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                                 LEDs_SetAllLEDs(LEDMASK_USB_READY);
 112                                 USB_HostState = HOST_STATE_Configured;
 113                                 break;
 114                         case HOST_STATE_Configured:
 115                                 LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
 116
 117                                 printf("Retrieving Device ID...\r\n");
 118
 119                                 char DeviceIDString[300];
 120                                 if (PRNT_Host_GetDeviceID(&Printer_PRNT_Interface, DeviceIDString,
 121                                                           sizeof(DeviceIDString)) != HOST_SENDCONTROL_Successful)
 122                                 {
 123                                         printf("Error Getting Device ID.\r\n");
 124                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 125                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 126                                         break;
 127                                 }
 128
 129                                 printf("Device ID: %s.\r\n", DeviceIDString);
 130
 131                                 char  TestPageData[]    = "\033%-12345X\033E" "LUFA PCL Test Page" "\033E\033%-12345X";
 132                                 uint16_t TestPageLength = strlen(TestPageData);
 133
 134                                 printf_P(PSTR("Sending Test Page (%d bytes)...\r\n"), TestPageLength);
 135
 136                                 if (PRNT_Host_SendData(&Printer_PRNT_Interface, &TestPageData, TestPageLength) != PIPE_RWSTREAM_NoError)
 137                                 {
 138                                         printf("Error Sending Page Data.\r\n");
 139                                         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 140                                         USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 141                                         break;
 142                                 }
 143
 144                                 puts_P(PSTR("Test Page Sent.\r\n"));
 145
 146                                 LEDs_SetAllLEDs(LEDMASK_USB_READY);
 147                                 USB_HostState = HOST_STATE_WaitForDeviceRemoval;
 148                                 break;
 149                 }
 150
 151                 PRNT_Host_USBTask(&Printer_PRNT_Interface);
 152                 USB_USBTask();
 153         }
 154 }
 155
 156 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 157 void SetupHardware(void)
 158 {
 159         /* Disable watchdog if enabled by bootloader/fuses */
 160         MCUSR &= ~(1 << WDRF);
 161         wdt_disable();
 162
 163         /* Disable clock division */
 164         clock_prescale_set(clock_div_1);
 165
 166         /* Hardware Initialization */
 167         SerialStream_Init(9600, false);
 168         LEDs_Init();
 169         USB_Init();
 170 }
 171
 172 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
 173  *  starts the library USB task to begin the enumeration and USB management process.
 174  */
 175 void EVENT_USB_Host_DeviceAttached(void)
 176 {
 177         puts_P(PSTR("Device Attached.\r\n"));
 178         LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 179 }
 180
 181 /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
 182  *  stops the library USB task management process.
 183  */
 184 void EVENT_USB_Host_DeviceUnattached(void)
 185 {
 186         puts_P(PSTR("\r\nDevice Unattached.\r\n"));
 187         LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
 188 }
 189
 190 /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
 191  *  enumerated by the host and is now ready to be used by the application.
 192  */
 193 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 194 {
 195         LEDs_SetAllLEDs(LEDMASK_USB_READY);
 196 }
 197
 198 /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
 199 void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
 200 {
 201         USB_ShutDown();
 202
 203         printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
 204                                  " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
 205
 206         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 207         for(;;);
 208 }
 209
 210 /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
 211  *  enumerating an attached USB device.
 212  */
 213 void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
 214 {
 215         printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
 216                                  " -- Error Code %d\r\n"
 217                                  " -- Sub Error Code %d\r\n"
 218                                  " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
 219
 220         LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 221 }