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发表于: 26-10-2022 03:30:17
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C5/C4/C4L Usermanual V1.0 2022-8-30
The system is continuously updated, the pictures and texts may be different from the real objects, and the real objects shall prevail
Table of contents
The content of the manual is constantly being improved
1. Introduction to C5/C4/C4L
1.1 C5/C4/C4L Features
1.2 C5/C4/C4LL main parameters
1.3 C5/C4/C4L interface description
2. Introduction of C5/C4/C4L buttons (C4L is the same as C4, and C4L is omitted for the same part below)
3.C5/C4/C4L main interface
4. Main interface * P0 *: Custom Pages
5. Main interface * P1 *: Voltage, current, power large-character interface
6. Main interface * P2 *: Average Maximum
7. Main interface * P3 *: Capacity statistics interface
8. Main interface * P4 *: Fast charging protocol display detection interface
9. Main interface * P5 *: Curve display interface
10. Fast charging protocol deception
11. Settings menu
WITRN C5/C4/C4L Menu
12. Firmware update
13. Remarks
-------------- 1.1 C5/C4/C4L Features --------------
Ω PD3.1 supports 28V, 36V, 48V EPR AVS trigger
Ω Support domestic fusion fast charging protocol UFCS decoy
Ω Multiple fast charging protocol detection and deception (including Xiaomi Modified PD)
Ω Unified four-dimensional WIOS+WIUI+PC+Bluetooth APP* (Bluetooth version is not currently developed)
Ω 240MHz ultra-high speed M4F 32-bit CPU with FPU hardware acceleration unit
Ω Independent ADC sampling + on-chip 2MHz high-speed AD
Ω Spectrum analysis function can track and analyze multiple targets simultaneously
Ω Built-in capacity calculation function
Ω Built-in gravity sensor supports automatic screen rotation
-------------- 1.2 C5/C4/C4L main parameters --------------
Measuring voltage: DC 3.3~48V (C5 C4)
Measuring voltage: DC 3.3~36V (C4L)
Voltage Resolution : 0.0001V
Capacity record : 0~99999Ah
Measuring current: 6A (C5: 10A short-term peak)
Measuring current: 6A (C4: 10A short-term peak)
Measuring current: 6A (C4L: 11A short-term peak)
Current resolution: 0.0001A (bidirectional current detection)
Capacity record : 0~99999Wh
CPU: ARM M4F 240MHz high-speed 32-bit with FPU hardware acceleration unit
Display: 1.47-inch color IPS LCD screen Resolution: 320*172 (wide viewing angle screen)
Sensor: 3-axis gravity sensor
Core ADC: 16/20-bit independent ADC chip (C5 C4: 16/20-bit 48V C4L: 16-bit 36V)
High-speed sampling: 2Mhz high-speed on-chip ADC
Sampling resistor: low-resistance sampling resistor (high-side sampling) to prevent common ground interference
Main interface: 24P USB-C male/female pass-through
External sensor: temperature measurement NTC-20℃~+120℃ (special temperature probe with TYPE-C interface)
Storage medium: Ferroelectric FRAM 10 billion rewrite life
Firmware upgrade method: USB HID free drive (independent USB-C HID interface)
Computer connection curve: HID host computer (USB-C HID interface drive-free)
Bluetooth BLE interface: not supported yet
VIP Code: Unique Serial Number
High-speed waveform sampling: 2MHz Max
Ripple Analysis: Simultaneously lock and display 3 frequency data and ripple values
Appearance size: about *x*x*mm (excluding USB-C male)
-------------- 1.3 C5/C4/C4L interface description --------------
USB-C male: USB-C 24P input male
USB-C Female: USB-C 24P Output Female
USB-HID: USB-C 16P connection and upgrade female socket / C port temperature probe can be connected
Note: The USB-C interface temperature probe is under development
24P pass-through, support PD3.1, USB4, lightning charging and data transmission
(Note that C4L can withstand up to 36V, C4 can be connected to 50V Thunderbolt and USB4 peripherals)
Please note: In the pass-through mode, the screen will not light up when the PD charging head is directly inserted~
When decoy testing 5A, EPR's PD charging head
A 5A data line or PD3.1 EPR data line needs to be connected behind (otherwise only 3A and no 28V)
-------------- 2. C5/C4/C4L button introduction --------------
BACK: Menu key/Back key/Exit
OK: Confirm/Execute/Save/Enter
+: Screen cut/adjust/select+
-: Cut Screen/Adjust/Select-
C4 Tips Press back to power on, you can exit any fast charge trigger and tool application status
*Convenient to quickly exit the running fast charge trigger, E-Marker data line detection, PD sniffing black screen and other states
*Convenient for users to safely enter the system when they are not familiar with the operation of C5/C4/C4L
DFU upgrade mode Press the ok button to power on and enter the firmware upgrade mode
If the current measurement direction of C5/C4/C4L is input from the female socket and output from the male head, it will detect its own working current
The working current of the USB meter device itself is generally tens of mA. If it is necessary to eliminate the influence of this current
You can choose to input from the male head, output from the female socket (or power supply from the HID port 5V)
C5/C4 and C4L are 24p full-pin straight-through CC meters, with 3-speed PD physical switches (real physical direct-through mode can be realized)
When is it toggled to ON? : For daily use, protocol detection, protocol spoofing
When is it toggled to OFF? : The mobile phone cannot be fast charged due to interference, and it can be switched off without loss.
When to switch to Emark? : Only when measuring Emark data line
Or use the CC cable to connect the charging head, and when the C5/C4 male plug is plugged into the mobile phone
Three-speed PD physical toggle switch description: (important)
Mode 1 (ON):
The CC1 data line of the USB-C interface is physically connected to the PD chip of C5/C4 (single CC line)
PD data can be monitored, but the direction must be right (the screen can be directly turned on without pressing the button)
Mode 2 (OFF):
Disconnect the physical connection between the CC1 and CC2 data cables of the USB-C interface and the C5/C4
Full pass-through mode, does not affect the mobile phone fast charging recognition (single plug into the PD head, the black screen does not work)
Mode 3 (Emark):
Emark- Both CC lines are connected to the PD chip on the table, used for HID 5V power supply measurement Emark data line
Hint: (Important) C5, C4, C4L
The PD switch is toggled to the Emark position, which can be monitored conditionally (the CC cable is connected to the charging head, and the watch is connected to the mobile phone)
Due to the conventional 3A, 5A double-ended TYPE-C data cable, EPR wire (CC wire)
Only 1 CC line in them is responsible for PD communication
5A, ERP wire has one more VCON power supply (no communication)
So: After connecting the C5/C4/C4L with the CC cable, if the PD switch is in the Emark position
One end of the CC is connected to the charging head, and the other end is connected to the watch. The USB-C male connector of the watch is plugged into the mobile phone, which can be monitored by PD.
Because there are actually two CC lines on the USB meter, only 1 CC line is connected to the charging head through the data line
It will not cause the charging head to enter an abnormal power supply state due to double pull-down, and can output PD normally
*Emark mode double cc conduction (double pull-down)
Plugging in the charging head directly will make the charging head enter the test mode and cannot be used (the meter is black screen)
*ON mode:
It is a single CC connection mode, the screen can be turned on and the screen can be turned on, and the charging head protocol can be detected and deceived (when the deception protocol is detected: do not connect the mobile phone)
In ON mode:
Since a CC line that fixes the PD chip on C5/C4 is connected, the front and back sides need to be divided when the C5/C4 female socket is connected to the CC line to charge the mobile phone to monitor the PDO and RDO.
That is, the CC cable is inserted into the C5/C4 female socket. If there is no PD data, you can turn it over and insert it again.
Except for HID, all interfaces of C5/C4 are in parallel relationship. Do not connect mobile phones and other devices indiscriminately when there is high voltage.
If you want to perform a "more than one point" show, the mobile phone will die miserably
HID interface of C5/C4/C4L: only 5V power supply
HID online: used when connecting to a computer, when upgrading firmware
No need for power supply: daily use, detection of fast charging protocol, trigger protocol, no need for HID power supply
δ: When the PD mobile phone or device uses power, sometimes the serial meter interferes, and the PD physical switch can be turned off
δ: When using the TYPE-C data cable in series with C5/C4 to charge and there is no response, you can turn over and insert it and connect it to the TYPE-C female data cable interface
*When the fast charging protocol is automatically detected: Do not pick up the phone
*When the fast charging protocol is triggered, after the fast charging protocol is successfully triggered, the fast charging triggers background operation: do not connect the phone
-------------- 3.C5/C4/C4L main interface --------------
P1: Large character current and voltage display interface
P2: Detection interface capacity statistics interface
P3: The fast charging protocol shows the same
P4: High-speed ripple curve
KEY+ KEY- Button to switch the screen forward/backward
-------------- 4. Main interface * P1 *: voltage, current, power large-character interface --------------
P1 interface: voltage, current, power and current direction
Short press the KEY+ KEY- button to switch the screen forward/backward
Press the "back" button on this interface to call up: Settings menu
Oversampling algorithm: Take advantage of the 16-bit independent ADC chip to oversample the signal, which can effectively improve the resolution of signal acquisition
But due to the uncertainty of signal noise, the standard resolution of C5/C4 series is 0.0001V and 0.0001A
The data with more than 4 decimal places is displayed by the oversampling algorithm, which is not necessarily accurate and is for reference only.
-------------- 5. Main interface * P2 *: Capacity statistics interface --------------
P2 interface: capacity statistics interface
Ah: Charging capacity Wh: Charging energy
Mid-screen time: C5/C4/C4L power-on time
Time at the bottom of the screen: Volume recording time
Press the "back" button in this interface to call up: Tools menu
Capacity statistics: Because many mobile phones are currently high-voltage fast charging
It is no longer valid to calculate the charging capacity with the traditional mAh
So measure the actual charging/discharging energy of batteries such as mobile phone battery capacity or power bank, please refer to Wh data
-------------- 6. Main interface * P3 *: Fast charging protocol display detection interface --------------
P3 interface: fast charging protocol display and detection interface
V: Voltage A: Current W: Power
D+ D-: D+D- communication line voltage
Red dots: Volume record status standard
Flashing red: Recording
Fast charging protocol: current possible fast charging protocol
Press the "back" button on this interface to call up: Fast charging protocol detection and deception menu
Fast Charge Protocol Assisted Speculation: Introduction to "Fake Protocol"
Tip: The protocol displayed by the fast charging protocol is inferred based on the level of D+D- and the charging voltage and current
It is not the fast charging communication protocol that the mobile phone or charging device is actually using
Speculation has great uncertainty, not necessarily accurate, for reference only
-------------- 7. Main interface * P4 *: Curve display interface --------------
P4 interface:
Long press the OK button: switch the curve
1. Voltage current curve
2. Ripple curve
3. D+, D-curve voltage and current, D+D-curve description:
Short press of the OK button: you can pause the screen capture, which is convenient for observing the waveform protocol.
Short press again to resume
Press the "back" button to pop up the menu and select "Sampling Rate": Switch the curve scanning speed: 0.1s/0.2s/0.5s/1s/2s/5s
The white parameter at the bottom of the screen is the vertical sensitivity, the picture above is 0.01V/DIV 0.01A/DIV at the moment
Ripple curve description: 125KHz
Indicates the actual frequency of the currently measured waveform
Since the output of the charging head or power bank will actually mix multiple waveforms of different frequencies,
C5/C4/C4L can only select one of the waveforms with obvious characteristics to display its frequency
This frequency is not necessarily the one that professional users need to see
If professional users need to see the full frequency of the charging head
A higher-end version of the WITRN U3 detector can be purchased
Switch C5/C4 ripple sampling frequency: Press the "back" button to pop up the menu, switch the sampling frequency (maximum 2MHz)
By default, it is recommended to select the maximum value of 2MHz sampling, and the sensitivity is high.
The ripple size data (0~xxx mV) of the example in the figure below is sampled at 2MHz as a reference
The white font below the C5/C4/C4L ripple interface: 2MHz/5us is the current sampling frequency of C5/C4/C4L
C5/C4/C4L ripple sampling is not strictly sampled in the working area according to the common ripple sampling method of oscilloscope
There is a certain gap between the accuracy and the oscilloscope, for reference only
When measuring the ripple, it is recommended to use a constant current load to stabilize the charger output at a current value, which is more valuable for reference.
When the charging head is no-load, it generally works in low frequency and low power consumption mode, and the measurement is not the actual working state.
-------------- 8. Fast charging protocol deception --------------
Warning, fast charge detection, do not connect the phone when the fast charge protocol is deceiving
In this interface (protocol interface)
Press the "back" key to activate the trigger menu
High voltage output! Do it at your own risk!
Xiaobai warns, don't enter if you don't understand, high pressure deception = burning your phone
Fast charging protocol detection trigger interface
01: Automatic detection of fast charging protocol
Since the CC table is a pass-through table
USB-C plugged directly into the charger does not light up the screen
If you need to use C5/C4/C4L to detect the charging head protocol
Need to toggle the C5/C4 PD physical switch to the PD file
*02-N spoofing for various fast charging protocols
C5/C4/C4L as CC table, only provide simple protocol
Only used to experience and learn simple protocol deception
01: Automatic detection of fast charging protocol
Only used for charging head detection, old protocols such as MTK have been deleted
If you need a professional testing protocol, please purchase the Weijian U3 tester
Green: supported protocols
red: not supported
Purple: abnormal data
10: Apple 5V charging acceleration
USB-A charging head for 5V only
Requires a C to A adapter
When VOOC and SVOOC are spoofed, many leaders or fast charging converters need a large current to issue an agreement
Professional users need to use it, and adjust the constant current load of 1A or above with the load to correctly output 10V decoy
Don't try it if you don't understand
*Apple charging acceleration instructions:
Since many chargers do not support the recognition level of Apple devices, although these devices can output high current themselves, they can only be charged at 500mA tortoise speed when connected to Apple devices.
Typical example: The popular LeTV QC3.0 fast charge on the market, its 5V gear output can output more than 2A current, but the direct charge to the iPhone only has 500mA. After the Apple charging acceleration function of C5/C4 is activated, the iPhone can be charged at a full speed close to 2A.
Note: This function does not have the ability to increase the charger current, it just allows it to reach its existing potential
-------------- 9. Settings menu --------------
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发表于: 09-10-2022 21:27:51
发表于: 18-03-2023 09:49:12
Worked without issue. Very smooth. Although I wonder where I can get the English copy of the edited screen as the Chinese site only seem to have the Chinese version. Although I have something I made myself that I have yet to test.
Sadly I can't make a live stream because of Google Youtube censorship on truth.