引导加载程序

Makefile

@@ -21,7 +21,7 @@ ENABLE_TX1750                 ?= 0
 ENABLE_PWRON_PASSWORD         ?= 0
 ENABLE_DTMF_CALLING           ?= 1
 ENABLE_FLASHLIGHT             ?= 1
-
+ENABLE_BOOTLOADER			 ?= 1
 # ---- CUSTOM MODS ----
 ENABLE_BIG_FREQ               ?= 1
 ENABLE_KEEP_MEM_NAME          ?= 1
@@ -366,6 +366,10 @@ endif
 ifeq ($(ENABLE_MDC1200),1)
     CFLAGS  += -DENABLE_MDC1200
 endif
+ifeq ($(ENABLE_BOOTLOADER),1)
+    CFLAGS  += -DENABLE_BOOTLOADER
+endif
+
 ifeq ($(ENABLE_WARNING),1)
     CFLAGS  += -DENABLE_WARNING
 endif

board.c

@@ -27,7 +27,12 @@
 #include "bsp/dp32g030/syscon.h"
 #include "driver/adc.h"
 #include "driver/backlight.h"
-
+#include "ARMCM0.h"
+#include "bsp/dp32g030/pmu.h"
+#include "bsp/dp32g030/saradc.h"
+#include "bsp/dp32g030/syscon.h"
+#include "sram-overlay.h"
+#include "driver/eeprom.h"
 #ifdef ENABLE_FMRADIO
 #include "driver/bk1080.h"
 #endif
@@ -470,3 +475,20 @@ void BOARD_Init(void) {
 #endif
 
 }
+
+void write_to_memory(uint32_t address, uint32_t data) {
+    // 将地址数值转换为指针
+    uint32_t *target_address = (uint32_t *) address;
+    // 向目标地址写入数据
+    *target_address = data;
+    // 为了避免优化，确保代码不会被优化掉
+    volatile uint32_t read_back = *target_address;
+}
+//JUMP_TO_FLASH(0xa10A,0x20003ff0);
+void JUMP_TO_FLASH(uint32_t flash_add,uint32_t stack_add)
+{
+    __disable_irq();
+    ClearStack();
+    __set_MSP(stack_add);
+    __set_PC(flash_add);
+}

board.h

@@ -26,6 +26,8 @@ void     BOARD_PORTCON_Init(void);
 void     BOARD_ADC_Init(void);
 void     BOARD_ADC_GetBatteryInfo(uint16_t *pVoltage, uint16_t *pCurrent);
 void     BOARD_Init(void);
+void JUMP_TO_FLASH(uint32_t flash_add,uint32_t stack_add);
+        void write_to_memory(uint32_t address, uint32_t data) ;
 
 
 #endif

main.c

@@ -60,7 +60,6 @@
 #ifdef ENABLE_4732
 
 
-
 #endif
 
 #include "audio.h"
@@ -131,23 +130,18 @@ void Main(void) {
     BOARD_Init();
 
 
-    boot_counter_10ms = 250;   // 2.5 sec
+
 #ifdef ENABLE_UART
     UART_Init();
 #endif
 
-    SETTINGS_InitEEPROM();
-
 
     memset(gDTMF_String, '-', sizeof(gDTMF_String));
     gDTMF_String[sizeof(gDTMF_String) - 1] = 0;
 
     BK4819_Init();
 
 
-
-
-
     BOARD_ADC_GetBatteryInfo(&gBatteryCurrentVoltage, &gBatteryCurrent);
 
 
@@ -227,6 +221,20 @@ void Main(void) {
 #endif
     UI_DisplayWelcome();
 
+#ifdef ENABLE_BOOTLOADER
+
+
+    if(KEYBOARD_Poll() == KEY_MENU)
+{
+            for (int i = 0; i < 10*1024; i += 4) {
+                uint32_t c;
+                EEPROM_ReadBuffer(0x41000 + i, (uint8_t *) &c, 4);
+                write_to_memory(0x20001000 + i, c);
+            }
+            JUMP_TO_FLASH(0x2000110a, 0x20003ff0);
+}
+#endif
+
 
     boot_counter_10ms = 250;
 

sram-overlay.c

@@ -250,11 +250,3 @@ void CP_EEPROM_TO_FLASH(uint32_t eeprom_add,uint32_t flash_add,uint32_t size)
         ProgramWords(i*4+flash_add, c);
     }
 }
-//JUMP_TO_FLASH(0xa10A,0x20003ff0);
-void JUMP_TO_FLASH(uint32_t flash_add,uint32_t stack_add)
-{
-    __disable_irq();
-    ClearStack();
-    __set_MSP(stack_add);
-    __set_PC(flash_add);
-}