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| author | Karl Palsson <karlp@tweak.net.au> | 2017-02-21 21:37:36 +0000 |
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| committer | Karl Palsson <karlp@tweak.net.au> | 2017-02-21 21:37:36 +0000 |
| commit | 115b771e56aba7e7d066c8a58819d61d51009116 (patch) | |
| tree | 01ebdff93d99eeb26ea0f3461c2abee2c8b9374b /tests/i2c-master/README.md | |
| parent | 3a79a3b923fc01480924b4bba09009638f4a22b1 (diff) | |
| download | olsndot-115b771e56aba7e7d066c8a58819d61d51009116.tar.gz olsndot-115b771e56aba7e7d066c8a58819d61d51009116.tar.bz2 olsndot-115b771e56aba7e7d066c8a58819d61d51009116.zip | |
i2c: Initial stub import of old f4 code
Currently (despite docs) is an import of code reading the onboard i2c
peripheral
Diffstat (limited to 'tests/i2c-master/README.md')
| -rw-r--r-- | tests/i2c-master/README.md | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/i2c-master/README.md b/tests/i2c-master/README.md new file mode 100644 index 0000000..74acefb --- /dev/null +++ b/tests/i2c-master/README.md @@ -0,0 +1,17 @@ +i2c master mode tests. + +While many of the disco boards have some form of i2c device onboard, +which would, on the face of it, make testing easy, it's a different +device on each board, and there are boards without it. + +Instead, use a known I2C peripheral on all boards, and require/expect +a known fixed i2c slave device. (Eventually, this will be a soft +controllable i2c slave in the auto test setup ;) + +Debug is via SWO wherever possible, PA2 (tx only) on less capable cores + +Pinouts: + +board SCLK SDA +f4-disco PB8 PB9 i2c1 + |