kopia lustrzana https://github.com/sq8vps/vp-digi
115 wiersze
2.6 KiB
C
115 wiersze
2.6 KiB
C
/*
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Copyright 2020-2023 Piotr Wilkon
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This file is part of VP-Digi.
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VP-Digi is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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VP-Digi is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with VP-Digi. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef UART_H_
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#define UART_H_
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#include <stdint.h>
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#include "usbd_cdc_if.h"
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#include "ax25.h"
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#include "drivers/uart_ll.h"
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#define UART_BUFFER_SIZE 130
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enum UartMode
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{
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MODE_KISS,
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MODE_TERM,
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MODE_MONITOR,
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};
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enum UartDataType
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{
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DATA_NOTHING = 0,
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DATA_TERM,
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DATA_KISS,
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DATA_USB,
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};
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typedef struct
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{
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volatile USART_TypeDef *port; //UART peripheral
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uint32_t baudrate; //baudrate 1200-115200
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enum UartDataType rxType; //rx status
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uint8_t enabled : 1;
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uint8_t isUsb : 1;
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volatile uint8_t rxBuffer[UART_BUFFER_SIZE];
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volatile uint16_t rxBufferHead;
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uint8_t txBuffer[UART_BUFFER_SIZE];
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volatile uint16_t txBufferHead, txBufferTail;
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volatile uint8_t txBufferFull : 1;
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enum UartMode mode;
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enum UartMode defaultMode;
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volatile uint16_t lastRxBufferHead; //for special characters handling
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volatile uint8_t kissBuffer[AX25_FRAME_MAX_SIZE + 1];
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volatile uint16_t kissBufferHead;
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volatile uint8_t kissProcessingOngoing;
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volatile uint8_t kissTempBuffer[10];
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volatile uint16_t kissTempBufferHead;
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} Uart;
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extern Uart Uart1, Uart2, UartUsb;
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/**
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* @brief Send byte
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* @param[in] *port UART
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* @param[in] data Data
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*/
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void UartSendByte(Uart *port, uint8_t data);
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/**
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* @brief Send string
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* @param *port UART
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* @param *data Buffer
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* @param len Buffer length or 0 for null-terminated string
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*/
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void UartSendString(Uart *port, void *data, uint16_t datalen);
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/**
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* @brief Send signed number
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* @param *port UART
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* @param n Number
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*/
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void UartSendNumber(Uart *port, int32_t n);
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/**
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* @brief Initialize UART structures
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* @param *port UART [prt
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* @param *uart Physical UART peripheral. NULL if USB in CDC mode
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* @param baud Baudrate
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*/
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void UartInit(Uart *port, USART_TypeDef *uart, uint32_t baud);
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/**
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* @brief Configure and enable/disable UART
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* @param *port UART port
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* @param state 0 - disable, 1 - enable
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*/
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void UartConfig(Uart *port, uint8_t state);
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/**
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* @brief Clear RX buffer and flags
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* @param *port UART port
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*/
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void UartClearRx(Uart *port);
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#endif
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