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📌 SKR Mini V1.1 TMC UART Pins (#23970)

Keith Bennett 2 years ago
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1 changed files with 17 additions and 0 deletions
  1. 17
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      Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_V1_1.h

+ 17
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Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_V1_1.h View File

@@ -80,6 +80,23 @@
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   #endif
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 #endif
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+#if HAS_TMC_UART                                  // Shared with EXP1
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+  #define X_SERIAL_TX_PIN                  PC10
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+  #define X_SERIAL_RX_PIN       X_SERIAL_TX_PIN
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+
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+  #define Y_SERIAL_TX_PIN                  PC11
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+  #define Y_SERIAL_RX_PIN       Y_SERIAL_TX_PIN
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+
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+  #define Z_SERIAL_TX_PIN                  PC12
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+  #define Z_SERIAL_RX_PIN       Z_SERIAL_TX_PIN
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+
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+  #define E0_SERIAL_TX_PIN                 PC14
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+  #define E0_SERIAL_RX_PIN     E0_SERIAL_TX_PIN
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+
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+  // Reduce baud rate to improve software serial reliability
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+  #define TMC_BAUD_RATE                   19200
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+#endif
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+
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 //
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 // Heaters / Fans
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 //

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