circuitpython/ports/nrf/supervisor/serial.c
2018-07-08 16:42:04 +02:00

81 lines
2.3 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 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 "mphalport.h"
#if MICROPY_PY_BLE_NUS
#include "ble_uart.h"
#else
#include "nrf_gpio.h"
#include "pin.h"
#endif
#define INST_NO 0
nrfx_uart_t serial_instance = NRFX_UART_INSTANCE(INST_NO);
void serial_init(void) {
#if MICROPY_PY_BLE_NUS
ble_uart_init0();
while (!ble_uart_enabled()) {
;
}
#else
nrfx_uart_config_t config = NRFX_UART_DEFAULT_CONFIG;
config.pseltxd = MICROPY_HW_UART_TX;
config.pselrxd = MICROPY_HW_UART_RX;
config.hwfc = MICROPY_HW_UART_HWFC ? NRF_UART_HWFC_ENABLED : NRF_UART_HWFC_DISABLED;
#ifdef MICROPY_HW_UART_CTS
config.pselcts = MICROPY_HW_UART_CTS;
#endif
#ifdef MICROPY_HW_UART_RTS
config.pselrts = MICROPY_HW_UART_RTS;
#endif
const nrfx_err_t err = nrfx_uart_init(&serial_instance, &config, NULL);
if (err == NRFX_SUCCESS)
NRFX_ASSERT(err);
nrfx_uart_rx_enable(&serial_instance);
#endif
}
bool serial_connected(void) {
return true;
}
char serial_read(void) {
return (char) mp_hal_stdin_rx_chr();
}
bool serial_bytes_available(void) {
return mp_hal_stdin_any();
}
void serial_write(const char *text) {
mp_hal_stdout_tx_str(text);
}