标题: STC15单片机的5050PCA流水灯程序 [打印本页]
作者: 天蓝色的Toto    时间: 2021-2-13 02:08
标题: STC15单片机的5050PCA流水灯程序
通过74HC595控制8位流水灯，PCA的三路PWM控制颜色
引脚定义（仅供参考）
sbit DQ=P1^2;
sbit RCK=P1^3;
sbit SCLK=P1^4;
sbit Blue=P1^0;
sbit Red=P1^1;
sbit Green=P3^7;

单片机源程序如下:
  1. #include<stc15f2k60s2.h>
  2. #include<intrins.h>

  4. sbit DQ=P1^2;
  5. sbit RCK=P1^3;
  6. sbit SCLK=P1^4;
  7. /*
  8. sbit Blue=P1^0;
  9. sbit Red=P1^1;
  10. sbit Green=P3^7;
  11. */

  13. unsigned int bianliang;
  14. unsigned char red,green,blue;

  16. #define CCP_S0 0x10
  17. #define CCP_S1 0x20
  18. void delay(void)   //误差 0us
  19. {
  20.     unsigned char a,b;
  21.     for(b=173;b>0;b--)
  22.         for(a=143;a>0;a--);
  23. }

  25. void Timer0Init(void)                //7500微秒@11.0592MHz
  26. {
  27.         AUXR &= 0x7F;                //定时器时钟12T模式
  28.         TMOD &= 0xF0;                //设置定时器模式
  29.     TH0 = 0x0F1;
  30.     TL0 = 0x9A;
  31.         TF0 = 0;                //清除TF0标志
  32.         TR0 = 1;                //定时器0开始计时
  33.         EA=1;
  34.         ET0=1;
  35. }


  38. void Write595(unsigned char dat)
  39. {
  40. unsigned char i;
  41. RCK=0;
  42. for(i=0;i<8;i++)
  43. {
  44. SCLK=0;
  45. dat<<=1;
  46. _nop_();
  47. DQ=CY;
  48. _nop_();
  49. _nop_();
  50. SCLK=1;
  51. }
  52. RCK=1;
  53. }

  55. void PWMInit()
  56. {
  57. ACC=P_SW1;
  58. ACC&=~(CCP_S0|CCP_S1);
  59. P_SW1=ACC;
  60.        
  61. CCON=0X00;
  62. CL=0;
  63. CH=0;
  64. CMOD=0x08;
  65. /*红*/
  66. PCA_PWM0=0x00;
  67. CCAP0H=CCAP0L=0X00;
  68. CCAPM0=0X42;
  69. /*蓝*/       
  70. PCA_PWM1=0x00;
  71. CCAP1H=CCAP1L=0X00;
  72. CCAPM1=0X42;
  73. /*绿*/       
  74. PCA_PWM2=0x00;
  75. CCAP2H=CCAP2L=0Xff;
  76. CCAPM2=0X42;
  77. }

  79. void PWMSet(unsigned char re,blu,gree)
  80. {
  81. CCAP0H=CCAP0L=re;
  82. CCAP1H=CCAP1L=blu;
  83. CCAP2H=CCAP2L=gree;
  84. }
  85. void main()
  86. {
  87. bianliang=0;blue=255;green=0;red=0;
  88. PWMInit();
  89. Timer0Init();
  90. while(1)
  91. {
  92. unsigned char ams,i,j,sma;

  94. for(j=0;j<12;j++)
  95. {
  96. ams=0x80;
  97. for(i=0;i<8;i++)
  98. {
  99. Write595(~ams);       
  100. ams>>=1;
  101. delay();
  102. }
  103. }

  105. for(j=0;j<12;j++)
  106. {
  107. ams=0x01;
  108. for(i=0;i<8;i++)
  109. {
  110. Write595(~ams);       
  111. ams<<=1;
  112. delay();
  113. }
  114. }



  118. for(j=0;j<8;j++)
  119. {
  120. ams=0x80;
  121. for(i=0;i<8;i++)
  122. {
  123. Write595(~ams);       
  124. ams>>=1;
  125. delay();
  126. }
  127. ams=0x01;
  128. for(i=0;i<8;i++)
  129. {
  130. Write595(~ams);       
  131. ams<<=1;
  132. delay();
  133. }
  134. }

  136. for(j=0;j<16;j++)
  137. {
  138. ams=0x80;sma=0x01;
  139. for(i=0;i<8;i++)
  140. {
  141. Write595(~(ams|sma));       
  142. ams>>=1;
  143. sma<<=1;
  144. delay();
  145. }
  146. }

  148. for(j=0;j<8;j++)
  149. {
  150. ams=0x7f;
  151. for(i=0;i<8;i++)
  152. {
  153. Write595(ams);       
  154. ams>>=1;
  155. delay();
  156. }
  157. }

  159. for(j=0;j<8;j++)
  160. {
  161. ams=0xfe;
  162. for(i=0;i<8;i++)
  163. {
  164. Write595(ams);       
  165. ams<<=1;
  166. delay();
  167. }
  168. }

  170. for(j=0;j<12;j++)
  171. {
  172. ams=0xf0;
  173. for(i=0;i<2;i++)
  174. {
  175. Write595(~ams);
  176. delay();
  177. delay();       
  178. delay();
  179. ams>>=4;
  180. Write595(~ams);
  181. delay();
  182. delay();
  183. delay();
  184. }
  185. }

  187. for(j=0;j<12;j++)
  188. {
  189. ams=0xaa;
  190. for(i=0;i<2;i++)
  191. {
  192. Write595(~ams);
  193. delay();
  194. delay();       
  195. delay();
  196. Write595(ams);
  197. delay();
  198. delay();
  199. delay();
  200. }
  201. }

  203. for(j=0;j<12;j++)
  204. {
  205. ams=0x88;
  206. for(i=0;i<4;i++)
  207. {
  208. Write595(~ams);
  209. ams>>=1;
  210. delay();
  211. delay();
  212. }
  213. }


  216. for(j=0;j<12;j++)
  217. {
  218. ams=0x11;
  219. for(i=0;i<4;i++)
  220. {
  221. Write595(~ams);
  222. ams<<=1;
  223. delay();
  224. delay();
  225. }
  226. }



  230. }
  231. }


  234. void Timer() interrupt 1
  235. {
  236. if(bianliang==0)
  237. {blue=255;green=0;red=0;}

  239. if(bianliang>0&&bianliang<255)
  240. {blue--;red++;}

  242. if(bianliang==255)
  243. {blue=0;green=0;red=255;}

  245. if(bianliang>255&&bianliang<510)
  246. {red--;green++;}

  248. if(bianliang==510)
  249. {blue=0;green=255;red=0;}

  251. if(bianliang>510&&bianliang<765)
  252. {blue++;}

  254. if(bianliang==765)
  255. {blue=255;green=255;red=0;}

  257. if(bianliang>765&&bianliang<1020)
  258. {red++;green--;}

  260. if(bianliang==1020)
  261. {blue=255;green=0;red=255;}

  263. if(bianliang>1020&&bianliang<1275)
  264. {blue--;green++;}

  266. if(bianliang==1275)
  267. {blue=0;green=255;red=255;}

  269. if(bianliang>1275&&bianliang<1530)
  270. {blue++;}

  272. if(bianliang==1530)
  273. {blue=255;}

  275. if(bianliang>1530&&bianliang<1785)
  276. {red--;}

  278. if(bianliang==1785)
  279. {red=0;}

  281. if(bianliang>1785&&bianliang<2040)
  282. {red++;blue--;}

  284. if(bianliang==2040)
  285. {blue=0;red=255;}

  287. if(bianliang>2040&&bianliang<2295)
  288. {blue++;green--;}

  290. if(bianliang==2295)
  291. {blue=255;green=0;red=255;}

  293. if(bianliang>2295&&bianliang<2550)
  294. {red--;green++;}

  296. if(bianliang==2550)
  297. {blue=255;green=255;red=0;}

  299. if(bianliang>2550&&bianliang<2805)
  300. {blue--;}

  302. if(bianliang==2805)
  303. {blue=0;green=255;red=0;}

  305. if(bianliang>2805&&bianliang<3060)
  306. {red++;green--;}

  308. if(bianliang==3060)
  309. {blue=0;green=0;red=255;}

  311. if(bianliang>3060&&bianliang<3315)
  312. {red--;blue++;}

  314. bianliang++;
  315. PWMSet(red,blue,green);
  316. if(bianliang==3315)
  317. {bianliang=0;}

  319. }
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5050全彩流水灯PCA.zip (34.5 KB, 下载次数: 11)







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