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Diffstat (limited to 'tests/i2c-master/README.md')
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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 + |