Msp430 Usb Firmware Upgrade Example -

// Function pointer to application void ( jump_to_app)(void) = (void ( )(void))APP_START_ADDR;

int main(void) WDTHOLD; // Stop watchdog

// Check upgrade condition if (*(uint8_t*)UPGRADE_FLAG_ADDR == 0xAA) // Enter USB DFU mode USB_init(); USB_connect(); while (1) USB_handle_commands(); if (upgrade_complete) *(uint8_t*)UPGRADE_FLAG_ADDR = 0x00; __disable_interrupt(); asm("mov &0x4400, PC"); // Jump to app else // Normal app launch jump_to_app();