From ac1f65e8f8a10bd41d8c46b8427d676bd3385551 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sat, 24 Jul 2010 09:03:11 +0000 Subject: UART driver model, no implementations yet. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2087 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/include/uart.h | 126 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 os/hal/include/uart.h (limited to 'os/hal/include') diff --git a/os/hal/include/uart.h b/os/hal/include/uart.h new file mode 100644 index 000000000..72273b2a7 --- /dev/null +++ b/os/hal/include/uart.h @@ -0,0 +1,126 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 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 . +*/ + +/** + * @file uart.h + * @brief UART Driver macros and structures. + * + * @addtogroup UART + * @{ + */ + +#ifndef _UART_H_ +#define _UART_H_ + +#if CH_HAL_USE_UART || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief Generic UART notification callback type. + */ +typedef void (*uartcb_t)(void); + +/** + * @brief Character received UART notification callback type. + * + * @param[in] c received character + */ +typedef void (*uartccb_t)(uint16_t c); + +/** + * @brief Receive error UART notification callback type. + * + * @param[in] e receive error mask + */ +typedef void (*uartecb_t)(uint16_t e); + +/** + * @brief Driver state machine possible states. + */ +typedef enum { + UART_UNINIT = 0, /**< @brief Not initialized. */ + UART_STOP = 1, /**< @brief Stopped. */ + UART_READY = 2 /**< @brief Ready. */ +} uartstate_t; + +/** + * @brief Transmitter state machine states. + */ +typedef enum { + UART_TX_IDLE = 0, /**< @brief Not transmitting. */ + UART_TX_ACTIVE = 1, /**< @brief Transmitting. */ + UART_TX_COMPLETE = 2 /**< @brief Buffer complete. */ +} uarttxstate_t; + +/** + * @brief Receiver state machine states. + */ +typedef enum { + UART_RX_IDLE = 0, /**< @brief Not receiving. */ + UART_RX_ACTIVE = 1, /**< @brief Receiving. */ + UART_TX_ERROR = 2, /**< @brief Receive error. */ + UART_TX_COMPLETE = 3 /**< @brief 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); + void uartStopSend(UARTDriver *uartp); + void uartStartReceive(UARTDriver *uartp, size_t n, void *rxbuf); + void uartStopReceive(UARTDriver *uartp); +#ifdef __cplusplus +} +#endif + +#endif /* CH_HAL_USE_UART */ + +#endif /* _UART_H_ */ + +/** @} */ -- cgit v1.2.3