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gpio_toggle(): Add support for multiple GPIOs.

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Thanks Marko Kraljevic <krasnaya.zvezda@gmail.com> for the patch!
This commit is contained in:
Uwe Hermann 2011-02-09 01:53:53 +01:00
parent d67795f383
commit e0a488f586
1 changed files with 3 additions and 7 deletions
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10
lib/stm32/gpio.c
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@ -26,7 +26,7 @@
* gpio_set(GPIOB, GPIO4);
* gpio_clear(GPIOG, GPIO2 | GPIO9);
* gpio_get(GPIOC, GPIO1);
* gpio_toggle(GPIOA, GPIO7);
* gpio_toggle(GPIOA, GPIO7 | GPIO8);
* reg16 = gpio_port_read(GPIOD);
* gpio_port_write(GPIOF, 0xc8fe);
*
@ -88,13 +88,9 @@ u16 gpio_get(u32 gpioport, u16 gpios)
return gpio_port_read(gpioport) & gpios;
}
/* TODO: Should work for multiple GPIOs? */
void gpio_toggle(u32 gpioport, u16 gpio)
void gpio_toggle(u32 gpioport, u16 gpios)
{
if ((gpio_port_read(gpioport) & gpio) == gpio)
gpio_clear(gpioport, gpio);
else
gpio_set(gpioport, gpio);
GPIO_ODR(gpioport) = GPIO_IDR(gpioport) ^ gpios;
}
u16 gpio_port_read(u32 gpioport)