Agilent Technologies N5181A/82A User Manual Page 158
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148 Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide
Programming the Status Register System
Status Register Bit Values
Status Register Bit Values
Each bit in a register is represented by a decimal value based on its location in the register (see
Table 4- 1).
• To enable a particular bit in a register, send its value with the SCPI command. Refer to the signal
generator’s SCPI command listing for more information.
• To enable more than one bit, send the sum of all the bits that you want to enable.
• To verify the bits set in a register, query the register.
Example: Enable a Register
To enable bit 0 and bit 6 of the Standard Event Status Group’s Event Register:
1. Add the decimal value of bit 0 (1) and the decimal value of bit 6 (64) to give a decimal value of
65.
2. Send the sum with the command: *ESE 65.
Example: Query a Register
To query a register for a condition, send a SCPI query command. For example, if you want to query
the Standard Operation Status Group’s Condition Register, send the command:
STATus:OPERation:CONDition?
If bit 7, bit 3 and bit 2 in this register are set (bits = 1) then the query will return the decimal value
140. The value represents the decimal values of bit 7, bit 3 and bit 2: 128 + 8 + 4 = 140.
NOTE Bit 15 is not used and is always set to zero.
Table 4-1 Status Register Bit Decimal Values
Decimal
Value
Always 0
16384
8192
4096
2048
1024
512
256
128
64
32
16
8
4
2
1
Bit Number 15 14 13 12 11 10 9876543210
- Programming Guide 1
- Contents 3
- Documentation Overview 9
- Interfaces 13
- Agilent IO Libraries Suite 15
- Programming Languages 19
- Using the Web Browser 20
- Agilent MXG Web Server On 21
- ESG/PSG/E8663B Web Server On 21
- Preferences 26
- Getting Help (Agilent MXG) 28
- Getting Help (ESG/PSG/E8663B) 28
- Error Messages 29
- Error Message Types 30
- 2 Using IO Interfaces 31
- Using GPIB 32
- Set Up the GPIB Interface 34
- Verify GPIB Functionality 35
- GPIB Interface Terms 35
- Using IO Interfaces 36
- Using LAN 38
- Setting Up the LAN Interface 39
- Setting up Private LAN 44
- Verifying LAN Functionality 44
- Table 2-1 Ping Responses 45
- Using VXI-11 47
- Using Sockets LAN 49
- Using Telnet LAN 49
- Figure 2-7 Telnet 2000 Window 52
- Using FTP 53
- Figure 2-8 FTP Screen 54
- Character Format Parameters 59
- If You Have Problems 59
- Using USB (Agilent MXG) 63
- Setting Up the USB Interface 65
- 3 Programming Examples 67
- Running C++ Programs 69
- Running C# Examples 70
- Running Basic Examples 70
- Running Java Examples 71
- Running MATLAB Examples 71
- Running Perl Examples 71
- Clear Function 75
- Output Function 75
- • resets instrument 79
- • resets the signal generator 84
- • reads the various settings 84
- • verifies RF state off 88
- Programming Examples 100
- Figure 3-1 108
- VXI-11 Programming 111
- Sockets LAN Programming and C 115
- Queries for Lan Using Sockets 117
- Before Using the Examples 141
- Overview 148
- Status Register Bit Values 158
- Determining What to Monitor 159
- Deciding How to Monitor 159
- Status Register SCPI Commands 161
- Status Byte Group 164
- Status Byte Register 165
- Status Groups 166
- Standard Event Status Group 167
- STATus:OPERation:CONDition? 170
- Register) to 1 180
- Condition Register) to 1 186
- Condition register) to 1 189
- Understanding Waveform Data 195
- LSB and MSB (Bit Order) 196
- 1 0 1 1 0 1 1 1 197
- 1 1 1 0 1 0 0 1 197
- Byte Swapping 198
- DAC Input Values 198
- 2’s Complement Data Format 201
- I and Q Interleaving 201
- Waveform Structure 203
- I/Q File 204
- Waveform Phase Continuity 205
- Waveform Memory 208
- Memory Allocation 210
- Memory Size 212
- Waveform Data Encryption 214
- File Transfer Methods 215
- SCPI Command Line Structure 215
- FTP Procedures 220
- Creating Waveform Data 222
- Code Algorithm 223
- Downloading Waveform Data 228
- Using Simulation Software 229
- Playing the Waveform 235
- Verifying the Waveform 236
- Using the Download Utilities 237
- E443xB Data Format 238
- Marker 3 and 4 bits 240
- C++ Programming Examples 242
- MATLAB Programming Examples 265
- HP Basic Programming Examples 277
- Mode Setup 287
- Signal Generator Memory 291
- Checking Available Memory 295
- Bit File Type Data 298
- Start block data 299
- Binary File Type Data 301
- User File Size 302
- Downloading User Files 306
- Modifying User File Data 312
- 2499 only) 316
- Understanding PRAM Files 320
- Viewing the PRAM Waveform 322
- PRAM File Size 323
- Extracting a PRAM File 329
- Modifying PRAM Files 331
- Data Requirements 332
- Data Limitations 332
- Save and Recall SCPI Commands 335
- User File Download Problems 350
- PRAM Download Problems 351
- Numerics 355
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