| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #ifndef __MS5840_PRIV_H__ |
| #define __MS5840_PRIV_H__ |
| |
| /* Commands */ |
| #define MS5840_CMD_RESET 0x1E |
| /* Max conversion time: 0.56 ms ; 0.11 mbar RMS resolution */ |
| #define MS5840_CMD_D1_256 MS5840_CMD_PRESS|MS5840_RES_OSR_256 |
| /* Max conversion time: 1.10 ms : 0.062 mbar RMS resolution */ |
| #define MS5840_CMD_D1_512 MS5840_CMD_PRESS|MS5840_RES_OSR_512 |
| /* Max conversion time: 2.17 ms : 0.039 mbar RMS resolution */ |
| #define MS5840_CMD_D1_1024 MS5840_CMD_PRESS|MS5840_RES_OSR_1024 |
| /* Max conversion time: 4.32 ms ; 0.028 mbar RMS resolution */ |
| #define MS5840_CMD_D1_2048 MS5840_CMD_PRESS|MS5840_RES_OSR_2048 |
| /* Max conversion time: 8.61 ms : 0.021 mbar RMS resolution */ |
| #define MS5840_CMD_D1_4096 MS5840_CMD_PRESS|MS5840_RES_OSR_4096 |
| /* Max conversion time: 17.2 ms : 0.016 mbar RMS resolution */ |
| #define MS5840_CMD_D1_8192 MS5840_CMD_PRESS|MS5840_RES_OSR_8192 |
| /* Max conversion time: 0.56 ms : 0.012 °C RMS resolution */ |
| #define MS5840_CMD_D2_256 MS5840_CMD_TEMP|MS5840_RES_OSR_256 |
| /* Max conversion time: 1.10 ms : 0.009 °C RMS resolution */ |
| #define MS5840_CMD_D2_512 MS5840_CMD_TEMP|MS5840_RES_OSR_512 |
| /* Max conversion time: 2.17 ms : 0.006 °C RMS resolution */ |
| #define MS5840_CMD_D2_1024 MS5840_CMD_TEMP|MS5840_RES_OSR_1024 |
| /* Max conversion time: 4.32 ms ; 0.004 °C RMS resolution */ |
| #define MS5840_CMD_D2_2048 MS5840_CMD_TEMP|MS5840_RES_OSR_2048 |
| /* Max conversion time: 8.61 ms : 0.003 °C RMS resolution */ |
| #define MS5840_CMD_D2_4096 MS5840_CMD_TEMP|MS5840_RES_OSR_4096 |
| /* Max conversion time: 17.2 ms : 0.002 °C RMS resolution */ |
| #define MS5840_CMD_D2_8192 MS5840_CMD_TEMP|MS5840_RES_OSR_8192 |
| |
| #define MS5840_CMD_ADC_READ 0x00 |
| #define MS5840_CMD_PRESS 0x40 |
| #define MS5840_CMD_TEMP 0x50 |
| #define MS5840_CMD_PROM_READ 0xA0 |
| |
| /* PROM Address commands */ |
| #define MS5840_CMD_PROM_READ_ADDR0 0xA0 |
| #define MS5840_CMD_PROM_READ_ADDR1 0xA2 |
| #define MS5840_CMD_PROM_READ_ADDR2 0xA4 |
| #define MS5840_CMD_PROM_READ_ADDR3 0xA6 |
| #define MS5840_CMD_PROM_READ_ADDR4 0xA8 |
| #define MS5840_CMD_PROM_READ_ADDR5 0xAA |
| #define MS5840_CMD_PROM_READ_ADDR6 0xAC |
| #define MS5840_CMD_PROM_READ_ADDR7 0xAE |
| |
| /* Conversion time in micro seconds */ |
| #define MS5840_CNV_TIME_OSR_256 560 |
| #define MS5840_CNV_TIME_OSR_512 1100 |
| #define MS5840_CNV_TIME_OSR_1024 2170 |
| #define MS5840_CNV_TIME_OSR_2048 4320 |
| #define MS5840_CNV_TIME_OSR_4096 8610 |
| #define MS5840_CNV_TIME_OSR_8192 17200 |
| |
| /* Coefficient EEPROM indexes for temperature and pressure compensation */ |
| #define MS5840_IDX_CRC 0 |
| #define MS5840_IDX_PRESS_SENS 1 |
| #define MS5840_IDX_PRESS_OFF 2 |
| #define MS5840_IDX_TEMP_COEFF_PRESS_SENS 3 |
| #define MS5840_IDX_TEMP_COEFF_PRESS_OFF 4 |
| #define MS5840_IDX_REF_TEMP 5 |
| #define MS5840_IDX_TEMP_COEFF_TEMP 6 |
| #define MS5840_NUMBER_COEFFS 7 |
| |
| #define MS5840_CNV_OSR_MASK 0x0F |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * Write multiple length data to MS5840 sensor over I2C |
| * |
| * @param The sensor interface |
| * @param register address |
| * @param variable length payload |
| * @param length of the payload to write |
| */ |
| int ms5840_writelen(struct sensor_itf *itf, uint8_t addr, uint8_t *payload, uint8_t len); |
| |
| /** |
| * Read multiple length data from MS5840 sensor over I2C |
| * |
| * @param The sensor interface |
| * @param register address |
| * @param variable length payload |
| * @param length of the payload to read |
| */ |
| int ms5840_readlen(struct sensor_itf *itf, uint8_t addr, uint8_t *payload, uint8_t len); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __MS5840_PRIV_H_ */ |
