Update deps.
[apps/low-level-can-service.git] / src / isotp / isotp.c
index 1b7f398..f303e21 100644 (file)
@@ -1,14 +1,47 @@
+#include <isotp/isotp.h>
+#include <isotp/receive.h>
+#include <bitfield/bitfield.h>
 
-void isotp_receive_can_frame(const uint16_t arbitration_id, const uint8_t* data,
-        const uint8_t length) {
-    //match with any request we made
-    //handle flow control if necessary
-    //call callback if message completed
+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;
+}
+
+IsoTpShims isotp_init_shims(LogShim log, SendCanMessageShim send_can_message,
+        SetTimerShim set_timer) {
+    IsoTpShims shims = {
+        log: log,
+        send_can_message: send_can_message,
+        set_timer: set_timer
+    };
+    return shims;
 }
 
-bool isotp_send(const uint8_t* payload, uint16_t payload_size) {
-     // we determine if it's single/multi frame and start the send
+IsoTpHandler isotp_init(IsoTpShims* shims, uint16_t arbitration_id,
+        IsoTpMessageReceivedHandler message_received_callback,
+        IsoTpMessageSentHandler message_sent_callback,
+        IsoTpCanFrameSentHandler can_frame_sent_callback) {
+    IsoTpHandler handler = {
+        shims: shims,
+        arbitration_id: arbitration_id,
+        message_received_callback: message_received_callback,
+        message_sent_callback: message_sent_callback,
+        can_frame_sent_callback: can_frame_sent_callback,
+        timeout_ms: ISO_TP_DEFAULT_RESPONSE_TIMEOUT,
+        frame_padding: ISO_TP_DEFAULT_FRAME_PADDING_STATUS,
+        sending: false
+    };
+    return handler;
 }
 
-void isotp_set_timeout(uint16_t timeout) {
+void isotp_message_to_string(const IsoTpMessage* message, char* destination,
+        size_t destination_length) {
+    snprintf(destination, destination_length,"ID: 0x%02x, Payload: 0x%llx",
+            // TODO the payload may be backwards here
+            message->arbitration_id, message->payload);
 }