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This function is called by a device driver to enable the SPI chip select of the wireless device.

Files

net_bsp.c

Prototype

Note that since NetDev_WiFi_SPI_ChipSelEn() is accessed only by function pointer via a BSP interface structure, it doesn’t need to be globally available and should therefore be declared as ‘static’.

Arguments

p_if

Pointer to specific interface to enable the chip select.

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This is not an exclusive list of return errors and specific network device’s or device BSP functions may return any other specific errors as required.

Returned Value

None.

Required Configuration

None.

Notes / Warnings

• 1 NetDev_WiFi_SPI_ChipSelEn() should be called only after the SPI lock has been acquired by calling NetDev_WiFi_SPI_Lock().
• 2 Since each network device requires a unique NetDev_WiFi_SPI_ChipSelEn(), it is recommended that each device’s NetDev_WiFi_SPI_ChipSelEn() function be named using the following convention:

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