JHCTech SIGM-3250 Series, User Manual, Page: 69 / 71

User’s Manual
64
Bit =1, means output high level
Bit =0, means output low level
Note:
4 *
creation date
：
5*========================================================================*/
/*==========================================================================
1 * void MB_gpio_init();
2 * function description: initialization function of the motherboard gpio, This function must be called
once before using it
3 * parameter description
：
4 * creation date
：
5*======================================================================*/
/*==========================================================================
1 * void watchdog_set(int time);
2 * function description
：
Watchdog function
3 * parameter description
：
time is to Set the dog feeding time
，
Value between 0 and 255
Setting 0 means to turn off the watchdog
4 * creation date
：
5*=======================================================================*/
/*==========================================================================
1 * voidSecond_gpio_mode(int port,int mode);
2 *function description:Subcard input and output mode settings
3 *parameter description:
Parameter:port fill in subcard GPIO number, 1or 2
Mode 8 bit of a bit, each bit controls the input and output mode of a GPIO pin,
Bit=1,the corresponding pin is used as the input port.
Bit =0, the corresponding pin is used as an output port.
Value Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
GPIO pin PIN8 PIN7 PIN6 PIN5 PIN4 PIN3 PIN2 PIN1
Mode Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0