web-u2
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web-u2 [2019/09/09 11:21] – [Resources] kingkevin | web-u2 [2019/09/09 16:26] – [Software] kingkevin | ||
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Software version 4.0 or later also do not work with this device. You need to use version 3.0.\\ | Software version 4.0 or later also do not work with this device. You need to use version 3.0.\\ | ||
This device can still be used to measure voltage and current, but since there is no update anymore it will not be able to be used to detect charger profiles. | This device can still be used to measure voltage and current, but since there is no update anymore it will not be able to be used to detect charger profiles. | ||
+ | |||
+ | There is also a footprint for an Bluetooth adapter behind the screen, but it was not placed yet (the software was probably not ready). | ||
+ | |||
+ | {{: | ||
I read out the FRAM (where the settings are stored) but did not find the serial number in there. | I read out the FRAM (where the settings are stored) but did not find the serial number in there. | ||
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Sadly the firmware is read protected. | Sadly the firmware is read protected. | ||
- | There is also a footprint for an Bluetooth adapter behind the screen, but it was not placed yet (the software was probably not ready). | + | Debug header pinout: |
+ | < | ||
+ | _________ | ||
+ | __|8 6 4 2| | ||
+ | |9 7 5 3 1| | ||
+ | ----------- | ||
+ | </ | ||
- | {{: | ||
+ | - SWDIO (SWD, STM32F072 pin 34/PA13) | ||
+ | - SDA (I²C, with FRAM at 0x50) | ||
+ | - SWCLK (SWD, STM32F072 pin 37/PA14) | ||
+ | - GND | ||
+ | - GND | ||
+ | - VDD | ||
+ | - VDD | ||
+ | - SCL (I²C, with FRAM at 0x50) | ||
+ | - nRST (SWD, STM32F072 pin 7/NRST, you must connect under reset since SWD is disable after boot) | ||
==== WITRN U2 V2.0 ==== | ==== WITRN U2 V2.0 ==== | ||
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{{: | {{: | ||
{{: | {{: | ||
+ | |||
+ | ==== Board ==== | ||
+ | |||
+ | {{: | ||
+ | {{: | ||
+ | |||
+ | Here a list of the components present on the Qway U2p V1.1 board: | ||
+ | - input USB 3.0 type A plug | ||
+ | - input USB type C socket | ||
+ | - input USB type micro-B socket | ||
+ | - output USB 3.0 type A socket | ||
+ | - output USB type C socket | ||
+ | - data USB type micro-B socket, USB HID connection to the computer to read the measurements and flash the firmware | ||
+ | - 4 button to interact with the interface (back, ok, previous, next) | ||
+ | - PD switch to enable USB-C Power Delivery triggering | ||
+ | - [[http:// | ||
+ | - input diode protection: not in-line, but shorting GND to VBUS when GND > VBUS | ||
+ | - R012F shunt resistor (12 mOhm): to measure the current | ||
+ | - 5R10 shunt resistor (5.1 Ohm): which can be switched in line to measure low currents | ||
+ | - [[https:// | ||
+ | - [[https:// | ||
+ | - [[https:// | ||
+ | - [[https:// | ||
+ | - [[https:// | ||
+ | - UART pins: to connect to the AT-09 Bluetooth module (with TI CC2541 chip). pinout, beginning with square pin: 3.8V GND RX TX | ||
===== Software ===== | ===== Software ===== | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | Here a couple of notes about the [[http:// | ||
+ | |||
+ | The software is in Chinese, but you can change it by translating the words in the '' | ||
+ | Here the {{ : | ||
+ | |||
+ | When started, the software will query [[http:// | ||
+ | This is not a pdf. I think this is just to pass firewall (just like they use HTTP without SSL).\\ | ||
+ | This URL will return a short binary string, for example '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | * '' | ||
+ | |||
+ | If will also query [[http:// | ||
+ | Using the Network upgrade it will also download the Firmware for the U2 at [[http:// | ||
===== Support ===== | ===== Support ===== |
web-u2.txt · Last modified: 2024/01/07 17:49 by 127.0.0.1