mirror of
https://github.com/betaflight/betaflight.git
synced 2025-07-24 16:55:36 +03:00
45a4f11f92
Squashed local commits: from : e4265d4a13f63f82d5cf55eea2c091622f96660b up to (inc): 72416dc74745fa8bae1aded79aa4b9ed0e389076
91 lines
2.9 KiB
C
91 lines
2.9 KiB
C
/*
|
|
* This file is part of Cleanflight.
|
|
*
|
|
* Cleanflight is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Cleanflight is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
typedef enum portMode_t {
|
|
MODE_RX = 1 << 0,
|
|
MODE_TX = 1 << 1,
|
|
MODE_RXTX = MODE_RX | MODE_TX
|
|
} portMode_t;
|
|
|
|
typedef enum portOptions_t {
|
|
SERIAL_NOT_INVERTED = 0 << 0,
|
|
SERIAL_INVERTED = 1 << 0,
|
|
SERIAL_STOPBITS_1 = 0 << 1,
|
|
SERIAL_STOPBITS_2 = 1 << 1,
|
|
SERIAL_PARITY_NO = 0 << 2,
|
|
SERIAL_PARITY_EVEN = 1 << 2,
|
|
SERIAL_UNIDIR = 0 << 3,
|
|
SERIAL_BIDIR = 1 << 3
|
|
} portOptions_t;
|
|
|
|
typedef void (*serialReceiveCallbackPtr)(uint16_t data); // used by serial drivers to return frames to app
|
|
|
|
typedef struct serialPort {
|
|
|
|
const struct serialPortVTable *vTable;
|
|
|
|
uint8_t identifier;
|
|
portMode_t mode;
|
|
portOptions_t options;
|
|
|
|
uint32_t baudRate;
|
|
|
|
uint32_t rxBufferSize;
|
|
uint32_t txBufferSize;
|
|
volatile uint8_t *rxBuffer;
|
|
volatile uint8_t *txBuffer;
|
|
uint32_t rxBufferHead;
|
|
uint32_t rxBufferTail;
|
|
uint32_t txBufferHead;
|
|
uint32_t txBufferTail;
|
|
|
|
// FIXME rename member to rxCallback
|
|
serialReceiveCallbackPtr callback;
|
|
} serialPort_t;
|
|
|
|
struct serialPortVTable {
|
|
void (*serialWrite)(serialPort_t *instance, uint8_t ch);
|
|
|
|
uint8_t (*serialTotalBytesWaiting)(serialPort_t *instance);
|
|
|
|
uint8_t (*serialRead)(serialPort_t *instance);
|
|
|
|
// Specified baud rate may not be allowed by an implementation, use serialGetBaudRate to determine actual baud rate in use.
|
|
void (*serialSetBaudRate)(serialPort_t *instance, uint32_t baudRate);
|
|
|
|
bool (*isSerialTransmitBufferEmpty)(serialPort_t *instance);
|
|
|
|
void (*setMode)(serialPort_t *instance, portMode_t mode);
|
|
|
|
// Optional functions used to buffer large writes.
|
|
void (*beginWrite)(serialPort_t *instance);
|
|
void (*endWrite)(serialPort_t *instance);
|
|
};
|
|
|
|
void serialWrite(serialPort_t *instance, uint8_t ch);
|
|
uint8_t serialTotalBytesWaiting(serialPort_t *instance);
|
|
uint8_t serialRead(serialPort_t *instance);
|
|
void serialSetBaudRate(serialPort_t *instance, uint32_t baudRate);
|
|
void serialSetMode(serialPort_t *instance, portMode_t mode);
|
|
bool isSerialTransmitBufferEmpty(serialPort_t *instance);
|
|
void serialPrint(serialPort_t *instance, const char *str);
|
|
uint32_t serialGetBaudRate(serialPort_t *instance);
|
|
|
|
void serialBeginWrite(serialPort_t *instance);
|
|
void serialEndWrite(serialPort_t *instance);
|