X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/43c473530552acabcf5bb1db29555bfb5ea70b79..a9abe1fdea5ccf67aaccab6fdde300d6fcf2d15a:/Demos/Host/ClassDriver/PrinterHost/PrinterHost.c?ds=inline diff --git a/Demos/Host/ClassDriver/PrinterHost/PrinterHost.c b/Demos/Host/ClassDriver/PrinterHost/PrinterHost.c index e5dfc1b3c..3df0eedf2 100644 --- a/Demos/Host/ClassDriver/PrinterHost/PrinterHost.c +++ b/Demos/Host/ClassDriver/PrinterHost/PrinterHost.c @@ -1,13 +1,13 @@ /* LUFA Library - Copyright (C) Dean Camera, 2011. + Copyright (C) Dean Camera, 2012. dean [at] fourwalledcubicle [dot] com www.lufa-lib.org */ /* - Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com) Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted @@ -52,6 +52,7 @@ USB_ClassInfo_PRNT_Host_t Printer_PRNT_Interface = }, }; + /** Main program entry point. This routine configures the hardware required by the application, then * enters a loop to run the application tasks in sequence. */ @@ -66,88 +67,7 @@ int main(void) for (;;) { - switch (USB_HostState) - { - case HOST_STATE_Addressed: - LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); - - uint16_t ConfigDescriptorSize; - uint8_t ConfigDescriptorData[512]; - - if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData, - sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful) - { - puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - if (PRNT_Host_ConfigurePipes(&Printer_PRNT_Interface, - ConfigDescriptorSize, ConfigDescriptorData) != PRNT_ENUMERROR_NoError) - { - puts_P(PSTR("Attached Device Not a Valid Printer Class Device.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful) - { - puts_P(PSTR("Error Setting Device Configuration.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - if (PRNT_Host_SetBidirectionalMode(&Printer_PRNT_Interface) != HOST_SENDCONTROL_Successful) - { - puts_P(PSTR("Error Setting Bidirectional Mode.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - puts_P(PSTR("Printer Device Enumerated.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_READY); - USB_HostState = HOST_STATE_Configured; - break; - case HOST_STATE_Configured: - LEDs_SetAllLEDs(LEDMASK_USB_BUSY); - - puts_P(PSTR("Retrieving Device ID...\r\n")); - - char DeviceIDString[300]; - if (PRNT_Host_GetDeviceID(&Printer_PRNT_Interface, DeviceIDString, - sizeof(DeviceIDString)) != HOST_SENDCONTROL_Successful) - { - puts_P(PSTR("Error Getting Device ID.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - printf_P(PSTR("Device ID: %s.\r\n"), DeviceIDString); - - 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 (PRNT_Host_SendData(&Printer_PRNT_Interface, &TestPageData, TestPageLength) != PIPE_RWSTREAM_NoError) - { - puts_P(PSTR("Error Sending Page Data.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - puts_P(PSTR("Test Page Sent.\r\n")); - - LEDs_SetAllLEDs(LEDMASK_USB_READY); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } + PrinterHost_Task(); PRNT_Host_USBTask(&Printer_PRNT_Interface); USB_USBTask(); @@ -173,6 +93,49 @@ void SetupHardware(void) Serial_CreateStream(NULL); } +/** Task to manage an enumerated USB printer once connected, to display device + * information and print a test PCL page. + */ +void PrinterHost_Task(void) +{ + if (USB_HostState != HOST_STATE_Configured) + return; + + LEDs_SetAllLEDs(LEDMASK_USB_BUSY); + + puts_P(PSTR("Retrieving Device ID...\r\n")); + + char DeviceIDString[300]; + if (PRNT_Host_GetDeviceID(&Printer_PRNT_Interface, DeviceIDString, + sizeof(DeviceIDString)) != HOST_SENDCONTROL_Successful) + { + puts_P(PSTR("Error Getting Device ID.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; + } + + printf_P(PSTR("Device ID: %s.\r\n"), DeviceIDString); + + 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 (PRNT_Host_SendData(&Printer_PRNT_Interface, &TestPageData, TestPageLength) != PIPE_RWSTREAM_NoError) + { + puts_P(PSTR("Error Sending Page Data.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; + } + + puts_P(PSTR("Test Page Sent.\r\n")); + + LEDs_SetAllLEDs(LEDMASK_USB_READY); + USB_Host_SetDeviceConfiguration(0); +} + /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and * starts the library USB task to begin the enumeration and USB management process. */ @@ -196,13 +159,50 @@ void EVENT_USB_Host_DeviceUnattached(void) */ void EVENT_USB_Host_DeviceEnumerationComplete(void) { + LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); + + uint16_t ConfigDescriptorSize; + uint8_t ConfigDescriptorData[512]; + + if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData, + sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful) + { + puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + return; + } + + if (PRNT_Host_ConfigurePipes(&Printer_PRNT_Interface, + ConfigDescriptorSize, ConfigDescriptorData) != PRNT_ENUMERROR_NoError) + { + puts_P(PSTR("Attached Device Not a Valid Printer Class Device.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + return; + } + + if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful) + { + puts_P(PSTR("Error Setting Device Configuration.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + return; + } + + if (PRNT_Host_SetBidirectionalMode(&Printer_PRNT_Interface) != HOST_SENDCONTROL_Successful) + { + puts_P(PSTR("Error Setting Bidirectional Mode.\r\n")); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_Host_SetDeviceConfiguration(0); + return; + } + + puts_P(PSTR("Printer Device 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);