/*
LUFA Library
- Copyright (C) Dean Camera, 2011.
+ Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2017 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
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
- The author disclaim all warranties with regard to this
+ The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
puts_P(PSTR(ESC_FG_CYAN "Still Image Host Demo running.\r\n" ESC_FG_WHITE));
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
- sei();
+ GlobalInterruptEnable();
for (;;)
{
- StillImage_Task();
+ StillImageHost_Task();
+
USB_USBTask();
}
}
/** Configures the board hardware and chip peripherals for the demo's functionality. */
void SetupHardware(void)
{
+#if (ARCH == ARCH_AVR8)
/* 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);
+#endif
/* Hardware Initialization */
Serial_Init(9600, false);
*/
void EVENT_USB_Host_DeviceEnumerationComplete(void)
{
+ puts_P(PSTR("Getting Config Data.\r\n"));
+
+ uint8_t ErrorCode;
+
+ /* Get and process the configuration descriptor data */
+ if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
+ {
+ if (ErrorCode == ControlError)
+ puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
+ else
+ puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
+
+ printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ /* 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);
+
+ LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+ return;
+ }
+
+ puts_P(PSTR("Still Image Device Enumerated.\r\n"));
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_Host_HostError(const uint8_t ErrorCode)
{
- USB_ShutDown();
+ USB_Disable();
printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
" -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
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 to print device information through the serial port, and open/close a test PIMA session with the
+ * attached Still Image device.
*/
-void StillImage_Task(void)
+void StillImageHost_Task(void)
{
+ if (USB_HostState != HOST_STATE_Configured)
+ return;
+
uint8_t ErrorCode;
- switch (USB_HostState)
+ /* Indicate device busy via the status LEDs */
+ LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
+
+ puts_P(PSTR("Retrieving Device Info...\r\n"));
+
+ PIMA_SendBlock = (PIMA_Container_t)
+ {
+ .DataLength = PIMA_COMMAND_SIZE(0),
+ .Type = PIMA_CONTAINER_CommandBlock,
+ .Code = PIMA_OPERATION_GETDEVICEINFO,
+ .TransactionID = 0x00000000,
+ .Params = {},
+ };
+
+ /* Send the GETDEVICEINFO block */
+ SImage_SendBlockHeader();
+
+ /* Receive the response data block */
+ if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)
+ {
+ ShowCommandError(ErrorCode, false);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ /* 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 += (1 + UNICODE_STRING_LENGTH(*DeviceInfoPos)); // Skip over VendorExtensionDesc String
+ DeviceInfoPos += 2; // Skip over FunctionalMode
+ DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over Supported Operations Array
+ DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over Supported Events Array
+ DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over Supported Device Properties Array
+ DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over Capture Formats Array
+ DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over Image Formats 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 += 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 += 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];
+ UnicodeToASCII(DeviceInfoPos, DeviceVersion);
+ printf_P(PSTR(" Device Version: %s\r\n"), DeviceVersion);
+
+ /* Receive the final response block from the device */
+ if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)
+ {
+ ShowCommandError(ErrorCode, false);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ /* Verify that the command completed successfully */
+ if ((PIMA_ReceivedBlock.Type != PIMA_CONTAINER_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))
+ {
+ ShowCommandError(PIMA_ReceivedBlock.Code, true);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ puts_P(PSTR("Opening Session...\r\n"));
+
+ PIMA_SendBlock = (PIMA_Container_t)
+ {
+ .DataLength = PIMA_COMMAND_SIZE(1),
+ .Type = PIMA_CONTAINER_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_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)
+ {
+ ShowCommandError(ErrorCode, false);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ /* Verify that the command completed successfully */
+ if ((PIMA_ReceivedBlock.Type != PIMA_CONTAINER_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))
+ {
+ ShowCommandError(PIMA_ReceivedBlock.Code, true);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ puts_P(PSTR("Closing Session...\r\n"));
+
+ PIMA_SendBlock = (PIMA_Container_t)
+ {
+ .DataLength = PIMA_COMMAND_SIZE(1),
+ .Type = PIMA_CONTAINER_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_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)
+ {
+ ShowCommandError(ErrorCode, false);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
+ }
+
+ /* Verify that the command completed successfully */
+ if ((PIMA_ReceivedBlock.Type != PIMA_CONTAINER_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))
{
- case HOST_STATE_Addressed:
- 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(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
- else
- puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
-
- printf_P(PSTR(" -- 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;
- }
-
- /* 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;
- }
-
- puts_P(PSTR("Still Image Device Enumerated.\r\n"));
- USB_HostState = HOST_STATE_Configured;
- break;
- case HOST_STATE_Configured:
- /* Indicate device busy via the status LEDs */
- LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
-
- puts_P(PSTR("Retrieving Device Info...\r\n"));
-
- PIMA_SendBlock = (PIMA_Container_t)
- {
- .DataLength = PIMA_COMMAND_SIZE(0),
- .Type = PIMA_CONTAINER_CommandBlock,
- .Code = PIMA_OPERATION_GETDEVICEINFO,
- .TransactionID = 0x00000000,
- .Params = {},
- };
-
- /* Send the GETDEVICEINFO block */
- SImage_SendBlockHeader();
-
- /* Receive the response data block */
- if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)
- {
- ShowCommandError(ErrorCode, false);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- 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 += (1 + UNICODE_STRING_LENGTH(*DeviceInfoPos)); // Skip over VendorExtensionDesc String
- DeviceInfoPos += 2; // Skip over FunctionalMode
- DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over Supported Operations Array
- DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over Supported Events Array
- DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over Supported Device Properties Array
- DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over Capture Formats Array
- DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over Image Formats 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 += 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 += 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];
- UnicodeToASCII(DeviceInfoPos, DeviceVersion);
- printf_P(PSTR(" Device Version: %s\r\n"), DeviceVersion);
-
- /* Receive the final response block from the device */
- if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)
- {
- ShowCommandError(ErrorCode, false);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Verify that the command completed successfully */
- if ((PIMA_ReceivedBlock.Type != PIMA_CONTAINER_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))
- {
- ShowCommandError(PIMA_ReceivedBlock.Code, true);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- puts_P(PSTR("Opening Session...\r\n"));
-
- PIMA_SendBlock = (PIMA_Container_t)
- {
- .DataLength = PIMA_COMMAND_SIZE(1),
- .Type = PIMA_CONTAINER_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_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)
- {
- ShowCommandError(ErrorCode, false);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Verify that the command completed successfully */
- if ((PIMA_ReceivedBlock.Type != PIMA_CONTAINER_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))
- {
- ShowCommandError(PIMA_ReceivedBlock.Code, true);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- puts_P(PSTR("Closing Session...\r\n"));
-
- PIMA_SendBlock = (PIMA_Container_t)
- {
- .DataLength = PIMA_COMMAND_SIZE(1),
- .Type = PIMA_CONTAINER_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_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)
- {
- ShowCommandError(ErrorCode, false);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* Verify that the command completed successfully */
- if ((PIMA_ReceivedBlock.Type != PIMA_CONTAINER_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 */
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
-
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
+ ShowCommandError(PIMA_ReceivedBlock.Code, true);
+ USB_Host_SetDeviceConfiguration(0);
+ return;
}
+
+ puts_P(PSTR("Done.\r\n"));
+
+ /* Indicate device no longer busy */
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);
+ USB_Host_SetDeviceConfiguration(0);
}
/** Function to convert a given Unicode encoded string to ASCII. This function will only work correctly on Unicode
void ShowCommandError(uint8_t ErrorCode,
bool ResponseCodeError)
{
- char* FailureType = ((ResponseCodeError) ? PSTR("Response Code != OK") : PSTR("Transaction Fail"));
+ const char* FailureType = ((ResponseCodeError) ? PSTR("Response Code != OK") : PSTR("Transaction Fail"));
printf_P(PSTR(ESC_FG_RED "Command Error (%S).\r\n"
" -- Error Code %d\r\n" ESC_FG_WHITE), FailureType, ErrorCode);
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