Demos/Host/ClassDriver/PrinterHost/PrinterHost.c

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2011.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6            www.lufa-lib.org
   7 */
   8
   9 /*
  10   Copyright 2011  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         Serial_Init(9600, false);
 169         LEDs_Init();
 170         USB_Init();
 171
 172         /* Create a stdio stream for the serial port for stdin and stdout */
 173         Serial_CreateStream(NULL);
 174 }
 175
 176 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
 177  *  starts the library USB task to begin the enumeration and USB management process.
 178  */
 179 void EVENT_USB_Host_DeviceAttached(void)
 180 {
 181         puts_P(PSTR("Device Attached.\r\n"));
 182         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 183 }
 184
 185 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
 186  *  stops the library USB task management process.
 187  */
 188 void EVENT_USB_Host_DeviceUnattached(void)
 189 {
 190         puts_P(PSTR("\r\nDevice Unattached.\r\n"));
 191         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 192 }
 193
 194 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 195  *  enumerated by the host and is now ready to be used by the application.
 196  */
 197 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 198 {
 199         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 200 }
 201
 202 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 203 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 204 {
 205         USB_Disable();
 206
 207         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 208                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 209
 210         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 211         for(;;);
 212 }
 213
 214 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 215  *  enumerating an attached USB device.
 216  */
 217 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
 218                                             const uint8_t SubErrorCode)
 219 {
 220         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 221                                  " -- Error Code %d\r\n"
 222                                  " -- Sub Error Code %d\r\n"
 223                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 224
 225         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 226 }
 227