Elgreengeeto at 18:02, 10 April 2009

2009-04-10T18:02:44Z

← Older revision		Revision as of 11:02, 10 April 2009
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	</pre>		</pre>


			[[Category:Sensebridge]]

Rachel: New page:

 /*  * 2009-03-24, pager motor test, lamont lucas  *  */  // define the pins used to run the shift registers  int enable_low = 5;  //enable outputs, low = on int serial_in  = 6;  int ...

2009-03-25T09:13:57Z

New page: <pre> * 2009-03-24, pager motor test, lamont lucas *: // define the pins used to run the shift registers int enable_low = 5; //enable outputs, low = on int serial_in = 6; int ...

New page

<pre>
/*
* 2009-03-24, pager motor test, lamont lucas
*
*/

// define the pins used to run the shift registers
int enable_low = 5; //enable outputs, low = on
int serial_in = 6;
int ser_clear_low = 7; //pulse low to zero out the shift buffer
int RCK = 9; //RCK, push the serial buffer to the outputs
int SRCK = 10; //

// analog definitions.
// int potPin = 23; // select the input pin for the potentiometer

void setup() {
pinMode(enable_low, OUTPUT); // set shift register pins as outputs
pinMode(serial_in, OUTPUT);
pinMode(ser_clear_low, OUTPUT);
pinMode(RCK, OUTPUT);
pinMode(SRCK, OUTPUT);

//more test
//pinMode(11, OUTPUT);

// use some serial for debugging
Serial.begin(9600);
Serial.println("Setting up board");

// make sure we start out all off
digitalWrite(enable_low, HIGH);
// this should wipe out the serial buffer on the shift register
digitalWrite(ser_clear_low, LOW);
delay(100); //delay in ms

// the TPIC6b595 clocks work on a rising edge, so make sure they're low to start.
digitalWrite(RCK, LOW);
digitalWrite(SRCK, LOW);

digitalWrite(ser_clear_low, HIGH); //we are now clear to write into the serial buffer

Serial.println("Board is setup");
}

void loop() {

//test statement
analogWrite(17, 200);
//raise enable high to disable outputs
digitalWrite(enable_low, HIGH);

delayMicroseconds(100); //slow and steady
//shiftOut(serial_in, SRCK, LSBFIRST, B01010101);
shiftOut(serial_in, SRCK, LSBFIRST, B11111111);
//pulse RCK to pop that into the outputs
delayMicroseconds(100);
digitalWrite(RCK, HIGH);
delayMicroseconds(100);
digitalWrite(RCK, LOW);

for (int i=150; i <= 250; i += 10) {
Serial.print("Using PWM value of ");
Serial.println(i);
//pwm the enable (255 = 0v, 0 = 5v)
analogWrite(enable_low, i);
delay(250);
}
}

</pre>

Lamont's PWM code - Revision history

Elgreengeeto at 18:02, 10 April 2009

Rachel: New page:
/* * 2009-03-24, pager motor test, lamont lucas * */ // define the pins used to run the shift registers int enable_low = 5; //enable outputs, low = on int serial_in = 6; int ...