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27 Commits

Author SHA1 Message Date
Angus Gratton
e8d3df51dc stm32/pyb_can: Make pyb.CAN baud calculation a little more forgiving. 
Not every baudrate or sample point combination has an exact match,
but getting within 1% on sample point and .1% on baud rate should
always be good enough.

Because the search goes from shorter bit periods (lowest brp) and
increases, the first match which meets this criteria should still mostly be
the best available.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
 2025-01-17 12:13:17 +11:00
Damien George
b1229efbd1 all: Fix spelling mistakes based on codespell check. 
Signed-off-by: Damien George <damien@micropython.org>
 2023-04-27 18:03:06 +10:00
Sky
c1ae7d7534 docs/library/pyb.CAN: Update the recv example to take a 5-tuple. 
A supplement to commit 5cdf964571
 2022-11-15 22:50:17 +11:00
Damien George
9175482f29 docs/library: Remove unnecessary "pyb." prefix on class names. 
Otherwise these classes are refered to with a double prefix, like
pyb.pyb.ADC.

Signed-off-by: Damien George <damien@micropython.org>
 2022-06-21 14:33:23 +10:00
iabdalkader
5cdf964571 docs/library/pyb.CAN: Update CAN docs to match revised API. 2022-04-02 22:46:07 +11:00
Mike Causer
47b778332a all: Replace busses with buses. 
"buses" is the widely accepted plural form of "bus".
 2021-05-20 23:22:03 +10:00
iabdalkader
20f8ce1982 stm32/pyb_can: Add ability to calculate CAN bit timing from baudrate. 
Calculate the bit timing from baudrate if provided, allowing sample point
override.  This makes it a lot easier to make CAN work between different
MCUs with different clocks, prescalers etc.

Tested on F4, F7 and H7 Y/V variants.
 2020-12-17 23:01:15 +11:00
Zenix27
e76c7466b6 docs: Change \* to * in argument lists. 
Latest versions of Sphinx (at least 3.1.0) do not need the `*` escaped and
will render the `\` in the output if it is there, so remove it.

Fixes issue #6209.
 2020-08-21 12:24:13 +10:00
Damien George
90c524c114 docs: Remove spaces on lines that are empty. 2019-12-04 15:02:54 +11:00
Damien George
0abbafd424 stm32/can: Add "list" param to CAN.recv() to receive data inplace. 
This API matches (as close as possible) how other pyb classes allow inplace
operations, such as pyb.SPI.recv(buf).
 2018-03-19 15:12:24 +11:00
Damien George
b7d576d69a docs/library/pyb.CAN: Clean up documentation of data constants. 2018-03-16 18:29:43 +11:00
Damien George
a25e6c6b65 stm32/can: Add CAN.info() method to retrieve error and tx/rx buf info. 2018-03-16 18:28:35 +11:00
Damien George
d7e67fb1b4 stm32/can: Add CAN.state() method to get the state of the controller. 
This is useful for monitoring errors on the bus and knowing when a restart
is needed.
 2018-03-16 17:10:41 +11:00
Damien George
1272c3c65d stm32/can: Add CAN.restart() method so controller can leave bus-off. 2018-03-15 17:29:30 +11:00
Damien George
823ca03008 stm32/can: Add "auto_restart" option to constructor and init() method. 2018-03-15 17:17:33 +11:00
Damien George
d91a1989f5 docs/library/pyb.CAN: Update markup to use latest doc conventions. 2018-03-15 16:30:05 +11:00
Mike Causer
b1457db002 docs/library: Add missing cross-ref links for classes in pyb module. 2017-10-11 11:30:16 +11:00
Paul Sokolovsky
a384a53130 docs/pyb.*: Use proper class case in method headers. 
Class designator will be used as is in indexes, so must match actual class
name.
 2016-06-08 16:21:28 +03:00
Paul Sokolovsky
8171995ee9 docs/pyb.CAN: Mark CAN.initfilterbanks() as classmethod explicitly. 2016-06-08 15:49:30 +03:00
Paul Sokolovsky
0a4cc24b2e docs/pyb.*: Add "currentmodule:: pyb" directive. 
Makes sure that classes described in these separate files are properly
designated as belonging to "pyb" module in indexes.
 2016-06-08 00:57:41 +03:00
Henrik
e3cd154317 stmhal: Add support for sending and receiving CAN RTR messages. 2015-04-18 14:53:00 +01:00
Damien George
7d5e34287c stmhal: Allow sending CAN messages with timeout=0. 
Thanks to Henrik Sölver for this patch.
 2015-04-16 23:52:43 +01:00
Henrik Sölver
f80f1a7077 stmhal: Add support for CAN rx callbacks. 2015-02-15 03:10:53 +00:00
Henrik Sölver
d8c2b2a1c4 Update documentation for the CAN class 2014-11-30 01:04:56 +00:00
Damien George
d1b42d7b51 stmhal: Improve CAN init so that it can take sjw, bs1, bs2 args. 
Also update docs to explain how CAN baudrate is determined.
 2014-11-15 21:28:14 +00:00
Damien George
a58713a899 docs: Cleanup and update some docs. 2014-10-31 22:21:37 +00:00
Damien George
88d3054ac0 docs: Import documentation from source-code inline comments. 
The inline docs (prefixed with /// in .c files) have been converted to
RST format and put in the docs subdirectory.
 2014-10-31 01:37:19 +00:00