2CH wlan Digital Storage Oscilloscope Protocol
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Contents Send ‘wifi settings request’ from display device (Tablet or USB host) to WiFi Scope .......................... 4 Send ‘wifi settings’ from display device (Tablet or USB host) to WiFi Scope ..................................... 4 Send ‘start calibration’ from display device (Tablet or USB host) to WiFi Scope ................................ 5 Send ‘status request’ from display device (Tablet or USB host) to WiFi Scope ..................................
Send ‘wifi settings request’ from display device (Tablet or USB host) to WiFi Scope <0> <0> Start of transmission: STX = 0x02 Data length: 8 Wi�i settings request command: 0x0A Checksum: CHKSUM = 8-bit two’s complement of sum of all previous bytes End of transmission: ETX = 0x0A Send ‘wifi settings’ from display device (Tablet or USB host) to WiFi Scope
Send ‘start calibration’ from display device (Tablet or USB host) to WiFi Scope <0> <0> Start of transmission: STX = 0x02 Data length: 8 Start calibration command: 0xCA Checksum: CHKSUM = 8-bit two’s complement of sum of all previous bytes End of transmission: ETX = 0x0A Send ‘status request’ from display device (Tablet or USB host) to WiFi Scope
Send ‘settings’ from display device (Tablet or USB host) to WiFi Scope <0> <0> Start of transmission: STX = 0x02 Data length: 18 Settings command: 0x11 CHx input coupling: AC 0 DC 1 GND 2 CHx V/div: Off 20 V/div 10 V/div 4 V/div 2 V/div 1 V/div 0.
Trigger settings: Bit 1 & 0 Trigger mode (00 = Normal / 01 = Auto / 10 = Once) Bit 2 Trigger slope (0 = rising edge / 1 = falling edge) Bit 3 Trigger channel (0 = ch1 / 1 = ch2) Bit 4 Run/Hold (0 = run / 1 = Hold) Bit 5 Reserved Bit 6 Reserved Bit 7 Autorange (0 = autorange off / 1 = autorange on) Bit 8…15 Reserved Checksum: CHKSUM = 8-bit two’s complement of sum of all previous bytes End of transmission: ETX = 0x0A Remark: Setting the autorange: • The Y-position and trigger level is forced to the center pos
Receive scope settings from WiFi Scope to display device (Tablet or USB host) <0> <0> Start of transmission: STX = 0x02 Settings command: 0x20 Data length: 18 CHx V/div: Off 20 V/div 10 V/div 4 V/div 2 V/div 1 V/div 0.5 V/div 0 1 2 3 4 5 6 CHx Yposition: 3…252 0.
Module status: Bit 0 Charger Power-Good status Bit 1 Charge Status 2 Bit 2 Charge Status 1 Status Bit 2 (Stat 1) Bit 1 (Stat 2) Bit 0 (PG) No USB power present High High High No battery present High High Low Low battery Low High High Temperature fault Low Low Low Charging complete Low High Low Charging High Low Low Bit 3 0 Bit 4 Calibrating (0 = off / 1 = busy) Bit 5 Low battery (1 = low battery) Checksum: CHKSUM = 8-bit two’s complement of sum of all previous bytes En
CHx Yposition: 3…252 (3 = top / 128 = center / 252 = bottom of screen) Timebase: 1 µs/div 2 µs/div 5 µs/div 10 µs/div 20 µs/div 50 µs/div 0.1 ms/div 0.2 ms/div 0.5 ms/div 1 ms/div 0 1 2 3 4 5 6 7 8 9 2 ms/div 5 ms/div 10 ms/div 20 ms/div 50 ms/div 0.1 s/div 0.2 s/div 0.
Receive WiFi settings from WiFi Scope to display device (Tablet or USB host) <0> <0> … … … Start of t
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WiFi Scope 2 channels 10MS/s Features • two independent channels • high sensitivity: up to 0.2mV • full auto setup function • signal markers • hold function • probe x1/x10 function • DVM readouts • fully documented protocol • Li-ion rechargeable battery included WFS210 Specifications • input range: 5mV to 20V/div (12 steps) • timebase: 1µs to 1s/div • max.
Velleman N.V.
