hdc3020_exec_cmd
hdc3020_exec_cmd(data, HDC3020_HEATER_DISABLE);
return hdc3020_exec_cmd(data, HDC3020_HEATER_ENABLE);
hdc3020_exec_cmd(data, HDC3020_EXIT_AUTO);
ret = hdc3020_exec_cmd(data, HDC3020_S_STATUS);
ret = hdc3020_exec_cmd(data, HDC3020_S_AUTO_10HZ_MOD0);