X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/6bda628718f67c04ed43e8328f55bdce5319c504..ddae47979d258aacfc88390c363fc805bb60144a:/Demos/Host/LowLevel/PrinterHost/PrinterHost.c diff --git a/Demos/Host/LowLevel/PrinterHost/PrinterHost.c b/Demos/Host/LowLevel/PrinterHost/PrinterHost.c index f12c95ef9..59e239e0b 100644 --- a/Demos/Host/LowLevel/PrinterHost/PrinterHost.c +++ b/Demos/Host/LowLevel/PrinterHost/PrinterHost.c @@ -1,21 +1,21 @@ /* LUFA Library - Copyright (C) Dean Camera, 2010. - + Copyright (C) Dean Camera, 2011. + dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com + www.lufa-lib.org */ /* - Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) - Permission to use, copy, modify, distribute, and sell this + Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in + without fee, 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 + 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 @@ -47,10 +47,11 @@ int main(void) puts_P(PSTR(ESC_FG_CYAN "Printer Host Demo running.\r\n" ESC_FG_WHITE)); sei(); - + for (;;) { - USB_Printer_Host(); + PrinterHost_Task(); + USB_USBTask(); } } @@ -66,9 +67,12 @@ void SetupHardware(void) clock_prescale_set(clock_div_1); /* Hardware Initialization */ - SerialStream_Init(9600, false); + Serial_Init(9600, false); LEDs_Init(); USB_Init(); + + /* Create a stdio stream for the serial port for stdin and stdout */ + Serial_CreateStream(NULL); } /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and @@ -94,13 +98,72 @@ void EVENT_USB_Host_DeviceUnattached(void) */ void EVENT_USB_Host_DeviceEnumerationComplete(void) { + puts_P(PSTR("Getting Config Data.\r\n")); + + uint8_t ErrorCode; + + /* Get and process the configuration descriptor data */ + if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead) + { + if (ErrorCode == ControlError) + puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n")); + else + puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); + + printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode); + + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + return; + } + + /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */ + if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful) + { + printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n" + " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); + + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + return; + } + + /* Some printers use alternate settings to determine the communication protocol used - if so, send a SetInterface + * request to switch to the interface alternate setting with the Bidirectional protocol */ + if (PrinterAltSetting) + { + if ((ErrorCode = USB_Host_SetInterfaceAltSetting(PrinterInterfaceNumber, PrinterAltSetting)) != HOST_SENDCONTROL_Successful) + { + printf_P(PSTR(ESC_FG_RED "Control Error (Set Interface).\r\n" + " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); + + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; + } + } + + puts_P(PSTR("Retrieving Device ID...\r\n")); + + char DeviceIDString[300]; + if ((ErrorCode = Printer_GetDeviceID(DeviceIDString, sizeof(DeviceIDString))) != HOST_SENDCONTROL_Successful) + { + printf_P(PSTR(ESC_FG_RED "Control Error (Get Device ID).\r\n" + " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); + + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; + } + + printf_P(PSTR("Printer Device ID: %s\r\n"), DeviceIDString); + + puts_P(PSTR("Printer Enumerated.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_READY); } /** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */ void EVENT_USB_Host_HostError(const uint8_t ErrorCode) { - USB_ShutDown(); + USB_Disable(); printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n" " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode); @@ -123,130 +186,39 @@ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, LEDs_SetAllLEDs(LEDMASK_USB_ERROR); } -/** Task to set the configuration of the attached device after it has been enumerated, and to send some test page - * data to the attached printer. +/** Task to manage an enumerated USB printer once connected, to display device + * information and print a test PCL page. */ -void USB_Printer_Host(void) +void PrinterHost_Task(void) { + if (USB_HostState != HOST_STATE_Configured) + return; + uint8_t ErrorCode; - switch (USB_HostState) + /* Indicate device busy via the status LEDs */ + LEDs_SetAllLEDs(LEDMASK_USB_BUSY); + + char TestPageData[] = "\033%-12345X\033E" "LUFA PCL Test Page" "\033E\033%-12345X"; + uint16_t TestPageLength = strlen(TestPageData); + + printf_P(PSTR("Sending Test Page (%d bytes)...\r\n"), TestPageLength); + + /* Send the test page to the attached printer */ + if ((ErrorCode = Printer_SendData(&TestPageData, TestPageLength)) != PIPE_RWSTREAM_NoError) { - case HOST_STATE_Addressed: - puts_P(PSTR("Getting Config Data.\r\n")); - - /* Select the control pipe for the request transfer */ - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - /* Get and process the configuration descriptor data */ - if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead) - { - if (ErrorCode == ControlError) - puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n")); - else - puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); - - printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode); - - /* Indicate error via status LEDs */ - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - - /* Wait until USB device disconnected */ - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */ - if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful) - { - printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n" - " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); - - /* Indicate error via status LEDs */ - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - - /* Wait until USB device disconnected */ - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - /* Some printers use alternate settings to determine the communication protocol used - if so, send a SetInterface - * request to switch to the interface alternate setting with the Bidirectional protocol */ - if (PrinterAltSetting) - { - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE), - .bRequest = REQ_SetInterface, - .wValue = PrinterAltSetting, - .wIndex = PrinterInterfaceNumber, - .wLength = 0, - }; - - if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful) - { - printf_P(PSTR(ESC_FG_RED "Control Error (Set Interface).\r\n" - " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); - - /* Indicate error via status LEDs */ - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - - /* Wait until USB device disconnected */ - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - } - - puts_P(PSTR("Retrieving Device ID...\r\n")); - - char DeviceIDString[300]; - if ((ErrorCode = Printer_GetDeviceID(DeviceIDString, sizeof(DeviceIDString))) != HOST_SENDCONTROL_Successful) - { - printf_P(PSTR(ESC_FG_RED "Control Error (Get Device ID).\r\n" - " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); - - /* Indicate error via status LEDs */ - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - - /* Wait until USB device disconnected */ - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - printf_P(PSTR("Printer Device ID: %s\r\n"), DeviceIDString); - - puts_P(PSTR("Printer Enumerated.\r\n")); - - USB_HostState = HOST_STATE_Configured; - break; - case HOST_STATE_Configured: - /* Indicate device busy via the status LEDs */ - LEDs_SetAllLEDs(LEDMASK_USB_BUSY); - - char TestPageData[] = "\033%-12345X\033E" "LUFA PCL Test Page" "\033E\033%-12345X"; - uint16_t TestPageLength = strlen(TestPageData); - - printf_P(PSTR("Sending Test Page (%d bytes)...\r\n"), TestPageLength); - - if ((ErrorCode = Printer_SendData(&TestPageData, TestPageLength)) != PIPE_RWSTREAM_NoError) - { - printf_P(PSTR(ESC_FG_RED "Error Sending Test Page.\r\n" - " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); - - /* Indicate error via status LEDs */ - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - - /* Wait until USB device disconnected */ - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - puts_P(PSTR("Test Page Sent.\r\n")); - - /* Indicate device no longer busy */ - LEDs_SetAllLEDs(LEDMASK_USB_READY); - - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; + printf_P(PSTR(ESC_FG_RED "Error Sending Test Page.\r\n" + " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); + + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; } + + puts_P(PSTR("Test Page Sent.\r\n")); + + /* Indicate device no longer busy */ + LEDs_SetAllLEDs(LEDMASK_USB_READY); + USB_Host_SetDeviceConfiguration(0); } +