can_helper.h

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2013 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 #ifndef MBED_CAN_HELPER_H
00017 #define MBED_CAN_HELPER_H
00018 
00019 #if DEVICE_CAN
00020 
00021 #ifdef __cplusplus
00022 extern "C" {
00023 #endif
00024 
00025 enum CANFormat {
00026     CANStandard = 0,
00027     CANExtended = 1,
00028     CANAny = 2
00029 };
00030 typedef enum CANFormat CANFormat;
00031 
00032 enum CANType {
00033     CANData   = 0,
00034     CANRemote = 1
00035 };
00036 typedef enum CANType CANType;
00037 
00038 struct CAN_Message {
00039     unsigned int   id;                 // 29 bit identifier
00040     unsigned char  data[8];            // Data field
00041     unsigned char  len;                // Length of data field in bytes
00042     CANFormat      format;             // 0 - STANDARD, 1- EXTENDED IDENTIFIER
00043     CANType        type;               // 0 - DATA FRAME, 1 - REMOTE FRAME
00044 };
00045 typedef struct CAN_Message CAN_Message;
00046 
00047 #ifdef __cplusplus
00048 };
00049 #endif
00050 
00051 #endif
00052 
00053 #endif // MBED_CAN_HELPER_H