ctnd/platform/device/env/cd1f3300/cd1f3300_comm.c

#include "plt.h"

int cd1f3300_comm_init(int idx)
{
    struct cd1f3300_t *dev = &cd1f3300[idx];
    struct comm_t *comm = &dev->comm;

    comm_set_state(comm, COMMST_ERR);
}

int cd1f3300_comm_reset(int idx)
{
    struct cd1f3300_t *dev = &cd1f3300[idx];
    struct comm_t *comm = &dev->comm;

    comm_set_state(comm, COMMST_NORMAL);
}

void cd1f3300_comm_dac(int idx)
{
    unsigned short tab_us[256] = {0};
    struct cd1f3300_t *dev = &cd1f3300[idx];
    struct comm_t *comm = &dev->comm;
    int chanidx = comm->chanidx;
    int addr = comm->adr;
    int start, nb, rc, i;
    int ret = 0;

    if (comm_get_state(comm) != COMMST_NORMAL)
    {
        return;
    }
    comm_start_cal_dac_timing(comm);

    nb = 2;
    start = 0x0001;
    chan_lock(comm->chanidx);
    ret = chan_read_holdingregisters_with_retry(chanidx, addr, start, nb, tab_us);
    if (ret < 0)
    {
        chan_unlock(comm->chanidx);
        comm_set_state(comm, COMMST_ERR);
        return;
    }
    else
    { /* read ok */
        chan_unlock(comm->chanidx);
        dev->state = tab_us[0x0001 - start];
        dev->co_density = tab_us[0x0002 - start];
        if (dev->state == 0x00)
        {
            sprintf(dev->state_str, "%s", "no alarm");
        }
        else if (dev->state == 0xFF)
        {
            sprintf(dev->state_str, "%s", "CO density alarm");
        }
        else if (dev->state == 0XFE)
        {
            sprintf(dev->state_str, "%s", "sensor fault");
        }
        else if (dev->state == 0XFD)
        {
            sprintf(dev->state_str, "%s", "sensor preheating");
        }
        else
        {
            sprintf(dev->state_str, "%s", "unkown");
        }
    }

    // nb = 1;
    // start = 0x0010;
    // chan_lock(comm->chanidx);
    // ret = chan_read_holdingregisters_with_retry(chanidx, addr, start, nb, tab_us);
    // if (ret < 0)
    // {
    //     chan_unlock(comm->chanidx);
    //     comm_set_state(comm, COMMST_ERR);
    //     return;
    // }
    // else
    // { /* read ok */
    //     chan_unlock(comm->chanidx);
    //     dev->threshold = tab_us[0x0010 - start];
    // }

    comm_stop_cal_dac_timing(comm);
}