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authorDean Camera <dean@fourwalledcubicle.com>2010-05-08 03:12:14 +0000
committerDean Camera <dean@fourwalledcubicle.com>2010-05-08 03:12:14 +0000
commit071e02c6b6b4837fa9cf0b6d4c749994e02638d7 (patch)
tree960446788703b69f0bb285450be80c5b3d8cc22c /Demos/Device/LowLevel/Mouse/Mouse.c
parente331b531c6e6d93eb0eee42b9002074e8090ad18 (diff)
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Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.
Diffstat (limited to 'Demos/Device/LowLevel/Mouse/Mouse.c')
-rw-r--r--Demos/Device/LowLevel/Mouse/Mouse.c616
1 files changed, 308 insertions, 308 deletions
diff --git a/Demos/Device/LowLevel/Mouse/Mouse.c b/Demos/Device/LowLevel/Mouse/Mouse.c
index 3fce52210..7e38e7afd 100644
--- a/Demos/Device/LowLevel/Mouse/Mouse.c
+++ b/Demos/Device/LowLevel/Mouse/Mouse.c
@@ -1,308 +1,308 @@
-/*
- 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 Mouse demo. This file contains the main tasks of the demo and
- * is responsible for the initial application hardware configuration.
- */
-
-#include "Mouse.h"
-
-/** Indicates what report mode the host has requested, true for normal HID reporting mode, false for special boot
- * protocol reporting mode.
- */
-bool UsingReportProtocol = true;
-
-/** Current Idle period. This is set by the host via a Set Idle HID class request to silence the device's reports
- * for either the entire idle duration, or until the report status changes (e.g. the user moves the mouse).
- */
-uint16_t IdleCount = HID_IDLE_CHANGESONLY;
-
-/** Current Idle period remaining. When the IdleCount value is set, this tracks the remaining number of idle
- * milliseconds. This is separate to the IdleCount timer and is incremented and compared as the host may request
- * the current idle period via a Get Idle HID class request, thus its value must be preserved.
- */
-uint16_t IdleMSRemaining = 0;
-
-
-/** 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 (;;)
- {
- Mouse_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);
-
- /* Default to report protocol on connect */
- UsingReportProtocol = true;
-}
-
-/** 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 Mouse 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 sets the current configuration
- * of the USB device after enumeration - the device endpoints are configured and the mouse reporting task started.
- */
-void EVENT_USB_Device_ConfigurationChanged(void)
-{
- /* Indicate USB connected and ready */
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
-
- /* Setup Mouse Report Endpoint */
- if (!(Endpoint_ConfigureEndpoint(MOUSE_EPNUM, EP_TYPE_INTERRUPT,
- ENDPOINT_DIR_IN, MOUSE_EPSIZE,
- ENDPOINT_BANK_SINGLE)))
- {
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- }
-
- USB_Device_EnableSOFEvents();
-}
-
-/** 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_MouseReport_Data_t MouseReportData;
-
- Endpoint_ClearSETUP();
-
- /* Create the next mouse report for transmission to the host */
- CreateMouseReport(&MouseReportData);
-
- /* Write the report data to the control endpoint */
- Endpoint_Write_Control_Stream_LE(&MouseReportData, sizeof(MouseReportData));
-
- /* Clear the report data afterwards */
- memset(&MouseReportData, 0, sizeof(MouseReportData));
-
- /* Finalize the stream transfer to send the last packet or clear the host abort */
- Endpoint_ClearOUT();
- }
-
- break;
- case REQ_GetProtocol:
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
- {
- Endpoint_ClearSETUP();
-
- /* Write the current protocol flag to the host */
- Endpoint_Write_Byte(UsingReportProtocol);
-
- /* Send the flag to the host */
- Endpoint_ClearIN();
-
- Endpoint_ClearStatusStage();
- }
-
- break;
- case REQ_SetProtocol:
- if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
- {
- Endpoint_ClearSETUP();
-
- /* Set or clear the flag depending on what the host indicates that the current Protocol should be */
- UsingReportProtocol = (USB_ControlRequest.wValue != 0);
-
- Endpoint_ClearStatusStage();
- }
-
- break;
- case REQ_SetIdle:
- if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
- {
- Endpoint_ClearSETUP();
-
- /* Get idle period in MSB, must multiply by 4 to get the duration in milliseconds */
- IdleCount = ((USB_ControlRequest.wValue & 0xFF00) >> 6);
-
- Endpoint_ClearStatusStage();
- }
-
- break;
- case REQ_GetIdle:
- if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
- {
- Endpoint_ClearSETUP();
-
- /* Write the current idle duration to the host, must be divided by 4 before sent to host */
- Endpoint_Write_Byte(IdleCount >> 2);
-
- /* Send the flag to the host */
- Endpoint_ClearIN();
-
- Endpoint_ClearStatusStage();
- }
-
- break;
- }
-}
-
-/** Event handler for the USB device Start Of Frame event. */
-void EVENT_USB_Device_StartOfFrame(void)
-{
- /* One millisecond has elapsed, decrement the idle time remaining counter if it has not already elapsed */
- if (IdleMSRemaining)
- IdleMSRemaining--;
-}
-
-/** 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
- */
-void CreateMouseReport(USB_MouseReport_Data_t* ReportData)
-{
- uint8_t JoyStatus_LCL = Joystick_GetStatus();
- uint8_t ButtonStatus_LCL = Buttons_GetStatus();
-
- /* Clear the report contents */
- memset(ReportData, 0, sizeof(USB_MouseReport_Data_t));
-
- if (JoyStatus_LCL & JOY_UP)
- ReportData->Y = -1;
- else if (JoyStatus_LCL & JOY_DOWN)
- ReportData->Y = 1;
-
- if (JoyStatus_LCL & JOY_LEFT)
- ReportData->X = -1;
- else if (JoyStatus_LCL & JOY_RIGHT)
- ReportData->X = 1;
-
- if (JoyStatus_LCL & JOY_PRESS)
- ReportData->Button = (1 << 0);
-
- if (ButtonStatus_LCL & BUTTONS_BUTTON1)
- ReportData->Button |= (1 << 1);
-}
-
-/** Sends the next HID report to the host, via the keyboard data endpoint. */
-void SendNextReport(void)
-{
- static USB_MouseReport_Data_t PrevMouseReportData;
- USB_MouseReport_Data_t MouseReportData;
- bool SendReport;
-
- /* Create the next mouse report for transmission to the host */
- CreateMouseReport(&MouseReportData);
-
- /* Check to see if the report data has changed - if so a report MUST be sent */
- SendReport = (memcmp(&PrevMouseReportData, &MouseReportData, sizeof(USB_MouseReport_Data_t)) != 0);
-
- /* Override the check if the Y or X values are non-zero - we want continuous movement while the joystick
- * is being held down (via continuous reports), otherwise the cursor will only move once per joystick toggle */
- if ((MouseReportData.Y != 0) || (MouseReportData.X != 0))
- SendReport = true;
-
- /* Check if the idle period is set and has elapsed */
- if ((IdleCount != HID_IDLE_CHANGESONLY) && (!(IdleMSRemaining)))
- {
- /* Reset the idle time remaining counter */
- IdleMSRemaining = IdleCount;
-
- /* Idle period is set and has elapsed, must send a report to the host */
- SendReport = true;
- }
-
- /* Select the Mouse Report Endpoint */
- Endpoint_SelectEndpoint(MOUSE_EPNUM);
-
- /* Check if Mouse Endpoint Ready for Read/Write and if we should send a new report */
- if (Endpoint_IsReadWriteAllowed() && SendReport)
- {
- /* Save the current report data for later comparison to check for changes */
- PrevMouseReportData = MouseReportData;
-
- /* Write Mouse Report Data */
- Endpoint_Write_Stream_LE(&MouseReportData, sizeof(MouseReportData));
-
- /* Finalize the stream transfer to send the last packet */
- Endpoint_ClearIN();
- }
-}
-
-/** Task to manage HID report generation and transmission to the host, when in report mode. */
-void Mouse_Task(void)
-{
- /* Device must be connected and configured for the task to run */
- if (USB_DeviceState != DEVICE_STATE_Configured)
- return;
-
- /* Send the next mouse report to the host */
- SendNextReport();
-}
+/*
+ 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 Mouse demo. This file contains the main tasks of the demo and
+ * is responsible for the initial application hardware configuration.
+ */
+
+#include "Mouse.h"
+
+/** Indicates what report mode the host has requested, true for normal HID reporting mode, false for special boot
+ * protocol reporting mode.
+ */
+bool UsingReportProtocol = true;
+
+/** Current Idle period. This is set by the host via a Set Idle HID class request to silence the device's reports
+ * for either the entire idle duration, or until the report status changes (e.g. the user moves the mouse).
+ */
+uint16_t IdleCount = HID_IDLE_CHANGESONLY;
+
+/** Current Idle period remaining. When the IdleCount value is set, this tracks the remaining number of idle
+ * milliseconds. This is separate to the IdleCount timer and is incremented and compared as the host may request
+ * the current idle period via a Get Idle HID class request, thus its value must be preserved.
+ */
+uint16_t IdleMSRemaining = 0;
+
+
+/** 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 (;;)
+ {
+ Mouse_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);
+
+ /* Default to report protocol on connect */
+ UsingReportProtocol = true;
+}
+
+/** 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 Mouse 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 sets the current configuration
+ * of the USB device after enumeration - the device endpoints are configured and the mouse reporting task started.
+ */
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+ /* Indicate USB connected and ready */
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+
+ /* Setup Mouse Report Endpoint */
+ if (!(Endpoint_ConfigureEndpoint(MOUSE_EPNUM, EP_TYPE_INTERRUPT,
+ ENDPOINT_DIR_IN, MOUSE_EPSIZE,
+ ENDPOINT_BANK_SINGLE)))
+ {
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ }
+
+ USB_Device_EnableSOFEvents();
+}
+
+/** 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_MouseReport_Data_t MouseReportData;
+
+ Endpoint_ClearSETUP();
+
+ /* Create the next mouse report for transmission to the host */
+ CreateMouseReport(&MouseReportData);
+
+ /* Write the report data to the control endpoint */
+ Endpoint_Write_Control_Stream_LE(&MouseReportData, sizeof(MouseReportData));
+
+ /* Clear the report data afterwards */
+ memset(&MouseReportData, 0, sizeof(MouseReportData));
+
+ /* Finalize the stream transfer to send the last packet or clear the host abort */
+ Endpoint_ClearOUT();
+ }
+
+ break;
+ case REQ_GetProtocol:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+
+ /* Write the current protocol flag to the host */
+ Endpoint_Write_Byte(UsingReportProtocol);
+
+ /* Send the flag to the host */
+ Endpoint_ClearIN();
+
+ Endpoint_ClearStatusStage();
+ }
+
+ break;
+ case REQ_SetProtocol:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+
+ /* Set or clear the flag depending on what the host indicates that the current Protocol should be */
+ UsingReportProtocol = (USB_ControlRequest.wValue != 0);
+
+ Endpoint_ClearStatusStage();
+ }
+
+ break;
+ case REQ_SetIdle:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+
+ /* Get idle period in MSB, must multiply by 4 to get the duration in milliseconds */
+ IdleCount = ((USB_ControlRequest.wValue & 0xFF00) >> 6);
+
+ Endpoint_ClearStatusStage();
+ }
+
+ break;
+ case REQ_GetIdle:
+ if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
+ {
+ Endpoint_ClearSETUP();
+
+ /* Write the current idle duration to the host, must be divided by 4 before sent to host */
+ Endpoint_Write_Byte(IdleCount >> 2);
+
+ /* Send the flag to the host */
+ Endpoint_ClearIN();
+
+ Endpoint_ClearStatusStage();
+ }
+
+ break;
+ }
+}
+
+/** Event handler for the USB device Start Of Frame event. */
+void EVENT_USB_Device_StartOfFrame(void)
+{
+ /* One millisecond has elapsed, decrement the idle time remaining counter if it has not already elapsed */
+ if (IdleMSRemaining)
+ IdleMSRemaining--;
+}
+
+/** 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
+ */
+void CreateMouseReport(USB_MouseReport_Data_t* ReportData)
+{
+ uint8_t JoyStatus_LCL = Joystick_GetStatus();
+ uint8_t ButtonStatus_LCL = Buttons_GetStatus();
+
+ /* Clear the report contents */
+ memset(ReportData, 0, sizeof(USB_MouseReport_Data_t));
+
+ if (JoyStatus_LCL & JOY_UP)
+ ReportData->Y = -1;
+ else if (JoyStatus_LCL & JOY_DOWN)
+ ReportData->Y = 1;
+
+ if (JoyStatus_LCL & JOY_LEFT)
+ ReportData->X = -1;
+ else if (JoyStatus_LCL & JOY_RIGHT)
+ ReportData->X = 1;
+
+ if (JoyStatus_LCL & JOY_PRESS)
+ ReportData->Button = (1 << 0);
+
+ if (ButtonStatus_LCL & BUTTONS_BUTTON1)
+ ReportData->Button |= (1 << 1);
+}
+
+/** Sends the next HID report to the host, via the keyboard data endpoint. */
+void SendNextReport(void)
+{
+ static USB_MouseReport_Data_t PrevMouseReportData;
+ USB_MouseReport_Data_t MouseReportData;
+ bool SendReport;
+
+ /* Create the next mouse report for transmission to the host */
+ CreateMouseReport(&MouseReportData);
+
+ /* Check to see if the report data has changed - if so a report MUST be sent */
+ SendReport = (memcmp(&PrevMouseReportData, &MouseReportData, sizeof(USB_MouseReport_Data_t)) != 0);
+
+ /* Override the check if the Y or X values are non-zero - we want continuous movement while the joystick
+ * is being held down (via continuous reports), otherwise the cursor will only move once per joystick toggle */
+ if ((MouseReportData.Y != 0) || (MouseReportData.X != 0))
+ SendReport = true;
+
+ /* Check if the idle period is set and has elapsed */
+ if ((IdleCount != HID_IDLE_CHANGESONLY) && (!(IdleMSRemaining)))
+ {
+ /* Reset the idle time remaining counter */
+ IdleMSRemaining = IdleCount;
+
+ /* Idle period is set and has elapsed, must send a report to the host */
+ SendReport = true;
+ }
+
+ /* Select the Mouse Report Endpoint */
+ Endpoint_SelectEndpoint(MOUSE_EPNUM);
+
+ /* Check if Mouse Endpoint Ready for Read/Write and if we should send a new report */
+ if (Endpoint_IsReadWriteAllowed() && SendReport)
+ {
+ /* Save the current report data for later comparison to check for changes */
+ PrevMouseReportData = MouseReportData;
+
+ /* Write Mouse Report Data */
+ Endpoint_Write_Stream_LE(&MouseReportData, sizeof(MouseReportData));
+
+ /* Finalize the stream transfer to send the last packet */
+ Endpoint_ClearIN();
+ }
+}
+
+/** Task to manage HID report generation and transmission to the host, when in report mode. */
+void Mouse_Task(void)
+{
+ /* Device must be connected and configured for the task to run */
+ if (USB_DeviceState != DEVICE_STATE_Configured)
+ return;
+
+ /* Send the next mouse report to the host */
+ SendNextReport();
+}