diff options
| author | loos <loos@FreeBSD.org> | 2016-04-19 15:18:31 +0000 |
|---|---|---|
| committer | loos <loos@FreeBSD.org> | 2016-04-19 15:18:31 +0000 |
| commit | 5404d56e1463efa28400e89b3f3a3745dfe26007 (patch) | |
| tree | 5a6672f0495ec57f65b90555bb65e14e50f993ab /lib/libgpio/gpio.c | |
| parent | 41d99db047ce9bdf5f871128e665fdbfb8ca0e9a (diff) | |
| download | FreeBSD-src-5404d56e1463efa28400e89b3f3a3745dfe26007.zip FreeBSD-src-5404d56e1463efa28400e89b3f3a3745dfe26007.tar.gz | |
Use GPIOTOGGLE to toggle the pin state instead of read, modify and write.
Diffstat (limited to 'lib/libgpio/gpio.c')
| -rw-r--r-- | lib/libgpio/gpio.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/libgpio/gpio.c b/lib/libgpio/gpio.c index 7ec0955..8170822 100644 --- a/lib/libgpio/gpio.c +++ b/lib/libgpio/gpio.c @@ -181,14 +181,14 @@ gpio_pin_set(gpio_handle_t handle, gpio_pin_t pin, gpio_value_t value) int gpio_pin_toggle(gpio_handle_t handle, gpio_pin_t pin) { - gpio_value_t value; + struct gpio_req gpreq; - value = gpio_pin_get(handle, pin); - if (value == GPIO_VALUE_INVALID) + bzero(&gpreq, sizeof(gpreq)); + gpreq.gp_pin = pin; + if (ioctl(handle, GPIOTOGGLE, &gpreq) < 0) return (-1); - value = !value; - return (gpio_pin_set(handle, pin, value)); + return (0); } int |
