Fixed Context::open as get_strings() closes the device before. Thanks to Chris M...

[libftdi] / examples / bitbang_ft2232.c

diff --git a/examples/bitbang_ft2232.c b/examples/bitbang_ft2232.c
index cb62664..9d62ac0 100644 (file)
--- a/examples/bitbang_ft2232.c
+++ b/examples/bitbang_ft2232.c
@@ -10,6 +10,9 @@
 
 #include <stdio.h>
 #include <unistd.h>
+#ifdef __WIN32__
+#define sleep(x) _sleep(x)
+#endif
 #include <ftdi.h>
 
 int main(int argc, char **argv)
@@ -19,10 +22,16 @@ int main(int argc, char **argv)
     int f,i;
 
     // Init 1. channel
-    ftdi_init(&ftdic);
+    if (ftdi_init(&ftdic) < 0)
+    {
+        fprintf(stderr, "ftdi_init failed\n");
+        return EXIT_FAILURE;
+    }
+
     ftdi_set_interface(&ftdic, INTERFACE_A);
     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);
     }
@@ -32,10 +41,15 @@ int main(int argc, char **argv)
     ftdi_enable_bitbang(&ftdic, 0xFF);
 
     // Init 2. channel
-    ftdi_init(&ftdic2);
+    if (ftdi_init(&ftdic2) < 0)
+    {
+        fprintf(stderr, "ftdi_init failed\n");
+        return EXIT_FAILURE;
+    }
     ftdi_set_interface(&ftdic2, INTERFACE_B);
     f = ftdi_usb_open(&ftdic2, 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(&ftdic2));
         exit(-1);
     }
@@ -46,32 +60,33 @@ int main(int argc, char **argv)
 
     // Write data
     printf("startloop\n");
-    for(i = 0; i < 23; i++) {
+    for (i = 0; i < 23; i++)
+    {
         buf[0] =  0x1;
         printf("porta: %02i: 0x%02x \n",i,buf[0]);
         f = ftdi_write_data(&ftdic, buf, 1);
-        if(f < 0)
+        if (f < 0)
             fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
         sleep(1);
 
         buf[0] =  0x2;
         printf("porta: %02i: 0x%02x \n",i,buf[0]);
         f = ftdi_write_data(&ftdic, buf, 1);
-        if(f < 0)
+        if (f < 0)
             fprintf(stderr,"write failed on channel 1 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic));
         sleep(1);
 
         buf[0] =  0x1;
         printf("portb: %02i: 0x%02x \n",i,buf[0]);
         f = ftdi_write_data(&ftdic2, buf, 1);
-        if(f < 0)
+        if (f < 0)
             fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
         sleep(1);
 
         buf[0] =  0x2;
         printf("portb: %02i: 0x%02x \n",i,buf[0]);
         f = ftdi_write_data(&ftdic2, buf, 1);
-        if(f < 0)
+        if (f < 0)
             fprintf(stderr,"write failed on channel 2 for 0x%x, error %d (%s)\n", buf[0], f, ftdi_get_error_string(&ftdic2));
         sleep(1);
     }