arduino测距程序编译出错

element115mc

第一次玩arduino，想做个测距仪，预期效果：开屏显示“Made by element115mc”,隔2秒刷新一次距离。
结果程序怎么也写不进去，但是随便挑一个示例写进去都行

系统：Windows10企业版
Arduino版本：1.8.9
开发板：UNO
要搭配的外设： LCD1602A、US-025超声波模块（可兼容HC-SR04）
CH340驱动：已安装
错误信息：
Arduino:1.8.9 (Windows 10), 开发板："Arduino/Genuino Uno"

D:\arduino\arduino-builder -dump-prefs -logger=machine -hardware D:\arduino\hardware -tools D:\arduino\tools-builder -tools D:\arduino\hardware\tools\avr -built-in-libraries D:\arduino\libraries -libraries d:\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10809 -build-path C:\Users\ADMINI~1\AppData\Local\Temp\arduino_build_927525 -warnings=all -build-cache C:\Users\ADMINI~1\AppData\Local\Temp\arduino_cache_401094 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=D:\arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.2.1.path=D:\arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=D:\arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-5.4.0-atmel3.6.1-arduino2.path=D:\arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=D:\arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino14.path=D:\arduino\hardware\tools\avr -verbose D:\desktop\sketch_dec30a\sketch_dec30a.ino
D:\arduino\arduino-builder -compile -logger=machine -hardware D:\arduino\hardware -tools D:\arduino\tools-builder -tools D:\arduino\hardware\tools\avr -built-in-libraries D:\arduino\libraries -libraries d:\Documents\Arduino\libraries -fqbn=arduino:avr:uno -vid-pid=1A86_7523 -ide-version=10809 -build-path C:\Users\ADMINI~1\AppData\Local\Temp\arduino_build_927525 -warnings=all -build-cache C:\Users\ADMINI~1\AppData\Local\Temp\arduino_cache_401094 -prefs=build.warn_data_percentage=75 -prefs=runtime.tools.arduinoOTA.path=D:\arduino\hardware\tools\avr -prefs=runtime.tools.arduinoOTA-1.2.1.path=D:\arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc.path=D:\arduino\hardware\tools\avr -prefs=runtime.tools.avr-gcc-5.4.0-atmel3.6.1-arduino2.path=D:\arduino\hardware\tools\avr -prefs=runtime.tools.avrdude.path=D:\arduino\hardware\tools\avr -prefs=runtime.tools.avrdude-6.3.0-arduino14.path=D:\arduino\hardware\tools\avr -verbose D:\desktop\sketch_dec30a\sketch_dec30a.ino
Using board 'uno' from platform in folder: D:\arduino\hardware\arduino\avr
Using core 'arduino' from platform in folder: D:\arduino\hardware\arduino\avr
Detecting libraries used...
"D:\\arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10809 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-ID:\\arduino\\hardware\\arduino\\avr\\cores\\arduino" "-ID:\\arduino\\hardware\\arduino\\avr\\variants\\standard" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_927525\\sketch\\sketch_dec30a.ino.cpp" -o nul
"D:\\arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10809 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-ID:\\arduino\\hardware\\arduino\\avr\\cores\\arduino" "-ID:\\arduino\\hardware\\arduino\\avr\\variants\\standard" "-ID:\\arduino\\libraries\\LiquidCrystal\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_927525\\sketch\\sketch_dec30a.ino.cpp" -o nul
"D:\\arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10809 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-ID:\\arduino\\hardware\\arduino\\avr\\cores\\arduino" "-ID:\\arduino\\hardware\\arduino\\avr\\variants\\standard" "-ID:\\arduino\\libraries\\LiquidCrystal\\src" "D:\\arduino\\libraries\\LiquidCrystal\\src\\LiquidCrystal.cpp" -o nul
Generating function prototypes...
"D:\\arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10809 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-ID:\\arduino\\hardware\\arduino\\avr\\cores\\arduino" "-ID:\\arduino\\hardware\\arduino\\avr\\variants\\standard" "-ID:\\arduino\\libraries\\LiquidCrystal\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_927525\\sketch\\sketch_dec30a.ino.cpp" -o "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_927525\\preproc\\ctags_target_for_gcc_minus_e.cpp"
"D:\\arduino\\tools-builder\\ctags\\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_927525\\preproc\\ctags_target_for_gcc_minus_e.cpp"
正在编译项目...
"D:\\arduino\\hardware\\tools\\avr/bin/avr-g++" -c -g -Os -Wall -Wextra -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -MMD -flto -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10809 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR "-ID:\\arduino\\hardware\\arduino\\avr\\cores\\arduino" "-ID:\\arduino\\hardware\\arduino\\avr\\variants\\standard" "-ID:\\arduino\\libraries\\LiquidCrystal\\src" "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_927525\\sketch\\sketch_dec30a.ino.cpp" -o "C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\arduino_build_927525\\sketch\\sketch_dec30a.ino.cpp.o"
D:\desktop\sketch_dec30a\sketch_dec30a.ino:1:27: warning: extra tokens at end of #include directive

#include <LiquidCrystal.h>;

                           ^

In file included from C:\Users\ADMINI~1\AppData\Local\Temp\arduino_build_927525\sketch\sketch_dec30a.ino.cpp:1:0:

D:\desktop\sketch_dec30a\sketch_dec30a.ino: In function 'void loop()':

D:\arduino\hardware\arduino\avr\cores\arduino/Arduino.h:41:14: error: expected unqualified-id before numeric constant

#define LOW  0x0

              ^

D:\desktop\sketch_dec30a\sketch_dec30a.ino:25:21: note: in expansion of macro 'LOW'

   digitalWrite(Trig.LOW);

                     ^

使用 1.0.7  版本的库 LiquidCrystal 在文件夹： D:\arduino\libraries\LiquidCrystal
exit status 1
为开发板 Arduino/Genuino Uno 编译时出错。


源代码：

1. #include <LiquidCrystal.h>;
   
2. #define LM35 A0;
   
3. #define Trig 8
   
4. #define Echo 9
   
5. float cm;
   
6. LiquidCrystal lcd(12,11,5,4,3,2);
   
7. int val = 0;
   
8. float Temp = 0;
   
9. 
   
10. void setup() {
    
11.   lcd.begin(16,2);
    
12.   lcd.setCursor(0,0);
    
13.   lcd.print("Made by");
    
14.   lcd.setCursor(0,1);
    
15.   lcd.print("element115mc");
    
16.   delay(2000);
    
17.   lcd.clear();
    
18.   pinMode(Trig,OUTPUT);
    
19.   pinMode(Echo,INPUT);
    
20. }
    
21. 
    
22. 
    
23. 
    
24. void loop() {
    
25.   digitalWrite(Trig.LOW);
    
26.   delayMicroseconds(2);
    
27.   digitalWrite(Trig,HIGH);
    
28.   delayMicroseconds(10);
    
29.   digitalWrite(Trig,LOW);
    
30.   Temp = float(pulseIn(Echo,HIGH));
    
31.   cm = (Temp*17)/1000;
    
32.   lcd.setCursor(0,0);
    
33.   lcd.print(cm);
    
34.   lcd.setCursor(0,1);
    
35.   lcd.print("centmeter");
    
36.   delay(2000);
    
37.   
    
38. 
    
39. }

复制代码

XlinliY.Zhang

第25行的逗号写成了个点

element115mc

XlinliY.Zhang 发表于 2020-12-30 15:29
第25行的逗号写成了个点

感谢大佬帮助，程序已成功写入开发板