| /* |
| * Copyright (c) 2021 Jimmy Johnson <catch22@fastmail.net> |
| * Copyright (c) 2022 T-Mobile USA, Inc. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef ZEPHYR_DRIVERS_SENSOR_TMP108_TMP108_H_ |
| #define ZEPHYR_DRIVERS_SENSOR_TMP108_TMP108_H_ |
| |
| #include <stdint.h> |
| |
| #include <zephyr/drivers/i2c.h> |
| #include <zephyr/drivers/sensor.h> |
| #include <zephyr/drivers/gpio.h> |
| #include <zephyr/drivers/sensor/tmp108.h> |
| |
| #define TI_TMP108_REG_TEMP 0x00 /** Temperature register */ |
| #define TI_TMP108_REG_CONF 0x01 /** Configuration register */ |
| #define TI_TMP108_REG_LOW_LIMIT 0x02 /** Low alert set register */ |
| #define TI_TMP108_REG_HIGH_LIMIT 0x03 /** High alert set register */ |
| |
| #define AMS_AS6212_CONF {.CONF_HYS1 = TI_TMP108_CONF_NA,\ |
| .CONF_HYS0 = TI_TMP108_CONF_NA,\ |
| .CONF_CR0 = 0x0040, \ |
| .CONF_CR1 = 0x0080, \ |
| .CONF_M1 = 0x0000, \ |
| .CONF_TM = 0x0200, \ |
| .CONF_POL = 0x0400, \ |
| .CONF_M0 = 0x8000, \ |
| .CONF_RST = 0x0080, \ |
| .TEMP_MULT = 125000, \ |
| .WAKEUP_TIME_IN_MS = 120 } |
| |
| #define TI_TMP108_CONF {.CONF_HYS0 = 0x0010, \ |
| .CONF_HYS1 = 0x0020, \ |
| .CONF_POL = 0x0080, \ |
| .CONF_M0 = 0x0100, \ |
| .CONF_M1 = 0x0200, \ |
| .CONF_TM = 0x0400, \ |
| .CONF_CR0 = 0x2000, \ |
| .CONF_CR1 = 0x4000, \ |
| .CONF_RST = 0x0022, \ |
| .TEMP_MULT = 62500, \ |
| .WAKEUP_TIME_IN_MS = 30 } |
| |
| #define TI_TMP108_MODE_SHUTDOWN(x) 0 |
| #define TI_TMP108_MODE_ONE_SHOT(x) TI_TMP108_CONF_M0(x) |
| #define TI_TMP108_MODE_CONTINUOUS(x) TI_TMP108_CONF_M1(x) |
| #define TI_TMP108_MODE_MASK(x) ~(TI_TMP108_CONF_M0(x) | TI_TMP108_CONF_M1(x)) |
| |
| #define TI_TMP108_FREQ_4_SECS(x) 0 |
| #define TI_TMP108_FREQ_1_HZ(x) TI_TMP108_GET_CONF(x, CONF_CR0) |
| #define TI_TMP108_FREQ_4_HZ(x) TI_TMP108_GET_CONF(x, CONF_CR1) |
| #define TI_TMP108_FREQ_16_HZ(x) (TI_TMP108_GET_CONF(x, CONF_CR1) | \ |
| TI_TMP108_GET_CONF(x, CONF_CR0)) |
| #define TI_TMP108_FREQ_MASK(x) ~(TI_TMP108_GET_CONF(x, CONF_CR1) | \ |
| TI_TMP108_GET_CONF(x, CONF_CR0)) |
| |
| #define TI_TMP108_CONF_POL_LOW(x) 0 |
| #define TI_TMP108_CONF_POL_HIGH(x) TI_TMP108_GET_CONF(x, CONF_POL) |
| #define TI_TMP108_CONF_POL_MASK(x) ~(TI_TMP108_GET_CONF(x, CONF_POL)) |
| |
| #define TI_TMP108_CONF_TM_CMP(x) 0 |
| #define TI_TMP108_CONF_TM_INT(x) TI_TMP108_GET_CONF(x, CONF_TM) |
| #define TI_TMP108_CONF_TM_MASK(x) ~(TI_TMP108_GET_CONF(x, CONF_TM)) |
| |
| #define TI_TMP108_HYSTER_0_C(x) 0 |
| #define TI_TMP108_HYSTER_1_C(x) TI_TMP108_GET_CONF(x, CONF_HYS0) |
| #define TI_TMP108_HYSTER_2_C(x) TI_TMP108_GET_CONF(x, CONF_HYS1) |
| #define TI_TMP108_HYSTER_4_C(x) (TI_TMP108_GET_CONF(x, CONF_HYS1) | \ |
| TI_TMP108_GET_CONF(x, CONF_HYS0)) |
| #define TI_TMP108_HYSTER_MASK(x) ~(TI_TMP108_GET_CONF(x, CONF_HYS1) | \ |
| TI_TMP108_GET_CONF(x, CONF_HYS0)) |
| |
| #define TI_TMP108_CONF_M1(x) TI_TMP108_GET_CONF(x, CONF_M1) |
| #define TI_TMP108_CONF_M0(x) TI_TMP108_GET_CONF(x, CONF_M0) |
| |
| #define TMP108_TEMP_MULTIPLIER(x) TI_TMP108_GET_CONF(x, TEMP_MULT) |
| #define TMP108_WAKEUP_TIME_IN_MS(x) TI_TMP108_GET_CONF(x, WAKEUP_TIME_IN_MS) |
| #define TMP108_CONF_RST(x) TI_TMP108_GET_CONF(x, CONF_RST) |
| |
| #define TI_TMP108_CONF_NA 0x0000 |
| |
| struct tmp_108_reg_def { |
| uint16_t CONF_M0; /** Mode 1 configuration bit */ |
| uint16_t CONF_M1; /** Mode 2 configuration bit */ |
| uint16_t CONF_CR0; /** Conversion rate 1 configuration bit */ |
| uint16_t CONF_CR1; /** Conversion rate 2 configuration bit */ |
| uint16_t CONF_POL; /** Alert pin Polarity configuration bit */ |
| uint16_t CONF_TM; /** Thermostat mode setting bit */ |
| uint16_t CONF_HYS1; /** Temperature hysteresis config 1 bit */ |
| uint16_t CONF_HYS0; /** Temperature hysteresis config 2 bit */ |
| uint32_t TEMP_MULT; /** Temperature multiplier */ |
| uint16_t WAKEUP_TIME_IN_MS; /** Wake up and conversion time from one shot */ |
| uint16_t CONF_RST; /** default reset values on init */ |
| }; |
| |
| #define TI_TMP108_GET_CONF(x, cfg) ((struct tmp108_config *)(x->config))->reg_def.cfg |
| |
| struct tmp108_config { |
| const struct i2c_dt_spec i2c_spec; |
| const struct gpio_dt_spec alert_gpio; |
| struct tmp_108_reg_def reg_def; |
| }; |
| |
| struct tmp108_data { |
| const struct device *tmp108_dev; |
| |
| uint16_t sample; |
| |
| bool one_shot_mode; |
| |
| struct k_work_delayable scheduled_work; |
| |
| const struct sensor_trigger *temp_alert_trigger; |
| sensor_trigger_handler_t temp_alert_handler; |
| |
| sensor_trigger_handler_t data_ready_handler; |
| const struct sensor_trigger *data_ready_trigger; |
| |
| struct gpio_callback temp_alert_gpio_cb; |
| }; |
| |
| int tmp_108_trigger_set(const struct device *dev, |
| const struct sensor_trigger *trig, |
| sensor_trigger_handler_t handler); |
| |
| int tmp108_reg_read(const struct device *dev, uint8_t reg, uint16_t *val); |
| |
| int ti_tmp108_read_temp(const struct device *dev); |
| void tmp108_trigger_handle_one_shot(struct k_work *work); |
| void tmp108_trigger_handle_alert(const struct device *port, |
| struct gpio_callback *cb, |
| gpio_port_pins_t pins); |
| |
| #endif /* ZEPHYR_DRIVERS_SENSOR_TMP108_TMP108_H_ */ |