-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2010.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, distribute, and sell this \r
- software and its documentation for any purpose is hereby granted\r
- without fee, provided that the above copyright notice appear in \r
- all copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting \r
- documentation, and that the name of the author not be used in \r
- advertising or publicity pertaining to distribution of the \r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-/** \file\r
- *\r
- * Main source file for the Joystick demo. This file contains the main tasks of the demo and\r
- * is responsible for the initial application hardware configuration.\r
- */\r
-\r
-#include "Joystick.h"\r
-\r
-/** Main program entry point. This routine configures the hardware required by the application, then\r
- * enters a loop to run the application tasks in sequence.\r
- */\r
-int main(void)\r
-{\r
- SetupHardware();\r
- \r
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
- sei();\r
-\r
- for (;;)\r
- {\r
- HID_Task();\r
- USB_USBTask();\r
- }\r
-}\r
-\r
-/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
-void SetupHardware(void)\r
-{\r
- /* Disable watchdog if enabled by bootloader/fuses */\r
- MCUSR &= ~(1 << WDRF);\r
- wdt_disable();\r
-\r
- /* Disable clock division */\r
- clock_prescale_set(clock_div_1);\r
-\r
- /* Hardware Initialization */\r
- Joystick_Init();\r
- LEDs_Init();\r
- Buttons_Init();\r
- USB_Init();\r
-}\r
-\r
-/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and\r
- * starts the library USB task to begin the enumeration and USB management process.\r
- */\r
-void EVENT_USB_Device_Connect(void)\r
-{\r
- /* Indicate USB enumerating */\r
- LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
-}\r
-\r
-/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via\r
- * the status LEDs and stops the USB management and joystick reporting tasks.\r
- */\r
-void EVENT_USB_Device_Disconnect(void)\r
-{\r
- /* Indicate USB not ready */\r
- LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
-}\r
-\r
-/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration\r
- * of the USB device after enumeration - the device endpoints are configured and the joystick reporting task started.\r
- */ \r
-void EVENT_USB_Device_ConfigurationChanged(void)\r
-{\r
- /* Indicate USB connected and ready */\r
- LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
-\r
- /* Setup Joystick Report Endpoint */\r
- if (!(Endpoint_ConfigureEndpoint(JOYSTICK_EPNUM, EP_TYPE_INTERRUPT,\r
- ENDPOINT_DIR_IN, JOYSTICK_EPSIZE,\r
- ENDPOINT_BANK_SINGLE)))\r
- {\r
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
- }\r
-}\r
-\r
-/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific\r
- * control requests that are not handled internally by the USB library (including the HID commands, which are\r
- * all issued via the control endpoint), so that they can be handled appropriately for the application.\r
- */\r
-void EVENT_USB_Device_UnhandledControlRequest(void)\r
-{\r
- /* Handle HID Class specific requests */\r
- switch (USB_ControlRequest.bRequest)\r
- {\r
- case REQ_GetReport:\r
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))\r
- {\r
- USB_JoystickReport_Data_t JoystickReportData;\r
- \r
- Endpoint_ClearSETUP();\r
-\r
- /* Create the next HID report to send to the host */ \r
- GetNextReport(&JoystickReportData);\r
- \r
- /* Write the report data to the control endpoint */\r
- Endpoint_Write_Control_Stream_LE(&JoystickReportData, sizeof(JoystickReportData));\r
- \r
- /* Finalize the stream transfer to send the last packet or clear the host abort */\r
- Endpoint_ClearOUT();\r
- }\r
- \r
- break;\r
- }\r
-}\r
-\r
-/** Fills the given HID report data structure with the next HID report to send to the host.\r
- *\r
- * \param[out] ReportData Pointer to a HID report data structure to be filled\r
- *\r
- * \return Boolean true if the new report differs from the last report, false otherwise\r
- */\r
-bool GetNextReport(USB_JoystickReport_Data_t* ReportData)\r
-{\r
- static uint8_t PrevJoyStatus = 0;\r
- static uint8_t PrevButtonStatus = 0;\r
- uint8_t JoyStatus_LCL = Joystick_GetStatus();\r
- uint8_t ButtonStatus_LCL = Buttons_GetStatus();\r
- bool InputChanged = false;\r
-\r
- /* Clear the report contents */\r
- memset(ReportData, 0, sizeof(USB_JoystickReport_Data_t));\r
-\r
- if (JoyStatus_LCL & JOY_UP)\r
- ReportData->Y = -100;\r
- else if (JoyStatus_LCL & JOY_DOWN)\r
- ReportData->Y = 100;\r
-\r
- if (JoyStatus_LCL & JOY_LEFT)\r
- ReportData->X = -100;\r
- else if (JoyStatus_LCL & JOY_RIGHT)\r
- ReportData->X = 100;\r
-\r
- if (JoyStatus_LCL & JOY_PRESS)\r
- ReportData->Button = (1 << 1);\r
- \r
- if (ButtonStatus_LCL & BUTTONS_BUTTON1)\r
- ReportData->Button |= (1 << 0);\r
- \r
- /* Check if the new report is different to the previous report */\r
- InputChanged = (uint8_t)(PrevJoyStatus ^ JoyStatus_LCL) | (uint8_t)(PrevButtonStatus ^ ButtonStatus_LCL);\r
-\r
- /* Save the current joystick status for later comparison */\r
- PrevJoyStatus = JoyStatus_LCL;\r
- PrevButtonStatus = ButtonStatus_LCL;\r
-\r
- /* Return whether the new report is different to the previous report or not */\r
- return InputChanged;\r
-}\r
-\r
-/** Function to manage HID report generation and transmission to the host. */\r
-void HID_Task(void)\r
-{\r
- /* Device must be connected and configured for the task to run */\r
- if (USB_DeviceState != DEVICE_STATE_Configured)\r
- return;\r
- \r
- /* Select the Joystick Report Endpoint */\r
- Endpoint_SelectEndpoint(JOYSTICK_EPNUM);\r
-\r
- /* Check to see if the host is ready for another packet */\r
- if (Endpoint_IsINReady())\r
- {\r
- USB_JoystickReport_Data_t JoystickReportData;\r
- \r
- /* Create the next HID report to send to the host */\r
- GetNextReport(&JoystickReportData);\r
- \r
- /* Write Joystick Report Data */\r
- Endpoint_Write_Stream_LE(&JoystickReportData, sizeof(JoystickReportData));\r
-\r
- /* Finalize the stream transfer to send the last packet */\r
- Endpoint_ClearIN();\r
- \r
- /* Clear the report data afterwards */\r
- memset(&JoystickReportData, 0, sizeof(JoystickReportData));\r
- }\r
-}\r
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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 disclaim 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);
+ sei();
+
+ for (;;)
+ {
+ HID_Task();
+ USB_USBTask();
+ }
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+ /* Disable watchdog if enabled by bootloader/fuses */
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ /* Disable clock division */
+ clock_prescale_set(clock_div_1);
+
+ /* 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)
+{
+ /* Indicate USB connected and ready */
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+
+ /* Setup Joystick Report Endpoint */
+ if (!(Endpoint_ConfigureEndpoint(JOYSTICK_EPNUM, EP_TYPE_INTERRUPT,
+ ENDPOINT_DIR_IN, JOYSTICK_EPSIZE,
+ ENDPOINT_BANK_SINGLE)))
+ {
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ }
+}
+
+/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific
+ * control requests that are not handled internally by the USB library (including the HID commands, which are
+ * all issued via the control endpoint), so that they can be handled appropriately for the application.
+ */
+void EVENT_USB_Device_UnhandledControlRequest(void)
+{
+ /* Handle HID Class specific requests */
+ switch (USB_ControlRequest.bRequest)
+ {
+ case REQ_GetReport:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ USB_JoystickReport_Data_t JoystickReportData;
+
+ Endpoint_ClearSETUP();
+
+ /* Create the next HID report to send to the host */
+ GetNextReport(&JoystickReportData);
+
+ /* Write the report data to the control endpoint */
+ Endpoint_Write_Control_Stream_LE(&JoystickReportData, sizeof(JoystickReportData));
+
+ /* Finalize the stream transfer to send the last packet or clear the host abort */
+ 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 true if the new report differs from the last report, false otherwise
+ */
+bool GetNextReport(USB_JoystickReport_Data_t* 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_EPNUM);
+
+ /* 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));
+
+ /* Finalize the stream transfer to send the last packet */
+ Endpoint_ClearIN();
+
+ /* Clear the report data afterwards */
+ memset(&JoystickReportData, 0, sizeof(JoystickReportData));
+ }
+}
projects / pub / USBasp.git / blobdiff