\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
-\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
+ StillImage_Task();\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
/* 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
+ puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));\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
+ puts_P(PSTR(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));\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
+void EVENT_USB_Host_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
+ 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
- UpdateStatus(Status_EnumerationError);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\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
+void StillImage_Task(void)\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
+ puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));\r
else\r
- puts_P(PSTR("Invalid Device.\r\n"));\r
+ puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));\r
\r
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);\r
+ printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);\r
\r
/* Indicate error via status LEDs */\r
- UpdateStatus(Status_EnumerationError);\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
\r
/* Wait until USB device disconnected */\r
- while (USB_IsConnected);\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
break;\r
}\r
\r
- puts_P(PSTR("Still Image Device Enumerated.\r\n"));\r
+ /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */\r
+ if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)\r
+ {\r
+ printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"\r
+ " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);\r
+\r
+ /* Indicate error via status LEDs */\r
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);\r
+\r
+ /* Wait until USB device disconnected */\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
+ break;\r
+ }\r
\r
- USB_HostState = HOST_STATE_Ready;\r
+ puts_P(PSTR("Still Image Device Enumerated.\r\n"));\r
+\r
+ USB_HostState = HOST_STATE_Configured;\r
break;\r
- case HOST_STATE_Ready:\r
+ case HOST_STATE_Configured:\r
/* Indicate device busy via the status LEDs */\r
- UpdateStatus(Status_Busy);\r
-\r
+ LEDs_SetAllLEDs(LEDMASK_USB_BUSY);\r
+ \r
puts_P(PSTR("Retrieving Device Info...\r\n"));\r
\r
PIMA_SendBlock = (PIMA_Container_t)\r
SImage_SendBlockHeader();\r
\r
/* Receive the response data block */\r
- if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError)\r
+ if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)\r
{\r
ShowCommandError(ErrorCode, false);\r
+ \r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
break;\r
}\r
\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
+ DeviceInfoPos += 8; // Skip to VendorExtensionDesc String\r
+ DeviceInfoPos += (1 + UNICODE_STRING_LENGTH(*DeviceInfoPos)); // 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
+ DeviceInfoPos += 1 + UNICODE_STRING_LENGTH(*DeviceInfoPos); // 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
+ DeviceInfoPos += 1 + UNICODE_STRING_LENGTH(*DeviceInfoPos); // 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
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
+ if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)\r
{\r
ShowCommandError(ErrorCode, false);\r
+ \r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
break;\r
}\r
\r
if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))\r
{\r
ShowCommandError(PIMA_ReceivedBlock.Code, true);\r
+ \r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
break;\r
}\r
\r
SImage_SendBlockHeader();\r
\r
/* Receive the response block from the device */\r
- if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError)\r
+ if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)\r
{\r
ShowCommandError(ErrorCode, false);\r
+ \r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
break;\r
}\r
\r
if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))\r
{\r
ShowCommandError(PIMA_ReceivedBlock.Code, true);\r
+ \r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
break;\r
}\r
\r
SImage_SendBlockHeader();\r
\r
/* Receive the response block from the device */\r
- if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError)\r
+ if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)\r
{\r
ShowCommandError(ErrorCode, false);\r
+ \r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
break;\r
}\r
\r
if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))\r
{\r
ShowCommandError(PIMA_ReceivedBlock.Code, true);\r
+ \r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\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
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
\r
+ USB_HostState = HOST_STATE_WaitForDeviceRemoval;\r
break;\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
+ * \param[in] UnicodeString Pointer to a Unicode encoded input string\r
+ * \param[out] Buffer Pointer to a buffer where the converted ASCII string should be stored\r
*/\r
void UnicodeToASCII(uint8_t* UnicodeString, char* Buffer)\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
+ /* Load in the next unicode character (only the lower byte, as only Unicode coded ASCII is supported) */\r
*(Buffer++) = *UnicodeString;\r
\r
/* Jump to the next unicode character */\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
+ * \param[in] ErrorCode Error code of the function which failed to complete successfully\r
+ * \param[in] 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
+ printf_P(PSTR(ESC_FG_RED "Command Error (%S).\r\n"\r
+ " -- Error Code %d\r\n" ESC_FG_WHITE), FailureType, 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