傻孩子菜单结构无法进入子菜单，烦请指教。
本帖最后由 lzm2010 于 2018-7-9 22:48 编辑如题，在使用傻孩子菜单架构的时候，如下程序能正常切换上下菜单，但是无法进入子菜单，不知道问题出在哪里？请坛友指点，感谢。
#ifndef _Menu_H_
#define _Menu_H_
#include "T32.h"
#include "T32_board.h"
#include "TFT_Driver.h"
#include "stdio.h"
#define keydownGPIO_ReadInBit(T32_GPIOC,GPIO_PIN_10)
#define keyup GPIO_ReadInBit(T32_GPIOC,GPIO_PIN_9)
#define keyenter GPIO_ReadInBit(T32_GPIOC,GPIO_PIN_11)
#define keyreturn GPIO_ReadInBit(T32_GPIOC,GPIO_PIN_8)
#define LCD1602MaxDisplaYLinE 5 //
#define UP 1 //
#define Down2 //
#define Enter 3
#define Esc 4
static unsigned intfunc_index=0;
void NullSubs(void) //
{ }
struct MenuItem SysTemSet; //
struct MenuItem BaudRatE; //
struct MenuItem EquipmenT; //
//*------------------------------------------------------------------------------
//*
//*------------------------------------------------------------------------------
struct MenuItem //
{ unsigned char MenuCount; //
unsigned char *DisplayString; //
unsigned char (*Subs)(); //
struct MenuItem *ChildrenMenus;//
struct MenuItem *ParentMenus;//
}menu;
struct MenuItem MainMenu = //
{
{4,"1.SysTem Set ",NullSubs,SysTemSet,NULL},
{4,"2.EquipmenT ID",NullSubs,EquipmenT,NULL},
{4,"3.BaudRatE ",NullSubs,BaudRatE, NULL},
{4,"4.System Infor",NullSubs,NULL, NULL},
};
struct MenuItem SysTemSet = //
{
{5,"1.DatASet ",NullSubs,NULL,MainMenu},
{5,"2.TimESet ",NullSubs,NULL,MainMenu},
{5,"3.AlarM Set ",NullSubs,NULL,MainMenu},
{5,"4.BacKLedSet",NullSubs,NULL,MainMenu},
{5,"5.Password Set",NullSubs,NULL, NULL},
};
struct MenuItem BaudRatE = //
{
{7,"1.2400 ",NullSubs,NULL,MainMenu},
{7,"2.4800 ",NullSubs,NULL,MainMenu},
{7,"3.9600 ",NullSubs,NULL,MainMenu},
{7,"4.19200 ",NullSubs,NULL,MainMenu},
{7,"5.38400 ",NullSubs,NULL,MainMenu},
{7,"6.57600 ",NullSubs,NULL,MainMenu},
{7,"7.115200 ",NullSubs,NULL,MainMenu},
};
struct MenuItem EquipmenT = //
{
{4,"1.No.01 ",NullSubs,NULL,MainMenu},
{4,"2.No.02 ",NullSubs,NULL,MainMenu},
{4,"3.NO.03 ",NullSubs,NULL,MainMenu},
{4,"4.No.04 ",NullSubs,NULL,MainMenu},
};
struct MenuItem (*MenuPoint) = MainMenu;
unsigned char DisplayStart= 0; //
unsigned char UserChoose = 0; //
unsigned char DisplayPoint= 0; //
unsigned char MaxItems = 0; //
unsigned char Option = 0; //
unsigned char ShowCount=2;
//*------------------------------------------------------------------------------
//*
//*------------------------------------------------------------------------------
void ShowMenu(void)
{
unsigned char i = 0;
MaxItems = MenuPoint.MenuCount; //
DisplayPoint = DisplayStart;
if (MaxItems > LCD1602MaxDisplaYLinE){ //
for (i = 1;i < LCD1602MaxDisplaYLinE;i++){
display_string_5x8_1(i,8,MenuPoint.DisplayString);
if ((DisplayPoint) == (UserChoose)){
display_string_5x8_1(1,1,">"); //
}
else{
display_string_5x8_1(i,1," "); //
}
DisplayPoint += 1; //
if ((DisplayPoint) >= (MaxItems)){
DisplayPoint = 0;
}
}
}
else{
for (i = 1;i < LCD1602MaxDisplaYLinE;i++){
display_string_5x8_1(i,8,MenuPoint.DisplayString);
if ((DisplayPoint) == (UserChoose)){
display_string_5x8_1(1,1,">"); //
}
else{
display_string_5x8_1(i,1," "); //
}
DisplayPoint += 1; //
if ((DisplayPoint) >= (MaxItems)){
DisplayPoint = 0;
}
}
}
}
//void ShowMenu(void)
//{
// unsigned char n;
// MaxItems = MenuPoint.MenuCount;//
// DisplayPoint = DisplayStart;
// for(n=0;DisplayPoint<MaxItems&&n<ShowCount;n++)
// {
// if(DisplayPoint==UserChoose)
// //LCD_write_string(0,n,"->");
// display_string_5x8_1(1,n,">");
// // LCD_write_string(2,n,MenuPoint.DisplayString);
// display_string_5x8_1(n,8,MenuPoint.DisplayString);
// }
//}
void __Delay(u32 count)
{
volatile u32 i=0,j=0;
for(i=0;i<count;i++)
for(j=0;j<1200;j++)
{
__NOP(); // Prevent delay loop be optimized
}
}
unsigned int KEY_Scan(void)
{
if((keyup==0)||(keydown==0)||(keyenter==0)||(keyreturn==0))
{
__Delay(50);//
if(keyup==0)
{
func_index=1; //
while(!keyup);//
}
if(keydown==0)
{
func_index=2; //
while(!keydown);
}
if(keyenter==0)
{
func_index=3; //
while(!keyenter);
}
if(keyreturn==0)
{
func_index=4; //
while(!keyreturn);
}
}
else
{
func_index=5;
}
return func_index;
}
//*------------------------------------------------------------------------------
//*
//*------------------------------------------------------------------------------
void ChangeMenu(void)
{ unsigned char GetKeyNum;
GetKeyNum = KEY_Scan();
if (GetKeyNum != 5){ //
ShowMenu(); //
switch (GetKeyNum){
case UP:
UserChoose--; //
if (UserChoose == 0){
UserChoose = MaxItems - 1;
}
break;
case Down:
UserChoose++;
if (UserChoose >= MaxItems){
UserChoose = 0;
}
break;
case Enter:
if ((MenuPoint.Subs) != NullSubs){
(*MenuPoint.Subs)();
}
if (MenuPoint.ChildrenMenus != NULL){
MenuPoint = MenuPoint.ChildrenMenus;//
Option = UserChoose;
UserChoose = 0;
DisplayStart = 0;
}
break;
case Esc:
if (MenuPoint.ParentMenus != NULL){
MenuPoint = MenuPoint.ParentMenus; //
UserChoose = Option; //
UserChoose = 0;
DisplayStart = 0;
}
break;
}
//*--------------------------------------------------------------------
//*
if ((UserChoose <= DisplayStart) || (UserChoose >= (DisplayStart + 1 ))){
DisplayStart = UserChoose;
}
//*--------------------------------------------------------------------
// LCD1602CLEARDisplaY();
//clear_screen();
ShowMenu();
//GetKeyNum=0;
}
}
#endif
你单步试过了么？特别是代码215行这里，你在这里切换完菜单以后，立即ShowMenu跟踪下。
另外，推荐你看下我写的新的文章：
https://www.amobbs.com/thread-5688720-1-1.html Gorgon_Meducer 发表于 2018-7-10 21:54
你单步试过了么？特别是代码215行这里，你在这里切换完菜单以后，立即ShowMenu跟踪下。
另外，推荐你看下 ...
感谢回复，刚进去debug了一下，发现是TB山寨杜邦线害死人啊，没想到进入子菜单的杜邦线是断路的，坑爹，换线后程序能正常工作，您的新帖我再琢磨琢磨。{:smile:} lzm2010 发表于 2018-7-10 22:55
感谢回复，刚进去debug了一下，发现是TB山寨杜邦线害死人啊，没想到进入子菜单的杜邦线是断路的，坑爹， ...
哈哈。问题解决就好。建议你早日转换到新结构上。
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