static bool adc_sample_process()
{
nrf_adc_event_clear(NRF_ADC_EVENT_END);
nrf_adc_disable();
m_cb.p_buffer[m_cb.idx] = (nrf_adc_value_t)nrf_adc_result_get();
m_cb.idx++;
if (m_cb.idx < m_cb.size)
{
bool task_trigger = false;
if (m_cb.p_current_conv->p_next == NULL)
{
m_cb.p_current_conv = m_cb.p_head;
}
else
{
m_cb.p_current_conv = m_cb.p_current_conv->p_next;
task_trigger = true;
}
nrf_adc_config_set(m_cb.p_current_conv->config.data);
nrf_adc_enable();
if (task_trigger)
{
//nrf_adc_start();
nrf_adc_task_trigger(NRF_ADC_TASK_START);
}
return false;
}
else
{
return true;
}
}
static bool adc_sample_process()
{
nrf_adc_event_clear(NRF_ADC_EVENT_END);
nrf_adc_disable();
m_cb.p_buffer[m_cb.idx] = (nrf_adc_value_t)nrf_adc_result_get();
m_cb.idx++;
if (m_cb.idx < m_cb.size)
{
bool task_trigger = false;
if (m_cb.p_current_conv->p_next == NULL)
{
// Make sure the list of channels has not been somehow removed
// (it is when all channels are disabled).
NRFX_ASSERT(m_cb.p_head);
m_cb.p_current_conv = m_cb.p_head;
}
else
{
m_cb.p_current_conv = m_cb.p_current_conv->p_next;
task_trigger = true;
}
nrf_adc_init(&m_cb.p_current_conv->config);
nrf_adc_enable();
if (task_trigger)
{
nrf_adc_task_trigger(NRF_ADC_TASK_START);
}
return false;
}
else
{
return true;
}
}
nrfx_err_t nrfx_adc_buffer_convert(nrf_adc_value_t * buffer, uint16_t size)
{
NRFX_ASSERT(m_cb.state != NRFX_DRV_STATE_UNINITIALIZED);
nrfx_err_t err_code;
NRFX_LOG_INFO("Number of samples requested to convert: %d.", size);
if (m_cb.state == NRFX_DRV_STATE_POWERED_ON)
{
err_code = NRFX_ERROR_BUSY;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
else
{
m_cb.state = NRFX_DRV_STATE_POWERED_ON;
m_cb.p_current_conv = m_cb.p_head;
m_cb.size = size;
m_cb.idx = 0;
m_cb.p_buffer = buffer;
nrf_adc_config_set(m_cb.p_current_conv->config.data);
nrf_adc_event_clear(NRF_ADC_EVENT_END);
nrf_adc_enable();
if (m_cb.event_handler)
{
nrf_adc_int_enable(NRF_ADC_INT_END_MASK);
}
else
{
while (1)
{
while (!nrf_adc_event_check(NRF_ADC_EVENT_END)){}
if (adc_sample_process())
{
m_cb.state = NRFX_DRV_STATE_INITIALIZED;
break;
}
}
}
err_code = NRFX_SUCCESS;
NRFX_LOG_INFO("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
}
nrfx_err_t nrfx_adc_sample_convert(nrfx_adc_channel_t const * const p_channel,
nrf_adc_value_t * p_value)
{
nrfx_err_t err_code;
NRFX_ASSERT(m_cb.state != NRFX_DRV_STATE_UNINITIALIZED);
if (m_cb.state == NRFX_DRV_STATE_POWERED_ON)
{
err_code = NRFX_ERROR_BUSY;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
else
{
m_cb.state = NRFX_DRV_STATE_POWERED_ON;
nrf_adc_config_set(p_channel->config.data);
nrf_adc_enable();
nrf_adc_int_disable(NRF_ADC_INT_END_MASK);
nrf_adc_start();
if (p_value)
{
while (!nrf_adc_event_check(NRF_ADC_EVENT_END)) {}
nrf_adc_event_clear(NRF_ADC_EVENT_END);
*p_value = (nrf_adc_value_t)nrf_adc_result_get();
nrf_adc_disable();
m_cb.state = NRFX_DRV_STATE_INITIALIZED;
}
else
{
NRFX_ASSERT(m_cb.event_handler);
m_cb.p_buffer = NULL;
nrf_adc_int_enable(NRF_ADC_INT_END_MASK);
}
err_code = NRFX_SUCCESS;
NRFX_LOG_INFO("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
}
