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nodewox
nodewox
"nodewox"
spi
handle
Function handle
handle
(
portId
:
SpiId
)
:
SpiBus
|
null
获取SPI控制器当前建立的总线。如果控制器还未打开,返回null
Parameters
portId:
SpiId
SPI控制器ID
Returns
SpiBus
|
null
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"nodewox"
gpio
i2c
i2s
spi
uart
"sys"
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Spi
Bus
Spi
Device
Spi
Id
HSPI
VSPI
handle
open
获取SPI控制器当前建立的总线。如果控制器还未打开,返回null