK)/components/libraries/bsp
INC_FOLDERS += $(SDK)/components/libraries/log $(SDK)/components/libraries/experimental_section_vars
INC_FOLDERS += $(SDK)/components/libraries/delay $(SDK)/components/drivers_nrf/nrf_soc_nosd
INC_FOLDERS += $(SDK)/components/libraries/atomic $(SDK)/components/boards
INC_FOLDERS += $(SDK)/components/libraries/memobj $(SDK)/components/libraries/log/src
INC_FOLDERS += $(SDK)/external/fprintf $(SDK)/integration/nrfx
CFLAGS += -std=c99 -MP -MD -c -g3 $(OPTIMISE)
CFLAGS += -DBOARD_CUSTOM -DBSP_DEFINES_ONLY -DCONFIG_GPIO_AS_PINRESET -DFLOAT_ABI_HARD -DNRF52 -DNRF52832_XXAA -DNRF52_PAN_74
CFLAGS += -mcpu=cortex-m4 -mthumb -mabi=aapcs -Wall -Werror -mfloat-abi=hard -mfpu=fpv4-sp-d16 -ffunction-sections -fdata-sections
CFLAGS += -fno-strict-aliasing -fno-builtin -fshort-enums -D__HEAP_SIZE=$(HEAP_SIZE) -D__STACK_SIZE=$(STACK_SIZE)
LNFLAGS += -O3 -g3 -mthumb -mabi=aapcs -L$(SDK)/modules/nrfx/mdk -T$(LINKER_SCRIPT) -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16
LNFLAGS += -Wl,--gc-sections --specs=nano.specs
LNFLAGS2 += -Wl,-Map=build/blinky.map -lc -lnosys -lm
VPATH := $(SRC_DIRS)
$(BUILD_DIR)/$(TARGET): $(OBJ_FILES)
@echo Linking $@
@$(GCC) $(LNFLAGS) -o $@ $^ $(LNFLAGS2)
@$(OBJCOPY) -O ihex $(BUILD_DIR)/$(TARGET) $(BUILD_DIR)/$(HEXFILE)
@$(OBJCOPY) -O binary $(BUILD_DIR)/$(TARGET) $(BUILD_DIR)/$(TARGET:.elf=.bin)
@$(OBJSIZE) $(BUILD_DIR)/$(TARGET)
$(BUILD_DIR)/%.c.o: %.c
@echo Compiling $<
@$(GCC) $(CFLAGS) -o $@ $< $(addprefix -I,$(INC_FOLDERS))
$(BUILD_DIR)/%.S.o: %.S
@echo Assembling $<
@$(GCC) $(CFLAGS) -o $@ $<
jflash: $(BUILD_DIR)/$(TARGET)
@echo Flashing $(HEXFILE)
nrfjprog --program $(BUILD_DIR)/$(HEXFILE) --sectorerase
nrfjprog --reset
ocdflash: $(BUILD_DIR)/$(TARGET)
sudo openocd -f ../openocd/rpi2.cfg -f ../openocd/nrf52_swd.cfg -c "program $(BUILD_DIR)/$(TARGET) verify reset exit"
# EOF

14
fw/nrf52/main.c Normal file
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#include "nrf_gpio.h"
#include "nrf_delay.h"
// LED definitions
#define LED_PIN 7
#define LED_BIT (1 << LED_PIN)
int main(void) {
nrf_gpio_cfg_output(LED_PIN);
while (1) {
nrf_delay_ms(500);
NRF_GPIO->OUT ^= LED_BIT;
}
}