請先看『使用說明』

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Only Test GPIO R232/RS422/RS485 Function Only Test GPIO R232/RS422/RS485 Function

How to Install F81534 driver

Fintek F81534 driver install

1.Prepare the kernel tree & compiler tools for your distribution.

    #sudo su
    #apt-get update
    #apt-get install build-essential gcc

2.unzip driver zip file (F81534-532_DriverSourceCode-<version>_Linux.zip)

1. cd F81534
2. make clean ; make ; make install
3. modprobe usbserial
4. rmmod f81534 ; insmod f81534.ko

3.check new port added by “dmesg | grep ttyUSB”.

1. reboot

How to use F81534-change Mode

1.unzip tool zip file

1. make clean ; make
2. you'll get set_mode&set_gpio in the same folder

2.Using demo application

3.Example

Examples 1. Change ttyUSB3 to RS232 Mode

1. ./set_mode ttyUSB3 1
2. ./set_gpio ttyUSB3 1

Examples 2. Change ttyUSB3 to RS485 Mode

1. ./set_mode ttyUSB3 2
2. ./set_gpio ttyUSB3 2

Examples 3. Change ttyUSB3 to RS422 Mode

1. UART Mode is don’t care.
2. ./set_gpio ttyUSB3 0

Examples 4. Change ttyUSB3 to RS422 with termination Mode

1. UART Mode is don’t care.
2. ./set_gpio ttyUSB3 4

Examples 5. Change ttyUSB3 to RS485 with termination Mode

1. ./set_mode ttyUSB3 2
2. ./set_gpio ttyUSB3 6