X-Git-Url: http://git.piffa.net/web?a=blobdiff_plain;f=shift_register%2Fshift_register_serial%2Fshift_register_serial.ino;fp=shift_register%2Fshift_register_serial%2Fshift_register_serial.ino;h=0000000000000000000000000000000000000000;hb=2e29cbe13965809a5d3866ccdc12b1d665b54115;hp=38b5d7cbe90b90863161c20bb3e68c27e4713955;hpb=11eb80579bf2e63a8244897614542c917f641a47;p=sketchbook_andrea diff --git a/shift_register/shift_register_serial/shift_register_serial.ino b/shift_register/shift_register_serial/shift_register_serial.ino deleted file mode 100644 index 38b5d7c..0000000 --- a/shift_register/shift_register_serial/shift_register_serial.ino +++ /dev/null @@ -1,69 +0,0 @@ -/* - Shift Register Example - for 74HC595 shift register - - This sketch turns reads serial input and uses it to set the pins - of a 74HC595 shift register. - - Hardware: - * 74HC595 shift register attached to pins 8, 12, and 11 of the Arduino, - as detailed below. - * LEDs attached to each of the outputs of the shift register - - Created 22 May 2009 - Created 23 Mar 2010 - by Tom Igoe - - */ - -//Pin connected to latch pin (ST_CP) of 74HC595 -const int latchPin = 8; -//Pin connected to clock pin (SH_CP) of 74HC595 -const int clockPin = 12; -////Pin connected to Data in (DS) of 74HC595 -const int dataPin = 11; - -void setup() { - //set pins to output because they are addressed in the main loop - pinMode(latchPin, OUTPUT); - pinMode(dataPin, OUTPUT); - pinMode(clockPin, OUTPUT); - Serial.begin(9600); - Serial.println("reset"); -} - -void loop() { - if (Serial.available() > 0) { - // ASCII '0' through '9' characters are - // represented by the values 48 through 57. - // so if the user types a number from 0 through 9 in ASCII, - // you can subtract 48 to get the actual value: - int bitToSet = Serial.read() - 48; - - // write to the shift register with the correct bit set high: - registerWrite(bitToSet, HIGH); - } -} - -// This method sends bits to the shift register: - -void registerWrite(int whichPin, int whichState) { -// the bits you want to send - byte bitsToSend = 0; - - // turn off the output so the pins don't light up - // while you're shifting bits: - digitalWrite(latchPin, LOW); - - // turn on the next highest bit in bitsToSend: - bitWrite(bitsToSend, whichPin, whichState); - - // shift the bits out: - shiftOut(dataPin, clockPin, MSBFIRST, bitsToSend); - - // turn on the output so the LEDs can light up: - digitalWrite(latchPin, HIGH); - delay(300); - -} -