circuitpython/ports/espressif/supervisor/serial.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2022 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 "py/mpconfig.h"
#include "supervisor/serial.h"
#if CIRCUITPY_ESP_USB_SERIAL_JTAG && CIRCUITPY_CONSOLE_UART
#error CIRCUITPY_ESP_USB_SERIAL_JTAG and CIRCUITPY_CONSOLE_UART cannot both be enabled.
#endif
#if CIRCUITPY_ESP_USB_SERIAL_JTAG
#include "supervisor/usb_serial_jtag.h"
#endif
void port_serial_init(void) {
#if CIRCUITPY_ESP_USB_SERIAL_JTAG
usb_serial_jtag_init();
#endif
}
bool port_serial_connected(void) {
#if CIRCUITPY_ESP_USB_SERIAL_JTAG
return usb_serial_jtag_connected();
#else
return false;
#endif
}
char port_serial_read(void) {
#if CIRCUITPY_ESP_USB_SERIAL_JTAG
if (usb_serial_jtag_bytes_available() > 0) {
return usb_serial_jtag_read_char();
}
#endif
return -1;
}
bool port_serial_bytes_available(void) {
#if CIRCUITPY_ESP_USB_SERIAL_JTAG
return usb_serial_jtag_bytes_available();
#else
return false;
#endif
}
void port_serial_write_substring(const char *text, uint32_t length) {
#if CIRCUITPY_ESP_USB_SERIAL_JTAG
usb_serial_jtag_write(text, length);
#endif
}