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Merge pull request #7303 from dailab/gpioIntFix

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Gpio Interrupt fix for the CC2538
This commit is contained in:
Sebastian Meiling 2017-07-04 14:07:16 +02:00 committed by GitHub
commit e91c077ae0
1 changed files with 3 additions and 3 deletions
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6
cpu/cc2538/periph/gpio.c
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@ -98,7 +98,7 @@ int gpio_init_int(gpio_t pin, gpio_mode_t mode, gpio_flank_t flank,
isr_ctx[port_num(pin)][pin_num(pin)].arg = arg;
/* enable power-up interrupts for this GPIO port: */
SYS_CTRL->IWE |= port_num(pin);
SYS_CTRL->IWE |= (1 << port_num(pin));
/* configure the active flank(s) */
gpio(pin)->IS &= ~pin_mask(pin);
@ -111,7 +111,7 @@ int gpio_init_int(gpio_t pin, gpio_mode_t mode, gpio_flank_t flank,
case GPIO_RISING:
gpio(pin)->IBE &= ~pin_mask(pin);
gpio(pin)->IEV |= pin_mask(pin);
gpio(pin)->P_EDGE_CTRL &= (1 << pp_num(pin));
gpio(pin)->P_EDGE_CTRL &= ~(1 << pp_num(pin));
break;
case GPIO_BOTH:
gpio(pin)->IBE |= pin_mask(pin);
@ -175,7 +175,7 @@ static inline void handle_isr(cc2538_gpio_t *gpio, int port_num)
{
uint32_t state = gpio->MIS;
gpio->IC = 0x000000ff;
gpio->IRQ_DETECT_ACK = 0x000000ff;
gpio->IRQ_DETECT_ACK = (0xff << (port_num * GPIO_BITS_PER_PORT));
for (int i = 0; i < GPIO_BITS_PER_PORT; i++) {
if (state & (1 << i)) {