\r
#include "CDCHost.h"\r
\r
+/** LUFA CDC Class driver interface configuration and state information. This structure is\r
+ * passed to all CDC Class driver functions, so that multiple instances of the same class\r
+ * within a device can be differentiated from one another.\r
+ */\r
+USB_ClassInfo_CDC_Host_t VirtualSerial_CDC_Interface =\r
+ {\r
+ .Config =\r
+ {\r
+ .DataINPipeNumber = 1,\r
+ .DataOUTPipeNumber = 2,\r
+ .NotificationPipeNumber = 3,\r
+ },\r
+ };\r
+\r
+ \r
/** Main program entry point. This routine configures the hardware required by the application, then\r
* starts the scheduler to run the application tasks.\r
*/\r
{\r
SetupHardware();\r
\r
- puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY\r
- "CDC Host Demo running.\r\n" ESC_INVERSE_OFF));\r
+ puts_P(PSTR(ESC_FG_CYAN "CDC Host Demo running.\r\n" ESC_FG_WHITE));\r
\r
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
\r
for (;;)\r
{\r
- CDC_Host_Task();\r
+ switch (USB_HostState)\r
+ {\r
+ case HOST_STATE_Addressed:\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
+ \r
+ uint16_t ConfigDescriptorSize;\r
+ uint8_t ConfigDescriptorData[512];\r
+\r
+ if ((USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, NULL) != HOST_SENDCONTROL_Successful) ||\r
+ (ConfigDescriptorSize > sizeof(ConfigDescriptorData)) ||\r
+ (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData)))\r
+ {\r
+ printf("Error Retrieving Configuration Descriptor.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+\r
+ if (CDC_Host_ConfigurePipes(&VirtualSerial_CDC_Interface,\r
+ ConfigDescriptorSize, ConfigDescriptorData) != CDC_ENUMERROR_NoError)\r
+ {\r
+ printf("Attached Device Not a Valid CDC Class Device.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)\r
+ {\r
+ printf("Error Setting Device Configuration.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ printf("CDC Device Enumerated.\r\n");\r
+ USB_HostState = HOST_STATE_Configured;\r
+ break;\r
+ case HOST_STATE_Configured:\r
+ break;\r
+ }\r
+ \r
+ CDC_Host_USBTask(&VirtualSerial_CDC_Interface);\r
USB_USBTask();\r
}\r
}\r
/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and\r
* starts the library USB task to begin the enumeration and USB management process.\r
*/\r
-void EVENT_USB_DeviceAttached(void)\r
+void EVENT_USB_Host_DeviceAttached(void)\r
{\r
puts_P(PSTR("Device Attached.\r\n"));\r
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and\r
* stops the library USB task management process.\r
*/\r
-void EVENT_USB_DeviceUnattached(void)\r
+void EVENT_USB_Host_DeviceUnattached(void)\r
{\r
puts_P(PSTR("\r\nDevice Unattached.\r\n"));\r
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully\r
* enumerated by the host and is now ready to be used by the application.\r
*/\r
-void EVENT_USB_DeviceEnumerationComplete(void)\r
+void EVENT_USB_Host_DeviceEnumerationComplete(void)\r
{\r
LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
}\r
\r
/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */\r
-void EVENT_USB_HostError(const uint8_t ErrorCode)\r
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)\r
{\r
USB_ShutDown();\r
\r
- puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n"));\r
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);\r
+ printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"\r
+ " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);\r
\r
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
for(;;);\r
/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while\r
* enumerating an attached USB device.\r
*/\r
-void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r
{\r
- puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n"));\r
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);\r
- printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);\r
- printf_P(PSTR(" -- In State %d\r\n"), USB_HostState);\r
+ printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"\r
+ " -- Error Code %d\r\n"\r
+ " -- Sub Error Code %d\r\n"\r
+ " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);\r
\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
projects / pub / lufa.git / blobdiff