bournechen的专栏

<br />      unsigned char *fmem;<br />      int FrameBufferFD;<br /> <br />      FrameBufferFD = open("/dev/fb0", O_RDWR);<br />      if (FrameBufferFD < 0)<br />      {<br />           fprintf(stderr, "Error opening /dev/fb0/n");<br />           return (-

<br /> if ((infile = fopen(jpg_filename, "rb")) == NULL) <br />{<br />     fprintf(stderr, "open %s failed/n", jpg_filename);<br />     return(-1);<br />} <br /> /*<br />   init jpeg decompress object error handler<br />  */<br /> cinfo.err = jpeg_std_erro

<br />unsigned short RGB888toRGB565(unsigned char red, unsigned char green, unsigned char blue)<br />{<br />       unsigned short  B = (blue >> 3) & 0x001F;<br />       unsigned short  G = ((green >> 2) << 5) & 0x07E0;<br />       unsigned short  R = ((red

<br />接收消息<br />struct message<br />{<br /> long msg_type;<br /> char msg_text[BUFFER_SIZE];<br />};<br />int messagereceive(char *jpg_filename,int qid)<br />{<br /> struct message msg;<br /> memset(msg.msg_text,0,BUFFER_SIZE);<br /> if (msgrcv(qid, (void*

<br />#ifndef SEARCH_NODE_H<br />#define SEARCH_NODE_H<br />struct search_node<br />{<br /> char filename[64];<br /> struct search_node *next;<br />};<br />typedef struct search_node SEARCH_NODE;<br />#endif<br /> <br /> <br />int search_files(const unsign