nrfx_err_t nrfx_uarte_init(nrfx_uarte_t const * p_instance,
nrfx_uarte_config_t const * p_config,
nrfx_uarte_event_handler_t event_handler)
{
NRFX_ASSERT(p_config);
uarte_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];
nrfx_err_t err_code = NRFX_SUCCESS;
if (p_cb->state != NRFX_DRV_STATE_UNINITIALIZED)
{
err_code = NRFX_ERROR_INVALID_STATE;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
#if NRFX_CHECK(NRFX_PRS_ENABLED)
static nrfx_irq_handler_t const irq_handlers[NRFX_UARTE_ENABLED_COUNT] = {
#if NRFX_CHECK(NRFX_UARTE0_ENABLED)
nrfx_uarte_0_irq_handler,
#endif
#if NRFX_CHECK(NRFX_UARTE1_ENABLED)
nrfx_uarte_1_irq_handler,
#endif
};
if (nrfx_prs_acquire(p_instance->p_reg,
irq_handlers[p_instance->drv_inst_idx]) != NRFX_SUCCESS)
{
err_code = NRFX_ERROR_BUSY;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
#endif // NRFX_CHECK(NRFX_PRS_ENABLED)
apply_config(p_instance, p_config);
p_cb->handler = event_handler;
p_cb->p_context = p_config->p_context;
if (p_cb->handler)
{
interrupts_enable(p_instance, p_config->interrupt_priority);
}
nrf_uarte_enable(p_instance->p_reg);
p_cb->rx_buffer_length = 0;
p_cb->rx_secondary_buffer_length = 0;
p_cb->tx_buffer_length = 0;
p_cb->state = NRFX_DRV_STATE_INITIALIZED;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
nrfx_err_t nrfx_adc_init(nrfx_adc_config_t const * p_config,
nrfx_adc_event_handler_t event_handler)
{
NRFX_ASSERT(p_config);
nrfx_err_t err_code;
if (m_cb.state != NRFX_DRV_STATE_UNINITIALIZED)
{
err_code = NRFX_ERROR_INVALID_STATE;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
nrf_adc_event_clear(NRF_ADC_EVENT_END);
if (event_handler)
{
NRFX_IRQ_PRIORITY_SET(ADC_IRQn, p_config->interrupt_priority);
NRFX_IRQ_ENABLE(ADC_IRQn);
}
m_cb.event_handler = event_handler;
m_cb.state = NRFX_DRV_STATE_INITIALIZED;
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_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;
}
nrfx_err_t nrfx_rtc_init(nrfx_rtc_t const * const p_instance,
nrfx_rtc_config_t const * p_config,
nrfx_rtc_handler_t handler)
{
NRFX_ASSERT(p_config);
NRFX_ASSERT(handler);
nrfx_err_t err_code;
m_handlers[p_instance->instance_id] = handler;
if (m_cb[p_instance->instance_id].state != NRFX_DRV_STATE_UNINITIALIZED)
{
err_code = NRFX_ERROR_INVALID_STATE;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
NRFX_IRQ_PRIORITY_SET(p_instance->irq, p_config->interrupt_priority);
NRFX_IRQ_ENABLE(p_instance->irq);
nrf_rtc_prescaler_set(p_instance->p_reg, p_config->prescaler);
m_cb[p_instance->instance_id].reliable = p_config->reliable;
m_cb[p_instance->instance_id].tick_latency = p_config->tick_latency;
m_cb[p_instance->instance_id].state = NRFX_DRV_STATE_INITIALIZED;
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_clock_calibration_start(void)
{
nrfx_err_t err_code = NRFX_SUCCESS;
#if CALIBRATION_SUPPORT
if (nrfx_clock_hfclk_is_running() == false)
{
return NRFX_ERROR_INVALID_STATE;
}
if (nrfx_clock_lfclk_is_running() == false)
{
return NRFX_ERROR_INVALID_STATE;
}
if (m_clock_cb.cal_state == CAL_STATE_IDLE)
{
nrf_clock_event_clear(NRF_CLOCK_EVENT_DONE);
nrf_clock_int_enable(NRF_CLOCK_INT_DONE_MASK);
m_clock_cb.cal_state = CAL_STATE_CAL;
#if defined(USE_WORKAROUND_FOR_ANOMALY_192)
*(volatile uint32_t *)0x40000C34 = 0x00000002;
#endif
nrf_clock_task_trigger(NRF_CLOCK_TASK_CAL);
}
else
{
err_code = NRFX_ERROR_BUSY;
}
#endif // CALIBRATION_SUPPORT
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
nrfx_err_t nrfx_rtc_cc_disable(nrfx_rtc_t const * const p_instance, uint32_t channel)
{
NRFX_ASSERT(m_cb[p_instance->instance_id].state != NRFX_DRV_STATE_UNINITIALIZED);
NRFX_ASSERT(channel<p_instance->cc_channel_count);
nrfx_err_t err_code;
uint32_t int_mask = RTC_CHANNEL_INT_MASK(channel);
nrf_rtc_event_t event = RTC_CHANNEL_EVENT_ADDR(channel);
nrf_rtc_event_disable(p_instance->p_reg,int_mask);
if (nrf_rtc_int_is_enabled(p_instance->p_reg,int_mask))
{
nrf_rtc_int_disable(p_instance->p_reg,int_mask);
if (nrf_rtc_event_pending(p_instance->p_reg,event))
{
nrf_rtc_event_clear(p_instance->p_reg,event);
err_code = NRFX_ERROR_TIMEOUT;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
}
NRFX_LOG_INFO("RTC id: %d, channel disabled: %lu.", p_instance->instance_id, channel);
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_pwm_init(nrfx_pwm_t const * const p_instance,
nrfx_pwm_config_t const * p_config,
nrfx_pwm_handler_t handler)
{
NRFX_ASSERT(p_config);
nrfx_err_t err_code;
pwm_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];
if (p_cb->state != NRFX_DRV_STATE_UNINITIALIZED)
{
err_code = NRFX_ERROR_INVALID_STATE;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
p_cb->handler = handler;
configure_pins(p_instance, p_config);
nrf_pwm_enable(p_instance->p_registers);
nrf_pwm_configure(p_instance->p_registers,
p_config->base_clock, p_config->count_mode, p_config->top_value);
nrf_pwm_decoder_set(p_instance->p_registers,
p_config->load_mode, p_config->step_mode);
nrf_pwm_shorts_set(p_instance->p_registers, 0);
nrf_pwm_int_set(p_instance->p_registers, 0);
nrf_pwm_event_clear(p_instance->p_registers, NRF_PWM_EVENT_LOOPSDONE);
nrf_pwm_event_clear(p_instance->p_registers, NRF_PWM_EVENT_SEQEND0);
nrf_pwm_event_clear(p_instance->p_registers, NRF_PWM_EVENT_SEQEND1);
nrf_pwm_event_clear(p_instance->p_registers, NRF_PWM_EVENT_STOPPED);
// The workaround for nRF52 Anomaly 109 "protects" DMA transfers by handling
// interrupts generated on SEQEND0 and SEQEND1 events (this ensures that
// the 64 MHz clock is ready when data for the next sequence to be played
// is read). Therefore, the PWM interrupt must be enabled even if the event
// handler is not used.
#if defined(USE_DMA_ISSUE_WORKAROUND)
NRFX_IRQ_PRIORITY_SET(DMA_ISSUE_EGU_IRQn, p_config->irq_priority);
NRFX_IRQ_ENABLE(DMA_ISSUE_EGU_IRQn);
#else
if (p_cb->handler)
#endif
{
NRFX_IRQ_PRIORITY_SET(nrfx_get_irq_number(p_instance->p_registers),
p_config->irq_priority);
NRFX_IRQ_ENABLE(nrfx_get_irq_number(p_instance->p_registers));
}
p_cb->state = NRFX_DRV_STATE_INITIALIZED;
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_i2s_next_buffers_set(nrfx_i2s_buffers_t const * p_buffers)
{
NRFX_ASSERT(m_cb.state == NRFX_DRV_STATE_POWERED_ON);
NRFX_ASSERT(p_buffers);
nrfx_err_t err_code;
if (!m_cb.buffers_needed)
{
err_code = NRFX_ERROR_INVALID_STATE;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
if (((p_buffers->p_rx_buffer != NULL)
&& !nrfx_is_in_ram(p_buffers->p_rx_buffer))
||
((p_buffers->p_tx_buffer != NULL)
&& !nrfx_is_in_ram(p_buffers->p_tx_buffer)))
{
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 (m_cb.use_tx)
{
NRFX_ASSERT(p_buffers->p_tx_buffer != NULL);
nrf_i2s_tx_buffer_set(NRF_I2S, p_buffers->p_tx_buffer);
}
if (m_cb.use_rx)
{
NRFX_ASSERT(p_buffers->p_rx_buffer != NULL);
nrf_i2s_rx_buffer_set(NRF_I2S, p_buffers->p_rx_buffer);
}
m_cb.next_buffers = *p_buffers;
m_cb.buffers_needed = false;
return NRFX_SUCCESS;
}
nrfx_err_t nrfx_i2s_init(nrfx_i2s_config_t const * p_config,
nrfx_i2s_data_handler_t handler)
{
NRFX_ASSERT(p_config);
NRFX_ASSERT(handler);
nrfx_err_t err_code;
if (m_cb.state != NRFX_DRV_STATE_UNINITIALIZED)
{
err_code = NRFX_ERROR_INVALID_STATE;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
if (!nrf_i2s_configure(NRF_I2S,
p_config->mode,
p_config->format,
p_config->alignment,
p_config->sample_width,
p_config->channels,
p_config->mck_setup,
p_config->ratio))
{
err_code = NRFX_ERROR_INVALID_PARAM;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
configure_pins(p_config);
m_cb.handler = handler;
NRFX_IRQ_PRIORITY_SET(I2S_IRQn, p_config->irq_priority);
NRFX_IRQ_ENABLE(I2S_IRQn);
m_cb.state = NRFX_DRV_STATE_INITIALIZED;
NRFX_LOG_INFO("Initialized.");
return NRFX_SUCCESS;
}
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;
}
nrfx_err_t nrfx_rtc_cc_set(nrfx_rtc_t const * const p_instance,
uint32_t channel,
uint32_t val,
bool enable_irq)
{
NRFX_ASSERT(m_cb[p_instance->instance_id].state != NRFX_DRV_STATE_UNINITIALIZED);
NRFX_ASSERT(channel<p_instance->cc_channel_count);
nrfx_err_t err_code;
uint32_t int_mask = RTC_CHANNEL_INT_MASK(channel);
nrf_rtc_event_t event = RTC_CHANNEL_EVENT_ADDR(channel);
nrf_rtc_event_disable(p_instance->p_reg, int_mask);
nrf_rtc_int_disable(p_instance->p_reg, int_mask);
val = RTC_WRAP(val);
if (m_cb[p_instance->instance_id].reliable)
{
nrf_rtc_cc_set(p_instance->p_reg,channel,val);
uint32_t cnt = nrf_rtc_counter_get(p_instance->p_reg);
int32_t diff = cnt - val;
if (cnt < val)
{
diff += RTC_COUNTER_COUNTER_Msk;
}
if (diff < m_cb[p_instance->instance_id].tick_latency)
{
err_code = NRFX_ERROR_TIMEOUT;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
}
else
{
nrf_rtc_cc_set(p_instance->p_reg,channel,val);
}
if (enable_irq)
{
nrf_rtc_event_clear(p_instance->p_reg,event);
nrf_rtc_int_enable(p_instance->p_reg, int_mask);
}
nrf_rtc_event_enable(p_instance->p_reg,int_mask);
NRFX_LOG_INFO("RTC id: %d, channel enabled: %lu, compare value: %lu.",
p_instance->instance_id,
channel,
val);
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_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;
}
}
nrfx_err_t nrfx_uart_rx(nrfx_uart_t const * p_instance,
uint8_t * p_data,
size_t length)
{
uart_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];
NRFX_ASSERT(m_cb[p_instance->drv_inst_idx].state == NRFX_DRV_STATE_INITIALIZED);
NRFX_ASSERT(p_data);
NRFX_ASSERT(length > 0);
nrfx_err_t err_code;
bool second_buffer = false;
if (p_cb->handler)
{
nrf_uart_int_disable(p_instance->p_reg, NRF_UART_INT_MASK_RXDRDY |
NRF_UART_INT_MASK_ERROR);
}
if (p_cb->rx_buffer_length != 0)
{
if (p_cb->rx_secondary_buffer_length != 0)
{
if (p_cb->handler)
{
nrf_uart_int_enable(p_instance->p_reg, NRF_UART_INT_MASK_RXDRDY |
NRF_UART_INT_MASK_ERROR);
}
err_code = NRFX_ERROR_BUSY;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
second_buffer = true;
}
if (!second_buffer)
{
p_cb->rx_buffer_length = length;
p_cb->p_rx_buffer = p_data;
p_cb->rx_counter = 0;
p_cb->rx_secondary_buffer_length = 0;
}
else
{
p_cb->p_rx_secondary_buffer = p_data;
p_cb->rx_secondary_buffer_length = length;
}
NRFX_LOG_INFO("Transfer rx_len: %d.", length);
if ((!p_cb->rx_enabled) && (!second_buffer))
{
rx_enable(p_instance);
}
if (p_cb->handler == NULL)
{
nrf_uart_event_clear(p_instance->p_reg, NRF_UART_EVENT_RXTO);
bool rxrdy;
bool rxto;
bool error;
do
{
do
{
error = nrf_uart_event_check(p_instance->p_reg, NRF_UART_EVENT_ERROR);
rxrdy = nrf_uart_event_check(p_instance->p_reg, NRF_UART_EVENT_RXDRDY);
rxto = nrf_uart_event_check(p_instance->p_reg, NRF_UART_EVENT_RXTO);
} while ((!rxrdy) && (!rxto) && (!error));
if (error || rxto)
{
break;
}
rx_byte(p_instance->p_reg, p_cb);
} while (p_cb->rx_buffer_length > p_cb->rx_counter);
p_cb->rx_buffer_length = 0;
if (error)
{
err_code = NRFX_ERROR_INTERNAL;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
if (rxto)
{
err_code = NRFX_ERROR_FORBIDDEN;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
if (p_cb->rx_enabled)
{
nrf_uart_task_trigger(p_instance->p_reg, NRF_UART_TASK_STARTRX);
}
else
{
// Skip stopping RX if driver is forced to be enabled.
nrf_uart_task_trigger(p_instance->p_reg, NRF_UART_TASK_STOPRX);
}
}
else
{
nrf_uart_int_enable(p_instance->p_reg, NRF_UART_INT_MASK_RXDRDY |
NRF_UART_INT_MASK_ERROR);
}
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_comp_init(nrfx_comp_config_t const * p_config,
nrfx_comp_event_handler_t event_handler)
{
NRFX_ASSERT(p_config);
NRFX_ASSERT(event_handler);
nrfx_err_t err_code;
if (m_state != NRFX_DRV_STATE_UNINITIALIZED)
{ // COMP driver is already initialized
err_code = NRFX_ERROR_INVALID_STATE;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
m_comp_event_handler = event_handler;
#if NRFX_CHECK(NRFX_PRS_ENABLED)
if (nrfx_prs_acquire(NRF_COMP, nrfx_comp_irq_handler) != NRFX_SUCCESS)
{
err_code = NRFX_ERROR_BUSY;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
#endif
nrf_comp_task_trigger(NRF_COMP_TASK_STOP);
nrf_comp_enable();
// Clear events to be sure there are no leftovers.
nrf_comp_event_clear(NRF_COMP_EVENT_READY);
nrf_comp_event_clear(NRF_COMP_EVENT_DOWN);
nrf_comp_event_clear(NRF_COMP_EVENT_UP);
nrf_comp_event_clear(NRF_COMP_EVENT_CROSS);
nrf_comp_ref_set(p_config->reference);
//If external source is chosen, write to appropriate register.
if (p_config->reference == COMP_REFSEL_REFSEL_ARef)
{
nrf_comp_ext_ref_set(p_config->ext_ref);
}
nrf_comp_th_set(p_config->threshold);
nrf_comp_main_mode_set(p_config->main_mode);
nrf_comp_speed_mode_set(p_config->speed_mode);
nrf_comp_hysteresis_set(p_config->hyst);
#if defined (COMP_ISOURCE_ISOURCE_Msk)
nrf_comp_isource_set(p_config->isource);
#endif
nrf_comp_shorts_disable(NRFX_COMP_SHORT_STOP_AFTER_CROSS_EVT |
NRFX_COMP_SHORT_STOP_AFTER_UP_EVT |
NRFX_COMP_SHORT_STOP_AFTER_DOWN_EVT);
nrf_comp_int_disable(COMP_INTENCLR_CROSS_Msk |
COMP_INTENCLR_UP_Msk |
COMP_INTENCLR_DOWN_Msk |
COMP_INTENCLR_READY_Msk);
nrf_comp_input_select(p_config->input);
NRFX_IRQ_PRIORITY_SET(COMP_LPCOMP_IRQn, p_config->interrupt_priority);
NRFX_IRQ_ENABLE(COMP_LPCOMP_IRQn);
m_state = NRFX_DRV_STATE_INITIALIZED;
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_uarte_rx(nrfx_uarte_t const * p_instance,
uint8_t * p_data,
size_t length)
{
uarte_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];
NRFX_ASSERT(m_cb[p_instance->drv_inst_idx].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;
}
bool second_buffer = false;
if (p_cb->handler)
{
nrf_uarte_int_disable(p_instance->p_reg, NRF_UARTE_INT_ERROR_MASK |
NRF_UARTE_INT_ENDRX_MASK);
}
if (p_cb->rx_buffer_length != 0)
{
if (p_cb->rx_secondary_buffer_length != 0)
{
if (p_cb->handler)
{
nrf_uarte_int_enable(p_instance->p_reg, NRF_UARTE_INT_ERROR_MASK |
NRF_UARTE_INT_ENDRX_MASK);
}
err_code = NRFX_ERROR_BUSY;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
second_buffer = true;
}
if (!second_buffer)
{
p_cb->rx_buffer_length = length;
p_cb->p_rx_buffer = p_data;
p_cb->rx_secondary_buffer_length = 0;
}
else
{
p_cb->p_rx_secondary_buffer = p_data;
p_cb->rx_secondary_buffer_length = length;
}
NRFX_LOG_INFO("Transfer rx_len: %d.", length);
err_code = NRFX_SUCCESS;
nrf_uarte_event_clear(p_instance->p_reg, NRF_UARTE_EVENT_ENDRX);
nrf_uarte_event_clear(p_instance->p_reg, NRF_UARTE_EVENT_RXTO);
nrf_uarte_rx_buffer_set(p_instance->p_reg, p_data, length);
if (!second_buffer)
{
nrf_uarte_task_trigger(p_instance->p_reg, NRF_UARTE_TASK_STARTRX);
}
else
{
nrf_uarte_shorts_enable(p_instance->p_reg, NRF_UARTE_SHORT_ENDRX_STARTRX);
}
if (m_cb[p_instance->drv_inst_idx].handler == NULL)
{
bool endrx;
bool rxto;
bool error;
do {
endrx = nrf_uarte_event_check(p_instance->p_reg, NRF_UARTE_EVENT_ENDRX);
rxto = nrf_uarte_event_check(p_instance->p_reg, NRF_UARTE_EVENT_RXTO);
error = nrf_uarte_event_check(p_instance->p_reg, NRF_UARTE_EVENT_ERROR);
} while ((!endrx) && (!rxto) && (!error));
m_cb[p_instance->drv_inst_idx].rx_buffer_length = 0;
if (error)
{
err_code = NRFX_ERROR_INTERNAL;
}
if (rxto)
{
err_code = NRFX_ERROR_FORBIDDEN;
}
}
else
{
nrf_uarte_int_enable(p_instance->p_reg, NRF_UARTE_INT_ERROR_MASK |
NRF_UARTE_INT_ENDRX_MASK);
}
NRFX_LOG_INFO("Function: %s, error code: %s.", __func__, NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
__STATIC_INLINE nrfx_err_t twim_xfer(twim_control_block_t * p_cb,
NRF_TWIM_Type * p_twim,
nrfx_twim_xfer_desc_t const * p_xfer_desc,
uint32_t flags)
{
nrfx_err_t err_code = NRFX_SUCCESS;
nrf_twim_task_t start_task = NRF_TWIM_TASK_STARTTX;
nrf_twim_event_t evt_to_wait = NRF_TWIM_EVENT_STOPPED;
if (!nrfx_is_in_ram(p_xfer_desc->p_primary_buf))
{
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;
}
/* Block TWI interrupts to ensure that function is not interrupted by TWI interrupt. */
nrf_twim_int_disable(p_twim, NRF_TWIM_ALL_INTS_MASK);
if (p_cb->busy)
{
nrf_twim_int_enable(p_twim, p_cb->int_mask);
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
{
p_cb->busy = ((NRFX_TWIM_FLAG_NO_XFER_EVT_HANDLER & flags) ||
(NRFX_TWIM_FLAG_REPEATED_XFER & flags)) ? false: true;
}
p_cb->xfer_desc = *p_xfer_desc;
p_cb->repeated = (flags & NRFX_TWIM_FLAG_REPEATED_XFER) ? true : false;
nrf_twim_address_set(p_twim, p_xfer_desc->address);
nrf_twim_event_clear(p_twim, NRF_TWIM_EVENT_STOPPED);
nrf_twim_event_clear(p_twim, NRF_TWIM_EVENT_ERROR);
twim_list_enable_handle(p_twim, flags);
switch (p_xfer_desc->type)
{
case NRFX_TWIM_XFER_TXTX:
NRFX_ASSERT(!(flags & NRFX_TWIM_FLAG_REPEATED_XFER));
NRFX_ASSERT(!(flags & NRFX_TWIM_FLAG_HOLD_XFER));
NRFX_ASSERT(!(flags & NRFX_TWIM_FLAG_NO_XFER_EVT_HANDLER));
if (!nrfx_is_in_ram(p_xfer_desc->p_secondary_buf))
{
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;
}
nrf_twim_shorts_set(p_twim, NRF_TWIM_SHORT_LASTTX_SUSPEND_MASK);
nrf_twim_tx_buffer_set(p_twim, p_xfer_desc->p_primary_buf, p_xfer_desc->primary_length);
nrf_twim_event_clear(p_twim, NRF_TWIM_EVENT_TXSTARTED);
nrf_twim_event_clear(p_twim, NRF_TWIM_EVENT_LASTTX);
nrf_twim_event_clear(p_twim, NRF_TWIM_EVENT_SUSPENDED);
nrf_twim_task_trigger(p_twim, NRF_TWIM_TASK_RESUME);
nrf_twim_task_trigger(p_twim, NRF_TWIM_TASK_STARTTX);
while (!nrf_twim_event_check(p_twim, NRF_TWIM_EVENT_TXSTARTED))
{}
NRFX_LOG_DEBUG("TWIM: Event: %s.", EVT_TO_STR_TWIM(NRF_TWIM_EVENT_TXSTARTED));
nrf_twim_event_clear(p_twim, NRF_TWIM_EVENT_TXSTARTED);
nrf_twim_tx_buffer_set(p_twim, p_xfer_desc->p_secondary_buf, p_xfer_desc->secondary_length);
p_cb->int_mask = NRF_TWIM_INT_SUSPENDED_MASK | NRF_TWIM_INT_ERROR_MASK;
break;
case NRFX_TWIM_XFER_TXRX:
nrf_twim_tx_buffer_set(p_twim, p_xfer_desc->p_primary_buf, p_xfer_desc->primary_length);
if (!nrfx_is_in_ram(p_xfer_desc->p_secondary_buf))
{
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;
}
nrf_twim_rx_buffer_set(p_twim, p_xfer_desc->p_secondary_buf, p_xfer_desc->secondary_length);
nrf_twim_shorts_set(p_twim, NRF_TWIM_SHORT_LASTTX_STARTRX_MASK |
NRF_TWIM_SHORT_LASTRX_STOP_MASK);
p_cb->int_mask = NRF_TWIM_INT_STOPPED_MASK | NRF_TWIM_INT_ERROR_MASK;
break;
case NRFX_TWIM_XFER_TX:
nrf_twim_tx_buffer_set(p_twim, p_xfer_desc->p_primary_buf, p_xfer_desc->primary_length);
if (NRFX_TWIM_FLAG_TX_NO_STOP & flags)
{
nrf_twim_shorts_set(p_twim, NRF_TWIM_SHORT_LASTTX_SUSPEND_MASK);
p_cb->int_mask = NRF_TWIM_INT_SUSPENDED_MASK | NRF_TWIM_INT_ERROR_MASK;
nrf_twim_event_clear(p_twim, NRF_TWIM_EVENT_SUSPENDED);
evt_to_wait = NRF_TWIM_EVENT_SUSPENDED;
}
else
{
nrf_twim_shorts_set(p_twim, NRF_TWIM_SHORT_LASTTX_STOP_MASK);
p_cb->int_mask = NRF_TWIM_INT_STOPPED_MASK | NRF_TWIM_INT_ERROR_MASK;
}
nrf_twim_task_trigger(p_twim, NRF_TWIM_TASK_RESUME);
break;
case NRFX_TWIM_XFER_RX:
nrf_twim_rx_buffer_set(p_twim, p_xfer_desc->p_primary_buf, p_xfer_desc->primary_length);
nrf_twim_shorts_set(p_twim, NRF_TWIM_SHORT_LASTRX_STOP_MASK);
p_cb->int_mask = NRF_TWIM_INT_STOPPED_MASK | NRF_TWIM_INT_ERROR_MASK;
start_task = NRF_TWIM_TASK_STARTRX;
nrf_twim_task_trigger(p_twim, NRF_TWIM_TASK_RESUME);
break;
default:
err_code = NRFX_ERROR_INVALID_PARAM;
break;
}
if (!(flags & NRFX_TWIM_FLAG_HOLD_XFER) && (p_xfer_desc->type != NRFX_TWIM_XFER_TXTX))
{
nrf_twim_task_trigger(p_twim, start_task);
}
if (p_cb->handler)
{
if (flags & NRFX_TWIM_FLAG_NO_XFER_EVT_HANDLER)
{
p_cb->int_mask = NRF_TWIM_INT_ERROR_MASK;
}
nrf_twim_int_enable(p_twim, p_cb->int_mask);
#if NRFX_CHECK(NRFX_TWIM_NRF52_ANOMALY_109_WORKAROUND_ENABLED)
if ((flags & NRFX_TWIM_FLAG_HOLD_XFER) && ((p_xfer_desc->type == NRFX_TWIM_XFER_TX) ||
(p_xfer_desc->type == NRFX_TWIM_XFER_TXRX)))
{
p_cb->flags = flags;
twim_list_enable_handle(p_twim, 0);
p_twim->FREQUENCY = 0;
nrf_twim_event_clear(p_twim, NRF_TWIM_EVENT_TXSTARTED);
nrf_twim_int_enable(p_twim, NRF_TWIM_INT_TXSTARTED_MASK);
}
#endif
}
else
{
while (!nrf_twim_event_check(p_twim, evt_to_wait))
{
if (nrf_twim_event_check(p_twim, NRF_TWIM_EVENT_ERROR))
{
NRFX_LOG_DEBUG("TWIM: Event: %s.", EVT_TO_STR_TWIM(NRF_TWIM_EVENT_ERROR));
nrf_twim_event_clear(p_twim, NRF_TWIM_EVENT_ERROR);
nrf_twim_task_trigger(p_twim, NRF_TWIM_TASK_RESUME);
nrf_twim_task_trigger(p_twim, NRF_TWIM_TASK_STOP);
evt_to_wait = NRF_TWIM_EVENT_STOPPED;
}
}
uint32_t errorsrc = nrf_twim_errorsrc_get_and_clear(p_twim);
p_cb->busy = false;
if (errorsrc)
{
err_code = twi_process_error(errorsrc);
}
}
return err_code;
}
nrfx_err_t nrfx_twim_init(nrfx_twim_t const * p_instance,
nrfx_twim_config_t const * p_config,
nrfx_twim_evt_handler_t event_handler,
void * p_context)
{
NRFX_ASSERT(p_config);
NRFX_ASSERT(p_config->scl != p_config->sda);
twim_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];
nrfx_err_t err_code;
if (p_cb->state != NRFX_DRV_STATE_UNINITIALIZED)
{
err_code = NRFX_ERROR_INVALID_STATE;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
#if NRFX_CHECK(NRFX_PRS_ENABLED)
static nrfx_irq_handler_t const irq_handlers[NRFX_TWIM_ENABLED_COUNT] = {
#if NRFX_CHECK(NRFX_TWIM0_ENABLED)
nrfx_twim_0_irq_handler,
#endif
#if NRFX_CHECK(NRFX_TWIM1_ENABLED)
nrfx_twim_1_irq_handler,
#endif
};
if (nrfx_prs_acquire(p_instance->p_twim,
irq_handlers[p_instance->drv_inst_idx]) != NRFX_SUCCESS)
{
err_code = NRFX_ERROR_BUSY;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
#endif // NRFX_CHECK(NRFX_PRS_ENABLED)
p_cb->handler = event_handler;
p_cb->p_context = p_context;
p_cb->int_mask = 0;
p_cb->repeated = false;
p_cb->busy = false;
p_cb->hold_bus_uninit = p_config->hold_bus_uninit;
#if NRFX_CHECK(NRFX_TWIM_NRF52_ANOMALY_109_WORKAROUND_ENABLED)
p_cb->bus_frequency = (nrf_twim_frequency_t)p_config->frequency;
#endif
/* To secure correct signal levels on the pins used by the TWI
master when the system is in OFF mode, and when the TWI master is
disabled, these pins must be configured in the GPIO peripheral.
*/
TWIM_PIN_INIT(p_config->scl);
TWIM_PIN_INIT(p_config->sda);
NRF_TWIM_Type * p_twim = p_instance->p_twim;
nrf_twim_pins_set(p_twim, p_config->scl, p_config->sda);
nrf_twim_frequency_set(p_twim,
(nrf_twim_frequency_t)p_config->frequency);
if (p_cb->handler)
{
NRFX_IRQ_PRIORITY_SET(nrfx_get_irq_number(p_instance->p_twim),
p_config->interrupt_priority);
NRFX_IRQ_ENABLE(nrfx_get_irq_number(p_instance->p_twim));
}
p_cb->state = NRFX_DRV_STATE_INITIALIZED;
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_i2s_start(nrfx_i2s_buffers_t const * p_initial_buffers,
uint16_t buffer_size,
uint8_t flags)
{
NRFX_ASSERT(p_initial_buffers != NULL);
NRFX_ASSERT(p_initial_buffers->p_rx_buffer != NULL ||
p_initial_buffers->p_tx_buffer != NULL);
NRFX_ASSERT(buffer_size != 0);
(void)(flags);
nrfx_err_t err_code;
if (m_cb.state != NRFX_DRV_STATE_INITIALIZED)
{
err_code = NRFX_ERROR_INVALID_STATE;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
if (((p_initial_buffers->p_rx_buffer != NULL)
&& !nrfx_is_in_ram(p_initial_buffers->p_rx_buffer))
||
((p_initial_buffers->p_tx_buffer != NULL)
&& !nrfx_is_in_ram(p_initial_buffers->p_tx_buffer)))
{
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;
}
m_cb.use_rx = (p_initial_buffers->p_rx_buffer != NULL);
m_cb.use_tx = (p_initial_buffers->p_tx_buffer != NULL);
m_cb.rx_ready = false;
m_cb.tx_ready = false;
m_cb.buffers_needed = false;
m_cb.buffer_size = buffer_size;
// Set the provided initial buffers as next, they will become the current
// ones after the IRQ handler is called for the first time, what will occur
// right after the START task is triggered.
m_cb.next_buffers = *p_initial_buffers;
m_cb.current_buffers.p_rx_buffer = NULL;
m_cb.current_buffers.p_tx_buffer = NULL;
nrf_i2s_transfer_set(NRF_I2S,
m_cb.buffer_size,
m_cb.next_buffers.p_rx_buffer,
m_cb.next_buffers.p_tx_buffer);
nrf_i2s_enable(NRF_I2S);
m_cb.state = NRFX_DRV_STATE_POWERED_ON;
nrf_i2s_event_clear(NRF_I2S, NRF_I2S_EVENT_RXPTRUPD);
nrf_i2s_event_clear(NRF_I2S, NRF_I2S_EVENT_TXPTRUPD);
nrf_i2s_event_clear(NRF_I2S, NRF_I2S_EVENT_STOPPED);
nrf_i2s_int_enable(NRF_I2S, (m_cb.use_rx ? NRF_I2S_INT_RXPTRUPD_MASK : 0) |
(m_cb.use_tx ? NRF_I2S_INT_TXPTRUPD_MASK : 0) |
NRF_I2S_INT_STOPPED_MASK);
nrf_i2s_task_trigger(NRF_I2S, NRF_I2S_TASK_START);
NRFX_LOG_INFO("Started.");
return NRFX_SUCCESS;
}
nrfx_err_t nrfx_qdec_init(nrfx_qdec_config_t const * p_config,
nrfx_qdec_event_handler_t event_handler)
{
NRFX_ASSERT(p_config);
nrfx_err_t err_code;
if (m_state != NRFX_DRV_STATE_UNINITIALIZED)
{
err_code = NRFX_ERROR_INVALID_STATE;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
if (event_handler)
{
m_qdec_event_handler = event_handler;
}
else
{
err_code = NRFX_ERROR_INVALID_PARAM;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
nrf_qdec_sampleper_set(p_config->sampleper);
nrf_gpio_cfg_input(p_config->pselled, NRF_GPIO_PIN_NOPULL);
nrf_gpio_cfg_input(p_config->psela, NRF_GPIO_PIN_NOPULL);
nrf_gpio_cfg_input(p_config->pselb, NRF_GPIO_PIN_NOPULL);
nrf_qdec_pio_assign(p_config->psela, p_config->pselb, p_config->pselled);
nrf_qdec_ledpre_set(p_config->ledpre);
nrf_qdec_ledpol_set(p_config->ledpol);
nrf_qdec_shorts_enable(NRF_QDEC_SHORT_REPORTRDY_READCLRACC_MASK);
if (p_config->dbfen)
{
nrf_qdec_dbfen_enable();
}
else
{
nrf_qdec_dbfen_disable();
}
uint32_t int_mask = NRF_QDEC_INT_ACCOF_MASK;
if (p_config->reportper != NRF_QDEC_REPORTPER_DISABLED)
{
nrf_qdec_reportper_set(p_config->reportper);
int_mask |= NRF_QDEC_INT_REPORTRDY_MASK;
}
if (p_config->sample_inten)
{
int_mask |= NRF_QDEC_INT_SAMPLERDY_MASK;
}
nrf_qdec_int_enable(int_mask);
NRFX_IRQ_PRIORITY_SET(QDEC_IRQn, p_config->interrupt_priority);
NRFX_IRQ_ENABLE(QDEC_IRQn);
m_state = NRFX_DRV_STATE_INITIALIZED;
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_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;
}