Add host mode USB Class driver stubs, add beginnings of a CDC host class driver.

[pub/lufa.git] / Demos / Host / ClassDriver / CDCHost / CDCHost.c

diff --git a/Demos/Host/ClassDriver/CDCHost/CDCHost.c b/Demos/Host/ClassDriver/CDCHost/CDCHost.c
index 9a5e81a..9a9d8a7 100644 (file)
--- a/Demos/Host/ClassDriver/CDCHost/CDCHost.c
+++ b/Demos/Host/ClassDriver/CDCHost/CDCHost.c
@@ -50,7 +50,6 @@ int main(void)
 \r
        for (;;)\r
        {\r
-               CDC_Host_Task();\r
                USB_USBTask();\r
        }\r
 }\r
@@ -121,111 +120,3 @@ void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t Su
        \r
        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
 }\r
-\r
-/** Task to set the configuration of the attached device after it has been enumerated, and to read in\r
- *  data received from the attached CDC device and print it to the serial port.\r
- */\r
-void CDC_Host_Task(void)\r
-{\r
-       uint8_t ErrorCode;\r
-\r
-       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
-                       if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)\r
-                       {\r
-                               if (ErrorCode == ControlError)\r
-                                 puts_P(PSTR("Control Error (Get Configuration).\r\n"));\r
-                               else\r
-                                 puts_P(PSTR("Invalid Device.\r\n"));\r
-\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
-                       puts_P(PSTR("CDC Device Enumerated.\r\n"));\r
-                               \r
-                       USB_HostState = HOST_STATE_Ready;\r
-                       break;\r
-               case HOST_STATE_Ready:\r
-                       /* Select and the data IN pipe */\r
-                       Pipe_SelectPipe(CDC_DATAPIPE_IN);\r
-\r
-                       /* Check to see if a packet has been received */\r
-                       if (Pipe_IsINReceived())\r
-                       {\r
-                               /* Check if data is in the pipe */\r
-                               if (Pipe_IsReadWriteAllowed())\r
-                               {\r
-                                       /* Get the length of the pipe data, and create a new buffer to hold it */\r
-                                       uint16_t BufferLength = Pipe_BytesInPipe();\r
-                                       uint8_t  Buffer[BufferLength];\r
-                                       \r
-                                       /* Read in the pipe data to the temporary buffer */\r
-                                       Pipe_Read_Stream_LE(Buffer, BufferLength);\r
-                                                                       \r
-                                       /* Print out the buffer contents to the USART */\r
-                                       for (uint16_t BufferByte = 0; BufferByte < BufferLength; BufferByte++)\r
-                                         putchar(Buffer[BufferByte]);\r
-                               }\r
-\r
-                               /* Clear the pipe after it is read, ready for the next packet */\r
-                               Pipe_ClearIN();\r
-                       }\r
-\r
-                       /* Select and unfreeze the notification pipe */\r
-                       Pipe_SelectPipe(CDC_NOTIFICATIONPIPE);\r
-                       Pipe_Unfreeze();\r
-                       \r
-                       /* Check if a packet has been received */\r
-                       if (Pipe_IsINReceived())\r
-                       {\r
-                               /* Discard the unused event notification */\r
-                               Pipe_ClearIN();\r
-                       }\r
-                       \r
-                       /* Freeze notification IN pipe after use */\r
-                       Pipe_Freeze();\r
-                                               \r
-                       break;\r
-       }\r
-}\r