u32 PageCurveSet(u8 event)
{
static u8 DrawMask;
static u8 iStk;
static u8 iFocus,Total,iStart;
if(event==PV_INIT)
{
LcdClear(0);
iStk=0;
iFocus=CURVE_NUM;
iStart=0;
Total=CURVE_NUM+CURVE_FUNC;
DrawMask=PD_ALL;
return 1;
}
if(event==PV_USER)
{
LcdClear(0);
DrawMask=PD_ALL;
}
//开始绘图
if(DrawMask)
{
LcdDrawStart(0, 0,LCD_W-1, LCD_H-1, DRAW_NWSE);
//标题绘制
if(DrawMask&PD_TITLE)
{
LcdDrawRect(0, 0,127,13,0);
LcdDrawText(2,0,(char*)PageCurveTitle[iStk]);
if(PageCurveCnt>1) LcdDrawText(96,0,"\1ENT\x2");
LcdDrawHLine(0,LCD_CV_X-2,14,1);
LcdDrawHLine(0,LCD_CV_X-2,15,1);
}
//曲线点列表
if(DrawMask&(PD_LIST|PD_VALUE))
{
u16 i,x,y,idx;
for(i=0,y=18;i<LCD_CURVE_LINES ;i++,y+=7)
{
idx=iStart+i;
LcdBw=(idx==iFocus);
LcdDrawRect(LCD_CV_IX,y,LCD_CV_IX+31,y+7,LcdBw); //绘制选中框
LcdDrawMiniInt(LCD_CV_IX+3,y+1,idx+1,1,0,0xff,0); //绘制曲线序号
LcdDrawMiniNum(LCD_CV_IX+7,y+1,LCD_MN_COL); //绘制分隔点
LcdDrawMiniInt(LCD_CV_IX+30,y+1,PageCurveValue[iStk*CURVE_DS+idx],0,1,0,1); //绘制曲线值
LcdBw=0;
}
//绘制EXP EPA菜单
LcdBw=(iFocus==CURVE_NUM);
LcdDrawRect(3,20,LCD_CV_IX-4,26,LcdBw);
LcdDrawMiniEng(5,21,"EPA\x12");
LcdDrawMiniInt(40,21,PageCurveValue[iStk*CURVE_DS+CURVE_NUM],0,0,1,1); //绘制EPA
LcdBw=(iFocus==CURVE_NUM+1);
LcdDrawRect(3,30,LCD_CV_IX-4,36,LcdBw);
LcdDrawMiniEng(5,31,"EXP\x12");
LcdDrawMiniInt(40,31,PageCurveValue[iStk*CURVE_DS+CURVE_NUM+1],0,0,1,1);//绘制EXP
LcdBw=(iFocus==CURVE_NUM+2);
LcdDrawRect(3,40,LCD_CV_IX-4,46,LcdBw);
LcdDrawMiniEng(5,41,"LEVEL");
LcdBw=(iFocus==CURVE_NUM+3);
LcdDrawRect(3,50,LCD_CV_IX-4,56,LcdBw);
LcdDrawMiniEng(5,51,"RESET");
LcdBw=0;
//绘制曲线
LcdDrawRect(LCD_CV_X,LCD_CV_Y,LCD_CV_X+LCD_CV_W,LCD_CV_Y+LCD_CV_H,1);
LcdDrawRect(LCD_CV_X+1,LCD_CV_Y+1,LCD_CV_X+LCD_CV_W-1,LCD_CV_Y+LCD_CV_H-1,0);
LcdDrawHLine(LCD_CV_X,LCD_CV_X+LCD_CV_W,LCD_CV_Y+LCD_CV_H/2,1);
LcdDrawVLine(LCD_CV_X+LCD_CV_W/2,LCD_CV_Y,LCD_CV_Y+LCD_CV_H,1);
u16 x0,y0;
for(i=0,x0=y0=0;i<CURVE_NUM;i++)
{
x=i*LCD_CV_W/(CURVE_NUM-1);
y=LCD_CV_H-(s32)PageCurveValue[iStk*CURVE_DS+i]*LCD_CV_H/CURVE_TRV;
if(y>LCD_CV_H) y=LCD_CV_H;
LcdDrawLine(LCD_CV_X+x0,LCD_CV_Y+y0,LCD_CV_X+x,LCD_CV_Y+y,1);
if(i==iFocus) LcdDrawVLine(LCD_CV_X+x,LCD_CV_Y,LCD_CV_Y+LCD_CV_H,1);
x0=x;
y0=y;
}
}
//完成绘图
LcdDrawStop();
DrawMask=0;
}
//加减按键处理
s16 v=PageCurveValue[iStk*CURVE_DS+iFocus];
///////////////////////////////////////////////////////////////
if(iFocus<CURVE_NUM)//曲线值
{
if(KeyTstHold(KEY_R))
{
v=(v/10+1)*10;
if(v>CURVE_TRV) v=CURVE_TRV;
DrawMask=PD_LIST;
}
else if(KeyTstDown(KEY_R))
{
if(v<CURVE_TRV) v++;
DrawMask=PD_LIST;
}
if(KeyTstHold(KEY_L))
{
v=(v/10-1)*10;
if(v<0) v=0;
DrawMask=PD_LIST;
}
else if(KeyTstDown(KEY_L))
{
if(v>0) v--;
DrawMask=PD_LIST;
}
}
///////////////////////////////////////////////////////////////
else//EXP EPA等
{
////////////////////////////////////////
if(iFocus==CURVE_NUM+3)//RESET
{
if(KeyTstDown(KEY_R) || KeyTstDown(KEY_L))
{
u32 i;
for(i=0;i<CURVE_NUM;i++) PageCurveValue[iStk*CURVE_DS+i]=i*125;
PageCurveValue[iStk*CURVE_DS+CURVE_NUM ]=100; //epa
PageCurveValue[iStk*CURVE_DS+CURVE_NUM+1]=0; //exp
PageAlert("曲线参数已复位!",500,PV_USER);
}
}
////////////////////////////////////////
if(iFocus==CURVE_NUM+2)//LEVEL
{
s16 delta=0;
if(KeyTstHold(KEY_R)) delta=10;
else if(KeyTstDown(KEY_R)) delta=1;
if(KeyTstHold(KEY_L)) delta=-10;
else if(KeyTstDown(KEY_L)) delta=-1;
if(delta)
{
for(u32 i=0;i<CURVE_NUM;i++)
{
s16 v=PageCurveValue[iStk*CURVE_DS+i];
v+=delta;
if(v>1000) v=1000;
if(v<0) v=0;
PageCurveValue[iStk*CURVE_DS+i]=v;
}
DrawMask=PD_LIST;
}
}
////////////////////////////////////////
if(iFocus==CURVE_NUM+1)//EXP
{
if(KeyTstDown(KEY_R)) if(v<50) v++;
if(KeyTstDown(KEY_L)) if(v>0) v--;
if(PageCurveValue[iStk*CURVE_DS+CURVE_NUM+1]!=v)
{
CurveMake(&PageCurveValue[iStk*CURVE_DS],PageCurveValue[iStk*CURVE_DS+CURVE_NUM],v);
DrawMask=PD_LIST;
}
}
////////////////////////////////////////
if(iFocus==CURVE_NUM)//EPA
{
if(KeyTstDown(KEY_R)) if(v<100) v++;
if(KeyTstDown(KEY_L)) if(v>-100) v--;
if(PageCurveValue[iStk*CURVE_DS+CURVE_NUM]!=v)
{
CurveMake(&PageCurveValue[iStk*CURVE_DS],v,PageCurveValue[iStk*CURVE_DS+CURVE_NUM+1]);
DrawMask=PD_LIST;
}
}
}
PageCurveValue[iStk*CURVE_DS+iFocus]=v;
///////////////////////////////////////////////////////////////
//上下按键处理
if(KeyTstDown(KEY_UP))
{
if(iFocus>0) iFocus--;
else iFocus=Total-1;
DrawMask=PD_LIST|PD_IDX;
}
if(KeyTstDown(KEY_DW))
{
if(iFocus<Total-1) iFocus++;
else iFocus=0;
DrawMask=PD_LIST|PD_IDX;
}
if(iFocus>=Total) iFocus=Total-1;
if(iFocus>=CURVE_NUM) iStart=0;
else if(iFocus<iStart) iStart=iFocus;
else if(iFocus>iStart+LCD_CURVE_LINES-1) iStart=iFocus-LCD_CURVE_LINES+1;
///////////////////////////////////////////////////////////////
//回车键切换曲线
if(KeyTstDown(KEY_ENT) )
{
iStk++;
if(iStk>=PageCurveCnt) iStk=0;
DrawMask|=PD_ALL;
}
///////////////////////////////////////////////////////////////
//返回键处理
if(KeyTstDown(KEY_EXT) )
{
PageReturn(PV_REDRAW);
}
KeyClearDown(KEY_MENUALL);
return 0;
}
/********************************************************************
函数功能：在LCD上显示频谱。
入口参数：无。
返 回：无。
备 注：无。
********************************************************************/
void ShowSpectrum(void)
{
int i,x,y,j,p;
//对输入信号进行缩小
for(i=0;i<LENGTH;i++)
{
AudioOutBuf[i]/=32;
}
FftInput(AudioOutBuf); //位倒序
FftExe(AudioOutBuf,Re,Im); //做FFT运算
LcdCls(); //清屏
//显示X、Y轴坐标
LcdSetPoint(0,35);
LcdPrints("0V");
LcdDrawLine(13,39,15,39);
LcdSetPoint(0,23);
LcdPrints("1V");
LcdDrawLine(13,27,15,27);
LcdSetPoint(0,11);
LcdPrints("2V");
LcdDrawLine(13,15,15,15);
LcdSetPoint(0,0);
LcdPrints("3V");
LcdDrawLine(13,3,15,3);
LcdSetPoint(14,40);
LcdPrints("0");
LcdSetPoint(13+26,40);
LcdPrints("3K");
LcdSetPoint(84-20,40);
LcdPrints("16K");
//直流分量直接显示
x=17;
y=MAX_HEIGHT-(Re[0]*MAX_HEIGHT/LENGTH)/1024;
LcdDrawLine(x,y,x,MAX_HEIGHT);
ProcPeak(0,y); //处理峰值
//每1点显示
for(i=1;i<14;i++)
{
x++;
y=sqrt(Re[i]*Re[i]+Im[i]*Im[i]); //计算模值
y/=10;
y=Compress(y); //压缩
y=MAX_HEIGHT-y; //换算为屏幕y轴位置
ProcPeak(i,y); //处理峰值
LcdDrawLine(x,y,x,MAX_HEIGHT); //画线
}
//每2点显示
p=14;
for(i=14;i<24;i++)
{
x++;
y=0;
for(j=0;j<2;j++)
{
y+=sqrt(Re[p]*Re[p]+Im[p]*Im[p]); //计算模值
p++;
}
y/=20; //取平均值
y=Compress(y); //压缩
y=MAX_HEIGHT-y; //换算为屏幕y轴位置
ProcPeak(i,y); //处理峰值
LcdDrawLine(x,y,x,MAX_HEIGHT); //画线
}
//每3点显示
for(i=24;i<34;i++)
{
x++;
y=0;
for(j=0;j<3;j++)
{
y+=sqrt(Re[p]*Re[p]+Im[p]*Im[p]); //计算模值
p++;
}
y/=30; //取平均值
y=Compress(y); //压缩
y=MAX_HEIGHT-y; //换算为屏幕y轴位置
ProcPeak(i,y); //处理峰值
LcdDrawLine(x,y,x,MAX_HEIGHT); //画线
}
//每4点显示
for(i=34;i<44;i++)
{
x++;
y=0;
for(j=0;j<4;j++)
{
y+=sqrt(Re[p]*Re[p]+Im[p]*Im[p]); //计算模值
p++;
}
y/=40; //取平均值
y=Compress(y); //压缩
y=MAX_HEIGHT-y; //换算为屏幕y轴位置
ProcPeak(i,y); //处理峰值
LcdDrawLine(x,y,x,MAX_HEIGHT); //画线
}
//每6点显示
for(i=44;i<54;i++)
{
x++;
y=0;
for(j=0;j<6;j++)
{
y+=sqrt(Re[p]*Re[p]+Im[p]*Im[p]); //计算模值
p++;
}
y/=60; //取平均值
y=Compress(y); //压缩
y=MAX_HEIGHT-y; //换算为屏幕y轴位置
ProcPeak(i,y); //处理峰值
LcdDrawLine(x,y,x,MAX_HEIGHT); //画线
}
//每9点显示
for(i=54;i<64;i++)
{
x++;
y=0;
for(j=0;j<9;j++)
{
y+=sqrt(Re[p]*Re[p]+Im[p]*Im[p]); //计算模值
p++;
}
y/=90; //取平均值
y=Compress(y); //压缩
y=MAX_HEIGHT-y; //换算为屏幕y轴位置
ProcPeak(i,y); //处理峰值
LcdDrawLine(x,y,x,MAX_HEIGHT); //画线
}
for(i=0;i<64;i++)
{
LcdDrawPoint(i+17,Peak[i]);
}
LcdRefresh(); //刷新
}
