JHCTech KMDA-3820, Руководство пользователя

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User’s Manual
77
/*==========================================================================
1
* void MB_gpio_output(WORD port,BYTE value);
2 * function description
：
high and low levels output of the motherboard
3 * parameter description:
Parameter: port fill in motherboard GPIO number which is designed by factory
Value 8 bit of a Byte, each bit controls a GPIO pin output value,
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
Value Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
GPIO pin PIN8 PIN7 PIN6 PIN5 PIN4 PIN3 PIN2 PIN1