/**
* @brief Function for main application entry.
*/
int main(void)
{
LEDS_CONFIGURE(BSP_LED_0_MASK);
LEDS_OFF(BSP_LED_0_MASK);
adc_config();
UNUSED_RETURN_VALUE(NRF_LOG_INIT());
NRF_LOG_PRINTF("ADC example\r\n");
while (true)
{
APP_ERROR_CHECK(nrf_drv_adc_buffer_convert(adc_buffer,ADC_BUFFER_SIZE));
uint32_t i;
for (i = 0; i < ADC_BUFFER_SIZE; i++)
{
// manually trigger ADC conversion
nrf_drv_adc_sample();
// enter into sleep mode
__SEV();
__WFE();
__WFE();
nrf_delay_ms(100);
LEDS_INVERT(BSP_LED_0_MASK);
}
}
}
static void nrfx_rng_handler(uint8_t rng_val)
{
NRF_DRV_RNG_LOCK();
if (!NRF_DRV_RNG_SD_IS_ENABLED())
{
UNUSED_RETURN_VALUE(nrf_queue_push(&m_rand_pool, &rng_val));
if (nrf_queue_is_full(&m_rand_pool))
{
nrfx_rng_stop();
}
NRF_LOG_DEBUG("Event: NRF_RNG_EVENT_VALRDY.");
}
NRF_DRV_RNG_RELEASE();
}
/**
* @brief This function calls the user's observer (@ref m_observer) after it is done handling the event.
*/
static void dfu_observer(nrf_dfu_evt_type_t event)
{
switch (event)
{
case NRF_DFU_EVT_DFU_COMPLETED:
{
#ifndef NRF_DFU_NO_TRANSPORT
UNUSED_RETURN_VALUE(nrf_dfu_transports_close(NULL));
#endif
break;
}
default:
break;
}
/* Call user's observer if present. */
if (m_user_observer)
{
m_user_observer(event);
}
}
ret_code_t nfc_ndef_msg_encode(nfc_ndef_msg_desc_t const * p_ndef_msg_desc,
uint8_t * p_msg_buffer,
uint32_t * const p_msg_len)
{
nfc_ndef_record_location_t record_location;
uint32_t temp_len;
uint32_t i;
uint32_t err_code;
uint32_t sum_of_len = 0;
if ((p_ndef_msg_desc == NULL) || p_msg_len == NULL)
{
return NRF_ERROR_NULL;
}
nfc_ndef_record_desc_t * * pp_record_rec_desc = p_ndef_msg_desc->pp_record;
if (p_ndef_msg_desc->pp_record == NULL)
{
return NRF_ERROR_NULL;
}
#if NFC_NDEF_MSG_TAG_TYPE == TYPE_4_TAG
uint8_t * p_root_msg_buffer = p_msg_buffer;
if (p_msg_buffer != NULL)
{
if (*p_msg_len < NLEN_FIELD_SIZE)
{
return NRF_ERROR_NO_MEM;
}
p_msg_buffer += NLEN_FIELD_SIZE;
}
sum_of_len += NLEN_FIELD_SIZE;
#endif
for (i = 0; i < p_ndef_msg_desc->record_count; i++)
{
record_location = record_location_get(i, p_ndef_msg_desc->record_count);
temp_len = *p_msg_len - sum_of_len;
err_code = nfc_ndef_record_encode(*pp_record_rec_desc,
record_location,
p_msg_buffer,
&temp_len);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
sum_of_len += temp_len;
if (p_msg_buffer != NULL)
{
p_msg_buffer += temp_len;
}
/* next record */
pp_record_rec_desc++;
}
#if NFC_NDEF_MSG_TAG_TYPE == TYPE_4_TAG
if (p_msg_buffer != NULL)
{
if (sum_of_len - NLEN_FIELD_SIZE > UINT16_MAX)
{
return NRF_ERROR_NOT_SUPPORTED;
}
UNUSED_RETURN_VALUE(uint16_big_encode(sum_of_len - NLEN_FIELD_SIZE, p_root_msg_buffer));
}
#endif
*p_msg_len = sum_of_len;
return NRF_SUCCESS;
}
