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docs: Update Protocol documentation with enumerations

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Kevin O'Connor 2019-04-01 21:32:33 -04:00
parent 2c851e1621
commit c30a6f2e6b
2 changed files with 38 additions and 28 deletions
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14
docs/MCU_Commands.md
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@ -12,7 +12,11 @@ format of commands and their transmission. The commands here are
described using their "printf" style syntax - for those unfamiliar
with that format, just note that where a '%...' sequence is seen it
should be replaced with an actual integer. For example, a description
with "count=%c" could be replaced with the text "count=10".
with "count=%c" could be replaced with the text "count=10". Note that
parameters that are considered "enumerations" (see the above protocol
document) actually take a string value which is automatically
converted to an integer value for the micro-controller. This is common
with parameters named "pin" (or that have a suffix of "_pin").
Startup Commands
================
@ -23,14 +27,6 @@ commands available for that purpose. Unlike most micro-controller
commands, these commands run as soon as they are received and they do
not require any particular setup.
Several of these commands will take a "pin=%u" parameter. The
low-level micro-controller software uses integer encodings of the
hardware pin numbers, but to make things more readable the host will
translate human readable pin names (eg, "PA3") to their equivalent
integer encodings. By convention, any parameter named "pin" or that
has a "_pin" suffix will use pin name translation by the
host.
Common startup commands:
* `set_digital_out pin=%u value=%c` : This command immediately