SENSIRION SCD30 二氧化碳传感器 I2C 通信参数及相关命令

SENSIRION SCD30 二氧化碳传感器

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I2C 地址: 0x61

I2C 通信速率: 100KHz

特别注意: SCD30 要求与其通信的 I2C Master 主机，必须支持 clock stretching 时钟延展 (12mS,150mS)

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SCD30 I2C 命令

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static const uint8_t SCD30_I2C_ADDRESS = 0x61;

#define SCD30_CMD_START_PERIODIC_MEASUREMENT   {0x00,0x10}
#define SCD30_CMD_STOP_PERIODIC_MEASUREMENT    {0x01,0x04}
#define SCD30_CMD_SET_MEASUREMENT_INTERVAL     {0x46,0x00}
#define SCD30_CMD_GET_DATA_READY               {0x02,0x02}
#define SCD30_CMD_READ_MEASUREMENT             {0x03,0x00}
#define SCD30_CMD_AUTO_SELF_CALIBRATION        {0x53,0x06}
#define SCD30_CMD_SET_FORCED_RECALIBRATION     {0x52,0x04}
#define SCD30_CMD_SET_TEMPERATURE_OFFSET       {0x54,0x03}
#define SCD30_CMD_SET_ALTITUDE_COMPENSATION    {0x51,0x02}
#define SCD30_CMD_SOFT_RESET                   {0xD3,0x04}