128 lines
3.2 KiB
C
128 lines
3.2 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 "py/mphal.h"
|
|
|
|
#if (MICROPY_PY_BLE_NUS == 1)
|
|
#include "ble_uart.h"
|
|
#else
|
|
#include "nrf_gpio.h"
|
|
#include "nrfx_uarte.h"
|
|
#endif
|
|
|
|
#if (MICROPY_PY_BLE_NUS == 1)
|
|
|
|
void serial_init(void) {
|
|
ble_uart_init();
|
|
}
|
|
|
|
bool serial_connected(void) {
|
|
return ble_uart_connected();
|
|
}
|
|
|
|
char serial_read(void) {
|
|
return (char) ble_uart_rx_chr();
|
|
}
|
|
|
|
bool serial_bytes_available(void) {
|
|
return ble_uart_stdin_any();
|
|
}
|
|
|
|
void serial_write(const char *text) {
|
|
ble_uart_stdout_tx_str(text);
|
|
}
|
|
|
|
#elif !defined(NRF52840_XXAA)
|
|
|
|
uint8_t serial_received_char;
|
|
nrfx_uarte_t serial_instance = NRFX_UARTE_INSTANCE(0);
|
|
|
|
void serial_init(void) {
|
|
nrfx_uarte_config_t config = {
|
|
.pseltxd = MICROPY_HW_UART_TX,
|
|
.pselrxd = MICROPY_HW_UART_RX,
|
|
.pselcts = NRF_UARTE_PSEL_DISCONNECTED,
|
|
.pselrts = NRF_UARTE_PSEL_DISCONNECTED,
|
|
.p_context = NULL,
|
|
.hwfc = NRF_UARTE_HWFC_DISABLED,
|
|
.parity = NRF_UARTE_PARITY_EXCLUDED,
|
|
.baudrate = NRF_UARTE_BAUDRATE_115200,
|
|
.interrupt_priority = 7
|
|
};
|
|
|
|
nrfx_uarte_uninit(&serial_instance);
|
|
const nrfx_err_t err = nrfx_uarte_init(&serial_instance, &config, NULL); // no callback for blocking mode
|
|
|
|
if (err != NRFX_SUCCESS) {
|
|
NRFX_ASSERT(err);
|
|
}
|
|
|
|
// enabled receiving
|
|
nrf_uarte_task_trigger(serial_instance.p_reg, NRF_UARTE_TASK_STARTRX);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
#else
|
|
|
|
#include "tusb.h"
|
|
|
|
void serial_init(void) {
|
|
// usb is already initialized in board_init()
|
|
}
|
|
|
|
bool serial_connected(void) {
|
|
return tud_cdc_connected();
|
|
}
|
|
|
|
char serial_read(void) {
|
|
return (char) tud_cdc_read_char();
|
|
}
|
|
|
|
bool serial_bytes_available(void) {
|
|
return tud_cdc_available() > 0;
|
|
}
|
|
|
|
void serial_write(const char* text) {
|
|
tud_cdc_write(text, strlen(text));
|
|
}
|
|
|
|
#endif
|