X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f1199200e167a737a4676378da184387e543830c..05fcf7e2a79bebb978d4aeaef26b12f70c6826f8:/Demos/Host/LowLevel/StillImageHost/StillImageHost.c diff --git a/Demos/Host/LowLevel/StillImageHost/StillImageHost.c b/Demos/Host/LowLevel/StillImageHost/StillImageHost.c index 197e832f6..c4aadb1bb 100644 --- a/Demos/Host/LowLevel/StillImageHost/StillImageHost.c +++ b/Demos/Host/LowLevel/StillImageHost/StillImageHost.c @@ -36,19 +36,27 @@ #include "StillImageHost.h" -/* Scheduler Task List */ -TASK_LIST -{ - { .Task = USB_USBTask , .TaskStatus = TASK_STOP }, - { .Task = USB_SImage_Host , .TaskStatus = TASK_STOP }, -}; - - /** 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 (;;) + { + StillImage_Task(); + 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(); @@ -60,153 +68,112 @@ int main(void) /* 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); + puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE)); + 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); + puts_P(PSTR(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE)); + 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) +void EVENT_USB_Host_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); + 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); - UpdateStatus(Status_EnumerationError); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); } /** 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) +void StillImage_Task(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, - }; - - /* 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")); + puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n")); else - puts_P(PSTR("Invalid Device.\r\n")); + puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); - printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode); + printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); /* Indicate error via status LEDs */ - UpdateStatus(Status_EnumerationError); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); /* Wait until USB device disconnected */ - while (USB_IsConnected); + USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } - puts_P(PSTR("Still Image Device Enumerated.\r\n")); + /* 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; + } - USB_HostState = HOST_STATE_Ready; + puts_P(PSTR("Still Image Device Enumerated.\r\n")); + + USB_HostState = HOST_STATE_Configured; break; - case HOST_STATE_Ready: + case HOST_STATE_Configured: /* Indicate device busy via the status LEDs */ - UpdateStatus(Status_Busy); - + LEDs_SetAllLEDs(LEDMASK_USB_BUSY); + puts_P(PSTR("Retrieving Device Info...\r\n")); PIMA_SendBlock = (PIMA_Container_t) @@ -222,9 +189,11 @@ TASK(USB_SImage_Host) SImage_SendBlockHeader(); /* Receive the response data block */ - if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError) + if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError) { ShowCommandError(ErrorCode, false); + + USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } @@ -244,28 +213,28 @@ TASK(USB_SImage_Host) 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 + DeviceInfoPos += 8; // Skip to VendorExtensionDesc String + DeviceInfoPos += (1 + UNICODE_STRING_LENGTH(*DeviceInfoPos)); // 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 + DeviceInfoPos += 1 + UNICODE_STRING_LENGTH(*DeviceInfoPos); // 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 + DeviceInfoPos += 1 + UNICODE_STRING_LENGTH(*DeviceInfoPos); // Skip over Model String /* Extract and convert the Device Version Unicode string to ASCII and print it through the USART */ char DeviceVersion[*DeviceInfoPos]; @@ -273,9 +242,11 @@ TASK(USB_SImage_Host) printf_P(PSTR(" Device Version: %s\r\n"), DeviceVersion); /* Receive the final response block from the device */ - if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError) + if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError) { ShowCommandError(ErrorCode, false); + + USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } @@ -283,6 +254,8 @@ TASK(USB_SImage_Host) if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK)) { ShowCommandError(PIMA_ReceivedBlock.Code, true); + + USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } @@ -301,9 +274,11 @@ TASK(USB_SImage_Host) SImage_SendBlockHeader(); /* Receive the response block from the device */ - if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError) + if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError) { ShowCommandError(ErrorCode, false); + + USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } @@ -311,6 +286,8 @@ TASK(USB_SImage_Host) if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK)) { ShowCommandError(PIMA_ReceivedBlock.Code, true); + + USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } @@ -329,9 +306,11 @@ TASK(USB_SImage_Host) SImage_SendBlockHeader(); /* Receive the response block from the device */ - if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError) + if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError) { ShowCommandError(ErrorCode, false); + + USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } @@ -339,17 +318,17 @@ TASK(USB_SImage_Host) if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK)) { ShowCommandError(PIMA_ReceivedBlock.Code, true); + + USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } puts_P(PSTR("Done.\r\n")); /* Indicate device no longer busy */ - UpdateStatus(Status_USBReady); - - /* Wait until USB device disconnected */ - while (USB_IsConnected); + LEDs_SetAllLEDs(LEDMASK_USB_READY); + USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } } @@ -357,8 +336,8 @@ TASK(USB_SImage_Host) /** 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 + * \param[in] UnicodeString Pointer to a Unicode encoded input string + * \param[out] Buffer Pointer to a buffer where the converted ASCII string should be stored */ void UnicodeToASCII(uint8_t* UnicodeString, char* Buffer) { @@ -368,7 +347,7 @@ void UnicodeToASCII(uint8_t* UnicodeString, char* Buffer) /* Loop through the entire unicode string */ while (CharactersRemaining--) { - /* Load in the next unicode character (only the lower byte, only Unicode coded ASCII supported) */ + /* Load in the next unicode character (only the lower byte, as only Unicode coded ASCII is supported) */ *(Buffer++) = *UnicodeString; /* Jump to the next unicode character */ @@ -379,56 +358,18 @@ void UnicodeToASCII(uint8_t* UnicodeString, char* Buffer) *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 + * \param[in] ErrorCode Error code of the function which failed to complete successfully + * \param[in] 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); + printf_P(PSTR(ESC_FG_RED "Command Error (%S).\r\n" + " -- Error Code %d\r\n" ESC_FG_WHITE), FailureType, ErrorCode); /* Indicate error via status LEDs */ - UpdateStatus(Status_PIMACommandError); - - /* Wait until USB device disconnected */ - while (USB_IsConnected); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); }