ENVCTRL_PCF8574_PORT4
if (!(recv_data & ENVCTRL_PCF8574_PORT4)) {
fspchip.val = (fspchip.val & ~(ENVCTRL_PCF8574_PORT4) |
fspchip.val = (fspchip.val | ENVCTRL_PCF8574_PORT4 | 0xC0);
if (!(recv_data & ENVCTRL_PCF8574_PORT4)) {
if (!(recv_data & ENVCTRL_PCF8574_PORT4)) {