/** 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_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;
}
CDC_LineEncoding_t LineEncoding = { .BaudRateBPS = 9600,
.CharFormat = CDC_LINEENCODING_OneStopBit,
.ParityType = CDC_PARITY_None,
.DataBits = 8 };
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = CDC_REQ_SetLineEncoding,
.wValue = 0,
.wIndex = 0,
.wLength = sizeof(LineEncoding),
};
/* Set the Line Encoding of the CDC interface within the device, so that it is ready to accept data */
Pipe_SelectPipe(PIPE_CONTROLPIPE);
if (USB_Host_SendControlRequest(&LineEncoding) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Control Error (Set Line Encoding).\r\n"
" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
return;
}
puts_P(PSTR("CDC 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_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);
for(;;);
}
/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
* enumerating an attached USB device.
*/
void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
const uint8_t SubErrorCode)
{
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);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
/** Task to set the configuration of the attached device after it has been enumerated, and to read in
* data received from the attached RNDIS device and print it to the serial port.
*/
void RNDIS_Host_Task(void)
{
uint8_t ErrorCode;
switch (USB_HostState)
{
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;
}
uint16_t DeviceMaxPacketSize;
if ((ErrorCode = RNDIS_InitializeDevice(1024, &DeviceMaxPacketSize)) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Error Initializing Device.\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;
}
printf_P(PSTR("Device Max Transfer Size: %lu bytes.\r\n"), DeviceMaxPacketSize);
/* We set the default filter to only receive packets we would be interested in */
uint32_t PacketFilter = (REMOTE_NDIS_PACKET_DIRECTED | REMOTE_NDIS_PACKET_BROADCAST | REMOTE_NDIS_PACKET_ALL_MULTICAST);
if ((ErrorCode = RNDIS_SetRNDISProperty(OID_GEN_CURRENT_PACKET_FILTER,
&PacketFilter, sizeof(PacketFilter))) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Error Setting Device Packet Filter.\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;
}
uint32_t VendorID;
if ((ErrorCode = RNDIS_QueryRNDISProperty(OID_GEN_VENDOR_ID,
&VendorID, sizeof(VendorID))) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Error Getting Vendor ID.\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;
}
printf_P(PSTR("Device Vendor ID: 0x%08lX\r\n"), VendorID);
puts_P(PSTR("RNDIS Device Enumerated.\r\n"));
USB_HostState = HOST_STATE_Configured;
break;
case HOST_STATE_Configured:
PrintIncommingPackets();
break;
}
}
/** 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_Host_DeviceEnumerationComplete(void)
{
puts_P(PSTR("Getting Device Data.\r\n"));
/* Get and process the configuration descriptor data */
uint8_t ErrorCode = ProcessDeviceDescriptor();
bool RequiresModeSwitch = (ErrorCode == NonAccessoryModeAndroidDevice);
/* Error out if the device is not an Android device or an error occurred */
if ((ErrorCode != AccessoryModeAndroidDevice) && (ErrorCode != NonAccessoryModeAndroidDevice))
{
if (ErrorCode == ControlError)
puts_P(PSTR(ESC_FG_RED "Control Error (Get Device).\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;
}
printf_P(PSTR("Android Device Detected - %sAccessory mode.\r\n"), (RequiresModeSwitch ? "Non-" : ""));
/* Check if a valid Android device was attached, but it is not current in Accessory mode */
if (RequiresModeSwitch)
{
uint16_t AndroidProtocol;
/* Fetch the version of the Android Accessory Protocol supported by the device */
if ((ErrorCode = Android_GetAccessoryProtocol(&AndroidProtocol)) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Control Error (Get Protocol).\r\n"
" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
return;
}
/* Validate the returned protocol version */
if (AndroidProtocol != AOA_PROTOCOL_AccessoryV1)
{
puts_P(PSTR(ESC_FG_RED "Accessory Mode Not Supported."));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
return;
}
/* Send the device strings and start the Android Accessory Mode */
Android_SendString(AOA_STRING_Manufacturer, "Dean Camera");
Android_SendString(AOA_STRING_Model, "LUFA Android Demo");
Android_SendString(AOA_STRING_Description, "LUFA Android Demo");
Android_SendString(AOA_STRING_Version, "1.0");
Android_SendString(AOA_STRING_URI, "http://www.lufa-lib.org");
Android_SendString(AOA_STRING_Serial, "0000000012345678");
Android_StartAccessoryMode();
return;
}
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);
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("Accessory Mode Android Enumerated.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
/** Task to set the configuration of the attached device after it has been enumerated, and to print device information
* through the serial port.
*/
void StillImage_Task(void)
{
uint8_t ErrorCode;
switch (USB_HostState)
{
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 = CType_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 != CType_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 = CType_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 != CType_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 = CType_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 != 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 */
LEDs_SetAllLEDs(LEDMASK_USB_READY);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
}
/** 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[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)
{
/* Get the number of characters in the string, skip to the start of the string data */
uint8_t CharactersRemaining = *(UnicodeString++);
/* Loop through the entire unicode string */
while (CharactersRemaining--)
{
/* 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 */
UnicodeString += 2;
}
/* Null terminate the string */
*Buffer = 0;
}
/** Displays a PIMA command error via the device's serial port.
*
* \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_FG_RED "Command Error (%S).\r\n"
" -- Error Code %d\r\n" ESC_FG_WHITE), FailureType, ErrorCode);
/* Indicate error via status LEDs */
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
void Camera_Capture(void)
{
if (USB_HostState != HOST_STATE_Configured)
return;
uint8_t ErrorCode;
puts_P(PSTR("Taking picture...\r\n"));
_delay_ms(50);
PIMA_SendBlock = (PIMA_Container_t)
{
.DataLength = PIMA_COMMAND_SIZE(0),
.Type = PIMA_CONTAINER_CommandBlock,
.Code = EOS_OC_CAPTURE,
.TransactionID = 0x00000001,
.Params = {},
};
/* Send the GETDEVICEINFO block */
SImage_SendBlockHeader();
/* Receive the response data block */
if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)
{
puts_P(PSTR("Error 8\r\n"));
ShowCommandError(ErrorCode, false);
USB_Host_SetDeviceConfiguration(0);
return;
}
return;
}
void Camera_SetParam(uint32_t param, uint32_t val)
{
if (USB_HostState != HOST_STATE_Configured)
return;
uint8_t ErrorCode;
puts_P(PSTR("Changing ISO...\r\n"));
_delay_ms(50);
PIMA_SendBlock = (PIMA_Container_t)
{
.DataLength = PIMA_COMMAND_SIZE(1)+2,
.Type = PIMA_CONTAINER_CommandBlock,
.Code = EOS_OC_PROPERTY_SET,
.TransactionID = 0x00000001,
.Params = {param},
};
/* Send the GETDEVICEINFO block */
SImage_SendBlockHeader();
uint8_t *SendData = ((uint8_t*)((void*)(&val)));
/* Receive the response data block */
if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)
{
puts_P(PSTR("Error 9\r\n"));
ShowCommandError(ErrorCode, false);
USB_Host_SetDeviceConfiguration(0);
return;
}
SImage_SendData(SendData, 2);
/* Receive the response data block */
if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)
{
puts_P(PSTR("Error 12\r\n"));
ShowCommandError(ErrorCode, false);
USB_Host_SetDeviceConfiguration(0);
return;
}
return;
}
void Camera_GetModel(void)
{
if (USB_HostState != HOST_STATE_Configured)
return;
uint8_t ErrorCode;
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)
{
puts_P(PSTR("Error 1\r\n"));
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);
_delay_ms(50);
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);
_delay_ms(50);
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\r\n"), DeviceVersion);
_delay_ms(50);
/* Receive the final response block from the device */
if ((ErrorCode = SImage_ReceiveBlockHeader()) != PIPE_RWSTREAM_NoError)
{
puts_P(PSTR("Error 2\r\n"));
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))
{
puts_P(PSTR("Error 3\r\n"));
ShowCommandError(PIMA_ReceivedBlock.Code, true);
USB_Host_SetDeviceConfiguration(0);
return;
}
*/
return;
}
/** Task to print device information through the serial port, and open/close a test PIMA session with the
* attached Still Image device.
*/
void Camera_Task(void)
{
if (USB_HostState != HOST_STATE_Configured)
return;
uint8_t ErrorCode;
/* Indicate device busy via the status LEDs */
// LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
puts_P(PSTR("Retrieving Device Info...\r\n"));
_delay_ms(50);
Camera_GetModel();
puts_P(PSTR("Opening Session...\r\n"));
_delay_ms(50);
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)
{
puts_P(PSTR("Error 4\r\n"));
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))
{
puts_P(PSTR("Error 5\r\n"));
ShowCommandError(PIMA_ReceivedBlock.Code, true);
USB_Host_SetDeviceConfiguration(0);
return;
}
*/
// Camera_SetParam(EOS_DPC_ISO, EOS_DVC_ISO_1250);
Camera_Capture();
Camera_Close();
}
void Camera_Close(void)
{
puts_P(PSTR("Closing Session...\r\n"));
_delay_ms(50);
uint8_t ErrorCode;
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)
{
puts_P(PSTR("Error 6\r\n"));
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))
{
puts_P(PSTR("Error 7\r\n"));
ShowCommandError(PIMA_ReceivedBlock.Code, true);
USB_Host_SetDeviceConfiguration(0);
return;
}
*/
puts_P(PSTR("Done.\r\n"));
_delay_ms(50);
/* Indicate device no longer busy */
// LEDs_SetAllLEDs(LEDMASK_USB_READY);
USB_Host_SetDeviceConfiguration(0);
return;
}
/** 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[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)
{
/* Get the number of characters in the string, skip to the start of the string data */
uint8_t CharactersRemaining = *(UnicodeString++);
/* Loop through the entire unicode string */
while (CharactersRemaining--)
{
/* 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 */
UnicodeString += 2;
}
/* Null terminate the string */
*Buffer = 0;
}
/** Displays a PIMA command error via the device's serial port.
*
* \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)
{
const char* FailureType = ((ResponseCodeError) ? PSTR("Response Code != OK") : PSTR("Transaction Fail"));
printf_P(PSTR( "Command Error (%S).\r\n"
" -- Error Code %d\r\n" ), FailureType, ErrorCode);
_delay_ms(50);
/* Indicate error via status LEDs */
// LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
}
/** Task to set the configuration of the attached device after it has been enumerated, and to read and process
* HID reports from the device and display the results onto the board LEDs.
*/
void Mouse_HID_Task(void)
{
uint8_t ErrorCode;
/* Switch to determine what user-application handled host state the host state machine is in */
switch (USB_HostState)
{
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 status */
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 status */
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
/* Wait until USB device disconnected */
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
/* HID class request to set the mouse protocol to the Boot Protocol */
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = HID_REQ_SetProtocol,
.wValue = 0,
.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 ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Control Error (Set Protocol).\r\n"
" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
/* Indicate error status */
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
/* Wait until USB device disconnected */
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
puts_P(PSTR("Mouse Enumerated.\r\n"));
USB_HostState = HOST_STATE_Configured;
break;
case HOST_STATE_Configured:
/* If a report has been received, read and process it */
ReadNextReport();
break;
}
}
/** 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_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"), 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;
}
/* Some printers use alternate settings to determine the communication protocol used - if so, send a SetInterface
* request to switch to the interface alternate setting with the Bidirectional protocol */
if (PrinterAltSetting)
{
if ((ErrorCode = USB_Host_SetInterfaceAltSetting(PrinterInterfaceNumber, PrinterAltSetting)) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Control Error (Set Interface).\r\n"
" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_Host_SetDeviceConfiguration(0);
return;
}
}
puts_P(PSTR("Retrieving Device ID...\r\n"));
char DeviceIDString[300];
if ((ErrorCode = Printer_GetDeviceID(DeviceIDString, sizeof(DeviceIDString))) != HOST_SENDCONTROL_Successful)
{
printf_P(PSTR(ESC_FG_RED "Control Error (Get Device ID).\r\n"
" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_Host_SetDeviceConfiguration(0);
return;
}
printf_P(PSTR("Printer Device ID: %s\r\n"), DeviceIDString);
puts_P(PSTR("Printer Enumerated.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
void DiskHost_USBTask(void)
{
if (USB_HostState == HOST_STATE_Addressed)
{
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
uint16_t ConfigDescriptorSize;
uint8_t ConfigDescriptorData[512];
if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
return;
}
if (MS_Host_ConfigurePipes(&DiskHost_MS_Interface,
ConfigDescriptorSize, ConfigDescriptorData) != MS_ENUMERROR_NoError)
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
return;
}
if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
return;
}
uint8_t MaxLUNIndex;
if (MS_Host_GetMaxLUN(&DiskHost_MS_Interface, &MaxLUNIndex))
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
return;
}
if (MS_Host_ResetMSInterface(&DiskHost_MS_Interface))
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
return;
}
USB_HostState = HOST_STATE_Configured;
/* Note: For the RequestSense call to work, the host state machine must be in the
* Configured state, or the call will be aborted */
SCSI_Request_Sense_Response_t SenseData;
if (MS_Host_RequestSense(&DiskHost_MS_Interface, 0, &SenseData) != 0)
{
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
return;
}
pf_mount(&DiskFATState);
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
MS_Host_USBTask(&DiskHost_MS_Interface);
}
/** Writes a report to the attached device.
*
* \param[in] ReportOUTData Buffer containing the report to send to the device
* \param[in] ReportIndex Index of the report in the device (zero if the device does not use multiple reports)
* \param[in] ReportType Type of report to send, either REPORT_TYPE_OUT or REPORT_TYPE_FEATURE
* \param[in] ReportLength Length of the report to send
*/
void WriteNextReport(uint8_t* ReportOUTData,
const uint8_t ReportIndex,
const uint8_t ReportType,
uint16_t ReportLength)
{
/* Select the HID data OUT pipe */
Pipe_SelectPipe(HID_DATA_OUT_PIPE);
/* Not all HID devices have an OUT endpoint (some require OUT reports to be sent over the
* control endpoint instead) - check to see if the OUT endpoint has been initialized */
if (Pipe_IsConfigured() && (ReportType == REPORT_TYPE_OUT))
{
Pipe_Unfreeze();
/* Ensure pipe is ready to be written to before continuing */
if (!(Pipe_IsOUTReady()))
{
/* Refreeze the data OUT pipe */
Pipe_Freeze();
return;
}
/* If the report index is used, send it before the report data */
if (ReportIndex)
Pipe_Write_Byte(ReportIndex);
/* Write out HID report data */
Pipe_Write_Stream_LE(ReportOUTData, ReportLength);
/* Clear the OUT endpoint, send last data packet */
Pipe_ClearOUT();
/* Refreeze the data OUT pipe */
Pipe_Freeze();
}
else
{
/* Class specific request to send a HID report to the device */
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = REQ_SetReport,
.wValue = ((ReportType << 8) | ReportIndex),
.wIndex = 0,
.wLength = ReportLength,
};
/* Select the control pipe for the request transfer */
Pipe_SelectPipe(PIPE_CONTROLPIPE);
/* Send the request to the device */
USB_Host_SendControlRequest(ReportOUTData);
}
}
/** Task to set the configuration of the attached device after it has been enumerated, and to read and process
* HID reports from the device and to send reports if desired.
*/
void HID_Host_Task(void)
{
uint8_t ErrorCode;
/* Switch to determine what user-application handled host state the host state machine is in */
switch (USB_HostState)
{
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 status */
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 status */
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
/* Wait until USB device disconnected */
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
puts_P(PSTR("HID Device Enumerated.\r\n"));
USB_HostState = HOST_STATE_Configured;
break;
case HOST_STATE_Configured:
ReadNextReport();
break;
}
}
/** Main program entry point. This routine configures the hardware required by the application, then
* 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);
sei();
for (;;)
{
switch (USB_HostState)
{
case HOST_STATE_Addressed:
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
uint16_t ConfigDescriptorSize;
uint8_t ConfigDescriptorData[512];
if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
{
puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
if (SImage_Host_ConfigurePipes(&DigitalCamera_SI_Interface,
ConfigDescriptorSize, ConfigDescriptorData) != SI_ENUMERROR_NoError)
{
puts_P(PSTR("Attached Device Not a Valid Still Image Class Device.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
{
puts_P(PSTR("Error Setting Device Configuration.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
puts_P(PSTR("Still Image Device Enumerated.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_READY);
USB_HostState = HOST_STATE_Configured;
break;
case HOST_STATE_Configured:
puts_P(PSTR("Opening Session...\r\n"));
if (SImage_Host_OpenSession(&DigitalCamera_SI_Interface) != PIPE_RWSTREAM_NoError)
{
puts_P(PSTR("Could not open PIMA session.\r\n"));
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
puts_P(PSTR("Turning off Device...\r\n"));
SImage_Host_SendCommand(&DigitalCamera_SI_Interface, 0x1013, 0, NULL);
if (SImage_Host_ReceiveResponse(&DigitalCamera_SI_Interface))
{
puts_P(PSTR("Could not turn off device.\r\n"));
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
puts_P(PSTR("Device Off.\r\n"));
puts_P(PSTR("Closing Session...\r\n"));
if (SImage_Host_CloseSession(&DigitalCamera_SI_Interface) != PIPE_RWSTREAM_NoError)
{
puts_P(PSTR("Could not close PIMA session.\r\n"));
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
LEDs_SetAllLEDs(LEDMASK_USB_READY);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
SImage_Host_USBTask(&DigitalCamera_SI_Interface);
USB_USBTask();
}
}
/** Main program entry point. This routine configures the hardware required by the application, then
* enters a loop to run the application tasks in sequence.
*/
int main(void)
{
SetupHardware();
puts_P(PSTR(ESC_FG_CYAN "CDC Host Demo running.\r\n" ESC_FG_WHITE));
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
sei();
for (;;)
{
switch (USB_HostState)
{
case HOST_STATE_Addressed:
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
uint16_t ConfigDescriptorSize;
uint8_t ConfigDescriptorData[512];
if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
{
puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
if (CDC_Host_ConfigurePipes(&VirtualSerial_CDC_Interface,
ConfigDescriptorSize, ConfigDescriptorData) != CDC_ENUMERROR_NoError)
{
puts_P(PSTR("Attached Device Not a Valid CDC Class Device.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
{
puts_P(PSTR("Error Setting Device Configuration.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
puts_P(PSTR("CDC Device Enumerated.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_READY);
USB_HostState = HOST_STATE_Configured;
break;
case HOST_STATE_Configured:
if (CDC_Host_BytesReceived(&VirtualSerial_CDC_Interface))
{
/* Echo received bytes from the attached device through the USART */
int16_t ReceivedByte = CDC_Host_ReceiveByte(&VirtualSerial_CDC_Interface);
if (!(ReceivedByte < 0))
putchar(ReceivedByte);
}
break;
}
CDC_Host_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
}
}
/** Main program entry point. This routine configures the hardware required by the application, then
* enters a loop to run the application tasks in sequence.
*/
int main(void)
{
SetupHardware();
puts_P(PSTR(ESC_FG_CYAN "Mouse Host Demo running.\r\n" ESC_FG_WHITE));
sei();
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
for (;;)
{
switch (USB_HostState)
{
case HOST_STATE_Addressed:
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
uint16_t ConfigDescriptorSize;
uint8_t ConfigDescriptorData[512];
if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
{
puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
if (HID_Host_ConfigurePipes(&Mouse_HID_Interface,
ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError)
{
puts_P(PSTR("Attached Device Not a Valid Mouse.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
{
puts_P(PSTR("Error Setting Device Configuration.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
if (HID_Host_SetReportProtocol(&Mouse_HID_Interface) != 0)
{
puts_P(PSTR("Error Setting Report Protocol Mode or Not a Valid Mouse.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
break;
}
puts_P(PSTR("Mouse Enumerated.\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_READY);
USB_HostState = HOST_STATE_Configured;
break;
case HOST_STATE_Configured:
if (HID_Host_IsReportReceived(&Mouse_HID_Interface))
{
uint8_t MouseReport[Mouse_HID_Interface.State.LargestReportSize];
HID_Host_ReceiveReport(&Mouse_HID_Interface, &MouseReport);
uint8_t LEDMask = LEDS_NO_LEDS;
for (uint8_t ReportNumber = 0; ReportNumber < HIDReportInfo.TotalReportItems; ReportNumber++)
{
HID_ReportItem_t* ReportItem = &HIDReportInfo.ReportItems[ReportNumber];
/* Update the report item value if it is contained within the current report */
if (!(USB_GetHIDReportItemInfo(MouseReport, ReportItem)))
continue;
/* Determine what report item is being tested, process updated value as needed */
if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_BUTTON) &&
(ReportItem->ItemType == HID_REPORT_ITEM_In))
{
if (ReportItem->Value)
LEDMask = LEDS_ALL_LEDS;
}
else if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_GENERIC_DCTRL) &&
(ReportItem->Attributes.Usage.Usage == USAGE_SCROLL_WHEEL) &&
(ReportItem->ItemType == HID_REPORT_ITEM_In))
{
int16_t WheelDelta = HID_ALIGN_DATA(ReportItem, int16_t);
if (WheelDelta)
LEDMask = (LEDS_LED1 | LEDS_LED2 | ((WheelDelta > 0) ? LEDS_LED3 : LEDS_LED4));
}
else if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_GENERIC_DCTRL) &&
((ReportItem->Attributes.Usage.Usage == USAGE_X) ||
(ReportItem->Attributes.Usage.Usage == USAGE_Y)) &&
(ReportItem->ItemType == HID_REPORT_ITEM_In))
{
int16_t DeltaMovement = HID_ALIGN_DATA(ReportItem, int16_t);
if (DeltaMovement)
{
if (ReportItem->Attributes.Usage.Usage == USAGE_X)
LEDMask |= ((DeltaMovement > 0) ? LEDS_LED1 : LEDS_LED2);
else
LEDMask |= ((DeltaMovement > 0) ? LEDS_LED3 : LEDS_LED4);
}
}
}
LEDs_SetAllLEDs(LEDMask);
}
break;
}
HID_Host_USBTask(&Mouse_HID_Interface);
USB_USBTask();
}
}
