nrfx_err_t nrfx_twim_xfer(nrfx_twim_t const * p_instance,
nrfx_twim_xfer_desc_t const * p_xfer_desc,
uint32_t flags)
{
NRFX_ASSERT(TWIM_LENGTH_VALIDATE(p_instance->drv_inst_idx,
p_xfer_desc->primary_length,
p_xfer_desc->secondary_length));
nrfx_err_t err_code = NRFX_SUCCESS;
twim_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];
// TXRX and TXTX transfers are supported only in non-blocking mode.
NRFX_ASSERT( !((p_cb->handler == NULL) && (p_xfer_desc->type == NRFX_TWIM_XFER_TXRX)));
NRFX_ASSERT( !((p_cb->handler == NULL) && (p_xfer_desc->type == NRFX_TWIM_XFER_TXTX)));
NRFX_LOG_INFO("Transfer type: %s.", TRANSFER_TO_STR(p_xfer_desc->type));
NRFX_LOG_INFO("Transfer buffers length: primary: %d, secondary: %d.",
p_xfer_desc->primary_length,
p_xfer_desc->secondary_length);
NRFX_LOG_DEBUG("Primary buffer data:");
NRFX_LOG_HEXDUMP_DEBUG(p_xfer_desc->p_primary_buf,
p_xfer_desc->primary_length * sizeof(p_xfer_desc->p_primary_buf[0]));
NRFX_LOG_DEBUG("Secondary buffer data:");
NRFX_LOG_HEXDUMP_DEBUG(p_xfer_desc->p_secondary_buf,
p_xfer_desc->secondary_length * sizeof(p_xfer_desc->p_secondary_buf[0]));
err_code = twim_xfer(p_cb, (NRF_TWIM_Type *)p_instance->p_twim, p_xfer_desc, flags);
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
void nrfx_adc_irq_handler(void)
{
if (m_cb.p_buffer == NULL)
{
nrf_adc_event_clear(NRF_ADC_EVENT_END);
NRFX_LOG_DEBUG("Event: %s.",NRFX_LOG_ERROR_STRING_GET(NRF_ADC_EVENT_END));
nrf_adc_int_disable(NRF_ADC_INT_END_MASK);
nrf_adc_disable();
nrfx_adc_evt_t evt;
evt.type = NRFX_ADC_EVT_SAMPLE;
evt.data.sample.sample = (nrf_adc_value_t)nrf_adc_result_get();
NRFX_LOG_DEBUG("ADC data:");
NRFX_LOG_HEXDUMP_DEBUG((uint8_t *)(&evt.data.sample.sample), sizeof(nrf_adc_value_t));
m_cb.state = NRFX_DRV_STATE_INITIALIZED;
m_cb.event_handler(&evt);
}
else if (adc_sample_process())
{
NRFX_LOG_DEBUG("Event: %s.", NRFX_LOG_ERROR_STRING_GET(NRF_ADC_EVENT_END));
nrf_adc_int_disable(NRF_ADC_INT_END_MASK);
nrfx_adc_evt_t evt;
evt.type = NRFX_ADC_EVT_DONE;
evt.data.done.p_buffer = m_cb.p_buffer;
evt.data.done.size = m_cb.size;
m_cb.state = NRFX_DRV_STATE_INITIALIZED;
NRFX_LOG_DEBUG("ADC data:");
NRFX_LOG_HEXDUMP_DEBUG((uint8_t *)m_cb.p_buffer, m_cb.size * sizeof(nrf_adc_value_t));
m_cb.event_handler(&evt);
}
}
void nrfx_qdec_accumulators_read(int16_t * p_acc, int16_t * p_accdbl)
{
NRFX_ASSERT(m_state == NRFX_DRV_STATE_POWERED_ON);
nrf_qdec_task_trigger(NRF_QDEC_TASK_READCLRACC);
*p_acc = (int16_t)nrf_qdec_accread_get();
*p_accdbl = (int16_t)nrf_qdec_accdblread_get();
NRFX_LOG_DEBUG("Accumulators data, ACC register:");
NRFX_LOG_HEXDUMP_DEBUG((uint8_t *)p_acc, sizeof(p_acc[0]));
NRFX_LOG_DEBUG("Accumulators data, ACCDBL register:");
NRFX_LOG_HEXDUMP_DEBUG((uint8_t *)p_accdbl, sizeof(p_accdbl[0]));
}
uint32_t nrfx_pwm_complex_playback(nrfx_pwm_t const * const p_instance,
nrf_pwm_sequence_t const * p_sequence_0,
nrf_pwm_sequence_t const * p_sequence_1,
uint16_t playback_count,
uint32_t flags)
{
pwm_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];
NRFX_ASSERT(p_cb->state != NRFX_DRV_STATE_UNINITIALIZED);
NRFX_ASSERT(playback_count > 0);
NRFX_ASSERT(nrfx_is_in_ram(p_sequence_0->values.p_raw));
NRFX_ASSERT(nrfx_is_in_ram(p_sequence_1->values.p_raw));
nrf_pwm_sequence_set(p_instance->p_registers, 0, p_sequence_0);
nrf_pwm_sequence_set(p_instance->p_registers, 1, p_sequence_1);
nrf_pwm_loop_set(p_instance->p_registers, playback_count);
uint32_t shorts_mask;
if (flags & NRFX_PWM_FLAG_STOP)
{
shorts_mask = NRF_PWM_SHORT_LOOPSDONE_STOP_MASK;
}
else if (flags & NRFX_PWM_FLAG_LOOP)
{
shorts_mask = NRF_PWM_SHORT_LOOPSDONE_SEQSTART0_MASK;
}
else
{
shorts_mask = 0;
}
nrf_pwm_shorts_set(p_instance->p_registers, shorts_mask);
NRFX_LOG_INFO("Function: %s, sequence 0 length: %d.",
__func__,
p_sequence_0->length);
NRFX_LOG_INFO("Function: %s, sequence 1 length: %d.",
__func__,
p_sequence_1->length);
NRFX_LOG_DEBUG("Sequence 0 data:");
NRFX_LOG_HEXDUMP_DEBUG(p_sequence_0->values.p_raw,
p_sequence_0->length * sizeof(uint16_t));
NRFX_LOG_DEBUG("Sequence 1 data:");
NRFX_LOG_HEXDUMP_DEBUG(p_sequence_1->values.p_raw,
p_sequence_1->length * sizeof(uint16_t));
return start_playback(p_instance, p_cb, flags, NRF_PWM_TASK_SEQSTART0);
}
nrfx_err_t nrfx_uart_tx(nrfx_uart_t const * p_instance,
uint8_t const * p_data,
size_t length)
{
uart_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];
NRFX_ASSERT(p_cb->state == NRFX_DRV_STATE_INITIALIZED);
NRFX_ASSERT(p_data);
NRFX_ASSERT(length > 0);
nrfx_err_t err_code;
if (nrfx_uart_tx_in_progress(p_instance))
{
err_code = NRFX_ERROR_BUSY;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
p_cb->tx_buffer_length = length;
p_cb->p_tx_buffer = p_data;
p_cb->tx_counter = 0;
p_cb->tx_abort = false;
NRFX_LOG_INFO("Transfer tx_len: %d.", p_cb->tx_buffer_length);
NRFX_LOG_DEBUG("Tx data:");
NRFX_LOG_HEXDUMP_DEBUG(p_cb->p_tx_buffer,
p_cb->tx_buffer_length * sizeof(p_cb->p_tx_buffer[0]));
err_code = NRFX_SUCCESS;
nrf_uart_event_clear(p_instance->p_reg, NRF_UART_EVENT_TXDRDY);
nrf_uart_task_trigger(p_instance->p_reg, NRF_UART_TASK_STARTTX);
tx_byte(p_instance->p_reg, p_cb);
if (p_cb->handler == NULL)
{
if (!tx_blocking(p_instance->p_reg, p_cb))
{
// The transfer has been aborted.
err_code = NRFX_ERROR_FORBIDDEN;
}
else
{
// Wait until the last byte is completely transmitted.
while (!nrf_uart_event_check(p_instance->p_reg, NRF_UART_EVENT_TXDRDY))
{}
nrf_uart_task_trigger(p_instance->p_reg, NRF_UART_TASK_STOPTX);
}
p_cb->tx_buffer_length = 0;
}
NRFX_LOG_INFO("Function: %s, error code: %s.", __func__, NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
uint32_t nrfx_pwm_simple_playback(nrfx_pwm_t const * const p_instance,
nrf_pwm_sequence_t const * p_sequence,
uint16_t playback_count,
uint32_t flags)
{
pwm_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];
NRFX_ASSERT(p_cb->state != NRFX_DRV_STATE_UNINITIALIZED);
NRFX_ASSERT(playback_count > 0);
NRFX_ASSERT(nrfx_is_in_ram(p_sequence->values.p_raw));
// To take advantage of the looping mechanism, we need to use both sequences
// (single sequence can be played back only once).
nrf_pwm_sequence_set(p_instance->p_registers, 0, p_sequence);
nrf_pwm_sequence_set(p_instance->p_registers, 1, p_sequence);
bool odd = (playback_count & 1);
nrf_pwm_loop_set(p_instance->p_registers,
(playback_count / 2) + (odd ? 1 : 0));
uint32_t shorts_mask;
if (flags & NRFX_PWM_FLAG_STOP)
{
shorts_mask = NRF_PWM_SHORT_LOOPSDONE_STOP_MASK;
}
else if (flags & NRFX_PWM_FLAG_LOOP)
{
shorts_mask = odd ? NRF_PWM_SHORT_LOOPSDONE_SEQSTART1_MASK
: NRF_PWM_SHORT_LOOPSDONE_SEQSTART0_MASK;
}
else
{
shorts_mask = 0;
}
nrf_pwm_shorts_set(p_instance->p_registers, shorts_mask);
NRFX_LOG_INFO("Function: %s, sequence length: %d.",
__func__,
p_sequence->length);
NRFX_LOG_DEBUG("Sequence data:");
NRFX_LOG_HEXDUMP_DEBUG((uint8_t *)p_sequence->values.p_raw,
p_sequence->length * sizeof(uint16_t));
return start_playback(p_instance, p_cb, flags,
odd ? NRF_PWM_TASK_SEQSTART1 : NRF_PWM_TASK_SEQSTART0);
}
nrfx_err_t nrfx_uarte_tx(nrfx_uarte_t const * p_instance,
uint8_t const * p_data,
size_t length)
{
uarte_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];
NRFX_ASSERT(p_cb->state == NRFX_DRV_STATE_INITIALIZED);
NRFX_ASSERT(p_data);
NRFX_ASSERT(length > 0);
NRFX_ASSERT(UARTE_LENGTH_VALIDATE(p_instance->drv_inst_idx, length));
nrfx_err_t err_code;
// EasyDMA requires that transfer buffers are placed in DataRAM,
// signal error if the are not.
if (!nrfx_is_in_ram(p_data))
{
err_code = NRFX_ERROR_INVALID_ADDR;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
if (nrfx_uarte_tx_in_progress(p_instance))
{
err_code = NRFX_ERROR_BUSY;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
p_cb->tx_buffer_length = length;
p_cb->p_tx_buffer = p_data;
NRFX_LOG_INFO("Transfer tx_len: %d.", p_cb->tx_buffer_length);
NRFX_LOG_DEBUG("Tx data:");
NRFX_LOG_HEXDUMP_DEBUG(p_cb->p_tx_buffer,
p_cb->tx_buffer_length * sizeof(p_cb->p_tx_buffer[0]));
err_code = NRFX_SUCCESS;
nrf_uarte_event_clear(p_instance->p_reg, NRF_UARTE_EVENT_ENDTX);
nrf_uarte_event_clear(p_instance->p_reg, NRF_UARTE_EVENT_TXSTOPPED);
nrf_uarte_tx_buffer_set(p_instance->p_reg, p_cb->p_tx_buffer, p_cb->tx_buffer_length);
nrf_uarte_task_trigger(p_instance->p_reg, NRF_UARTE_TASK_STARTTX);
if (p_cb->handler == NULL)
{
bool endtx;
bool txstopped;
do
{
endtx = nrf_uarte_event_check(p_instance->p_reg, NRF_UARTE_EVENT_ENDTX);
txstopped = nrf_uarte_event_check(p_instance->p_reg, NRF_UARTE_EVENT_TXSTOPPED);
}
while ((!endtx) && (!txstopped));
if (txstopped)
{
err_code = NRFX_ERROR_FORBIDDEN;
}
p_cb->tx_buffer_length = 0;
}
NRFX_LOG_INFO("Function: %s, error code: %s.", __func__, NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
