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cpu/cc2538 bug fix: OE (output enable) bit was set by gpio_init_in().

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This commit is contained in:
Ian Martin 2014-10-24 14:36:06 -04:00
parent 0f36f8c09c
commit 34086fc6c6
1 changed files with 4 additions and 4 deletions
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8
cpu/cc2538/periph/gpio.c
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@ -352,9 +352,9 @@ static const uint8_t reverse_pin_lut[] = {
}; };
static const uint32_t ioc_mask_lut[] = { static const uint32_t ioc_mask_lut[] = {
[GPIO_NOPULL ] = IOC_OVERRIDE_OE, [GPIO_NOPULL ] = IOC_OVERRIDE_DIS,
[GPIO_PULLUP ] = IOC_OVERRIDE_OE | IOC_OVERRIDE_PUE, [GPIO_PULLUP ] = IOC_OVERRIDE_PUE,
[GPIO_PULLDOWN] = IOC_OVERRIDE_OE | IOC_OVERRIDE_PDE, [GPIO_PULLDOWN] = IOC_OVERRIDE_PDE,
}; };
int gpio_init_out(gpio_t dev, gpio_pp_t pushpull) int gpio_init_out(gpio_t dev, gpio_pp_t pushpull)
@ -370,7 +370,7 @@ int gpio_init_out(gpio_t dev, gpio_pp_t pushpull)
gpio_dir_output(pin); gpio_dir_output(pin);
/* configure the pin's pull resistor state */ /* configure the pin's pull resistor state */
IOC_PXX_OVER[pin] = ioc_mask_lut[pushpull]; IOC_PXX_OVER[pin] = IOC_OVERRIDE_OE | ioc_mask_lut[pushpull];
return 0; return 0;
} }