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draw.cpp
00001 00002 #include "draw.h" 00003 #include "mbed.h" 00004 #include "math.h" 00005 00006 00007 00008 PwmOut myServoX(D3); 00009 PwmOut myServoY(D4); 00010 PwmOut myServoZ(D5); 00011 00012 uint8_t posx_old=0; // posición anterior del eje X 00013 uint8_t posy_old=0; // posición anterior del eje Y 00014 uint8_t ss_time=100; // tiempo de espera para moverse 1 mm en microsegundos 00015 00016 void put_sstime(uint8_t vtime){ 00017 ss_time=vtime; 00018 00019 } 00020 00021 int coord2us(float coord) 00022 { 00023 if(0 <= coord <= MAXPOS) 00024 return int(coord*30+500);// u6 00025 return 500; 00026 } 00027 00028 void sstime(uint8_t x, uint8_t y) 00029 { 00030 double dx=abs(x-posx_old); 00031 double dy=abs(y-posy_old); 00032 double dist= sqrt(dx*dx+dy*dy); 00033 wait_ms((int)(ss_time*dist)); 00034 posx_old =x; 00035 posy_old=y; 00036 00037 } 00038 00039 00040 void draw(){ 00041 myServoZ.pulsewidth_us(coord2us(MAXPOS)); 00042 wait_ms(ss_time*4); 00043 } 00044 00045 void nodraw(){ 00046 myServoZ.pulsewidth_us(coord2us(POSDRAW)); 00047 wait_ms(ss_time*4); 00048 } 00049 00050 00051 void vertex2d(uint8_t x, uint8_t y){ 00052 00053 int pulseX = coord2us(x); 00054 int pulseY = coord2us(y); 00055 00056 myServoX.pulsewidth_us(pulseX); 00057 myServoY.pulsewidth_us(pulseY); 00058 00059 sstime(x,y); 00060 00061 } 00062 00063 void initdraw(float x, float y){ 00064 vertex2d (x,y); 00065 draw(); 00066 } 00067 00068 void home(){ 00069 nodraw(); 00070 vertex2d(0 ,0); 00071 } 00072 00073 00074 00075 void init_servo() 00076 { 00077 myServoX.period_ms(20); 00078 myServoY.period_ms(20); 00079 myServoZ.period_ms(20); 00080 }
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