X-Git-Url: http://developer.intra2net.com/git/?a=blobdiff_plain;f=src%2Fftdi.c;h=f89e3528a8c323bd21e1736dee1d93df8d4b1857;hb=1bbaf1ce8eb66272d33dffac19b72b87ef415179;hp=c62ede7a49e5e911a993c04c824959af10494b4a;hpb=6335545d29051b1de8d2d482c25a3c1e2e4ff62c;p=libftdi

diff --git a/src/ftdi.c b/src/ftdi.c
index c62ede7..f89e352 100644
--- a/src/ftdi.c
+++ b/src/ftdi.c
@@ -110,7 +110,7 @@ int ftdi_init(struct ftdi_context *ftdi)
 
     \return a pointer to a new ftdi_context, or NULL on failure
 */
-struct ftdi_context *ftdi_new()
+struct ftdi_context *ftdi_new(void)
 {
     struct ftdi_context * ftdi = (struct ftdi_context *)malloc(sizeof(struct ftdi_context));
 
@@ -132,7 +132,7 @@ struct ftdi_context *ftdi_new()
     Open selected channels on a chip, otherwise use first channel.
 
     \param ftdi pointer to ftdi_context
-    \param interface Interface to use for FT2232C chips.
+    \param interface Interface to use for FT2232C/2232H/4232H chips.
 
     \retval  0: all fine
     \retval -1: unknown interface
@@ -151,6 +151,18 @@ int ftdi_set_interface(struct ftdi_context *ftdi, enum ftdi_interface interface)
             ftdi->in_ep     = 0x04;
             ftdi->out_ep    = 0x83;
             break;
+        case INTERFACE_C:
+            ftdi->interface = 2;
+            ftdi->index     = INTERFACE_C;
+            ftdi->in_ep     = 0x06;
+            ftdi->out_ep    = 0x85;
+            break;
+        case INTERFACE_D:
+            ftdi->interface = 3;
+            ftdi->index     = INTERFACE_D;
+            ftdi->in_ep     = 0x08;
+            ftdi->out_ep    = 0x87;
+            break;
         default:
             ftdi_error_return(-1, "Unknown interface");
     }
@@ -431,13 +443,26 @@ int ftdi_usb_open_dev(struct ftdi_context *ftdi, struct usb_device *dev)
     else if (dev->descriptor.bcdDevice == 0x200)
         ftdi->type = TYPE_AM;
     else if (dev->descriptor.bcdDevice == 0x500)
-    {
         ftdi->type = TYPE_2232C;
-        if (!ftdi->index)
-            ftdi->index = INTERFACE_A;
-    }
     else if (dev->descriptor.bcdDevice == 0x600)
         ftdi->type = TYPE_R;
+    else if (dev->descriptor.bcdDevice == 0x700)
+        ftdi->type = TYPE_2232H;
+    else if (dev->descriptor.bcdDevice == 0x800)
+        ftdi->type = TYPE_4232H;
+
+    // Set default interface on dual/quad type chips
+    switch(ftdi->type)
+    {
+        case TYPE_2232C:
+        case TYPE_2232H:
+        case TYPE_4232H:
+            if (!ftdi->index)
+                ftdi->index = INTERFACE_A;
+            break;
+        default:
+            break;
+    }
 
     ftdi_error_return(0, "all fine");
 }
@@ -1202,6 +1227,13 @@ int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunk
 int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size)
 {
     int offset = 0, ret = 1, i, num_of_chunks, chunk_remains;
+    int packet_size;
+
+    // New hi-speed devices from FTDI use a packet size of 512 bytes
+    if (ftdi->type == TYPE_2232H || ftdi->type == TYPE_4232H)
+        packet_size = 512;
+    else
+        packet_size = 64;
 
     // everything we want is still in the readbuffer?
     if (size <= ftdi->readbuffer_remaining)
@@ -1238,23 +1270,23 @@ int ftdi_read_data(struct ftdi_context *ftdi, unsigned char *buf, int size)
         {
             // skip FTDI status bytes.
             // Maybe stored in the future to enable modem use
-            num_of_chunks = ret / 64;
-            chunk_remains = ret % 64;
+            num_of_chunks = ret / packet_size;
+            chunk_remains = ret % packet_size;
             //printf("ret = %X, num_of_chunks = %X, chunk_remains = %X, readbuffer_offset = %X\n", ret, num_of_chunks, chunk_remains, ftdi->readbuffer_offset);
 
             ftdi->readbuffer_offset += 2;
             ret -= 2;
 
-            if (ret > 62)
+            if (ret > packet_size - 2)
             {
                 for (i = 1; i < num_of_chunks; i++)
-                    memmove (ftdi->readbuffer+ftdi->readbuffer_offset+62*i,
-                             ftdi->readbuffer+ftdi->readbuffer_offset+64*i,
-                             62);
+                    memmove (ftdi->readbuffer+ftdi->readbuffer_offset+(packet_size - 2)*i,
+                             ftdi->readbuffer+ftdi->readbuffer_offset+packet_size*i,
+                             packet_size - 2);
                 if (chunk_remains > 2)
                 {
-                    memmove (ftdi->readbuffer+ftdi->readbuffer_offset+62*i,
-                             ftdi->readbuffer+ftdi->readbuffer_offset+64*i,
+                    memmove (ftdi->readbuffer+ftdi->readbuffer_offset+(packet_size - 2)*i,
+                             ftdi->readbuffer+ftdi->readbuffer_offset+packet_size*i,
                              chunk_remains-2);
                     ret -= 2*num_of_chunks;
                 }
@@ -1909,7 +1941,7 @@ int ftdi_eeprom_build(struct ftdi_eeprom *eeprom, unsigned char *output)
    Decode binary EEPROM image into an ftdi_eeprom structure.
 
    \param eeprom Pointer to ftdi_eeprom which will be filled in.
-   \param output Buffer of \a size bytes of raw eeprom data
+   \param buf Buffer of \a size bytes of raw eeprom data
    \param size size size of eeprom data in bytes
 
    \retval 0: all fine