X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f1199200e167a737a4676378da184387e543830c..3bd4011c0935e0d41af3ae59c69eec989cc53bbf:/Demos/Host/LowLevel/StillImageHost/StillImageHost.c diff --git a/Demos/Host/LowLevel/StillImageHost/StillImageHost.c b/Demos/Host/LowLevel/StillImageHost/StillImageHost.c index 197e832f6..a337ab045 100644 --- a/Demos/Host/LowLevel/StillImageHost/StillImageHost.c +++ b/Demos/Host/LowLevel/StillImageHost/StillImageHost.c @@ -36,19 +36,28 @@ #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. */ int main(void) { + SetupHardware(); + + puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY + "Still Image Host Demo running.\r\n" ESC_INVERSE_OFF)); + + 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(); @@ -60,22 +69,7 @@ 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 @@ -84,10 +78,7 @@ int main(void) void EVENT_USB_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 @@ -95,12 +86,8 @@ void EVENT_USB_DeviceAttached(void) */ void EVENT_USB_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 @@ -108,11 +95,7 @@ void EVENT_USB_DeviceUnattached(void) */ void EVENT_USB_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. */ @@ -123,7 +106,7 @@ void EVENT_USB_HostError(const uint8_t ErrorCode) puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n")); printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode); - UpdateStatus(Status_HardwareError); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); for(;;); } @@ -137,48 +120,19 @@ void EVENT_USB_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t Su printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode); printf_P(PSTR(" -- In State %d\r\n"), 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 */ @@ -192,21 +146,37 @@ TASK(USB_SImage_Host) printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode); /* Indicate error via status LEDs */ - UpdateStatus(Status_EnumerationError); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); /* Wait until USB device disconnected */ while (USB_IsConnected); break; } + /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */ + if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful) + { + puts_P(PSTR("Control error.\r\n")); + + /* Indicate error via status LEDs */ + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); + + /* Wait until USB device disconnected */ + while (USB_IsConnected); + break; + } + + USB_HostState = HOST_STATE_Configured; + break; + case HOST_STATE_Configured: 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); - + LEDs_SetAllLEDs(LEDMASK_USB_BUSY); + puts_P(PSTR("Retrieving Device Info...\r\n")); PIMA_SendBlock = (PIMA_Container_t) @@ -345,7 +315,7 @@ TASK(USB_SImage_Host) puts_P(PSTR("Done.\r\n")); /* Indicate device no longer busy */ - UpdateStatus(Status_USBReady); + LEDs_SetAllLEDs(LEDMASK_USB_READY); /* Wait until USB device disconnected */ while (USB_IsConnected); @@ -379,41 +349,6 @@ 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 @@ -427,7 +362,7 @@ void ShowCommandError(uint8_t ErrorCode, bool ResponseCodeError) printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode); /* Indicate error via status LEDs */ - UpdateStatus(Status_PIMACommandError); + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); /* Wait until USB device disconnected */ while (USB_IsConnected);