00001 #ifndef _DEV_UARTSPI_H_ 00002 #define _DEV_UARTSPI_H_ 00003 00004 /* 00005 * Copyright (C) 2001-2003 by egnite Software GmbH. All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * 1. Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * 2. Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in the 00015 * documentation and/or other materials provided with the distribution. 00016 * 3. Neither the name of the copyright holders nor the names of 00017 * contributors may be used to endorse or promote products derived 00018 * from this software without specific prior written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS 00021 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00022 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00023 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE 00024 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00025 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00026 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 00027 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 00028 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00029 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00030 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00031 * SUCH DAMAGE. 00032 * 00033 * For additional information see http://www.ethernut.de/ 00034 */ 00035 00036 #include <sys/device.h> 00037 00045 #ifdef __cplusplus 00046 extern "C" { 00047 #endif 00048 00049 /* 00050 * \addtogroup xgUartSpi 00051 */ 00054 /* 00055 * UART device control block type. 00056 */ 00057 typedef struct _UARTSDCB UARTSDCB; 00058 00059 /* 00060 * \struct _UARTSDCB uartspi.h dev/uartspi.h 00061 * \brief UART device control block structure. 00062 */ 00063 struct _UARTSDCB { 00064 /* \brief Baudrate selector. 00065 * 00066 * See devices datasheet for further details. 00067 */ 00068 uint8_t dcb_baudSelect; 00069 00070 /* \brief Mode. 00071 * - xxxx xxx0 8 bit 00072 * - xxxx xxx1 7 bit 00073 * - xxxx x0xx No parity bit 00074 * - xxxx x10x Even parity 00075 * - xxxx x11x Odd parity 00076 */ 00077 uint8_t dcb_mode; 00078 00079 /* \brief Read timeout. 00080 */ 00081 uint32_t dcb_rtimeout; 00082 00083 /* \brief Write timeout. 00084 */ 00085 uint32_t dcb_wtimeout; 00086 00087 /* \brief Configuration flag. 00088 * Set if device has been configured. 00089 */ 00090 volatile uint8_t dcb_configured; 00091 00092 /* \brief Configuration flag. 00093 * Set if device has been configured. 00094 */ 00095 uint32_t dcb_crystal; 00096 00097 /* \brief Device firmware version. 00098 */ 00099 uint32_t dcb_version; 00100 00101 /* \brief Queue of threads waiting for output buffer empty. 00102 * 00103 * Threads are added to this queue when calling UartSpiFlush(). 00104 */ 00105 HANDLE dcb_tx_rdy; 00106 00107 /* \brief Queue of threads waiting for a character in the input buffer. 00108 * 00109 * Threads are added to this queue when calling UartSpiInput(). 00110 */ 00111 HANDLE dcb_rx_rdy; 00112 }; 00113 00116 /* 00117 * Available drivers. 00118 */ 00119 extern NUTDEVICE devUarts[]; 00120 00121 extern int UartSpiInit(NUTDEVICE *dev); 00122 extern int UartSpiIOCtl(NUTDEVICE *dev, int req, void *conf); 00123 00124 #ifdef __cplusplus 00125 } 00126 #endif 00127 00128 #endif