void virtual_kdb(char *pix,int vx,int vy)
{
int y,x,page=NPAGE==-1?0:50;
short unsigned coul=RGB565(28, 28, 31);
BKGCOLOR=(KCOL>0?0x8080:0);
for(x=0; x<NPLGN; x++) {
for(y=0; y<NLIGN; y++) {
DrawBoxBmp(pix,XBASE3+x*XSIDE,YBASE3+y*YSIDE, XSIDE,YSIDE, RGB565(7, 2, 1));
Draw_text(pix,XBASE0-2+x*XSIDE ,YBASE0+YSIDE*y,coul, BKGCOLOR ,2, 2,20,\
SHIFTON==-1?MVk[(y*NPLGN)+x+page].norml:MVk[(y*NPLGN)+x+page].shift);
}
}
DrawBoxBmp(pix,XBASE3+vx*XSIDE,YBASE3+vy*YSIDE, XSIDE,YSIDE, RGB565(31, 2, 1));
Draw_text(pix,XBASE0-2+vx*XSIDE ,YBASE0+YSIDE*vy,RGB565(2,31,1), BKGCOLOR ,2, 2,20,\
SHIFTON==-1?MVk[(vy*NPLGN)+vx+page].norml:MVk[(vy*NPLGN)+vx+page].shift);
}
void SDLGui_Text(int32_t x, int32_t y, const char *txt)
{
Draw_text(bmp,x,y,1,0,1,2,40,(char *)txt);
}
int main (int argc, char *argv[] )
{
int err = 0;
err = 0;
char buff[MAX_SIZE];
// FILE * ctt = fopen("CON", "w" );
// if (ctt) {
// freopen("CON", "w", stdout);
// freopen("con", "w", stderr);
// } else {
// fclose( ctt );
// }
//SDL libary
SDL_Surface *screen = NULL;
screen = InitXmlScr(".//cfg_files//cfg.xml");
int connection_sd = 0;
int reuse = -1;
socklen_t len = 0;
int count = 0;
char buf_recv[MAX_SIZE_BUFFER_RECV];
int port = SERVER_PORT;
int welcome_sd = 0;
struct sockaddr_in sa;
/* Bind the socket to the port, and allow all IP connect with it */
bzero(&sa,sizeof(struct sockaddr_in));
sa.sin_family = AF_INET;
sa.sin_port = htons(port);
sa.sin_addr.s_addr = htonl(INADDR_ANY);
//welcome_sd = socket(AF_INET, SOCK_STREAM, 0);
connection_sd = socket(AF_INET, SOCK_DGRAM, 0);
/* Elimitate the message "Address already in use" */
if (setsockopt(welcome_sd,SOL_SOCKET,SO_REUSEADDR, &reuse, sizeof(int))<0) {
printf("setsockopt, error, IP address already in use.");
}
do {
if (0==bind(connection_sd,(struct sockaddr *)&sa,sizeof(struct sockaddr_in))) {
// if (0==bind(welcome_sd,(struct sockaddr *)&sa,sizeof(struct sockaddr_in))) {
/* success for bind operation */
break;
} else {
printf("\nDatabase program attempts to bind port after 5 seconds.\n");
sleep(5);
continue;
}
} while (1);
listen(welcome_sd,BACKLOG);
SDL_Event g_Event;
T_Text bg_green_text_info;
T_Text bg_brown_text_info;
memset(&bg_green_text_info, 0, sizeof(T_Screen));
memset(&bg_brown_text_info, 0, sizeof(T_Screen));
// for background green
bg_green_text_info.size = 13;
bg_green_text_info.pos_mid = 0;
bg_green_text_info.bg_color = 0x2D6E32;
bg_green_text_info.fg_color = 0xFCFCFC;
strcpy(bg_green_text_info.font, "font_2.ttf");
strcpy(bg_green_text_info.path, ".//fonts//");
// for background brown
bg_brown_text_info.size = 13;
bg_brown_text_info.pos_mid = 0;
bg_brown_text_info.bg_color = 0x2D2200;
bg_brown_text_info.fg_color = 0xFCFCFC;
strcpy(bg_brown_text_info.font, "font_2.ttf");
strcpy(bg_brown_text_info.path, ".//fonts//");
T_Screen scr_info;
memset(&scr_info, 0, sizeof(T_Screen));
scr_info.width = 975;
scr_info.height = 580;
scr_info.bg_color = 0xFFFFFF;
scr_info.full_scr = 0;
scr_info.bpp = 32;
long cnt = 0;
do {
//adjust the sampling rate
if (SDL_PollEvent(&g_Event) == 0) {
SDL_Delay(200);
SDL_Flip(screen);
}
if (g_Event.type== SDL_QUIT) {
break;
}
if (g_Event.type==SDL_KEYDOWN && SDLK_ESCAPE == g_Event.key.keysym.sym) {
break;
}
int index;
int trans_addr;
float trans_pysical_value;
int trans_pysical_unit;
int wnic_addr;
float wnic_battery_capacity;
/*
if (( connection_sd = accept(welcome_sd,(struct sockaddr*)&sa,&len))<0) {
printf("Error happens when socket function <accept> is running. We will close the socket at once and delay 2 ms and restart.");
close(connection_sd);
sleep(2);
continue;
}
memset(buf_recv, 0, MAX_SIZE_BUFFER_RECV);
count = recv(connection_sd,buf_recv,MAX_SIZE_BUFFER_RECV,0);
if(0>count) {
printf("recv data, error.\n");
} else {
printf("%s\n", buf_recv);
}
close(connection_sd);
*/
fd_set readfd;
int recv_flag = 0;
struct timeval timeout;
struct sockaddr_in from_addr;
while(1) {
FD_ZERO(&readfd);
FD_SET(connection_sd, &readfd);
timeout.tv_sec = 2; //sec
timeout.tv_usec = 0; //mic sec
int ret = select(connection_sd+1, &readfd, NULL, NULL, &timeout);
switch(ret) {
case -1:
printf("select error!\n");
break;
case 0:
printf(".");
fflush(NULL);
break;
default:
if( FD_ISSET(connection_sd, &readfd) ) {
memset(buf_recv,0,MAX_SIZE_BUFFER_RECV);
ret = recvfrom(connection_sd, buf_recv, MAX_SIZE_BUFFER_RECV-1, 0, (struct sockaddr *)&from_addr, &len);
if(0 > ret) {
perror("Recvfrom UDP broadcast.");
break;
} else {
printf("\nMsg[%ld]: |%s|, from IP %s.\n", cnt++, buf_recv, inet_ntoa(from_addr.sin_addr));
recv_flag = 1;
}
}
break;
}
if (1==recv_flag){
recv_flag = 0;
break;
}
}
sscanf(buf_recv, "%d,%d,%f,%d,%d,%f",
&index,
&trans_addr,&trans_pysical_value,&trans_pysical_unit,
&wnic_addr, &wnic_battery_capacity);
//output to the computer display
//trans_addr
//index--;
if(0>=index){
index =0;
}
bg_green_text_info.start_point.x = X_HORIZON+10;
bg_green_text_info.start_point.y = Y_VERTICAL + index*Y_STEP;
memset(buff, 0, MAX_SIZE);
sprintf(buff, "[%d] %10d", index, trans_addr);
printf( "%d %d\n", index, trans_addr);
strncpy(bg_green_text_info.content, buff, strlen(buff)+1 );
err = Draw_text(screen, &bg_green_text_info, &scr_info);
//physical value
bg_brown_text_info.start_point.x = X_HORIZON + 220;
bg_brown_text_info.start_point.y = Y_VERTICAL + index*Y_STEP;
memset(buff, 0, MAX_SIZE);
sprintf(buff, "%f ", trans_pysical_value);
strncpy(bg_brown_text_info.content, buff, strlen(buff)+1 );
err = Draw_text(screen, &bg_brown_text_info, &scr_info);
//physical value unit
bg_brown_text_info.start_point.x = X_HORIZON + 370;
bg_brown_text_info.start_point.y = Y_VERTICAL + index*Y_STEP;
memset(buff, 0, MAX_SIZE);
if(11==trans_pysical_unit){
sprintf(buff, "%s", "Pa \0");
}
else if(254==trans_pysical_unit){
sprintf(buff, "%s", "KPa\0");
}
else{
sprintf(buff, "%s", "N/A\0");
}
strncpy(bg_brown_text_info.content, buff, strlen(buff)+1 );
err = Draw_text(screen, &bg_brown_text_info, &scr_info);
SDL_Flip(screen);
//Net address
bg_green_text_info.start_point.x = X_HORIZON+420;
bg_green_text_info.start_point.y = Y_VERTICAL + index*Y_STEP;
memset(buff, 0, MAX_SIZE);
sprintf(buff, "%d ", wnic_addr);
printf("%d", wnic_addr);
strncpy(bg_green_text_info.content, buff, strlen(buff)+1 );
err = Draw_text(screen, &bg_green_text_info, &scr_info);
//Battery Capacity
bg_brown_text_info.start_point.x = X_HORIZON + 610;
bg_brown_text_info.start_point.y = Y_VERTICAL + index*Y_STEP;
memset(buff, 0, MAX_SIZE);
sprintf(buff, "%.2f%%", wnic_battery_capacity);
strncpy(bg_brown_text_info.content, buff, strlen(buff)+1 );
err = Draw_text(screen, &bg_brown_text_info, &scr_info);
SDL_Flip(screen);
} while (1);
printf("==Press any key to end!\n");
return 0;
}