C++ (Cpp) sys_clear_bit示例

示例#1

文件： soc_config.c 项目： 32bitmicro/zephyr

static int uart_ns16550_init(struct device *dev)
{
	ARG_UNUSED(dev);

#ifdef CONFIG_UART_NS16550_PORT_0
	sys_clear_bit((SCSS_REGISTER_BASE + UART_NS16550_PORT_0_INT_MASK),
		      INT_ENABLE_ARC_BIT_POS);
#endif /* CONFIG_UART_NS16550_PORT_0 */

#ifdef CONFIG_UART_NS16550_PORT_1
	sys_clear_bit((SCSS_REGISTER_BASE + UART_NS16550_PORT_1_INT_MASK),
		      INT_ENABLE_ARC_BIT_POS);
#endif /* CONFIG_UART_NS16550_PORT_1 */

	return 0;
}

示例#2

文件： gpio_dw.c 项目： EricZaluzec/zephyr

static void dw_set_bit(uint32_t base_addr, uint32_t offset,
		       uint32_t bit, uint8_t value)
{
	if (!value) {
		sys_clear_bit(base_addr + offset, bit);
	} else {
		sys_set_bit(base_addr + offset, bit);
	}
}

示例#3

文件： spi_k64.c 项目： linearregression/kernel

/**
 * @brief Enable SPI module operation.
 * @param dev Pointer to the device structure for the driver instance
 * @return None.
 */
static inline void spi_k64_start(struct device *dev)
{
	struct spi_k64_config *info = dev->config->config_info;

	/* Allow module operation */

	sys_clear_bit((info->regs + SPI_K64_REG_MCR), SPI_K64_MCR_HALT_BIT);

}

示例#4

static void set_channel_irq_state(int channel, int enable)
{
    mem_addr_t addr = QUARK_SE_IPM_MASK;
    int bit = channel + QUARK_SE_IPM_MASK_START_BIT;

    if (enable) {
        sys_clear_bit(addr, bit);
    } else {
        sys_set_bit(addr, bit);
    }
}

示例#5

文件： spi_k64.c 项目： linearregression/kernel

/**
 * @brief Resume SPI host controller operations.
 * @param dev Pointer to the device structure for the driver instance
 * @return DEV_OK if successful, another DEV_* code otherwise.
 */
static int spi_k64_resume(struct device *dev)
{
	struct spi_k64_config *info = dev->config->config_info;

	DBG("spi_k64_resume: %p\n", dev);

	/* enable module */

	sys_clear_bit((info->regs + SPI_K64_REG_MCR), SPI_K64_MCR_MDIS_BIT);

	irq_enable(info->irq);

	return DEV_OK;
}