1 #include <isotp/receive.h>
3 bool isotp_handle_single_frame(IsoTpReceiveHandle* handle, IsoTpMessage* message) {
4 isotp_complete_receive(handle, message);
8 void isotp_complete_receive(IsoTpReceiveHandle* handle, IsoTpMessage* message) {
9 if(handle->message_received_callback != NULL) {
10 handle->message_received_callback(message);
14 IsoTpReceiveHandle isotp_receive(IsoTpShims* shims,
15 const uint16_t arbitration_id, IsoTpMessageReceivedHandler callback) {
16 IsoTpReceiveHandle handle = {
19 arbitration_id: arbitration_id,
20 message_received_callback: callback
26 IsoTpMessage isotp_continue_receive(IsoTpShims* shims,
27 IsoTpReceiveHandle* handle, const uint16_t arbitration_id,
28 const uint8_t data[], const uint8_t size) {
29 IsoTpMessage message = {
30 arbitration_id: arbitration_id,
40 if(handle->arbitration_id != arbitration_id) {
41 if(shims->log != NULL) {
42 shims->log("The arb ID 0x%x doesn't match the expected rx ID 0x%x",
43 arbitration_id, handle->arbitration_id);
48 IsoTpProtocolControlInformation pci = (IsoTpProtocolControlInformation)
49 get_nibble(data, size, 0);
51 uint8_t payload_length = get_nibble(data, size, 1);
52 uint8_t payload[payload_length];
53 if(payload_length > 0 && size > 0) {
54 memcpy(payload, &data[1], payload_length);
57 // TODO this is set up to handle rx a response with a payload, but not to
58 // handle flow control responses for multi frame messages that we're in the
63 if(payload_length > 0) {
64 memcpy(message.payload, payload, payload_length);
66 message.size = payload_length;
67 message.completed = true;
68 handle->success = true;
69 handle->completed = true;
70 isotp_handle_single_frame(handle, &message);
74 shims->log("Only single frame messages are supported");