X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/b462f2d457ec2f0cfa22a1c3db198cb22f6809a1..e0af6014a746b1ef0707d388a58bcf77b9ea47f1:/Demos/Host/Incomplete/PrinterHost/PrinterHost.c diff --git a/Demos/Host/Incomplete/PrinterHost/PrinterHost.c b/Demos/Host/Incomplete/PrinterHost/PrinterHost.c new file mode 100644 index 000000000..b63f4fe22 --- /dev/null +++ b/Demos/Host/Incomplete/PrinterHost/PrinterHost.c @@ -0,0 +1,219 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2009. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, and distribute this software + and its documentation for any purpose and without fee is hereby + granted, provided that the above copyright notice appear in all + copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/* + USB Printer host demo application. + + ** NOT CURRENTLY FUNCTIONAL - DO NOT USE ** +*/ + +#include "PrinterHost.h" + +/* Globals */ +uint8_t PrinterProtocol; + + +int main(void) +{ + SetupHardware(); + + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); + + puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY + "Printer Host Demo running.\r\n" ESC_INVERSE_OFF)); + + for (;;) + { + USB_Printer_Host(); + USB_USBTask(); + } +} + +void SetupHardware(void) +{ + /* Disable watchdog if enabled by bootloader/fuses */ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + /* Disable clock division */ + clock_prescale_set(clock_div_1); + + /* Hardware Initialization */ + SerialStream_Init(9600, false); + LEDs_Init(); + USB_Init(); +} + +void EVENT_USB_DeviceAttached(void) +{ + puts_P(PSTR("Device Attached.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); +} + +void EVENT_USB_DeviceUnattached(void) +{ + puts_P(PSTR("\r\nDevice Unattached.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); +} + +void EVENT_USB_HostError(uint8_t ErrorCode) +{ + USB_ShutDown(); + + puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n")); + printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode); + + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + for(;;); +} + +void EVENT_USB_DeviceEnumerationFailed(uint8_t ErrorCode, uint8_t SubErrorCode) +{ + puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n")); + printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode); + printf_P(PSTR(" -- In State %d\r\n"), USB_HostState); + + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); +} + +void EVENT_USB_DeviceEnumerationComplete(void) +{ + LEDs_SetAllLEDs(LEDMASK_USB_READY); +} + +void USB_Printer_Host(void) +{ + uint8_t ErrorCode; + + switch (USB_HostState) + { + case HOST_STATE_Addressed: + /* Standard request to set the device configuration to configuration 1 */ + USB_ControlRequest = (USB_Request_Header_t) + { + bmRequestType: (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE), + bRequest: REQ_SetConfiguration, + wValue: 1, + wIndex: 0, + wLength: 0, + }; + + /* Send the request, display error and wait for device detatch if request fails */ + if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful) + { + puts_P(PSTR("Control Error (Set Configuration).\r\n")); + printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode); + + /* Indicate error via status LEDs */ + LEDs_SetAllLEDs(LEDS_LED1); + + /* Wait until USB device disconnected */ + while (USB_IsConnected); + break; + } + + USB_HostState = HOST_STATE_Configured; + break; + case HOST_STATE_Configured: + puts_P(PSTR("Getting Config Data.\r\n")); + + /* Get and process the configuration descriptor data */ + if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead) + { + if (ErrorCode == ControlError) + puts_P(PSTR("Control Error (Get Configuration).\r\n")); + else + puts_P(PSTR("Invalid Device.\r\n")); + + printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode); + + /* Indicate error via status LEDs */ + LEDs_SetAllLEDs(LEDS_LED1); + + /* Wait until USB device disconnected */ + while (USB_IsConnected); + break; + } + + puts_P(PSTR("Printer Enumerated.\r\n")); + + USB_HostState = HOST_STATE_Ready; + break; + case HOST_STATE_Ready: + /* Indicate device busy via the status LEDs */ + LEDs_SetAllLEDs(LEDS_LED3 | LEDS_LED4); + + if (!(GetDeviceID())) + { + /* Indicate error via status LEDs */ + LEDs_SetAllLEDs(LEDS_LED1); + + /* Wait until USB device disconnected */ + while (USB_IsConnected); + break; + } + + /* Indicate device no longer busy */ + LEDs_SetAllLEDs(LEDS_LED4); + + /* Wait until USB device disconnected */ + while (USB_IsConnected); + + break; + } +} + +bool GetDeviceID(void) +{ + Device_ID_String_t DeviceIDString; + + /* Request to retrieve the device ID string */ + USB_ControlRequest = (USB_Request_Header_t) + { + bmRequestType: (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE), + bRequest: GET_DEVICE_ID, + wValue: 0, + wIndex: 0, + wLength: sizeof(DeviceIDString), + }; + + printf("Error Code: %d", USB_Host_SendControlRequest(&DeviceIDString)); + + /* Send the request, display error and wait for device detatch if request fails */ + if (USB_Host_SendControlRequest(&DeviceIDString) != HOST_SENDCONTROL_Successful) + return false; + + /* Reverse the order of the string length as it is sent in big-endian format */ + DeviceIDString.Length = SwapEndian_16(DeviceIDString.Length); + + printf("%s", DeviceIDString.String); + + return true; +}