devc-sermx8
Serial driver for the i.MX8 boards
Syntax:
devc-sermx8 [options] [port[,irq]]Runs on:
QNX OS
Options:
[-b number]
[-c clock[/div]]
[-C number]
[-e] [-E]
[-f] [-F]
[-I number]
[-o opt[,opt...]
[-O number]
[-s] [-S]
[-u unit]
[-v]This driver supports generic devc-ser* options. For information
about those options, see devc-ser*
in the QNX OS Utilities Reference guide in the QNX Software Development Platform 8.0
documentation.
In addition to the generic devc-ser* options, this driver supports the following options:
- -d
- Use DMA mode(default is non-DMA mode).
- -l number
- Number of IDLE characters (default 4). Used only when DMA mode is enabled. Possible values: 1, 2, 4, 8, 16, 32, 64, 128.
- -t number
- Set receive FIFO trigger level (default 1).
- -T number
- Set number of characters to send to transmit FIFO (default 32).
Examples:
Disable the hardware and software flow control for a UART device with the base
address of 0x5A080000 and the IRQ 253.
devc-sermx8 -e -F -S 0x5A080000,253Enable DMA and hardware flow control for a UART device with the base address 0x5A080000 and the IRQ 253.
devc-sermx8 -d -E -f -S 0x5A080000,253Page updated: