130 lines
4.9 KiB
C
130 lines
4.9 KiB
C
|
/*
|
||
|
|
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
|
||
|
|
2011,2012,2013 Giovanni Di Sirio.
|
||
|
|
|
||
|
|
This file is part of ChibiOS/RT.
|
||
|
|
|
||
|
|
ChibiOS/RT 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.
|
||
|
|
|
||
|
|
ChibiOS/RT 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 this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
---
|
||
|
|
|
||
|
|
A special exception to the GPL can be applied should you wish to distribute
|
||
|
|
a combined work that includes ChibiOS/RT, without being obliged to provide
|
||
|
|
the source code for any proprietary components. See the file exception.txt
|
||
|
|
for full details of how and when the exception can be applied.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @file uart.h
|
||
|
|
* @brief UART Driver macros and structures.
|
||
|
|
*
|
||
|
|
* @addtogroup UART
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _UART_H_
|
||
|
|
#define _UART_H_
|
||
|
|
|
||
|
|
#if HAL_USE_UART || defined(__DOXYGEN__)
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
/* Driver constants. */
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @name UART status flags
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
#define UART_NO_ERROR 0 /**< @brief No pending conditions. */
|
||
|
|
#define UART_PARITY_ERROR 4 /**< @brief Parity error happened. */
|
||
|
|
#define UART_FRAMING_ERROR 8 /**< @brief Framing error happened. */
|
||
|
|
#define UART_OVERRUN_ERROR 16 /**< @brief Overflow happened. */
|
||
|
|
#define UART_NOISE_ERROR 32 /**< @brief Noise on the line. */
|
||
|
|
#define UART_BREAK_DETECTED 64 /**< @brief Break detected. */
|
||
|
|
/** @} */
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
/* Driver pre-compile time settings. */
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
/* Derived constants and error checks. */
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
/* Driver data structures and types. */
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Driver state machine possible states.
|
||
|
|
*/
|
||
|
|
typedef enum {
|
||
|
|
UART_UNINIT = 0, /**< Not initialized. */
|
||
|
|
UART_STOP = 1, /**< Stopped. */
|
||
|
|
UART_READY = 2 /**< Ready. */
|
||
|
|
} uartstate_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Transmitter state machine states.
|
||
|
|
*/
|
||
|
|
typedef enum {
|
||
|
|
UART_TX_IDLE = 0, /**< Not transmitting. */
|
||
|
|
UART_TX_ACTIVE = 1, /**< Transmitting. */
|
||
|
|
UART_TX_COMPLETE = 2 /**< Buffer complete. */
|
||
|
|
} uarttxstate_t;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Receiver state machine states.
|
||
|
|
*/
|
||
|
|
typedef enum {
|
||
|
|
UART_RX_IDLE = 0, /**< Not receiving. */
|
||
|
|
UART_RX_ACTIVE = 1, /**< Receiving. */
|
||
|
|
UART_RX_COMPLETE = 2 /**< Buffer complete. */
|
||
|
|
} uartrxstate_t;
|
||
|
|
|
||
|
|
#include "uart_lld.h"
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
/* Driver macros. */
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
/*===========================================================================*/
|
||
|
|
/* External declarations. */
|
||
|
|
/*===========================================================================*/
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
void uartInit(void);
|
||
|
|
void uartObjectInit(UARTDriver *uartp);
|
||
|
|
void uartStart(UARTDriver *uartp, const UARTConfig *config);
|
||
|
|
void uartStop(UARTDriver *uartp);
|
||
|
|
void uartStartSend(UARTDriver *uartp, size_t n, const void *txbuf);
|
||
|
|
void uartStartSendI(UARTDriver *uartp, size_t n, const void *txbuf);
|
||
|
|
size_t uartStopSend(UARTDriver *uartp);
|
||
|
|
size_t uartStopSendI(UARTDriver *uartp);
|
||
|
|
void uartStartReceive(UARTDriver *uartp, size_t n, void *rxbuf);
|
||
|
|
void uartStartReceiveI(UARTDriver *uartp, size_t n, void *rxbuf);
|
||
|
|
size_t uartStopReceive(UARTDriver *uartp);
|
||
|
|
size_t uartStopReceiveI(UARTDriver *uartp);
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* HAL_USE_UART */
|
||
|
|
|
||
|
|
#endif /* _UART_H_ */
|
||
|
|
|
||
|
|
/** @} */
|