320 lines
6.6 KiB
C
320 lines
6.6 KiB
C
#include "main.h"
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#define LIGHT_NUM 50
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#define DARK_NUM 10
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/* 变量声明区 */
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uchar Key_Slow_Down; // 按键减速专用变量
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uchar Seg_Buf[8] = {10, 10, 10, 10, 10, 10, 10, 10}; // 数码管显示数据存放数组
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uchar Seg_Point[8] = {0, 0, 0, 0, 0, 0, 0, 0}; // 数码管小数点数据存放数组
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uchar Seg_Pos; // 数码管扫描专用变量
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uint Seg_Slow_Down; // 数码管减速专用变量
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uchar ucLed[8] = {0, 0, 0, 0, 0, 0, 0, 0}; // Led显示数据存放数组
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uchar ucRtc[3] = {0x11, 0x11, 0x11};
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/*界面*/
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bit Seg_show_mode; // 0数据 1参数
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uchar data_show_mode; // 0时间 1距离 2记录
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bit celi_show_mode; // 0时间参数 1距离参数
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bit burst_mode; // 0触发模式 1定时模式
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uchar data_show_memory; // 0最大值 1最小值 2平均值
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/*数据*/
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uchar collection_time = 2;
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uchar collection_time_arr[5] = {2, 3, 5, 7, 9};
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uchar collection_time_index;
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uchar dis_demo = 10;
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uint dis_value;
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uint dis_max;
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uint dis_min;
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uint collection_count;
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uchar wring_count;
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bit wring_flag;
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float dis_aver;
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uchar light_value, light_value_old;
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void init_Seg()
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{
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uchar i;
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for (i = 0; i < 8; i++)
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{
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Seg_Buf[i] = 10;
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Seg_Point[i] = 0;
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}
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}
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void hide_high_Seg(uchar start_num, uchar end_num)
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{
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uchar i;
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for (i = start_num; i < end_num; i++)
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{
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if (Seg_Buf[i] != 0)
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break;
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else
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Seg_Buf[i] = 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_Old, Key_Up; // 按键专用变量
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if (Key_Slow_Down)
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return;
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Key_Slow_Down = 1; // 键盘减速程序
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Key_Val = Key_Read(); // 实时读取键码值
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Key_Down = Key_Val & (Key_Old ^ Key_Val); // 捕捉按键下降沿
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Key_Up = ~Key_Val & (Key_Old ^ Key_Val); // 捕捉按键上降沿
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Key_Old = Key_Val; // 辅助扫描变量
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if (Key_Down == 4)
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{
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Seg_show_mode ^= 1;
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celi_show_mode = data_show_mode = data_show_memory = 0;
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init_Seg();
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}
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if (Key_Down == 5)
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{
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// 参数界面
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if (Seg_show_mode)
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{
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celi_show_mode ^= 1;
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init_Seg();
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}
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// 数据界面
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else
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{
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data_show_mode = (++data_show_mode) % 3;
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init_Seg();
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}
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}
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if (Key_Down == 8 && Seg_show_mode == 0)
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{
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if (data_show_mode == 1)
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burst_mode ^= 1;
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else if (data_show_mode == 2)
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{
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data_show_memory = (++data_show_memory) % 3;
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init_Seg();
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}
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}
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if (Key_Down == 9 && Seg_show_mode == 1)
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{
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if (celi_show_mode)
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dis_demo = (++dis_demo > 80) ? 10 : dis_demo;
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else
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{
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collection_time_index = (++collection_time_index) % 5;
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collection_time = collection_time_arr[collection_time_index];
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}
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}
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}
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/* 信息处理函数 */
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void Seg_Proc()
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{
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uchar temp_dis;
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if (Seg_Slow_Down)
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return;
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Seg_Slow_Down = 1; // 数码管减速程序
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Read_Rtc(ucRtc);
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light_value = Ad_Read(0x01);
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// 定时模式
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if (burst_mode)
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{
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if ((ucRtc[2] / 16 * 10 + ucRtc[2] % 16) % collection_time == 0)
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{
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dis_value = Ut_Wave_Data();
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collection_count = (++collection_count) % 65535;
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dis_aver = (dis_aver * (collection_count - 1) + dis_value) / collection_count;
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if (dis_value > dis_demo - 5 || dis_value < dis_demo + 5)
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{
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if (++wring_count > 3)
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{
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wring_count = 4;
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}
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}
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else
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wring_count = 0;
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}
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}
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// 触发模式
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else
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{
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// 光->暗
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if (light_value_old > LIGHT_NUM && light_value < DARK_NUM)
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{
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dis_value = Ut_Wave_Data();
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collection_count = (++collection_count) % 65535;
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dis_aver = (dis_aver * (collection_count - 1) + dis_value) / collection_count;
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if (dis_value > dis_demo - 5 || dis_value < dis_demo + 5)
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wring_count = (++wring_count) % 4;
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else
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wring_count = 0;
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}
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}
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if (dis_max < dis_value)
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dis_max = dis_value;
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if (dis_min > dis_value || dis_min == 0)
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dis_min = dis_value;
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if (dis_value > 80)
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Da_Write(255);
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else if (dis_value < 10)
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Da_Write(51);
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else
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Da_Write(dis_value / 70.0 * 4 * 51);
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light_value_old = light_value;
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// 参数界面
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if (Seg_show_mode)
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{
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Seg_Buf[0] = 18; // P
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Seg_Buf[1] = (uchar)celi_show_mode + 1;
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if (celi_show_mode)
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{
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Seg_Buf[6] = collection_time / 10 % 10;
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Seg_Buf[7] = collection_time % 10;
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}
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else
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{
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Seg_Buf[6] = dis_demo / 10 % 10;
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Seg_Buf[7] = dis_demo % 10;
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}
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}
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// 数据界面
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else
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{
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switch (data_show_mode)
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{
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case 0:
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/* 时间显示 */
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Seg_Buf[0] = ucRtc[0] / 16;
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Seg_Buf[1] = ucRtc[0] % 16;
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Seg_Buf[2] = 16;
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Seg_Buf[3] = ucRtc[1] / 16;
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Seg_Buf[4] = ucRtc[1] % 16;
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Seg_Buf[5] = 16;
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Seg_Buf[6] = ucRtc[2] / 16;
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Seg_Buf[7] = ucRtc[2] % 16;
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break;
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case 1:
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/*距离显示*/
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Seg_Buf[0] = 11; // L
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Seg_Buf[1] = (burst_mode) ? 12 : 13;
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Seg_Buf[5] = dis_value / 100 % 10;
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Seg_Buf[6] = dis_value / 10 % 10;
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Seg_Buf[7] = dis_value % 10;
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hide_high_Seg(5, 7);
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break;
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case 2:
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/*数据记录*/
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Seg_Buf[0] = 14; // H
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Seg_Buf[1] = data_show_memory + 15;
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switch (data_show_memory)
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{
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case 0:
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/* 最大值 */
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Seg_Buf[4] = dis_max / 1000 % 10;
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Seg_Buf[5] = dis_max / 100 % 10;
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Seg_Buf[6] = dis_max / 10 % 10;
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Seg_Buf[7] = dis_max % 10;
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hide_high_Seg(4, 7);
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break;
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case 1:
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/*平均值*/
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temp_dis = dis_aver * 10;
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Seg_Buf[4] = temp_dis / 1000 % 10;
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Seg_Buf[5] = temp_dis / 100 % 10;
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Seg_Buf[6] = temp_dis / 10 % 10;
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Seg_Buf[7] = temp_dis % 10;
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hide_high_Seg(4, 6);
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Seg_Point[6] = 1;
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break;
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case 2:
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/*最小值*/
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Seg_Buf[4] = dis_min / 1000 % 10;
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Seg_Buf[5] = dis_min / 100 % 10;
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Seg_Buf[6] = dis_min / 10 % 10;
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Seg_Buf[7] = dis_min % 10;
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hide_high_Seg(4, 7);
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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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}
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/* 其他显示函数 */
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void Led_Proc()
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{
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ucLed[0] = (Seg_show_mode == 0 && data_show_mode == 0);
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ucLed[1] = (Seg_show_mode == 0 && data_show_mode == 1);
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ucLed[2] = (Seg_show_mode == 0 && data_show_mode == 2);
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ucLed[3] = !burst_mode;
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if (burst_mode)
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{
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Beep(wring_count >= 3);
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ucLed[4] = (wring_count >= 3);
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}
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else
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{
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Beep(0);
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ucLed[4] = 0;
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}
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ucLed[5] = (light_value > LIGHT_NUM);
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}
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/* 定时器0中断初始化函数 */
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void Timer0Init(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; // 定时器中断0打开
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EA = 1; // 总中断打开
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}
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/* 定时器0中断服务函数 */
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void Timer0Server() interrupt 1
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{
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if (++Key_Slow_Down == 10)
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Key_Slow_Down = 0; // 键盘减速专用
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if (++Seg_Slow_Down == 500)
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Seg_Slow_Down = 0; // 数码管减速专用
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if (++Seg_Pos == 8)
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Seg_Pos = 0; // 数码管显示专用
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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() //@12MHz
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{
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unsigned char 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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/* Main */
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void main()
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{
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// 如果有温度读取的话
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rd_temperature();
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Delay750ms();
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System_Init();
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Timer0Init();
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Set_Rtc(ucRtc);
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while (1)
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{
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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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} |