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usbd_msc_os.h / usbd_msc_os.c

Prototype

Code Block
languagecpp
void  USBD_MSC_OS_CommSignalPend (CPU_INT08U   class_nbr,
                                  CPU_INT32U   timeout,
                                  USBD_ERR    *p_err);


Arguments

class_nbr

MSC instance class number.

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The lock operation typically consists in pending on a semaphore. If the semaphore is free, the task continues normally its execution, otherwise it waits until another task releases the semaphore. p_err argument should be assigned as described in following table.

Anchor
Table - Error code assignment according to pend operation result
Table - Error code assignment according to pend operation result

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titleTable - Error code assignment according to pend operation result


Operation resultError code to assign
No errorUSBD_ERR_NONE
Pend abortedUSBD_ERR_OS_ABORT
Pend failed for any other reasonUSBD_ERR_OS_FAIL