diff options
Diffstat (limited to 'include/driver/mag_bmm150.h')
| -rw-r--r-- | include/driver/mag_bmm150.h | 148 |
1 files changed, 72 insertions, 76 deletions
diff --git a/include/driver/mag_bmm150.h b/include/driver/mag_bmm150.h index 9f517f8097..0325e6c5fc 100644 --- a/include/driver/mag_bmm150.h +++ b/include/driver/mag_bmm150.h @@ -1,4 +1,4 @@ -/* Copyright 2015 The Chromium OS Authors. All rights reserved. +/* Copyright 2015 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ @@ -11,68 +11,68 @@ #include "accelgyro.h" #include "mag_cal.h" -#define BMM150_ADDR0_FLAGS 0x10 -#define BMM150_ADDR1_FLAGS 0x11 -#define BMM150_ADDR2_FLAGS 0x12 -#define BMM150_ADDR3_FLAGS 0x13 - -#define BMM150_CHIP_ID 0x40 -#define BMM150_CHIP_ID_MAJOR 0x32 - -#define BMM150_BASE_DATA 0x42 - -#define BMM150_INT_STATUS 0x4a -#define BMM150_PWR_CTRL 0x4b -#define BMM150_SRST (BIT(7) | BIT(1)) -#define BMM150_PWR_ON BIT(0) - -#define BMM150_OP_CTRL 0x4c -#define BMM150_OP_MODE_OFFSET 1 -#define BMM150_OP_MODE_MASK 3 -#define BMM150_OP_MODE_NORMAL 0x00 -#define BMM150_OP_MODE_FORCED 0x01 -#define BMM150_OP_MODE_SLEEP 0x03 - -#define BMM150_INT_CTRL 0x4d - -#define BMM150_REPXY 0x51 -#define BMM150_LOW_POWER_nXY 3 -#define BMM150_REGULAR_nXY 9 -#define BMM150_ENHANCED_nXY 15 -#define BMM150_HIGH_ACCURACY_nXY 47 -#define BMM150_SPECIAL_nXY 75 -#define BMM150_REPZ 0x52 -#define BMM150_LOW_POWER_nZ 3 -#define BMM150_REGULAR_nZ 15 -#define BMM150_ENHANCED_nZ 27 -#define BMM150_HIGH_ACCURACY_nZ 83 -#define BMM150_SPECIAL_nZ 27 +#define BMM150_ADDR0_FLAGS 0x10 +#define BMM150_ADDR1_FLAGS 0x11 +#define BMM150_ADDR2_FLAGS 0x12 +#define BMM150_ADDR3_FLAGS 0x13 + +#define BMM150_CHIP_ID 0x40 +#define BMM150_CHIP_ID_MAJOR 0x32 + +#define BMM150_BASE_DATA 0x42 + +#define BMM150_INT_STATUS 0x4a +#define BMM150_PWR_CTRL 0x4b +#define BMM150_SRST (BIT(7) | BIT(1)) +#define BMM150_PWR_ON BIT(0) + +#define BMM150_OP_CTRL 0x4c +#define BMM150_OP_MODE_OFFSET 1 +#define BMM150_OP_MODE_MASK 3 +#define BMM150_OP_MODE_NORMAL 0x00 +#define BMM150_OP_MODE_FORCED 0x01 +#define BMM150_OP_MODE_SLEEP 0x03 + +#define BMM150_INT_CTRL 0x4d + +#define BMM150_REPXY 0x51 +#define BMM150_LOW_POWER_nXY 3 +#define BMM150_REGULAR_nXY 9 +#define BMM150_ENHANCED_nXY 15 +#define BMM150_HIGH_ACCURACY_nXY 47 +#define BMM150_SPECIAL_nXY 75 +#define BMM150_REPZ 0x52 +#define BMM150_LOW_POWER_nZ 3 +#define BMM150_REGULAR_nZ 15 +#define BMM150_ENHANCED_nZ 27 +#define BMM150_HIGH_ACCURACY_nZ 83 +#define BMM150_SPECIAL_nZ 27 #define BMM150_REP(_preset, _axis) CONCAT4(BMM150_, _preset, _n, _axis) /* Hidden registers for RHALL calculation */ -#define BMM150_REGA_DIG_X1 0x5d -#define BMM150_REGA_DIG_Y1 0x5e -#define BMM150_REGA_DIG_Z4_LSB 0x62 -#define BMM150_REGA_DIG_Z4_MSB 0x63 -#define BMM150_REGA_DIG_X2 0x64 -#define BMM150_REGA_DIG_Y2 0x65 -#define BMM150_REGA_DIG_Z2_LSB 0x68 -#define BMM150_REGA_DIG_Z2_MSB 0x69 -#define BMM150_REGA_DIG_Z1_LSB 0x6a -#define BMM150_REGA_DIG_Z1_MSB 0x6b +#define BMM150_REGA_DIG_X1 0x5d +#define BMM150_REGA_DIG_Y1 0x5e +#define BMM150_REGA_DIG_Z4_LSB 0x62 +#define BMM150_REGA_DIG_Z4_MSB 0x63 +#define BMM150_REGA_DIG_X2 0x64 +#define BMM150_REGA_DIG_Y2 0x65 +#define BMM150_REGA_DIG_Z2_LSB 0x68 +#define BMM150_REGA_DIG_Z2_MSB 0x69 +#define BMM150_REGA_DIG_Z1_LSB 0x6a +#define BMM150_REGA_DIG_Z1_MSB 0x6b #define BMM150_REGA_DIG_XYZ1_LSB 0x6c #define BMM150_REGA_DIG_XYZ1_MSB 0x6d -#define BMM150_REGA_DIG_Z3_LSB 0x6e -#define BMM150_REGA_DIG_Z3_MSB 0x6f -#define BMM150_REGA_DIG_XY2 0x70 -#define BMM150_REGA_DIG_XY1 0x71 +#define BMM150_REGA_DIG_Z3_LSB 0x6e +#define BMM150_REGA_DIG_Z3_MSB 0x6f +#define BMM150_REGA_DIG_XY2 0x70 +#define BMM150_REGA_DIG_XY1 0x71 /* Overflow */ -#define BMM150_FLIP_OVERFLOW_ADCVAL (-4096) -#define BMM150_HALL_OVERFLOW_ADCVAL (-16384) -#define BMM150_OVERFLOW_OUTPUT (0x8000) +#define BMM150_FLIP_OVERFLOW_ADCVAL (-4096) +#define BMM150_HALL_OVERFLOW_ADCVAL (-16384) +#define BMM150_OVERFLOW_OUTPUT (0x8000) /* Min and Max sampling frequency in mHz */ #define BMM150_MAG_MIN_FREQ 781 @@ -84,8 +84,9 @@ * * To be safe, declare only 75% of the value. */ -#define __BMM150_MAG_MAX_FREQ(_preset) (750000000 / \ - (145 * BMM150_REP(_preset, XY) + 500 * BMM150_REP(_preset, Z) + 980)) +#define __BMM150_MAG_MAX_FREQ(_preset) \ + (750000000 / \ + (145 * BMM150_REP(_preset, XY) + 500 * BMM150_REP(_preset, Z) + 980)) #if (__BMM150_MAG_MAX_FREQ(SPECIAL) > CONFIG_EC_MAX_SENSOR_FREQ_MILLIHZ) #error "EC too slow for magnetometer" @@ -93,34 +94,32 @@ struct bmm150_comp_registers { /* Local copy of the compensation registers. */ - int8_t dig1[2]; - int8_t dig2[2]; + int8_t dig1[2]; + int8_t dig2[2]; - uint16_t dig_z1; - int16_t dig_z2; - int16_t dig_z3; - int16_t dig_z4; + uint16_t dig_z1; + int16_t dig_z2; + int16_t dig_z3; + int16_t dig_z4; - uint8_t dig_xy1; - int8_t dig_xy2; + uint8_t dig_xy1; + int8_t dig_xy2; - uint16_t dig_xyz1; + uint16_t dig_xyz1; }; struct bmm150_private_data { /* lsm6dsm_data union requires cal be first element */ - struct mag_cal_t cal; + struct mag_cal_t cal; struct bmm150_comp_registers comp; }; #ifdef CONFIG_MAG_BMI_BMM150 #include "accelgyro_bmi_common.h" -#define BMM150_COMP_REG(_s) \ - (&BMI_GET_DATA(_s)->compass.comp) +#define BMM150_COMP_REG(_s) (&BMI_GET_DATA(_s)->compass.comp) -#define BMM150_CAL(_s) \ - (&BMI_GET_DATA(_s)->compass.cal) +#define BMM150_CAL(_s) (&BMI_GET_DATA(_s)->compass.cal) /* * Behind a BMI, the BMM150 is in forced mode. Be sure to choose a frequency * compatible with BMI. @@ -137,14 +136,11 @@ struct bmm150_private_data { int bmm150_init(struct motion_sensor_t *s); /* Command to normalize and apply temperature compensation */ -void bmm150_normalize(const struct motion_sensor_t *s, - intv3_t v, +void bmm150_normalize(const struct motion_sensor_t *s, intv3_t v, uint8_t *data); -int bmm150_set_offset(const struct motion_sensor_t *s, - const intv3_t offset); +int bmm150_set_offset(const struct motion_sensor_t *s, const intv3_t offset); -int bmm150_get_offset(const struct motion_sensor_t *s, - intv3_t offset); +int bmm150_get_offset(const struct motion_sensor_t *s, intv3_t offset); #endif /* __CROS_EC_MAG_BMM150_H */ |