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Dependencies: mbed
main.cpp
00001 #include "stm32f103c8t6.h" 00002 #include "mbed.h" 00003 00004 BusOut display(PB_4,PB_3,PA_15,PA_12,PA_11,PA_10,PA_9,PA_8); 00005 BusOut multiplexaje(PA_3,PA_2,PA_1,PA_0); 00006 BusIn entrada(PB_0,PB_1,PB_10,PB_11); 00007 BusOut salida(PB_6,PB_7,PB_8,PB_9); 00008 00009 00010 uint8_t Numero[4][4]= 00011 { 00012 {0x42,0xB6,0xBC,0xFA}, 00013 {0xD8,0xEC,0xEE,0xCE}, 00014 {0x38,0xFE,0xFC,0x86}, 00015 {0x80,0x7E,0xFA,0x9E} 00016 }; 00017 00018 uint8_t catodo[]= 00019 { 00020 //0b0001,0b0010,0b0100,0b1000 00021 0x01,0x02,0x04,0x08 00022 }; 00023 00024 uint8_t fila[]= 00025 { 00026 0x01,0x02,0x04,0x08 00027 }; 00028 00029 uint8_t columna[]= 00030 { 00031 //0b0001,0b0010,0b0100,0b1000 00032 0x01,0x02,0x04,0x08 00033 }; 00034 00035 void Encender(int C,int F); 00036 00037 int main() 00038 { 00039 00040 while(1) 00041 { 00042 for(int i=0; i<4; i++) 00043 { 00044 salida=columna[i]; 00045 00046 if(entrada!=0) 00047 { 00048 if(entrada==fila[0]) 00049 { 00050 Encender(i,0); 00051 }else if(entrada==fila[1]) 00052 { 00053 Encender(i,1); 00054 }else if(entrada==fila[2]) 00055 { 00056 Encender(i,2); 00057 }else if(entrada==fila[3]) 00058 { 00059 Encender(i,3); 00060 } 00061 } 00062 } 00063 } 00064 } 00065 00066 00067 void Encender(int C,int F) 00068 { 00069 multiplexaje=catodo[0]; 00070 00071 display=Numero[F][C]; 00072 wait_ms(200); 00073 00074 multiplexaje=0x00; 00075 display=0x00; 00076 }
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