82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2017, 2018 Scott Shawcroft for Adafruit Industries
|
|
* Copyright (c) 2019 Lucian Copeland 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"
|
|
#include <string.h>
|
|
#include "supervisor/serial.h"
|
|
#if CPY_STM32F4
|
|
#include "stm32f4xx_hal.h"
|
|
#include "stm32f4/gpio.h"
|
|
// TODO: Switch this to using DEBUG_UART.
|
|
|
|
UART_HandleTypeDef huart2;
|
|
#endif
|
|
|
|
void port_serial_init(void) {
|
|
#if CPY_STM32F4
|
|
huart2.Instance = USART2;
|
|
huart2.Init.BaudRate = 115200;
|
|
huart2.Init.WordLength = UART_WORDLENGTH_8B;
|
|
huart2.Init.StopBits = UART_STOPBITS_1;
|
|
huart2.Init.Parity = UART_PARITY_NONE;
|
|
huart2.Init.Mode = UART_MODE_TX_RX;
|
|
huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
|
|
huart2.Init.OverSampling = UART_OVERSAMPLING_16;
|
|
if (HAL_UART_Init(&huart2) == HAL_OK) {
|
|
stm32f4_peripherals_status_led(1, 1);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
bool port_serial_connected(void) {
|
|
return true;
|
|
}
|
|
|
|
char port_serial_read(void) {
|
|
#if CPY_STM32F4
|
|
uint8_t data;
|
|
HAL_UART_Receive(&huart2, &data, 1, 500);
|
|
return data;
|
|
#else
|
|
return -1;
|
|
#endif
|
|
}
|
|
|
|
bool port_serial_bytes_available(void) {
|
|
#if CPY_STM32F4
|
|
return __HAL_UART_GET_FLAG(&huart2, UART_FLAG_RXNE);
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
void port_serial_write_substring(const char *text, uint32_t len) {
|
|
#if CPY_STM32F4
|
|
HAL_UART_Transmit(&huart2, (uint8_t *)text, len, 5000);
|
|
#endif
|
|
}
|