恒压控制程序 压力采集器

//------------------------------------------------------------------------------- void kpa_display(void) //采集压力和设定压力显示程序 { switch(xlhao) { case 0: //采集压力显示 { if(kpa_hz_biao) //判断是否显示设定压力值 { if(ssw_biao1==0) { P2OUT=0x01; //设置压力显示 P1OUT=sdata[scout4]; //只显示设定压力值，不显示频率 xlhao=1; break; } else xlhao=1; } else xlhao=1; } case 1: { if(ssw_biao2==0) { P2OUT=0x02; if(kpa_hz_biao) P1OUT=sdata[scout3]; else P1OUT=sdata[hcout3]; xlhao=2; break; } else xlhao=2; } case 2: { if(ssw_biao3==0) { P2OUT=0x04; if(kpa_hz_biao) P1OUT=sdata[scout2]&0xfe; //加上小数点 else P1OUT=sdata[hcout2]&0xfe; xlhao=3; break; } else xlhao=3; } case 3: { if(ssw_biao4==0) { P2OUT=0x08; if(kpa_hz_biao) P1OUT=sdata[scout1]; else P1OUT=sdata[hcout1]; xlhao=4; break; } else xlhao=4; //如果不显示此位，则绕过 } case 4: //设置压力显示 { P2OUT=0x10; P1OUT=sdata[ccout4]; xlhao=5; break; } case 5: { P2OUT=0x20; P1OUT=sdata[ccout3]; xlhao=6; break; } case 6: { P2OUT=0x40; P1OUT=sdata[ccout2]&0xfe; //加上小数点 xlhao=7; break; } case 7: { P2OUT=0x80; P1OUT=sdata[ccout1]; xlhao=0; break; } } } //------------------------------------------------------------------------------- void smg_tiqv(void) //数码管显示的值，提取程序 { unsigned int ee=0; ee=xian_kpa; //显示压力提取程序 ccout1=ee%10; ee=ee/10; ccout2=ee%10; ee=ee/10; ccout3=ee%10; ee=ee/10; ccout4=ee%10; ee=xian_hz; //显示HZ提取程序 hcout1=ee%10; ee=ee/10; hcout2=ee%10; ee=ee/10; hcout3=ee%10; ee=ee/10; hcout4=ee%10; } //------------------------------------------------------------------------------- void key_jiance(void)//按键检测程序 { if(key5) key5_biao=0; if((key5==0)&&(key5_biao==0)) //设置 { key5_biao=1; ssw_cout=0; ssw_biao1=1; kpa_hz_biao=1;//转换到设置压力显示 jiemian=1; //界面1 } if(key3) key3_biao=0; if((key3==0)&&(key3_biao==0)) //确定 { key3_biao=1; jiemian=0; ssw_biao1=0; ssw_biao2=0; ssw_biao3=0; ssw_biao4=0; //标志位清零 kpa_hz_biao=0; //转换到频率显示 skpa_cun(); //存储设定的压力值 } if(key4) key4_biao=0; if((key4==0)&&(key4_biao==0)) //位移 { key4_biao=1; ssw_cout++; if(ssw_cout>3) ssw_cout=0; } if(key1) key1_biao=0; if((key1==0)&&(key1_biao==0)) //+ { key1_biao=1; skpa_tizh(1); //设置的压力值，调整函数 } if(key2) key2_biao=0; if((key2==0)&&(key2_biao==0)) //- { key2_biao=1; skpa_tizh(0); } } //------------------------------------------------------------------------------- void skpa_tizh(unsigned char kbiao)//设定值位值计算程序 { if(jiemian) { switch(ssw_cout) { case 0: { if(kbiao) { scout4++; if(scout4>9) scout4=0; } else { if(scout4==0) scout4=10; scout4--; } break; } case 1: { if(kbiao) { scout3++; if(scout3>9) scout3=0; } else { if(scout3==0) scout3=10; scout3--; } break; } case 2: { if(kbiao) { scout2++; if(scout2>9) scout2=0; } else { if(scout2==0) scout2=10; scout2--; } break; } case 3: { if(kbiao) { scout1++; if(scout1>9) scout1=0; } else { if(scout1==0) scout1=10; scout1--; } break; } default :break; } } } //------------------------------------------------------------------------------- void skpa_cun(void) //把设定的压力值，进行计算并存储 { unsigned int aa=0,bb=0,cc=0; aa=scout4; aa*=1000; bb=scout3; bb*=100; cc=scout2; cc*=10; she_kpa=aa+bb+cc+scout1; //整理设置的压力值 she_bi_kpa=she_kpa; //设定值付给比较值 she_bi_kpa*=100; //计算设定值，比较数据值 addr_flash_write(); //把设置的压力值存到FLASH中 } //-------------------------------------------------------------------------------