請先看『使用說明』

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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

Instructions (control via ap) We also provide demo application to control mode changing. All following operation should work with root privilege. • set_mode.c ◦ Control F81532/534 internal RTS operation mode. ◦ Using Linux RS485 ioctl TIOCGRS485/TIOCSRS485 to get/set mode. • set_gpio.c ◦ Control F81532/534 M0/M1/M2 output only pin to control target transceiver per port. ◦ Auto-detect sysfs or gpiolib to control F81532/534 Build demo application • change to demo application folder. • make clean ; make • you'll get set_mode & set_gpio in the same folder.

GPIO Mode table: • 0: 000 – RS422 (EVB) • 1: 001 – RS232 (EVB) • 2: 010 – RS485 (TX Enable with RTS Low) (EVB) • 3: 011 – RS485_1 (TX Enable with RTS High) (EVB) • 4: 100 – RS422_Term (EVB) • 5: 101 – RS232_coexist (EVB) • 6: 110 – RS485_Term (EVB) • 7: 111 – Shutdown (EVB) UART Mode table: • 1: eModeRS232 • 2: eModeRS485 (TX Enable with RTS Low) • 3: eModeRS485 (TX Enable with RTS High)