X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f1199200e167a737a4676378da184387e543830c..d26a9ed5fd6fc60a0dfa61d04f5ae2bd7163a85d:/Demos/Host/ClassDriver/StillImageHost/StillImageHost.c diff --git a/Demos/Host/ClassDriver/StillImageHost/StillImageHost.c b/Demos/Host/ClassDriver/StillImageHost/StillImageHost.c index 197e832f6..22f74096f 100644 --- a/Demos/Host/ClassDriver/StillImageHost/StillImageHost.c +++ b/Demos/Host/ClassDriver/StillImageHost/StillImageHost.c @@ -1,21 +1,21 @@ /* LUFA Library - Copyright (C) Dean Camera, 2009. + Copyright (C) Dean Camera, 2010. 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 + Copyright 2010 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 + 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 software without specific, written prior permission. The author disclaim all warranties with regard to this @@ -33,402 +33,182 @@ * Main source file for the StillImageHost demo. This file contains the main tasks of * the demo and is responsible for the initial application hardware configuration. */ - + #include "StillImageHost.h" -/* Scheduler Task List */ -TASK_LIST -{ - { .Task = USB_USBTask , .TaskStatus = TASK_STOP }, - { .Task = USB_SImage_Host , .TaskStatus = TASK_STOP }, -}; - +/** LUFA Still Image Class driver interface configuration and state information. This structure is + * passed to all Still Image Class driver functions, so that multiple instances of the same class + * within a device can be differentiated from one another. + */ +USB_ClassInfo_SI_Host_t DigitalCamera_SI_Interface = + { + .Config = + { + .DataINPipeNumber = 1, + .DataINPipeDoubleBank = false, + + .DataOUTPipeNumber = 2, + .DataOUTPipeDoubleBank = false, + + .EventsPipeNumber = 3, + .EventsPipeDoubleBank = false, + }, + }; /** Main program entry point. This routine configures the hardware required by the application, then - * starts the scheduler to run the application tasks. + * enters a loop to run the application tasks in sequence. */ int main(void) { + SetupHardware(); + + puts_P(PSTR(ESC_FG_CYAN "Still Image Host Demo running.\r\n" ESC_FG_WHITE)); + + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); + + 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) + { + printf("Error Retrieving Configuration Descriptor.\r\n"); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_HostState = HOST_STATE_WaitForDeviceRemoval; + break; + } + + if (SImage_Host_ConfigurePipes(&DigitalCamera_SI_Interface, + ConfigDescriptorSize, ConfigDescriptorData) != SI_ENUMERROR_NoError) + { + printf("Attached Device Not a Valid CDC Class Device.\r\n"); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_HostState = HOST_STATE_WaitForDeviceRemoval; + break; + } + + if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful) + { + printf("Error Setting Device Configuration.\r\n"); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + USB_HostState = HOST_STATE_WaitForDeviceRemoval; + break; + } + + printf("Still Image Device Enumerated.\r\n"); + USB_HostState = HOST_STATE_Configured; + break; + case HOST_STATE_Configured: + printf("Opening Session...\r\n"); + + if (SImage_Host_OpenSession(&DigitalCamera_SI_Interface) != PIPE_RWSTREAM_NoError) + { + printf("Could not open PIMA session.\r\n"); + USB_HostState = HOST_STATE_WaitForDeviceRemoval; + break; + } + + printf("Turning off Device...\r\n"); + + SImage_Host_SendCommand(&DigitalCamera_SI_Interface, 0x1013, 0, NULL); + if (SImage_Host_ReceiveResponse(&DigitalCamera_SI_Interface)) + { + printf("Could not turn off device.\r\n"); + USB_HostState = HOST_STATE_WaitForDeviceRemoval; + break; + } + + printf("Device Off.\r\n"); + + printf("Closing Session...\r\n"); + + if (SImage_Host_CloseSession(&DigitalCamera_SI_Interface) != PIPE_RWSTREAM_NoError) + { + printf("Could not close PIMA session.\r\n"); + USB_HostState = HOST_STATE_WaitForDeviceRemoval; + break; + } + + LEDs_SetAllLEDs(LEDMASK_USB_READY); + USB_HostState = HOST_STATE_WaitForDeviceRemoval; + break; + } + + SImage_Host_USBTask(&DigitalCamera_SI_Interface); + USB_USBTask(); + } +} + +/** Configures the board hardware and chip peripherals for the demo's functionality. */ +void SetupHardware(void) +{ /* Disable watchdog if enabled by bootloader/fuses */ MCUSR &= ~(1 << WDRF); wdt_disable(); - /* Disable Clock Division */ - CLKPR = (1 << CLKPCE); - CLKPR = 0; + /* Disable clock division */ + clock_prescale_set(clock_div_1); /* Hardware Initialization */ SerialStream_Init(9600, false); LEDs_Init(); - - /* Indicate USB not ready */ - UpdateStatus(Status_USBNotReady); - - /* Initialize Scheduler so that it can be used */ - Scheduler_Init(); - - /* Initialize USB Subsystem */ USB_Init(); - - /* Start-up message */ - puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY - "Still Image Host Demo running.\r\n" ESC_INVERSE_OFF)); - - /* Scheduling - routine never returns, so put this last in the main function */ - Scheduler_Start(); } /** 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. */ -void EVENT_USB_DeviceAttached(void) +void EVENT_USB_Host_DeviceAttached(void) { puts_P(PSTR("Device Attached.\r\n")); - UpdateStatus(Status_USBEnumerating); - - /* Start USB management task to enumerate the device */ - Scheduler_SetTaskMode(USB_USBTask, TASK_RUN); + LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); } /** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and * stops the library USB task management process. */ -void EVENT_USB_DeviceUnattached(void) +void EVENT_USB_Host_DeviceUnattached(void) { - /* Stop USB management and Still Image tasks */ - Scheduler_SetTaskMode(USB_USBTask, TASK_STOP); - Scheduler_SetTaskMode(USB_SImage_Host, TASK_STOP); - puts_P(PSTR("\r\nDevice Unattached.\r\n")); - UpdateStatus(Status_USBNotReady); + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); } /** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully * enumerated by the host and is now ready to be used by the application. */ -void EVENT_USB_DeviceEnumerationComplete(void) +void EVENT_USB_Host_DeviceEnumerationComplete(void) { - /* Once device is fully enumerated, start the Still Image Host task */ - Scheduler_SetTaskMode(USB_SImage_Host, TASK_RUN); - - /* Indicate device enumeration complete */ - UpdateStatus(Status_USBReady); + 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_HostError(const uint8_t ErrorCode) +void EVENT_USB_Host_HostError(const 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); + printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n" + " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode); - UpdateStatus(Status_HardwareError); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); for(;;); } /** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while * enumerating an attached USB device. */ -void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const 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(" -- Sub Error Code %d\r\n"), SubErrorCode); - printf_P(PSTR(" -- In State %d\r\n"), USB_HostState); - - UpdateStatus(Status_EnumerationError); -} - -/** Task to set the configuration of the attached device after it has been enumerated, and to print device information - * through the serial port. - */ -TASK(USB_SImage_Host) -{ - 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, - }; - - /* Select the control pipe for the request transfer */ - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - /* Send the request, display error and wait for device detach if request fails */ - if (USB_Host_SendControlRequest(NULL) != HOST_SENDCONTROL_Successful) - { - puts_P(PSTR("Control error.\r\n")); - - /* Indicate error via status LEDs */ - UpdateStatus(Status_EnumerationError); - - /* 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 */ - UpdateStatus(Status_EnumerationError); - - /* Wait until USB device disconnected */ - while (USB_IsConnected); - break; - } - - puts_P(PSTR("Still Image Device Enumerated.\r\n")); - - USB_HostState = HOST_STATE_Ready; - break; - case HOST_STATE_Ready: - /* Indicate device busy via the status LEDs */ - UpdateStatus(Status_Busy); - - puts_P(PSTR("Retrieving Device Info...\r\n")); - - PIMA_SendBlock = (PIMA_Container_t) - { - .DataLength = PIMA_COMMAND_SIZE(0), - .Type = CType_CommandBlock, - .Code = PIMA_OPERATION_GETDEVICEINFO, - .TransactionID = 0x00000000, - .Params = {}, - }; - - /* Send the GETDEVICEINFO block */ - SImage_SendBlockHeader(); - - /* Receive the response data block */ - if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError) - { - ShowCommandError(ErrorCode, false); - break; - } - - /* Calculate the size of the returned device info data structure */ - uint16_t DeviceInfoSize = (PIMA_ReceivedBlock.DataLength - PIMA_COMMAND_SIZE(0)); - - /* Create a buffer large enough to hold the entire device info */ - uint8_t DeviceInfo[DeviceInfoSize]; - - /* Read in the data block data (containing device info) */ - SImage_ReadData(DeviceInfo, DeviceInfoSize); - - /* Once all the data has been read, the pipe must be cleared before the response can be sent */ - Pipe_ClearIN(); - - /* Create a pointer for walking through the info dataset */ - uint8_t* DeviceInfoPos = DeviceInfo; - - /* Skip over the data before the unicode device information strings */ - DeviceInfoPos += 8; // Skip to VendorExtensionDesc String - DeviceInfoPos += ((*DeviceInfoPos << 1) + 1); // Skip over VendorExtensionDesc String - DeviceInfoPos += 2; // Skip over FunctionalMode - DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over OperationCode Array - DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over EventCode Array - DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over DevicePropCode Array - DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over ObjectFormatCode Array - DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over ObjectFormatCode Array - - /* Extract and convert the Manufacturer Unicode string to ASCII and print it through the USART */ - char Manufacturer[*DeviceInfoPos]; - UnicodeToASCII(DeviceInfoPos, Manufacturer); - printf_P(PSTR(" Manufacturer: %s\r\n"), Manufacturer); - - DeviceInfoPos += ((*DeviceInfoPos << 1) + 1); // Skip over Manufacturer String - - /* Extract and convert the Model Unicode string to ASCII and print it through the USART */ - char Model[*DeviceInfoPos]; - UnicodeToASCII(DeviceInfoPos, Model); - printf_P(PSTR(" Model: %s\r\n"), Model); - - DeviceInfoPos += ((*DeviceInfoPos << 1) + 1); // Skip over Model String - - /* Extract and convert the Device Version Unicode string to ASCII and print it through the USART */ - char DeviceVersion[*DeviceInfoPos]; - UnicodeToASCII(DeviceInfoPos, DeviceVersion); - printf_P(PSTR(" Device Version: %s\r\n"), DeviceVersion); - - /* Receive the final response block from the device */ - if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError) - { - ShowCommandError(ErrorCode, false); - break; - } - - /* Verify that the command completed successfully */ - if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK)) - { - ShowCommandError(PIMA_ReceivedBlock.Code, true); - break; - } - - puts_P(PSTR("Opening Session...\r\n")); - - PIMA_SendBlock = (PIMA_Container_t) - { - .DataLength = PIMA_COMMAND_SIZE(1), - .Type = CType_CommandBlock, - .Code = PIMA_OPERATION_OPENSESSION, - .TransactionID = 0x00000000, - .Params = {0x00000001}, - }; - - /* Send the OPENSESSION block, open a session with an ID of 0x0001 */ - SImage_SendBlockHeader(); - - /* Receive the response block from the device */ - if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError) - { - ShowCommandError(ErrorCode, false); - break; - } - - /* Verify that the command completed successfully */ - if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK)) - { - ShowCommandError(PIMA_ReceivedBlock.Code, true); - break; - } - - puts_P(PSTR("Closing Session...\r\n")); - - PIMA_SendBlock = (PIMA_Container_t) - { - .DataLength = PIMA_COMMAND_SIZE(1), - .Type = CType_CommandBlock, - .Code = PIMA_OPERATION_CLOSESESSION, - .TransactionID = 0x00000001, - .Params = {0x00000001}, - }; - - /* Send the CLOSESESSION block, close the session with an ID of 0x0001 */ - SImage_SendBlockHeader(); - - /* Receive the response block from the device */ - if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError) - { - ShowCommandError(ErrorCode, false); - break; - } - - /* Verify that the command completed successfully */ - if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK)) - { - ShowCommandError(PIMA_ReceivedBlock.Code, true); - break; - } - - puts_P(PSTR("Done.\r\n")); - - /* Indicate device no longer busy */ - UpdateStatus(Status_USBReady); - - /* Wait until USB device disconnected */ - while (USB_IsConnected); - - break; - } -} - -/** Function to convert a given Unicode encoded string to ASCII. This function will only work correctly on Unicode - * strings which contain ASCII printable characters only. - * - * \param UnicodeString Pointer to a Unicode encoded input string - * \param Buffer Pointer to a buffer where the converted ASCII string should be stored - */ -void UnicodeToASCII(uint8_t* UnicodeString, char* Buffer) +void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode) { - /* Get the number of characters in the string, skip to the start of the string data */ - uint8_t CharactersRemaining = *(UnicodeString++); - - /* Loop through the entire unicode string */ - while (CharactersRemaining--) - { - /* Load in the next unicode character (only the lower byte, only Unicode coded ASCII supported) */ - *(Buffer++) = *UnicodeString; - - /* Jump to the next unicode character */ - UnicodeString += 2; - } + printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n" + " -- Error Code %d\r\n" + " -- Sub Error Code %d\r\n" + " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState); - /* Null terminate the string */ - *Buffer = 0; -} - -/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to - * log to a serial port, or anything else that is suitable for status updates. - * - * \param CurrentStatus Current status of the system, from the StillImageHost_StatusCodes_t enum - */ -void UpdateStatus(uint8_t CurrentStatus) -{ - uint8_t LEDMask = LEDS_NO_LEDS; - - /* Set the LED mask to the appropriate LED mask based on the given status code */ - switch (CurrentStatus) - { - case Status_USBNotReady: - LEDMask = (LEDS_LED1); - break; - case Status_USBEnumerating: - LEDMask = (LEDS_LED1 | LEDS_LED2); - break; - case Status_USBReady: - LEDMask = (LEDS_LED2); - break; - case Status_EnumerationError: - case Status_HardwareError: - case Status_PIMACommandError: - LEDMask = (LEDS_LED1 | LEDS_LED3); - break; - case Status_Busy: - LEDMask = (LEDS_LED1 | LEDS_LED3 | LEDS_LED4); - break; - } - - /* Set the board LEDs to the new LED mask */ - LEDs_SetAllLEDs(LEDMask); -} - -/** Displays a PIMA command error via the device's serial port. - * - * \param ErrorCode Error code of the function which failed to complete successfully - * \param ResponseCodeError Indicates if the error is due to a command failed indication from the device, or a communication failure - */ -void ShowCommandError(uint8_t ErrorCode, bool ResponseCodeError) -{ - char* FailureType = ((ResponseCodeError) ? PSTR("Response Code != OK") : PSTR("Transaction Fail")); - - printf_P(PSTR(ESC_BG_RED "Command Error (%S).\r\n"), FailureType); - printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode); - - /* Indicate error via status LEDs */ - UpdateStatus(Status_PIMACommandError); - - /* Wait until USB device disconnected */ - while (USB_IsConnected); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); }