蓝桥杯单片机第九届国赛-多功能测量仪表.zip

#include <STC15F2K60S2.H> #include "absacc.h" #include "iic.h" #include "onewire.h" sbit S4 = P3^3; sbit S5 = P3^2; sbit S6 = P3^1; sbit S7 = P3^0; unsigned char code Seg_code[] = {0xc0, 0xf9, 0xa4, 0xb0, 0x99, 0x92, 0x82, 0xf8, 0x80, 0x90}; unsigned int F_count = 0, F_dat = 0, C_dat = 0; unsigned int F_last = 0, C_last = 0; unsigned char V_dat = 0, V_threshold = 10, set_threshold = 0, dis_mode = 0, sys_mode = 0; unsigned char V_last = 0; unsigned char LED_dat = 0xff; //unsigned void DDelay(unsigned int t); void Key(); void Display(); void Timer0Init(void) //计数器@12.000MHz { AUXR &= 0x7F; //定时器时钟12T模式 TMOD &= 0xF0; TMOD |= 0x04; //设置计数器模式 TL0 = 0xFF; //设置定时初值 TH0 = 0xFF; //设置定时初值 TF0 = 0; //清除TF0标志 ET0 = 1; EA = 1; TR0 = 1; //定时器0开始计时 } void Timer1Init(void) //50毫秒@12.000MHz { AUXR &= 0xBF; //定时器时钟12T模式 TMOD &= 0x0F; //设置定时器模式 TL1 = 0xB0; //设置定时初值 TH1 = 0x3C; //设置定时初值 TF1 = 0; //清除TF1标志 ET1 = 1; TR1 = 1; //定时器1开始计时 } void ReadRb2() { IIC_Start(); IIC_SendByte(0x90); IIC_WaitAck(); IIC_SendByte(0x03); IIC_WaitAck(); IIC_Start(); IIC_SendByte(0x91); IIC_WaitAck(); V_dat = IIC_RecByte() * 50 / 255; IIC_SendAck(1); IIC_Stop(); } unsigned char ReadEEPROM(unsigned char addr) { unsigned char tmp; IIC_Start(); IIC_SendByte(0xa0); IIC_WaitAck(); IIC_SendByte(addr); IIC_WaitAck(); IIC_Start(); IIC_SendByte(0xa1); IIC_WaitAck(); tmp = IIC_RecByte(); IIC_SendAck(1); IIC_Stop(); return tmp; } void WriteEEPROM(unsigned char addr, unsigned char dat) { IIC_Start(); IIC_SendByte(0xa0); IIC_WaitAck(); IIC_SendByte(addr); IIC_WaitAck(); IIC_SendByte(dat); IIC_WaitAck(); IIC_Stop(); } void WriteData() { WriteEEPROM(0x00, 0xaa); DDelay(500); WriteEEPROM(0x01, (unsigned char)(C_dat>>8)); DDelay(500); WriteEEPROM(0x02, (unsigned char)C_dat); DDelay(500); WriteEEPROM(0x03, V_dat); DDelay(500); WriteEEPROM(0x04, (unsigned char)(F_dat>>16)); DDelay(500); WriteEEPROM(0x05, (unsigned char)(F_dat>>8)); DDelay(500); WriteEEPROM(0x06, (unsigned char)F_dat); } void ReadData() { C_last = ReadEEPROM(0x01); C_last = (C_last<<8) + ReadEEPROM(0x02); V_last = ReadEEPROM(0x03); F_last = ReadEEPROM(0x04); F_last = (F_last<<8) + ReadEEPROM(0x05); F_last = (F_last<<8) + ReadEEPROM(0x06); } void InitSystem() { XBYTE[0x8000] = 0xff; XBYTE[0xa000] = 0x00; XBYTE[0xe000] = 0xff; Timer0Init(); Timer1Init(); if(ReadEEPROM(0x00) == 0xaa) ReadData(); else WriteData(); } void main() { InitSystem(); while(1) { Key(); Display(); } } void DDelay(unsigned int t) { while(t--); } void DisplayBit(unsigned char pos, unsigned char dat) { XBYTE[0xe000] = 0xff; XBYTE[0xc000] = 0x01 << pos; XBYTE[0xe000] = dat; } void Display_V() { if(sys_mode == 0) { DisplayBit(0, 0xc1); DDelay(500); DisplayBit(1, 0xff); } else { DisplayBit(0, 0x89); DDelay(500); DisplayBit(1, 0xc1); } DDelay(500); DisplayBit(2, 0xff); DDelay(500); DisplayBit(3, 0xff); DDelay(500); DisplayBit(4, 0xff); DDelay(500); DisplayBit(5, 0xff); DDelay(500); if(sys_mode == 0) { DisplayBit(6, Seg_code[V_dat/10] & 0x7f); DDelay(500); DisplayBit(7, Seg_code[V_dat%10]); } else { DisplayBit(6, Seg_code[V_last/10] & 0x7f); DDelay(500); DisplayBit(7, Seg_code[V_last%10]); } DDelay(500); XBYTE[0xe000] = 0xff; } void Display_F() { if(sys_mode == 0) { DisplayBit(0, 0x8e); DDelay(500); DisplayBit(1, 0xff); } else { DisplayBit(0, 0x89); DDelay(500); DisplayBit(1, 0x8e); } DDelay(500); DisplayBit(2, 0xff); DDelay(500); if(sys_mode == 0) { DisplayBit(3, Seg_code[F_dat/10000]); DDelay(500); DisplayBit(4, Seg_code[F_dat%10000/1000]); DDelay(500); DisplayBit(5, Seg_code[F_dat%1000/100]); DDelay(500); DisplayBit(6, Seg_code[F_dat%100/10]); DDelay(500); DisplayBit(7, Seg_code[F_dat%10]); } else { DisplayBit(3, Seg_code[F_last/10000]); DDelay(500); DisplayBit(4, Seg_code[F_last%10000/1000]); DDelay(500); DisplayBit(5, Seg_code[F_last%1000/100]); DDelay(500); DisplayBit(6, Seg_code[F_last%100/10]); DDelay(500); DisplayBit(7, Seg_code[F_last%10]); } DDelay(500); XBYTE[0xe000] = 0xff; } void Display_C() { if(sys_mode == 0) { DisplayBit(0, 0xc6); DDelay(500); DisplayBit(1, 0xff); } else { DisplayBit(0, 0x89); DDelay(500); DisplayBit(1, 0xc6); } DDelay(500); DisplayBit(2, 0xff); DDelay(500); DisplayBit(3, 0xff); DDelay(500); if(sys_mode == 0) { DisplayBit(4, Seg_code[C_dat/1000]); DDelay(500); DisplayBit(5, Seg_code[C_dat%1000/100] & 0x7f); DDelay(500); DisplayBit(6, Seg_code[C_dat%100/10]); DDelay(500); DisplayBit(7, Seg_code[C_dat%10]); } else { DisplayBit(4, Seg_code[C_dat/1000]); DDelay(500); DisplayBit(5, Seg_code[C_last%1000/100] & 0x7f); DDelay(500); DisplayBit(6, Seg_code[C_last%100/10]); DDelay(500); DisplayBit(7, Seg_code[C_last%10]); } DDelay(500); XBYTE[0xe000] = 0xff; } void Display_P() { DisplayBit(0, 0x8c); DDelay(500); DisplayBit(1, 0xff); DDelay(500); DisplayBit(2, 0xff); DDelay(500); DisplayBit(3, 0xff); DDelay(500); DisplayBit(4, 0xff); DDelay(500); DisplayBit(5, 0xff); DDelay(500); DisplayBit(6, Seg_code[V_threshold/10] & 0x7f); DDelay(500); DisplayBit(7, Seg_code[V_threshold%10]); DDelay(500); XBYTE[0xe000] = 0xff; } void Display() { C_dat = rd_temperature(); ReadRb2(); if(set_threshold == 0) switch(dis_mode) { case 0: if(sys_mode == 0) { LED_dat |= 0x7f; LED_dat &= 0xfb; } else LED_dat |= 0x7f; Display_V(); break; case 1: if(sys_mode == 0) { LED_dat |= 0x7f; LED_dat &= 0xfd; } else LED_dat |= 0x7f; Display_F(); break; case 2: if(sys_mode == 0) { LED_dat |= 0x7f; LED_dat &= 0xfe; } else LED_dat |= 0x7f; Display_C(); break; } else { LED_dat |= 0x7f; Display_P(); } XBYTE[0x8000] = LED_dat; } void Key() { if(S4 == 0) { if(set_threshold == 0) if(dis_mode == 2) dis_mode = 0; else if(dis_mode < 2) dis_mode ++; // 0-C, 1-V, 2-F } else if(S5 == 0) { WriteData(); } else if(S6 == 0) { if(set_threshold == 0) sys_mode = (sys_mode == 0); else { if(V_threshold < 50) V_threshold ++; else V_threshold = 1; } } else if(S7 == 0) { set_threshold = (set_threshold == 0); } while(S4==0||S5==0||S6==0||S7==0) Display(); } void T0_server() interrupt 1 { F_count++; } void T1_server() interrupt 3 { static unsigned int ms1 = 0, ms2 = 0, ms3 = 0; if(++ms1 == 10) { ms1 = 0; F_dat = F_count * 2; F_count = 0; } if(V_dat > V_threshold) { if(++ms3 == 4) { ms3 = 0; LED_dat = (LED_dat & 0x7f) | ~(LED_dat | 0x7f); } } else LED_dat |= 0x80; if(S6 == 0 && set_threshold == 1) { if(ms2 < 16) ms2++; if(ms2 == 16) { if(V_threshold < 50) V_threshold ++; else V_threshold = 1; } } else { ms2 = 0; } }