#define YP A2 // must be an analog pin, use "An" notation! #define XM A1 // must be an analog pin, use "An" notation! #define YM 6 // can be a digital pin #define XP 7 // can be a digital pin #define TS_MINX 150 #define TS_MINY 120 #define TS_MAXX 850 #define TS_...
#define YP A2 // must be an analog pin, use "An" notation! #define XM A1 // must be an analog pin, use "An" notation! #define YM 6 // can be a digital pin #define XP 7 // can be a digital pin #define TS_MINX 150 #define TS_MINY 120 #define TS_MAXX 850 #define TS_...
还有一种情况也常用预处理,就是一个程序有很多为了debug而设定的串口打印,这些语句没必要上传到单片机里,也很占地方,此时就可以在程序开头设置 #define DEBUG 程序里,在需要将来不打印的串口打印处增加下面的语句: 这样,程序前面删除#define DEBUG 这一条语句,或将其值调整为0,程序里所有的#if DEBUG判断都为假,...
//在该代码首位置,需要定义我们需要输出的IO,例如#defineLED_BUILTIN 2//定义数字IO 2的名字为led// the setup function runs once when you press reset or power the boardvoidsetup(){// initialize digital pin LED_BUILTIN as an output.pinMode(LED_BUILTIN,OUTPUT);}// the loop function runs ove...
#define Button 7 //定义拍照按钮针脚为7 int ButtonVal=0; //变量ButtonVal用来存储拍照按钮状态 #if ARDUINO >= 100 // 定义虚拟串口,对于Uno板摄像头TX脚连到Digital pin 2, 摄像头RX脚连到Digital pin 3: SoftwareSerial cameraconnection = SoftwareSerial(2, 3); ...
#define YP A2 // must be an analog pin, use "An" notation! #define XM A1 // must be an analog pin, use "An" notation! #define YM 6 // can be a digital pin #define XP 7 // can be a digital pin #define TS_MINX 150 ...
OUT -[connects to digital input] VIN – [connects to 5v] */ #include <VirtualWire.h> #define PIN_RADAR 2 #define PIN_TX 9 #define PIN_LED 13 void setup() { Serial.begin(9600); pinMode(PIN_LED, OUTPUT); vw_set_tx_pin(PIN_TX); // Arduino pin to connect the receiver data pin...
const int LED = 3; //define digital pin 3 as LED output void setup() { //Pin Configurations pinMode(LED, OUTPUT); //configure the LED pin as an Output } void loop() { //Flash a LED on and off every second digitalWrite(LED, HIGH); //Turn LED on for 1/2 a second ...
#define LED_PIN 6 // digital pin used to drive the LED strip #define LED_COUNT 64 // number of LEDs on the strip WS2812FX ws2812fx = WS2812FX(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800); voidsetup() { Serial.begin(115200); ...
#define LCD_WR A1 #define LCD_RS A2 #define LCD_CS A3 #define LCD_REST A4 //实现总线写入的最底层操作。在该函数调用前需设定好REST,RD,RS,CS提前置高。在SETUP主体中可以看到。 void Lcd_Writ_Bus(unsigned char d) { PORTD = (PORTD & B00000011) | ((d) & B11111100); //将d的2-7...