circuitpython/ports/mimxrt10xx/boards/metro_m7_1011/board.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019 Scott Shawcroft for Adafruit Industries
* Copyright (c) 2019 Artur Pacholec
*
* 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 "supervisor/board.h"
#include "shared-bindings/microcontroller/Pin.h"
// These pins should never ever be reset; doing so could interfere with basic operation.
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// Used in common-hal/microcontroller/Pin.c
const mcu_pin_obj_t *mimxrt10xx_reset_forbidden_pins[] = {
// SWD Pins
&pin_GPIO_AD_13,// SWDIO
&pin_GPIO_AD_12,// SWCLK
// FLEX flash
&pin_GPIO_SD_12,
&pin_GPIO_SD_11,
&pin_GPIO_SD_10,
&pin_GPIO_SD_09,
&pin_GPIO_SD_08,
&pin_GPIO_SD_07,
&pin_GPIO_SD_06,
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NULL, // Must end in NULL.
};
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.
bool mimxrt10xx_board_reset_pin_number(const mcu_pin_obj_t *pin) {
#if CIRCUITPY_SWO_TRACE
if (pin == &pin_GPIO_AD_09) {
IOMUXC_SetPinMux( /* Add these lines*/
IOMUXC_GPIO_AD_09_ARM_TRACE_SWO,
0U);
IOMUXC_SetPinConfig( /* Add these lines*/
IOMUXC_GPIO_AD_09_ARM_TRACE_SWO,
0x00F9U);
return true;
}
#endif
return false;
}