diff options
Diffstat (limited to 'Demos/DualRole/ClassDriver/MouseHostDevice/HostFunctions.c')
| -rw-r--r-- | Demos/DualRole/ClassDriver/MouseHostDevice/HostFunctions.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/Demos/DualRole/ClassDriver/MouseHostDevice/HostFunctions.c b/Demos/DualRole/ClassDriver/MouseHostDevice/HostFunctions.c new file mode 100644 index 000000000..101cf1586 --- /dev/null +++ b/Demos/DualRole/ClassDriver/MouseHostDevice/HostFunctions.c @@ -0,0 +1,185 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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
+ *
+ * Host Mode USB Mouse functionality for the MouseHostDevice demo. This file contains the Host mode
+ * USB Mouse related code of the demo and is responsible for all the Host mode Mouse functionality.
+ */
+
+#include "HostFunctions.h"
+
+/** 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_Host_t Mouse_HID_Host_Interface =
+ {
+ .Config =
+ {
+ .DataINPipeNumber = 1,
+ .DataOUTPipeNumber = 2,
+
+ .HIDInterfaceProtocol = HID_BOOT_MOUSE_PROTOCOL,
+ },
+ };
+
+
+/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
+ * starts the library USB task to begin the enumeration and USB management process.
+ */
+void EVENT_USB_Host_DeviceAttached(void)
+{
+ puts_P(PSTR("Device Attached.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
+ * stops the library USB task management process.
+ */
+void EVENT_USB_Host_DeviceUnattached(void)
+{
+ puts_P(PSTR("\r\nDevice Unattached.\r\n"));
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
+ * enumerated by the host and is now ready to be used by the application.
+ */
+void EVENT_USB_Host_DeviceEnumerationComplete(void)
+{
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+}
+
+/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
+{
+ USB_ShutDown();
+
+ printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
+ " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ for(;;);
+}
+
+/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
+ * enumerating an attached USB device.
+ */
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
+{
+ printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
+ " -- Error Code %d\r\n"
+ " -- Sub Error Code %d\r\n"
+ " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+
+/** Host state machine task. This task handles the enumeration and control of USB Mice while in USB Host mode,
+ * setting up the appropriate data pipes and processing reports from the attached device.
+ */
+void MouseHostTask(void)
+{
+ switch (USB_HostState)
+ {
+ case HOST_STATE_Addressed:
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+
+ uint16_t ConfigDescriptorSize;
+ uint8_t ConfigDescriptorData[512];
+
+ if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
+ sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
+ {
+ printf("Error Retrieving Configuration Descriptor.\r\n");
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;
+ break;
+ }
+
+ if (HID_Host_ConfigurePipes(&Mouse_HID_Host_Interface,
+ ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError)
+ {
+ printf("Attached Device Not a Valid Mouse.\r\n");
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;
+ break;
+ }
+
+ if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
+ {
+ printf("Error Setting Device Configuration.\r\n");
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;
+ break;
+ }
+
+ if (HID_Host_SetBootProtocol(&Mouse_HID_Host_Interface) != 0)
+ {
+ printf("Could not Set Boot Protocol Mode.\r\n");
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;
+ break;
+ }
+
+ printf("Mouse Enumerated.\r\n");
+ USB_HostState = HOST_STATE_Configured;
+ break;
+ case HOST_STATE_Configured:
+ if (HID_Host_IsReportReceived(&Mouse_HID_Host_Interface))
+ {
+ uint8_t LEDMask = LEDS_NO_LEDS;
+
+ USB_MouseReport_Data_t MouseReport;
+ HID_Host_ReceiveReport(&Mouse_HID_Host_Interface, &MouseReport);
+
+ printf_P(PSTR("dX:%2d dY:%2d Button:%d\r\n"), MouseReport.X,
+ MouseReport.Y,
+ MouseReport.Button);
+ if (MouseReport.X > 0)
+ LEDMask |= LEDS_LED1;
+ else if (MouseReport.X < 0)
+ LEDMask |= LEDS_LED2;
+
+ if (MouseReport.Y > 0)
+ LEDMask |= LEDS_LED3;
+ else if (MouseReport.Y < 0)
+ LEDMask |= LEDS_LED4;
+
+ if (MouseReport.Button)
+ LEDMask = LEDS_ALL_LEDS;
+
+ LEDs_SetAllLEDs(LEDMask);
+ }
+
+ break;
+ }
+}
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