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

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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
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6
cpu/nrf51822/periph/gpio.c
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@ -236,16 +236,14 @@ void gpio_irq_disable(gpio_t dev)
int gpio_read(gpio_t dev)
{
uint32_t pin;
int res = -1;
/* get pin */
pin = get_pin(dev);
int pin = get_pin(dev);
if (pin < 0) {
return pin;
}
/* read pin value depending if pin is input or output */
int res;
if (NRF_GPIO->DIR & (1 << pin)) {
res = (NRF_GPIO->OUT & (1 << pin));
}