2 * Author: Brendan Le Foll <brendan.le.foll@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
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13 * The above copyright notice and this permission notice shall be
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28 #define MAX_BUFFER_LENGTH 6
33 * @brief C++ API for HMC5883l (3-axis digital compass)
35 * This file defines the HMC5883l C++ interface for libhmc5883l
37 * @snippet hmc5883l.cxx Interesting
44 * Creates a Hmc5883l object
46 * @param bus number of used i2c bus
52 * Returns the direction
62 * Returns a pointer to an int[3] that contains the coordinates as ints
64 * @return *int to an int[3]
69 * Updates the values by reading from i2c
71 * @return 0 for success
76 uint8_t m_rx_tx_buf[MAX_BUFFER_LENGTH];
77 mraa_i2c_context m_i2c;