opration_of_key_pressed.c

串行16个键盘驱动只占有3个IO口,方便快捷

#include "SPCE061V004.H"


int key1_pressed()
{unsigned int m;
m=20;
}

int key2_pressed()
{}

int key3_pressed()
{}

int key4_pressed()
{}

int key5_pressed()
{}

int key6_pressed()
{}

int key7_pressed()
{}

int key8_pressed()
{}

int key9_pressed()
{}

int key10_pressed()
{}

int key11_pressed()
{}

int key12_pressed()
{}

int key13_pressed()
{}

int key14_pressed()
{}

int key15_pressed()
{}

int key16_pressed()
{
}