DM: fix upload bug

Author: deanm1278

bootloaders/metroM4/.vs/samdx1_sam_ba/v14/.atsuo

@@ -193,10 +193,12 @@
     </ToolchainSettings>
     <UsesExternalMakeFile>True</UsesExternalMakeFile>
     <OutputDirectory />
-    <BuildTarget>DEBUG=1 all BOARD_ID=METRO_M4 BOARD_CHIP=__SAMD51J19A__</BuildTarget>
+    <BuildTarget>DEBUG=0 all BOARD_ID=METRO_M4 BOARD_CHIP=__SAMD51J19A__</BuildTarget>
     <CleanTarget>clean BOARD_ID=METRO_M4</CleanTarget>
     <ExternalMakeFilePath>Makefile</ExternalMakeFilePath>
     <OutputPath>bin\metrom4\</OutputPath>
+    <OutputFileName>METRO_M4_sam_ba</OutputFileName>
+    <OutputFileExtension>.elf</OutputFileExtension>
   </PropertyGroup>
   <ItemGroup>
     <Compile Include="board_definitions.h">

bootloaders/metroM4/samd51_sam_ba.cproj

@@ -30,10 +30,16 @@ extern "C" {
 extern const uint32_t __text_start__;
 #define APP_START ((volatile uint32_t)(&__text_start__) + 4)
 
+#else
+
+#if defined(__SAMD51__)
+#define APP_START 0x00004004
 #else
 #define APP_START 0x00002004
 #endif
 
+#endif
+
 static inline bool nvmReady(void) {
 #if defined(__SAMD51__)
 		return NVMCTRL->STATUS.reg & NVMCTRL_STATUS_READY;
@@ -50,7 +56,7 @@ static void banzai() {
 #if defined(__SAMD51__)
 	//THESE MUST MATCH THE BOOTLOADER
 	#define DOUBLE_TAP_MAGIC 			0x07738135
-	#define BOOT_DOUBLE_TAP_ADDRESS     0x20007FFC
+	#define BOOT_DOUBLE_TAP_ADDRESS     0x2002FFFCul
 
 	unsigned long *a = (unsigned long *)BOOT_DOUBLE_TAP_ADDRESS;
 	*a = DOUBLE_TAP_MAGIC;