// ------------------------------------------------------------------------------------------------------------------
// Helpers
// ------------------------------------------------------------------------------------------------------------------
private PCA9685GpioProvider createProvider() throws IOException {
BigDecimal frequency = PCA9685GpioProvider.ANALOG_SERVO_FREQUENCY;
BigDecimal frequencyCorrectionFactor = new BigDecimal("1.0578");
I2CBus bus = I2CFactory.getInstance(I2CBus.BUS_1);
return new PCA9685GpioProvider(bus, 0x40, frequency, frequencyCorrectionFactor);
}
private void init(int address) {
try {
// Get I2C bus
bus = I2CFactory.getInstance(I2CBus.BUS_1); // Depends onthe RasPI version
if (verbose) {
System.out.println("Connected to bus. OK.");
}
// Get the device itself
servoDriver = bus.getDevice(address);
if (verbose) {
System.out.println("Connected to device. OK.");
}
// Reseting
servoDriver.write(MODE1, (byte) 0x00);
} catch (IOException e) {
System.err.println(e.getMessage());
}
setPWMFreq(HERTZ); // Set frequency to 60 Hz
}
public MCP4725(int address) {
try {
// Get i2c bus
bus = I2CFactory.getInstance(I2CBus.BUS_1); // Depends on the RasPI version
if (verbose) System.out.println("Connected to bus. OK.");
// Get device itself
mcp4725 = bus.getDevice(address);
if (verbose) System.out.println("Connected to device. OK.");
} catch (IOException e) {
System.err.println(e.getMessage());
}
}
public AdafruitLEDBackpack(int bus, int address) throws IOException {
log.info(String.format("AdafruitLEDBackpack on %d %d", bus, address));
// create I2C communications bus instance
i2cbus = I2CFactory.getInstance(bus);
// create I2C device instance
device = i2cbus.getDevice(address);
init7SegmentDisplay();
initTranslation();
}
public Board() throws IOException, InterruptedException {
int busId;
String type = SystemInfo.getBoardType().name();
if (type.indexOf("ModelA") > 0) {
busId = I2CBus.BUS_0;
} else {
busId = I2CBus.BUS_1;
}
final I2CBus bus = I2CFactory.getInstance(busId);
device = bus.getDevice(ADDRESS);
}