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diff --git a/examples/spiblink/README.md b/examples/spiblink/README.md new file mode 100644 index 0000000..3b18a8f --- /dev/null +++ b/examples/spiblink/README.md @@ -0,0 +1,18 @@ +This example shows simple SPI communication. It uses two MCUs. One is configured +as master. Other is configured as slave. Master has button connected to its input +and slave has output led. Button status is mirrored by slave led. + +Connection +---------- +Both MCUs needs basic power connections and crystal. +Except of that, they need following other connections. + +| Mater pin | Slave pin | Other connections | Description | +|-----------|-----------|-------------------|----------------------| +| PB1 | | Led | Indication of button | +| | PB1 | Led | Receive led | +| PB2 | PB2 | | SS | +| PB3 | PB3 | | MOSI | +| PB4 | PB4 | | MISO | +| PB5 | PB5 | | SCL | +| PC1 | | Pull down button | Input button | |