From: smckown <smckown@986fd584-583e-0410-b54d-b9fe63dff8e5>
Date: Mon, 2 Nov 2009 20:21:31 +0000 (+0000)
Subject: cptwiddle now accepts a device argument on its command line.
X-Git-Tag: debian/0.11.2-5.2tmi~15
X-Git-Url: https://oss.titaniummirror.com/gitweb?p=cp210x.git;a=commitdiff_plain;h=f7c370bb62213bde2d52ec4816401fb3778773a5

cptwiddle now accepts a device argument on its command line.
---

diff --git a/src/examples/cptwiddle.c b/src/examples/cptwiddle.c
index 068809e..5417175 100644
--- a/src/examples/cptwiddle.c
+++ b/src/examples/cptwiddle.c
@@ -53,10 +53,10 @@ typedef struct {
     uint8_t enhancedFxn;
 } cp2103_port_config_t;
 
-int cpConnect()
+int cpConnect(char* device)
 {
     int ret, ioval;
-    int fd = open("/dev/usb/tts/0", O_RDWR);
+    int fd = open(device, O_RDWR);
     if (fd < 0) {
 	fprintf(stderr, "cannot open tty\n");
 	return -1;
@@ -71,7 +71,7 @@ void cpDisconnect(int fd)
 	close(fd);
 }
 
-int main()
+int main(int argc, char* argv[])
 {
     int fd;
     cp2103_port_config_t config;
@@ -80,7 +80,13 @@ int main()
     int ret;
     int i;
 
-    if ((fd = cpConnect()) < 0)
+    if (argc != 2) {
+	fprintf(stderr, "usage: %s <tty>\n", argv[0]);
+	return 1;
+    }
+
+    /* open */
+    if ((fd = cpConnect(argv[1])) < 0)
 	return 1;
 
     /* Read the current port configuration */
@@ -121,7 +127,7 @@ int main()
     printf("disconnected\n");
     for (i = 0; i < 10; i++) {
 	sleep(1);
-	if ((fd = cpConnect()) >= 0)
+	if ((fd = cpConnect(argv[1])) >= 0)
 	    break;
     }
     if (i == 100) {