C++ (Cpp) gpio_cs_init Examples

Example #1

File: spi_qmsi.c Project: CurieBSP/zephyr

static int spi_qmsi_init(struct device *dev)
{
	struct spi_qmsi_config *spi_config = dev->config->config_info;
	struct spi_qmsi_runtime *context = dev->driver_data;

	dev->driver_api = &spi_qmsi_api;

	switch (spi_config->spi) {
	case QM_SPI_MST_0:
		IRQ_CONNECT(CONFIG_SPI_QMSI_PORT_0_IRQ,
			    CONFIG_SPI_QMSI_PORT_0_PRI, qm_spi_master_0_isr,
			    0, IOAPIC_LEVEL | IOAPIC_HIGH);
		irq_enable(CONFIG_SPI_QMSI_PORT_0_IRQ);
		clk_periph_enable(CLK_PERIPH_CLK | CLK_PERIPH_SPI_M0_REGISTER);
		QM_SCSS_INT->int_spi_mst_0_mask &= ~BIT(0);
		break;
	case QM_SPI_MST_1:
		IRQ_CONNECT(CONFIG_SPI_QMSI_PORT_1_IRQ,
			    CONFIG_SPI_QMSI_PORT_1_PRI, qm_spi_master_1_isr,
			    0, IOAPIC_LEVEL | IOAPIC_HIGH);
		irq_enable(CONFIG_SPI_QMSI_PORT_1_IRQ);
		clk_periph_enable(CLK_PERIPH_CLK | CLK_PERIPH_SPI_M1_REGISTER);
		QM_SCSS_INT->int_spi_mst_1_mask &= ~BIT(0);
		break;
	default:
		return DEV_FAIL;
	}

	context->gpio_cs = gpio_cs_init(spi_config);

	device_sync_call_init(&context->sync);

	return DEV_OK;
}

Example #2

File: spi_qmsi.c Project: rsalveti/zephyr

static int spi_qmsi_init(struct device *dev)
{
	const struct spi_qmsi_config *spi_config = dev->config->config_info;
	struct spi_qmsi_runtime *context = dev->driver_data;

	switch (spi_config->spi) {
	case QM_SPI_MST_0:
		IRQ_CONNECT(IRQ_GET_NUMBER(QM_IRQ_SPI_MASTER_0_INT),
			    CONFIG_SPI_0_IRQ_PRI, qm_spi_master_0_isr,
			    0, IOAPIC_LEVEL | IOAPIC_HIGH);
		irq_enable(IRQ_GET_NUMBER(QM_IRQ_SPI_MASTER_0_INT));
		clk_periph_enable(CLK_PERIPH_CLK | CLK_PERIPH_SPI_M0_REGISTER);
		QM_IR_UNMASK_INTERRUPTS(
				QM_INTERRUPT_ROUTER->spi_master_0_int_mask);
		break;

#ifdef CONFIG_SPI_1
	case QM_SPI_MST_1:
		IRQ_CONNECT(IRQ_GET_NUMBER(QM_IRQ_SPI_MASTER_1_INT),
			    CONFIG_SPI_1_IRQ_PRI, qm_spi_master_1_isr,
			    0, IOAPIC_LEVEL | IOAPIC_HIGH);
		irq_enable(IRQ_GET_NUMBER(QM_IRQ_SPI_MASTER_1_INT));
		clk_periph_enable(CLK_PERIPH_CLK | CLK_PERIPH_SPI_M1_REGISTER);
		QM_IR_UNMASK_INTERRUPTS(
				QM_INTERRUPT_ROUTER->spi_master_1_int_mask);
		break;
#endif /* CONFIG_SPI_1 */

	default:
		return -EIO;
	}

	context->gpio_cs = gpio_cs_init(spi_config);

	k_sem_init(&context->device_sync_sem, 0, UINT_MAX);
	k_sem_init(&context->sem, 1, UINT_MAX);

	spi_master_set_power_state(dev, DEVICE_PM_ACTIVE_STATE);

	dev->driver_api = &spi_qmsi_api;
	return 0;
}