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| author | ckielstra <c.kielstra@ultimaker.com> | 2020-04-13 21:29:02 +0200 |
|---|---|---|
| committer | ckielstra <c.kielstra@ultimaker.com> | 2021-02-25 14:18:59 +0100 |
| commit | 5ce1773fdce16a0b184363695a7d7d9483c4da0c (patch) | |
| tree | 133abcfd832bca6822e092e41d1263281aafeb06 | |
| parent | 0e7634747568547b8a7f9fd0c48ed74f16af4b23 (diff) | |
| download | pyserial-git-5ce1773fdce16a0b184363695a7d7d9483c4da0c.tar.gz | |
Add support for setting a custom baudrate on the MIPS platform
Fixed the issue where a custom baudrate could not be set for the MIPS platform.
The hard coded values in the IOCTL call do differ in MIPS when compared to most other platforms.
| -rw-r--r-- | serial/serialposix.py | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/serial/serialposix.py b/serial/serialposix.py index 7aceb76..0464075 100644 --- a/serial/serialposix.py +++ b/serial/serialposix.py @@ -32,6 +32,7 @@ from __future__ import absolute_import import errno import fcntl import os +import platform import select import struct import sys @@ -80,8 +81,14 @@ if plat[:5] == 'linux': # Linux (confirmed) # noqa CMSPAR = 0o10000000000 # Use "stick" (mark/space) parity # baudrate ioctls - TCGETS2 = 0x802C542A - TCSETS2 = 0x402C542B + if platform.machine().lower() == "mips": + TCGETS2 = 0x4030542A + TCSETS2 = 0x8030542B + BAUDRATE_OFFSET = 10 + else: + TCGETS2 = 0x802C542A + TCSETS2 = 0x402C542B + BAUDRATE_OFFSET = 9 BOTHER = 0o010000 # RS485 ioctls @@ -154,7 +161,7 @@ if plat[:5] == 'linux': # Linux (confirmed) # noqa # set custom speed buf[2] &= ~termios.CBAUD buf[2] |= BOTHER - buf[9] = buf[10] = baudrate + buf[BAUDRATE_OFFSET] = buf[BAUDRATE_OFFSET + 1] = baudrate # set serial_struct fcntl.ioctl(self.fd, TCSETS2, buf) |