qmk_firmware/platforms/chibios/drivers/serial_protocol.h

50 lines
1.4 KiB
C

// Copyright 2022 Stefan Kerkmann
// SPDX-License-Identifier: GPL-2.0-or-later
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#pragma once
/**
* @brief Clears any intermediate sending or receiving state of the driver to a known good
* state. This happens after errors in the middle of transactions, to start with
* a clean slate.
*/
void serial_transport_driver_clear(void);
/**
* @brief Driver specific initialization on the slave half.
*/
void serial_transport_driver_slave_init(void);
/**
* @brief Driver specific specific initialization on the master half.
*/
void serial_transport_driver_master_init(void);
/**
* @brief Blocking receive of size * bytes.
*
* @return true Receive success.
* @return false Receive failed, e.g. by bit errors.
*/
bool __attribute__((nonnull, hot)) serial_transport_receive(uint8_t* destination, const size_t size);
/**
* @brief Blocking receive of size * bytes with an implicitly defined timeout.
*
* @return true Receive success.
* @return false Receive failed, e.g. by timeout or bit errors.
*/
bool __attribute__((nonnull, hot)) serial_transport_receive_blocking(uint8_t* destination, const size_t size);
/**
* @brief Blocking send of buffer with timeout.
*
* @return true Send success.
* @return false Send failed, e.g. by timeout or bit errors.
*/
bool __attribute__((nonnull, hot)) serial_transport_send(const uint8_t* source, const size_t size);