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Function rc_spi_read

Function Documentation

int rc_spi_read(int bus, int slave, uint8_t *data, size_t bytes)

Reads data from a specified slave.

Parameters

  • bus – [in] SPI bus to use

  • slave – [in] slave id

  • data – data poitner

  • bytes – [in] number of bytes to read

Returns

number of bytes read or -1 on failure