RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2025-01-18 12:52:44 +01:00
Code Releases Activity

nrf51822: error was not checked b/c of wrong signedness

Browse Source
This commit is contained in:
René Kijewski 2014-11-24 16:16:56 +01:00
parent 96fe9f012c
commit 7d7002305d
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
cpu/nrf51822/periph/gpio.c
View File

@ -236,16 +236,14 @@ void gpio_irq_disable(gpio_t dev)
int gpio_read(gpio_t dev) int gpio_read(gpio_t dev)
{ {
uint32_t pin;
int res = -1;
/* get pin */ /* get pin */
pin = get_pin(dev); int pin = get_pin(dev);
if (pin < 0) { if (pin < 0) {
return pin; return pin;
} }
/* read pin value depending if pin is input or output */ /* read pin value depending if pin is input or output */
int res;
if (NRF_GPIO->DIR & (1 << pin)) { if (NRF_GPIO->DIR & (1 << pin)) {
res = (NRF_GPIO->OUT & (1 << pin)); res = (NRF_GPIO->OUT & (1 << pin));
} }