Decode the x232H specific port functions

[libftdi] / src / ftdi.c

diff --git a/src/ftdi.c b/src/ftdi.c
index 8293cc3..355ea58 100644 (file)
--- a/src/ftdi.c
+++ b/src/ftdi.c
@@ -2506,9 +2506,17 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size,
         eeprom_size = 0x80;
     eeprom = ftdi->eeprom;
 
-    eeprom->high_current_a = buf[0x00] & HIGH_CURRENT_DRIVE;
-    eeprom->high_current_b = buf[0x01] & HIGH_CURRENT_DRIVE;
+    // Addr 00: Channel A setting
 
+    eeprom->channel_a_type   = buf[0x00] & 0x7;
+    eeprom->channel_a_driver = buf[0x00] & DRIVER_VCP;
+    eeprom->high_current_a   = buf[0x00] & HIGH_CURRENT_DRIVE;
+
+    // Addr 01: Channel B setting
+
+    eeprom->channel_b_type   = buf[0x01] & 0x7;
+    eeprom->channel_b_driver = buf[0x01] & DRIVER_VCP;
+    eeprom->high_current_b   = buf[0x01] & HIGH_CURRENT_DRIVE;
 
     // Addr 02: Vendor ID
     eeprom->vendor_id = buf[0x02] + (buf[0x03] << 8);
@@ -2653,15 +2661,25 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size,
         eeprom->cbus_function[3] = (buf[0x15] >> 4) & 0x0f;
         eeprom->cbus_function[4] = buf[0x16] & 0x0f;
     }
-    else if (ftdi->type == TYPE_2232H)
-    {
-    }
-    else if (ftdi->type == TYPE_4232H)
-    {
+    else if ((ftdi->type == TYPE_2232H) ||(ftdi->type == TYPE_4232H)) 
+    {
+        eeprom->group0_drive   =  buf[0x0c]       & DRIVE_16MA;
+        eeprom->group0_schmitt =  buf[0x0c]       & IS_SCHMITT;
+        eeprom->group0_slew    =  buf[0x0c]       & SLOW_SLEW;
+        eeprom->group1_drive   = (buf[0x0c] >> 4) & 0x3;
+        eeprom->group1_schmitt = (buf[0x0c] >> 4) & IS_SCHMITT;
+        eeprom->group1_slew    = (buf[0x0c] >> 4) & SLOW_SLEW;
+        eeprom->group2_drive   =  buf[0x0d]       & DRIVE_16MA;
+        eeprom->group2_schmitt =  buf[0x0d]       & IS_SCHMITT;
+        eeprom->group2_slew    =  buf[0x0d]       & SLOW_SLEW;
+        eeprom->group3_drive   = (buf[0x0d] >> 4) & DRIVE_16MA;
+        eeprom->group3_schmitt = (buf[0x0d] >> 4) & IS_SCHMITT;
+        eeprom->group3_slew    = (buf[0x0d] >> 4) & SLOW_SLEW;
     }
     
     if(verbose)
     {
+        char *channel_mode[] = {"UART","245","CPU", "unknown", "OPTO"};
         fprintf(stdout, "VID:     0x%04x\n",eeprom->vendor_id);
         fprintf(stdout, "PID:     0x%04x\n",eeprom->product_id);
         fprintf(stdout, "Release: 0x%04x\n",eeprom->release);
@@ -2677,7 +2695,40 @@ int ftdi_eeprom_decode(struct ftdi_context *ftdi, unsigned char *buf, int size,
             fprintf(stdout, "Product:      %s\n",eeprom->product);
         if(eeprom->serial)
             fprintf(stdout, "Serial:       %s\n",eeprom->serial);
-        fprintf(stderr,     "Checksum      : %04x\n", checksum);
+        fprintf(stdout,     "Checksum      : %04x\n", checksum);
+        if (ftdi->type >= TYPE_2232C)
+            fprintf(stdout,"Channel A has Mode %s%s%s\n", 
+                    channel_mode[eeprom->channel_a_type],
+                    (eeprom->channel_a_driver)?" VCP":"",
+                    (eeprom->high_current_a)?" High Currenr IO":"");
+        if (ftdi->type == TYPE_2232C)
+            fprintf(stdout,"Channel B has Mode %s%s%s\n", 
+                    channel_mode[eeprom->channel_b_type],
+                    (eeprom->channel_b_driver)?" VCP":"",
+                    (eeprom->high_current_b)?" High Currenr IO":"");
+        if ((ftdi->type == TYPE_2232H) || (ftdi->type == TYPE_4232H)) 
+        {
+            fprintf(stdout,"%s has %d mA drive%s%s\n",
+                    (ftdi->type == TYPE_2232H)?"AL":"A",
+                    (eeprom->group0_drive+1) *4,
+                    (eeprom->group0_schmitt)?" Schmitt Input":"",
+                    (eeprom->group0_slew)?" Slow Slew":"");
+            fprintf(stdout,"%s has %d mA drive%s%s\n",
+                    (ftdi->type == TYPE_2232H)?"AH":"B",
+                    (eeprom->group1_drive+1) *4,
+                    (eeprom->group1_schmitt)?" Schmitt Input":"",
+                    (eeprom->group1_slew)?" Slow Slew":"");
+            fprintf(stdout,"%s has %d mA drive%s%s\n",
+                    (ftdi->type == TYPE_2232H)?"BL":"C",
+                    (eeprom->group2_drive+1) *4,
+                    (eeprom->group2_schmitt)?" Schmitt Input":"",
+                    (eeprom->group2_slew)?" Slow Slew":"");
+            fprintf(stdout,"%s has %d mA drive%s%s\n",
+                    (ftdi->type == TYPE_2232H)?"BH":"D",
+                    (eeprom->group3_drive+1) *4,
+                    (eeprom->group3_schmitt)?" Schmitt Input":"",
+                    (eeprom->group3_slew)?" Slow Slew":"");
+        }
 
     }