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| author | Damien George <damien.p.george@gmail.com> | 2017-04-18 15:04:30 +1000 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2017-04-18 15:04:30 +1000 |
| commit | c49b265389c487ebeb12290fcbf7c0af89cdb038 (patch) | |
| tree | 7f5dbe4bc2868b69b02a5ce92aeb3fd97f935997 /docs/wipy/general.rst | |
| parent | 27f0862550fe9008d3a3b784ac31c105134f1a69 (diff) | |
| download | micropython-c49b265389c487ebeb12290fcbf7c0af89cdb038.tar.gz micropython-c49b265389c487ebeb12290fcbf7c0af89cdb038.zip | |
docs/wipy/general: Add section about specifics of I2C implementation.
Diffstat (limited to 'docs/wipy/general.rst')
| -rw-r--r-- | docs/wipy/general.rst | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/docs/wipy/general.rst b/docs/wipy/general.rst index b3d8e7892d..8b9b91c534 100644 --- a/docs/wipy/general.rst +++ b/docs/wipy/general.rst @@ -240,6 +240,23 @@ Additional Pin methods: Returns a list of the alternate functions supported by the pin. List items are a tuple of the form: ``('ALT_FUN_NAME', ALT_FUN_INDEX)`` +Additional details for machine.I2C +---------------------------------- + +On the WiPy there is a single hardware I2C peripheral, identified by "0". By +default this is the peripheral that is used when constructing an I2C instance. +The default pins are GP23 for SCL and GP13 for SDA, and one can create the +default I2C peripheral simply by doing:: + + i2c = machine.I2C() + +The pins and frequency can be specified as:: + + i2c = machine.I2C(freq=400000, scl='GP23', sda='GP13') + +Only certain pins can be used as SCL/SDA. Please refer to the pinout for further +information. + Known issues ------------ |