C++ (Cpp) set_gpio_flag Examples

Example #1

File: sandbox.c Project: Android4SAM/u-boot-at91

static int sb_gpio_free(struct udevice *dev, unsigned offset)
{
	struct gpio_state *state = dev_get_priv(dev);

	debug("%s: offset:%u\n", __func__, offset);

	if (check_reserved(dev, offset, __func__))
		return -1;

	state[offset].label = NULL;
	return set_gpio_flag(dev, offset, GPIOF_RESERVED, 0);
}

Example #2

File: sandbox.c Project: Android4SAM/u-boot-at91

static int sb_gpio_request(struct udevice *dev, unsigned offset,
			   const char *label)
{
	struct gpio_dev_priv *uc_priv = dev->uclass_priv;
	struct gpio_state *state = dev_get_priv(dev);

	debug("%s: offset:%u, label:%s\n", __func__, offset, label);

	if (offset >= uc_priv->gpio_count) {
		printf("sandbox_gpio: error: invalid gpio %u\n", offset);
		return -1;
	}

	if (get_gpio_flag(dev, offset, GPIOF_RESERVED)) {
		printf("sandbox_gpio: error: gpio %u already reserved\n",
		       offset);
		return -1;
	}

	state[offset].label = label;
	return set_gpio_flag(dev, offset, GPIOF_RESERVED, 1);
}

Example #3

File: sandbox.c Project: CDACBANG/u-boot-wingz

int sandbox_gpio_set_direction(struct udevice *dev, unsigned offset, int output)
{
	return set_gpio_flag(dev, offset, GPIOF_OUTPUT, output);
}

Example #4

File: sandbox.c Project: CDACBANG/u-boot-wingz

int sandbox_gpio_set_value(struct udevice *dev, unsigned offset, int value)
{
	return set_gpio_flag(dev, offset, GPIOF_HIGH, value);
}