67 lines
1.4 KiB
C++
67 lines
1.4 KiB
C++
/* PRINT_BINARY - Arduino 1.6.0rc1
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Adapted to Maple Mini by m. ray burnette
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Sketch uses 11,672 bytes (10%) of program storage space. Maximum is 108,000 bytes.
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Global variables use 2,592 bytes of dynamic memory
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Prints a positive integer in binary format with a fixed withdth
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copyright, Peter H Anderson, Baltimore, MD, Nov, '07
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PUBLIC DOMAIN EXAMPLE
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*/
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#define BAUD 9600
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void setup()
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{
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// initialize the digital pin as an output.
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pinMode(33, OUTPUT);
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Serial.begin(BAUD); // BAUD has no effect on USB serial: placeholder for physical UART
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// wait for serial monitor to be connected.
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while (!Serial)
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{
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digitalWrite(33,!digitalRead(33));// Turn the LED from off to on, or on to off
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delay(100); // fast blink
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}
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Serial.println("Print Binary Format");
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}
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void loop()
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{
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while(1)
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{
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print_binary(1024+256+63, 12);
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Serial.println();
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delay(1000);
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}
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}
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void print_binary(int v, int num_places)
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{
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int mask=0, n;
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for (n=1; n<=num_places; n++)
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{
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mask = (mask << 1) | 0x0001;
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}
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v = v & mask; // truncate v to specified number of places
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while(num_places)
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{
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if (v & (0x0001 << num_places-1))
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{
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Serial.print("1");
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}
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else
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{
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Serial.print("0");
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}
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--num_places;
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if(((num_places%4) == 0) && (num_places != 0))
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{
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Serial.print("_");
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}
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}
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}
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