Commit e57e08c6 authored by Dean Camera's avatar Dean Camera
Browse files

Fixed PrinterHost demo returning invalid Device ID data when the attached...

Fixed PrinterHost demo returning invalid Device ID data when the attached device does not have a device ID (thanks to Andrei Krainev).
parent 409c49f0
......@@ -77,7 +77,7 @@ uint8_t Printer_SendData(void* PrinterCommands, uint16_t CommandSize)
uint8_t Printer_GetDeviceID(char* DeviceIDString, uint16_t BufferSize)
{
uint8_t ErrorCode = HOST_SENDCONTROL_Successful;
uint16_t DeviceIDStringLength;
uint16_t DeviceIDStringLength = 0;
USB_ControlRequest = (USB_Request_Header_t)
{
......@@ -92,6 +92,12 @@ uint8_t Printer_GetDeviceID(char* DeviceIDString, uint16_t BufferSize)
if ((ErrorCode = USB_Host_SendControlRequest(&DeviceIDStringLength)) != HOST_SENDCONTROL_Successful)
return ErrorCode;
if (!(DeviceIDStringLength))
{
DeviceIDString[0] = 0x00;
return HOST_SENDCONTROL_Successful;
}
DeviceIDStringLength = SwapEndian_16(DeviceIDStringLength);
......
......@@ -97,7 +97,7 @@
*/
typedef struct
{
uint8_t ReponseCode;
uint8_t ResponseCode;
uint8_t SegmentNumber;
......
......@@ -9,6 +9,16 @@
* \section Sec_ChangeLogXXXXXX Version XXXXXX
*
* <b>New:</b>
*
* <b>Changed:</b>
*
* <b>Fixed:</b>
* - Fixed PrinterHost demo returning invalid Device ID data when the attached device does not have a
* device ID (thanks to Andrei Krainev)
*
* \section Sec_ChangeLog090924 Version 090924
*
* <b>New:</b>
* - Added new host mode class drivers and matching demos to the library for rapid application development
* - Added flag to the HID report parser to indicate if a device has multiple reports
* - Added new EVENT_USB_Device_StartOfFrame() event, controlled by the new USB_Device_EnableSOFEvents() and
......
......@@ -12,10 +12,10 @@
* or post your suggestion as an enhancement request to the project bug tracker.
*
* <b>Targeted for This Release (SVN Development Only):</b>
* - N/A
* - Add hub support to match Atmel's stack
* - Add ability to get number of bytes not written with pipe/endpoint write routines after an error
*
* <b>Targeted for Future Releases:</b>
* - Add hub support to match Atmel's stack
* - Add standardized descriptor names to device and host class driver structures
* - Remake AVRStudio project files
* - Add detailed overviews of how each demo works
......
......@@ -12,6 +12,8 @@
*
* \section Sec_MigrationXXXXXX Migrating from 090810 to XXXXXX
*
* \section Sec_Migration090924 Migrating from 090810 to 090924
*
* <b>Non-USB Library Components</b>
* - The ADC_Off() function has been renamed to \ref ADC_ShutDown() to be consistent with the rest of the library.
* - The \ref SPI_Init() routine's parameters have changed, so that the clock polarity and data sampling modes can be set. See
......
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