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Diffstat (limited to 'lib/lufa/Demos/Host/ClassDriver/JoystickHostWithParser/JoystickHostWithParser.c')
| -rw-r--r-- | lib/lufa/Demos/Host/ClassDriver/JoystickHostWithParser/JoystickHostWithParser.c | 286 |
1 files changed, 0 insertions, 286 deletions
diff --git a/lib/lufa/Demos/Host/ClassDriver/JoystickHostWithParser/JoystickHostWithParser.c b/lib/lufa/Demos/Host/ClassDriver/JoystickHostWithParser/JoystickHostWithParser.c deleted file mode 100644 index 0951328599..0000000000 --- a/lib/lufa/Demos/Host/ClassDriver/JoystickHostWithParser/JoystickHostWithParser.c +++ /dev/null @@ -1,286 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2017 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 disclaims all warranties with regard to this - software, including all implied warranties of merchantability - and fitness. In no event shall the author be liable for any - special, indirect or consequential damages or any damages - whatsoever resulting from loss of use, data or profits, whether - in an action of contract, negligence or other tortious action, - arising out of or in connection with the use or performance of - this software. -*/ - -/** \file - * - * 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" - -/** Processed HID report descriptor items structure, containing information on each HID report element */ -static HID_ReportInfo_t HIDReportInfo; - -/** 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 Joystick_HID_Interface = - { - .Config = - { - .DataINPipe = - { - .Address = (PIPE_DIR_IN | 1), - .Banks = 1, - }, - .DataOUTPipe = - { - .Address = (PIPE_DIR_OUT | 2), - .Banks = 1, - }, - .HIDInterfaceProtocol = HID_CSCP_NonBootProtocol, - .HIDParserData = &HIDReportInfo - }, - }; - - -/** Main program entry point. This routine configures the hardware required by the application, then - * enters a loop to run the application tasks in sequence. - */ -int main(void) -{ - SetupHardware(); - - puts_P(PSTR(ESC_FG_CYAN "Joystick Host Demo running.\r\n" ESC_FG_WHITE)); - - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); - GlobalInterruptEnable(); - - for (;;) - { - JoystickHost_Task(); - - HID_Host_USBTask(&Joystick_HID_Interface); - USB_USBTask(); - } -} - -/** Configures the board hardware and chip peripherals for the demo's functionality. */ -void SetupHardware(void) -{ -#if (ARCH == ARCH_AVR8) - /* Disable watchdog if enabled by bootloader/fuses */ - MCUSR &= ~(1 << WDRF); - wdt_disable(); - - /* Disable clock division */ - clock_prescale_set(clock_div_1); -#endif - - /* Hardware Initialization */ - Serial_Init(9600, false); - LEDs_Init(); - USB_Init(); - - /* Create a stdio stream for the serial port for stdin and stdout */ - Serial_CreateStream(NULL); -} - -/** Task to manage an enumerated USB joystick once connected, to display movement - * data as it is received. - */ -void JoystickHost_Task(void) -{ - if (USB_HostState != HOST_STATE_Configured) - return; - - if (HID_Host_IsReportReceived(&Joystick_HID_Interface)) - { - uint8_t JoystickReport[Joystick_HID_Interface.State.LargestReportSize]; - HID_Host_ReceiveReport(&Joystick_HID_Interface, &JoystickReport); - - uint8_t LEDMask = LEDS_NO_LEDS; - - for (uint8_t ReportNumber = 0; ReportNumber < HIDReportInfo.TotalReportItems; ReportNumber++) - { - HID_ReportItem_t* ReportItem = &HIDReportInfo.ReportItems[ReportNumber]; - - /* Update the report item value if it is contained within the current report */ - if (!(USB_GetHIDReportItemInfo(JoystickReport, ReportItem))) - continue; - - /* Determine what report item is being tested, process updated value as needed */ - if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_BUTTON) && - (ReportItem->ItemType == HID_REPORT_ITEM_In)) - { - if (ReportItem->Value) - LEDMask = LEDS_ALL_LEDS; - } - else if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_GENERIC_DCTRL) && - ((ReportItem->Attributes.Usage.Usage == USAGE_X) || - (ReportItem->Attributes.Usage.Usage == USAGE_Y)) && - (ReportItem->ItemType == HID_REPORT_ITEM_In)) - { - int16_t DeltaMovement = HID_ALIGN_DATA(ReportItem, int16_t); - - if (DeltaMovement) - { - if (ReportItem->Attributes.Usage.Usage == USAGE_X) - LEDMask |= ((DeltaMovement > 0) ? LEDS_LED1 : LEDS_LED2); - else - LEDMask |= ((DeltaMovement > 0) ? LEDS_LED3 : LEDS_LED4); - } - } - } - - LEDs_SetAllLEDs(LEDMask); - } -} - -/** 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_Host_DeviceAttached(void) -{ - puts_P(PSTR("Device Attached.\r\n")); - 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_Host_DeviceUnattached(void) -{ - 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_Host_DeviceEnumerationComplete(void) -{ - LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); - - uint16_t ConfigDescriptorSize; - uint8_t ConfigDescriptorData[512]; - - if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData, - sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful) - { - puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - return; - } - - if (HID_Host_ConfigurePipes(&Joystick_HID_Interface, - ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError) - { - puts_P(PSTR("Attached Device Not a Valid Joystick.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - return; - } - - if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful) - { - puts_P(PSTR("Error Setting Device Configuration.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - return; - } - - if (HID_Host_SetReportProtocol(&Joystick_HID_Interface) != 0) - { - puts_P(PSTR("Error Setting Report Protocol Mode or Not a Valid Joystick.\r\n")); - 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_Disable(); - - printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n" - " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode); - - 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_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, - const uint8_t SubErrorCode) -{ - 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); - - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); -} - -/** Callback for the HID Report Parser. This function is called each time the HID report parser is about to store - * an IN, OUT or FEATURE item into the HIDReportInfo structure. To save on RAM, we are able to filter out items - * we aren't interested in (preventing us from being able to extract them later on, but saving on the RAM they would - * have occupied). - * - * \param[in] CurrentItem Pointer to the item the HID report parser is currently working with - * - * \return Boolean \c true if the item should be stored into the HID report structure, \c false if it should be discarded - */ -bool CALLBACK_HIDParser_FilterHIDReportItem(HID_ReportItem_t* const CurrentItem) -{ - bool IsJoystick = false; - - /* Iterate through the item's collection path, until either the root collection node or a collection with the - * Joystick Usage is found - this prevents Mice, which use identical descriptors except for the Joystick usage - * parent node, from being erroneously treated as a joystick by the demo - */ - for (HID_CollectionPath_t* CurrPath = CurrentItem->CollectionPath; CurrPath != NULL; CurrPath = CurrPath->Parent) - { - if ((CurrPath->Usage.Page == USAGE_PAGE_GENERIC_DCTRL) && - (CurrPath->Usage.Usage == USAGE_JOYSTICK)) - { - IsJoystick = true; - break; - } - } - - /* If a collection with the joystick usage was not found, indicate that we are not interested in this item */ - if (!IsJoystick) - return false; - - /* Check the attributes of the current item - see if we are interested in it or not; - * only store BUTTON and GENERIC_DESKTOP_CONTROL items into the Processed HID Report - * structure to save RAM and ignore the rest - */ - return ((CurrentItem->Attributes.Usage.Page == USAGE_PAGE_BUTTON) || - (CurrentItem->Attributes.Usage.Page == USAGE_PAGE_GENERIC_DCTRL)); -} - |