ctnd/platform/device/env/rh811ad053f/rh811ad053f_comm.c

#include "plt.h"

int rh811ad053f_comm_init(int idx)
{
    struct rh811ad053f_t *dev = &rh811ad053f[idx];
    struct comm_t *comm = &dev->comm;

    comm_set_state(comm, COMMST_ERR);
}

int rh811ad053f_comm_reset(int idx)
{
    struct rh811ad053f_t *dev = &rh811ad053f[idx];
    struct comm_t *comm = &dev->comm;

    comm_set_state(comm, COMMST_NORMAL);
}

void rh811ad053f_comm_dac(int idx)
{
    unsigned short tab_us[256] = {0};
    struct rh811ad053f_t *dev = &rh811ad053f[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 = 0x0002;
    chan_lock(comm->chanidx);
    if (chan_read_holdingregisters_with_retry(chanidx, addr, start, nb, tab_us) < 0)
    {
        chan_unlock(comm->chanidx);
        comm_set_state(comm, COMMST_ERR);
        return;
    }
    else
    { /* read ok */
        chan_unlock(comm->chanidx);
        dev->humi = tab_us[0x0003 - start] / 10.0;
        dev->temp = *((SHORT *)&tab_us[0x0002 - start]) / 10.0;
        comm_stop_cal_dac_timing(comm);
    }
}