libs/isotp-c/tests/common.c

   1 #include <isotp/isotp.h>
   2 #include <stdint.h>
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <stdarg.h>
   6 #include <string.h>
   7
   8 IsoTpShims SHIMS;
   9 IsoTpReceiveHandle RECEIVE_HANDLE;
  10
  11 uint32_t last_can_frame_sent_arb_id;
  12 uint8_t last_can_payload_sent[8];
  13 uint8_t last_can_payload_size;
  14 bool can_frame_was_sent;
  15
  16 bool message_was_received;
  17 uint32_t last_message_received_arb_id;
  18 uint8_t last_message_received_payload[OUR_MAX_ISO_TP_MESSAGE_SIZE];
  19 uint8_t last_message_received_payload_size;
  20
  21 uint32_t last_message_sent_arb_id;
  22 bool last_message_sent_status;
  23 uint8_t last_message_sent_payload[OUR_MAX_ISO_TP_MESSAGE_SIZE];
  24 uint8_t last_message_sent_payload_size;
  25
  26 void debug(const char* format, ...) {
  27     va_list args;
  28     va_start(args, format);
  29     vprintf(format, args);
  30     printf("\r\n");
  31     va_end(args);
  32 }
  33
  34 bool mock_send_can(const uint32_t arbitration_id, const uint8_t* data,
  35         const uint8_t size) {
  36     can_frame_was_sent = true;
  37     last_can_frame_sent_arb_id = arbitration_id;
  38     last_can_payload_size = size;
  39     if(size > 0) {
  40         memcpy(last_can_payload_sent, data, size);
  41     }
  42     return true;
  43 }
  44
  45 void message_received(const IsoTpMessage* message) {
  46     debug("Received ISO-TP message:");
  47     message_was_received = true;
  48     char str_message[48] = {0};
  49     isotp_message_to_string(message, str_message, sizeof(str_message));
  50     debug("%s", str_message);
  51     last_message_received_arb_id = message->arbitration_id;
  52     last_message_received_payload_size = message->size;
  53     if(message->size > 0) {
  54         memcpy(last_message_received_payload, message->payload, message->size);
  55     }
  56 }
  57
  58 void message_sent(const IsoTpMessage* message, const bool success) {
  59     if(success) {
  60         debug("Sent ISO-TP message:");
  61     } else {
  62         debug("Unable to send ISO-TP message:");
  63     }
  64     char str_message[48] = {0};
  65     isotp_message_to_string(message, str_message, sizeof(str_message));
  66     debug("%s", str_message);
  67
  68     last_message_sent_arb_id = message->arbitration_id;
  69     last_message_sent_payload_size = message->size;
  70     last_message_sent_status = success;
  71     if(message->size > 0) {
  72         memcpy(last_message_sent_payload, message->payload, message->size);
  73     }
  74 }
  75
  76 void can_frame_sent(const uint32_t arbitration_id, const uint8_t* payload,
  77         const uint8_t size) {
  78     debug("Sent CAN Frame with arb ID 0x%x and %d bytes", arbitration_id, size);
  79 }
  80
  81 void setup() {
  82     SHIMS = isotp_init_shims(debug, mock_send_can, NULL);
  83     RECEIVE_HANDLE = isotp_receive(&SHIMS, 0x2a, message_received);
  84     memset(last_message_sent_payload, 0, OUR_MAX_ISO_TP_MESSAGE_SIZE);
  85     memset(last_message_received_payload, 0, OUR_MAX_ISO_TP_MESSAGE_SIZE);
  86     memset(last_can_payload_sent, 0, sizeof(last_can_payload_sent));
  87     last_message_sent_status = false;
  88     message_was_received = false;
  89     can_frame_was_sent = false;
  90 }
  91