It controls the character that's used to (asynchronously) raise a
KeyboardInterrupt exception. Passing "-1" allows to disable the
interception of the interrupt character (as long as a port allows such a
behaviour).
This aligns the I2C class to match the standard machine.I2C API.
Note that this is a (small) breaking change to the existing cc3200 API.
The original API just returned the size of the input buffer so there's no
information lost by this change. To update scripts users should just use
the size of the buffer passed to these functions to get the number of bytes
that are read/written.
This is a user-facing change to the cc3200's API, to make it conform to the
new machine hardware API. The changes are:
- change I2C constructor to: I2C(id=0, *, freq=100000, scl=None, sda=None)
- change I2C init to: init(*, freq, scl, sda)
- removal of machine.I2C.MASTER constant
- I2C str/repr no longer prints I2C.MASTER
To update existing code it should be enough to just remove the I2C.MASTER
constant from contructor/init for I2C.
If we got a CRASH result, return early, similar to SKIP. This is important
because previous refactor changed branching logic a bit, so CRASH now gets
post-processed into CRASH\n, which broke remote hardware tests.
A shorter name takes less code size, less room in scripts and is faster to
type at the REPL.
Tests and HW-API examples are updated to reflect the change.
As Zephyr currently doesn't handle MTU itself (ZEP-1998), limit amount
of data we send on our side.
Also, if we get unsuccessful result from net_nbuf_append(), calculate
how much data it has added still. This works around ZEP-1984.
Damien George
Paul Sokolovsky