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78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
/*
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* This file is part of Cleanflight.
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*
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* Cleanflight 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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*
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* Foobar 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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*
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* You should have received a copy of the GNU General Public License
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* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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typedef enum {
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SERIAL_NOT_INVERTED = 0,
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SERIAL_INVERTED
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} serialInversion_e;
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typedef enum portMode_t {
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MODE_RX = 1 << 0,
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MODE_TX = 1 << 1,
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MODE_RXTX = MODE_RX | MODE_TX,
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MODE_SBUS = 1 << 2,
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} portMode_t;
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typedef void (*serialReceiveCallbackPtr)(uint16_t data); // used by serial drivers to return frames to app
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typedef struct serialPort {
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const struct serialPortVTable *vTable;
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uint8_t identifier;
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portMode_t mode;
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serialInversion_e inversion;
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uint32_t baudRate;
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uint32_t rxBufferSize;
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uint32_t txBufferSize;
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volatile uint8_t *rxBuffer;
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volatile uint8_t *txBuffer;
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uint32_t rxBufferHead;
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uint32_t rxBufferTail;
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uint32_t txBufferHead;
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uint32_t txBufferTail;
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// FIXME rename member to rxCallback
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serialReceiveCallbackPtr callback;
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} serialPort_t;
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struct serialPortVTable {
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void (*serialWrite)(serialPort_t *instance, uint8_t ch);
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uint8_t (*serialTotalBytesWaiting)(serialPort_t *instance);
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uint8_t (*serialRead)(serialPort_t *instance);
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// Specified baud rate may not be allowed by an implementation, use serialGetBaudRate to determine actual baud rate in use.
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void (*serialSetBaudRate)(serialPort_t *instance, uint32_t baudRate);
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bool (*isSerialTransmitBufferEmpty)(serialPort_t *instance);
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void (*setMode)(serialPort_t *instance, portMode_t mode);
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};
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void serialWrite(serialPort_t *instance, uint8_t ch);
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uint8_t serialTotalBytesWaiting(serialPort_t *instance);
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uint8_t serialRead(serialPort_t *instance);
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void serialSetBaudRate(serialPort_t *instance, uint32_t baudRate);
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void serialSetMode(serialPort_t *instance, portMode_t mode);
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bool isSerialTransmitBufferEmpty(serialPort_t *instance);
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void serialPrint(serialPort_t *instance, const char *str);
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uint32_t serialGetBaudRate(serialPort_t *instance);
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