again another try

QnetGateway.cpp

@@ -640,17 +640,17 @@ void CQnetGateway::ProcessG2Msg(const unsigned char *data, const int mod)
 	static unsigned int part[3] = { 0 };
 	static char txt[3][21];
 	if ((data[0] != 0x55u) || (data[1] != 0x2du) || (data[2] != 0x16u)) {
-		unsigned int c[3];
+		const unsigned int c[3] = {
-		c[0] = data[0] ^ 0x70u;
+			data[0] ^ 0x70u,
-		c[1] = data[1] ^ 0x4fu;
+			data[1] ^ 0x4fu,
-		c[2] = data[2] ^ 0x93u;	// unscramble
+			data[2] ^ 0x93u
-		printf("c=0x%02x 0x%02x 0x%02x\n", c[0], c[1], c[2]);
+		};	// unscramble
 		if (part[mod]) {
 			// we are in a message
 			if (part[mod] % 2) {	// true when part[mod] = 1, 3, 5 or 7
 				// this is the second part of the 2-frame pair
 				memcpy(txt[mod]+(5u*(part[mod]/2u)+2u), c, 3);	// offset is 2, 7, 12 or 17
-				printf("part[%d]=%u Msg='%s'\n", mod, part[mod], txt[mod]);
+				printf("c=0x%02x 0x%02x 0x%02x part[%d]=%u Msg='%s'\n", c[0], c[1], c[2], mod, part[mod], txt[mod]);
 				if (++part[mod] > 7) {
 					// we've got everything!
 					part[mod] = 0;	// now we can start over
@@ -658,7 +658,7 @@ void CQnetGateway::ProcessG2Msg(const unsigned char *data, const int mod)
 			} else {	// we'll get here when part[mod] = 2, 4 or 6
 				unsigned int sequence = part[mod]++ / 2;	// this is the sequency we are expecting, 1, 2 or 3
 				if ((sequence | 0x40u) == c[0]) {
-					printf("part[%d]=%u Msg='%s'\n", mod, part[mod]-1u, txt[mod]);
+					printf("c=0x%02x 0x%02x 0x%02x part[%d]=%u Msg='%s'\n", c[0], c[1], c[2], mod, part[mod]-1u, txt[mod]);
 					memcpy(txt[mod]+(5u*sequence), c+1, 2);	// got it! get the copy the two chars
 				} else {
 					part[mod] = 0;	// unexpected
@@ -666,9 +666,9 @@ void CQnetGateway::ProcessG2Msg(const unsigned char *data, const int mod)
 			}
 		} else if (0x40u == c[0]) {
 			// start of new message
+			memset(txt[mod], 0, 21);
 			memcpy(txt[mod], c+1, 2);
-			memset(txt[mod]+2, 0, 19);
+			printf("c=0x%02x 0x%02x 0x%02x part[%d]=%u Msg='%s'\n", c[0], c[1], c[2], mod, part[mod], txt[mod]);
-			printf("part[%d]=%u Msg='%s'\n", mod, part[mod], txt[mod]);
 			part[mod] = 1;
 		}
 	} else {