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native/platform: Add documentation for other uses of the TCK_DIR pin

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Étienne Machabée
2025-03-25 13:30:34 -04:00
parent f6dc521ea7
commit ce0d5e9293
1 changed files with 2 additions and 0 deletions
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src/platforms/native/platform.h
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@@ -65,6 +65,8 @@ extern int hwversion;
* TCK_DIR = PC15 (output) -- Hardware 6 and newer -- choose direction of the TCK pin.
* external pull-up (default high, output)
* set to LOW to allow multiple BMP to share the TCK/SWDCLK line
* for in-circuit communication (I2C, SPI) set to low to prevent conflict
* with other devices in the circuit
* input low, output high
* TDO = PA6 (input)
* TRACESWO = PB7 (input) -- To allow trace decoding using USART1