ENVCTRL_PCF8574_DEV6
fspchip.chip_num = ENVCTRL_PCF8574_DEV6; /* 0x01 port 1 */
PCF8574A_BASE_ADDR | ENVCTRL_PCF8574_DEV6, &recv_data, 1);
chip.chip_num = ENVCTRL_PCF8574_DEV6; /* 0x01 port 1 */
fspchip.chip_num = ENVCTRL_PCF8574_DEV6; /* 0x01 port 1 */
fspchip.chip_num = ENVCTRL_PCF8574_DEV6; /* 0x01 port 1 */
chip.chip_num = ENVCTRL_PCF8574_DEV6; /* 0x01 port 1 */