Checks bootloader size not greater than 32k. Bug fixes.

radio/src/Makefile

@@ -1104,10 +1104,8 @@ else
 endif
 
 # build bootloader
-# TODO
-# BL_SIZE=${shell sh -c "wc -c $^ | cut -d\  -f1"}
-# if $(BL_SIZE)>32768 then $(error Bootloader doesn't fit in 32k flash); fi
 bootloader.lbm: bootloader/bootloader_ramBoot.bin
+	test -z "$$(find $^ -size +32k)"
 	$(BIN2LBM) $^ $@ 
 
 .PHONY bootloader/bootloader_ramBoot.bin:

radio/src/bootloader/boot.cpp

@@ -699,8 +699,6 @@ int main()
   for (;;) {
     wdt_reset();
 
-    uint8_t event = getEvent();
-
     if (Tenms) {
       wdt_reset();  // Retrigger hardware watchdog
 
@@ -718,6 +716,8 @@ int main()
       lcd_putsLeft(0, BOOTLOADER_TITLE);
       lcd_hline(0, 10, LCD_W);
 
+      uint8_t event = getEvent();
+
       if (usbPlugged()) {
         state = ST_USB;
       }

radio/src/targets/taranis/diskio.cpp

@@ -950,7 +950,9 @@ FIL g_telemetryFile = {0};
 #if defined(BOOT)
 void sdInit(void)
 {
- f_mount(0, &g_FATFS_Obj);
+  if (f_mount(0, &g_FATFS_Obj) == FR_OK) {
+    f_chdir("/");
+  }
 }
 #else
 // TODO shouldn't be there!