Merge pull request #1113 from blckmn/dfu_mode

DFU mode via CLI for F1 and F3

src/main/drivers/system_stm32f10x.c

@@ -114,4 +114,17 @@ void systemInit(void)
 
 void checkForBootLoaderRequest(void)
 {
+    void(*bootJump)(void);
+
+    if (*((uint32_t *)0x20004FF0) == 0xDEADBEEF) {
+
+        *((uint32_t *)0x20004FF0) = 0x0;
+
+        __enable_irq();
+        __set_MSP(*((uint32_t *)0x1FFFF000));
+
+        bootJump = (void(*)(void))(*((uint32_t *) 0x1FFFF004));
+        bootJump();
+        while (1);
+    }
 }

src/main/drivers/system_stm32f30x.c

@@ -107,4 +107,17 @@ void systemInit(void)
 
 void checkForBootLoaderRequest(void)
 {
+    void(*bootJump)(void);
+
+    if (*((uint32_t *)0x20009FFC) == 0xDEADBEEF) {
+
+        *((uint32_t *)0x20009FFC) = 0x0;
+
+        __enable_irq();
+        __set_MSP(*((uint32_t *)0x1FFFD800));
+
+        bootJump = (void(*)(void))(*((uint32_t *) 0x1FFFD804));
+        bootJump();
+        while (1);
+    }
 }

src/main/drivers/system_stm32f4xx.c

@@ -196,9 +196,9 @@ void checkForBootLoaderRequest(void)
         *((uint32_t *)0x2001FFFC) = 0x0;
 
         __enable_irq();
-        __set_MSP(0x20001000);
+        __set_MSP(*((uint32_t *)0x1FFF0000));
 
-        bootJump = (void(*)(void))(*((uint32_t *) 0x1fff0004));
+        bootJump = (void(*)(void))(*((uint32_t *) 0x1FFF0004));
         bootJump();
         while (1);
     }