Updated all host mode demos and projects to use the EVENT_USB_Host_DeviceEnumerationC...
[pub/USBasp.git] / Demos / Host / Incomplete / AndroidAccessoryHost / AndroidAccessoryHost.c
index d4df9a1..44772fe 100644 (file)
@@ -50,7 +50,7 @@ int main(void)
 
        for (;;)
        {
-               Android_Host_Task();
+               AndroidHost_Task();
                USB_USBTask();
        }
 }
@@ -74,6 +74,53 @@ void SetupHardware(void)
        Serial_CreateStream(NULL);
 }
 
+/** Task to set the configuration of the attached device after it has been enumerated. */
+void AndroidHost_Task(void)
+{
+       if (USB_HostState != HOST_STATE_Configured)
+         return;       
+
+       /* Select the data IN pipe */
+       Pipe_SelectPipe(ANDROID_DATA_IN_PIPE);
+       Pipe_Unfreeze();
+
+       /* Check to see if a packet has been received */
+       if (Pipe_IsINReceived())
+       {
+               /* Re-freeze IN pipe after the packet has been received */
+               Pipe_Freeze();
+
+               /* Check if data is in the pipe */
+               if (Pipe_IsReadWriteAllowed())
+               {
+                       uint8_t NextReceivedByte = Pipe_BytesInPipe();
+                       uint8_t LEDMask          = LEDS_NO_LEDS;
+
+                       if (NextReceivedByte & 0x01)
+                         LEDMask |= LEDS_LED1;
+
+                       if (NextReceivedByte & 0x02)
+                         LEDMask |= LEDS_LED2;
+
+                       if (NextReceivedByte & 0x04)
+                         LEDMask |= LEDS_LED3;
+
+                       if (NextReceivedByte & 0x08)
+                         LEDMask |= LEDS_LED4;
+
+                       LEDs_SetAllLEDs(LEDMask);
+               }
+               else
+               {
+                       /* Clear the pipe after all data in the packet has been read, ready for the next packet */
+                       Pipe_ClearIN();
+               }
+       }
+
+       /* Re-freeze IN pipe after use */
+       Pipe_Freeze();
+}
+
 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
  *  starts the library USB task to begin the enumeration and USB management process.
  */
@@ -97,6 +144,92 @@ void EVENT_USB_Host_DeviceUnattached(void)
  */
 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 {
+       puts_P(PSTR("Getting Device Data.\r\n"));
+
+       /* Get and process the configuration descriptor data */
+       uint8_t ErrorCode = ProcessDeviceDescriptor();
+       
+       bool RequiresModeSwitch = (ErrorCode == NonAccessoryModeAndroidDevice);
+
+       /* Error out if the device is not an Android device or an error occurred */
+       if ((ErrorCode != AccessoryModeAndroidDevice) && !(RequiresModeSwitch))
+       {
+               if (ErrorCode == DevControlError)
+                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Device).\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;
+       }
+
+       printf_P(PSTR("Android Device Detected - %sAccessory mode.\r\n"), (RequiresModeSwitch ? "Non-" : ""));
+       
+       /* Check if a valid Android device was attached, but it is not current in Accessory mode */
+       if (RequiresModeSwitch)
+       {
+               uint16_t AndroidProtocol;
+       
+               /* Fetch the version of the Android Accessory Protocol supported by the device */
+               if ((ErrorCode = Android_GetAccessoryProtocol(&AndroidProtocol)) != HOST_SENDCONTROL_Successful)
+               {
+                       printf_P(PSTR(ESC_FG_RED "Control Error (Get Protocol).\r\n"
+                                                " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+                       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+                       return;
+               }
+               
+               /* Validate the returned protocol version */
+               if (AndroidProtocol != ANDROID_PROTOCOL_Accessory)
+               {
+                       puts_P(PSTR(ESC_FG_RED "Accessory Mode Not Supported."));
+
+                       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+                       return;
+               }
+       
+               /* Send the device strings and start the Android Accessory Mode */
+               Android_SendString(ANDROID_STRING_Manufacturer, "Dean Camera");
+               Android_SendString(ANDROID_STRING_Model,        "LUFA Android Demo");
+               Android_SendString(ANDROID_STRING_Description,  "LUFA Android Demo");
+               Android_SendString(ANDROID_STRING_Version,      "1.0");
+               Android_SendString(ANDROID_STRING_URI,          "http://www.lufa-lib.org");
+               Android_SendString(ANDROID_STRING_Serial,       "0000000012345678");
+
+               Android_StartAccessoryMode();   
+               return;
+       }
+
+       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);
+
+               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)
+       {
+               printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
+                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       puts_P(PSTR("Accessory Mode Android Enumerated.\r\n"));
        LEDs_SetAllLEDs(LEDMASK_USB_READY);
 }
 
@@ -126,166 +259,3 @@ 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. */
-void Android_Host_Task(void)
-{
-       uint8_t ErrorCode;
-
-       switch (USB_HostState)
-       {
-               case HOST_STATE_Addressed:
-                       puts_P(PSTR("Getting Device Data.\r\n"));
-
-                       /* Get and process the configuration descriptor data */
-                       ErrorCode = ProcessDeviceDescriptor();
-                       
-                       bool RequiresModeSwitch = (ErrorCode == NonAccessoryModeAndroidDevice);
-
-                       /* Error out if the device is not an Android device or an error occurred */
-                       if ((ErrorCode != AccessoryModeAndroidDevice) && !(RequiresModeSwitch))
-                       {
-                               if (ErrorCode == DevControlError)
-                                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Device).\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(LEDS_LED1);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       printf_P(PSTR("Android Device Detected - %sAccessory mode.\r\n"), (RequiresModeSwitch ? "Non-" : ""));
-
-                       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
-                       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
-                       {
-                               printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
-                                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error via status LEDs */
-                               LEDs_SetAllLEDs(LEDS_LED1);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-                       
-                       /* Check if a valid Android device was attached, but it is not current in Accessory mode */
-                       if (RequiresModeSwitch)
-                       {
-                               uint16_t AndroidProtocol;
-                       
-                               /* Fetch the version of the Android Accessory Protocol supported by the device */
-                               if ((ErrorCode = Android_GetAccessoryProtocol(&AndroidProtocol)) != HOST_SENDCONTROL_Successful)
-                               {
-                                       printf_P(PSTR(ESC_FG_RED "Control Error (Get Protocol).\r\n"
-                                                                " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                                       /* Indicate error via status LEDs */
-                                       LEDs_SetAllLEDs(LEDS_LED1);
-
-                                       /* Wait until USB device disconnected */
-                                       USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                                       break;
-                               }
-                               
-                               /* Validate the returned protocol version */
-                               if (AndroidProtocol != ANDROID_PROTOCOL_Accessory)
-                               {
-                                       puts_P(PSTR(ESC_FG_RED "Accessory Mode Not Supported."));
-
-                                       /* Indicate error via status LEDs */
-                                       LEDs_SetAllLEDs(LEDS_LED1);
-
-                                       /* Wait until USB device disconnected */
-                                       USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                                       break;
-                               }
-                       
-                               /* Send the device strings and start the Android Accessory Mode */
-                               Android_SendString(ANDROID_STRING_Manufacturer, "Dean Camera");
-                               Android_SendString(ANDROID_STRING_Model,        "LUFA Android Demo");
-                               Android_SendString(ANDROID_STRING_Description,  "LUFA Android Demo");
-                               Android_SendString(ANDROID_STRING_Version,      "1.0");
-                               Android_SendString(ANDROID_STRING_URI,          "http://www.lufa-lib.org");
-                               Android_SendString(ANDROID_STRING_Serial,       "0000000012345678");
-                               Android_StartAccessoryMode();
-                       
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       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(LEDS_LED1);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       puts_P(PSTR("Accessory Mode Android Enumerated.\r\n"));
-
-                       USB_HostState = HOST_STATE_Configured;
-                       break;
-               case HOST_STATE_Configured:
-                       /* Select the data IN pipe */
-                       Pipe_SelectPipe(ANDROID_DATA_IN_PIPE);
-                       Pipe_Unfreeze();
-
-                       /* Check to see if a packet has been received */
-                       if (Pipe_IsINReceived())
-                       {
-                               /* Re-freeze IN pipe after the packet has been received */
-                               Pipe_Freeze();
-
-                               /* Check if data is in the pipe */
-                               if (Pipe_IsReadWriteAllowed())
-                               {
-                                       uint8_t NextReceivedByte = Pipe_BytesInPipe();
-                                       uint8_t LEDMask          = LEDS_NO_LEDS;
-
-                                       if (NextReceivedByte & 0x01)
-                                               LEDMask |= LEDS_LED1;
-
-                                       if (NextReceivedByte & 0x02)
-                                               LEDMask |= LEDS_LED2;
-
-                                       if (NextReceivedByte & 0x04)
-                                               LEDMask |= LEDS_LED3;
-
-                                       if (NextReceivedByte & 0x08)
-                                               LEDMask |= LEDS_LED4;
-
-                                       LEDs_SetAllLEDs(LEDMask);
-                               }
-                               else
-                               {
-                                       /* Clear the pipe after all data in the packet has been read, ready for the next packet */
-                                       Pipe_ClearIN();
-                               }
-                       }
-
-                       /* Re-freeze IN pipe after use */
-                       Pipe_Freeze();
-                       break;                  
-       }
-}
-