The Night Rider is my first result with the netduino
I use two I2C PCF8574 portexpanders to 16 LEDs can be controlled.
On the clip you can see that the "pattern"on both portexpanders offered. The version of the firmware I used netduino: 4.1.0.5.
using System;
using System.Threading;
using Microsoft.SPOT;
using Microsoft.SPOT.Hardware;
using SecretLabs.NETMF.Hardware;
using SecretLabs.NETMF.Hardware.Netduino;
namespace NightRider
{
public class Program
{
public static void Main()
{
new Thread( () => flashOnboardLed (200)).Start();
I2CDevice MyI2CBus = new I2CDevice(null);
I2CDevice.Configuration pcf8574_0 = new I2CDevice.Configuration(0x20, 400);
I2CDevice.Configuration pcf8574_1 = new I2CDevice.Configuration(0x21, 400);
I2CDevice.I2CTransaction[] xActions = new I2CDevice.I2CTransaction[1];
int val = 0x0007;
bool dir = false;
byte[] cmd = new byte[1];
while (true)
{
MyI2CBus.Config = pcf8574_0;
cmd[0] = (byte)(val ^ 0xFF) ;
xActions[0] = I2CDevice.CreateWriteTransaction(cmd);
MyI2CBus.Execute(xActions, 1000);
MyI2CBus.Config = pcf8574_1;
cmd[0] = (byte)((val >> 8) ^ 0xFF);
xActions[0] = I2CDevice.CreateWriteTransaction(cmd);
MyI2CBus.Execute(xActions, 1000);
if ((val & 0x8000) > 0)
dir = true;
if ((val & 0x0001) > 0)
dir = false;
if (!dir)
val = val << 1;
else
val = val >> 1;
Thread.Sleep(60);
}
}
public static void flashOnboardLed(object flashTime)
{
OutputPort led = new OutputPort(Pins.ONBOARD_LED, false);
while (true)
{
led.Write(!led.Read());
Thread.Sleep((int)flashTime);
}
}
}
}
Hinnie.
