Featured product - USB-I2C/SPI/GPIO Adapter U2C-12
| Accessories |
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| I2C Cable for U2C-12 with Clips and Crocodile |
| Documentation |
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USB-I2C/SPI/GPIO API 0.2.0 |
USB-I2C/SPI/GPIO API 0.2.0 |
Online API Documentation |
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Schematics |
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FAQ |
| Related products |
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| USB-IO Interface Adapter - GPIO-24 |
U2C-12 USB-I2C/SPI/GPIO Interface Adapter Users Manual
3.7. SPI bus configuration routines
U2C_RESULT U2C_SpiSetConfig( HANDLE hDevice, BYTE CPOL, BYTE CPHA );
The U2C_SpiSetConfig() function configures SPI bus clock polarity and phase.
Parameters:
- hDevice
Handle to the U2C-12 device.
- CPOL
Clock polarity value determines the CLK line idle state, where:
- 0 corresponds to "idle low"
- 1 corresponds to "idle high"
- CPHA
Clock phase value determines the clock edge when the data is valid on the bus, where:
- 0 corresponds to valid data available on leading edge
- 1 corresponds to valid data available on trailing edge
Return values:
U2C_SUCCESS
The SPI bus was successfully configured.
U2C_HARDWARE_NOT_FOUND
U2C-12 device referenced by hDevice handle was not found.
