C++ (Cpp) _spi_config_cs Beispiele

Beispiel #1

Datei: spi_dw.c Projekt: coldnew/zephyr-project-fork

int spi_dw_init(struct device *dev)
{
	struct spi_dw_config *info = dev->config->config_info;
	struct spi_dw_data *spi = dev->driver_data;

	_clock_config(dev);
	_clock_on(dev);

#ifndef CONFIG_SOC_QUARK_SE_SS
	if (read_ssi_comp_version(info->regs) != DW_SSI_COMP_VERSION) {
		_clock_off(dev);
		return DEV_NOT_CONFIG;
	}
#endif

	dev->driver_api = &dw_spi_api;

	info->config_func();

	device_sync_call_init(&spi->sync);

	_spi_config_cs(dev);

	/* Masking interrupt and making sure controller is disabled */
	write_imr(DW_SPI_IMR_MASK, info->regs);
	clear_bit_ssienr(info->regs);

	DBG("Designware SPI driver initialized on device: %p\n", dev);

	return DEV_OK;
}

Beispiel #2

Datei: spi_dw_legacy.c Projekt: zmole945/zephyr

int spi_dw_init(struct device *dev)
{
	const struct spi_dw_config *info = dev->config->config_info;
	struct spi_dw_data *spi = dev->driver_data;

	_clock_config(dev);
	_clock_on(dev);

	info->config_func();

	k_sem_init(&spi->device_sync_sem, 0, UINT_MAX);

	_spi_config_cs(dev);

	/* Masking interrupt and making sure controller is disabled */
	write_imr(DW_SPI_IMR_MASK, info->regs);
	clear_bit_ssienr(info->regs);

	SYS_LOG_DBG("Designware SPI driver initialized on device: %p", dev);

	return 0;
}