1# jinwandalaohu
在bootloader的程序中，需要设置APP应用程序的起始地址，而且编译APP应用程序时，也需要将APP应用程序的起始地址进行相应的更改。
您说的hello.bin应该是从0开始的应用程序，应该将其修改为0x1800起始，重新编译，同时将usb的bootloader的APP_START_ADDRESS修改为0x1800。
//*****************************************************************************
//
// The starting address of the application. This must be a multiple of 1024
// bytes (making it aligned to a page boundary). A vector table is expected at
// this location, and the perceived validity of the vector table (stack located
// in SRAM, reset vector located in flash) is used as an indication of the
// validity of the application image.
//
// The flash image of the boot loader must not be larger than this value.
//
// Depends on: None
// Exclusive of: None
// Requires: None
//
//*****************************************************************************
#define APP_START_ADDRESS 0x1800
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