14 lines
448 B
Markdown
14 lines
448 B
Markdown
# README
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This example program echoes data sent in on USART2 on the
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ST STM32F4DISCOVERY eval board. Uses interrupts for that purpose.
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The sending is done in a nonblocking way.
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## Board connections
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| Port | Function | Description |
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| ----- | ------------- | --------------------------------- |
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| `PA2` | `(USART2_TX)` | TTL serial output `(38400,8,N,1)` |
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| `PA3` | `(USART2_RX)` | TTL serial input `(38400,8,N,1)` |
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