X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f1199200e167a737a4676378da184387e543830c..b2bdfe437762a9a88b4de1cada7f794b255b0d97:/Demos/Host/ClassDriver/MouseHost/MouseHost.c diff --git a/Demos/Host/ClassDriver/MouseHost/MouseHost.c b/Demos/Host/ClassDriver/MouseHost/MouseHost.c index 7db95808a..7d241afa3 100644 --- a/Demos/Host/ClassDriver/MouseHost/MouseHost.c +++ b/Demos/Host/ClassDriver/MouseHost/MouseHost.c @@ -1,21 +1,21 @@ /* LUFA Library - Copyright (C) Dean Camera, 2009. + Copyright (C) Dean Camera, 2010. dean [at] fourwalledcubicle [dot] com www.fourwalledcubicle.com */ /* - Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, and distribute this software - and its documentation for any purpose and without fee is hereby - granted, provided that the above copyright notice appear in all - copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the software without specific, written prior permission. The author disclaim all warranties with regard to this @@ -36,296 +36,181 @@ #include "MouseHost.h" -/* Scheduler Task List */ -TASK_LIST -{ - { .Task = USB_USBTask , .TaskStatus = TASK_STOP }, - { .Task = USB_Mouse_Host , .TaskStatus = TASK_STOP }, -}; - +/** LUFA HID Class driver interface configuration and state information. This structure is + * passed to all HID Class driver functions, so that multiple instances of the same class + * within a device can be differentiated from one another. + */ +USB_ClassInfo_HID_Host_t Mouse_HID_Interface = + { + .Config = + { + .DataINPipeNumber = 1, + .DataINPipeDoubleBank = false, + + .DataOUTPipeNumber = 2, + .DataOUTPipeDoubleBank = false, + + .HIDInterfaceProtocol = HID_BOOT_MOUSE_PROTOCOL, + }, + }; + /** Main program entry point. This routine configures the hardware required by the application, then - * starts the scheduler to run the application tasks. + * enters a loop to run the application tasks in sequence. */ int main(void) { + SetupHardware(); + + puts_P(PSTR(ESC_FG_CYAN "Mouse Host Demo running.\r\n" ESC_FG_WHITE)); + + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); + + for (;;) + { + switch (USB_HostState) + { + case HOST_STATE_Addressed: + LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); + + uint16_t ConfigDescriptorSize; + uint8_t ConfigDescriptorData[512]; + + if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData, + sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful) + { + printf("Error Retrieving Configuration Descriptor.\r\n"); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_HostState = HOST_STATE_WaitForDeviceRemoval; + break; + } + + if (HID_Host_ConfigurePipes(&Mouse_HID_Interface, + ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError) + { + printf("Attached Device Not a Valid Mouse.\r\n"); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_HostState = HOST_STATE_WaitForDeviceRemoval; + break; + } + + if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful) + { + printf("Error Setting Device Configuration.\r\n"); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_HostState = HOST_STATE_WaitForDeviceRemoval; + break; + } + + if (HID_Host_SetBootProtocol(&Mouse_HID_Interface) != 0) + { + printf("Could not Set Boot Protocol Mode.\r\n"); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_HostState = HOST_STATE_WaitForDeviceRemoval; + break; + } + + printf("Mouse Enumerated.\r\n"); + USB_HostState = HOST_STATE_Configured; + break; + case HOST_STATE_Configured: + if (HID_Host_IsReportReceived(&Mouse_HID_Interface)) + { + uint8_t LEDMask = LEDS_NO_LEDS; + + USB_MouseReport_Data_t MouseReport; + HID_Host_ReceiveReport(&Mouse_HID_Interface, &MouseReport); + + printf_P(PSTR("dX:%2d dY:%2d Button:%d\r\n"), MouseReport.X, + MouseReport.Y, + MouseReport.Button); + if (MouseReport.X > 0) + LEDMask |= LEDS_LED1; + else if (MouseReport.X < 0) + LEDMask |= LEDS_LED2; + + if (MouseReport.Y > 0) + LEDMask |= LEDS_LED3; + else if (MouseReport.Y < 0) + LEDMask |= LEDS_LED4; + + if (MouseReport.Button) + LEDMask = LEDS_ALL_LEDS; + + LEDs_SetAllLEDs(LEDMask); + } + + break; + } + + HID_Host_USBTask(&Mouse_HID_Interface); + USB_USBTask(); + } +} + +/** Configures the board hardware and chip peripherals for the demo's functionality. */ +void SetupHardware(void) +{ /* Disable watchdog if enabled by bootloader/fuses */ MCUSR &= ~(1 << WDRF); wdt_disable(); /* Disable clock division */ clock_prescale_set(clock_div_1); - + /* Hardware Initialization */ SerialStream_Init(9600, false); LEDs_Init(); - - /* Indicate USB not ready */ - UpdateStatus(Status_USBNotReady); - - /* Initialize Scheduler so that it can be used */ - Scheduler_Init(); - - /* Initialize USB Subsystem */ USB_Init(); - - /* Start-up message */ - puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY - "Mouse Host Demo running.\r\n" ESC_INVERSE_OFF)); - - /* Scheduling - routine never returns, so put this last in the main function */ - Scheduler_Start(); } /** 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. */ -void EVENT_USB_DeviceAttached(void) +void EVENT_USB_Host_DeviceAttached(void) { puts_P(PSTR("Device Attached.\r\n")); - UpdateStatus(Status_USBEnumerating); - - /* Start USB management task to enumerate the device */ - Scheduler_SetTaskMode(USB_USBTask, TASK_RUN); + LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); } /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and * stops the library USB task management process. */ -void EVENT_USB_DeviceUnattached(void) +void EVENT_USB_Host_DeviceUnattached(void) { - /* Stop mouse and USB management task */ - Scheduler_SetTaskMode(USB_USBTask, TASK_STOP); - Scheduler_SetTaskMode(USB_Mouse_Host, TASK_STOP); - - puts_P(PSTR("Device Unattached.\r\n")); - UpdateStatus(Status_USBNotReady); + puts_P(PSTR("\r\nDevice Unattached.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); } /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully * enumerated by the host and is now ready to be used by the application. */ -void EVENT_USB_DeviceEnumerationComplete(void) +void EVENT_USB_Host_DeviceEnumerationComplete(void) { - /* Start Mouse Host task */ - Scheduler_SetTaskMode(USB_Mouse_Host, TASK_RUN); - - /* Indicate device enumeration complete */ - UpdateStatus(Status_USBReady); + LEDs_SetAllLEDs(LEDMASK_USB_READY); } /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */ -void EVENT_USB_HostError(const uint8_t ErrorCode) +void EVENT_USB_Host_HostError(const uint8_t ErrorCode) { USB_ShutDown(); - puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n")); - printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode); + printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n" + " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode); - UpdateStatus(Status_HardwareError); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); for(;;); } /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while * enumerating an attached USB device. */ -void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode) -{ - puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n")); - printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode); - printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode); - printf_P(PSTR(" -- In State %d\r\n"), USB_HostState); - - UpdateStatus(Status_EnumerationError); -} - -/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to - * log to a serial port, or anything else that is suitable for status updates. - * - * \param CurrentStatus Current status of the system, from the MouseHost_StatusCodes_t enum - */ -void UpdateStatus(uint8_t CurrentStatus) +void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode) { - uint8_t LEDMask = LEDS_NO_LEDS; - - /* Set the LED mask to the appropriate LED mask based on the given status code */ - switch (CurrentStatus) - { - case Status_USBNotReady: - LEDMask = (LEDS_LED1); - break; - case Status_USBEnumerating: - LEDMask = (LEDS_LED1 | LEDS_LED2); - break; - case Status_USBReady: - LEDMask = (LEDS_LED2); - break; - case Status_EnumerationError: - case Status_HardwareError: - LEDMask = (LEDS_LED1 | LEDS_LED3); - break; - } + printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n" + " -- Error Code %d\r\n" + " -- Sub Error Code %d\r\n" + " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState); - /* Set the board LEDs to the new LED mask */ - LEDs_SetAllLEDs(LEDMask); -} - -/** Reads in and processes the next report from the attached device, displaying the report - * contents on the board LEDs and via the serial port. - */ -void ReadNextReport(void) -{ - USB_MouseReport_Data_t MouseReport; - uint8_t LEDMask = LEDS_NO_LEDS; - - /* Select mouse data pipe */ - Pipe_SelectPipe(MOUSE_DATAPIPE); - - /* Unfreeze keyboard data pipe */ - Pipe_Unfreeze(); - - /* Check to see if a packet has been received */ - if (!(Pipe_IsINReceived())) - { - /* Refreeze HID data IN pipe */ - Pipe_Freeze(); - - return; - } - - /* Ensure pipe contains data before trying to read from it */ - if (Pipe_IsReadWriteAllowed()) - { - /* Read in mouse report data */ - Pipe_Read_Stream_LE(&MouseReport, sizeof(MouseReport)); - - /* Alter status LEDs according to mouse X movement */ - if (MouseReport.X > 0) - LEDMask |= LEDS_LED1; - else if (MouseReport.X < 0) - LEDMask |= LEDS_LED2; - - /* Alter status LEDs according to mouse Y movement */ - if (MouseReport.Y > 0) - LEDMask |= LEDS_LED3; - else if (MouseReport.Y < 0) - LEDMask |= LEDS_LED4; - - /* Alter status LEDs according to mouse button position */ - if (MouseReport.Button) - LEDMask = LEDS_ALL_LEDS; - - LEDs_SetAllLEDs(LEDMask); - - /* Print mouse report data through the serial port */ - printf_P(PSTR("dX:%2d dY:%2d Button:%d\r\n"), MouseReport.X, - MouseReport.Y, - MouseReport.Button); - } - - /* Clear the IN endpoint, ready for next data packet */ - Pipe_ClearIN(); - - /* Refreeze mouse data pipe */ - Pipe_Freeze(); -} - -/** Task to set the configuration of the attached device after it has been enumerated, and to read and process - * HID reports from the device and display the results onto the board LEDs. - */ -TASK(USB_Mouse_Host) -{ - uint8_t ErrorCode; - - /* Switch to determine what user-application handled host state the host state machine is in */ - switch (USB_HostState) - { - case HOST_STATE_Addressed: - /* Standard request to set the device configuration to configuration 1 */ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE), - .bRequest = REQ_SetConfiguration, - .wValue = 1, - .wIndex = 0, - .wLength = 0, - }; - - /* Select the control pipe for the request transfer */ - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - /* Send the request, display error and wait for device detach if request fails */ - if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful) - { - puts_P(PSTR("Control Error (Set Configuration).\r\n")); - printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode); - - /* Indicate error status */ - UpdateStatus(Status_EnumerationError); - - /* Wait until USB device disconnected */ - while (USB_IsConnected); - break; - } - - USB_HostState = HOST_STATE_Configured; - break; - case HOST_STATE_Configured: - 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("Control Error (Get Configuration).\r\n")); - else - puts_P(PSTR("Invalid Device.\r\n")); - - printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode); - - /* Indicate error status */ - UpdateStatus(Status_EnumerationError); - - /* Wait until USB device disconnected */ - while (USB_IsConnected); - break; - } - - /* HID class request to set the mouse protocol to the Boot Protocol */ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = REQ_SetProtocol, - .wValue = 0, - .wIndex = 0, - .wLength = 0, - }; - - /* Select the control pipe for the request transfer */ - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - /* Send the request, display error and wait for device detach if request fails */ - if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful) - { - puts_P(PSTR("Control Error (Set Protocol).\r\n")); - printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode); - - /* Indicate error status */ - UpdateStatus(Status_EnumerationError); - - /* Wait until USB device disconnected */ - while (USB_IsConnected); - break; - } - - puts_P(PSTR("Mouse Enumerated.\r\n")); - - USB_HostState = HOST_STATE_Ready; - break; - case HOST_STATE_Ready: - /* If a report has been received, read and process it */ - ReadNextReport(); - - break; - } + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); }