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Add SKR Mini V1.1 TMC UART Pins #23970

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Apr 1, 2022
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Add SKR Mini V1.1 TMC UART Pins #23970

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17 changes: 17 additions & 0 deletions Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_V1_1.h
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,23 @@
#endif
#endif

#if HAS_TMC_UART // Shared with EXP1
#define X_SERIAL_TX_PIN PC10
#define X_SERIAL_RX_PIN X_SERIAL_TX_PIN

#define Y_SERIAL_TX_PIN PC11
#define Y_SERIAL_RX_PIN Y_SERIAL_TX_PIN

#define Z_SERIAL_TX_PIN PC12
#define Z_SERIAL_RX_PIN Z_SERIAL_TX_PIN

#define E0_SERIAL_TX_PIN PC14
#define E0_SERIAL_RX_PIN E0_SERIAL_TX_PIN

// Reduce baud rate to improve software serial reliability
#define TMC_BAUD_RATE 19200
#endif

//
// Heaters / Fans
//
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