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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1664 | pj | 1 | #ifndef _SIM_AREA_HEADER_ |
| 2 | #include "sim_area.h" |
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| 3 | #endif |
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| 4 | |||
| 5 | char airport_name[25]; |
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| 6 | atc atcs[MAX_ATCS]; |
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| 7 | int INITATC=1; |
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| 8 | |||
| 9 | extern int num; |
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| 10 | void paint_sim_area() |
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| 11 | { |
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| 12 | int i,j; |
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| 13 | int temp_atc_id = 0; |
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| 14 | char temp[10]; |
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| 15 | |||
| 16 | sem_wait(&graphics_mutex); //take the graphics mutex |
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| 17 | for (i=0;i<=XMAX;) |
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| 18 | { |
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| 19 | //display the zones |
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| 20 | grx_line(XMIN+i, YMIN, XMIN+i, YMAX, blue); |
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| 21 | if (i<=YMAX) |
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| 22 | { |
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| 23 | grx_line(XMIN, YMIN+i, XMAX, YMIN+i, blue); |
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| 24 | } |
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| 25 | |||
| 26 | //display the ATCs |
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| 27 | for (j=0;j<YMAX-YMIN-1;) |
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| 28 | { |
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| 29 | if (i<XMAX-XMIN-1) |
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| 30 | { |
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| 31 | //set the ATC data only the first time |
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| 32 | if (INITATC==1) |
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| 33 | { |
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| 34 | atcs[(i+j)/GRID_SIZE].id = (temp_atc_id%4)+(j/GRID_SIZE*4); |
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| 35 | atcs[(i+j)/GRID_SIZE].x =XMIN+(GRID_SIZE/2+i); |
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| 36 | atcs[(i+j)/GRID_SIZE].y =YMIN+(GRID_SIZE/2+j); |
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| 37 | } |
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| 38 | //draw the ATCs everytime |
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| 39 | grx_circle(XMIN+(GRID_SIZE/2+i), YMIN+(GRID_SIZE/2+j), ATCSIZE, green); |
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| 40 | sprintf(temp,"ATC%d",atcs[(i+j)/GRID_SIZE].id); |
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| 41 | grx_text(temp,atcs[(i+j)/GRID_SIZE].x-ATCSIZE-5,atcs[(i+j)/GRID_SIZE].y-ATCSIZE/2, green,black); |
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| 42 | } |
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| 43 | j=j+GRID_SIZE; |
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| 44 | } |
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| 45 | temp_atc_id++; |
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| 46 | i=i+GRID_SIZE; |
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| 47 | } |
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| 48 | |||
| 49 | INITATC=0; //now the ATC IDs should not be initialized |
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| 50 | |||
| 51 | for (i=0;i<NUM_OF_AIRPORTS;i++) |
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| 52 | { |
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| 53 | //we do not use mutual exclusion on airpors because we are only reading it and it is not being modified by any other thread / task |
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| 54 | |||
| 55 | //display airports |
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| 56 | grx_box(airports[i].x-airports[i].airportsize, airports[i].y-airports[i].airportsize, airports[i].x+airports[i].airportsize,airports[i].y+airports[i].airportsize, white); |
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| 57 | grx_text(airports[i].airportname,airports[i].x-airports[i].airportsize/1.5, airports[i].y-airports[i].airportsize/3, blue, white); |
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| 58 | } |
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| 59 | sem_post(&graphics_mutex); |
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| 60 | |||
| 61 | } |
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| 62 | |||
| 63 | TASK draw_sim_area(void* arg) |
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| 64 | { |
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| 65 | do |
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| 66 | { |
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| 67 | mutex_lock(&mut_STARTSIM); |
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| 68 | if (!(STARTSIM==-1 || STARTSIM==0)) |
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| 69 | { |
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| 70 | paint_sim_area(); |
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| 71 | } |
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| 72 | mutex_unlock(&mut_STARTSIM); |
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| 73 | task_endcycle(); |
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| 74 | }while(1); |
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| 75 | } |
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| 76 | |||
| 77 | |||
| 78 | void init_simulation() |
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| 79 | { |
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| 80 | SOFT_TASK_MODEL sim_area; |
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| 81 | PID p; |
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| 82 | |||
| 83 | paint_sim_area(); //paint the simulation area and populate the ATC structure |
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| 84 | |||
| 85 | soft_task_default_model(sim_area); |
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| 86 | soft_task_def_level(sim_area,1); |
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| 87 | soft_task_def_ctrl_jet (sim_area); |
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| 88 | soft_task_def_arg (sim_area, (void *)1); |
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| 89 | soft_task_def_period (sim_area, DRAWSIMAREAPERIOD); |
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| 90 | soft_task_def_met (sim_area, DRAWSIMAREAWCET); |
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| 91 | soft_task_def_usemath (sim_area); |
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| 92 | p = task_create("ref_Sim", draw_sim_area, &sim_area, NULL); |
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| 93 | |||
| 94 | if (p == NIL) |
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| 95 | { |
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| 96 | grx_close(); |
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| 97 | perror("Could not create task <Sim_Area>"); |
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| 98 | sys_abort(1); |
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| 99 | } |
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| 100 | task_activate(p); |
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| 101 | } |