Modules/USB - Cleaning up protocol code, working on device API
[tpg/acess2.git] / Modules / USB / Core / hub.c
index 552ab96..22fed9d 100644 (file)
@@ -20,6 +20,14 @@ struct sHubDescriptor
        Uint8   DeviceRemovable[MAX_PORTS];
 };
 
+struct sHubInfo
+{
+       tUSBHub *HubPtr;
+        int    PowerOnDelay;   // in ms
+        int    nPorts;
+       Uint8   DeviceRemovable[];
+}
+
 // === PROTOTYPES ===
 void   Hub_Connected(tUSBInterface *Dev);
 void   Hub_Disconnected(tUSBInterface *Dev);
@@ -40,33 +48,42 @@ tUSBDriver  gUSBHub_Driver = {
 // === CODE ===
 void Hub_Connected(tUSBInterface *Dev)
 {
-       struct sHubDescriptor   *hub_desc;
-       
-       hub_desc = malloc(sizeof(*hub_desc));
-       if(!hub_desc) {
+       struct sHubDescriptor   hub_desc;
+       struct sHubInfo *info;  
+
+       // Read hub descriptor
+       USB_ReadDescriptor(Dev, 0x29, 0, sizeof(*hub_desc), hub_desc);
+
+       // Allocate infomation structure
+       info = malloc(sizeof(*info) + (hub_desc.NbrPorts+7)/8);
+       if(!info) {
                Log_Error("USBHub", "malloc() failed");
                return ;
        }
-       USB_SetDeviceDataPtr(Dev, hub_desc);
+       USB_SetDeviceDataPtr(Dev, info);
 
-       USB_ReadDescriptor(Dev, 0, 0x29, 0, sizeof(hub_desc), hub_desc);
+       // Fill data
+       info->nPorts = hub_desc.NbrPorts;
+       info->PowerOnDelay = hub_desc.PwrOn2PwrGood * 2;
+       memcpy(info->DeviceRemovable, hub_desc.DeviceRemovable, (hub_desc.NbrPorts+7)/8);
+       // Register
+       info->HubPtr = USB_RegisterHub(Dev, info->nPorts);
 
        // Register poll on endpoint
-       USB_PollEndpoint(Dev, 1);
-       
-       USB_RegisterHub(Dev, hub_desc->NbrPorts);
+       USB_StartPollingEndpoint(Dev, 1);
 }
 
 void Hub_Disconnected(tUSBInterface *Dev)
 {
+       USB_RemoveHub(Dev);
 }
 
 void Hub_PortStatusChange(tUSBInterface *Dev, int Length, void *Data)
 {
        Uint8   *status = Data;
-       struct sHubDescriptor   *info = USB_GetDeviceDataPtr(Dev);
+       struct sHubInfo *info = USB_GetDeviceDataPtr(Dev);
         int    i;
-       for( i = 0; i < info->NbrPorts; i += 8, status ++ )
+       for( i = 0; i < info->nPorts; i += 8, status ++ )
        {
                if( i/8 >= Length )     break;
                if( *status == 0 )      continue;
@@ -80,7 +97,10 @@ void Hub_PortStatusChange(tUSBInterface *Dev, int Length, void *Data)
 void Hub_int_HandleChange(tUSBInterface *Dev, int Port)
 {
        Uint16  status[2];      // Status, Change
-       // Get change status
+       
+       // Get port status
        USB_Request(Dev, 0, 0xA3, 0, 0, Port, 4, status);
+       
+       // Handle connections / disconnections
 }
 

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