Bluetooth
Dependencies: mbed
main.cpp
00001 #include "mbed.h" 00002 00003 Serial pc(D8,D2); 00004 //Serial pc(D1,D0); 00005 00006 AnalogIn analog_value(A1); 00007 BusOut mySegment(D9, D10, D11, D12); 00008 00009 float meas_r; 00010 float meas_mv; 00011 float meas_v; 00012 00013 int main(){ 00014 00015 uint8_t mode; 00016 uint8_t dataIn; 00017 uint8_t state_show=0; 00018 uint8_t guide=0; 00019 uint8_t mode_exit = 0; 00020 00021 while(1){ 00022 if(state_show == 0) { 00023 pc.printf("#############\n"); 00024 pc.printf(" Menu \n"); 00025 pc.printf("#############\n"); 00026 pc.printf("1.Segment show input number\n"); 00027 pc.printf("2.Monitor input voltage\n"); 00028 state_show =1; 00029 } 00030 if(pc.readable()) { 00031 mode = pc.getc(); 00032 pc.printf("\n"); 00033 state_show=0; 00034 mode_exit = 0; 00035 guide = 0; 00036 switch(mode) { 00037 00038 case '1': //Segment show input number 00039 do{ 00040 00041 if(guide == 0){ 00042 pc.printf("##########################\n"); 00043 pc.printf("Segment show input number\n"); 00044 pc.printf("##########################\n"); 00045 pc.printf("Please key any number\n"); 00046 pc.printf("key x to exit\n"); 00047 guide = 1; 00048 } 00049 if(pc.readable()) { 00050 dataIn = pc.getc(); 00051 if(dataIn == 'x'){ 00052 pc.printf("\n"); 00053 mode_exit = 1; 00054 } 00055 else{ 00056 mySegment = dataIn; 00057 pc.printf("number = %c \n\n",(char)dataIn); 00058 guide = 0; 00059 } 00060 } 00061 00062 }while(mode_exit ==0); 00063 break; 00064 00065 case '2': //Monitor input voltage 00066 do{ 00067 if(pc.readable()) { 00068 dataIn = pc.getc(); 00069 if(dataIn == 'x'){ 00070 mode_exit = 1; 00071 } 00072 } 00073 meas_r = analog_value.read(); 00074 meas_mv = meas_r * 3300; 00075 meas_v = (float)meas_mv / 1000; 00076 pc.printf("Input voltage = %.2f V. key x to exit\n",meas_v); 00077 00078 }while(mode_exit ==0); 00079 break; 00080 00081 default: 00082 pc.printf("plz select 1 or 2 only\n"); 00083 pc.printf("\n"); 00084 break; 00085 00086 00087 } 00088 } 00089 } 00090 00091 }
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