初始提交：龙芯2K0300智能车卖家Demo完整代码

src/serial.cpp

@@ -0,0 +1,40 @@
+#include "serial.h"
+
+char vofa_buffer[64];
+
+bool vofa_justfloat(int CH_count)
+{
+    const unsigned char tail[4]{0x00, 0x00, 0x80, 0x7f};
+    std::string path = "/dev/ttyS0";
+    std::ofstream file(path);
+    if (!file.is_open())
+    {
+        std::cerr << "Error opening file: " << path << std::endl;
+        return false;
+    }
+    file.write((char *)vofa_buffer, CH_count * 4);
+    file.write((char *)tail, sizeof(tail));
+    file.close();
+    return true;
+}
+
+bool vofa_image(int IMG_ID, int IMG_SIZE, int IMG_WIDTH, int IMG_HEIGHT, ImgFormat IMG_FORMAT, char *image)
+{
+    int preFrame[7] = {0, 0, 0, 0, 0, 0x7F800000, 0x7F800000};
+    preFrame[0] = IMG_ID;     // 此ID用于标识不同图片通道
+    preFrame[1] = IMG_SIZE;   // 图片数据大小
+    preFrame[2] = IMG_WIDTH;  // 图片宽度
+    preFrame[3] = IMG_HEIGHT; // 图片高度
+    preFrame[4] = IMG_FORMAT; // 图片格式
+    std::string path = "/dev/ttyS0";
+    std::ofstream file(path);
+    if (!file.is_open())
+    {
+        std::cerr << "Error opening file: " << path << std::endl;
+        return false;
+    }
+    file.write((char *)preFrame, sizeof(preFrame));
+    file.write((char *)image, IMG_SIZE);
+    file.close();
+    return true;
+}