need a C Code to show the 7 segment from 0-9 and A-F. thank you
The code below is working fine . it may help you
CODE
#define Data7219 RB0_bit #define Load7219 RB1_bit #define Clk7219 RB2_bit const unsigned char Font_B[16]= { 0x7e,0x30,0x6d,0x79,0x33,0x5b,0x5f,0x70, 0x7f,0x7b,0x77,0x1f,0x4e,0x3d,0x4f,0x47 }; unsigned long value; unsigned char dpset = 0; void Send7219 (char,char); void Send7219byte(char); void MAX7219init(); void Display(float); void main (void){ TRISA = 0xFF; TRISB = 0x00; PORTB = 0x00; ANSEL = 0x00; ANSELH = 0x00; ADCON1 = 0x00; CM1CON0 = 0x00; CM2CON0 = 0x00; MAX7219init(); Display(230.14592); //my_weird_number //Display(123.45678); //much easier to work with while(1){;}//Display(47110815);} //my_weird_number} } void MAX7219init() { Data7219 =0; Load7219 =0; Clk7219 = 0; Send7219(0x09,0x00);//Decode Mode Send7219(0x0A,0x05);//Brightness Send7219(0x0B,0x07);//Scan limit Send7219(0x0C,0x01); Send7219(0x0F,0x00); } void Send7219 (char Digit,char Data) { Send7219byte(Digit); Send7219byte(Data); Data7219=0; Load7219=1; Load7219=0; } void Send7219byte (char byte) { unsigned char I; for(I=0;I<8;I++) { if (byte & 0x80) Data7219=1; else Data7219=0; Clk7219=1; byte<<=1; Clk7219=0; } } void Display (float My_number) { unsigned char dispskip; // add 1 if "." found within string unsigned char i, string[23]; FloatToStr(My_number, string); string[9] = 0; // null terminate string[8] = 0x20; // FloatToString returns 7 characters + ".", so blank the 9th dispskip = 8; // initialise for (i=0;i<8;i++) { if (string[dispskip-i] == 0x20)//0x20 is ASCII " " Send7219(i+1,0); //send MAX7219 " " to MAX7219 else if ((string[dispskip-i] <= 0x39)) Send7219(i+1,(Font_B[string[dispskip-i] - 0x30]));//0-9 else Send7219(i+1,(Font_B[string[dispskip-i] - 0x57]));//A-F if (string[dispskip-i] == '.'){//0x20 is ASCII " " dispskip = 7; // if (string[dispskip-i] <= 0x39) Send7219(i+1,(Font_B[string[dispskip-i] - 0x30]) | (0b10000000));//0-9 else Send7219(i+1,(Font_B[string[dispskip-i] - 0x57]) | (0b10000000));//A-F } } }
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need a C Code to show the 7 segment from 0-9 and A-F. thank you Software...
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