diff options
Diffstat (limited to 'lib/lufa/Demos/Device/LowLevel/Joystick/Joystick.c')
| -rw-r--r-- | lib/lufa/Demos/Device/LowLevel/Joystick/Joystick.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/lib/lufa/Demos/Device/LowLevel/Joystick/Joystick.c b/lib/lufa/Demos/Device/LowLevel/Joystick/Joystick.c deleted file mode 100644 index 7536d1a5fe..0000000000 --- a/lib/lufa/Demos/Device/LowLevel/Joystick/Joystick.c +++ /dev/null @@ -1,217 +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 Joystick demo. This file contains the main tasks of the demo and - * is responsible for the initial application hardware configuration. - */ - -#include "Joystick.h" - -/** 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(); - - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); - GlobalInterruptEnable(); - - for (;;) - { - HID_Task(); - 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); -#elif (ARCH == ARCH_XMEGA) - /* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */ - XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU); - XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL); - - /* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */ - XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ); - XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB); - - PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm; -#endif - - /* Hardware Initialization */ - Joystick_Init(); - LEDs_Init(); - Buttons_Init(); - USB_Init(); -} - -/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and - * starts the library USB task to begin the enumeration and USB management process. - */ -void EVENT_USB_Device_Connect(void) -{ - /* Indicate USB enumerating */ - LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); -} - -/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via - * the status LEDs and stops the USB management and joystick reporting tasks. - */ -void EVENT_USB_Device_Disconnect(void) -{ - /* Indicate USB not ready */ - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); -} - -/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration - * of the USB device after enumeration - the device endpoints are configured and the joystick reporting task started. - */ -void EVENT_USB_Device_ConfigurationChanged(void) -{ - bool ConfigSuccess = true; - - /* Setup HID Report Endpoint */ - ConfigSuccess &= Endpoint_ConfigureEndpoint(JOYSTICK_EPADDR, EP_TYPE_INTERRUPT, JOYSTICK_EPSIZE, 1); - - /* Indicate endpoint configuration success or failure */ - LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR); -} - -/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to - * the device from the USB host before passing along unhandled control requests to the library for processing - * internally. - */ -void EVENT_USB_Device_ControlRequest(void) -{ - /* Handle HID Class specific requests */ - switch (USB_ControlRequest.bRequest) - { - case HID_REQ_GetReport: - if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)) - { - USB_JoystickReport_Data_t JoystickReportData; - - /* Create the next HID report to send to the host */ - GetNextReport(&JoystickReportData); - - Endpoint_ClearSETUP(); - - /* Write the report data to the control endpoint */ - Endpoint_Write_Control_Stream_LE(&JoystickReportData, sizeof(JoystickReportData)); - Endpoint_ClearOUT(); - } - - break; - } -} - -/** Fills the given HID report data structure with the next HID report to send to the host. - * - * \param[out] ReportData Pointer to a HID report data structure to be filled - * - * \return Boolean \c true if the new report differs from the last report, \c false otherwise - */ -bool GetNextReport(USB_JoystickReport_Data_t* const ReportData) -{ - static uint8_t PrevJoyStatus = 0; - static uint8_t PrevButtonStatus = 0; - uint8_t JoyStatus_LCL = Joystick_GetStatus(); - uint8_t ButtonStatus_LCL = Buttons_GetStatus(); - bool InputChanged = false; - - /* Clear the report contents */ - memset(ReportData, 0, sizeof(USB_JoystickReport_Data_t)); - - if (JoyStatus_LCL & JOY_UP) - ReportData->Y = -100; - else if (JoyStatus_LCL & JOY_DOWN) - ReportData->Y = 100; - - if (JoyStatus_LCL & JOY_LEFT) - ReportData->X = -100; - else if (JoyStatus_LCL & JOY_RIGHT) - ReportData->X = 100; - - if (JoyStatus_LCL & JOY_PRESS) - ReportData->Button |= (1 << 1); - - if (ButtonStatus_LCL & BUTTONS_BUTTON1) - ReportData->Button |= (1 << 0); - - /* Check if the new report is different to the previous report */ - InputChanged = (uint8_t)(PrevJoyStatus ^ JoyStatus_LCL) | (uint8_t)(PrevButtonStatus ^ ButtonStatus_LCL); - - /* Save the current joystick status for later comparison */ - PrevJoyStatus = JoyStatus_LCL; - PrevButtonStatus = ButtonStatus_LCL; - - /* Return whether the new report is different to the previous report or not */ - return InputChanged; -} - -/** Function to manage HID report generation and transmission to the host. */ -void HID_Task(void) -{ - /* Device must be connected and configured for the task to run */ - if (USB_DeviceState != DEVICE_STATE_Configured) - return; - - /* Select the Joystick Report Endpoint */ - Endpoint_SelectEndpoint(JOYSTICK_EPADDR); - - /* Check to see if the host is ready for another packet */ - if (Endpoint_IsINReady()) - { - USB_JoystickReport_Data_t JoystickReportData; - - /* Create the next HID report to send to the host */ - GetNextReport(&JoystickReportData); - - /* Write Joystick Report Data */ - Endpoint_Write_Stream_LE(&JoystickReportData, sizeof(JoystickReportData), NULL); - - /* Finalize the stream transfer to send the last packet */ - Endpoint_ClearIN(); - - /* Clear the report data afterwards */ - memset(&JoystickReportData, 0, sizeof(JoystickReportData)); - } -} - |