public static int aa_i2c_write_ext(int aardvark, short slave_addr, AardvarkI2cFlags flags, short num_bytes, byte[] data_out, ref short num_written)
{
if (!AA_LIBRARY_LOADED)
{
return(-4);
}
short num = (short)tp_min((long)num_bytes, (long)data_out.Length);
return(net_aa_i2c_write_ext(aardvark, slave_addr, flags, num, data_out, ref num_written));
}
// enum AardvarkI2cFlags (from declaration above)
// AA_I2C_NO_FLAGS = 0x00
// AA_I2C_10_BIT_ADDR = 0x01
// AA_I2C_COMBINED_FMT = 0x02
// AA_I2C_NO_STOP = 0x04
// AA_I2C_SIZED_READ = 0x10
// AA_I2C_SIZED_READ_EXTRA1 = 0x20
/* Read a stream of bytes from the I2C slave device. */
public static int aa_i2c_read(
int aardvark,
ushort slave_addr,
AardvarkI2cFlags flags,
ushort num_bytes,
byte[] data_in
)
{
if (!AA_LIBRARY_LOADED)
{
return((int)AardvarkStatus.AA_INCOMPATIBLE_LIBRARY);
}
ushort data_in_num_bytes = (ushort)tp_min(num_bytes, data_in.Length);
return(net_aa_i2c_read(aardvark, slave_addr, flags, data_in_num_bytes, data_in));
}
/*
* Do an atomic write+read to an I2C slave device by first
* writing a stream of bytes to the I2C slave device and then
* reading a stream of bytes back from the same slave device.
* This API function returns the number of bytes written into
* the num_written variable and the number of bytes read into
* the num_read variable. The return value of the function is
* the status given as (read_status << 8) | (write_status).
*/
public static int aa_i2c_write_read(
int aardvark,
ushort slave_addr,
AardvarkI2cFlags flags,
ushort out_num_bytes,
byte[] out_data,
ref ushort num_written,
ushort in_num_bytes,
byte[] in_data,
ref ushort num_read
)
{
if (!AA_LIBRARY_LOADED)
{
return((int)AardvarkStatus.AA_INCOMPATIBLE_LIBRARY);
}
ushort out_data_out_num_bytes = (ushort)tp_min(out_num_bytes, out_data.Length);
ushort in_data_in_num_bytes = (ushort)tp_min(in_num_bytes, in_data.Length);
return(net_aa_i2c_write_read(aardvark, slave_addr, flags, out_data_out_num_bytes, out_data, ref num_written, in_data_in_num_bytes, in_data, ref num_read));
}
public static int aa_i2c_write(
int aardvark,
ushort slave_addr,
AardvarkI2cFlags flags,
ushort num_bytes,
byte[] data_out
)
{
if (!AA_LIBRARY_LOADED)
{
return((int)AardvarkStatus.AA_INCOMPATIBLE_LIBRARY);
}
ushort data_out_num_bytes = (ushort)tp_min(num_bytes, data_out.Length);
try
{
return(net_aa_i2c_write(aardvark, slave_addr, flags, data_out_num_bytes, data_out));
}
catch
{
Console.WriteLine("System memory access violation");
return(-1);
}
}
public static int aa_i2c_write_ext(int aardvark, short slave_addr, AardvarkI2cFlags flags, short num_bytes, byte[] data_out, ref short num_written)
{
if (!AA_LIBRARY_LOADED)
{
return -4;
}
short num = (short) tp_min((long) num_bytes, (long) data_out.Length);
return net_aa_i2c_write_ext(aardvark, slave_addr, flags, num, data_out, ref num_written);
}
private static extern int net_aa_i2c_write(int aardvark, short slave_addr, AardvarkI2cFlags flags, short num_bytes, [In] byte[] data_out);
private static extern int net_aa_i2c_write_ext(int aardvark, ushort slave_addr, AardvarkI2cFlags flags, ushort num_bytes, [In] byte[] data_out, ref ushort num_written);
private static extern int net_aa_i2c_write_read(int aardvark, ushort slave_addr, AardvarkI2cFlags flags, ushort out_num_bytes, [In] byte[] out_data, ref ushort num_written, ushort in_num_bytes, [Out] byte[] in_data, ref ushort num_read);
private static extern int net_aa_i2c_write(int aardvark, short slave_addr, AardvarkI2cFlags flags, short num_bytes, [In] byte[] data_out);
private static extern int net_aa_i2c_read_ext(int aardvark, ushort slave_addr, AardvarkI2cFlags flags, ushort num_bytes, [Out] byte[] data_in, ref ushort num_read);
private static extern int net_aa_i2c_read(int aardvark, short slave_addr, AardvarkI2cFlags flags, short num_bytes, [Out] byte[] data_in);
private static extern int net_aa_i2c_read(int aardvark, short slave_addr, AardvarkI2cFlags flags, short num_bytes, [Out] byte[] data_in);
/*
* Do an atomic write+read to an I2C slave device by first
* writing a stream of bytes to the I2C slave device and then
* reading a stream of bytes back from the same slave device.
* This API function returns the number of bytes written into
* the num_written variable and the number of bytes read into
* the num_read variable. The return value of the function is
* the status given as (read_status << 8) | (write_status).
*/
public static int aa_i2c_write_read(
int aardvark,
ushort slave_addr,
AardvarkI2cFlags flags,
ushort out_num_bytes,
byte[] out_data,
ref ushort num_written,
ushort in_num_bytes,
byte[] in_data,
ref ushort num_read
)
{
if (!AA_LIBRARY_LOADED) return (int)AardvarkStatus.AA_INCOMPATIBLE_LIBRARY;
ushort out_data_out_num_bytes = (ushort)tp_min(out_num_bytes, out_data.Length);
ushort in_data_in_num_bytes = (ushort)tp_min(in_num_bytes, in_data.Length);
return net_aa_i2c_write_read(aardvark, slave_addr, flags, out_data_out_num_bytes, out_data, ref num_written, in_data_in_num_bytes, in_data, ref num_read);
}
/*
* Write a stream of bytes to the I2C slave device.
* This API function returns the number of bytes written into
* the num_written variable. The return value of the function
* is a status code.
*/
public static int aa_i2c_write_ext(
int aardvark,
ushort slave_addr,
AardvarkI2cFlags flags,
ushort num_bytes,
byte[] data_out,
ref ushort num_written
)
{
if (!AA_LIBRARY_LOADED) return (int)AardvarkStatus.AA_INCOMPATIBLE_LIBRARY;
ushort data_out_num_bytes = (ushort)tp_min(num_bytes, data_out.Length);
return net_aa_i2c_write_ext(aardvark, slave_addr, flags, data_out_num_bytes, data_out, ref num_written);
}
private static extern int net_aa_i2c_write_read(int aardvark, ushort slave_addr, AardvarkI2cFlags flags, ushort out_num_bytes, [In] byte[] out_data, ref ushort num_written, ushort in_num_bytes, [Out] byte[] in_data, ref ushort num_read);
private static extern int net_aa_i2c_write_ext(int aardvark, ushort slave_addr, AardvarkI2cFlags flags, ushort num_bytes, [In] byte[] data_out, ref ushort num_written);
private static extern int net_aa_i2c_read_ext(int aardvark, ushort slave_addr, AardvarkI2cFlags flags, ushort num_bytes, [Out] byte[] data_in, ref ushort num_read);
