X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/eb060db71b629d72107e67a5057bf70f7d53307d..0da99447d3e88e83f9977501bee56af5c7aa56c0:/Demos/Host/LowLevel/JoystickHostWithParser/JoystickHostWithParser.c diff --git a/Demos/Host/LowLevel/JoystickHostWithParser/JoystickHostWithParser.c b/Demos/Host/LowLevel/JoystickHostWithParser/JoystickHostWithParser.c index e92c242d2..fda1fd903 100644 --- a/Demos/Host/LowLevel/JoystickHostWithParser/JoystickHostWithParser.c +++ b/Demos/Host/LowLevel/JoystickHostWithParser/JoystickHostWithParser.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 JoystickHostWithParser demo. This file contains the main tasks of * the demo and is responsible for the initial application hardware configuration. */ - + #include "JoystickHostWithParser.h" /** Main program entry point. This routine configures the hardware required by the application, then @@ -50,7 +50,8 @@ int main(void) for (;;) { - Joystick_HID_Task(); + JoystickHost_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 Joystick." 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("Joystick 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); @@ -118,126 +168,44 @@ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8 " -- 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 Joystick_HID_Task(void) +void JoystickHost_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")); - - printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); - - /* Indicate error via status LEDs */ - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + /* Select and unfreeze joystick data pipe */ + Pipe_SelectPipe(JOYSTICK_DATA_IN_PIPE); + Pipe_Unfreeze(); - /* 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 Joystick." 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 joystick */ + if (Pipe_IsReadWriteAllowed()) + { + /* Create buffer big enough for the report */ + uint8_t JoystickReport[Pipe_BytesInPipe()]; - for (uint8_t i = 0; i < HIDReportInfo.TotalDeviceReports; i++) - { - HID_ReportSizeInfo_t* CurrReportIDInfo = &HIDReportInfo.ReportIDSizes[i]; - - uint8_t ReportSizeInBits = CurrReportIDInfo->ReportSizeBits[REPORT_ITEM_TYPE_In]; - uint8_t ReportSizeOutBits = CurrReportIDInfo->ReportSizeBits[REPORT_ITEM_TYPE_Out]; - uint8_t ReportSizeFeatureBits = CurrReportIDInfo->ReportSizeBits[REPORT_ITEM_TYPE_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 joystick report */ + Pipe_Read_Stream_LE(JoystickReport, Pipe_BytesInPipe(), NULL); - puts_P(PSTR("Joystick Enumerated.\r\n")); - - USB_HostState = HOST_STATE_Configured; - break; - case HOST_STATE_Configured: - /* Select and unfreeze joystick data pipe */ - Pipe_SelectPipe(JOYSTICK_DATAPIPE); - Pipe_Unfreeze(); - - /* Check to see if a packet has been received */ - if (Pipe_IsINReceived()) - { - /* Check if data has been received from the attached joystick */ - if (Pipe_IsReadWriteAllowed()) - { - /* Create buffer big enough for the report */ - uint8_t JoystickReport[Pipe_BytesInPipe()]; - - /* Load in the joystick report */ - Pipe_Read_Stream_LE(JoystickReport, Pipe_BytesInPipe()); - - /* Process the read in joystick report from the device */ - ProcessJoystickReport(JoystickReport); - } - - /* Clear the IN endpoint, ready for next data packet */ - Pipe_ClearIN(); - } + /* Process the read in joystick report from the device */ + ProcessJoystickReport(JoystickReport); + } - /* Freeze joystick data pipe */ - Pipe_Freeze(); - break; + /* Clear the IN endpoint, ready for next data packet */ + Pipe_ClearIN(); } + + /* Freeze joystick data pipe */ + Pipe_Freeze(); } /** Processes a read HID report from an attached joystick, extracting out elements via the HID parser results @@ -254,15 +222,15 @@ void ProcessJoystickReport(uint8_t* JoystickReport) { /* 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) && - (ReportItem->ItemType == REPORT_ITEM_TYPE_In)) + (ReportItem->ItemType == HID_REPORT_ITEM_In)) { /* Get the joystick button value */ FoundData = USB_GetHIDReportItemInfo(JoystickReport, ReportItem); - + /* For multi-report devices - if the requested data was not in the issued report, continue */ if (!(FoundData)) continue; @@ -274,17 +242,17 @@ void ProcessJoystickReport(uint8_t* JoystickReport) else if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_GENERIC_DCTRL) && ((ReportItem->Attributes.Usage.Usage == USAGE_X) || (ReportItem->Attributes.Usage.Usage == USAGE_Y)) && - (ReportItem->ItemType == REPORT_ITEM_TYPE_In)) + (ReportItem->ItemType == HID_REPORT_ITEM_In)) { /* Get the joystick relative position value */ FoundData = USB_GetHIDReportItemInfo(JoystickReport, 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) { @@ -296,7 +264,8 @@ void ProcessJoystickReport(uint8_t* JoystickReport) } } } - + /* Display the button information on the board LEDs */ LEDs_SetAllLEDs(LEDMask); -} \ No newline at end of file +} +