Diff: USBHost/USBHost.cpp

Revision:

6:075e36a3463e

Parent:

3:4394986752db

Child:

7:c4483d48fe96

--- a/USBHost/USBHost.cpp	Wed Jul 25 11:13:50 2012 +0000
+++ b/USBHost/USBHost.cpp	Fri Jul 27 16:14:07 2012 +0000
@@ -29,7 +29,7 @@
 #include "rtos.h"
 
 
-#define NB_MAX_INTF 5
+#define NB_MAX_INTF 2
 
 USBHost * USBHost::instHost = NULL;
 
@@ -558,7 +558,7 @@
 
 
 // enumerate a device with the control endpoint
-USB_TYPE USBHost::enumerate(USBDeviceConnected * dev)  {
+USB_TYPE USBHost::enumerate(USBDeviceConnected * dev, IUSBEnumerator* pEnumerator)  {
   uint8_t data[256];
   uint8_t total_conf_descr_length = 0;
   USB_TYPE res;
@@ -585,7 +585,7 @@
   }
   dev->setSizeControlEndpoint(data[7]);
   DBG("size control Endpoint: %d", dev->getSizeControlEndpoint());
-
+  
 DBG("Now set addr");
   // second step: set an address to the device
   res = controlWrite( dev,
@@ -617,6 +617,8 @@
   dev->setVid(data[8] | (data[9] << 8));
   dev->setPid(data[10] | (data[11] << 8));
   DBG("CLASS: %02X \t VID: %04X \t PID: %04X", data[4], data[8] | (data[9] << 8), data[10] | (data[11] << 8));
+  
+  pEnumerator->setVidPid( data[8] | (data[9] << 8), data[10] | (data[11] << 8) );
 
   res = getConfigurationDescriptor(dev, data, &total_conf_descr_length);
   if (res != USB_TYPE_OK) {
@@ -624,7 +626,7 @@
   }
 
   // Parse the configuration descriptor
-  parseConfDescr(dev, data, total_conf_descr_length);
+  parseConfDescr(dev, data, total_conf_descr_length, pEnumerator);
 
 
   // sixth step: set configuration (only 1 supported)
@@ -647,13 +649,14 @@
 }
 
 // this method fills the USBDeviceConnected object: class,.... . It also add endpoints found in the descriptor.
-void USBHost::parseConfDescr(USBDeviceConnected * dev, uint8_t * conf_descr, uint32_t len)  {
+void USBHost::parseConfDescr(USBDeviceConnected * dev, uint8_t * conf_descr, uint32_t len, IUSBEnumerator* pEnumerator)  {
   uint32_t index = 0;
   uint32_t len_desc = 0;
   uint8_t id = 0;
   int nb_endpoints_used = 0;
   Endpoint * ep = NULL;
   uint8_t intf_nb = 0;
+  bool parsing_intf = false;
 
   while (index < len) {
     len_desc = conf_descr[index];
@@ -662,33 +665,44 @@
     case CONFIGURATION_DESCRIPTOR:
       break;
     case INTERFACE_DESCRIPTOR:
-      if (intf_nb++ <= NB_MAX_INTF) {
-        dev->addInterface(intf_nb - 1, conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7]);
-        nb_endpoints_used = 0;
-        DBG("ADD INTF %d on device %p: class: %d, subclass: %d, proto: %d", intf_nb - 1, (void *)dev, conf_descr[index + 5],conf_descr[index + 6],conf_descr[index + 7]);
-      } else {
-        DBG("Drop intf...");
+      if(pEnumerator->parseInterface(intf_nb, conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7]))
+      {
+        if (intf_nb++ <= NB_MAX_INTF) {
+          dev->addInterface(intf_nb - 1, conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7]);
+          nb_endpoints_used = 0;
+          DBG("ADD INTF %d on device %p: class: %d, subclass: %d, proto: %d", intf_nb - 1, (void *)dev, conf_descr[index + 5],conf_descr[index + 6],conf_descr[index + 7]);
+        } else {
+          DBG("Drop intf...");
+        }
+        parsing_intf = true;
+      }
+      else
+      {
+        parsing_intf = false;
       }
       break;
     case ENDPOINT_DESCRIPTOR:
       DBG("Ep DESC");
-      if (intf_nb <= NB_MAX_INTF) {
+      if (parsing_intf && (intf_nb <= NB_MAX_INTF) ) {
         if (nb_endpoints_used < MAX_ENDPOINT_PER_INTERFACE) {
-          // if the endpoint is isochronous -> skip it (TODO: fix this)
-          if ((conf_descr[index + 3] & 0x03) != ISOCHRONOUS_ENDPOINT) {
-            ep = newEndpoint((ENDPOINT_TYPE)(conf_descr[index+3] & 0x03),
-                (ENDPOINT_DIRECTION)((conf_descr[index + 2] >> 7) + 1),
-                conf_descr[index + 4] | (conf_descr[index + 5] << 8),
-                conf_descr[index + 2] & 0x0f);
-            DBG("ADD ENDPOINT %p, on interf %d on device %p", (void *)ep, intf_nb - 1, (void *)dev);
-            if (ep != NULL && dev != NULL) {
-              addEndpoint(dev, intf_nb - 1, ep);
+          if( pEnumerator->useEndpoint(intf_nb - 1, (ENDPOINT_TYPE)(conf_descr[index + 3] & 0x03), (ENDPOINT_DIRECTION)((conf_descr[index + 2] >> 7) + 1)) )
+          {
+            // if the endpoint is isochronous -> skip it (TODO: fix this)
+            if ((conf_descr[index + 3] & 0x03) != ISOCHRONOUS_ENDPOINT) {
+              ep = newEndpoint((ENDPOINT_TYPE)(conf_descr[index+3] & 0x03),
+                  (ENDPOINT_DIRECTION)((conf_descr[index + 2] >> 7) + 1),
+                  conf_descr[index + 4] | (conf_descr[index + 5] << 8),
+                  conf_descr[index + 2] & 0x0f);
+              DBG("ADD ENDPOINT %p, on interf %d on device %p", (void *)ep, intf_nb - 1, (void *)dev);
+              if (ep != NULL && dev != NULL) {
+                addEndpoint(dev, intf_nb - 1, ep);
+              } else {
+                DBG("EP NULL");
+              }
+              nb_endpoints_used++;
             } else {
-              DBG("EP NULL");
+              DBG("ISO ENDPOINT NOT SUPPORTED");
             }
-            nb_endpoints_used++;
-          } else {
-            DBG("ISO ENDPOINT NOT SUPPORTED");
           }
         }
       }