Demos/OTG/TestApp/TestEvents.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2009.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, and distribute this software
  13   and its documentation for any purpose and without fee is hereby
  14   granted, provided that the above copyright notice appear in all
  15   copies and that both that the copyright notice and this
  16   permission notice and warranty disclaimer appear in supporting
  17   documentation, and that the name of the author not be used in
  18   advertising or publicity pertaining to distribution of the
  19   software without specific, written prior permission.
  20
  21   The author disclaim all warranties with regard to this
  22   software, including all implied warranties of merchantability
  23   and fitness.  In no event shall the author be liable for any
  24   special, indirect or consequential damages or any damages
  25   whatsoever resulting from loss of use, data or profits, whether
  26   in an action of contract, negligence or other tortious action,
  27   arising out of or in connection with the use or performance of
  28   this software.
  29 */
  30
  31 /** \file
  32  *
  33  *  This file contains dummy handlers for all the possible USB events passed to the
  34  *  application by the library (see library documentation for more details on USB events).
  35  *
  36  *  Each event is caught and printed to the USART so that they may be monitored.
  37  */
  38
  39 #define  INCLUDE_FROM_TESTEVENTS_C
  40 #include "TestEvents.h"
  41
  42 /** Simple routine which aborts the program execution when a fatal error occurs, and is passed to the
  43  *  application via an event. When run, this function shuts down the USB interface, indicates an error
  44  *  via the board LEDs, prints an error message to the USART and then enters an infinite loop, preventing
  45  *  any more application code (other than interrupts) from executing.
  46  */
  47 static void Abort_Program(void)
  48 {
  49         USB_ShutDown();
  50
  51         LEDs_SetAllLEDs(LEDS_LED1 | LEDS_LED3);
  52
  53         puts_P(PSTR(ESC_INVERSE_ON "\r\n**PROGRAM ABORT**"));
  54         for (;;);
  55 }
  56
  57 /** Event handler for the USB_VBUSChange event. When fired, the event is logged to the USART. */
  58 void EVENT_USB_VBUSChange(void)
  59 {
  60         puts_P(PSTR(EVENT_PREFIX "VBUS Change\r\n"));
  61 }
  62
  63 /** Event handler for the USB_VBUSConnect event. When fired, the event is logged to the USART. */
  64 void EVENT_USB_VBUSConnect(void)
  65 {
  66         puts_P(PSTR(EVENT_PREFIX "VBUS +\r\n"));
  67 }
  68
  69 /** Event handler for the USB_VBUSDisconnect event. When fired, the event is logged to the USART. */
  70 void EVENT_USB_VBUSDisconnect(void)
  71 {
  72         puts_P(PSTR(EVENT_PREFIX "VBUS -\r\n"));
  73 }
  74
  75 /**
  76  *  Event handler for the USB_Connect event. When fired, the event is logged to the USART and the
  77  *  USB task started.
  78  */
  79 void EVENT_USB_Connect(void)
  80 {
  81         puts_P(PSTR(EVENT_PREFIX "USB  +\r\n"));
  82         LEDs_SetAllLEDs(LEDS_LED2 | LEDS_LED3 | LEDS_LED4);
  83
  84         Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);
  85 }
  86
  87 /**
  88  *  Event handler for the USB_Disconnect event. When fired, the event is logged to the USART and the
  89  *  USB task stopped.
  90  */
  91 void EVENT_USB_Disconnect(void)
  92 {
  93         Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);
  94
  95         puts_P(PSTR(EVENT_PREFIX "USB  -\r\n"));
  96         LEDs_SetAllLEDs(LEDS_LED2 | LEDS_LED3 | LEDS_LED3);
  97 }
  98
  99 /** Event handler for the USB_Suspend event. When fired, the event is logged to the USART. */
 100 void EVENT_USB_Suspend(void)
 101 {
 102         puts_P(PSTR(EVENT_PREFIX ESC_BG_YELLOW "USB Sleep\r\n"));
 103         LEDs_SetAllLEDs(LEDS_ALL_LEDS);
 104 }
 105
 106 /** Event handler for the USB_WakeUp event. When fired, the event is logged to the USART. */
 107 void EVENT_USB_WakeUp(void)
 108 {
 109         puts_P(PSTR(EVENT_PREFIX ESC_BG_GREEN "USB Wakeup\r\n"));
 110         LEDs_SetAllLEDs(LEDS_LED2 | LEDS_LED4);
 111 }
 112
 113 /** Event handler for the USB_Reset event. When fired, the event is logged to the USART. */
 114 void EVENT_USB_Reset(void)
 115 {
 116         puts_P(PSTR(EVENT_PREFIX "USB Reset\r\n"));
 117 }
 118
 119 /** Event handler for the USB_UIDChange event. When fired, the event is logged to the USART. */
 120 void EVENT_USB_UIDChange(void)
 121 {
 122         char* ModeStrPtr;
 123
 124         puts_P(PSTR(EVENT_PREFIX "UID Change\r\n"));
 125
 126         if (USB_CurrentMode == USB_MODE_DEVICE)
 127           ModeStrPtr = PSTR("HOST");
 128         else if (USB_CurrentMode == USB_MODE_HOST)
 129           ModeStrPtr = PSTR("DEVICE");
 130         else
 131           ModeStrPtr = PSTR("N/A");
 132
 133         LEDs_SetAllLEDs(LEDS_LED2 | LEDS_LED3);
 134
 135         printf_P(PSTR(" -- New Mode %S\r\n"), ModeStrPtr);
 136 }
 137
 138 /**
 139  *  Event handler for the USB_PowerOnFail event. When fired, the event is logged to the USART and the program
 140  *  execution aborted.
 141  */
 142 void EVENT_USB_InitFailure(const uint8_t ErrorCode)
 143 {
 144         char* ModeStrPtr;
 145
 146         puts_P(PSTR(EVENT_PREFIX ESC_BG_RED "Power On Fail\r\n"));
 147
 148         if (USB_CurrentMode == USB_MODE_DEVICE)
 149           ModeStrPtr = PSTR("DEVICE");
 150         else if (USB_CurrentMode == USB_MODE_HOST)
 151           ModeStrPtr = PSTR("HOST");
 152         else
 153           ModeStrPtr = PSTR("N/A");
 154
 155         printf_P(PSTR(" -- Mode %S\r\n"), ModeStrPtr);
 156         printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);
 157
 158         Abort_Program();
 159 }
 160
 161 /**
 162  *  Event handler for the USB_HostError event. When fired, the event is logged to the USART and the program
 163  *  execution aborted.
 164  */
 165 void EVENT_USB_HostError(const uint8_t ErrorCode)
 166 {
 167         puts_P(PSTR(EVENT_PREFIX ESC_BG_RED "Host Mode Error\r\n"));
 168         printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);
 169
 170         Abort_Program();
 171 }
 172
 173 /** Event handler for the USB_DeviceEnumerationFailed event. When fired, the event is logged to the USART. */
 174 void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
 175 {
 176         puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n"));
 177         printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);
 178         printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);
 179         printf_P(PSTR(" -- In State %d\r\n"), USB_HostState);
 180 }
 181
 182 /** Event handler for the USB_UnhandledControlPacket event. When fired, the event is logged to the USART. */
 183 void EVENT_USB_UnhandledControlPacket(void)
 184 {
 185         puts_P(PSTR(EVENT_PREFIX "Ctrl Request\r\n"));
 186         printf_P(PSTR(" -- Req Data %d\r\n"), USB_ControlRequest.bRequest);
 187         printf_P(PSTR(" -- Req Type %d\r\n"), USB_ControlRequest.bmRequestType);
 188         printf_P(PSTR(" -- Req Length %d\r\n"), USB_ControlRequest.wLength);
 189 }
 190
 191 /** Event handler for the USB_ConfigurationChanged event. When fired, the event is logged to the USART. */
 192 void EVENT_USB_ConfigurationChanged(void)
 193 {
 194         puts_P(PSTR(EVENT_PREFIX "Configuration Number Changed\r\n"));
 195
 196         LEDs_SetAllLEDs(LEDS_LED2 | LEDS_LED4);
 197 }
 198
 199 /** Event handler for the USB_DeviceAttached event. When fired, the event is logged to the USART. */
 200 void EVENT_USB_DeviceAttached(void)
 201 {
 202         puts_P(PSTR(EVENT_PREFIX ESC_BG_GREEN "Device +\r\n"));
 203
 204         Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);
 205 }
 206
 207 /** Event handler for the USB_DeviceUnattached event. When fired, the event is logged to the USART. */
 208 void EVENT_USB_DeviceUnattached(void)
 209 {
 210         puts_P(PSTR(EVENT_PREFIX ESC_BG_YELLOW "Device -\r\n"));
 211 }
 212
 213 /** Event handler for the USB_DeviceEnumerationComplete event. When fired, the event is logged to the USART. */
 214 void EVENT_USB_DeviceEnumerationComplete(void)
 215 {
 216         puts_P(PSTR(EVENT_PREFIX "Device Enumeration Complete\r\n"));
 217 }