參數(shù)資料
型號: 20-101-1138
廠商: Rabbit Semiconductor
文件頁數(shù): 72/124頁
文件大?。?/td> 0K
描述: RCM4300 RABBITCORE
產(chǎn)品培訓模塊: WiFi Authentication
標準包裝: 1
系列: RabbitCore®
模塊/板類型: MPU 核心模塊
適用于相關(guān)產(chǎn)品: RCM4300
其它名稱: 316-1141
RabbitCore RCM4300 User’s Manual
51
sbfWriteFlash
int sbfWriteFlash(unsigned long flashDst, void* Src,
unsigned len);
DESCRIPTION
Writes len bytes (up to 64K) to physical address flashDst from Src.
Keep calling sbfWriteFlash() until it returns zeroa or a negative error code. A
positive return value indicates that the serial flash SPI port is being used by another
device. If you are using C/OS-II and _SPI_USE_UCOS_MUTEX is #defined, you
may call sbfWriteFlash()just once. If more than _SPI_MAXTIME milliseconds
elapse while waiting for the SPI port to become available, one of the following two run-
time errors will occur: ERR_SPI_MUTEX_ERROR (when using C/OS-II) or -ETIME
(if not using C/OS-II).
NOTE: This function call is not power-fail safe. The writeUserBlock() function
call provides a safer way to store critical data using redundant copies.
PARAMETERS
flashDst
the physical address of the flash destination
Src
near pointer to the source dat5a
len
the number of bytes to write
RETURN VALUE
0 if successful.
-1 if an attempt was made to write to the user/ID block or program area.
The return values below apply only if _SPI_USE_UCOS_MUTEX is not #defined:
-EBUSY to indicate a busy writing to the serial flash
positive N to indicate that the SPI port is being used by device n
if more than _SPI_MAXTIME milliseconds elapse while waiting for the SPI port to become
available, one of the following two runtime errors will occur: ERR_SPI_MUTEX_ERROR
(when using C/OS-II) or -ETIME (if not using C/OS-II).
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