C++ (Cpp) dm355evm_msp_write Examples

Example #1

File: rtc-dm355evm.c Project: DirtyDroidX/android_kernel_htc_m8ul

static int dm355evm_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
	union evm_time	time;
	unsigned long	value;
	int		status;

	rtc_tm_to_time(tm, &value);
	time.value = cpu_to_le32(value);

	dev_dbg(dev, "write timestamp %08x\n", time.value);

	status = dm355evm_msp_write(time.bytes[0], DM355EVM_MSP_RTC_0);
	if (status < 0)
		return status;

	status = dm355evm_msp_write(time.bytes[1], DM355EVM_MSP_RTC_1);
	if (status < 0)
		return status;

	status = dm355evm_msp_write(time.bytes[2], DM355EVM_MSP_RTC_2);
	if (status < 0)
		return status;

	status = dm355evm_msp_write(time.bytes[3], DM355EVM_MSP_RTC_3);
	if (status < 0)
		return status;

	return 0;
}

Example #2

File: rtc-dm355evm.c Project: avagin/linux

static int dm355evm_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
	union evm_time	time;
	unsigned long	value;
	int		status;

	value = rtc_tm_to_time64(tm);
	time.value = cpu_to_le32(value);

	dev_dbg(dev, "write timestamp %08x\n", time.value);

	/*
	 * REVISIT handle non-atomic writes ... maybe just retry until
	 * byte[1] sticks (no rollover)?
	 */
	status = dm355evm_msp_write(time.bytes[0], DM355EVM_MSP_RTC_0);
	if (status < 0)
		return status;

	status = dm355evm_msp_write(time.bytes[1], DM355EVM_MSP_RTC_1);
	if (status < 0)
		return status;

	status = dm355evm_msp_write(time.bytes[2], DM355EVM_MSP_RTC_2);
	if (status < 0)
		return status;

	status = dm355evm_msp_write(time.bytes[3], DM355EVM_MSP_RTC_3);
	if (status < 0)
		return status;

	return 0;
}

Example #3

static int msp_gpio_out(struct gpio_chip *chip, unsigned offset, int value)
{
    int mask, bits;


    if (MSP_GPIO_REG(offset) != DM355EVM_MSP_LED)
        return -EINVAL;

    mask = MSP_GPIO_MASK(offset);
    bits = msp_led_cache;

    bits &= ~mask;
    if (value)
        bits |= mask;
    msp_led_cache = bits;

    return dm355evm_msp_write(bits, DM355EVM_MSP_LED);
}

Example #4

File: dm355evm_msp.c Project: johnny/CobraDroidBeta

static int msp_gpio_out(struct gpio_chip *chip, unsigned offset, int value)
{
	int mask, bits;

	/* NOTE:  there are some other signals that could be
	 * packaged as output GPIOs, but they aren't as useful
	 * as the LEDs ... so for now we don't.
	 */
	if (MSP_GPIO_REG(offset) != DM355EVM_MSP_LED)
		return -EINVAL;

	mask = MSP_GPIO_MASK(offset);
	bits = msp_led_cache;

	bits &= ~mask;
	if (value)
		bits |= mask;
	msp_led_cache = bits;

	return dm355evm_msp_write(bits, DM355EVM_MSP_LED);
}