Subversion Repositories HomeAutomation

Rev

Rev 250 | Only display areas with differences | Regard whitespace | Details | Blame | Last modification | View Log | SVN | RSS feed

Rev 250 Rev 253
1 
#ifndef CAN_H_
 1 
#ifndef CAN_H_
2 
#define CAN_H_
 2 
#define CAN_H_
3 
 
 3 
 
4 
/*-----------------------------------------------------------------------------
 4 
/*-----------------------------------------------------------------------------
5 
 * Includes
 5 
 * Includes
6 
 *---------------------------------------------------------------------------*/
 6 
 *---------------------------------------------------------------------------*/
7 
#include <inttypes.h>
 7 
#include <inttypes.h>
8 
 
 8 
 
9 
 
 9 
 
10 
/*-----------------------------------------------------------------------------
 10 
/*-----------------------------------------------------------------------------
11 
 * Type Definitions
 11 
 * Type Definitions
12 
 *---------------------------------------------------------------------------*/
 12 
 *---------------------------------------------------------------------------*/
13 
 
 13 
 
14 
 
 14 
 
15 
/**
 15 
/**
16 
 * CAN Return Type. Most CAN functions return one of these.
 16 
 * CAN Return Type. Most CAN functions return one of these.
17 
 */
 17 
 */
18 
typedef enum {
 18 
typedef enum {
19 
    CAN_FAIL = -1,                  /* The function failed */
 19 
    CAN_FAIL = -1,                  /* The function failed */
20 
    CAN_OK = 1,                     /* The function succeeded */
 20 
    CAN_OK = 1,                     /* The function succeeded */
21 
   
 21 
   
22 
    CAN_MSG_AVAILABLE = 2,          /* Messsages are available */
 22 
    CAN_MSG_AVAILABLE = 2,          /* Messsages are available */
23 
    CAN_NO_MSG_AVAILABLE = -2,      /* Messages are NOT available */
 23 
    CAN_NO_MSG_AVAILABLE = -2,      /* Messages are NOT available */
24 
   
 24 
   
25 
    //CAN_CTRLERROR = -4
 25 
    //CAN_CTRLERROR = -4
26 
} Can_Return_t;
 26 
} Can_Return_t;
27 
 
 27 
 
28 
 
 28 
 
29 
/**
 29 
/**
30 
 * CAN Message Type. Stores a complete CAN frame.
 30 
 * CAN Message Type. Stores a complete CAN frame.
31 
 */
 31 
 */
32 
typedef struct {
 32 
typedef struct {
33 
    /*
 33 
    /*
34 
     * ID section. Contains either 29bit ID or 11bit ID (depending on ExtendedFlag).
 34 
     * ID section. Contains either 29bit ID or 11bit ID (depending on ExtendedFlag).
35 
     */
 35 
     */
36 
    uint32_t Id;
 36 
    uint32_t Id;
37 
   
 37 
   
38 
    /*
 38 
    /*
39 
     * DLC section. Contains the data length expressed in number of bytes. Range [0,8].
 39 
     * DLC section. Contains the data length expressed in number of bytes. Range [0,8].
40 
     */
 40 
     */
41 
    uint8_t DataLength;
 41 
    uint8_t DataLength;
42 
   
 42 
   
43 
    /**
 43 
    /**
44 
     * Extended frame flag. Set to 1 if the ID is 29bit, or 0 if it is 11bit.
 44 
     * Extended frame flag. Set to 1 if the ID is 29bit, or 0 if it is 11bit.
45 
     */
 45 
     */
46 
    uint8_t ExtendedFlag;
 46 
    uint8_t ExtendedFlag;
47 
   
 47 
   
48 
    /**
 48 
    /**
49 
     * Remote frame flag. Set to 1 if the frame is a remote frame. 0 otherwise.
 49 
     * Remote frame flag. Set to 1 if the frame is a remote frame. 0 otherwise.
50 
     */
 50 
     */
51 
    uint8_t RemoteFlag;
 51 
    uint8_t RemoteFlag;
52 
   
 52 
   
53 
    /*
 53 
    /*
54 
     * DATA section. Contains the 8 data bytes.
 54 
     * DATA section. Contains the 8 data bytes.
55 
     */
 55 
     */
56 
    union {
 56 
    union {
57 
        /* read as 8bit unsigned data */
 57 
        /* read as 8bit unsigned data */
58 
        uint8_t bytes[8];
 58 
        uint8_t bytes[8];
59 
       
 59 
       
60 
        /* read as 16bit unsigned data */
 60 
        /* read as 16bit unsigned data */
61 
        uint16_t words[4];
 61 
        uint16_t words[4];
62 
       
 62 
       
63 
        /* read as 32bit unsigned data */
 63 
        /* read as 32bit unsigned data */
64 
        uint32_t dwords[2];
 64 
        uint32_t dwords[2];
65 
    } Data;
 65 
    } Data;
66 
} Can_Message_t;
 66 
} Can_Message_t;
67 
 
 67 
 
- 
 
 68 
//---------------------------------------------------------------------------
- 
 
 69 
// CAN ID definitions
68 
 
 70 
 
- 
 
 71 
#define CAN_MASK_CLASS      0x1E000000
- 
 
 72 
#define CAN_SHIFT_CLASS     25
69 
/*-----------------------------------------------------------------------------
 73 
//------------------------------------
- 
 
 74 
#define CAN_NMT             0x00UL
- 
 
 75 
#define CAN_MASK_NMT_TYPE   0x01F00000
- 
 
 76 
#define CAN_SHIFT_NMT_TYPE  20
- 
 
 77 
#define CAN_MASK_NMT_NID    0x000F0000
- 
 
 78 
#define CAN_SHIFT_NMT_NID   16
- 
 
 79 
#define CAN_MASK_NMT_SID    0x0000FF00
- 
 
 80 
#define CAN_SHIFT_NMT_SID   8
- 
 
 81 
#define CAN_MASK_NMT_RID    0x000000FF
70 
 * Public Function Prototypes
 82 
#define CAN_SHIFT_NMT_RID   0
- 
 
 83 
#define CAN_NMT_RESET       0x00UL
- 
 
 84 
#define CAN_NMT_BIOS_START  0x01UL  //D0: VER7:0, D1:VER15:8, D2: 0 if no app, >0 if app
- 
 
 85 
#define CAN_NMT_PGM_START   0x02UL  //D0: ADR7:0, D1:ADR15:8, D2:ADR23:16, D3:ADR31:24
- 
 
 86 
#define CAN_NMT_PGM_DATA    0x03UL  //D0: OFS7:0, D1: OFS15:8, D(n+2): DATAn7:0 [n=0..x] [x=0..5]
- 
 
 87 
#define CAN_NMT_PGM_END     0x04UL  //D0: CRC7:0, D1: CRC15:8
- 
 
 88 
#define CAN_NMT_PGM_ACK     0x05UL  //D0: OFS7:0, D1: OFS15:8
- 
 
 89 
#define CAN_NMT_PGM_NACK    0x06UL  //D0: OFS7:0, D1: OFS15:8
- 
 
 90 
#define CAN_NMT_START_APP   0x07UL
- 
 
 91 
#define CAN_NMT_APP_START   0x08UL  //D0: ID7:0, D1:ID15:8, D2: VER7:0, D3:VER15:8
- 
 
 92 
#define CAN_NMT_HEARTBEAT   0x09UL
71 
 *---------------------------------------------------------------------------*/
 93 
//------------------------------------
72 
 
 - 
 
- 
 
 94 
#define CAN_SNS             0x02UL
- 
 
 95 
#define CAN_MASK_SNS_FUNCC  0x01FF8000
73 
//Can_Return_t Can_Init(void);
 96 
#define CAN_SHIFT_SNS_FUNCC 15
74 
//Can_Return_t Can_Send(Can_Message_t* msg);
 97 
#define CAN_MASK_SNS_NID    0x00007E00
75 
//void Can_Service(void);
 98 
#define CAN_SHIFT_SNS_NID   9
76 
//Can_Return_t Can_Receive(Can_Message_t *msg);
 99 
#define CAN_MASK_SNS_SID    0x000001FF
- 
 
 100 
#define CAN_SHIFT_SNS_SID   0
- 
 
 101 
//------------------------------------
- 
 
 102 
#define CAN_PKT             0x0c000000
- 
 
 103 
//------------------------------------
- 
 
 104 
#define CAN_CON             0x10000000
- 
 
 105 
//------------------------------------
- 
 
 106 
#define CAN_TST             0x1E000000
- 
 
 107 
//------------------------------------
77 
 
 108 
 
78 
#endif
 109 
#endif
79 
 
 110