linuxfs i2c compatibility with Pigpio and the i2c spec dictates these #333
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i2c interface should use a restart between the write and read operation. --Combined format (see Figure 13). During a change of direction within a transfer, the START condition and the target address are both repeated, but with the R/W bit reversed.-- int i2cReadByteData(unsigned handle, unsigned i2cReg) int i2cReadWordData(unsigned handle, unsigned i2cReg)
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i2c interface should use a restart between the write and read operation. --Combined format (see Figure 13). During a change of direction within a transfer, the START condition and the target address are both repeated, but with the R/W bit reversed.--
int i2cReadByteData(unsigned handle, unsigned i2cReg) int i2cReadWordData(unsigned handle, unsigned i2cReg)