Hongyu Bao
qweqwe
Dependencies: Si5351A NeoPixel
Revision 3:05c2c10b6bb3, committed 2021-06-16
- Comitter:
- fezine
- Date:
- Wed Jun 16 17:12:18 2021 +0000
- Parent:
- 2:2c78f22e6081
- Commit message:
- as
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 2c78f22e6081 -r 05c2c10b6bb3 main.cpp
--- a/main.cpp Sun May 30 15:40:19 2021 +0000
+++ b/main.cpp Wed Jun 16 17:12:18 2021 +0000
@@ -2,37 +2,46 @@
#include "neopixel.h"
#include "si5351a.h"
-NeoPixelOut neoPixel(D9);
-DigitalOut reset=D4;
-DigitalOut strobe=D3;
-int NumColumn=3;
-//AnalogIn ColumnAnalog_1=A3;
-//AnalogIn ColumnAnalog_2=A2;
-AnalogIn analog1_7=A0;
-AnalogIn analog8_14=A6;
-float freqData[14];
-Timeout PeakDecrease;
+I2C i2c(D0, D1); //通信Si5351A
+SI5351A clk(i2c, 25000000UL); //基础时钟25MHz
+Pixel Column[20]; //单个数组
+Pixel Column_All[280]; //全局数组
+NeoPixelOut neoPixel(D9); //数据输出
+Timeout PeakDecrease;
-I2C i2c(D0, D1); // communication with Si5351A
-SI5351A clk(i2c, 25000000UL); // Base clock = 25MHz
-
-Pixel Column[20];//全局数组
-Pixel Column_All[280];
-
-int Peak[14]={0};
-
-int ColorBegin=0x00FF00; //初始颜色
-int ColorLadder=0x00000C; //颜色级变化量
-int PeakDecreaseTime_us=1000*80;//peak下降延迟时间
+DigitalOut reset=D4; //重置MSGEQ7
+DigitalOut strobe=D3; //选择MSGEQ7输出
+AnalogIn analog1_7=A0; //数据读取1-7
+AnalogIn analog8_14=A1; //数据读取8-14
+//AnalogIn mod=A2; //选择模式输入
+AnalogIn sensitive=A5;
+AnalogIn brightness=A6;
+int NumColumn=14; //灯柱数量
+int Peak[14]={0};
+int PeakDecreaseTime_us=50*1e3; //peak下降延迟时间
+int colorPeak; //peak颜色
+int __mode;
+float freqData[14];
+float noise=0.1;
-//-------------------------------设置Peak_1降落的互钳函数
+float mode=0.1;
+int num=0;
+
+
+//-------------------------------设置Peak降落的互钳函数
void toggleOff(void);
void toggleOn(void){
for(int i=0;i<NumColumn;i++){
if(Peak[i]>-2) Peak[i]--;
}
+ num++;
+ if(num==200){
+ if(mode<=0.5) mode=mode+0.1;
+ else mode=0.1;
+ num=0;
+ }
PeakDecrease.attach_us(toggleOff,PeakDecreaseTime_us);
}
void toggleOff(void){
@@ -46,47 +55,128 @@
if(i>j)return i;
else return j;
}
-//---------------------------------------------
+//---------------------------------------------读取MSGEQ7的返回值
void Read() {
reset = 1;
- wait_us(3000);
+ //wait_ns(150); //最小值100ns
reset = 0;
- wait_us(1000);
+ wait_us(200);
for (int i = 0; i < 7; i++){
strobe = 0;
- wait_us(1000);
- freqData[i]=analog1_7;
- freqData[i+7]=analog8_14;
+ wait_us(50); //待输出稳定
+ freqData[i*2]=analog1_7*(0.5+2*sensitive);
+ freqData[i*2+1]=analog8_14*(0.5+2*sensitive);
strobe = 1;
- // wait_us(40);
+ wait_us(40); //strobe最小间隔72us，此处取90us
+ }
+}
+//-------------------------------------------初始颜色
+int colorBegin(){
+ int __mode=(int)(mode*10); //__mode范围为1,2,3,4,5,6,7,8,9
+ switch(__mode){
+ case 1:
+ colorPeak=0xFF0000;
+ return 0x00FF00;//
+ case 2:
+ colorPeak=0xFF0000;
+ return 0x0000FF;//
+ case 3:
+ colorPeak=0xFFFF00;
+ return 0xFF33CC;//
+ case 4:
+ colorPeak=0x990099;
+ return 0xFF3366;//
+ case 5:
+ colorPeak=0x0000FF;
+ return 0x000000;//
+ case 6:
+ colorPeak=0xFF0000;
+ return 0x00FF00;
+ case 7:
+ colorPeak=0xFF0000;
+ return 0x00FF00;
+ case 8:
+ colorPeak=0xFF0000;
+ return 0x00FF00;
+ case 9:
+ colorPeak=0xFF0000;
+ return 0x00FF00;
+ default:
+ colorPeak=0xFF0000;
+ return 0x00FF00;
+
}
}
+//------------------------------------------设置模式，每个数字对应一种颜色变换方式
+int colorTransformation(int __color,int i){
+ switch(__mode){
+ case 1:
+ return __color+0x060009-0x000B00;//绿色
+ case 2:
+ return __color+0x0B0000-0x00000C;//蓝色
+ case 3:
+ switch(i){
+ case 0:return 0xFF33CC; case 1:return 0xFF33FF; case 2:return 0xCC33FF; case 3:return 0x9933FF; case 4:return 0x6633FF;
+ case 5:return 0x3333FF; case 6:return 0x3366FF; case 7:return 0x3399FF; case 8:return 0x33CCFF; case 9:return 0x33FFFF;
+ case 10:return 0x33FFCC; case 11:return 0x33FF99; case 12:return 0x33FF66; case 13:return 0x33FF33; case 14:return 0x66FF33;
+ case 15:return 0x99FF33; case 16:return 0xCCFF33; case 17:return 0xFFFF33; case 18:return 0xFFCC33; case 19:return 0xFF9933;
+ default: return 0x000000;
+ }//粉黄
+ case 4:
+ switch(i){
+ case 0:return 0xFF3366; case 1:return 0xFF33CC; case 2:return 0xCC33FF; case 3:return 0x6633FF; case 4:return 0x3366FF;
+ case 5:return 0x33CCFF; case 6:return 0x33FFCC; case 7:return 0x33FF66; case 8:return 0x66FF33; case 9:return 0xCCFF33;
+ case 10:return 0xFFCC33; case 11:return 0xFF6633; case 12:return 0xFF33CC; case 13:return 0xFF33FF; case 14:return 0x9933FF;
+ case 15:return 0x3333FF; case 16:return 0x3399FF; case 17:return 0x33FFFF; case 18:return 0x33FF99; case 19:return 0x33FF33;
+ default: return 0x000000;
+ }//
+ case 5:
+ return 0X000000;//红色无
+ case 6:
+ return __color;
+ break;
+ case 7:
+ return __color;
+ break;
+ case 8:
+ return __color;
+ break;
+ case 9:
+ return __color;
+ default:
+ return __color+0x06000C;
+
+ }
+}
+//------------------------------------------确定单个column的颜色
+void run(int j){
+ __mode=mode*10;
+ int __color=colorBegin();
+ int H=((freqData[j]-noise)*19);
+ for(int i=0; i<20; i++) {
+ if(i>H) Column[i].hex=0;
+ else Column[i].hex=__color;
+ __color=colorTransformation(__color,i);
+ }
+ Column[max(Peak[j],H)].hex=colorPeak;
+ if(Peak[j]<H) Peak[j]=H;//当Peak小于H时，上拉Peak到最顶端
+}
//-------------------------------------------main
-void run(int j){
- int __ColorBegin=ColorBegin;
- int H=(freqData[j+3]*19);
- for(int i=0; i<20; i++) {
- if(i>=H) Column[i].hex=0;
- else Column[i].hex=__ColorBegin;
- __ColorBegin+=ColorLadder;
- }
- __ColorBegin=ColorBegin;//重置初始颜色
- Column[max(Peak[j],H)].hex=0xFF0000;
- if(Peak[j]<H) Peak[j]=H;//当Peak小于H时，上拉Peak到最顶端
-}
int main()
{
strobe=1;
- reset=0;
+ reset=0; //initialize
clk.set_frequency(SI5351_CLK1, 104570);
- clk.set_frequency(SI5351_CLK0, 166280);
+ clk.set_frequency(SI5351_CLK0, 190000);
wait_us(200*1000); // 等待HSE稳定
- neoPixel.global_scale = 0.05f; //亮度调节
neoPixel.normalize = false; // 使r+g+b=255 均匀每个led亮度
//Peakdecrease.detach();
toggleOn();//打开PeakDecrease
while(1) {
Read();
+ neoPixel.global_scale = brightness; //亮度调节
+ //for(int x=0;x<14;x++) printf("%4.d ",(int)(freqData[x]*100));//test
+ //printf("\n");//test
for(int j=0;j<NumColumn;j++){
run(j);
for(int k=20*j;k<20*(j+1);k++){
@@ -94,6 +184,5 @@
}
}
neoPixel.send(Column_All, NumColumn*20);
-
}
}
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