C++ (Cpp) nrf_uarte_hwfc_pins_set Examples

Example #1

File: nrfx_uarte.c Project: turon/openthread

static void apply_config(nrfx_uarte_t        const * p_instance,
                         nrfx_uarte_config_t const * p_config)
{
    if (p_config->pseltxd != NRF_UARTE_PSEL_DISCONNECTED)
    {
        nrf_gpio_pin_set(p_config->pseltxd);
        nrf_gpio_cfg_output(p_config->pseltxd);
    }
    if (p_config->pselrxd != NRF_UARTE_PSEL_DISCONNECTED)
    {
        nrf_gpio_cfg_input(p_config->pselrxd, NRF_GPIO_PIN_NOPULL);
    }

    nrf_uarte_baudrate_set(p_instance->p_reg, p_config->baudrate);
    nrf_uarte_configure(p_instance->p_reg, p_config->parity, p_config->hwfc);
    nrf_uarte_txrx_pins_set(p_instance->p_reg, p_config->pseltxd, p_config->pselrxd);
    if (p_config->hwfc == NRF_UARTE_HWFC_ENABLED)
    {
        if (p_config->pselcts != NRF_UARTE_PSEL_DISCONNECTED)
        {
            nrf_gpio_cfg_input(p_config->pselcts, NRF_GPIO_PIN_NOPULL);
        }
        if (p_config->pselrts != NRF_UARTE_PSEL_DISCONNECTED)
        {
            nrf_gpio_pin_set(p_config->pselrts);
            nrf_gpio_cfg_output(p_config->pselrts);
        }
        nrf_uarte_hwfc_pins_set(p_instance->p_reg, p_config->pselrts, p_config->pselcts);
    }
}

Example #2

File: nrf_drv_uart.c Project: 451506709/automated_machine

__STATIC_INLINE void apply_config(nrf_drv_uart_config_t const * p_config)
{
    nrf_gpio_cfg_output(p_config->pseltxd);
    nrf_gpio_pin_set(p_config->pseltxd);
    nrf_gpio_cfg_input(p_config->pselrxd, NRF_GPIO_PIN_NOPULL);

    CODE_FOR_UARTE(
        nrf_uarte_baudrate_set(NRF_UARTE0, (nrf_uarte_baudrate_t)p_config->baudrate);
        nrf_uarte_configure(NRF_UARTE0, (nrf_uarte_parity_t)p_config->parity,
                            (nrf_uarte_hwfc_t)p_config->hwfc);
        nrf_uarte_txrx_pins_set(NRF_UARTE0, p_config->pseltxd, p_config->pselrxd);
        if (p_config->hwfc == NRF_UART_HWFC_ENABLED)
        {
            nrf_gpio_cfg_output(p_config->pselrts);
            nrf_gpio_pin_set(p_config->pselrts);
            nrf_gpio_cfg_input(p_config->pselcts, NRF_GPIO_PIN_NOPULL);
            nrf_uarte_hwfc_pins_set(NRF_UARTE0, p_config->pselrts, p_config->pselcts);
        }
    )

Example #3

File: uart_nrfx_uarte.c Project: kraj/zephyr

static int uarte_instance_init(struct device *dev,
			       const struct uarte_init_config *config,
			       u8_t interrupts_active)
{
	int err;
	NRF_UARTE_Type *uarte = get_uarte_instance(dev);
	struct uarte_nrfx_data *data = get_dev_data(dev);

	nrf_gpio_pin_write(config->pseltxd, 1);
	nrf_gpio_cfg_output(config->pseltxd);

	nrf_gpio_cfg_input(config->pselrxd, NRF_GPIO_PIN_NOPULL);

	nrf_uarte_txrx_pins_set(uarte,
				config->pseltxd,
				config->pselrxd);

	if (config->hwfc == NRF_UARTE_HWFC_ENABLED) {
		nrf_gpio_pin_write(config->pselrts, 1);
		nrf_gpio_cfg_output(config->pselrts);

		nrf_gpio_cfg_input(config->pselcts, NRF_GPIO_PIN_NOPULL);

		nrf_uarte_hwfc_pins_set(uarte,
					config->pselrts,
					config->pselcts);
	}

	/* Configure flow control and parity checking */
	nrf_uarte_configure(uarte,
			    config->parity,
			    config->hwfc);

	err = baudrate_set(dev, config->baudrate);
	if (err) {
		return err;
	}

	/* Enable receiver and transmitter */
	nrf_uarte_enable(uarte);

	nrf_uarte_event_clear(uarte, NRF_UARTE_EVENT_ENDRX);

	nrf_uarte_rx_buffer_set(uarte, &data->rx_data, 1);
	nrf_uarte_task_trigger(uarte, NRF_UARTE_TASK_STARTRX);

#if UARTE_INTERRUPT_DRIVEN
	if (interrupts_active) {
		/* Set ENDTX event by requesting fake (zero-length) transfer.
		 * Pointer to RAM variable (data->tx_buffer) is set because
		 * otherwise such operation may result in HardFault or RAM
		 * corruption.
		 */
		nrf_uarte_tx_buffer_set(uarte, data->tx_buffer, 0);
		nrf_uarte_task_trigger(uarte, NRF_UARTE_TASK_STARTTX);

		/* switch off transmitter to save an energy */
		nrf_uarte_task_trigger(uarte, NRF_UARTE_TASK_STOPTX);
	}
#endif /* UARTE_INTERRUPT_DRIVEN */

	return 0;
}