217 lines
4.9 KiB
C
217 lines
4.9 KiB
C
#include "main.h"
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/* LED显示 */
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uchar ucLed[8] = {0, 0, 0, 0, 0, 0, 0, 0};
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/* 数码管显示 */
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uchar Seg_Buf[8] = {10, 10, 10, 10, 10, 10, 10, 10}; // 数码管显示的值
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uchar Seg_Pos; // 数码管指示
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uchar Seg_Point[8] = {0, 0, 0, 0, 0, 0, 0, 0}; // 某位是否显示小数点
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/* 时间方面 */
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uchar ucRtc[3] = {0x13, 0x11, 0x11}; // 初始化时间13:11:11
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/* 时间方面 */
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uint time_all_1s;
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uchar time_100ms;
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/* 显示 */
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uchar Seg_show_mode; // 0 信号 1 温度 2 参数
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/* 数据 */
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uint freq;
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uint T_value_10x;
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uchar T_para = 25;
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uchar V_out_amp;
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/* 判断 */
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bit Wring_flag;
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bit Hot_flag;
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bit Led_blink_show;
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/* 数据处理函数 */
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void Data_Proc()
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{
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if (time_all_1s % 500 == 0)
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{
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// 温度读取
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T_value_10x = rd_temperature() * 10;
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Wring_flag = (T_value_10x > T_para * 10);
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Hot_flag = (T_value_10x > 300);
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}
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}
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/* 键盘处理函数 */
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void Key_Proc()
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{
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static uchar Key_Val, Key_Down, Key_Up, Key_Old;
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if (time_all_1s % 10)
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return;
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Key_Val = Key_Read();
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Key_Down = Key_Val & (Key_Old ^ Key_Val);
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Key_Up = ~Key_Val & (Key_Old ^ Key_Val);
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Key_Old = Key_Val;
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if (Key_Down == 4)
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Seg_show_mode = (++Seg_show_mode) % 3;
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if (Seg_show_mode == 2)
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{
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if (Key_Down == 9)
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T_para = (T_para == 35) ? 20 : T_para + 1;
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else if (Key_Down == 8)
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T_para = (T_para == 20) ? 35 : T_para - 1;
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}
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}
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/* 数码管处理函数 */
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void Seg_Proc()
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{
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uchar i;
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if (time_all_1s % 20)
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return;
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switch (Seg_show_mode)
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{
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case 0:
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/* 信号界面 */
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Seg_Point[6] = 0;
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Seg_Buf[0] = 11; // P
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Seg_Buf[1] = 10;
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Seg_Buf[2] = freq / 100000 % 10;
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Seg_Buf[3] = freq / 10000 % 10;
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Seg_Buf[4] = freq / 1000 % 10;
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Seg_Buf[5] = freq / 100 % 10;
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Seg_Buf[6] = freq / 10 % 10;
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Seg_Buf[7] = freq % 10;
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i = 2;
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while (i < 7)
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{
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if (Seg_Buf[i - 1] == 10 && Seg_Buf[i] == 0)
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Seg_Buf[i] = 10;
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else
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break;
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}
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break;
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case 1:
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/* 温度界面 */
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Seg_Point[6] = 1;
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Seg_Buf[0] = 12; // C
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Seg_Buf[1] = Seg_Buf[2] = Seg_Buf[3] = Seg_Buf[4] = 10;
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Seg_Buf[5] = (T_value_10x / 100 % 10 == 0) ? 10
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: T_value_10x / 100 % 10;
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Seg_Buf[6] = T_value_10x / 10 % 10;
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Seg_Buf[7] = T_value_10x % 10;
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break;
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case 2:
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/* 参数界面 */
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Seg_Point[6] = 0;
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Seg_Buf[0] = 13; // U
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Seg_Buf[1] = Seg_Buf[2] = Seg_Buf[3] = Seg_Buf[4] = 10;
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Seg_Buf[5] = T_para / 100 % 10;
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Seg_Buf[6] = T_para / 10 % 10;
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Seg_Buf[7] = T_para % 10;
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i = 5;
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while (i < 7)
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{
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if (Seg_Buf[i - 1] == 10 && Seg_Buf[i] == 0)
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Seg_Buf[i] = 10;
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else
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break;
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}
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break;
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}
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}
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/* LED处理函数 */
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void Led_Proc()
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{
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Da_Write(V_out_amp);
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Relay(Wring_flag);
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ucLed[0] = (Seg_show_mode == 0);
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ucLed[1] = (Seg_show_mode == 1);
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ucLed[7] = Led_blink_show;
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}
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/* 定时器0中断初始化 */
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void Timer0_Init(void) // 1毫秒@12.000MHz
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{
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AUXR &= 0x7F; // 定时器时钟12T模式
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TMOD &= 0xF0; // 设置定时器模式
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TMOD |= 0x05;
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TL0 = 0x18; // 设置定时初始值
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TH0 = 0xFC; // 设置定时初始值
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TF0 = 0; // 清除TF0标志
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TR0 = 1; // 定时器0开始计时
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}
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void Timer1_Init(void) // 1毫秒@12.000MHz
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{
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AUXR &= 0xBF; // 定时器时钟12T模式
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TMOD &= 0x0F; // 设置定时器模式
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TL1 = 0x18; // 设置定时初始值
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TH1 = 0xFC; // 设置定时初始值
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TF1 = 0; // 清除TF1标志
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TR1 = 1; // 定时器1开始计时
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ET1 = 1; // 使能定时器1中断
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EA = 1;
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}
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void Timer1_Isr(void) interrupt 3
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{
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if (++time_all_1s == 1000)
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{
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time_all_1s = 0;
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freq = TH0 << 8 | TL0;
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if (freq > 2000)
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V_out_amp = 4.5f * 51;
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else if (freq < 200)
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V_out_amp = 0.5f * 51;
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else
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V_out_amp = ((float)(freq - 200) / 450.0f + 0.5f) * 51;
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TH0 = TL0 = 0;
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}
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if (++Seg_Pos == 8)
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Seg_Pos = 0;
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if (Hot_flag)
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{
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if (++time_100ms == 100)
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{
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Led_blink_show ^= 1;
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time_100ms = 0;
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}
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}
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else
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{
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time_100ms = 0;
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Led_blink_show = 0;
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}
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Seg_Disp(Seg_Pos, Seg_Buf[Seg_Pos], Seg_Point[Seg_Pos]);
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Led_Disp(Seg_Pos, ucLed[Seg_Pos]);
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}
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void Delay750ms(void) //@12.000MHz
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{
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unsigned char data i, j, k;
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_nop_();
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_nop_();
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i = 35;
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j = 51;
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k = 182;
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do
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{
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do
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{
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while (--k)
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;
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} while (--j);
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} while (--i);
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}
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void main()
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{
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System_Init();
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Timer1_Init();
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Timer0_Init();
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T_value_10x = rd_temperature() * 10;
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Delay750ms();
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while (1)
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{
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Data_Proc();
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Key_Proc();
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Seg_Proc();
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Led_Proc();
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}
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} |