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
  66         for (;;)
  67         {
  68                 switch (USB_HostState)
  69                 {
  70                         case HOST_STATE_Addressed:
  71                                 LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
  72
  73                                 uint16_t ConfigDescriptorSize;
  74                                 uint8_t  ConfigDescriptorData[512];
  75
  76                                 if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
  77                                                                        sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
  78                                 {
  79                                         printf("Error Retrieving Configuration Descriptor.\r\n");
  80                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  81                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  82                                         break;
  83                                 }
  84
  85                                 if (PRNT_Host_ConfigurePipes(&Printer_PRNT_Interface,
  86                                                              ConfigDescriptorSize, ConfigDescriptorData) != PRNT_ENUMERROR_NoError)
  87                                 {
  88                                         printf("Attached Device Not a Valid Printer Class Device.\r\n");
  89                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  90                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  91                                         break;
  92                                 }
  93
  94                                 if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
  95                                 {
  96                                         printf("Error Setting Device Configuration.\r\n");
  97                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
  98                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
  99                                         break;
 100                                 }
 101
 102                                 if (PRNT_Host_SetBidirectionalMode(&Printer_PRNT_Interface) != HOST_SENDCONTROL_Successful)
 103                                 {
 104                                         printf("Error Setting Bidirectional Mode.\r\n");
 105                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 106                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 107                                         break;
 108                                 }
 109
 110                                 printf("Printer Device Enumerated.\r\n");
 111                                 USB_HostState = HOST_STATE_Configured;
 112                                 break;
 113                         case HOST_STATE_Configured:
 114                                 LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
 115
 116                                 printf("Retrieving Device ID...\r\n");
 117
 118                                 char DeviceIDString[300];
 119                                 if (PRNT_Host_GetDeviceID(&Printer_PRNT_Interface, DeviceIDString,
 120                                                           sizeof(DeviceIDString)) != HOST_SENDCONTROL_Successful)
 121                                 {
 122                                         printf("Error Getting Device ID.\r\n");
 123                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 124                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 125                                         break;
 126                                 }
 127
 128                                 printf("Device ID: %s.\r\n", DeviceIDString);
 129
 130                                 char  TestPageData[]    = "\033%-12345X\033E" "LUFA PCL Test Page" "\033E\033%-12345X";
 131                                 uint16_t TestPageLength = strlen(TestPageData);
 132
 133                                 printf_P(PSTR("Sending Test Page (%d bytes)...\r\n"), TestPageLength);
 134
 135                                 if (PRNT_Host_SendData(&Printer_PRNT_Interface, &TestPageData, TestPageLength) != PIPE_RWSTREAM_NoError)
 136                                 {
 137                                         printf("Error Sending Page Data.\r\n");
 138                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 139                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 140                                         break;
 141                                 }
 142
 143                                 puts_P(PSTR("Test Page Sent.\r\n"));
 144
 145                                 LEDs_SetAllLEDs(LEDMASK_USB_READY);
 146                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 147                                 break;
 148                 }
 149
 150                 PRNT_Host_USBTask(&Printer_PRNT_Interface);
 151                 USB_USBTask();
 152         }
 153 }
 154
 155 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 156 void SetupHardware(void)
 157 {
 158         /* Disable watchdog if enabled by bootloader/fuses */
 159         MCUSR &= ~(1 << WDRF);
 160         wdt_disable();
 161
 162         /* Disable clock division */
 163         clock_prescale_set(clock_div_1);
 164
 165         /* Hardware Initialization */
 166         SerialStream_Init(9600, false);
 167         LEDs_Init();
 168         USB_Init();
 169 }
 170
 171 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
 172  *  starts the library USB task to begin the enumeration and USB management process.
 173  */
 174 void EVENT_USB_Host_DeviceAttached(void)
 175 {
 176         puts_P(PSTR("Device Attached.\r\n"));
 177         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 178 }
 179
 180 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
 181  *  stops the library USB task management process.
 182  */
 183 void EVENT_USB_Host_DeviceUnattached(void)
 184 {
 185         puts_P(PSTR("\r\nDevice Unattached.\r\n"));
 186         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 187 }
 188
 189 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 190  *  enumerated by the host and is now ready to be used by the application.
 191  */
 192 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 193 {
 194         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 195 }
 196
 197 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 198 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 199 {
 200         USB_ShutDown();
 201
 202         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 203                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 204
 205         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 206         for(;;);
 207 }
 208
 209 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 210  *  enumerating an attached USB device.
 211  */
 212 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
 213 {
 214         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 215                                  " -- Error Code %d\r\n"
 216                                  " -- Sub Error Code %d\r\n"
 217                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 218
 219         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 220 }