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ESP8266 Datasheet(PDF) 41 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

Part # ESP8266
Description  General Purpose Input/Output Interface (GPIO)
PDF  117 Pages
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Manufacturer  ESPRESSIF [ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.]
Direct Link  https://www.espressif.com/
Logo ESPRESSIF - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

ESP8266 Datasheet(HTML) 41 Page - ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

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!
4. SPI Communication User Guide
Function
int SPISlaveRecvData(SpiNum spiNum);
Return value
•
0: Success
•
Others: Failure
4.5.2.8. SPIMasterSendStatus
Description
Master writes data to slave’s status register.
Function
void SPIMasterSendStatus(SpiNum spiNum, uint8_t data);
Return value
Null
4.5.2.9. SPIMasterRecvStatus
Description
Master reads data from slave’s status register.
Function
int SPIMasterRecvStatus(SpiNum spiNum);
Return value
•
0: Success
•
Others: Failure
Parameter
Description
spiNum
[in] choose SPI and HSPI.
Parameter
Description
spiNum
[in] choose SPI and HSPI.
data
[in] data to write into status register.
Parameter
Description
spiNum
[in] choose SPI and HSPI.
! Note:
The status register value of the slave is stored in SPI buffer W0.
Espressif
! /!
33 104
2017.05



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