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comment why it's this way

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This commit is contained in:
Jeff Epler 2022-09-28 14:15:30 -05:00
parent 4380292848
commit bc63f9370a
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shared-bindings/digitalio/DigitalInOut.c
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@ -89,6 +89,9 @@ STATIC mp_obj_t digitalio_digitalinout_make_new(const mp_obj_type_t *type,
self->base.type = &digitalio_digitalinout_type; self->base.type = &digitalio_digitalinout_type;
#if CIRCUITPY_CYW43 #if CIRCUITPY_CYW43
// The GPIO pin attached to the CYW43 co-processor can only be used for
// DigitalInOut, not for other purposes like PWM. That's why this check
// is here, and it's not rolled into validate_obj_is_free_pin.
const mcu_pin_obj_t *pin = validate_obj_is_free_pin_including_cyw43(args[0]); const mcu_pin_obj_t *pin = validate_obj_is_free_pin_including_cyw43(args[0]);
#else #else
const mcu_pin_obj_t *pin = validate_obj_is_free_pin(args[0]); const mcu_pin_obj_t *pin = validate_obj_is_free_pin(args[0]);