1 /* 2 * Copyright (c) 2019 Thomas Schmid <tom@lfence.de> 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #ifndef __SENSOR_MS5607_H__ 8 #define __SENSOR_MS5607_H__ 9 10 #include <zephyr/types.h> 11 #include <zephyr/device.h> 12 13 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) 14 #include <zephyr/drivers/i2c.h> 15 #endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) */ 16 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) 17 #include <zephyr/drivers/spi.h> 18 #endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) */ 19 20 #define MS5607_CMD_RESET 0x1E 21 #define MS5607_CMD_CONV_P_256 0x40 22 #define MS5607_CMD_CONV_P_512 0x42 23 #define MS5607_CMD_CONV_P_1024 0x44 24 #define MS5607_CMD_CONV_P_2048 0x46 25 #define MS5607_CMD_CONV_P_4096 0x48 26 27 #define MS5607_CMD_CONV_T_256 0x50 28 #define MS5607_CMD_CONV_T_512 0x52 29 #define MS5607_CMD_CONV_T_1024 0x54 30 #define MS5607_CMD_CONV_T_2048 0x56 31 #define MS5607_CMD_CONV_T_4096 0x58 32 33 #define MS5607_CMD_CONV_READ_ADC 0x00 34 35 #define MS5607_CMD_CONV_READ_SENSE_T1 0xA2 36 #define MS5607_CMD_CONV_READ_OFF_T1 0xA4 37 #define MS5607_CMD_CONV_READ_TCS 0xA6 38 #define MS5607_CMD_CONV_READ_TCO 0xA8 39 #define MS5607_CMD_CONV_READ_T_REF 0xAA 40 #define MS5607_CMD_CONV_READ_TEMPSENS 0xAC 41 #define MS5607_CMD_CONV_READ_CRC 0xAE 42 43 #if defined(CONFIG_MS5607_PRES_OVER_256X) 44 #define MS5607_PRES_OVER_DEFAULT 256 45 #elif defined(CONFIG_MS5607_PRES_OVER_512X) 46 #define MS5607_PRES_OVER_DEFAULT 512 47 #elif defined(CONFIG_MS5607_PRES_OVER_1024X) 48 #define MS5607_PRES_OVER_DEFAULT 1024 49 #elif defined(CONFIG_MS5607_PRES_OVER_2048X) 50 #define MS5607_PRES_OVER_DEFAULT 2048 51 #elif defined(CONFIG_MS5607_PRES_OVER_4096X) 52 #define MS5607_PRES_OVER_DEFAULT 4096 53 #else 54 #define MS5607_PRES_OVER_DEFAULT 2048 55 #endif 56 57 #if defined(CONFIG_MS5607_TEMP_OVER_256X) 58 #define MS5607_TEMP_OVER_DEFAULT 256 59 #elif defined(CONFIG_MS5607_TEMP_OVER_512X) 60 #define MS5607_TEMP_OVER_DEFAULT 512 61 #elif defined(CONFIG_MS5607_TEMP_OVER_1024X) 62 #define MS5607_TEMP_OVER_DEFAULT 1024 63 #elif defined(CONFIG_MS5607_TEMP_OVER_2048X) 64 #define MS5607_TEMP_OVER_DEFAULT 2048 65 #elif defined(CONFIG_MS5607_TEMP_OVER_4096X) 66 #define MS5607_TEMP_OVER_DEFAULT 4096 67 #else 68 #define MS5607_TEMP_OVER_DEFAULT 2048 69 #endif 70 71 /* Forward declaration */ 72 struct ms5607_config; 73 74 struct ms5607_transfer_function { 75 int (*bus_check)(const struct ms5607_config *cfg); 76 int (*reset)(const struct ms5607_config *cfg); 77 int (*read_prom)(const struct ms5607_config *cfg, uint8_t cmd, uint16_t *val); 78 int (*start_conversion)(const struct ms5607_config *cfg, uint8_t cmd); 79 int (*read_adc)(const struct ms5607_config *cfg, uint32_t *val); 80 }; 81 82 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) 83 extern const struct ms5607_transfer_function ms5607_i2c_transfer_function; 84 #endif 85 86 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) 87 extern const struct ms5607_transfer_function ms5607_spi_transfer_function; 88 #endif 89 90 struct ms5607_config { 91 const struct ms5607_transfer_function *tf; 92 union { 93 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2c) 94 struct i2c_dt_spec i2c; 95 #endif 96 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) 97 struct spi_dt_spec spi; 98 #endif 99 } bus_cfg; 100 }; 101 102 struct ms5607_data { 103 /* Calibration values */ 104 uint16_t sens_t1; 105 uint16_t off_t1; 106 uint16_t tcs; 107 uint16_t tco; 108 uint16_t t_ref; 109 uint16_t tempsens; 110 111 /* Measured values */ 112 int32_t pressure; 113 int32_t temperature; 114 115 /* conversion commands */ 116 uint8_t pressure_conv_cmd; 117 uint8_t temperature_conv_cmd; 118 119 uint8_t pressure_conv_delay; 120 uint8_t temperature_conv_delay; 121 }; 122 123 #endif /* __SENSOR_MS607_H__*/ 124
