Questions tagged [smbus]
System Management Bus (SMBus or SMB for short) is a single-ended two-wire bus derived from I2C.
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DC power out projects from laptop batteries
I am aware of existence of SMBus signals on the battery connector and the dialog between battery and computer, to supply and charge
However, I am only interested in the DC supply from the battery and ...
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I keep Blowing up my i2C (ISO1540) isolator when plugging and unplugging my battery
I am using a ISO1540 to read the SMBus of some BB2590 batteries. The relevant part of the circuit is shown in the images below
The issue that I am having is that sometimes when connecting or ...
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FT232H: Clock stretching using MPSSE
I use an AN108 to drive my I2C line (actually SMBus).
I'm debugging with an oscilloscope.
Doing a read, right after the 8b address, I found that the slave was pulling down my clock signal SDC for a ...
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How can I understand the bytes of sensor memory without having the memory map in I2C bus
I am a data scientist and I do not know much about programming and electronics. However, I have to get some data from an O2 sensor.
The sensor (Gravity O2 Sensor 0-25%) is a cheap Chinese one (~ 60 ...
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How to convert SMBUS example code to fully compatible MCU, STM32L4R5 -> STM32L496 [duplicate]
Has anyone been able to use the STM32 SMBUS/PMBUS examples codes, and successfully port it to another compatible mcu?
If so what was the steps taken for the conversion?
(Currently trying to flash ...
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STM32 - Porting/Tailoring Example Files to different Microcontroller - xcubeide
How do you convert a project made for one development board for another development board within X-CUBE-IDE.
I am trying to copy a SMBUS example over to a different Development board, so I was ...
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STM32G0 Stuck on SMBUS Slave
This question has been "self answered". Please see answer below.
I am trying to communicate with SMBUS Master and Slave configuration on both STM32G070RB (NUCLEO Boards). So the master ...
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What is the "Smart Battery Connector" for 9V rechargeable batteries?
I'm looking for a battery charger for 9V rechargeable batteries (must be switch-mode, not linear).
I came across the "Smart Battery Standard Connector" structure in a controller IC datasheet ...
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Detect power/run status of PC in hardware
This may well be a daft question and/or a failure to google effectively (and apologies if this would be a better fit on SuperUser or somewhere else?) but is it possible, in low-level hardware, to ...
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Slow read from IST8308 via I2C using Python and smbus2
I have an Arm64 Linux board and an IST8308 3D magnetometer that I am reading via I2C with the following script:
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Multiple PCIe devices in a single M.2 slot
I have a M.2 M-keyed slot on my laptop, and multiple M.2 PCI-e devices that I'd like to use at the same time. I've been looking for a M.2 switch or splitter of sorts but couldn't find anything, so I ...
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SMBus ARP working example
I've been playing around with an arduino and a few sensors when I came across this amazing communication protocol I2C with which a master can communicate with all of the sensors (or slaves in a more ...
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SMBUS on STM32F091
Any example code available to implement smbus(master and slave) interrupt mode on stm32f091rc ? Tried using the HAL functions was not successful?
In Master mode to transmit I use
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Writing to BQ25700A with i2c_smbus_write_block_data
I'm trying to write to a TI buck boost charger (BQ25700A) using the i2c_smbus_write_block_data command, to try to provide current to a battery.
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No voltage at battery terminals
I replaced the cells on my Laptop unfortunately disconnected BMS while doing so.
HP battery check says each cell voltage and Temp correctly and calibration warning but can't calibrate as no terminal ...
