X-Git-Url: http://developer.intra2net.com/git/?a=blobdiff_plain;f=examples%2Fbitbang.c;h=2326605dbb60b72f01002a09f25392894b7f46e8;hb=2f6b4bb6a67d7b3a0d4b0ba216637c8bdaac728f;hp=1234852b88fe5c10fef7023e3c032f74e4601555;hpb=ad397a4bb9a5c258c8655e30f6856c0103d49a9e;p=libftdi

diff --git a/examples/bitbang.c b/examples/bitbang.c
index 1234852..2326605 100644
--- a/examples/bitbang.c
+++ b/examples/bitbang.c
@@ -2,18 +2,27 @@
 
 #include <stdio.h>
 #include <unistd.h>
+#ifdef __WIN32__
+#define sleep(x) Sleep(x)
+#endif
 #include <ftdi.h>
 
 int main(int argc, char **argv)
 {
     struct ftdi_context ftdic;
     int f,i;
+    char buf[1];
 
-    ftdi_init(&ftdic);
+    if (ftdi_init(&ftdic) < 0)
+    {
+        fprintf(stderr, "ftdi_init failed\n");
+        return EXIT_FAILURE;
+    }
 
     f = ftdi_usb_open(&ftdic, 0x0403, 0x6001);
 
-    if(f < 0 && f != -5) {
+    if (f < 0 && f != -5)
+    {
         fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(&ftdic));
         exit(-1);
     }
@@ -23,14 +32,13 @@ int main(int argc, char **argv)
     printf("enabling bitbang mode\n");
     ftdi_enable_bitbang(&ftdic, 0xFF);
 
-    char buf[1];
-
     sleep(3);
 
     buf[0] = 0x0;
     printf("turning everything on\n");
     f = ftdi_write_data(&ftdic, buf, 1);
-    if(f < 0) {
+    if (f < 0)
+    {
         fprintf(stderr,"write failed for 0x%x, error %d (%s)\n",buf[0],f, ftdi_get_error_string(&ftdic));
     }
 
@@ -39,21 +47,25 @@ int main(int argc, char **argv)
     buf[0] = 0xFF;
     printf("turning everything off\n");
     f = ftdi_write_data(&ftdic, buf, 1);
-    if(f < 0) {
+    if (f < 0)
+    {
         fprintf(stderr,"write failed for 0x%x, error %d (%s)\n",buf[0],f, ftdi_get_error_string(&ftdic));
     }
 
     sleep(3);
 
-    for(i = 0; i < 32; i++) {
+    for (i = 0; i < 32; i++)
+    {
         buf[0] =  0 | (0xFF ^ 1 << (i % 8));
-        if( i > 0 && (i % 8) == 0) {
+        if ( i > 0 && (i % 8) == 0)
+        {
             printf("\n");
         }
         printf("%02hhx ",buf[0]);
         fflush(stdout);
         f = ftdi_write_data(&ftdic, buf, 1);
-        if(f < 0) {
+        if (f < 0)
+        {
             fprintf(stderr,"write failed for 0x%x, error %d (%s)\n",buf[0],f, ftdi_get_error_string(&ftdic));
         }
         sleep(1);