FLR_WBAL_COEF
params->wbal.coef0 = FLR_WBAL_COEF;
params->wbal.coef1 = FLR_WBAL_COEF;
params->wbal.coef2 = FLR_WBAL_COEF;
params->wbal.coef3 = FLR_WBAL_COEF;