Native SENT TPS input #5079

hasValidFast progress!

only:mre_f4

firmware/hw_layer/drivers/sent/sent.cpp

@@ -230,6 +230,7 @@ int sent_channel::Decoder(uint16_t clocks) {
 					{
 						/* Full packet with correct CRC has been received */
 						rxLast = rxReg;
+						hasValidFast = true;
 						/* TODO: add timestamp? */
 						ret = 1;
 					}
@@ -276,8 +277,10 @@ int sent_channel::GetMsg(uint32_t* rx) {
 		*rx = rxLast;
 	}
 
-	/* TODO: add check if any packet was received */
-	/* TODO: add check for time since last message reseived */
+    if (!hasValidFast) {
+        return -1;
+    }
+	/* TODO: add check for time since last message received */
 	return 0;
 }
 

firmware/hw_layer/drivers/sent/sent_logic.h

@@ -64,6 +64,7 @@ private:
 
 	/* fast channel shift register*/
 	uint32_t rxReg;
+	bool hasValidFast = false;
 	/* fast channel last received valid message */
 	uint32_t rxLast;
 

unit_tests/tests/sent/test_sent.cpp

@@ -120,5 +120,5 @@ TEST(sent, testFuelPressure) {
 TEST(sent, testNoMessages) {
     static sent_channel channel;
    	bool isError = channel.GetMsg(nullptr) != 0;
-   	ASSERT_FALSE(isError);
+   	ASSERT_TRUE(isError);
 }