Enumerate all handled EEPROM values Provide ftdi_get|set_eeprom_value to access these...

[libftdi] / examples / eeprom.c

diff --git a/examples/eeprom.c b/examples/eeprom.c
index 609ab99..6c9a1c2 100644 (file)
--- a/examples/eeprom.c
+++ b/examples/eeprom.c
@@ -23,6 +23,7 @@ int main(int argc, char **argv)
     int erase = 0;
     int use_defaults = 0;
     int large_chip = 0;
+    int do_write = 0;
     int size;
 
     if ((ftdi = ftdi_new()) == 0)
@@ -32,7 +33,7 @@ int main(int argc, char **argv)
         return EXIT_FAILURE;
     }
 
-    while ((i = getopt(argc, argv, "d::ev:p:P:S:")) != -1)
+    while ((i = getopt(argc, argv, "d::ev:p:l:P:S:w")) != -1)
     {
         switch (i)
         {
@@ -56,10 +57,14 @@ int main(int argc, char **argv)
        case 'S':
                serial = optarg;
                break;
+       case 'w':
+               do_write  = 1;
+               break;
        default:
                fprintf(stderr, "usage: %s [options]\n", *argv);
                fprintf(stderr, "\t-d[num] Work with default valuesfor 128 Byte "
                         "EEPROM or for 256 Byte EEPROm if some [num] is given\n");
+               fprintf(stderr, "\t-w write\n");
                fprintf(stderr, "\t-e erase\n");
                fprintf(stderr, "\t-v verbose decoding\n");
                fprintf(stderr, "\t-p <number> Search for device with PID == number\n");
@@ -111,11 +116,8 @@ int main(int argc, char **argv)
 
     if(use_defaults)
     {
-        ftdi_eeprom_initdefaults(ftdi);
-        ftdi->eeprom->manufacturer="IKDA";
-        ftdi->eeprom->product="CPS-CONN";
-        ftdi->eeprom->serial="0001";
-        ftdi->eeprom->chip= (large_chip)?0x66:0;
+        ftdi_eeprom_initdefaults(ftdi, "IKDA", "FTDIJTAF", "0001");
+        ftdi->eeprom->max_power = 500;
         f=(ftdi_eeprom_build(ftdi));
         if (f < 0)
         {
@@ -124,6 +126,38 @@ int main(int argc, char **argv)
             exit(-1);
         }
     }
+    else if(do_write)
+    {
+        ftdi_eeprom_initdefaults(ftdi, "IKDA", "FTDIJTAG", "0001");
+        ftdi->eeprom->max_power = 500;
+        f = ftdi_erase_eeprom(ftdi);
+        if (ftdi->eeprom->chip == -1)
+            fprintf(stderr, "No EEPROM\n");
+        else if (ftdi->eeprom->chip == 0)
+            fprintf(stderr, "Internal EEPROM\n");
+        else
+            fprintf(stderr, "Found 93x%02x\n",ftdi->eeprom->chip);
+        f=(ftdi_eeprom_build(ftdi));
+        if (f < 0)
+        {
+            fprintf(stderr, "Erase failed: %s", 
+                    ftdi_get_error_string(ftdi));
+            return -2;
+        }
+        f = ftdi_write_eeprom(ftdi);
+        {
+            fprintf(stderr, "ftdi_eeprom_decode: %d (%s)\n", 
+                    f, ftdi_get_error_string(ftdi));
+            exit(-1);
+        }
+        f = ftdi_read_eeprom(ftdi);
+        if (f < 0)
+        {
+            fprintf(stderr, "ftdi_read_eeprom: %d (%s)\n", 
+                    f, ftdi_get_error_string(ftdi));
+            exit(-1);
+        }
+     }
     else
     {
         f = ftdi_read_eeprom(ftdi);
@@ -134,6 +168,8 @@ int main(int argc, char **argv)
             exit(-1);
         }
     }
+
+
     fprintf(stderr, "Chip type %d ftdi_eeprom_size: %d\n", ftdi->type, ftdi->eeprom->size);
     buf = ftdi->eeprom->buf;
     if (ftdi->type == TYPE_R)
@@ -159,13 +195,14 @@ int main(int argc, char **argv)
     }
 
     f = ftdi_eeprom_decode(ftdi, 1);
+    if (f < 0)
     {
         fprintf(stderr, "ftdi_eeprom_decode: %d (%s)\n", 
                f, ftdi_get_error_string(ftdi));
         exit(-1);
     }
-       
 
     ftdi_usb_close(ftdi);
     ftdi_free(ftdi);
+    return 0;
 }