You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
203 lines
7.2 KiB
203 lines
7.2 KiB
8 years ago
|
/*
|
||
|
|
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"
|
||
|
|
|
||
|
|
/** Buffer to hold the previously generated HID report, for comparison purposes inside the HID class driver. */
|
||
|
|
static uint8_t PrevJoystickHIDReportBuffer[sizeof(USB_JoystickReport_Data_t)];
|
||
|
|
|
||
|
|
/** 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_Device_t Joystick_HID_Interface =
|
||
|
|
{
|
||
|
|
.Config =
|
||
|
|
{
|
||
|
|
.InterfaceNumber = INTERFACE_ID_Joystick,
|
||
|
|
.ReportINEndpoint =
|
||
|
|
{
|
||
|
|
.Address = JOYSTICK_EPADDR,
|
||
|
|
.Size = JOYSTICK_EPSIZE,
|
||
|
|
.Banks = 1,
|
||
|
|
},
|
||
|
|
.PrevReportINBuffer = PrevJoystickHIDReportBuffer,
|
||
|
|
.PrevReportINBufferSize = sizeof(PrevJoystickHIDReportBuffer),
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/** Main program entry point. This routine contains the overall program flow, including initial
|
||
|
|
* setup of all components and the main program loop.
|
||
|
|
*/
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
SetupHardware();
|
||
|
|
|
||
|
|
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
|
||
|
|
GlobalInterruptEnable();
|
||
|
|
|
||
|
|
for (;;)
|
||
|
|
{
|
||
|
|
HID_Device_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);
|
||
|
|
#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 library USB Connection event. */
|
||
|
|
void EVENT_USB_Device_Connect(void)
|
||
|
|
{
|
||
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Event handler for the library USB Disconnection event. */
|
||
|
|
void EVENT_USB_Device_Disconnect(void)
|
||
|
|
{
|
||
|
|
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Event handler for the library USB Configuration Changed event. */
|
||
|
|
void EVENT_USB_Device_ConfigurationChanged(void)
|
||
|
|
{
|
||
|
|
bool ConfigSuccess = true;
|
||
|
|
|
||
|
|
ConfigSuccess &= HID_Device_ConfigureEndpoints(&Joystick_HID_Interface);
|
||
|
|
|
||
|
|
USB_Device_EnableSOFEvents();
|
||
|
|
|
||
|
|
LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Event handler for the library USB Control Request reception event. */
|
||
|
|
void EVENT_USB_Device_ControlRequest(void)
|
||
|
|
{
|
||
|
|
HID_Device_ProcessControlRequest(&Joystick_HID_Interface);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Event handler for the USB device Start Of Frame event. */
|
||
|
|
void EVENT_USB_Device_StartOfFrame(void)
|
||
|
|
{
|
||
|
|
HID_Device_MillisecondElapsed(&Joystick_HID_Interface);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** HID class driver callback function for the creation of HID reports to the host.
|
||
|
|
*
|
||
|
|
* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
|
||
|
|
* \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
|
||
|
|
* \param[in] ReportType Type of the report to create, either HID_REPORT_ITEM_In or HID_REPORT_ITEM_Feature
|
||
|
|
* \param[out] ReportData Pointer to a buffer where the created report should be stored
|
||
|
|
* \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent)
|
||
|
|
*
|
||
|
|
* \return Boolean \c true to force the sending of the report, \c false to let the library determine if it needs to be sent
|
||
|
|
*/
|
||
|
|
bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
|
||
|
|
uint8_t* const ReportID,
|
||
|
|
const uint8_t ReportType,
|
||
|
|
void* ReportData,
|
||
|
|
uint16_t* const ReportSize)
|
||
|
|
{
|
||
|
|
USB_JoystickReport_Data_t* JoystickReport = (USB_JoystickReport_Data_t*)ReportData;
|
||
|
|
|
||
|
|
uint8_t JoyStatus_LCL = Joystick_GetStatus();
|
||
|
|
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
|
||
|
|
|
||
|
|
if (JoyStatus_LCL & JOY_UP)
|
||
|
|
JoystickReport->Y = -100;
|
||
|
|
else if (JoyStatus_LCL & JOY_DOWN)
|
||
|
|
JoystickReport->Y = 100;
|
||
|
|
|
||
|
|
if (JoyStatus_LCL & JOY_LEFT)
|
||
|
|
JoystickReport->X = -100;
|
||
|
|
else if (JoyStatus_LCL & JOY_RIGHT)
|
||
|
|
JoystickReport->X = 100;
|
||
|
|
|
||
|
|
if (JoyStatus_LCL & JOY_PRESS)
|
||
|
|
JoystickReport->Button |= (1 << 1);
|
||
|
|
|
||
|
|
if (ButtonStatus_LCL & BUTTONS_BUTTON1)
|
||
|
|
JoystickReport->Button |= (1 << 0);
|
||
|
|
|
||
|
|
*ReportSize = sizeof(USB_JoystickReport_Data_t);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** HID class driver callback function for the processing of HID reports from the host.
|
||
|
|
*
|
||
|
|
* \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
|
||
|
|
* \param[in] ReportID Report ID of the received report from the host
|
||
|
|
* \param[in] ReportType The type of report that the host has sent, either HID_REPORT_ITEM_Out or HID_REPORT_ITEM_Feature
|
||
|
|
* \param[in] ReportData Pointer to a buffer where the received report has been stored
|
||
|
|
* \param[in] ReportSize Size in bytes of the received HID report
|
||
|
|
*/
|
||
|
|
void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
|
||
|
|
const uint8_t ReportID,
|
||
|
|
const uint8_t ReportType,
|
||
|
|
const void* ReportData,
|
||
|
|
const uint16_t ReportSize)
|
||
|
|
{
|
||
|
|
// Unused (but mandatory for the HID class driver) in this demo, since there are no Host->Device reports
|
||
|
|
}
|
||
|
|
|