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Fork of BX-car_2 by
motor_api.cpp
00001 #include "mbed.h" 00002 #include "motor_api.h" 00003 00004 #define init_v 10 // period in 1.35 ~170ms 00005 BX_motor::BX_motor(char type){ 00006 //need N level???? 00007 engine_enable = new DigitalOut(PTE21); 00008 00009 *engine_enable=1; 00010 00011 Type=type; 00012 switch (type){ 00013 00014 case 'A': 00015 forward_A = new PwmOut(PTC3); 00016 backward_A = new PwmOut(PTC4); 00017 00018 forward_A->period_ms(init_v); 00019 backward_A->period_ms(init_v); 00020 *forward_A=0.5f; 00021 *backward_A=0.5f; 00022 00023 break; 00024 00025 00026 case 'B': 00027 00028 forward_B = new PwmOut(PTE29); 00029 backward_B = new PwmOut(PTE23); 00030 forward_B->period_ms(init_v); 00031 backward_B->period_ms(init_v); 00032 *forward_B=0.5f; 00033 *backward_B=0.5f; 00034 break; 00035 00036 00037 00038 } 00039 00040 } 00041 00042 00043 // level: -1.0 ~1.0 00044 void BX_motor::rotate(float level){ 00045 00046 Level=level; 00047 00048 if(level >0){ 00049 00050 switch(Type){ 00051 00052 case 'A': 00053 *forward_A=level; 00054 *backward_A=0; 00055 break; 00056 case 'B': 00057 *forward_B=level; 00058 *backward_B=0; 00059 break; 00060 } 00061 00062 }else if(level <0){ 00063 00064 level=-1.0*level; 00065 00066 switch(Type){ 00067 00068 case 'A': 00069 *forward_A=0; 00070 *backward_A=level; 00071 break; 00072 case 'B': 00073 *forward_B=0; 00074 *backward_B=level; 00075 break; 00076 } 00077 00078 } 00079 else{ 00080 switch(Type){ 00081 00082 case 'A': 00083 *forward_A=1.0f; 00084 *backward_A=1.0f; 00085 00086 break; 00087 case 'B': 00088 *forward_B=1.0f; 00089 *backward_B=1.0f; 00090 break; 00091 } 00092 00093 00094 } 00095 00096 00097 00098 00099 00100 00101 00102 00103 00104 } 00105 00106 00107
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