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76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/*
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* Copyright (C) 2018 Gunar Schorcht
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup drivers_hmc5883l
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* @brief Register definitions for the Honeywell HMC5883L 3-axis digital compass
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* @author Gunar Schorcht <gunar@schorcht.net>
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* @file
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* @{
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*/
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#ifndef HMC5883L_REGS_H
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#define HMC5883L_REGS_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/** HMC5883L I2C address*/
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#define HMC5883L_I2C_ADDRESS (0x1e)
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/** HMC5883L chip id defined in Identification Registers A..C */
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#define HMC5883L_ID { 0x48, 0x34, 0x33 }
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/** HMC5883L chip id length */
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#define HMC5883L_ID_LEN (3)
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/**
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* @name Register addresses
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* @{
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*/
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#define HMC5883L_REG_CFG_A (0x00)
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#define HMC5883L_REG_CFG_B (0x01)
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#define HMC5883L_REG_MODE (0x02)
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#define HMC5883L_REG_OUT_X_MSB (0x03)
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#define HMC5883L_REG_OUT_X_LSB (0x04)
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#define HMC5883L_REG_OUT_Y_MSB (0x05)
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#define HMC5883L_REG_OUT_Y_LSB (0x06)
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#define HMC5883L_REG_OUT_Z_MSB (0x07)
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#define HMC5883L_REG_OUT_Z_LSB (0x08)
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#define HMC5883L_REG_STATUS (0x09)
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#define HMC5883L_REG_ID_A (0x0a)
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#define HMC5883L_REG_ID_B (0x0b)
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#define HMC5883L_REG_ID_C (0x0c)
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/** @} */
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/**
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* @name Register structure definitions
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* @{
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*/
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#define HMC5883L_REG_CFG_A_MA (0x60) /**< HMC5883L_REG_CFG_A<6:5> */
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#define HMC5883L_REG_CFG_A_DO (0x1c) /**< HMC5883L_REG_CFG_A<4:2> */
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#define HMC5883L_REG_CFG_A_MS (0x03) /**< HMC5883L_REG_CFG_A<1:0> */
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#define HMC5883L_REG_CFG_B_GN (0xe0) /**< HMC5883L_REG_CFG_N<7:5> */
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#define HMC5883L_REG_CFG_B_GN_S (5) /**< HMC5883L_REG_CFG_N<7:5> shift */
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#define HMC5883L_REG_MODE_HS (0x80) /**< HMC5883L_REG_MODE<7> */
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#define HMC5883L_REG_MODE_MD (0x03) /**< HMC5883L_REG_MODE<1:0> */
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#define HMC5883L_REG_STATUS_LOCK (0x02) /**< HMC5883L_REG_STATUS<1> */
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#define HMC5883L_REG_STATUS_RDY (0x01) /**< HMC5883L_REG_STATUS<0> */
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* HMC5883L_REGS_H */
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