circuitpython/ports/espressif/boards/ai_thinker_esp32-c3s/board.c

63 lines
2.3 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 microDev
* Copyright (c) 2021 skieast/Bruce Segal
*
* 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 "supervisor/board.h"
#include "components/driver/include/driver/gpio.h"
#include "soc/usb_serial_jtag_struct.h"
void board_init(void) {
// Debug UART
#ifdef DEBUG
common_hal_never_reset_pin(&pin_GPIO20);
common_hal_never_reset_pin(&pin_GPIO21);
#endif
// This board has LEDs connected to the USB pins
USB_SERIAL_JTAG.conf0.usb_pad_enable = 0;
USB_SERIAL_JTAG.conf0.dp_pullup = 0;
}
bool espressif_board_reset_pin_number(gpio_num_t pin_number) {
// Pull LEDs down on reset rather than the default up
if (pin_number == 3 || pin_number == 4 || pin_number == 5 || pin_number == 18 || pin_number == 19) {
gpio_config_t cfg = {
.pin_bit_mask = BIT64(pin_number),
.mode = GPIO_MODE_DISABLE,
.pull_up_en = false,
.pull_down_en = true,
.intr_type = GPIO_INTR_DISABLE,
};
gpio_config(&cfg);
return true;
}
return false;
}
// Use the MP_WEAK supervisor/shared/board.c versions of routines not defined here.