//Erase NRF and blink every 50ms in the process
static void nrf_Emergency_Erase(){
//make sure SWD is initialized
if (!swd_init_debug()) {
return;
}
blinkLED();
//Set NVMC->CONFIG on NRF to 2
if (!swd_write_ap(AP_TAR, 0x4001E000 + 0x504)) {
return;
}
if (!swd_write_ap(AP_DRW, 2)) {
return;
}
blinkLED();
blinkLED();
//Set NVMC->ERASEALL on NRF to 1 to start chip erase
if (!swd_write_ap(AP_TAR, 0x4001E000 + 0x50C)) {
return;
}
if (!swd_write_ap(AP_DRW, 1)) {
return;
}
blinkLED();
blinkLED();
blinkLED();
blinkLED();
//Set NVMC->CONFIG on NRF to 0
if (!swd_write_ap(AP_TAR, 0x4001E000 + 0x504)) {
return;
}
if (!swd_write_ap(AP_DRW, 0)) {
return;
}
blinkLED();
blinkLED();
//swd_set_target_state(RESET_PROGRAM);
//target_flash_init(SystemCoreClock);
//target_flash_program_page(0,(uint8_t *)nrfBlinkyApp,800);
}
static uint8_t target_set_state_by_board(TARGET_RESET_STATE state)
{
if( state == RESET_PROGRAM )
{
do
{
swd_set_target_reset(1);
osDelay(2);
swd_set_target_reset(0);
osDelay(2);
} while(!swd_init_debug());
}
return 1;
}
void swd_set_target_reset(uint8_t asserted)
{
if (asserted) {
swd_init_debug();
//Set POWER->RESET on NRF to 1
if(!swd_write_ap(AP_TAR, 0x40000000 + 0x544)) {
return;
}
if(!swd_write_ap(AP_DRW, 1)){
return;
}
//Hold RESET and SWCLK low for a minimum of 100us
PIN_SWCLK_TCK_CLR();
PIN_SWDIO_TMS_CLR();
//os_dly_wait(1);
} else {
PIN_SWCLK_TCK_SET();
PIN_SWDIO_TMS_SET();
}
}
