private int _AardvarkDisconnect()
{
if (iHandler <= 0)
{
return(0);
}
if (as_atAdapterType != AdapterSelector.AdapterType.AS_AT_AARDVARK)
{
return(-1);
}
AardvarkApi.aa_close(iHandler);
iHandler = -1;
as_atAdapterType = AdapterSelector.AdapterType.AS_AT_DUMMY;
return(0);
}
public override void Close()
{
try
{
AardvarkApi.aa_i2c_slave_disable(this._I2CHandle);
AardvarkApi.aa_close(this._I2CHandle);
}
catch (Exception exception)
{
MessageBox.Show("Exception in I2C Read Close: " + exception.Message);
}
this._I2CHandle = -1;
try
{
AardvarkApi.aa_close(this._I2CHandleMaster);
}
catch (Exception exception2)
{
MessageBox.Show("Exception in I2C Write Close: " + exception2.Message);
}
this._I2CHandleMaster = -1;
}
/*=====================================================================
| MAIN PROGRAM
| ====================================================================*/
public static void Main(string[] args)
{
int port;
int handle;
int result;
AardvarkApi.AardvarkExt aaExt = new AardvarkApi.AardvarkExt();
if (args.Length != 1)
{
Console.WriteLine("usage: aamonitor PORT");
return;
}
// Parse the port argument
try {
port = Convert.ToInt32(args[0]);
}
catch (Exception) {
Console.WriteLine("Error: invalid port");
return;
}
// Open the device
handle = AardvarkApi.aa_open_ext(port, ref aaExt);
if (handle <= 0)
{
Console.WriteLine("Unable to open Aardvark device on port {0}",
port);
Console.WriteLine("error: {0}",
AardvarkApi.aa_status_string(handle));
return;
}
Console.WriteLine("Opened Aardvark; features = 0x{0:x2}",
aaExt.features);
// Disable the I2C bus pullup resistors (2.2k resistors).
// This command is only effective on v2.0 hardware or greater.
// The pullup resistors on the v1.02 hardware are enabled by default.
AardvarkApi.aa_i2c_pullup(handle, AardvarkApi.AA_I2C_PULLUP_NONE);
// Disable the Aardvark adapter's power pins.
// This command is only effective on v2.0 hardware or greater.
// The power pins on the v1.02 hardware are not enabled by default.
AardvarkApi.aa_target_power(handle, AardvarkApi.AA_TARGET_POWER_NONE);
// Enable the monitor
result = AardvarkApi.aa_i2c_monitor_enable(handle);
if (result < 0)
{
Console.WriteLine("error: {0}",
AardvarkApi.aa_status_string(result));
return;
}
Console.WriteLine("Enabled I2C monitor.");
// Dump the data to the console
dump(handle);
// Disable the monitor and close the device
AardvarkApi.aa_i2c_monitor_disable(handle);
AardvarkApi.aa_close(handle);
}
/*=====================================================================
| MAIN PROGRAM
| ====================================================================*/
public static void Main(string[] args)
{
int handle;
int port = 0;
int bitrate = 100;
int res = 0;
if (args.Length != 1)
{
Console.WriteLine("usage: aalights PORT");
return;
}
try {
port = Convert.ToInt32(args[0]);
}
catch (Exception) {
Console.WriteLine("Error: invalid port number");
return;
}
// Open the device
handle = AardvarkApi.aa_open(port);
if (handle <= 0)
{
Console.WriteLine("Unable to open Aardvark device on port {0}",
port);
Console.WriteLine("error: {0}",
AardvarkApi.aa_status_string(handle));
return;
}
// Enable logging
FileStream logfile = null;
bool isLogging = true;
try {
logfile = new FileStream("log.txt", FileMode.Append,
FileAccess.Write);
AardvarkApi.aa_log(handle, 3, (int)logfile.Handle);
}
catch (Exception) {
isLogging = false;
}
// Ensure that the I2C subsystem is enabled
AardvarkApi.aa_configure(handle, AardvarkConfig.AA_CONFIG_SPI_I2C);
// Enable the I2C bus pullup resistors (2.2k resistors).
// This command is only effective on v2.0 hardware or greater.
// The pullup resistors on the v1.02 hardware are enabled by default.
AardvarkApi.aa_i2c_pullup(handle, AardvarkApi.AA_I2C_PULLUP_BOTH);
// Power the board using the Aardvark adapter's power supply.
// This command is only effective on v2.0 hardware or greater.
// The power pins on the v1.02 hardware are not enabled by default.
AardvarkApi.aa_target_power(handle,
AardvarkApi.AA_TARGET_POWER_BOTH);
// Set the bitrate
bitrate = AardvarkApi.aa_i2c_bitrate(handle, I2C_BITRATE);
Console.WriteLine("Bitrate set to {0} kHz", bitrate);
res = AALights.FlashLights(handle);
if (res < 0)
{
Console.WriteLine("error: {0}", AardvarkApi.aa_status_string(res));
}
// Close the device and exit
AardvarkApi.aa_close(handle);
// Close the logging file
if (isLogging)
{
logfile.Close();
}
}
/*=====================================================================
| MAIN PROGRAM
| ====================================================================*/
static public void Main(string[] args)
{
int handle;
int port = 0;
int mode = 0;
int timeoutMs = 0;
byte[] slaveResp = new byte[SLAVE_RESP_SIZE];
int i;
if (args.Length != 3)
{
Console.WriteLine("usage: aaspi_slave PORT MODE TIMEOUT_MS");
Console.WriteLine(" mode 0 : pol = 0, phase = 0");
Console.WriteLine(" mode 1 : pol = 0, phase = 1");
Console.WriteLine(" mode 2 : pol = 1, phase = 0");
Console.WriteLine(" mode 3 : pol = 1, phase = 1");
Console.WriteLine();
Console.WriteLine(" The timeout value specifies the time to");
Console.WriteLine(" block until the first packet is received.");
Console.WriteLine(" If the timeout is -1, the program will");
Console.WriteLine(" block indefinitely.");
return;
}
// Parse the port argument
try {
port = Convert.ToInt32(args[0]);
}
catch (Exception) {
Console.WriteLine("Error: invalid port");
return;
}
// Parse the mode argument
try {
mode = Convert.ToInt32(args[1]) & 0x3;
}
catch (Exception) {
Console.WriteLine("Error: invalid mode");
return;
}
// Parse the timeout argument
try {
timeoutMs = Convert.ToInt32(args[2]);
}
catch (Exception) {
Console.WriteLine("Error: invalid timeout value");
return;
}
// Open the device
handle = AardvarkApi.aa_open(port);
if (handle <= 0)
{
Console.WriteLine("Unable to open Aardvark device on port {0}",
port);
Console.WriteLine("error: {0}",
AardvarkApi.aa_status_string(handle));
return;
}
// Ensure that the SPI subsystem is enabled
AardvarkApi.aa_configure(handle, AardvarkConfig.AA_CONFIG_SPI_I2C);
// Disable the Aardvark adapter's power pins.
// This command is only effective on v2.0 hardware or greater.
// The power pins on the v1.02 hardware are not enabled by default.
AardvarkApi.aa_target_power(handle, AardvarkApi.AA_TARGET_POWER_NONE);
// Setup the clock phase
AardvarkApi.aa_spi_configure(handle, (AardvarkSpiPolarity)(mode >> 1),
(AardvarkSpiPhase)(mode & 1),
AardvarkSpiBitorder.AA_SPI_BITORDER_MSB);
// Set the slave response
for (i = 0; i < SLAVE_RESP_SIZE; ++i)
{
slaveResp[i] = (byte)('A' + i);
}
AardvarkApi.aa_spi_slave_set_response(handle, SLAVE_RESP_SIZE,
slaveResp);
// Enable the slave
AardvarkApi.aa_spi_slave_enable(handle);
// Watch the SPI port
dump(handle, timeoutMs);
// Disable the slave and close the device
AardvarkApi.aa_spi_slave_disable(handle);
AardvarkApi.aa_close(handle);
}
/*=====================================================================
| MAIN PROGRAM
| ====================================================================*/
public static void Main(string[] args)
{
int handle;
int port = 0;
int bitrate = 100;
int mode = 0;
short addr;
short length;
if (args.Length != 6)
{
Console.WriteLine(
"usage: aaspi_eeprom PORT BITRATE read MODE ADDR LENGTH");
Console.WriteLine(
"usage: aaspi_eeprom PORT BITRATE write MODE ADDR LENGTH");
Console.WriteLine(
"usage: aaspi_eeprom PORT BITRATE zero MODE ADDR LENGTH");
Console.WriteLine(" mode 0 : pol = 0, phase = 0");
Console.WriteLine(" mode 3 : pol = 1, phase = 1");
Console.WriteLine(" modes 1 and 2 are not supported");
return;
}
string command = args[2];
// Parse the port argument
try {
port = Convert.ToInt32(args[0]);
}
catch (Exception) {
Console.WriteLine("Error: invalid port number");
return;
}
// Parse the bitrate argument
try {
bitrate = Convert.ToInt32(args[1]);
}
catch (Exception) {
Console.WriteLine("Error: invalid bitrate");
return;
}
// Parse the mode argument
try {
mode = Convert.ToInt32(args[3]) & 0x3;
}
catch (Exception) {
Console.WriteLine("Error: invalid mode");
return;
}
// Parse the memory offset argument
try {
if (args[4].StartsWith("0x"))
{
addr = Convert.ToByte(args[4].Substring(2), 16);
}
else
{
addr = Convert.ToByte(args[4]);
}
}
catch (Exception) {
Console.WriteLine("Error: invalid memory addr");
return;
}
// Parse the length
try {
length = Convert.ToInt16(args[5]);
}
catch (Exception) {
Console.WriteLine("Error: invalid length");
return;
}
if (mode == 1 || mode == 2)
{
Console.WriteLine(
"error: spi modes 1 and 2 are not supported by the AT25080A");
return;
}
// Open the device
handle = AardvarkApi.aa_open(port);
if (handle <= 0)
{
Console.WriteLine("Unable to open Aardvark device on port {0}",
port);
Console.WriteLine("error: {0}",
AardvarkApi.aa_status_string(handle));
return;
}
// Ensure that the SPI subsystem is enabled.
AardvarkApi.aa_configure(handle, AardvarkConfig.AA_CONFIG_SPI_I2C);
// Power the EEPROM using the Aardvark adapter's power supply.
// This command is only effective on v2.0 hardware or greater.
// The power pins on the v1.02 hardware are not enabled by default.
//aa_target_power(handle, AA_TARGET_POWER_BOTH);
AardvarkApi.aa_target_power(handle, AardvarkApi.AA_TARGET_POWER_BOTH);
// Setup the clock phase
AardvarkApi.aa_spi_configure(handle, (AardvarkSpiPolarity)(mode >> 1),
(AardvarkSpiPhase)(mode & 1),
AardvarkSpiBitorder.AA_SPI_BITORDER_MSB);
// Set the bitrate
bitrate = AardvarkApi.aa_spi_bitrate(handle, bitrate);
Console.WriteLine("Bitrate set to {0} kHz", bitrate);
// Perform the operation
if (command == "write")
{
_writeMemory(handle, addr, length, false);
Console.WriteLine("Wrote to EEPROM");
}
else if (command == "read")
{
_readMemory(handle, addr, length);
}
else if (command == "zero")
{
_writeMemory(handle, addr, length, true);
Console.WriteLine("Zeroed EEPROM");
}
else
{
Console.WriteLine("unknown command: {0}", command);
}
// Close the device
AardvarkApi.aa_close(handle);
}
/*=====================================================================
| MAIN PROGRAM
| ====================================================================*/
public static void Main(string[] args)
{
int handle;
int port = 0;
int mode = 0;
string filename;
int bitrate;
if (args.Length != 3)
{
Console.WriteLine("usage: aaspi_file PORT MODE filename");
Console.WriteLine(" mode 0 : pol = 0, phase = 0");
Console.WriteLine(" mode 1 : pol = 0, phase = 1");
Console.WriteLine(" mode 2 : pol = 1, phase = 0");
Console.WriteLine(" mode 3 : pol = 1, phase = 1");
Console.WriteLine();
Console.WriteLine(" 'filename' should contain data to be sent");
Console.WriteLine(" to the downstream spi device");
return;
}
// Parse the port argument
try {
port = Convert.ToInt32(args[0]);
}
catch (Exception) {
Console.WriteLine("Error: invalid port");
return;
}
// Parse the mode argument
try {
mode = Convert.ToInt32(args[1]) & 0x3;
}
catch (Exception) {
Console.WriteLine("Error: invalid mode");
return;
}
filename = args[2];
// Open the device
handle = AardvarkApi.aa_open(port);
if (handle <= 0)
{
Console.WriteLine("Unable to open Aardvark device on port {0}",
port);
Console.WriteLine("error: {0}",
AardvarkApi.aa_status_string(handle));
return;
}
// Ensure that the SPI subsystem is enabled
AardvarkApi.aa_configure(handle, AardvarkConfig.AA_CONFIG_SPI_I2C);
// Enable the Aardvark adapter's power pins.
// This command is only effective on v2.0 hardware or greater.
// The power pins on the v1.02 hardware are not enabled by default.
AardvarkApi.aa_target_power(handle, AardvarkApi.AA_TARGET_POWER_BOTH);
// Setup the clock phase
AardvarkApi.aa_spi_configure(handle, (AardvarkSpiPolarity)(mode >> 1),
(AardvarkSpiPhase)(mode & 1),
AardvarkSpiBitorder.AA_SPI_BITORDER_MSB);
// Setup the bitrate
bitrate = AardvarkApi.aa_spi_bitrate(handle, SPI_BITRATE);
Console.WriteLine("Bitrate set to {0} kHz", bitrate);
blastBytes(handle, filename);
// Close the device
AardvarkApi.aa_close(handle);
return;
}
/*=====================================================================
| MAIN PROGRAM
| ====================================================================*/
public static void Main(string[] args)
{
int handle;
int port = 0;
byte addr = 0;
string filename;
int bitrate;
if (args.Length != 3)
{
Console.WriteLine("usage: aai2c_file PORT SLAVE_ADDR filename");
Console.WriteLine(" SLAVE_ADDR is the target slave address");
Console.WriteLine();
Console.WriteLine(" 'filename' should contain data to be sent");
Console.WriteLine(" to the downstream i2c device");
return;
}
// Parse the port argument
try {
port = Convert.ToInt32(args[0]);
}
catch (Exception) {
Console.WriteLine("Error: invalid port");
return;
}
// Parse the device address argument
try {
if (args[1].StartsWith("0x"))
{
addr = Convert.ToByte(args[1].Substring(2), 16);
}
else
{
addr = Convert.ToByte(args[1]);
}
}
catch (Exception) {
Console.WriteLine("Error: invalid device addr");
return;
}
filename = args[2];
// Open the device
handle = AardvarkApi.aa_open(port);
if (handle <= 0)
{
Console.WriteLine("Unable to open Aardvark device on port {0}",
port);
Console.WriteLine("error: {0}",
AardvarkApi.aa_status_string(handle));
return;
}
// Ensure that the I2C subsystem is enabled
AardvarkApi.aa_configure(handle, AardvarkConfig.AA_CONFIG_SPI_I2C);
// Enable the I2C bus pullup resistors (2.2k resistors).
// This command is only effective on v2.0 hardware or greater.
// The pullup resistors on the v1.02 hardware are enabled by default.
AardvarkApi.aa_i2c_pullup(handle, AardvarkApi.AA_I2C_PULLUP_BOTH);
// Enable the Aardvark adapter's power pins.
// This command is only effective on v2.0 hardware or greater.
// The power pins on the v1.02 hardware are not enabled by default.
AardvarkApi.aa_target_power(handle, AardvarkApi.AA_TARGET_POWER_BOTH);
// Setup the bitrate
bitrate = AardvarkApi.aa_i2c_bitrate(handle, I2C_BITRATE);
Console.WriteLine("Bitrate set to {0} kHz", bitrate);
blastBytes(handle, addr, filename);
// Close the device
AardvarkApi.aa_close(handle);
}
/*=====================================================================
| MAIN PROGRAM
| ====================================================================*/
public static void Main(string[] args)
{
int handle;
int port = 0;
int bitrate = 100;
int bus_timeout;
byte device;
byte addr;
short length;
if (args.Length != 6)
{
Console.WriteLine("usage: aai2c_eeprom PORT BITRATE read SLAVE_ADDR OFFSET LENGTH");
Console.WriteLine("usage: aai2c_eeprom PORT BITRATE write SLAVE_ADDR OFFSET LENGTH");
Console.WriteLine("usage: aai2c_eeprom PORT BITRATE zero SLAVE_ADDR OFFSET LENGTH");
return;
}
string command = args[2];
// Parse the port argument
try {
port = Convert.ToInt32(args[0]);
}
catch (Exception) {
Console.WriteLine("Error: invalid port number");
return;
}
// Parse the bitrate argument
try {
bitrate = Convert.ToInt32(args[1]);
}
catch (Exception) {
Console.WriteLine("Error: invalid bitrate");
return;
}
// Parse the slave address argument
try {
if (args[3].StartsWith("0x"))
{
device = Convert.ToByte(args[3].Substring(2), 16);
}
else
{
device = Convert.ToByte(args[3]);
}
}
catch (Exception) {
Console.WriteLine("Error: invalid device number");
return;
}
// Parse the memory offset argument
try {
if (args[4].StartsWith("0x"))
{
addr = Convert.ToByte(args[4].Substring(2), 16);
}
else
{
addr = Convert.ToByte(args[4]);
}
}
catch (Exception) {
Console.WriteLine("Error: invalid memory addr");
return;
}
// Parse the length
try {
length = Convert.ToInt16(args[5]);
}
catch (Exception) {
Console.WriteLine("Error: invalid length");
return;
}
// Open the device
handle = AardvarkApi.aa_open(port);
if (handle <= 0)
{
Console.WriteLine("Unable to open Aardvark device on port {0}",
port);
Console.WriteLine("error: {0}",
AardvarkApi.aa_status_string(handle));
return;
}
// Ensure that the I2C subsystem is enabled
AardvarkApi.aa_configure(handle, AardvarkConfig.AA_CONFIG_SPI_I2C);
// Enable the I2C bus pullup resistors (2.2k resistors).
// This command is only effective on v2.0 hardware or greater.
// The pullup resistors on the v1.02 hardware are enabled by default.
AardvarkApi.aa_i2c_pullup(handle, AardvarkApi.AA_I2C_PULLUP_BOTH);
// Power the EEPROM using the Aardvark adapter's power supply.
// This command is only effective on v2.0 hardware or greater.
// The power pins on the v1.02 hardware are not enabled by default.
AardvarkApi.aa_target_power(handle,
AardvarkApi.AA_TARGET_POWER_BOTH);
// Set the bitrate
bitrate = AardvarkApi.aa_i2c_bitrate(handle, bitrate);
Console.WriteLine("Bitrate set to {0} kHz", bitrate);
// Set the bus lock timeout
bus_timeout = AardvarkApi.aa_i2c_bus_timeout(handle, BUS_TIMEOUT);
Console.WriteLine("Bus lock timeout set to {0} ms", bus_timeout);
// Perform the operation
if (command == "write")
{
_writeMemory(handle, device, addr, length, false);
Console.WriteLine("Wrote to EEPROM");
}
else if (command == "read")
{
_readMemory(handle, device, addr, length);
}
else if (command == "zero")
{
_writeMemory(handle, device, addr, length, true);
Console.WriteLine("Zeroed EEPROM");
}
else
{
Console.WriteLine("unknown command: {0}", command);
}
// Close the device and exit
AardvarkApi.aa_close(handle);
}
/*=====================================================================
| MAIN PROGRAM
| ====================================================================*/
public static void Main(string[] args)
{
int port = -1;
byte val;
int handle;
AardvarkApi.AardvarkExt aaExt = new AardvarkApi.AardvarkExt();
if (args.Length != 1)
{
Console.WriteLine("usage: aagpio PORT");
return;
}
try {
port = Convert.ToInt32(args[0]);
}
catch (Exception) {
Console.WriteLine("Error: invalid port number");
}
// Open the device
handle = AardvarkApi.aa_open_ext(port, ref aaExt);
if (handle <= 0)
{
Console.WriteLine("Unable to open Aardvark device on port {0}",
port);
Console.WriteLine("error: {0}",
AardvarkApi.aa_status_string(handle));
return;
}
Console.WriteLine("Opened Aardvark adapter");
// Configure the Aardvark adapter so all pins
// are now controlled by the GPIO subsystem
AardvarkApi.aa_configure(handle, AardvarkConfig.AA_CONFIG_GPIO_ONLY);
// Turn off the external I2C line pullups
AardvarkApi.aa_i2c_pullup(handle, AardvarkApi.AA_I2C_PULLUP_NONE);
// Make sure the charge has dissipated on those lines
AardvarkApi.aa_gpio_set(handle, 0x00);
AardvarkApi.aa_gpio_direction(handle, 0xff);
// By default all GPIO pins are inputs. Writing 1 to the
// bit position corresponding to the appropriate line will
// configure that line as an output
AardvarkApi.aa_gpio_direction(handle,
(byte)(AardvarkGpioBits.AA_GPIO_SS | AardvarkGpioBits.AA_GPIO_SCL));
// By default all GPIO outputs are logic low. Writing a 1
// to the appropriate bit position will force that line
// high provided it is configured as an output. If it is
// not configured as an output the line state will be
// cached such that if the direction later changed, the
// latest output value for the line will be enforced.
AardvarkApi.aa_gpio_set(handle, (byte)AardvarkGpioBits.AA_GPIO_SCL);
Console.WriteLine("Setting SCL to logic low");
// The get method will return the line states of all inputs.
// If a line is not configured as an input the value of
// that particular bit position in the mask will be 0.
val = (byte)AardvarkApi.aa_gpio_get(handle);
// Check the state of SCK
if ((val & (byte)AardvarkGpioBits.AA_GPIO_SCK) != 0)
{
Console.WriteLine("Read the SCK line as logic high");
}
else
{
Console.WriteLine("Read the SCK line as logic low");
}
// Optionally we can set passive pullups on certain lines.
// This can prevent input lines from floating. The pullup
// configuration is only valid for lines configured as inputs.
// If the line is not currently input the requested pullup
// state will take effect only if the line is later changed
// to be an input line.
AardvarkApi.aa_gpio_pullup(handle,
(byte)(AardvarkGpioBits.AA_GPIO_MISO | AardvarkGpioBits.AA_GPIO_MOSI));
// Now reading the MISO line should give a logic high,
// provided there is nothing attached to the Aardvark
// adapter that is driving the pin low.
val = (byte)AardvarkApi.aa_gpio_get(handle);
if ((val & (byte)AardvarkGpioBits.AA_GPIO_MISO) != 0)
{
Console.WriteLine(
"Read the MISO line as logic high (passive pullup)");
}
else
{
Console.WriteLine(
"Read the MISO line as logic low (is pin driven low?)");
}
// Now do a 1000 gets from the GPIO to test performance
for (int i = 0; i < 1000; ++i)
{
AardvarkApi.aa_gpio_get(handle);
}
int oldval, newval;
// Demonstrate use of aa_gpio_change
AardvarkApi.aa_gpio_direction(handle, 0x00);
oldval = AardvarkApi.aa_gpio_get(handle);
Console.WriteLine("Calling aa_gpio_change for 2 seconds...");
newval = AardvarkApi.aa_gpio_change(handle, 2000);
if (newval != oldval)
{
Console.WriteLine(" GPIO inputs changed.\n");
}
else
{
Console.WriteLine(" GPIO inputs did not change.\n");
}
// Turn on the I2C line pullups since we are done
AardvarkApi.aa_i2c_pullup(handle, AardvarkApi.AA_I2C_PULLUP_BOTH);
// Configure the Aardvark adapter back to SPI/I2C mode.
AardvarkApi.aa_configure(handle, AardvarkConfig.AA_CONFIG_SPI_I2C);
// Close the device
AardvarkApi.aa_close(handle);
}
/*=====================================================================
| MAIN PROGRAM
| ====================================================================*/
public static void Main(string[] args)
{
int handle;
int port = 0;
byte addr = 0;
int timeoutMs = 0;
byte[] slaveResp = new byte[SLAVE_RESP_SIZE];
int i;
if (args.Length != 3)
{
Console.WriteLine("usage: aai2c_slave PORT SLAVE_ADDR TIMEOUT_MS");
Console.WriteLine(" SLAVE_ADDR is the slave address for this device");
Console.WriteLine();
Console.WriteLine(" The timeout value specifies the time to");
Console.WriteLine(" block until the first packet is received.");
Console.WriteLine(" If the timeout is -1, the program will");
Console.WriteLine(" block indefinitely.");
return;
}
// Parse the port argument
try {
port = Convert.ToInt32(args[0]);
}
catch (Exception) {
Console.WriteLine("Error: invalid port");
return;
}
// Parse the device address argument
try {
if (args[1].StartsWith("0x"))
{
addr = Convert.ToByte(args[1].Substring(2), 16);
}
else
{
addr = Convert.ToByte(args[1]);
}
}
catch (Exception) {
Console.WriteLine("Error: invalid device addr");
return;
}
// Parse the timeout argument
try {
timeoutMs = Convert.ToInt32(args[2]);
}
catch (Exception) {
Console.WriteLine("Error: invalid timeout value");
return;
}
// Open the device
handle = AardvarkApi.aa_open(port);
if (handle <= 0)
{
Console.WriteLine("Unable to open Aardvark device on port {0}",
port);
Console.WriteLine("error: {0}",
AardvarkApi.aa_status_string(handle));
return;
}
// Ensure that the I2C subsystem is enabled
AardvarkApi.aa_configure(handle, AardvarkConfig.AA_CONFIG_SPI_I2C);
// Disable the Aardvark adapter's power pins.
// This command is only effective on v2.0 hardware or greater.
// The power pins on the v1.02 hardware are not enabled by default.
AardvarkApi.aa_target_power(handle, AardvarkApi.AA_TARGET_POWER_NONE);
// Set the slave response; this won't be used unless the master
// reads bytes from the slave.
for (i = 0; i < SLAVE_RESP_SIZE; ++i)
{
slaveResp[i] = (byte)('A' + i);
}
AardvarkApi.aa_i2c_slave_set_response(handle, SLAVE_RESP_SIZE,
slaveResp);
// Enable the slave
AardvarkApi.aa_i2c_slave_enable(handle, addr, 0, 0);
// Watch the I2C port
dump(handle, timeoutMs);
// Disable the slave and close the device
AardvarkApi.aa_i2c_slave_disable(handle);
AardvarkApi.aa_close(handle);
}