完成time3设置,用于提供系统时间
This commit is contained in:
4
.vscode/settings.json
vendored
4
.vscode/settings.json
vendored
@ -3,6 +3,8 @@
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"iic.h": "c",
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"config.h": "c",
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"ina226.h": "c",
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"oled12864_drv.h": "c"
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"oled12864_drv.h": "c",
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"delay.h": "c",
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"timer.h": "c"
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}
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}
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@ -1,6 +1,6 @@
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#include "iic.h"
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// 延时函数(2us)
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// 延时函数(1us)
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void
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IIC_Delay (void)
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{
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@ -1,7 +1,46 @@
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#include "timer4.h"
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#include "timer.h"
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// 初始化所有定时器
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void
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Timer_Init (void)
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{
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Timer3_Init (); // 定时器3初始化
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Timer4_Init (); // 定时器4初始化
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}
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// 定时器3
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uint32_t uptime = 0;
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uint8_t time3_cnt = 0;
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// 定时器3初始化
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void
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Timer3_Init (void) // 10毫秒@30.000MHz
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{
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T4T3M &= 0xFD; // 定时器时钟12T模式
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T3L = 0x58; // 设置定时初始值
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T3H = 0x9E; // 设置定时初始值
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T4T3M |= 0x08; // 定时器3开始计时
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IE2 |= 0x20; // 使能定时器3中断
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}
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// 定时器3的中断服务
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void
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Timer3_Isr (void) interrupt 19
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{
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time3_cnt++;
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if (time3_cnt >= 100)
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{
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uptime++;
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time3_cnt = 0;
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}
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}
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// 获取系统时间(单位:秒)
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uint32_t
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GetUpTime (void)
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{
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return uptime;
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}
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// 定时器4
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u8 Timer4_OF = 0; // 定时器4溢出标志
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// 定时器4初始化(16位自动重载模式)
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void
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Timer4_Init (void)
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23
Driver/timer.h
Normal file
23
Driver/timer.h
Normal file
@ -0,0 +1,23 @@
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#ifndef __TIMER_H__
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#define __TIMER_H__
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#include <STC15.H>
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#include "config.h"
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// #define FOSC 30000000UL // 系统时钟30MHz
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// 初始化所有Timer
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void Timer_Init (void);
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// Timer3 用于记录系统运行时间
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void Timer3_Init (void);
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uint32_t GetUpTime (void);
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// Timer4 用于短时间延时
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void Timer4_Init (void);
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void Timer4_DelayUs (u16 us);
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void Timer4_DelayMs (u16 ms);
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void Timer4_Stop (void);
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#endif
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@ -1,14 +0,0 @@
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#ifndef __TIMER4_H__
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#define __TIMER4_H__
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#include "config.h"
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#include <STC15.H>
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// #define FOSC 30000000UL // 系统时钟30MHz
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void Timer4_Init (void);
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void Timer4_DelayUs (u16 us);
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void Timer4_DelayMs (u16 ms);
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void Timer4_Stop (void);
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#endif
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22
Lib/KeyScan.c
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22
Lib/KeyScan.c
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@ -0,0 +1,22 @@
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#include "KeyScan.h"
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void main() {
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Key_Init(); // 初始化按键模块
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Timer0_Init(); // 配置1ms定时器
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while(1) {
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// 在定时器中断服务例程中调用Key_Scan()
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if(Get_KeyEvents()) {
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// 执行按键处理逻辑
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uint8_t keys = Get_KeyEvents();
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if(keys & 0x08) { /* KEY1处理 */ }
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if(keys & 0x04) { /* KEY2处理 */ }
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// ...其他按键处理
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}
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}
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}
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// // Timer0中断服务函数
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// void Timer0_ISR() interrupt 1 {
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// Key_Scan(); // 定时扫描按键
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// }
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16
Lib/KeyScan.h
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16
Lib/KeyScan.h
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@ -0,0 +1,16 @@
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/* KeyScan.h - 按键模块接口 */
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#ifndef __KEY_SCAN_H__
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#define __KEY_SCAN_H__
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// 按键引脚定义(与硬件布局一致)
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sbit KEY1 = P3^0;
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sbit KEY2 = P3^1;
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sbit KEY3 = P3^2;
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sbit KEY4 = P3^3;
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// 函数声明
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void Key_Init(void);
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void Key_Scan(void);
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uint8_t Get_KeyEvents(void);
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#endif
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@ -2,7 +2,7 @@
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#define __DELAY_H__
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#include "config.h"
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#include "timer4.h"
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#include "timer.h"
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void Delay_Init (void);
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void DelayUs (u16 us);
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29
Src/main.c
29
Src/main.c
@ -26,54 +26,38 @@ main ()
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u16 ina226_current = 0;
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u16 ina226_power = 0;
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u16 loop_counter = 0;
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SystemClock_Init (); // 时钟配置
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Timer_Init (); // 初始化定时器
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EA = 1; // 开总中断
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Delay_Init ();
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Uart1_Init ();
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printf ("IIC_Init()\r\n");
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IIC_Init ();
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printf ("OLED_Init()\r\n");
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OLED_Init ();
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printf ("INA226_Init()\r\n");
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INA226_Init (0.005f, 2.0f);
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DelayMs (100); // 初始化延时
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printf ("OLED_ShowPrintf()\r\n");
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OLED_ShowPrintf (0, 0, "Hello, oWorld!", OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
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OLED_ShowPrintf (0, 0, "Hello, World!", OLED_FONT_EIGHT, OLED_LEFT_ROLL,
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OLED_SHOW);
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OLED_ShowPrintf (0, 2, "Hello, 2World!", OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
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OLED_CLS);
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OLED_ShowPrintf (0, 4, "Hello, 4Wo4rld!", OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
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OLED_CLS);
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P2M1 &= 0xFE; // P20为推挽输出
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P2M0 |= 0x01;
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P20 = 1; // P20为推挽输出
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OLED_ShowNum (4, 4, 123456789, 10, OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
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OLED_SHOW);
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while (1)
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{
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loop_counter++;
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OLED_ShowNum (8, 0, loop_counter, 10, OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
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OLED_ShowNum (4, 1, GetUpTime (), 10, OLED_FONT_EIGHT, OLED_LEFT_ROLL,
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OLED_SHOW);
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ina226_voltage = (int16_t)(INA226_ReadBusVoltage () * 1000);
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OLED_ShowNum (4, 2, ina226_voltage, 10, OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
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OLED_SHOW);
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OLED_ShowNum (4, 2, ina226_voltage, 10, OLED_FONT_SIXTEEN,
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OLED_LEFT_ROLL, OLED_SHOW);
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ina226_current = (int16_t)(INA226_ReadCurrent () * 1000);
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OLED_ShowNum (4, 4, ina226_current, 10, OLED_FONT_SIXTEEN,
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@ -83,8 +67,7 @@ main ()
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OLED_ShowNum (4, 6, ina226_power, 10, OLED_FONT_SIXTEEN, OLED_LEFT_ROLL,
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OLED_SHOW);
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DelayMs (1000);
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DelayMs (500);
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}
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}
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