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
3.5.1. U2C_ReadScl()
U2C_RESULT U2C_ReadSda( HANDLE hDevice, U2C_LINE_STATE* pState );
The U2C_ReadSda() function checks the current state of the I2C bus SDA line.
Parameters:
- hDevice
Handle to the U2C-12 device.
- pState
Pointer to the location to be filled with the SDA line state:
- LS_RELEASED - SDA line is released (high).
- LS_DROPPED_BY_I2C_BRIDGE - U2C-12 device has pulled down the SDA line.
- LS_DROPPED_BY_SLAVE - I 2 C slave device has pulled down the SDA line.
Return values:
U2C_SUCCESS
The SDA line state was successfully read.
U2C_HARDWARE_NOT_FOUND
U2C-12 device referenced by hDevice handle was not found.
