µC/USB-Host Release Notes

• µC/CPU V1.29.01.01 or more recent.
• µC/LIB V1.37.00 or more recent.
• µC/FS V4.05.03 or more recent (only for MSC class).

New features & improvements

• None.

API Changes

• None.

Bug fixes

• (784) Fixed issue with USBH_IF_Get() returning a pointer beyond the IF_List[] array size.
• (787) Fixed issue where specific USB devices failed to enumerate due to USBH_ERR_EP_STALL. The USB Host stack now tries to reconnect the device.

• µC/CPU V1.29.01.01 or more recent.
• µC/LIB V1.37.00 or more recent.
• µC/FS V4.05.03 or more recent (only for MSC class).

New features & improvements

• (642) Added support for SAMD5x/E5x USB-Host driver.

API Changes

• None.

Bug fixes

• (514) Fixed potential issue of array 'ITDBufPagePtrList' of size 7 , which may use index 7..8 in EHCI_ITDListPrepare().
• (625) Fixed issue of qTD leaking if cache flush is interrupted by an ISR in USBH EHCI driver.
• (651) Fixed for "operands in a bitwise operation have different size" warnings in EHCI_SITDListPrepare(), EHCI_HubDescGet().
• (655) Fixed for "macro parameter with no parentheses" warnings in USBH EHCI driver and USBH OS-II layer.
• (659) Fixed for "A chain of if/else-if statements is not terminated with else or is terminated with an empty else clause" warnings.
• (667) Fixed for "No break or throw statement at the end of switch-clause" warnings.
• (670) Fixed a constant NULL being dereferenced by passing it as argument 2 to function 'USBH_ClassNotify' in USBH_ClassDrvConn().
• (671) Fixed potential issue of NULL pointer being dereferenced by passing it as argument 2 to function 'USBH_ClassProbeIF()' in USBH_ClassDrvConn().
• (678) Fixed unused variable warnings.

• µC/CPU V1.29.01.01 or more recent.
• µC/LIB V1.37.00 or more recent.
• µC/FS V4.05.03 or more recent (only for MSC class).

New features & improvements

• None.

API Changes

• None.

Bug fixes

• (513) Fixed potential null pointer dereference in EHCI_QTDListPrepare()
• (515) Fixed potential use of an uninitialized variable in EHCI_BW_Get()
• (516) Fixed use of an uninitialized variable in EHCI_HubDescGet()
• (569) Fixed build error when OS timers are disabled

• µC/CPU V1.29.01.01 or more recent.
• µC/LIB V1.37.00 or more recent.
• µC/FS V4.05.03 or more recent (only for MSC class).

New features & improvements

• (419) Added support for STM32F4 and F7 High-Speed controller.

API Changes

• None.

Bug fixes

• (517, 518, 520, 521) Fixed issue in USBH_ClassSuspend(), USBH_ClassResume(), USBH_ClassDrvConn(), and USBH_ClassDrvDisconn() where the call to USBH_IF_Get() could return null to 'p_if' and then be dereferenced.
• (519) Fixed issue in USBH_ClassDrvConn() where null pointer 'p_if' was being passed as an argument to USBH_ClassNotify().
• (522) Fixed issue where 'err' might be used uninitialized in USBH_EP_Close().
• (523) Fixed issue in USBH_CfgRd() where the call to USBH_CfgGet() could return null to 'p_cfg' and then be dereferenced.

• µC/CPU V1.29.01.01 or more recent.
• µC/LIB V1.37.00 or more recent.
• µC/FS V4.05.03 or more recent (only for MSC class).

New features & improvements

• None.

API Changes

• None.

Bug fixes

• (77) Fixed a null pointer dereferencing during USB Host suspend and resume.

Requirements

• µC/CPU V1.29.01.01 or more recent.
• µC/LIB V1.37.00 or more recent.
• µC/FS V4.05.03 or more recent (only for MSC class).

New features & improvements

• EHCI Driver - Added possibility to disable periodic transfers to save RAM.

API Changes

• None.

Bug fixes

• MSC Class - Fixed bug related to error handling.
• EHCI Driver - Fixed bug related to data endianness handling.
• OHCI Driver - Fixed bug related to data endianness handling.
• Core module - Several bug fixes.

• µC/CPU V1.29.01.01 or more recent.
• µC/LIB V1.37.00 or more recent.
• µC/FS V4.05.03 or more recent (only for MSC class).

New features & improvements

• MSC Class - Addednewfunction to issue a "Test Unit Ready" request to the MSC device from the application.
• EHCI Driver - Added support for Synopsys' EHCI based controller IP that implements an embedded transaction translator.
• EHCI Driver - Added support for cache memory.
• Renesas_USBHS Driver - Added support forRX71Mplatform.

API Changes

• OS ports (for both µC/OS-II and µC/OS-III) now require the µC/OS includepathto be the root folder.

Bug fixes

• FTDI Class - Fixed issues with locking mechanism in USBH_FTDI_RxAsync() and USBH_FTDI_TxAsync() functions.
• EHCI Driver - Fixed bug inallocationof internal descriptors when using dedicated memory.
• STM32F_FS Driver - Fixed bug in handling of incorrect data toggle error.
• STM32F_FS Driver - Fixed bug in handling of NACK handshake.

• µC/CPU V1.29.01.01 or more recent.
• µC/LIB V1.37.00 or more recent.
• µC/FS V4.05.03 or more recent (only for MSC class).

New features & improvements

• None.

API Changes

• None.

Bug fixes

• Fixed null pointer de-referencementin USBH_DevConn() function

Version 3.41.01

Release Date

2013-09-30

Requirements