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8 Commits

5 changed files with 52 additions and 38 deletions

3
.gitignore vendored
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@@ -1,8 +1,11 @@
project.elf
*.lss
*.o
*.map
*.bin
*.hex
*.lss
*.user
*.user*
*.user.*
obj/*

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@@ -7,10 +7,11 @@ CFILES = main.c syscalls/syscalls.c setup/system_init.c startup/startup_stm32f7
ASFILES =
INCLUDEPATH = -Iinclude
OBJDIR := obj
target = project
TARGET = project
LIBRARYPATH = -Lstartup -Ldsp
LIBRARIES = -larm_cortexM7lfsp_math
LIBRARIES = -larm_cortexM7lfsp_math -lm
DEFINES = -DSTM32F746xx -DSTM32F7XX -DARM_MATH_CM7
mapfile = memmap
@@ -29,58 +30,59 @@ SIZE=arm-none-eabi-size
LFLAGS = -mlittle-endian -mthumb -mcpu=cortex-m7 -mthumb-interwork
LFLAGS += -mfloat-abi=hard -mfpu=fpv5-sp-d16 --disable-newlib-supplied-syscalls -nostartfiles
LFLAGS += -Tstm32f746zgt-axim.ld -Wl,-Map=$(mapfile).map -Wl,--gc-sections
LFLAGS += -Wl,--print-memory-usage
CFLAGS = -c -fmessage-length=0 -mlittle-endian -mthumb -mcpu=cortex-m7 -mthumb-interwork
CFLAGS = -fmessage-length=0 -mlittle-endian -mthumb -mcpu=cortex-m7 -mthumb-interwork
CFLAGS += -mfloat-abi=hard -mfpu=fpv5-sp-d16 -nostartfiles -Wall
####################################################################################
OBJ = $(CFILES:%.c=%.c.o)
ASOBJ = $(ASFILES:%.S=%.S.o)
default: $(target).elf
OBJ = $(CFILES:%.c=$(OBJDIR)/%.c.o)
ASOBJ = $(ASFILES:%.S=$(OBJDIR)/%.S.o)
DEPENDENCY_FILES = $(CFILES:%.c=$(OBJDIR)/%.c.d) $(ASFILES:%.S=$(OBJDIR)/%.S.d)
default: $(TARGET).elf
%.bin: %.elf
$(OBJCOPY) -O binary $^ $@
@echo [BIN] $@
@$(OBJCOPY) -O binary $^ $@
%.hex: %.elf
$(OBJCOPY) -O ihex $^ $@
@echo [HEX] $@
@$(OBJCOPY) -O ihex $^ $@
#Linking
$(target).elf: $(OBJ) $(ASOBJ)
$(CC) $(LFLAGS) $(LIBRARYPATH) -o $@ $^ $(LIBRARIES)
$(SIZE) $@
$(TARGET).elf: $(OBJ) $(ASOBJ)
@$(CC) $(LFLAGS) $(LIBRARYPATH) -o $@ $^ $(LIBRARIES)
@$(SIZE) $@
#Compiling
%.c.o: %.c
$(CC) $(CFLAGS) $(INCLUDEPATH) $(DEFINES) -o $@ $<
$(OBJ):
@echo [CC] $@
@mkdir -p $(@D)
@$(CC) $(CFLAGS) -MMD -MT $@ $(INCLUDEPATH) $(DEFINES) -o $@ -c $(@:$(OBJDIR)/%.c.o=%.c)
%.S.o: %.S
$(CC) $(CFLAGS) $(INCLUDEPATH) $(DEFINES) -o $@ $<
$(ASOBJ):
@echo [AS] $@
@mkdir -p $(@D)
@$(CC) $(CFLAGS) -MMD -MT $@ $(INCLUDEPATH) $(DEFINES) -o $@ -c $(@:$(OBJDIR)/%.S.o=%.S)
.PHONY: qtproject clean mrproper objcopy disassemble
.PHONY: clean mrproper objcopy disassemble binary
disassemble: $(target).elf
$(OBJDUMP) -D -s $< > $(target).lss
binary: $(TARGET).bin $(TARGET).hex
objcopy: $(target).bin $(target).hex
disassemble: $(TARGET).elf
$(OBJDUMP) -D -s $< > $(TARGET).lss
objcopy: $(TARGET).bin $(TARGET).hex
mrproper:
rm -f $(target).pro
rm -f $(TARGET).pro
clean:
rm -f $(target).elf $(target).bin $(target).hex $(OBJ) $(ASOBJ) $(mapfile).map $(target).lss
qtproject:
echo -e "TEMPLATE = app\nCONFIG -= console app_bundle qt" > $(target).pro
echo -e "SOURCES += $(CFILES) $(ASFILES)" >> $(target).pro
echo -ne "INCLUDEPATH += " >> $(target).pro
echo "$(INCLUDEPATH)" | sed "s!-I!./!g" >> $(target).pro
echo -ne "HEADERS += " >> $(target).pro
find -name "*.h" | tr "\\n" " " >> $(target).pro
echo -ne "\nDEFINES += " >> $(target).pro
echo "$(DEFINES)" | sed "s/-D//g" >> $(target).pro
@echo [RM] in $(OBJDIR)
@rm -f $(TARGET).elf $(TARGET).bin $(TARGET).hex $(OBJ) $(ASOBJ) $(mapfile).map $(TARGET).lss $(DEPENDENCY_FILES)
@rm -rf $(OBJDIR)/*
# Include dependency files, if available
-include $(DEPENDENCY_FILES)

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@@ -299,7 +299,7 @@
#define __CMSIS_GENERIC /* disable NVIC and Systick functions */
#if defined(ARM_MATH_CM7)
#include "core_cm7.h"
#include <cmsis/core_cm7.h>
#elif defined (ARM_MATH_CM4)
#include "core_cm4.h"
#elif defined (ARM_MATH_CM3)

1
main.c
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@@ -1,5 +1,6 @@
#include <stm32f7xx.h>
unsigned int i = 0x12345678;
unsigned char c = 2;

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@@ -4,6 +4,7 @@ const signed char __pll_main_div_q_val[] = {-1, -1, 2, 3, 4, 5, 6, 7, 8 ,9, 10,
const signed char __pll_main_div_p_val[] = {-1, -1, 0, -1, 1, -1, 2, -1, 3};
const signed char __mco_div_val[] = {-1, 0, 4, 5, 6, 7};
const signed char __apb_presc_val[] = {-1, 0, 4, -1, 5, -1, -1, -1, 6, -1, -1, -1, -1, -1, -1, -1, 7};
const signed char *__pll_i2s_div_p_val = __pll_main_div_p_val;
#define SYSINIT_MAIN_I2S_PLL_DIV_M_MIN (2)
#define SYSINIT_MAIN_I2S_PLL_DIV_M_MAX (63)
#define SYSINIT_MAIN_I2S_PLL_MULT_N_MIN (2)
@@ -40,13 +41,14 @@ struct clock_config {
uint32_t pll_main_on : 1;
uint32_t css_on : 1;
uint32_t hse_bypass : 1;
uint32_t lse_bypass : 1;
uint32_t hsi_trim : 5;
/* Main PLL Conf */
uint32_t pll_main_i2s_src : 1;
uint32_t pll_main_div_q : 4; /* true value */
uint32_t pll_main_div_p : 3; /* true value */
uint32_t pll_main_mult_n : 9;
uint32_t pll_main_div_m : 6;
uint32_t pll_div_m : 6;
/* MCO Outputs */
uint32_t mco2_sel : 2;
uint32_t mco2_presc : 3;
@@ -55,13 +57,19 @@ struct clock_config {
uint32_t i2s_src : 1;
/* RTC */
uint32_t rtc_hse_div_1_meg : 5;
uint32_t rtc_clock_en : 1;
/* APB */
uint32_t apb1_presc : 5;
uint32_t apb2_presc : 5;
/* Systemclock */
uint32_t sysclk_src : 2;
/* PLLI2S */
uint32_t pll_i2s_r : 3;
uint32_t pll_i2s_q : 4;
uint32_t pll_i2s_p : 4; /* true value */
uint32_t pll_i2s_mult : 9;
/* PLLSAI */
/* AHB */
enum sysinit_ahb_presc ahb_presc;
};