lpc111x-isp/lpc111x.c: new option -r to reset the target and let it run

lpc111x-isp/lpc111x.c

@@ -563,17 +563,45 @@ static void start_isp(int power)
 }
 
 
+/* ----- Reset and run target ---------------------------------------------- */
+
+
+static void run_target(int power)
+{
+	if (ubb_open(0) < 0) {
+		perror("ubb_open");
+		exit(1);
+	}
+
+	if (power)
+		ubb_power(1);
+
+	SET(TGT_nRESET);
+	OUT(TGT_nRESET);
+
+	IN(TGT_nISP);
+
+	CLR(TGT_nRESET);
+	usleep(10);	/* DS Table 9 pg 29 says min 50 ns */
+	SET(TGT_nRESET);
+
+	ubb_close(UBB_nPWR | TGT_nRESET | TGT_nISP);
+}
+
+
 /* ----- Command-line processing ------------------------------------------- */
 
 
 static void usage(const char *name)
 {
 	fprintf(stderr,
-"usage: %s [-n] [-q] [-v ...] [file.bin]\n\n"
+"usage: %s [-n] [-q] [-v ...] [file.bin]\n"
+"       %s [-n] -r\n\n"
 "  -n  don't power the device\n"
 "  -q  suppress basic progress messages\n"
+"  -r  reset the target and let it run\n"
 "  -v  increase verbosity level\n"
-    , name);
+    , name, name);
 	exit(1);
 }
 
@@ -582,9 +610,10 @@ int main(int argc, char **argv)
 {
 	FILE *file = NULL;
 	int power = 1;
+	int run = 0;
 	int c;
 
-	while ((c = getopt(argc, argv, "nqv")) != EOF)
+	while ((c = getopt(argc, argv, "nqrv")) != EOF)
 		switch (c) {
 		case 'n':
 			power = 0;
@@ -592,6 +621,9 @@ int main(int argc, char **argv)
 		case 'q':
 			quiet = 1;
 			break;
+		case 'r':
+			run = 1;
+			break;
 		case 'v':
 			verbose++;
 			break;
@@ -599,6 +631,13 @@ int main(int argc, char **argv)
 			usage(*argv);
 		}
 
+	if (run) {
+		if (quiet || verbose || argc != optind)
+			usage(*argv);
+		run_target(power);
+		return 0;
+	}
+
 	switch (argc-optind) {
 	case 0:
 		break;