From 8d1631bf2749ff43914cf6fb3fc136b691432e0b Mon Sep 17 00:00:00 2001
From: smckown <smckown@986fd584-583e-0410-b54d-b9fe63dff8e5>
Date: Mon, 2 Nov 2009 20:21:28 +0000
Subject: [PATCH] Update cpio (cp210x io test program) to accept device on
 command line like cpmfg

---
 src/examples/cpio.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/examples/cpio.c b/src/examples/cpio.c
index f0f6f38..a4f2f7a 100644
--- a/src/examples/cpio.c
+++ b/src/examples/cpio.c
@@ -28,10 +28,10 @@ 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;
@@ -46,14 +46,19 @@ void cpDisconnect(int fd)
 	close(fd);
 }
 
-int main()
+int main(int argc, char* argv[])
 {
     int fd;
     cp2103_port_config_t config;
     int ret;
 
+    if (argc != 2) {
+	fprintf(stderr, "usage: %s <tty>\n", argv[0]);
+	return 1;
+    }
+
     /* open */
-    if ((fd = cpConnect()) < 0)
+    if ((fd = cpConnect(argv[1])) < 0)
 	return 1;
 
     /* Read the current port configuration */
-- 
2.39.2