/// <summary>
/// Read a 32-bit register value.
/// </summary>
/// <param name="rtReg">Register pair's (2 x 16-bit register) address</param>
/// <returns>The 32-bit register value.</returns>
/// <remarks>The result is in little-endian format so there is no need to do any additional conversions.</remarks>
/// <exception cref="NurApiException">
/// <para>This exception is thrown when the underlying physical read fails.</para>
/// <para>Exception can also be thrown if the tag reports an error e.g. "out of range"</para>
/// </exception>
/// <exception cref="IndexOutOfRangeException">This exception is thrown if the read is out of the register address space.</exception>
public uint ReadUInt32Reg(uint rtReg)
{
RTConst.RegRangeCheck(rtReg, "ReadUInt32Reg", RTConst.RW_32BIT);
byte[] b;
b = ReadTag(mPassword, mSecured, NurApi.BANK_USER, rtReg, 4);
return(RTConverters.BytesToUInt32(b));
}
/// <summary>
/// Write a single 16-bit register.
/// </summary>
/// <param name="rtReg">Register to write, <seealso cref="RTRegs"/>.</param>
/// <param name="wValue">Value to write.</param>
/// <remarks>
/// <para>See also: <seealso cref="Secured"/>, <seealso cref="Password"/></para>
/// <para>The data to write is internally converted to the tag's big-endian format so there is no need for additional conversions.</para>
/// </remarks>
/// <exception cref="NurApiException">
/// <para>This exception is thrown when the underlying physical write fails.</para>
/// <para>Exception can also be thrown if the tag reports an error e.g. "out of range"</para>
/// </exception>
public void WriteShortReg(uint rtReg, ushort wValue)
{
RTConst.RegRangeCheck(rtReg, "WriteShortReg", RTConst.RW_16BIT);
byte[] b;
b = RTConverters.UInt16ToBytes(wValue);
WriteTag(mPassword, mSecured, NurApi.BANK_USER, rtReg, b);
}
/// <summary>
/// Read a 16-bit register.
/// </summary>
/// <param name="rtReg">Register value to read, <seealso cref="RTRegs"/>.</param>
/// <returns>This call returns the 16-bit value of the register.</returns>
/// <remarks>NOTE: this result is internally converted to little-endian format; no need to re-convert.</remarks>
/// <exception cref="NurApiException">
/// <para>This exception is thrown when the underlying physical read fails.</para>
/// <para>Exception can also be thrown if the tag reports an error e.g. "out of range"</para>
/// </exception>
public ushort ReadShortReg(uint rtReg)
{
RTConst.RegRangeCheck(rtReg, "ReadShortReg", RTConst.RW_16BIT);
byte[] b;
b = ReadTag(mPassword, mSecured, NurApi.BANK_USER, rtReg, 2);
return(RTConverters.BytesToUInt16(b));
}
/// <summary>
/// Read multiple 16-bit registers at once.
/// </summary>
/// <param name="firstAddr">First register to read, <seealso cref="RTRegs"/>.</param>
/// <param name="regCount">Number of registers to read.</param>
/// <returns>An array of unsigned 16-bit register that were read.</returns>
/// <remarks></remarks>
/// <exception cref="NurApiException">This exception is thrown when the underlying physical read fails.</exception>
/// <exception cref="RTException">
/// <para>This exception is thrown when the number of registers is out of range, <seealso cref="RTConst.MIN_RD_COUNT"/>, <seealso cref="RTConst.MAX_RD_COUNT"/>.</para>
/// </exception>
/// <exception cref="RTException">
/// <para>This exception is thrown if the total reading exceeds the last memory position, <seealso cref="RTConst.LOG_AREA_LAST"/></para>
/// </exception>
public ushort [] ReadMultipleRegs(uint firstAddr, int regCount)
{
RTConst.RegRangeCheck(firstAddr, "ReadMultipleRegs", RTConst.RW_16BIT);
RTConst.RegRangeCheck((uint)(firstAddr + regCount), "ReadMultipleRegs: read length is out of range.", RTConst.RW_16BIT);
RTConst.RWCountCheck(regCount, "ReadMultipleRegs");
byte [] data;
data = ReadTag(mPassword, mSecured, NurApi.BANK_USER, firstAddr, (regCount * 2));
return(RTConverters.BytesToUInt16Arr(data));
}
