#include <isotp/receive.h>
-void isotp_handle_single_frame(IsoTpHandler* handler, IsoTpMessage* message) {
- isotp_complete_receive(handler, message);
+bool isotp_handle_single_frame(IsoTpHandle* handle, IsoTpMessage* message) {
+ isotp_complete_receive(handle, message);
+ return true;
}
-void isotp_complete_receive(IsoTpHandler* handler, IsoTpMessage* message) {
- handler->message_received_callback(message);
-}
-
-void isotp_receive_can_frame(IsoTpHandler* handler,
- const uint16_t arbitration_id, const uint64_t data,
- const uint8_t length) {
- if(arbitration_id != handler->arbitration_id){
- return;
- }
-
- // TODO use CanMessage struct from canutil library - allocate payload buffer
- // on stack, 8 bytes
- // TODO this function should receive uint64_t...
- IsoTpProtocolControlInformation pci = (IsoTpProtocolControlInformation)
- getBitField(data, 0, 4, false);
-
- // TODO this is messed up! need a better API for grabbing bytes
- uint8_t payload_length = getBitField(data, 4, 4, false);
- uint8_t payload[payload_length];
- uint64_t flipped_data = __builtin_bswap64(data);
- if(payload_length > 0) {
- memcpy(payload, &(((uint8_t*)&flipped_data)[1]), payload_length);
+void isotp_complete_receive(IsoTpHandle* handle, IsoTpMessage* message) {
+ if(handle->receive_handle.message_received_callback != NULL) {
+ handle->receive_handle.message_received_callback(message);
}
+}
- IsoTpMessage message = {
+IsoTpHandle isotp_receive(IsoTpShims* shims,
+ const uint16_t arbitration_id, IsoTpMessageReceivedHandler callback) {
+ IsoTpReceiveHandle receive_handle = {
arbitration_id: arbitration_id,
- payload: payload,
- size: payload_length
+ message_received_callback: callback
};
- switch(pci) {
- case PCI_SINGLE:
- isotp_handle_single_frame(handler, &message);
- break;
- default:
- handler->shims->log("Only single frame messages are supported");
- break;
- }
+ IsoTpHandle handle = {
+ success: false,
+ completed: true,
+ receive_handle: receive_handle,
+ type: ISOTP_HANDLE_RECEIVING
+ };
+ return handle;
}
-