205 lines
4.3 KiB
C
205 lines
4.3 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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/* 串口方面 */
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uchar Uart_Slow_Down;
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uchar Uart_Buf[3]; // 串口接收到的数据
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uchar Uart_Rx_Index; // 串口接收到的数据的指针
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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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/* 界面 */
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uchar Seg_show_mode; // 0 温度显示 1 电压显示
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/* 数据 */
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uint T_value_10x; // 10倍温度值
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uint V_value_100x; // 100倍电压值
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/* 判断 */
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bit Data_send_flag; // 判断是否应该发送数据
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bit Lock_uart_change; // 串口修改页面功能是否锁定
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bit Led_blink_flag; // 闪烁标志
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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 % 100 == 0)
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{
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// AD读取
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V_value_100x = (float)Ad_Read(0x03) / 51.0 * 100;
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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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}
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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 == 12)
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Data_send_flag = 1;
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if (Key_Down == 4)
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Lock_uart_change = 1;
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if (Lock_uart_change && Key_Down == 5)
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Lock_uart_change = 0;
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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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if (time_all_1s % 20)
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return;
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Seg_Buf[0] = 11; // U
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Seg_Buf[1] = Seg_show_mode + 1;
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Seg_Buf[2] = Seg_Buf[3] = Seg_Buf[4] = 10;
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if (Seg_show_mode == 0)
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{
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Seg_Point[5] = 0;
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Seg_Point[6] = 1;
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Seg_Buf[5] = 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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}
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else
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{
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Seg_Point[5] = 1;
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Seg_Point[6] = 0;
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Seg_Buf[5] = V_value_100x / 100 % 10;
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Seg_Buf[6] = V_value_100x / 10 % 10;
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Seg_Buf[7] = V_value_100x % 10;
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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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ucLed[0] = (Seg_show_mode == 0);
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ucLed[1] = (Seg_show_mode == 1);
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ucLed[2] = Led_blink_flag;
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Relay(T_value_10x >= 280);
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Beep(V_value_100x > 360);
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}
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/* 串口处理函数 */
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void Uart_Proc()
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{
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if (time_all_1s % 200)
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return;
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if (Data_send_flag)
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{
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Data_send_flag = 0;
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if (Seg_show_mode == 0)
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printf("TEMP:%0.1f℃", (float)T_value_10x / 10.0);
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else
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printf("Voltage:%0.2fV", (float)V_value_100x / 100.0);
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}
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if (Lock_uart_change == 0)
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{
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// 未被锁定
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if (Uart_Buf[0] == 'A')
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Seg_show_mode = 0;
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if (Uart_Buf[0] == 'B')
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Seg_show_mode = 1;
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memset(Uart_Buf, 0, 3);
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Uart_Rx_Index = 0;
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}
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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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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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ET0 = 1;
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EA = 1;
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}
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/* 定时器0中断函数 */
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void Timer0_ISR(void) interrupt 1
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{
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if (++time_all_1s == 1000)
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time_all_1s = 0;
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if (++Seg_Pos == 8)
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Seg_Pos = 0;
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if (Lock_uart_change)
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{
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if (++time_100ms == 100)
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{
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time_100ms = 0;
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Led_blink_flag ^= 1;
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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_flag = 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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/* 串口中断服务函数 */
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void Uart_ISR(void) interrupt 4
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{
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if (RI == 1) // 串口接收到数据
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{
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Uart_Buf[Uart_Rx_Index] = SBUF;
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Uart_Rx_Index++;
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RI = 0;
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}
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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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Timer0_Init();
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Uart1_Init();
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rd_temperature();
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Delay750ms();
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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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Key_Proc();
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Data_Proc();
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Seg_Proc();
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Uart_Proc();
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Led_Proc();
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}
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} |