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Function rc_i2c_write_words

Function Documentation

int rc_i2c_write_words(int bus, uint8_t regAddr, size_t count, uint16_t *data)

Writes multiple words (16 bits each) to a specified register address.

This sends the device address and register address followed by the actual data to be written. Works for most i2c devices.

Parameters

  • bus – [in] The bus

  • regAddr – [in] The register address

  • count – [in] Number of 16-bit words to write, NOT number of bytes

  • data – [in] The data

Returns

0 on success or -1 on failure