Improve documentation for the ADC and TWI drivers.
[pub/USBasp.git] / Demos / Host / ClassDriver / MouseHost / MouseHost.c
index 9b4db30..7d241af 100644 (file)
@@ -1,21 +1,21 @@
 /*\r
              LUFA Library\r
 /*\r
              LUFA Library\r
-     Copyright (C) Dean Camera, 2009.\r
+     Copyright (C) Dean Camera, 2010.\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
-  Permission to use, copy, modify, and distribute this software\r
-  and its documentation for any purpose and without fee is hereby\r
-  granted, provided that the above copyright notice appear in all\r
-  copies and that both that the copyright notice and this\r
-  permission notice and warranty disclaimer appear in supporting\r
-  documentation, and that the name of the author not be used in\r
-  advertising or publicity pertaining to distribution of the\r
+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+  Permission to use, copy, modify, distribute, and sell this \r
+  software and its documentation for any purpose is hereby granted\r
+  without fee, provided that the above copyright notice appear in \r
+  all copies and that both that the copyright notice and this\r
+  permission notice and warranty disclaimer appear in supporting \r
+  documentation, and that the name of the author not be used in \r
+  advertising or publicity pertaining to distribution of the \r
   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r
   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r
  \r
 #include "MouseHost.h"\r
 \r
  \r
 #include "MouseHost.h"\r
 \r
+/** LUFA HID Class driver interface configuration and state information. This structure is\r
+ *  passed to all HID 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_HID_Host_t Mouse_HID_Interface =\r
+       {\r
+               .Config =\r
+                       {\r
+                               .DataINPipeNumber       = 1,\r
+                               .DataINPipeDoubleBank   = false,\r
+                               \r
+                               .DataOUTPipeNumber      = 2,\r
+                               .DataOUTPipeDoubleBank  = false,\r
+                               \r
+                               .HIDInterfaceProtocol   = HID_BOOT_MOUSE_PROTOCOL,\r
+                       },\r
+       };\r
+\r
+       \r
 /** Main program entry point. This routine configures the hardware required by the application, then\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
+ *  enters a loop to run the application tasks in sequence.\r
  */\r
 int main(void)\r
 {\r
        SetupHardware();\r
 \r
  */\r
 int main(void)\r
 {\r
        SetupHardware();\r
 \r
-       puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY\r
-              "Mouse HID Host Demo running.\r\n" ESC_INVERSE_OFF));\r
+       puts_P(PSTR(ESC_FG_CYAN "Mouse Host Demo running.\r\n" ESC_FG_WHITE));\r
 \r
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
 \r
        for (;;)\r
        {\r
 \r
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
 \r
        for (;;)\r
        {\r
-               Mouse_HID_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_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,\r
+                                                                      sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)\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 (HID_Host_ConfigurePipes(&Mouse_HID_Interface,\r
+                                                           ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError)\r
+                               {\r
+                                       printf("Attached Device Not a Valid Mouse.\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
+                               if (HID_Host_SetBootProtocol(&Mouse_HID_Interface) != 0)\r
+                               {\r
+                                       printf("Could not Set Boot Protocol Mode.\r\n");\r
+                                       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+                                       USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+                                       break;\r
+                               }\r
+                               \r
+                               printf("Mouse Enumerated.\r\n");\r
+                               USB_HostState = HOST_STATE_Configured;\r
+                               break;\r
+                       case HOST_STATE_Configured:\r
+                               if (HID_Host_IsReportReceived(&Mouse_HID_Interface))\r
+                               {\r
+                                       uint8_t LEDMask  = LEDS_NO_LEDS;\r
+                               \r
+                                       USB_MouseReport_Data_t MouseReport;\r
+                                       HID_Host_ReceiveReport(&Mouse_HID_Interface, &MouseReport);\r
+                                       \r
+                                       printf_P(PSTR("dX:%2d dY:%2d Button:%d\r\n"), MouseReport.X,\r
+                                                                                                                                 MouseReport.Y,\r
+                                                                                                                                 MouseReport.Button);\r
+                                       if (MouseReport.X > 0)\r
+                                         LEDMask |= LEDS_LED1;\r
+                                       else if (MouseReport.X < 0)\r
+                                         LEDMask |= LEDS_LED2;\r
+                                               \r
+                                       if (MouseReport.Y > 0)\r
+                                         LEDMask |= LEDS_LED3;\r
+                                       else if (MouseReport.Y < 0)\r
+                                         LEDMask |= LEDS_LED4;\r
+\r
+                                       if (MouseReport.Button)\r
+                                         LEDMask  = LEDS_ALL_LEDS;\r
+\r
+                                       LEDs_SetAllLEDs(LEDMask);\r
+                               }\r
+                               \r
+                               break;\r
+               }\r
+       \r
+               HID_Host_USBTask(&Mouse_HID_Interface);\r
                USB_USBTask();\r
        }\r
 }\r
                USB_USBTask();\r
        }\r
 }\r
@@ -64,7 +157,7 @@ void SetupHardware(void)
 \r
        /* Disable clock division */\r
        clock_prescale_set(clock_div_1);\r
 \r
        /* Disable clock division */\r
        clock_prescale_set(clock_div_1);\r
-       \r
+\r
        /* Hardware Initialization */\r
        SerialStream_Init(9600, false);\r
        LEDs_Init();\r
        /* Hardware Initialization */\r
        SerialStream_Init(9600, false);\r
        LEDs_Init();\r
@@ -74,7 +167,7 @@ void SetupHardware(void)
 /** 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
 /** 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
 {\r
        puts_P(PSTR("Device Attached.\r\n"));\r
        LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
@@ -83,27 +176,27 @@ void EVENT_USB_DeviceAttached(void)
 /** 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
 /** 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
 {\r
-       puts_P(PSTR("Device Unattached.\r\n"));\r
+       puts_P(PSTR("\r\nDevice Unattached.\r\n"));\r
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
 }\r
 \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
        LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
 }\r
 \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
 {\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
 {\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
 \r
        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
        for(;;);\r
@@ -112,172 +205,12 @@ void EVENT_USB_HostError(const uint8_t ErrorCode)
 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while\r
  *  enumerating an attached USB device.\r
  */\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
 {\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
-\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
        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
 }\r
-\r
-/** Reads in and processes the next report from the attached device, displaying the report\r
- *  contents on the board LEDs and via the serial port.\r
- */\r
-void ReadNextReport(void)\r
-{\r
-       USB_MouseReport_Data_t MouseReport;\r
-       uint8_t                LEDMask = LEDS_NO_LEDS;\r
-\r
-       /* Select mouse data pipe */\r
-       Pipe_SelectPipe(MOUSE_DATAPIPE);        \r
-\r
-       /* Unfreeze keyboard data pipe */\r
-       Pipe_Unfreeze();\r
-\r
-       /* Check to see if a packet has been received */\r
-       if (!(Pipe_IsINReceived()))\r
-       {\r
-               /* Refreeze HID data IN pipe */\r
-               Pipe_Freeze();\r
-                       \r
-               return;\r
-       }\r
-\r
-       /* Ensure pipe contains data before trying to read from it */\r
-       if (Pipe_IsReadWriteAllowed())\r
-       {\r
-               /* Read in mouse report data */\r
-               Pipe_Read_Stream_LE(&MouseReport, sizeof(MouseReport));                         \r
-\r
-               /* Alter status LEDs according to mouse X movement */\r
-               if (MouseReport.X > 0)\r
-                 LEDMask |= LEDS_LED1;\r
-               else if (MouseReport.X < 0)\r
-                 LEDMask |= LEDS_LED2;\r
-                       \r
-               /* Alter status LEDs according to mouse Y movement */\r
-               if (MouseReport.Y > 0)\r
-                 LEDMask |= LEDS_LED3;\r
-               else if (MouseReport.Y < 0)\r
-                 LEDMask |= LEDS_LED4;\r
-\r
-               /* Alter status LEDs according to mouse button position */\r
-               if (MouseReport.Button)\r
-                 LEDMask  = LEDS_ALL_LEDS;\r
-               \r
-               LEDs_SetAllLEDs(LEDMask);\r
-               \r
-               /* Print mouse report data through the serial port */\r
-               printf_P(PSTR("dX:%2d dY:%2d Button:%d\r\n"), MouseReport.X,\r
-                                                                                                         MouseReport.Y,\r
-                                                                                                         MouseReport.Button);\r
-       }\r
-\r
-       /* Clear the IN endpoint, ready for next data packet */\r
-       Pipe_ClearIN();\r
-\r
-       /* Refreeze mouse data pipe */\r
-       Pipe_Freeze();\r
-}\r
-\r
-/** Task to set the configuration of the attached device after it has been enumerated, and to read and process\r
- *  HID reports from the device and display the results onto the board LEDs.\r
- */\r
-void Mouse_HID_Task(void)\r
-{\r
-       uint8_t ErrorCode;\r
-\r
-       /* Switch to determine what user-application handled host state the host state machine is in */\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 status */\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 status */\r
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
-\r
-                               /* Wait until USB device disconnected */\r
-                               while (USB_IsConnected);\r
-                               break;\r
-                       }\r
-               \r
-                       /* HID class request to set the mouse protocol to the Boot Protocol */\r
-                       USB_ControlRequest = (USB_Request_Header_t)\r
-                               {\r
-                                       .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
-                                       .bRequest      = REQ_SetProtocol,\r
-                                       .wValue        = 0,\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 Protocol).\r\n"));\r
-                               printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
-\r
-                               /* Indicate error status */\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("Mouse Enumerated.\r\n"));\r
-                       \r
-                       USB_HostState = HOST_STATE_Ready;\r
-                       break;\r
-               case HOST_STATE_Ready:\r
-                       /* If a report has been received, read and process it */\r
-                       ReadNextReport();\r
-\r
-                       break;\r
-       }\r
-}\r