@CHIP-RTOS C Library V2.06 - SPI API
spi_release_sem
Release the SPI semaphore (hardware interface) unsigned int spi_release_sem ( void ); Return Value
- 0 on success else
error code.
Comments
- If multiple tasks use the SPI hardware master interface to access
different slaves through different slave chip select PIO pins,
this call should be used to synchronise the SPI activity on the bus.
The external MMC/SD driver examples uses this call since version V1.02.
RTOS API
- This library function invokes a RTOS software interrupt.
Refer to this RTOS API function's
documentation
for more details.
Supported since or modified in @CHIP-RTOS version-
SC12 | SC13 | SC11 | SC1x3 |
-
n/a | n/a | n/a | V0.91 |
Supported by @CHIP-RTOS C Library since version
This API List
List of C Libraries
@CHIP-RTOS Main Index
End of document
|