31 lines
747 B
C
31 lines
747 B
C
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#pragma once
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#include <zephyr/drivers/i2c.h>
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#include <zephyr/drivers/gpio.h>
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#define SCD30_READ_DELAY K_MSEC(3)
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#define SCD30_CMD_START 0x0010
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#define SCD30_CMD_STOP 0x0104
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#define SCD30_CMD_INTERVAL 0x4600
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#define SCD30_CMD_CHECK_DATA_READY 0x0202
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#define SCD30_CMD_READ_MEASUREMENT 0x0300
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#define SCD30_CMD_ASC 0x5306
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#define SCD30_CMD_SET_TEMP_OFFSET 0x5403
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#define SCD30_CMD_SET_ALTITUDE 0x5102
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#define SCD30_CMD_READ_VERSION 0xd100
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#define SCD30_CMD_SOFT_RESET 0xd304
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struct scd30_config {
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struct i2c_dt_spec bus;
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struct gpio_dt_spec rdy_gpio;
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uint8_t asc_enabled;
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uint16_t sampling_interval;
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};
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struct scd30_data {
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float t_sample;
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float rh_sample;
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float co2_sample;
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};
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