/*
* Name : GPIO_init - Initialize gpio assignemnt check
*
* Scope : PUBLIC
*
* Arguments : none
*
* Description : Initialize the GPIO assignemnt check variables
*
* Returns : void
*
*/
void GPIO_init( void )
{
#if DEVELOPMENT__NO_OTP
#warning "GPIO assignment checking is active! Deactivate before burning OTP..."
int i, j;
for (i = 0; i < NO_OF_PORTS; i++)
for (j = 0; j < NO_OF_MAX_PINS_PER_PORT; j++)
GPIO[i][j] = 0;
GPIO_reservations();
GPIO_status = 0;
for (i = 0; i < NO_OF_PORTS; i++)
for (j = 0; j < NO_OF_MAX_PINS_PER_PORT; j++) {
uint16_t bitmask = (1 << j);
if ( !(p_mask[i] & bitmask) ) // port pin does not exist! continue to next port...
break;
if (GPIO[i][j] == -1)
__asm("BKPT #0\n"); // this pin has been previously reserved!
if (GPIO[i][j] == 0)
continue;
GPIO_status |= ((uint64_t)GPIO[i][j] << j) << (i * 16);
}
#endif
}
/**
****************************************************************************************
* @brief Callback function, called when external wakeup function is triggered.
*
* @return void.
****************************************************************************************
*/
void ext_wakeup_cb(void)
{
if (GetBits16(SYS_STAT_REG, PER_IS_DOWN)) {
// Return GPIO functionality from external wakeup GPIO
#if DEVELOPMENT_DEBUG
GPIO_reservations();
#endif
set_pad_functions();
}
SetBits32(GP_CONTROL_REG, BLE_WAKEUP_REQ, 1);
}