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Fix PSoC 6 inout pins #11151

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Merged
merged 1 commit into from
Aug 6, 2019
Merged

Fix PSoC 6 inout pins #11151

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11 changes: 9 additions & 2 deletions targets/TARGET_Cypress/TARGET_PSOC6/cy_gpio_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -60,9 +60,16 @@ void gpio_mode(gpio_t *obj, PinMode mode)
}
}

void gpio_dir(MBED_UNUSED gpio_t *obj, MBED_UNUSED PinDirection direction)
void gpio_dir(gpio_t *obj, PinDirection direction)
{
// mbed reads from input buffer instead of DR even for output pins so always leave input buffer enabled
if (direction == PIN_INPUT) {
cyhal_gpio_direction(obj->pin, CYHAL_GPIO_DIR_INPUT);
gpio_mode(obj, CYHAL_GPIO_DRIVE_ANALOG);
} else if (direction == PIN_OUTPUT) {
// mbed reads from input buffer instead of DR even for output pins so always leave input buffer enabled
cyhal_gpio_direction(obj->pin, CYHAL_GPIO_DIR_BIDIRECTIONAL);
gpio_mode(obj, CYHAL_GPIO_DRIVE_STRONG);
}
}

#ifdef __cplusplus
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