diff options
author | tmk <hasu@tmk-kbd.com> | 2015-05-13 11:13:10 +0900 |
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committer | tmk <hasu@tmk-kbd.com> | 2015-05-13 11:13:10 +0900 |
commit | f6d56675f9f981c5464f0ca7a1fbb0162154e8c5 (patch) | |
tree | 57c9d4b3808a26116ae0ee7956fc00b84841aa2b /protocol/lufa/LUFA-git/Demos/Device/LowLevel/Joystick/Joystick.c | |
parent | 4d116a04e94cf0d19317d5b44e4fa9f34a3e5594 (diff) |
Squashed 'tmk_core/' changes from caca2c0..dc0e46e
dc0e46e Rename LUFA to LUFA-git
3bfa7fa Remove LUFA-120730
215b764 Merge commit 'afa0f22a9299686fd88f58ce09c5b521ac917e8f' as 'protocol/lufa/LUFA'
afa0f22 Squashed 'protocol/lufa/LUFA/' content from commit def7fca
c0c42fa Remove submodule of LUFA
30f897d Merge commit '87ced33feb74e79c3281dda36eb6d6d153399b41' as 'protocol/usb_hid/USB_Host_Shield_2.0'
87ced33 Squashed 'protocol/usb_hid/USB_Host_Shield_2.0/' content from commit aab4a69
14f6d49 Remove submodule of USB_Host_Shield_2.0
git-subtree-dir: tmk_core
git-subtree-split: dc0e46eaa4367d4e218f8816e3c117895820f07c
Diffstat (limited to 'protocol/lufa/LUFA-git/Demos/Device/LowLevel/Joystick/Joystick.c')
m--------- | protocol/lufa/LUFA-git | 0 | ||||
-rw-r--r-- | protocol/lufa/LUFA-git/Demos/Device/LowLevel/Joystick/Joystick.c | 217 |
2 files changed, 217 insertions, 0 deletions
diff --git a/protocol/lufa/LUFA-git b/protocol/lufa/LUFA-git deleted file mode 160000 -Subproject b6c18b2a7c544653efbe12a1d4e8ba65e7d83c3 diff --git a/protocol/lufa/LUFA-git/Demos/Device/LowLevel/Joystick/Joystick.c b/protocol/lufa/LUFA-git/Demos/Device/LowLevel/Joystick/Joystick.c new file mode 100644 index 0000000000..cabb6d6a36 --- /dev/null +++ b/protocol/lufa/LUFA-git/Demos/Device/LowLevel/Joystick/Joystick.c @@ -0,0 +1,217 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2014. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2014 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)); + } +} + |