X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/713670043a1edb714461fc83c2b8817f3db99961..d4b45e8502a27c0f5ad3e26eabd2b30e84c20bac:/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c diff --git a/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c b/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c index 5536d872b..8cb9396f8 100644 --- a/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c +++ b/Demos/Host/LowLevel/MouseHostWithParser/MouseHostWithParser.c @@ -1,21 +1,21 @@ /* LUFA Library - Copyright (C) Dean Camera, 2010. - + Copyright (C) Dean Camera, 2012. + dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com + www.lufa-lib.org */ /* - Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com) - Permission to use, copy, modify, distribute, and sell this + 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 + 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 + 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 @@ -33,7 +33,7 @@ * Main source file for the MouseHostWithParser demo. This file contains the main tasks of * the demo and is responsible for the initial application hardware configuration. */ - + #include "MouseHostWithParser.h" /** Main program entry point. This routine configures the hardware required by the application, then @@ -50,7 +50,8 @@ int main(void) for (;;) { - Mouse_HID_Task(); + MouseHost_Task(); + USB_USBTask(); } } @@ -64,11 +65,14 @@ void SetupHardware(void) /* Disable clock division */ clock_prescale_set(clock_div_1); - + /* Hardware Initialization */ - SerialStream_Init(9600, false); + Serial_Init(9600, false); LEDs_Init(); USB_Init(); + + /* Create a stdio stream for the serial port for stdin and stdout */ + Serial_CreateStream(NULL); } /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and @@ -94,13 +98,59 @@ 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) + { + 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; + } + + 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 Mouse." 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("Mouse Enumerated.\r\n")); 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_Host_HostError(const uint8_t ErrorCode) { - USB_ShutDown(); + USB_Disable(); printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n" " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode); @@ -119,126 +169,44 @@ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, " -- Error Code %d\r\n" " -- Sub Error Code %d\r\n" " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState); - + 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 and process the HID report descriptor and HID reports from the device and display the + * results onto the board LEDs. */ -void Mouse_HID_Task(void) +void MouseHost_Task(void) { - uint8_t ErrorCode; + if (USB_HostState != HOST_STATE_Configured) + return; - /* Switch to determine what user-application handled host state the host state machine is in */ - switch (USB_HostState) - { - 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")); + /* Select and unfreeze mouse data pipe */ + Pipe_SelectPipe(MOUSE_DATA_IN_PIPE); + Pipe_Unfreeze(); - 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) - { - 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(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 Mouse." 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; - } - - printf("Total Reports: %d\r\n", HIDReportInfo.TotalDeviceReports); + /* Check to see if a packet has been received */ + if (Pipe_IsINReceived()) + { + /* Check if data has been received from the attached mouse */ + if (Pipe_IsReadWriteAllowed()) + { + /* Create buffer big enough for the report */ + uint8_t MouseReport[Pipe_BytesInPipe()]; - for (uint8_t i = 0; i < HIDReportInfo.TotalDeviceReports; i++) - { - HID_ReportSizeInfo_t* CurrReportIDInfo = &HIDReportInfo.ReportIDSizes[i]; - - uint8_t ReportSizeInBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_In]; - uint8_t ReportSizeOutBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_Out]; - uint8_t ReportSizeFeatureBits = CurrReportIDInfo->ReportSizeBits[HID_REPORT_ITEM_Feature]; - - /* Print out the byte sizes of each report within the device */ - printf_P(PSTR(" + Report ID %d - In: %d bytes, Out: %d bytes, Feature: %d bytes\r\n"), - CurrReportIDInfo->ReportID, - ((ReportSizeInBits >> 3) + ((ReportSizeInBits & 0x07) != 0)), - ((ReportSizeOutBits >> 3) + ((ReportSizeOutBits & 0x07) != 0)), - ((ReportSizeFeatureBits >> 3) + ((ReportSizeFeatureBits & 0x07) != 0))); - } + /* Load in the mouse report */ + Pipe_Read_Stream_LE(MouseReport, Pipe_BytesInPipe(), NULL); - puts_P(PSTR("Mouse Enumerated.\r\n")); - - USB_HostState = HOST_STATE_Configured; - break; - case HOST_STATE_Configured: - /* Select and unfreeze mouse data pipe */ - Pipe_SelectPipe(MOUSE_DATAPIPE); - Pipe_Unfreeze(); - - /* Check to see if a packet has been received */ - if (Pipe_IsINReceived()) - { - /* Check if data has been received from the attached mouse */ - if (Pipe_IsReadWriteAllowed()) - { - /* Create buffer big enough for the report */ - uint8_t MouseReport[Pipe_BytesInPipe()]; - - /* Load in the mouse report */ - Pipe_Read_Stream_LE(MouseReport, Pipe_BytesInPipe()); - - /* Process the read in mouse report from the device */ - ProcessMouseReport(MouseReport); - } - - /* Clear the IN endpoint, ready for next data packet */ - Pipe_ClearIN(); - } + /* Process the read in mouse report from the device */ + ProcessMouseReport(MouseReport); + } - /* Freeze mouse data pipe */ - Pipe_Freeze(); - break; + /* Clear the IN endpoint, ready for next data packet */ + Pipe_ClearIN(); } + + /* Freeze mouse data pipe */ + Pipe_Freeze(); } /** Processes a read HID report from an attached mouse, extracting out elements via the HID parser results @@ -255,7 +223,7 @@ void ProcessMouseReport(uint8_t* MouseReport) { /* Create a temporary item pointer to the next report item */ HID_ReportItem_t* ReportItem = &HIDReportInfo.ReportItems[ReportNumber]; - + bool FoundData; if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_BUTTON) && @@ -263,7 +231,7 @@ void ProcessMouseReport(uint8_t* MouseReport) { /* Get the mouse button value */ FoundData = USB_GetHIDReportItemInfo(MouseReport, ReportItem); - + /* For multi-report devices - if the requested data was not in the issued report, continue */ if (!(FoundData)) continue; @@ -276,14 +244,14 @@ void ProcessMouseReport(uint8_t* MouseReport) (ReportItem->Attributes.Usage.Usage == USAGE_SCROLL_WHEEL) && (ReportItem->ItemType == HID_REPORT_ITEM_In)) { - /* Get the mouse wheel value if it is contained within the current + /* Get the mouse wheel value if it is contained within the current * report, if not, skip to the next item in the parser list */ if (!(USB_GetHIDReportItemInfo(MouseReport, ReportItem))) - continue; + continue; int16_t WheelDelta = HID_ALIGN_DATA(ReportItem, int16_t); - + if (WheelDelta) LEDMask = (LEDS_LED1 | LEDS_LED2 | ((WheelDelta > 0) ? LEDS_LED3 : LEDS_LED4)); } @@ -294,13 +262,13 @@ void ProcessMouseReport(uint8_t* MouseReport) { /* Get the mouse relative position value */ FoundData = USB_GetHIDReportItemInfo(MouseReport, ReportItem); - + /* For multi-report devices - if the requested data was not in the issued report, continue */ if (!(FoundData)) continue; - + int16_t DeltaMovement = HID_ALIGN_DATA(ReportItem, int16_t); - + /* Check to see if a (non-zero) delta movement has been indicated */ if (DeltaMovement) { @@ -312,7 +280,8 @@ void ProcessMouseReport(uint8_t* MouseReport) } } } - + /* Display the button information on the board LEDs */ LEDs_SetAllLEDs(LEDMask); -} \ No newline at end of file +} +