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找别人做公司网站第一步做什么,免费网站推广软件,新品手机上市,专业网站设计开发公司鼠标坏掉了，大抵是修不好了。（全剧终—） 但是爱动手的小明不会浪费这个鼠标，确认外观没有明显烧毁痕迹后，尝试从电路板上利用光电传感器进行位移的测量，光电传感器（型号：FCT3065&am…

鼠标坏掉了，大抵是修不好了。（全剧终—）

但是爱动手的小明不会浪费这个鼠标，确认外观没有明显烧毁痕迹后，尝试从电路板上利用光电传感器进行位移的测量，光电传感器（型号：FCT3065）找不到datasheet，但查到内核仿的是PAW3205, 因此只需要参考后者的datasheet即可。

通过电路板的led找到LED引脚，确定引脚信息，开始操作

首先去掉鼠标主控芯片，然后飞线将vdd连接到电源正极，注意供电不能高于3.6v，再焊接4根杜邦线，引出SDIO、SCLK、电源正负极即可，盖上盖子，测试！

/*Program to interface FCT3065-XY Optical MouseSensor with Arduino.This code detects when mouse is moved and alsoprints the change in x direction and change in ydirection in the serial monitor.Author: Vineet SukhthankerDate: 6 October 2020*///Register Addresses from datasheet
#define PROD_ID1 0x00
#define PROD_ID2 0x01
#define MOTION_STATUS 0X02
#define DEL_X 0x03
#define DEL_Y 0x04
#define OP_MODE 0x05
#define CONF 0x06
#define IMG_QUALITY 0x07
#define OP_STATE 0x08
#define W_PROTECT 0x09
#define SLEEP1_SET 0x0A
#define ENTER_TIME 0x0B
#define SLEEP2_SET 0x0C
#define IMG_THRESHOLD 0x0D
#define IMG_RECOG 0x0Econst int SCLK = 13;
const int SDIO = 12;byte noSleep = 0xA0;int i = 0;
void setup() {Serial.begin(115200);pinMode (SCLK, OUTPUT);mouseInit();byte prodId1 = readRegister(PROD_ID1);Serial.print((prodId1 == 0x31) ? "\nDevice OK" : "\nUnknown Device"); // checks for product IDSerial.print(prodId1);
}void loop() {int motion = readRegister(MOTION_STATUS); // read motion status register// if(motion==0x81){Serial.print("\nMoved!");Serial.print(motion);int8_t delta_x = readRegister(DEL_X); // read delta x registerint8_t delta_y = readRegister(DEL_Y); // read delta y registerSerial.print("\nX:");Serial.print(delta_x);Serial.print(" Y:");Serial.print(delta_y);//}delay(1000);
}void mouseInit(void) // function to initialize optical sensor.
{digitalWrite(SCLK, HIGH);digitalWrite(SCLK, LOW);delayMicroseconds(1); // tRESYNC = 1us (mentioned in datasheet)digitalWrite(SCLK, HIGH);delay(320); // tSIWTT = 320ms (mentioned in datasheet)digitalWrite(SCLK, LOW);writeRegister(OP_MODE, noSleep); // disable sleep mode
}byte readRegister(byte address) {pinMode (SDIO, OUTPUT);for (byte i = 128; i > 0 ; i >>= 1) {digitalWrite (SCLK, LOW);digitalWrite (SDIO, (address & i) != 0 ? HIGH : LOW);digitalWrite (SCLK, HIGH);}pinMode (SDIO, INPUT);delayMicroseconds(3); // tHOLD = 3us (mentioned in datasheet)byte res = 0;for (byte i = 128; i > 0 ; i >>= 1) {digitalWrite (SCLK, LOW);digitalWrite (SCLK, HIGH);if ( digitalRead (SDIO) == HIGH )res |= i;}delayMicroseconds(3); // tHOLD = 3us min. (mentioned in datasheet)return res;
}void writeRegister(byte address, byte data) {address |= 0x80; // MSB indicates write mode.pinMode (SDIO, OUTPUT);for (byte i = 128; i > 0 ; i >>= 1) {digitalWrite (SCLK, LOW);digitalWrite (SDIO, (address & i) != 0 ? HIGH : LOW);digitalWrite (SCLK, HIGH);}for (byte i = 128; i > 0 ; i >>= 1) {digitalWrite (SCLK, LOW);digitalWrite (SDIO, (data & i) != 0 ? HIGH : LOW);digitalWrite (SCLK, HIGH);}delayMicroseconds(100);
}

效果如图，x和y坐标分别向下向右为正，寄存器补码形式存储8位位移量