Updated all host mode demos and projects to use the EVENT_USB_Host_DeviceEnumerationC...
[pub/USBasp.git] / Demos / Host / LowLevel / KeyboardHostWithParser / KeyboardHostWithParser.c
index ac70900..4837076 100644 (file)
@@ -50,7 +50,8 @@ int main(void)
 
        for (;;)
        {
-               Keyboard_HID_Task();
+               KeyboardHost_Task();
+
                USB_USBTask();
        }
 }
@@ -97,6 +98,53 @@ void EVENT_USB_Host_DeviceUnattached(void)
  */
 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 {
+       puts_P(PSTR("Getting Config Data.\r\n"));
+
+       uint8_t ErrorCode;
+
+       /* Get and process the configuration descriptor data */
+       if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
+       {
+               if (ErrorCode == ControlError)
+                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
+               else
+                 puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
+
+               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
+       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
+
+       {
+               puts_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"));
+               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       printf_P(PSTR("Processing HID Report (Size %d Bytes).\r\n"), HIDReportSize);
+
+       /* Get and process the device's first HID report descriptor */
+       if ((ErrorCode = GetHIDReportData()) != ParseSuccessful)
+       {
+               puts_P(PSTR(ESC_FG_RED "Report Parse Error.\r\n"));
+
+               if (!(HIDReportInfo.TotalReportItems))
+                       puts_P(PSTR("Not a valid Keyboard." ESC_FG_WHITE));
+               else
+                       printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               USB_Host_SetDeviceConfiguration(0);
+               return;
+       }
+
+       puts_P(PSTR("Keyboard Enumerated.\r\n"));
        LEDs_SetAllLEDs(LEDMASK_USB_READY);
 }
 
@@ -126,104 +174,40 @@ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 }
 
-/** Task to set the configuration of the attached device after it has been enumerated, and to read and process
- *  the HID report descriptor and HID reports from the device and display the results onto the board LEDs.
+/** Task to read in and processes the next report from the attached device, displaying the report
+ *  contents on the board LEDs and via the serial port.
  */
-void Keyboard_HID_Task(void)
+void KeyboardHost_Task(void)
 {
-       uint8_t ErrorCode;
-
-       switch (USB_HostState)
+       if (USB_HostState != HOST_STATE_Configured)
+         return;
+       
+       /* Select and unfreeze keyboard data pipe */
+       Pipe_SelectPipe(KEYBOARD_DATA_IN_PIPE);
+       Pipe_Unfreeze();
+
+       /* Check to see if a packet has been received */
+       if (Pipe_IsINReceived())
        {
-               case HOST_STATE_Addressed:
-                       puts_P(PSTR("Getting Config Data.\r\n"));
-
-                       /* Get and process the configuration descriptor data */
-                       if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
-                       {
-                               if (ErrorCode == ControlError)
-                                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
-                               else
-                                 puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
-
-                               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error via status LEDs */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
-                       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
-
-                       {
-                               puts_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"));
-                               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error via status LEDs */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       printf_P(PSTR("Processing HID Report (Size %d Bytes).\r\n"), HIDReportSize);
-
-                       /* Get and process the device's first HID report descriptor */
-                       if ((ErrorCode = GetHIDReportData()) != ParseSuccessful)
-                       {
-                               puts_P(PSTR(ESC_FG_RED "Report Parse Error.\r\n"));
-
-                               if (!(HIDReportInfo.TotalReportItems))
-                                       puts_P(PSTR("Not a valid Keyboard." ESC_FG_WHITE));
-                               else
-                                       printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error via status LEDs */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       puts_P(PSTR("Keyboard Enumerated.\r\n"));
-
-                       USB_HostState = HOST_STATE_Configured;
-                       break;
-               case HOST_STATE_Configured:
-                       /* Select and unfreeze keyboard data pipe */
-                       Pipe_SelectPipe(KEYBOARD_DATA_IN_PIPE);
-                       Pipe_Unfreeze();
-
-                       /* Check to see if a packet has been received */
-                       if (Pipe_IsINReceived())
-                       {
-                               /* Check if data has been received from the attached keyboard */
-                               if (Pipe_IsReadWriteAllowed())
-                               {
-                                       /* Create buffer big enough for the report */
-                                       uint8_t KeyboardReport[Pipe_BytesInPipe()];
-
-                                       /* Load in the keyboard report */
-                                       Pipe_Read_Stream_LE(KeyboardReport, Pipe_BytesInPipe(), NULL);
+               /* Check if data has been received from the attached keyboard */
+               if (Pipe_IsReadWriteAllowed())
+               {
+                       /* Create buffer big enough for the report */
+                       uint8_t KeyboardReport[Pipe_BytesInPipe()];
 
-                                       /* Process the read in keyboard report from the device */
-                                       ProcessKeyboardReport(KeyboardReport);
-                               }
+                       /* Load in the keyboard report */
+                       Pipe_Read_Stream_LE(KeyboardReport, Pipe_BytesInPipe(), NULL);
 
-                               /* Clear the IN endpoint, ready for next data packet */
-                               Pipe_ClearIN();
-                       }
+                       /* Process the read in keyboard report from the device */
+                       ProcessKeyboardReport(KeyboardReport);
+               }
 
-                       /* Freeze keyboard data pipe */
-                       Pipe_Freeze();
-                       break;
+               /* Clear the IN endpoint, ready for next data packet */
+               Pipe_ClearIN();
        }
+
+       /* Freeze keyboard data pipe */
+       Pipe_Freeze();
 }
 
 /** Processes a read HID report from an attached keyboard, extracting out elements via the HID parser results