// filename serial.c
// slave file used to respond to poll from master
// update percentage number in the bottom of the screen
// draw random lines to screen everytime it receives a packet from the master
// clear screen every 100th packet receive
// by Sonny Cruz 2/24/03
//
// program flow
// loop

#include <cybiko.h>
#include <cywin.h>

#define MY_APP (MSG_USER + 1)
#define CYBIKO_MASTER 0x0004A1E8

// global variables
char buffer[8];
char str[30];
struct module_t mainModule;
char dummy = 0;
int counter = 0;
struct cProgressBar cPB;

void drawLine() {
   int startX, startY, endX, endY;
   color_t color;

   // get start position
   startX = (int) random(SCREEN_WIDTH);
   startY = (int) random(SCREEN_HEIGHT);

   // get end position
   endX = (int) random(SCREEN_WIDTH);
   endY = (int) random(SCREEN_HEIGHT);

   // get color
   color = (color_t) random(4);
   switch (color) {
      case 0 : color = CLR_WHITE;  break;
      case 1 : color = CLR_LTGRAY; break;
      case 2 : color = CLR_DKGRAY; break;
      case 3 : color = CLR_BLACK;  break;
   }

   // draw the line
   DisplayGraphics_set_color(mainModule.m_gfx, color);
   DisplayGraphics_draw_line(mainModule.m_gfx, startX, startY, endX, endY);
   DisplayGraphics_show(mainModule.m_gfx);
}

// start of main
long main(int argc, char* argv[], bool start) {
   struct Message* ptrMessage;

   dummy = 0;
   init_module(&mainModule);

   // construct a progress bar
   cProgressBar_ctor(&cPB, 30, 0, 100, cool_normal_font, CLR_WHITE, CLR_BLACK, 20);

   // add progress bar to screen
   cWinApp_AddObj(mainModule.m_process, &cPB, (SCREEN_WIDTH/2)-15, SCREEN_HEIGHT-20);

   // set up font
   DisplayGraphics_set_font(mainModule.m_gfx, mini_normal_font);
   cWinApp_clear_screen();

   while (TRUE) {
      ptrMessage = cWinApp_get_message(mainModule.m_process, 0, 1, MY_APP);
      if (ptrMessage) { 
         switch(ptrMessage->msgid) {
            case MY_APP :
                          Buffer_load(Message_get_buffer(ptrMessage), buffer, 0, 8);
                          dummy++;
                          buffer[3] = dummy;
                          if (counter++ > 100){ 
                             counter = 0;
                             cWinApp_clear_screen();
                          }
                          cProgressBar_SetCurrentPos(&cPB, counter);
                          drawLine();
                          send_remote_msg(CYBIKO_MASTER, "serial", MY_APP,
                                          0L, 0L, buffer, 8);
                          break;

            default : 
                      cWinApp_defproc(mainModule.m_process, ptrMessage);
         }
         // delete message after processing
         Message_delete(ptrMessage);
      }
   }
   cProgressBar_dtor(&cPB, LEAVE_MEMORY);
   return 0L;
}