483 questions
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20
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How to process the data from FT601 then output the result?
I'm struggling the general concept of using FTDI official verilog top module.
Has anyone use the mst_fifo_top.v as the interface between FT601 and FPGA?
I planned to apply multi-channel mode to read ...
- 1
-3
votes
1
answer
72
views
FT_SetLatencyTimer not persisted
I've executed FT_SetLatencyTimer and got FT_OK as returned value. However when I check my COM port in the Windows device manager, it's still set to the default 16ms.
How can I make the change ...
- 107
-1
votes
0
answers
77
views
Which command to set GPIO pin high on FT4232H chip in MPSSE mode
I have a FTDI FT4232H-56Q (56 pin VQFN package) and want to use the MPSSE mode to set pin 17, ADBUS4 high - GPIO.
This document outlines PPSSE mode commands.
https://www.ftdichip.com/old2020/Support/...
- 9,872
0
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0
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36
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How do I read an FTDI device with my Android App?
I am trying to create an App for Android devices in C# MAUI, that connects to an FTDI Device (FT232R) and reads out messages. The SerialPort Settings are:
BaudRate 9600
Databits 7
Stopbits 1
Parity ...
- 87
-1
votes
0
answers
52
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FTDI Communication Problem with Pylibftdi on a Windows Machine
I have a Digilent Nexys Video Artix-7 FPGA development board. This board has two Micro USB ports. One is used for UART-USB communication, and the other one for uploading bitstreams(as a JTAG). I ...
-1
votes
0
answers
301
views
STM32 USB Host. Virtual Port Com. FTDI and CH340
I use the stm32g0b1 microcontroller to USB Host. I use the HAL library from STMicroelectronics. Class for FS IP: Communication Host Class (Virtual Port Com). And it works great with other ...
- 9
0
votes
0
answers
75
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How can I get the number of bytes available to read using liftdi/libusb (on macos specifically)?
We are porting our serial code to libftdi (in the macos build of our app). Everything works great except that it's not apparent how to get the number of available bytes to read. This was the code we ...
- 49
0
votes
1
answer
131
views
How to obtain SPI slave transfer (read/write during same clock) using UMFT4222EV-D and its library
I am trying to create a SPI class that contains a member function (transfer) that does an SPI slave transfer in SPI MODE 0. My setup is based on a UMFT4222EV-D USB board using the libft4222.a library ...
- 2,116
3
votes
1
answer
202
views
Why does reading from a serial port using `poll()` sometimes return `0x00` instead of the actual byte?
I'm working on a Linux application that communicates with a HART modem over a serial port, specifically using a FTDI USB-to-serial modem. The application uses Boost.Asio for asynchronous serial ...
0
votes
0
answers
48
views
FTDI D2xx Read TCK value
I have a problem with ftdi (D2xx library).
I am using the D2xx (ftd2xx) library to control an FTDI FT2232H chip and configure it as JTAG.
To set the TCK clock, I use opcode 0x86 as follows:
// Command ...
- 31
0
votes
1
answer
134
views
CH340 usb to serial adapter tx .BreakState sustains while FTDI adapter is momentary?
I'm using USB to RS-232 adapters to provide discrete IO to run a set of STADCO Life-Saver traffic lights that I retrofit with BA9 based LED's.
A cool thing is that one RS-232 adapter has 3 outputs so ...
2
votes
1
answer
98
views
Issue with FTD2XX_NET.cs wrapper on Jetson Orin AGX (serial number and description empty)
I am experiencing an issue with the FTD2XX_NET.cs wrapper provided by FTDI Chip. This wrapper supports both Windows and Linux using conditional compilation directives (#IF WINDOWS and #IF LINUX) to ...
- 121
1
vote
0
answers
95
views
FT_OpenEx failed with error FT_DEVICE_NOT_FOUND
FT_OpenEx failed with error FT_DEVICE_NOT_FOUND after FT_CyclePort in run-time, but when I check by debugger step by step no error.
OS Windows 10 Pro 22H2 x64. CPU AMD FX(tm)-8320 Eight-Core Processor ...
1
vote
1
answer
136
views
Read EEPROM via SPI (C232HM)
I want to read a M95128-DRMF4TG/K EEPROM with a C232Hm MPSSE cable, with contains a C232H MPSSE controller. This is my code (C#):
private void ReadSPI(byte[] byteArray, int adress) //adress is 0x0100, ...
- 21
1
vote
0
answers
93
views
UART reading performance at high baud rates (FTDI + Windows)
I have an FPGA digitizer connected via FTDI FT4232 USB-UART converter to my Windows 10 computer. The communication speed is 5 Mega Bauds, 8N1. I am trying to read 1048576 bytes of data which is sent ...
- 963