lin_config/src/pcl_config.h

   1 #ifndef _PCL_CONFIG_H_
   2 #define _PCL_CONFIG_H_
   3
   4 #include <inttypes.h>
   5 #include "lin_config.h"
   6
   7 #define PCL_PKT_MAX_SIZE                        16
   8 #define PCL_HEADERS_SIZE                        2 /* There are 2 bytes of headers */
   9 #define PCL_CHECKSUM_SIZE                       1
  10 #define PCL_STX_SIZE                            1
  11 #define PCL_PACKET_OVERHEAD                     (PCL_HEADERS_SIZE + PCL_CHECKSUM_SIZE)
  12
  13 #define PCL_STX                                 0x2
  14
  15 #define PCL_SEQ_NO_ofs                          4
  16 #define PCL_SEQ_FRLEN_ofs                       0
  17 #define PCL_CTRL_TIFACE_ofs                     6
  18 #define PCL_CTRL_COMC_ofs                       0
  19
  20 #define PCL_SEQ_FRLEN_msk                       0xF
  21
  22 #define PCL_PACKET_LIN_IFACE                    0x2
  23 #define PCL_PACKET_MODULE_IFACE                 0x3
  24
  25 /* Logical representation of a packet sent to PCAN-LIN converter via RS232 */
  26 typedef struct {
  27         uint8_t stx;        /* Start transmission; Always set to 0x2 */
  28         uint8_t seq_no;     /* Sequence number */
  29         uint8_t seq_frlen;  /* Frame length */
  30         uint8_t ctrl_tiface;/* Target interface */
  31         uint8_t ctrl_comc;  /* Command code */
  32         uint8_t parms[8];   /* Parameters; Number of parameters depends
  33                                 on the frame length */
  34         uint8_t chks;       /* Checksum; Bitwise XOR of all bytes except STX */
  35 } pcl_packet_t;
  36
  37 int pcl_config(struct linc_lin_state *linc_lin_state);
  38
  39 #endif /* _PCL_CONFIG_H_ */