Fixed compilation error in incomplete BluetoothHost demo.

[pub/USBasp.git] / Demos / Host / LowLevel / CDCHost / CDCHost.c

diff --git a/Demos/Host/LowLevel/CDCHost/CDCHost.c b/Demos/Host/LowLevel/CDCHost/CDCHost.c
index 9a5e81a..b3e0674 100644 (file)
--- a/Demos/Host/LowLevel/CDCHost/CDCHost.c
+++ b/Demos/Host/LowLevel/CDCHost/CDCHost.c
@@ -132,36 +132,6 @@ void CDC_Host_Task(void)
        switch (USB_HostState)\r
        {\r
                case HOST_STATE_Addressed:\r
-                       /* Standard request to set the device configuration to configuration 1 */\r
-                       USB_ControlRequest = (USB_Request_Header_t)\r
-                               {\r
-                                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
-                                       .bRequest      = REQ_SetConfiguration,\r
-                                       .wValue        = 1,\r
-                                       .wIndex        = 0,\r
-                                       .wLength       = 0,\r
-                               };\r
-\r
-                       /* Select the control pipe for the request transfer */\r
-                       Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
-\r
-                       /* Send the request, display error and wait for device detach if request fails */\r
-                       if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
-                       {\r
-                               puts_P(PSTR("Control Error (Set Configuration).\r\n"));\r
-                               printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
-\r
-                               /* Indicate error via status LEDs */\r
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
-\r
-                               /* Wait until USB device disconnected */\r
-                               while (USB_IsConnected);\r
-                               break;\r
-                       }\r
-                               \r
-                       USB_HostState = HOST_STATE_Configured;\r
-                       break;\r
-               case HOST_STATE_Configured:\r
                        puts_P(PSTR("Getting Config Data.\r\n"));\r
                \r
                        /* Get and process the configuration descriptor data */\r
@@ -181,7 +151,24 @@ void CDC_Host_Task(void)
                                while (USB_IsConnected);\r
                                break;\r
                        }\r
+                       \r
+                       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */\r
+                       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)\r
+                       {\r
+                               puts_P(PSTR("Control Error (Set Configuration).\r\n"));\r
+                               printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
+\r
+                               /* Indicate error via status LEDs */\r
+                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
 \r
+                               /* Wait until USB device disconnected */\r
+                               while (USB_IsConnected);\r
+                               break;\r
+                       }\r
+                               \r
+                       USB_HostState = HOST_STATE_Configured;\r
+                       break;\r
+               case HOST_STATE_Configured:\r
                        puts_P(PSTR("CDC Device Enumerated.\r\n"));\r
                                \r
                        USB_HostState = HOST_STATE_Ready;\r
@@ -189,10 +176,14 @@ void CDC_Host_Task(void)
                case HOST_STATE_Ready:\r
                        /* Select and the data IN pipe */\r
                        Pipe_SelectPipe(CDC_DATAPIPE_IN);\r
+                       Pipe_Unfreeze();\r
 \r
                        /* Check to see if a packet has been received */\r
                        if (Pipe_IsINReceived())\r
                        {\r
+                               /* Re-freeze IN pipe after the packet has been received */\r
+                               Pipe_Freeze();\r
+\r
                                /* Check if data is in the pipe */\r
                                if (Pipe_IsReadWriteAllowed())\r
                                {\r
@@ -212,6 +203,9 @@ void CDC_Host_Task(void)
                                Pipe_ClearIN();\r
                        }\r
 \r
+                       /* Re-freeze IN pipe after use */\r
+                       Pipe_Freeze();\r
+\r
                        /* Select and unfreeze the notification pipe */\r
                        Pipe_SelectPipe(CDC_NOTIFICATIONPIPE);\r
                        Pipe_Unfreeze();\r