数据结构设计

struct aic_gpai_ch {
    u8 id;
    u8 available;
    enum aic_gpai_mode mode;
    u32 smp_period;
    u16 latest_data;
    u8 fifo_depth;
    u8 fifo_thd;

    u8 hla_enable; // high-level alarm
    u8 lla_enable; // low-level alarm
    u16 hla_thd;
    u16 hla_rm_thd;
    u16 lla_thd;
    u16 lla_rm_thd;

    aicos_sem_t complete;
};

struct aic_gpai_dev {
    struct rt_adc_device *dev;
    struct aic_gpai_ch *chan;
};