writecommand(uint8_t c) //Send an 8 bit command to the TFT examples/320 x 240/TFTwidth(_Matrix/TFT_Matrix.inowritedata(uint8_t d) //Send a 8 bit data value to the TFTreadcommand8(uint8_t cmd_function, uint8_t index) //Read a 8 bit data value from an indexed command registe...
9600);}void loop(){// Set buffer to size of expected messageuint8_t buf[11];uint8_t buf...
void drawPixel(uint16_t x, uint16_t y, uint16_t color);绘制线 你也可以画一条线,指定起点和终点和颜色:void drawLine(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color);对于水平或垂直的线,有优化的线绘制功能,避免角计算:...
问使用Arduino串行监视器和嵌套循环与不同的外围设备通信EN一、安装树莓派及arduino开发环境 搭建树莓派...
uint8_t m = 24; void loop(void) { char m_str[3]; strcpy(m_str, u8x8_u8toa(m, 2)); /* convert m to a string with two digits */ u8g2.firstPage(); do { u8g2.setFont(u8g2_font_logisoso62_tn); u8g2.drawStr(0, 63, "6"); ...
String ip = ""; bool startsend = HIGH; uint8_t mac[6] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x07}; volatile int i=0; // Variable to use as a counter volatile as it is in an interrupt volatile boolean zero_cross=0; // Boolean to store a "switch" to tell us if we have...
void drawLine(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t color); 对于水平或垂直的线,有优化的线绘制功能,避免角计算: void drawFastVLine(uint16_t x0, uint16_t y0, uint16_t length, uint16_t color); void drawFastHLine(uint8_t x0, uint8_t y0, uint8_...
uint8_t *buff; uint8_t bytesToRead = min(32, jpglen); buff = cam.readPicture(bytesToRead); // Write the image data to the file imgFile.write(buff, bytesToRead); jpglen -= bytesToRead; } // Safely close the file imgFile.close(); ...
uint8_t m = 24; void loop(void) { char m_str[3]; strcpy(m_str, u8x8_u8toa(m, 2)); /* convert m to a string with two digits */ u8g2.firstPage(); do { u8g2.setFont(u8g2_font_logisoso62_tn); u8g2.drawStr(0, 63, "6"); u8g2.drawStr(33, 63, ":"); u8g2...
String(byteArray); //Original String String string = "hello world"; //Convert to byte[]...byte[] bytes = string.getBytes(); //Convert back to String String s = new String(bytes); //Check...:使用String类的静态方法valueOf() byte[] byteArray = {65, 66, 67, 68}; String str =...