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_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_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;
}
