/**
* main function
* @return 0. int return type required by ANSI/ISO standard.
*/
int main(void)
{
// Configure pins 8-15 (port1) for LEDs as outputs
nrf_gpio_range_cfg_output(8, 15);
nrf_gpio_port_set(NRF_GPIO_PORT_SELECT_PORT1, 0XFF);
NRF_RNG->TASKS_START = 1; // start RNG
while (true)
{
// Clear the VALRDY EVENT and clear gpio8 - 15 (port1)
NRF_RNG->EVENTS_VALRDY = 0;
// Wait until the value ready event is generated
while ( NRF_RNG->EVENTS_VALRDY == 0){}
// Set output according to the random value
nrf_gpio_port_write(NRF_GPIO_PORT_SELECT_PORT1, (uint8_t)NRF_RNG->VALUE);
nrf_delay_ms(100);
}
}
/** @brief Function for main application entry.
*/
int main(void)
{
// Configure pins 8-15 (port 1) for LEDs as outputs.
nrf_gpio_range_cfg_output(LED_START, LED_STOP);
nrf_gpio_port_set(NRF_GPIO_PORT_SELECT_PORT1, 0XFF);
NRF_RNG->TASKS_START = 1; // start the RNG peripheral.
while (true)
{
// Clear the VALRDY EVENT.
NRF_RNG->EVENTS_VALRDY = 0;
// Wait until the value ready event is generated.
while (NRF_RNG->EVENTS_VALRDY == 0)
{
// Do nothing.
}
// Set output according to the random value.
nrf_gpio_port_write(NRF_GPIO_PORT_SELECT_PORT1, (uint8_t)NRF_RNG->VALUE);
nrf_delay_ms(100);
}
}
