u8 moshi=0; u16 humi_l = 35; u16 humi_h = 80; u8 pwm_left = 0; //变量定义pwmval_left 并初始化为0.用于小车的PWM调速 u8 pwm_right = 0; //变量定义pwmval_right并初始化为0.用于小车的PWM调速 u8 pwm_left_init = 6; //左电机占空比调节,调节此值可调节小车速度。 u8 pwm_right_init = 6; //右电机占空比调节
时间: 2024-04-03 14:37:23 浏览: 12
这段代码是关于小车的控制,其中moshi是一个无符号8位整型变量,humi_l和humi_h是无符号16位整型变量,用于记录湿度的最小和最大值。pwm_left和pwm_right是无符号8位整型变量,用于控制小车的左右电机的PWM调速。pwm_left_init和pwm_right_init是无符号8位整型变量,用于调节左右电机的占空比,以控制小车的速度。
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#include "led.h" #include "delay.h" #include "sys.h" #include "usart.h" #include "oled.h" #include "key.h" #include "adc.h" #include "ds18b20.h" #include "usart2.h" #include "sim800c.h" #include "timer.h" u8 GSM_receive[60]; u8 moshi=0; u16 temp_l = 35; u16 temp_h = 100; u8 bf_flag = 0; u8 bf_flag_n = 0; void Key_process() { u8 t=0; u8 t1=0; t=KEY_Scan(0); //得到键值 t1=KEY_Scan(1); //得到键值 if(t==KEY0_PRES) { OLED_Clear(); moshi++; if(moshi>=3) moshi = 0; if(moshi==0) { OLED_ShowStr(16, 8,"温度: . C ",16); OLED_ShowStr(16,24,"烟雾: PPM ",16); OLED_ShowStr(16,40,"人体: ",16); } else if(moshi==1) { OLED_ShowStr(16,24,"温度上限: ",16); } else if(moshi==2) { OLED_ShowStr(16,24,"烟雾上限: ",16); } }
这段代码包含了多个头文件和变量的声明。其中有控制 OLED 显示屏、按键扫描、ADC 模块、DS18B20 温度传感器、SIM800C 模块等的头文件。还有一些变量的声明,如温度上限、温度下限、烟雾上限等。
函数 Key_process() 实现了按键的功能。通过获取键值,控制 OLED 显示屏显示不同的信息,如温度、烟雾、人体等,以及对温度上限和烟雾上限进行设置。同时,如果按下 KEY3 按键,则会触发警报功能,即控制 LED 灯亮起,并设置报警标志位。
此外,该代码还包含了其他模块的函数调用,如定时器、串口等。
u16 i=0; while(time--) { i=12000; while(i--) ; } } extern u8 moshi;
It seems that the code fragment declares a variable named "i" of type "unsigned 16-bit integer," and then enters a loop that decrements a variable named "time" until it reaches zero. Inside that loop, another loop is executed that decrements "i" until it reaches zero. The purpose of this code is unclear without additional context.
The code also declares a variable named "moshi" of type "unsigned 8-bit integer," but it is not used in this code fragment.