You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
200 lines
4.2 KiB
200 lines
4.2 KiB
// Copyright 2024 Stefan Kerkmann
|
|
// Copyright 2021 QMK
|
|
// Copyright 2024 Stefan Kerkmann
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
#include <hal.h>
|
|
|
|
#include "gpio.h"
|
|
#include "chibios_config.h"
|
|
|
|
// ======== DEPRECATED DEFINES - DO NOT USE ========
|
|
#ifdef SERIAL_DRIVER
|
|
# define UART_DRIVER SERIAL_DRIVER
|
|
#endif
|
|
#ifdef SD1_TX_PIN
|
|
# define UART_TX_PIN SD1_TX_PIN
|
|
#endif
|
|
#ifdef SD1_RX_PIN
|
|
# define UART_RX_PIN SD1_RX_PIN
|
|
#endif
|
|
#ifdef SD1_CTS_PIN
|
|
# define UART_CTS_PIN SD1_CTS_PIN
|
|
#endif
|
|
#ifdef SD1_RTS_PIN
|
|
# define UART_RTS_PIN SD1_RTS_PIN
|
|
#endif
|
|
#ifdef SD1_TX_PAL_MODE
|
|
# define UART_TX_PAL_MODE SD1_TX_PAL_MODE
|
|
#endif
|
|
#ifdef SD1_RX_PAL_MODE
|
|
# define UART_RX_PAL_MODE SD1_RX_PAL_MODE
|
|
#endif
|
|
#ifdef SD1_CTS_PAL_MODE
|
|
# define UART_RTS_PAL_MODE SD1_CTS_PAL_MODE
|
|
#endif
|
|
#ifdef SD1_RTS_PAL_MODE
|
|
# define UART_TX_PAL_MODE SD1_RTS_PAL_MODE
|
|
#endif
|
|
#ifdef SD1_CR1
|
|
# define UART_CR1 SD1_CR1
|
|
#endif
|
|
#ifdef SD1_CR2
|
|
# define UART_CR2 SD1_CR2
|
|
#endif
|
|
#ifdef SD1_CR3
|
|
# define UART_CR3 SD1_CR3
|
|
#endif
|
|
#ifdef SD1_WRDLEN
|
|
# define UART_WRDLEN SD1_WRDLEN
|
|
#endif
|
|
#ifdef SD1_STPBIT
|
|
# define UART_STPBIT SD1_STPBIT
|
|
#endif
|
|
#ifdef SD1_PARITY
|
|
# define UART_PARITY SD1_PARITY
|
|
#endif
|
|
#ifdef SD1_ATFLCT
|
|
# define UART_ATFLCT SD1_ATFLCT
|
|
#endif
|
|
// ========
|
|
|
|
#ifndef UART_DRIVER
|
|
# if (HAL_USE_SERIAL == TRUE)
|
|
# define UART_DRIVER SD1
|
|
# elif (HAL_USE_SIO == TRUE)
|
|
# define UART_DRIVER SIOD1
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef UART_TX_PIN
|
|
# define UART_TX_PIN A9
|
|
#endif
|
|
|
|
#ifndef UART_RX_PIN
|
|
# define UART_RX_PIN A10
|
|
#endif
|
|
|
|
#ifndef UART_CTS_PIN
|
|
# define UART_CTS_PIN A11
|
|
#endif
|
|
|
|
#ifndef UART_RTS_PIN
|
|
# define UART_RTS_PIN A12
|
|
#endif
|
|
|
|
#ifdef USE_GPIOV1
|
|
# ifndef UART_TX_PAL_MODE
|
|
# define UART_TX_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
|
|
# endif
|
|
# ifndef UART_RX_PAL_MODE
|
|
# define UART_RX_PAL_MODE PAL_MODE_INPUT
|
|
# endif
|
|
# ifndef UART_CTS_PAL_MODE
|
|
# define UART_CTS_PAL_MODE PAL_MODE_INPUT
|
|
# endif
|
|
# ifndef UART_RTS_PAL_MODE
|
|
# define UART_RTS_PAL_MODE PAL_MODE_ALTERNATE_PUSHPULL
|
|
# endif
|
|
#else
|
|
# ifndef UART_TX_PAL_MODE
|
|
# define UART_TX_PAL_MODE 7
|
|
# endif
|
|
|
|
# ifndef UART_RX_PAL_MODE
|
|
# define UART_RX_PAL_MODE 7
|
|
# endif
|
|
|
|
# ifndef UART_CTS_PAL_MODE
|
|
# define UART_CTS_PAL_MODE 7
|
|
# endif
|
|
|
|
# ifndef UART_RTS_PAL_MODE
|
|
# define UART_RTS_PAL_MODE 7
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef UART_CR1
|
|
# define UART_CR1 0
|
|
#endif
|
|
|
|
#ifndef UART_CR2
|
|
# define UART_CR2 0
|
|
#endif
|
|
|
|
#ifndef UART_CR3
|
|
# define UART_CR3 0
|
|
#endif
|
|
|
|
#ifndef UART_WRDLEN
|
|
# define UART_WRDLEN 3
|
|
#endif
|
|
|
|
#ifndef UART_STPBIT
|
|
# define UART_STPBIT 0
|
|
#endif
|
|
|
|
#ifndef UART_PARITY
|
|
# define UART_PARITY 0
|
|
#endif
|
|
|
|
#ifndef UART_ATFLCT
|
|
# define UART_ATFLCT 0
|
|
#endif
|
|
|
|
/**
|
|
* @brief Initialize the UART driver. This function must be called only once,
|
|
* before any of the below functions can be called.
|
|
*
|
|
* @param baud The baud rate to transmit and receive at. This may depend on the
|
|
* device you are communicating with. Common values are 1200, 2400, 4800, 9600,
|
|
* 19200, 38400, 57600, and 115200.
|
|
*/
|
|
void uart_init(uint32_t baud);
|
|
|
|
/**
|
|
* @brief Transmit a single byte.
|
|
*
|
|
* @param data The byte to transmit.
|
|
*/
|
|
void uart_write(uint8_t data);
|
|
|
|
/**
|
|
* @brief Receive a single byte.
|
|
*
|
|
* @return uint8_t The byte read from the receive buffer. This function will
|
|
* block if the buffer is empty (ie. no data to read).
|
|
*/
|
|
uint8_t uart_read(void);
|
|
|
|
/**
|
|
* @brief Transmit multiple bytes.
|
|
*
|
|
* @param data A pointer to the data to write from.
|
|
* @param length The number of bytes to write. Take care not to overrun the
|
|
* length of `data`.
|
|
*/
|
|
void uart_transmit(const uint8_t *data, uint16_t length);
|
|
|
|
/**
|
|
* @brief Receive multiple bytes.
|
|
*
|
|
* @param data A pointer to the buffer to read into.
|
|
* @param length The number of bytes to read. Take care not to overrun the
|
|
* length of `data`.
|
|
*/
|
|
void uart_receive(uint8_t *data, uint16_t length);
|
|
|
|
/**
|
|
* @brief Return whether the receive buffer contains data. Call this function
|
|
* to determine if `uart_read()` will return data immediately.
|
|
*
|
|
* @return true If there is data available to read.
|
|
* @return false If there is no data available to read.
|
|
*/
|
|
bool uart_available(void);
|