加入 STM32F103ZET6 驱动 80x40 点阵屏的编译与烧录工程。

用 Arm GCC 生成固件，并通过 DAP Link 烧录。

Co-authored-by: Cursor <cursoragent@cursor.com>

.gitignore

@@ -0,0 +1,2 @@
+build/
+-p/

Makefile

@@ -0,0 +1,97 @@
+TARGET = hub75_80x40
+BUILD = build
+
+PREFIX = arm-none-eabi-
+CC = $(PREFIX)gcc
+AS = $(PREFIX)gcc -x assembler-with-cpp
+OBJCOPY = $(PREFIX)objcopy
+SIZE = $(PREFIX)size
+
+SRC_ROOT = ../RGB-Matrix-Px-xx/example/STM32/STM32F103RB
+
+C_SOURCES = \
+  $(SRC_ROOT)/Core/Src/main.c \
+  $(SRC_ROOT)/Core/Src/gpio.c \
+  $(SRC_ROOT)/Core/Src/tim.c \
+  $(SRC_ROOT)/Core/Src/usart.c \
+  $(SRC_ROOT)/Core/Src/stm32f1xx_it.c \
+  $(SRC_ROOT)/Core/Src/stm32f1xx_hal_msp.c \
+  $(SRC_ROOT)/Core/Src/system_stm32f1xx.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_exti.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c \
+  $(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c \
+  $(SRC_ROOT)/User/GUI/GUI_Paint.c \
+  $(SRC_ROOT)/User/Driver_HUB75/Driver_RGBMatrix.c \
+  $(SRC_ROOT)/User/image/image.c \
+  $(SRC_ROOT)/User/Fonts/font8.c \
+  $(SRC_ROOT)/User/Fonts/font12.c \
+  $(SRC_ROOT)/User/Fonts/font12CN.c \
+  $(SRC_ROOT)/User/Fonts/font16.c \
+  $(SRC_ROOT)/User/Fonts/font20.c \
+  $(SRC_ROOT)/User/Fonts/font24.c \
+  $(SRC_ROOT)/User/Fonts/font24CN.c \
+  syscalls.c
+
+ASM_SOURCES = startup_stm32f103zet6.s
+
+C_INCLUDES = \
+  -I$(SRC_ROOT)/Core/Inc \
+  -I$(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Inc \
+  -I$(SRC_ROOT)/Drivers/STM32F1xx_HAL_Driver/Inc/Legacy \
+  -I$(SRC_ROOT)/Drivers/CMSIS/Device/ST/STM32F1xx/Include \
+  -I$(SRC_ROOT)/Drivers/CMSIS/Include \
+  -I$(SRC_ROOT)/User/GUI \
+  -I$(SRC_ROOT)/User/Driver_HUB75 \
+  -I$(SRC_ROOT)/User/Fonts \
+  -I$(SRC_ROOT)/User/image
+
+CPU = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
+DEFS = -DSTM32F103xB -DUSE_HAL_DRIVER -DHSE_VALUE=8000000U -DHUB75_PANEL_PROFILE=HUB75_PANEL_PROFILE_80X40_1_20
+OPT = -Os
+
+CFLAGS = $(CPU) $(DEFS) $(C_INCLUDES) $(OPT) -Wall -ffunction-sections -fdata-sections -fno-common -g
+ASFLAGS = $(CPU) -g
+LDFLAGS = $(CPU) -TSTM32F103ZET6.ld -Wl,--gc-sections -Wl,-Map=$(BUILD)/$(TARGET).map --specs=nano.specs --specs=nosys.specs
+
+OBJECTS = $(addprefix $(BUILD)/,$(notdir $(C_SOURCES:.c=.o)))
+OBJECTS += $(addprefix $(BUILD)/,$(notdir $(ASM_SOURCES:.s=.o)))
+
+vpath %.c $(sort $(dir $(C_SOURCES)))
+vpath %.s $(sort $(dir $(ASM_SOURCES)))
+
+all: $(BUILD)/$(TARGET).elf $(BUILD)/$(TARGET).bin $(BUILD)/$(TARGET).hex
+	$(SIZE) $(BUILD)/$(TARGET).elf
+
+$(BUILD)/%.o: %.c | $(BUILD)
+	$(CC) -c $(CFLAGS) $< -o $@
+
+$(BUILD)/%.o: %.s | $(BUILD)
+	$(AS) -c $(ASFLAGS) $< -o $@
+
+$(BUILD)/$(TARGET).elf: $(OBJECTS)
+	$(CC) $(OBJECTS) $(LDFLAGS) -o $@
+
+$(BUILD)/$(TARGET).bin: $(BUILD)/$(TARGET).elf
+	$(OBJCOPY) -O binary $< $@
+
+$(BUILD)/$(TARGET).hex: $(BUILD)/$(TARGET).elf
+	$(OBJCOPY) -O ihex $< $@
+
+$(BUILD):
+	mkdir -p $(BUILD)
+
+clean:
+	rm -rf $(BUILD)
+
+.PHONY: all clean

STM32F103ZET6.ld

@@ -0,0 +1,109 @@
+ENTRY(Reset_Handler)
+
+_estack = ORIGIN(RAM) + LENGTH(RAM);
+
+MEMORY
+{
+  FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K
+  RAM (xrw)  : ORIGIN = 0x20000000, LENGTH = 64K
+}
+
+SECTIONS
+{
+  .isr_vector :
+  {
+    . = ALIGN(4);
+    KEEP(*(.isr_vector))
+    . = ALIGN(4);
+  } >FLASH
+
+  .text :
+  {
+    . = ALIGN(4);
+    *(.text)
+    *(.text*)
+    *(.glue_7)
+    *(.glue_7t)
+    *(.eh_frame)
+    KEEP(*(.init))
+    KEEP(*(.fini))
+    . = ALIGN(4);
+    _etext = .;
+  } >FLASH
+
+  .rodata :
+  {
+    . = ALIGN(4);
+    *(.rodata)
+    *(.rodata*)
+    . = ALIGN(4);
+  } >FLASH
+
+  .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
+  .ARM : { __exidx_start = .; *(.ARM.exidx*) __exidx_end = .; } >FLASH
+
+  .preinit_array :
+  {
+    PROVIDE_HIDDEN(__preinit_array_start = .);
+    KEEP(*(.preinit_array*))
+    PROVIDE_HIDDEN(__preinit_array_end = .);
+  } >FLASH
+
+  .init_array :
+  {
+    PROVIDE_HIDDEN(__init_array_start = .);
+    KEEP(*(SORT(.init_array.*)))
+    KEEP(*(.init_array*))
+    PROVIDE_HIDDEN(__init_array_end = .);
+  } >FLASH
+
+  .fini_array :
+  {
+    PROVIDE_HIDDEN(__fini_array_start = .);
+    KEEP(*(SORT(.fini_array.*)))
+    KEEP(*(.fini_array*))
+    PROVIDE_HIDDEN(__fini_array_end = .);
+  } >FLASH
+
+  _sidata = LOADADDR(.data);
+
+  .data :
+  {
+    . = ALIGN(4);
+    _sdata = .;
+    *(.data)
+    *(.data*)
+    . = ALIGN(4);
+    _edata = .;
+  } >RAM AT> FLASH
+
+  .bss :
+  {
+    . = ALIGN(4);
+    _sbss = .;
+    __bss_start__ = _sbss;
+    *(.bss)
+    *(.bss*)
+    *(COMMON)
+    . = ALIGN(4);
+    _ebss = .;
+    __bss_end__ = _ebss;
+  } >RAM
+
+  ._user_heap_stack :
+  {
+    . = ALIGN(8);
+    PROVIDE(end = .);
+    PROVIDE(_end = .);
+    . = . + 0x400;
+    . = . + 0x1000;
+    . = ALIGN(8);
+  } >RAM
+
+  /DISCARD/ :
+  {
+    libc.a ( * )
+    libm.a ( * )
+    libgcc.a ( * )
+  }
+}

flash.ps1

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+param(
+    [string]$Port = "COM18",
+    [int]$Baud = 115200
+)
+
+$ErrorActionPreference = "Stop"
+$here = Split-Path -Parent $MyInvocation.MyCommand.Path
+$bin = Join-Path $here "build\hub75_80x40.bin"
+
+if (-not (Test-Path $bin)) {
+    throw "Firmware not found: $bin`nRun make in stm32f103zet6 first."
+}
+
+python -m pip show stm32loader *> $null
+if ($LASTEXITCODE -ne 0) {
+    python -m pip install stm32loader
+}
+
+Write-Host "Flashing $bin to $Port"
+Write-Host "BOOT0 must be at 3.3V, then press RESET before this script."
+python -m stm32loader -p $Port -b $Baud -e -w -v $bin -g 0x08000000
+if ($LASTEXITCODE -ne 0) {
+    throw "Flash failed. Set BOOT0 to 3.3V, press RESET, and confirm $Port is the CH340."
+}
+
+Write-Host "Flash done. Move BOOT0 back to GND and press RESET."

startup_stm32f103zet6.s

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+.syntax unified
+.cpu cortex-m3
+.fpu softvfp
+.thumb
+
+.global g_pfnVectors
+.global Default_Handler
+
+.word _sidata
+.word _sdata
+.word _edata
+.word _sbss
+.word _ebss
+
+.section .text.Reset_Handler
+.weak Reset_Handler
+.type Reset_Handler, %function
+Reset_Handler:
+  ldr   r0, =_estack
+  mov   sp, r0
+  bl    SystemInit
+
+  ldr r0, =_sdata
+  ldr r1, =_edata
+  ldr r2, =_sidata
+  movs r3, #0
+  b LoopCopyDataInit
+
+CopyDataInit:
+  ldr r4, [r2, r3]
+  str r4, [r0, r3]
+  adds r3, r3, #4
+
+LoopCopyDataInit:
+  adds r4, r0, r3
+  cmp r4, r1
+  bcc CopyDataInit
+
+  ldr r2, =_sbss
+  ldr r4, =_ebss
+  movs r3, #0
+  b LoopFillZerobss
+
+FillZerobss:
+  str  r3, [r2]
+  adds r2, r2, #4
+
+LoopFillZerobss:
+  cmp r2, r4
+  bcc FillZerobss
+
+  bl __libc_init_array
+  bl main
+
+LoopForever:
+  b LoopForever
+
+.size Reset_Handler, .-Reset_Handler
+
+.section .text.Default_Handler,"ax",%progbits
+Default_Handler:
+Infinite_Loop:
+  b Infinite_Loop
+.size Default_Handler, .-Default_Handler
+
+.macro def_irq handler
+.weak \handler
+.thumb_set \handler, Default_Handler
+.endm
+
+def_irq NMI_Handler
+def_irq HardFault_Handler
+def_irq MemManage_Handler
+def_irq BusFault_Handler
+def_irq UsageFault_Handler
+def_irq SVC_Handler
+def_irq DebugMon_Handler
+def_irq PendSV_Handler
+def_irq SysTick_Handler
+def_irq WWDG_IRQHandler
+def_irq PVD_IRQHandler
+def_irq TAMPER_IRQHandler
+def_irq RTC_IRQHandler
+def_irq FLASH_IRQHandler
+def_irq RCC_IRQHandler
+def_irq EXTI0_IRQHandler
+def_irq EXTI1_IRQHandler
+def_irq EXTI2_IRQHandler
+def_irq EXTI3_IRQHandler
+def_irq EXTI4_IRQHandler
+def_irq DMA1_Channel1_IRQHandler
+def_irq DMA1_Channel2_IRQHandler
+def_irq DMA1_Channel3_IRQHandler
+def_irq DMA1_Channel4_IRQHandler
+def_irq DMA1_Channel5_IRQHandler
+def_irq DMA1_Channel6_IRQHandler
+def_irq DMA1_Channel7_IRQHandler
+def_irq ADC1_2_IRQHandler
+def_irq USB_HP_CAN1_TX_IRQHandler
+def_irq USB_LP_CAN1_RX0_IRQHandler
+def_irq CAN1_RX1_IRQHandler
+def_irq CAN1_SCE_IRQHandler
+def_irq EXTI9_5_IRQHandler
+def_irq TIM1_BRK_IRQHandler
+def_irq TIM1_UP_IRQHandler
+def_irq TIM1_TRG_COM_IRQHandler
+def_irq TIM1_CC_IRQHandler
+def_irq TIM2_IRQHandler
+def_irq TIM3_IRQHandler
+def_irq TIM4_IRQHandler
+def_irq I2C1_EV_IRQHandler
+def_irq I2C1_ER_IRQHandler
+def_irq I2C2_EV_IRQHandler
+def_irq I2C2_ER_IRQHandler
+def_irq SPI1_IRQHandler
+def_irq SPI2_IRQHandler
+def_irq USART1_IRQHandler
+def_irq USART2_IRQHandler
+def_irq USART3_IRQHandler
+def_irq EXTI15_10_IRQHandler
+def_irq RTC_Alarm_IRQHandler
+def_irq USBWakeUp_IRQHandler
+
+.section .isr_vector,"a",%progbits
+.type g_pfnVectors, %object
+g_pfnVectors:
+  .word _estack
+  .word Reset_Handler
+  .word NMI_Handler
+  .word HardFault_Handler
+  .word MemManage_Handler
+  .word BusFault_Handler
+  .word UsageFault_Handler
+  .word 0
+  .word 0
+  .word 0
+  .word 0
+  .word SVC_Handler
+  .word DebugMon_Handler
+  .word 0
+  .word PendSV_Handler
+  .word SysTick_Handler
+  .word WWDG_IRQHandler
+  .word PVD_IRQHandler
+  .word TAMPER_IRQHandler
+  .word RTC_IRQHandler
+  .word FLASH_IRQHandler
+  .word RCC_IRQHandler
+  .word EXTI0_IRQHandler
+  .word EXTI1_IRQHandler
+  .word EXTI2_IRQHandler
+  .word EXTI3_IRQHandler
+  .word EXTI4_IRQHandler
+  .word DMA1_Channel1_IRQHandler
+  .word DMA1_Channel2_IRQHandler
+  .word DMA1_Channel3_IRQHandler
+  .word DMA1_Channel4_IRQHandler
+  .word DMA1_Channel5_IRQHandler
+  .word DMA1_Channel6_IRQHandler
+  .word DMA1_Channel7_IRQHandler
+  .word ADC1_2_IRQHandler
+  .word USB_HP_CAN1_TX_IRQHandler
+  .word USB_LP_CAN1_RX0_IRQHandler
+  .word CAN1_RX1_IRQHandler
+  .word CAN1_SCE_IRQHandler
+  .word EXTI9_5_IRQHandler
+  .word TIM1_BRK_IRQHandler
+  .word TIM1_UP_IRQHandler
+  .word TIM1_TRG_COM_IRQHandler
+  .word TIM1_CC_IRQHandler
+  .word TIM2_IRQHandler
+  .word TIM3_IRQHandler
+  .word TIM4_IRQHandler
+  .word I2C1_EV_IRQHandler
+  .word I2C1_ER_IRQHandler
+  .word I2C2_EV_IRQHandler
+  .word I2C2_ER_IRQHandler
+  .word SPI1_IRQHandler
+  .word SPI2_IRQHandler
+  .word USART1_IRQHandler
+  .word USART2_IRQHandler
+  .word USART3_IRQHandler
+  .word EXTI15_10_IRQHandler
+  .word RTC_Alarm_IRQHandler
+  .word USBWakeUp_IRQHandler
+.size g_pfnVectors, .-g_pfnVectors

syscalls.c

@@ -0,0 +1,91 @@
+#include <errno.h>
+#include <stddef.h>
+#include <sys/types.h>
+
+extern char _end;
+
+static char *heap_end;
+
+caddr_t _sbrk(int incr)
+{
+  extern char _estack;
+  char *prev;
+
+  if (heap_end == NULL)
+  {
+    heap_end = &_end;
+  }
+
+  prev = heap_end;
+  if ((heap_end + incr) >= (&_estack - 0x800))
+  {
+    errno = ENOMEM;
+    return (caddr_t)-1;
+  }
+
+  heap_end += incr;
+  return (caddr_t)prev;
+}
+
+int _write(int file, char *ptr, int len)
+{
+  (void)file;
+  (void)ptr;
+  return len;
+}
+
+int _read(int file, char *ptr, int len)
+{
+  (void)file;
+  (void)ptr;
+  (void)len;
+  return 0;
+}
+
+int _close(int file)
+{
+  (void)file;
+  return -1;
+}
+
+int _fstat(int file, void *st)
+{
+  (void)file;
+  (void)st;
+  return 0;
+}
+
+int _isatty(int file)
+{
+  (void)file;
+  return 1;
+}
+
+int _lseek(int file, int ptr, int dir)
+{
+  (void)file;
+  (void)ptr;
+  (void)dir;
+  return 0;
+}
+
+void _exit(int status)
+{
+  (void)status;
+  while (1)
+  {
+  }
+}
+
+int _kill(int pid, int sig)
+{
+  (void)pid;
+  (void)sig;
+  errno = EINVAL;
+  return -1;
+}
+
+int _getpid(void)
+{
+  return 1;
+}