static void banzai() {
// Disable all interrupts
__disable_irq();
// Avoid erasing the application if APP_START is < than the minimum bootloader size
// This could happen if without_bootloader linker script was chosen
// Minimum bootloader size in SAMD21 family is 512bytes (RM section 22.6.5)
if (APP_START < (0x200 + 4)) {
goto reset;
}
// Erase application
while (!nvmReady())
;
NVMCTRL->STATUS.reg |= NVMCTRL_STATUS_MASK;
NVMCTRL->ADDR.reg = (uintptr_t)&NVM_MEMORY[APP_START / 4];
NVMCTRL->CTRLA.reg = NVMCTRL_CTRLA_CMD_ER | NVMCTRL_CTRLA_CMDEX_KEY;
while (!nvmReady())
;
reset:
// Reset the device
NVIC_SystemReset() ;
while (true);
}
static void banzai() {
// Disable all interrupts
__disable_irq();
// Erase application
while (!nvmReady())
;
NVMCTRL->STATUS.reg |= NVMCTRL_STATUS_MASK;
NVMCTRL->ADDR.reg = (uintptr_t)&NVM_MEMORY[APP_START / 4];
NVMCTRL->CTRLA.reg = NVMCTRL_CTRLA_CMD_ER | NVMCTRL_CTRLA_CMDEX_KEY;
while (!nvmReady())
;
// Reset the device
NVIC_SystemReset() ;
while (true);
}
