ARDUINO 328 Functions Sensors

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Latest revision as of 06:00, 15 May 2012

ARDUINO → Functions and Variables → 328 Sensor Functions

Information

The 328P-Based Arduino have 6 analog sensor ports and 13 digital sensor ports.

Analog

Sensor Type:	Comments:
No Sensor	No Sensor Attached. Pin is disabled.
Analog	Standard Analog Input (0-1023), no modification to raw value.
Potentiometer	Standard Analog Input (0-1023), no modification to raw value.
Light Sensor	Standard Analog Input (0-1023), no modification to raw value.
Line Follower	Standard Analog Input (0-1023), no modification to raw value.
Gyro Sensor	Support for VEX Gyro Sensor. See documentation here.
Accelerometer	Support for VEX Accelerometer. See documentation here.
Digital In	Use an analog pin as a digital input (not currently supported)
Digital Out	Use an analog pin as a digital output (not currently supported)

Digital

Sensor Type:	Comments:
No Sensor	No Sensor Attached. Pin is disabled.
Touch	Digital Input for touch sensors. (reversed from "Digital In" command)
Quadrature Encoder (Two Pins)	Support for VEX Quadrature Encoder. See documentation here.
LED to Vcc	Pin configured as digital output with reversed logic (for LEDs) (0 = LED on, 1 = LED off)
Digital In	Pin configured as digital input with internal "Pull-Up" resistor ENABLED.
Digital Out	Pin configured as digital output.
Digital High Inpedance	Pin configured as digital input with internal "Pull-Up" resistor DISABLED.
Sonar [Ping]	Support for Parallax Ping Sonar Sensor (returns distance in cm, mm, inches, raw)
Sonar [SRP-04] (Two Pins)	Support for VEX Robotics Sonar Sensor (returns distance in cm, mm, inches, raw)

SensorType

TSensorTypes SensorType[tSensors sensor]

(TSensorTypes) The SensorType array is used to manually specify what type of sensor is connected to a specific pin. Most users should not have to use this functionality and should use the Motors and Sensor Setup instead.

Parameter	Explanation	Data Type
sensor	A sensor port or name	tSensors

SensorType[dgtl3] = sensorTouch;  // set digital pin #3 to be of type sensorTouch

SensorValue

word SensorValue[tSensors sensor]

(word) This array value will return and modify the value of the sensor. When a pin is set as an "input" the SensorValue array command will return the value from the sensor attached to that pin. When a pin is set as an "output", the SensorValue array can be written to set the output value of the pin (typically Digital Outs will be set to 0 for Low and 1 for High).

Parameter	Explanation	Data Type
sensor	A sensor port or name	tSensors

while(SensorValue[dgtl6] == 0) //Loop while digital pin #6 is low (set to zero)
{
   motor[motor_2] = 63;   // Motor pin #2 is run at half (63) power forward
   motor[motor_3]  = 63;   // Motor pin #3 is run at half (63) power forward
}

Writing to digitalOut

#pragma config(Sensor, dgtl10, dOut,           sensorDigitalOut)
//*!!Code automatically generated by 'ROBOTC' configuration wizard               !!*//
task main()
{
  while(true)               // infinite loop to keep the program running
  {
    SensorValue[dOut] = 1;  // set the value of 'dOut' to 1
    wait1Msec(1000);        // wait 1 second
    SensorValue[dOut] = 0;  // set the value of 'dOut' to 0
    wait1Msec(1000);        // wait 1 second
  }
}

Reading from digitalIn

#pragma config(Sensor, dgtl11, dIn,            sensorDigitalIn)
//*!!Code automatically generated by 'ROBOTC' configuration wizard               !!*//
task main()
{
  int incomingSensor;                     // create int variable, 'incomingSensor'
  while(true)                             // infinite loop to keep the program running
  {
    incomingSensor = SensorValue[dIn];  // set the value of 'incomingSensor' to the value of 'dIn'
  }
}

@@ Line 7: / Line 7: @@
 == Information ==
-The Arduino MEGA has 16 analog sensor ports and 53 digital sensor ports.
+The 328P-Based Arduino have 6 analog sensor ports and 13 digital sensor ports.
 === Analog ===
@@ Line 61: / Line 61: @@
 |-
 |style="text-align:left; border-style: solid; border-width: 0px 0px 1px 0px"|'''Digital In'''
-|style="text-align:left; border-style: solid; border-width: 0px 0px 1px 0px"|Pin configured as digital input with internal "Pull-Up" resistor enabled.
+|style="text-align:left; border-style: solid; border-width: 0px 0px 1px 0px"|Pin configured as digital input with internal "Pull-Up" resistor ENABLED.
 |-
 |style="text-align:left; border-style: solid; border-width: 0px 0px 1px 0px"|'''Digital Out'''
@@ Line 67: / Line 67: @@
 |-
 |style="text-align:left; border-style: solid; border-width: 0px 0px 1px 0px"|'''Digital High Inpedance'''
-|style="text-align:left; border-style: solid; border-width: 0px 0px 1px 0px"|Pin configured as digital input without the "Pull-Up" resistor enabled.
+|style="text-align:left; border-style: solid; border-width: 0px 0px 1px 0px"|Pin configured as digital input with internal "Pull-Up" resistor DISABLED.
 |-
 |style="text-align:left; border-style: solid; border-width: 0px 0px 1px 0px"|'''Sonar [Ping]'''
@@ Line 144: / Line 144: @@
    |-
    |<syntaxhighlight lang="robotc">
-#pragma config(Sensor, dgtl24, dOut,           sensorDigitalOut)
+#pragma config(Sensor, dgtl10, dOut,           sensorDigitalOut)
 //*!!Code automatically generated by 'ROBOTC' configuration wizard               !!*//
 task main()
@@ Line 164: / Line 164: @@
    |-
    |<syntaxhighlight lang="robotc">
-#pragma config(Sensor, dgtl25, dIn,            sensorDigitalIn)
+#pragma config(Sensor, dgtl11, dIn,            sensorDigitalIn)
 //*!!Code automatically generated by 'ROBOTC' configuration wizard               !!*//
 task main()

ARDUINO 328 Functions Sensors

Latest revision as of 06:00, 15 May 2012

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Analog

Digital

SensorType

SensorValue

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