/*\r
LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
+ Copyright (C) Dean Camera, 2010.\r
\r
dean [at] fourwalledcubicle [dot] com\r
www.fourwalledcubicle.com\r
*/\r
\r
/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting\r
- documentation, and that the name of the author not be used in\r
- advertising or publicity pertaining to distribution of the\r
+ Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+ Permission to use, copy, modify, distribute, and sell this \r
+ software and its documentation for any purpose is hereby granted\r
+ without fee, provided that the above copyright notice appear in \r
+ all copies and that both that the copyright notice and this\r
+ permission notice and warranty disclaimer appear in supporting \r
+ documentation, and that the name of the author not be used in \r
+ advertising or publicity pertaining to distribution of the \r
software without specific, written prior permission.\r
\r
The author disclaim all warranties with regard to this\r
* Main source file for the StillImageHost demo. This file contains the main tasks of\r
* the demo and is responsible for the initial application hardware configuration.\r
*/\r
-\r
+ \r
#include "StillImageHost.h"\r
\r
-/* Scheduler Task List */\r
-TASK_LIST\r
-{\r
- { .Task = USB_USBTask , .TaskStatus = TASK_STOP },\r
- { .Task = USB_SImage_Host , .TaskStatus = TASK_STOP },\r
-};\r
-\r
+/** LUFA Still Image Class driver interface configuration and state information. This structure is\r
+ * passed to all Still Image Class driver functions, so that multiple instances of the same class\r
+ * within a device can be differentiated from one another.\r
+ */\r
+USB_ClassInfo_SI_Host_t DigitalCamera_SI_Interface =\r
+ {\r
+ .Config =\r
+ {\r
+ .DataINPipeNumber = 1,\r
+ .DataINPipeDoubleBank = false,\r
+ \r
+ .DataOUTPipeNumber = 2,\r
+ .DataOUTPipeDoubleBank = false,\r
+ \r
+ .EventsPipeNumber = 3,\r
+ .EventsPipeDoubleBank = false,\r
+ },\r
+ };\r
\r
/** Main program entry point. This routine configures the hardware required by the application, then\r
- * starts the scheduler to run the application tasks.\r
+ * enters a loop to run the application tasks in sequence.\r
*/\r
int main(void)\r
{\r
+ SetupHardware();\r
+\r
+ puts_P(PSTR(ESC_FG_CYAN "Still Image Host Demo running.\r\n" ESC_FG_WHITE));\r
+\r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
+\r
+ for (;;)\r
+ {\r
+ switch (USB_HostState)\r
+ {\r
+ case HOST_STATE_Addressed:\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
+ \r
+ uint16_t ConfigDescriptorSize;\r
+ uint8_t ConfigDescriptorData[512];\r
+\r
+ if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,\r
+ sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)\r
+ {\r
+ printf("Error Retrieving Configuration Descriptor.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+\r
+ if (SImage_Host_ConfigurePipes(&DigitalCamera_SI_Interface,\r
+ ConfigDescriptorSize, ConfigDescriptorData) != SI_ENUMERROR_NoError)\r
+ {\r
+ printf("Attached Device Not a Valid CDC Class Device.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)\r
+ {\r
+ printf("Error Setting Device Configuration.\r\n");\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ printf("Still Image Device Enumerated.\r\n");\r
+ USB_HostState = HOST_STATE_Configured;\r
+ break;\r
+ case HOST_STATE_Configured:\r
+ printf("Opening Session...\r\n");\r
+ \r
+ if (SImage_Host_OpenSession(&DigitalCamera_SI_Interface) != PIPE_RWSTREAM_NoError)\r
+ {\r
+ printf("Could not open PIMA session.\r\n");\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+\r
+ printf("Turning off Device...\r\n");\r
+\r
+ SImage_Host_SendCommand(&DigitalCamera_SI_Interface, 0x1013, 0, NULL);\r
+ if (SImage_Host_ReceiveResponse(&DigitalCamera_SI_Interface))\r
+ {\r
+ printf("Could not turn off device.\r\n");\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break; \r
+ }\r
+\r
+ printf("Device Off.\r\n");\r
+\r
+ printf("Closing Session...\r\n");\r
+\r
+ if (SImage_Host_CloseSession(&DigitalCamera_SI_Interface) != PIPE_RWSTREAM_NoError)\r
+ {\r
+ printf("Could not close PIMA session.\r\n");\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
+ \r
+ SImage_Host_USBTask(&DigitalCamera_SI_Interface);\r
+ USB_USBTask();\r
+ }\r
+}\r
+\r
+/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
+void SetupHardware(void)\r
+{\r
/* Disable watchdog if enabled by bootloader/fuses */\r
MCUSR &= ~(1 << WDRF);\r
wdt_disable();\r
\r
- /* Disable Clock Division */\r
- CLKPR = (1 << CLKPCE);\r
- CLKPR = 0;\r
+ /* Disable clock division */\r
+ clock_prescale_set(clock_div_1);\r
\r
/* Hardware Initialization */\r
SerialStream_Init(9600, false);\r
LEDs_Init();\r
- \r
- /* Indicate USB not ready */\r
- UpdateStatus(Status_USBNotReady);\r
- \r
- /* Initialize Scheduler so that it can be used */\r
- Scheduler_Init();\r
-\r
- /* Initialize USB Subsystem */\r
USB_Init();\r
-\r
- /* Start-up message */\r
- puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY\r
- "Still Image Host Demo running.\r\n" ESC_INVERSE_OFF));\r
- \r
- /* Scheduling - routine never returns, so put this last in the main function */\r
- Scheduler_Start();\r
}\r
\r
/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and\r
* starts the library USB task to begin the enumeration and USB management process.\r
*/\r
-void EVENT_USB_DeviceAttached(void)\r
+void EVENT_USB_Host_DeviceAttached(void)\r
{\r
puts_P(PSTR("Device Attached.\r\n"));\r
- UpdateStatus(Status_USBEnumerating);\r
- \r
- /* Start USB management task to enumerate the device */\r
- Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);\r
}\r
\r
/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and\r
* stops the library USB task management process.\r
*/\r
-void EVENT_USB_DeviceUnattached(void)\r
+void EVENT_USB_Host_DeviceUnattached(void)\r
{\r
- /* Stop USB management and Still Image tasks */\r
- Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);\r
- Scheduler_SetTaskMode(USB_SImage_Host, TASK_STOP);\r
-\r
puts_P(PSTR("\r\nDevice Unattached.\r\n"));\r
- UpdateStatus(Status_USBNotReady);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);\r
}\r
\r
/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully\r
* enumerated by the host and is now ready to be used by the application.\r
*/\r
-void EVENT_USB_DeviceEnumerationComplete(void)\r
+void EVENT_USB_Host_DeviceEnumerationComplete(void)\r
{\r
- /* Once device is fully enumerated, start the Still Image Host task */\r
- Scheduler_SetTaskMode(USB_SImage_Host, TASK_RUN);\r
-\r
- /* Indicate device enumeration complete */\r
- UpdateStatus(Status_USBReady);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
}\r
\r
/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */\r
-void EVENT_USB_HostError(const uint8_t ErrorCode)\r
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)\r
{\r
USB_ShutDown();\r
\r
- puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n"));\r
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);\r
+ printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"\r
+ " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);\r
\r
- UpdateStatus(Status_HardwareError);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
for(;;);\r
}\r
\r
/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while\r
* enumerating an attached USB device.\r
*/\r
-void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r
-{\r
- puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n"));\r
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);\r
- printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);\r
- printf_P(PSTR(" -- In State %d\r\n"), USB_HostState);\r
- \r
- UpdateStatus(Status_EnumerationError);\r
-}\r
-\r
-/** Task to set the configuration of the attached device after it has been enumerated, and to print device information\r
- * through the serial port.\r
- */\r
-TASK(USB_SImage_Host)\r
-{\r
- uint8_t ErrorCode;\r
-\r
- switch (USB_HostState)\r
- {\r
- case HOST_STATE_Addressed:\r
- /* Standard request to set the device configuration to configuration 1 */\r
- USB_ControlRequest = (USB_Request_Header_t)\r
- {\r
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
- .bRequest = REQ_SetConfiguration,\r
- .wValue = 1,\r
- .wIndex = 0,\r
- .wLength = 0,\r
- };\r
-\r
- /* Select the control pipe for the request transfer */\r
- Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
-\r
- /* Send the request, display error and wait for device detach if request fails */\r
- if (USB_Host_SendControlRequest(NULL) != HOST_SENDCONTROL_Successful)\r
- {\r
- puts_P(PSTR("Control error.\r\n"));\r
-\r
- /* Indicate error via status LEDs */\r
- UpdateStatus(Status_EnumerationError);\r
-\r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
- break;\r
- }\r
- \r
- USB_HostState = HOST_STATE_Configured;\r
- break;\r
- case HOST_STATE_Configured:\r
- puts_P(PSTR("Getting Config Data.\r\n"));\r
- \r
- /* Get and process the configuration descriptor data */\r
- if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)\r
- {\r
- if (ErrorCode == ControlError)\r
- puts_P(PSTR("Control Error (Get Configuration).\r\n"));\r
- else\r
- puts_P(PSTR("Invalid Device.\r\n"));\r
-\r
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
- \r
- /* Indicate error via status LEDs */\r
- UpdateStatus(Status_EnumerationError);\r
-\r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
- break;\r
- }\r
-\r
- puts_P(PSTR("Still Image Device Enumerated.\r\n"));\r
- \r
- USB_HostState = HOST_STATE_Ready;\r
- break;\r
- case HOST_STATE_Ready:\r
- /* Indicate device busy via the status LEDs */\r
- UpdateStatus(Status_Busy);\r
-\r
- puts_P(PSTR("Retrieving Device Info...\r\n"));\r
- \r
- PIMA_SendBlock = (PIMA_Container_t)\r
- {\r
- .DataLength = PIMA_COMMAND_SIZE(0),\r
- .Type = CType_CommandBlock,\r
- .Code = PIMA_OPERATION_GETDEVICEINFO,\r
- .TransactionID = 0x00000000,\r
- .Params = {},\r
- };\r
- \r
- /* Send the GETDEVICEINFO block */\r
- SImage_SendBlockHeader();\r
- \r
- /* Receive the response data block */\r
- if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError)\r
- {\r
- ShowCommandError(ErrorCode, false);\r
- break;\r
- }\r
- \r
- /* Calculate the size of the returned device info data structure */\r
- uint16_t DeviceInfoSize = (PIMA_ReceivedBlock.DataLength - PIMA_COMMAND_SIZE(0));\r
- \r
- /* Create a buffer large enough to hold the entire device info */\r
- uint8_t DeviceInfo[DeviceInfoSize];\r
-\r
- /* Read in the data block data (containing device info) */\r
- SImage_ReadData(DeviceInfo, DeviceInfoSize);\r
- \r
- /* Once all the data has been read, the pipe must be cleared before the response can be sent */\r
- Pipe_ClearIN();\r
- \r
- /* Create a pointer for walking through the info dataset */\r
- uint8_t* DeviceInfoPos = DeviceInfo;\r
- \r
- /* Skip over the data before the unicode device information strings */\r
- DeviceInfoPos += 8; // Skip to VendorExtensionDesc String\r
- DeviceInfoPos += ((*DeviceInfoPos << 1) + 1); // Skip over VendorExtensionDesc String\r
- DeviceInfoPos += 2; // Skip over FunctionalMode\r
- DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over OperationCode Array\r
- DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over EventCode Array\r
- DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over DevicePropCode Array\r
- DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over ObjectFormatCode Array\r
- DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over ObjectFormatCode Array\r
- \r
- /* Extract and convert the Manufacturer Unicode string to ASCII and print it through the USART */\r
- char Manufacturer[*DeviceInfoPos];\r
- UnicodeToASCII(DeviceInfoPos, Manufacturer);\r
- printf_P(PSTR(" Manufacturer: %s\r\n"), Manufacturer);\r
-\r
- DeviceInfoPos += ((*DeviceInfoPos << 1) + 1); // Skip over Manufacturer String\r
-\r
- /* Extract and convert the Model Unicode string to ASCII and print it through the USART */\r
- char Model[*DeviceInfoPos];\r
- UnicodeToASCII(DeviceInfoPos, Model);\r
- printf_P(PSTR(" Model: %s\r\n"), Model);\r
-\r
- DeviceInfoPos += ((*DeviceInfoPos << 1) + 1); // Skip over Model String\r
-\r
- /* Extract and convert the Device Version Unicode string to ASCII and print it through the USART */\r
- char DeviceVersion[*DeviceInfoPos];\r
- UnicodeToASCII(DeviceInfoPos, DeviceVersion);\r
- printf_P(PSTR(" Device Version: %s\r\n"), DeviceVersion);\r
-\r
- /* Receive the final response block from the device */\r
- if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError)\r
- {\r
- ShowCommandError(ErrorCode, false);\r
- break;\r
- }\r
- \r
- /* Verify that the command completed successfully */\r
- if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))\r
- {\r
- ShowCommandError(PIMA_ReceivedBlock.Code, true);\r
- break;\r
- }\r
- \r
- puts_P(PSTR("Opening Session...\r\n"));\r
- \r
- PIMA_SendBlock = (PIMA_Container_t)\r
- {\r
- .DataLength = PIMA_COMMAND_SIZE(1),\r
- .Type = CType_CommandBlock,\r
- .Code = PIMA_OPERATION_OPENSESSION,\r
- .TransactionID = 0x00000000,\r
- .Params = {0x00000001},\r
- };\r
- \r
- /* Send the OPENSESSION block, open a session with an ID of 0x0001 */\r
- SImage_SendBlockHeader();\r
- \r
- /* Receive the response block from the device */\r
- if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError)\r
- {\r
- ShowCommandError(ErrorCode, false);\r
- break;\r
- }\r
- \r
- /* Verify that the command completed successfully */\r
- if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))\r
- {\r
- ShowCommandError(PIMA_ReceivedBlock.Code, true);\r
- break;\r
- }\r
-\r
- puts_P(PSTR("Closing Session...\r\n"));\r
-\r
- PIMA_SendBlock = (PIMA_Container_t)\r
- {\r
- .DataLength = PIMA_COMMAND_SIZE(1),\r
- .Type = CType_CommandBlock,\r
- .Code = PIMA_OPERATION_CLOSESESSION,\r
- .TransactionID = 0x00000001,\r
- .Params = {0x00000001},\r
- };\r
- \r
- /* Send the CLOSESESSION block, close the session with an ID of 0x0001 */\r
- SImage_SendBlockHeader();\r
- \r
- /* Receive the response block from the device */\r
- if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError)\r
- {\r
- ShowCommandError(ErrorCode, false);\r
- break;\r
- }\r
-\r
- /* Verify that the command completed successfully */\r
- if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))\r
- {\r
- ShowCommandError(PIMA_ReceivedBlock.Code, true);\r
- break;\r
- }\r
-\r
- puts_P(PSTR("Done.\r\n"));\r
-\r
- /* Indicate device no longer busy */\r
- UpdateStatus(Status_USBReady);\r
- \r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
- \r
- break;\r
- }\r
-}\r
-\r
-/** Function to convert a given Unicode encoded string to ASCII. This function will only work correctly on Unicode\r
- * strings which contain ASCII printable characters only.\r
- *\r
- * \param UnicodeString Pointer to a Unicode encoded input string\r
- * \param Buffer Pointer to a buffer where the converted ASCII string should be stored\r
- */\r
-void UnicodeToASCII(uint8_t* UnicodeString, char* Buffer)\r
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)\r
{\r
- /* Get the number of characters in the string, skip to the start of the string data */\r
- uint8_t CharactersRemaining = *(UnicodeString++);\r
- \r
- /* Loop through the entire unicode string */\r
- while (CharactersRemaining--)\r
- {\r
- /* Load in the next unicode character (only the lower byte, only Unicode coded ASCII supported) */\r
- *(Buffer++) = *UnicodeString;\r
- \r
- /* Jump to the next unicode character */\r
- UnicodeString += 2;\r
- }\r
+ printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"\r
+ " -- Error Code %d\r\n"\r
+ " -- Sub Error Code %d\r\n"\r
+ " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);\r
\r
- /* Null terminate the string */\r
- *Buffer = 0;\r
-}\r
-\r
-/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to\r
- * log to a serial port, or anything else that is suitable for status updates.\r
- *\r
- * \param CurrentStatus Current status of the system, from the StillImageHost_StatusCodes_t enum\r
- */\r
-void UpdateStatus(uint8_t CurrentStatus)\r
-{\r
- uint8_t LEDMask = LEDS_NO_LEDS;\r
- \r
- /* Set the LED mask to the appropriate LED mask based on the given status code */\r
- switch (CurrentStatus)\r
- {\r
- case Status_USBNotReady:\r
- LEDMask = (LEDS_LED1);\r
- break;\r
- case Status_USBEnumerating:\r
- LEDMask = (LEDS_LED1 | LEDS_LED2);\r
- break;\r
- case Status_USBReady:\r
- LEDMask = (LEDS_LED2);\r
- break;\r
- case Status_EnumerationError:\r
- case Status_HardwareError:\r
- case Status_PIMACommandError:\r
- LEDMask = (LEDS_LED1 | LEDS_LED3);\r
- break;\r
- case Status_Busy:\r
- LEDMask = (LEDS_LED1 | LEDS_LED3 | LEDS_LED4);\r
- break;\r
- }\r
- \r
- /* Set the board LEDs to the new LED mask */\r
- LEDs_SetAllLEDs(LEDMask);\r
-}\r
-\r
-/** Displays a PIMA command error via the device's serial port.\r
- *\r
- * \param ErrorCode Error code of the function which failed to complete successfully\r
- * \param ResponseCodeError Indicates if the error is due to a command failed indication from the device, or a communication failure\r
- */\r
-void ShowCommandError(uint8_t ErrorCode, bool ResponseCodeError)\r
-{\r
- char* FailureType = ((ResponseCodeError) ? PSTR("Response Code != OK") : PSTR("Transaction Fail"));\r
-\r
- printf_P(PSTR(ESC_BG_RED "Command Error (%S).\r\n"), FailureType);\r
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);\r
- \r
- /* Indicate error via status LEDs */\r
- UpdateStatus(Status_PIMACommandError);\r
- \r
- /* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
}\r
projects / pub / USBasp.git / blobdiff