circuitpython/ports/broadcom/common-hal/microcontroller/Pin.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Scott Shawcroft for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "shared-bindings/microcontroller/Pin.h"
#include "peripherals/broadcom/gpio.h"
void reset_all_pins(void) {
}
void never_reset_pin_number(uint8_t pin_number) {
}
void reset_pin_number(uint8_t pin_number) {
gpio_set_function(pin_number, 0);
}
void common_hal_never_reset_pin(const mcu_pin_obj_t *pin) {
never_reset_pin_number(pin->number);
}
void common_hal_reset_pin(const mcu_pin_obj_t *pin) {
reset_pin_number(pin->number);
}
void claim_pin(const mcu_pin_obj_t *pin) {
// Nothing to do because all changes will set the GPIO settings.
}
bool pin_number_is_free(uint8_t pin_number) {
return true;
}
bool common_hal_mcu_pin_is_free(const mcu_pin_obj_t *pin) {
return pin_number_is_free(pin->number);
}
uint8_t common_hal_mcu_pin_number(const mcu_pin_obj_t *pin) {
return pin->number;
}
void common_hal_mcu_pin_claim(const mcu_pin_obj_t *pin) {
return claim_pin(pin);
}
void common_hal_mcu_pin_reset_number(uint8_t pin_no) {
reset_pin_number(pin_no);
}
#define PIN(num) \
const mcu_pin_obj_t pin_GPIO##num = { \
{ &mcu_pin_type }, \
.number = num \
};
PIN(0)
PIN(1)
PIN(2)
PIN(3)
PIN(4)
PIN(5)
PIN(6)
PIN(7)
PIN(8)
PIN(9)
PIN(10)
PIN(11)
PIN(12)
PIN(13)
PIN(14)
PIN(15)
PIN(16)
PIN(17)
PIN(18)
PIN(19)
PIN(20)
PIN(21)
PIN(22)
PIN(23)
PIN(24)
PIN(25)
PIN(26)
PIN(27)
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PIN(28)
PIN(29)
PIN(30)
PIN(31)
PIN(32)
PIN(33)
PIN(34)
PIN(35)
PIN(36)
PIN(37)
PIN(38)
PIN(39)
PIN(40)
PIN(41)
PIN(42)
PIN(43)
PIN(44)
PIN(45)
PIN(46)
PIN(47)
PIN(48)
PIN(49)
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PIN(50)
PIN(51)
PIN(52)
PIN(53)
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PIN(54)
PIN(55)
PIN(56)
PIN(57)