Demos/Host/ClassDriver/PrinterHost/PrinterHost.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2010.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, distribute, and sell this
  13   software and its documentation for any purpose is hereby granted
  14   without fee, provided that the above copyright notice appear in
  15   all 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  *  Main source file for the PrinterHost demo. This file contains the main tasks of
  34  *  the demo and is responsible for the initial application hardware configuration.
  35  */
  36
  37 #include "PrinterHost.h"
  38
  39 /** LUFA Printer Class driver interface configuration and state information. This structure is
  40  *  passed to all Printer Class driver functions, so that multiple instances of the same class
  41  *  within a device can be differentiated from one another.
  42  */
  43 USB_ClassInfo_PRNT_Host_t Printer_PRNT_Interface =
  44         {
  45                 .Config =
  46                         {
  47                                 .DataINPipeNumber       = 1,
  48                                 .DataINPipeDoubleBank   = false,
  49
  50                                 .DataOUTPipeNumber      = 2,
  51                                 .DataOUTPipeDoubleBank  = false,
  52                         },
  53         };
  54
  55 /** Main program entry point. This routine configures the hardware required by the application, then
  56  *  enters a loop to run the application tasks in sequence.
  57  */
  58 int main(void)
  59 {
  60         SetupHardware();
  61
  62         puts_P(PSTR(ESC_FG_CYAN "Printer Host Demo running.\r\n" ESC_FG_WHITE));
  63
  64         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
  65         sei();
  66
  67         for (;;)
  68         {
  69                 switch (USB_HostState)
  70                 {
  71                         case HOST_STATE_Addressed:
  72                                 LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
  73
  74                                 uint16_t ConfigDescriptorSize;
  75                                 uint8_t  ConfigDescriptorData[512];
  76
  77                                 if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
  78                                                                        sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
  79                                 {
  80                                         puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
  81                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  82                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  83                                         break;
  84                                 }
  85
  86                                 if (PRNT_Host_ConfigurePipes(&Printer_PRNT_Interface,
  87                                                              ConfigDescriptorSize, ConfigDescriptorData) != PRNT_ENUMERROR_NoError)
  88                                 {
  89                                         puts_P(PSTR("Attached Device Not a Valid Printer Class Device.\r\n"));
  90                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  91                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  92                                         break;
  93                                 }
  94
  95                                 if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
  96                                 {
  97                                         puts_P(PSTR("Error Setting Device Configuration.\r\n"));
  98                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  99                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 100                                         break;
 101                                 }
 102
 103                                 if (PRNT_Host_SetBidirectionalMode(&Printer_PRNT_Interface) != HOST_SENDCONTROL_Successful)
 104                                 {
 105                                         puts_P(PSTR("Error Setting Bidirectional Mode.\r\n"));
 106                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 107                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 108                                         break;
 109                                 }
 110
 111                                 puts_P(PSTR("Printer Device Enumerated.\r\n"));
 112                                 LEDs_SetAllLEDs(LEDMASK_USB_READY);
 113                                 USB_HostState = HOST_STATE_Configured;
 114                                 break;
 115                         case HOST_STATE_Configured:
 116                                 LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
 117
 118                                 puts_P(PSTR("Retrieving Device ID...\r\n"));
 119
 120                                 char DeviceIDString[300];
 121                                 if (PRNT_Host_GetDeviceID(&Printer_PRNT_Interface, DeviceIDString,
 122                                                           sizeof(DeviceIDString)) != HOST_SENDCONTROL_Successful)
 123                                 {
 124                                         puts_P(PSTR("Error Getting Device ID.\r\n"));
 125                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 126                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 127                                         break;
 128                                 }
 129
 130                                 printf_P(PSTR("Device ID: %s.\r\n"), DeviceIDString);
 131
 132                                 char  TestPageData[]    = "\033%-12345X\033E" "LUFA PCL Test Page" "\033E\033%-12345X";
 133                                 uint16_t TestPageLength = strlen(TestPageData);
 134
 135                                 printf_P(PSTR("Sending Test Page (%d bytes)...\r\n"), TestPageLength);
 136
 137                                 if (PRNT_Host_SendData(&Printer_PRNT_Interface, &TestPageData, TestPageLength) != PIPE_RWSTREAM_NoError)
 138                                 {
 139                                         puts_P(PSTR("Error Sending Page Data.\r\n"));
 140                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 141                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 142                                         break;
 143                                 }
 144
 145                                 puts_P(PSTR("Test Page Sent.\r\n"));
 146
 147                                 LEDs_SetAllLEDs(LEDMASK_USB_READY);
 148                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 149                                 break;
 150                 }
 151
 152                 PRNT_Host_USBTask(&Printer_PRNT_Interface);
 153                 USB_USBTask();
 154         }
 155 }
 156
 157 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 158 void SetupHardware(void)
 159 {
 160         /* Disable watchdog if enabled by bootloader/fuses */
 161         MCUSR &= ~(1 << WDRF);
 162         wdt_disable();
 163
 164         /* Disable clock division */
 165         clock_prescale_set(clock_div_1);
 166
 167         /* Hardware Initialization */
 168         SerialStream_Init(9600, false);
 169         LEDs_Init();
 170         USB_Init();
 171 }
 172
 173 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
 174  *  starts the library USB task to begin the enumeration and USB management process.
 175  */
 176 void EVENT_USB_Host_DeviceAttached(void)
 177 {
 178         puts_P(PSTR("Device Attached.\r\n"));
 179         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 180 }
 181
 182 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
 183  *  stops the library USB task management process.
 184  */
 185 void EVENT_USB_Host_DeviceUnattached(void)
 186 {
 187         puts_P(PSTR("\r\nDevice Unattached.\r\n"));
 188         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 189 }
 190
 191 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 192  *  enumerated by the host and is now ready to be used by the application.
 193  */
 194 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 195 {
 196         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 197 }
 198
 199 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 200 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 201 {
 202         USB_ShutDown();
 203
 204         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 205                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 206
 207         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 208         for(;;);
 209 }
 210
 211 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 212  *  enumerating an attached USB device.
 213  */
 214 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
 215                                             const uint8_t SubErrorCode)
 216 {
 217         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 218                                  " -- Error Code %d\r\n"
 219                                  " -- Sub Error Code %d\r\n"
 220                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 221
 222         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 223 }