JHCTech SIGM-3250 Series User Manual page 69

Bit =1, means output high level
Bit =0, means output low level
Note:
Value
4 *
GPIO pin
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
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.
Mode
Bit7 Bit6 Bit5
PIN8 PIN7 PIN6
Setting 0 means to turn off the watchdog
Bit7 Bit6 Bit5
Bit4 Bit3 Bit2
PIN5 PIN4 PIN3
Bit4 Bit3 Bit2
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User's Manual
Bit1 Bit0
PIN2 PIN1
Bit1 Bit0