Move a few things about to make compiling with other projects possible.
[apps/low-level-can-service.git] / src / isotp / isotp.c
index 1605d43..f115810 100644 (file)
@@ -1,12 +1,6 @@
 #include <isotp/isotp.h>
-#include <isotp/receive.h>
 #include <bitfield/bitfield.h>
 
-const uint16_t MAX_ISO_TP_MESSAGE_SIZE = 4096;
-const uint16_t MAX_CAN_FRAME_SIZE = 8;
-const uint8_t ISO_TP_DEFAULT_RESPONSE_TIMEOUT = 100;
-const bool ISO_TP_DEFAULT_FRAME_PADDING_STATUS = true;
-
 /* void isotp_set_timeout(IsoTpHandler* handler, uint16_t timeout_ms) { */
     /* handler->timeout_ms = timeout_ms; */
 /* } */
@@ -23,67 +17,14 @@ IsoTpShims isotp_init_shims(LogShim log, SendCanMessageShim send_can_message,
 
 void isotp_message_to_string(const IsoTpMessage* message, char* destination,
         size_t destination_length) {
-    char payload_string[message->size * 2 + 1];
-    for(int i = 0; i < message->size; i++) {
-        // TODO, bah this isn't working because snprintf hits the NULL char that
-        // it wrote the last time and stops cold
-        snprintf(&payload_string[i * 2], 2, "%02x", message->payload[i]);
-    }
-    snprintf(destination, destination_length, "ID: 0x%02x, Payload: 0x%s",
-            message->arbitration_id, payload_string);
-}
-
-IsoTpMessage isotp_receive_can_frame(IsoTpShims* shims, IsoTpHandle* handle,
-        const uint16_t arbitration_id, const uint8_t data[],
-        const uint8_t data_length) {
-    IsoTpMessage message = {
-        arbitration_id: arbitration_id,
-        completed: false
-    };
-
-    if(data_length < 1) {
-        return message;
-    }
-
-    if(handle->type == ISOTP_HANDLE_RECEIVING) {
-        if(handle->receive_handle.arbitration_id != arbitration_id) {
-            return message;
-        }
-    } else if(handle->type == ISOTP_HANDLE_SENDING) {
-        if(handle->send_handle.receiving_arbitration_id != arbitration_id) {
-            return message;
-        }
-    } else {
-        shims->log("The ISO-TP handle is corrupt");
-        return message;
-    }
-
-    IsoTpProtocolControlInformation pci = (IsoTpProtocolControlInformation)
-            get_nibble(data, data_length, 0);
-
-    uint8_t payload_length = get_nibble(data, data_length, 1);
-    uint8_t payload[payload_length];
-    if(payload_length > 0 && data_length > 0) {
-        memcpy(payload, &data[1], payload_length);
-    }
-
-    // TODO this is set up to handle rx a response with a payload, but not to
-    // handle flow control responses for multi frame messages that we're in the
-    // process of sending
-
-    switch(pci) {
-        case PCI_SINGLE: {
-            message.payload = payload;
-            message.size = payload_length;
-            message.completed = true;
-            handle->success = true;
-            handle->completed = true;
-            isotp_handle_single_frame(handle, &message);
-            break;
-         }
-        default:
-            shims->log("Only single frame messages are supported");
-            break;
-    }
-    return message;
+    snprintf(destination, destination_length, "ID: 0x%02x, Payload: 0x%02x%02x%02x%02x%02x%02x%02x%02x",
+            message->arbitration_id,
+            message->payload[0],
+            message->payload[1],
+            message->payload[2],
+            message->payload[3],
+            message->payload[4],
+            message->payload[5],
+            message->payload[6],
+            message->payload[7]);
 }