🔧 Allow TMC_BAUD_RATE override

2025-01-19 08:08:25 +00:00 · 2023-05-05 20:46:33 -05:00 · 2023-05-05 20:46:33 -05:00 · 40895cbcbb
commit 40895cbcbb
parent 85325f585a
51 changed files with 232 additions and 92 deletions
--- a/Marlin/src/pins/esp32/pins_ENWI_ESPNP.h
+++ b/Marlin/src/pins/esp32/pins_ENWI_ESPNP.h
@ -91,7 +91,9 @@
 #define K_CS_PIN                             159

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

 //
 // Temperature Sensors
--- a/Marlin/src/pins/gd32f1/pins_SOVOL_V131.h
+++ b/Marlin/src/pins/gd32f1/pins_SOVOL_V131.h
@ -63,7 +63,9 @@
  #define E0_SERIAL_RX_PIN                  PC14

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

 #endif // HAS_TMC_UART

--- a/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_3.h
+++ b/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_3.h
@ -186,8 +186,11 @@
  #define E1_SERIAL_RX_PIN                 P1_01

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 /**
 *                 ------                                     ------
--- a/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h
+++ b/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h
@ -243,8 +243,11 @@
  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 /**       ------                ------
 *  1.30 | 1  2 | 0.28    0.17 | 1  2 | 0.15
--- a/Marlin/src/pins/lpc1768/pins_GMARSH_X6_REV1.h
+++ b/Marlin/src/pins/lpc1768/pins_GMARSH_X6_REV1.h
@ -106,7 +106,9 @@
  #define E2_SERIAL_RX_PIN      E2_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
 #else
  #error "TMC2208 UART configuration is required for GMarsh X6."
 #endif
--- a/Marlin/src/pins/lpc1768/pins_MKS_SBASE.h
+++ b/Marlin/src/pins/lpc1768/pins_MKS_SBASE.h
@ -336,8 +336,11 @@
  #define E0_SERIAL_RX_PIN                 P0_26  // TH4

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 // UNUSED
 //#define PIN_P0_02                        P0_02  // AUX1 (Interrupt Capable/ADC/Serial Port 0)
--- a/Marlin/src/pins/lpc1768/pins_MKS_SGEN_L.h
+++ b/Marlin/src/pins/lpc1768/pins_MKS_SGEN_L.h
@ -184,7 +184,10 @@
  #define Z2_SERIAL_RX_PIN                 P1_17

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
 #endif // HAS_TMC_UART

 //
--- a/Marlin/src/pins/lpc1768/pins_RAMPS_RE_ARM.h
+++ b/Marlin/src/pins/lpc1768/pins_RAMPS_RE_ARM.h
@ -151,8 +151,11 @@
  #endif

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/lpc1769/pins_BTT_SKR_E3_TURBO.h
+++ b/Marlin/src/pins/lpc1769/pins_BTT_SKR_E3_TURBO.h
@ -153,8 +153,11 @@
  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // TMC Low Power Standby pins
--- a/Marlin/src/pins/lpc1769/pins_FLY_CDY.h
+++ b/Marlin/src/pins/lpc1769/pins_FLY_CDY.h
@ -126,8 +126,11 @@
  #define E2_SERIAL_RX_PIN      E2_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/lpc1769/pins_MKS_SGEN.h
+++ b/Marlin/src/pins/lpc1769/pins_MKS_SGEN.h
@ -56,5 +56,8 @@
  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART
--- a/Marlin/src/pins/lpc1769/pins_MKS_SGEN_L_V2.h
+++ b/Marlin/src/pins/lpc1769/pins_MKS_SGEN_L_V2.h
@ -195,7 +195,10 @@
  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
 #endif // HAS_TMC_UART

 //
--- a/Marlin/src/pins/lpc1769/pins_TH3D_EZBOARD.h
+++ b/Marlin/src/pins/lpc1769/pins_TH3D_EZBOARD.h
@ -99,8 +99,11 @@
  #define E0_SERIAL_RX_PIN                 P0_21

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temp Sensors
--- a/Marlin/src/pins/ramps/pins_RAMPS.h
+++ b/Marlin/src/pins/ramps/pins_RAMPS.h
@ -337,8 +337,9 @@
   * Hardware serial communication ports.
   * If undefined software serial is used according to the pins below
   *
-   * Serial2 -- AUX-4 Pin 18 (D16 TX2) and AUX-4 Pin 17 (D17 RX2)
-   * Serial1 -- Pins D18 and D19 are used for Z-MIN and Z-MAX
+   * Serial1 -- TX1 = D18   RX1 = D19 (Z-MIN and Z-MAX on RAMPS)
+   * Serial2 -- TX2 = D16   RX2 = D17 (AUX4-18 and AUX4-17)
+   * Serial3 -- TX3 = D14   RX3 = D15 (Available on some RAMPS-like boards)
   */
  //#define X_HARDWARE_SERIAL Serial1
  //#define X2_HARDWARE_SERIAL Serial1
--- a/Marlin/src/pins/ramps/pins_TRIGORILLA_14.h
+++ b/Marlin/src/pins/ramps/pins_TRIGORILLA_14.h
@ -69,6 +69,7 @@
 *       IIC : 12V GND D21 D20 GND 5V
 *                    (SCL SDA)
 *
+ *             TX2 RX2 RX3 TX3
 * END STOPS : D19 D18 D15 D14 D2  D3
 *             GND GND GND GND GND GND
 *             5V  5V  5V  5V  5V  5V
--- a/Marlin/src/pins/stm32f1/pins_BTT_SKR_E3_DIP.h
+++ b/Marlin/src/pins/stm32f1/pins_BTT_SKR_E3_DIP.h
@ -131,8 +131,11 @@
  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_V1_2.h
+++ b/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_V1_2.h
@ -46,5 +46,8 @@
  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE 19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART
--- a/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_V1_1.h
+++ b/Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_V1_1.h
@ -93,8 +93,11 @@
  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Heaters / Fans
--- a/Marlin/src/pins/stm32f1/pins_CCROBOT_MEEB_3DP.h
+++ b/Marlin/src/pins/stm32f1/pins_CCROBOT_MEEB_3DP.h
@ -100,7 +100,9 @@
 #endif

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

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32f1/pins_FLSUN_HISPEED.h
+++ b/Marlin/src/pins/stm32f1/pins_FLSUN_HISPEED.h
@ -128,7 +128,9 @@
  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
  #define Z_SERIAL_TX_PIN                   PC7   // IO1
  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
-  #define TMC_BAUD_RATE                    19200
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
 #else
  // Motor current PWM pins
  #define MOTOR_CURRENT_PWM_XY_PIN          PA6   // VREF2/3 CONTROL XY
@ -169,7 +171,6 @@
 #if AXIS_DRIVER_TYPE_E0(TMC2208) || AXIS_DRIVER_TYPE_E0(TMC2209)
  #define E0_SERIAL_TX_PIN                  PA8   // IO0
  #define E0_SERIAL_RX_PIN                  PA8   // IO0
-  #define TMC_BAUD_RATE                    19200
 #else
  // Motor current PWM pins
  #define MOTOR_CURRENT_PWM_E_PIN           PB0   // VREF1 CONTROL E
--- a/Marlin/src/pins/stm32f1/pins_FYSETC_AIO_II.h
+++ b/Marlin/src/pins/stm32f1/pins_FYSETC_AIO_II.h
@ -118,8 +118,11 @@
  #endif

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Stepper current PWM
--- a/Marlin/src/pins/stm32f1/pins_FYSETC_CHEETAH_V12.h
+++ b/Marlin/src/pins/stm32f1/pins_FYSETC_CHEETAH_V12.h
@ -55,5 +55,8 @@
  #define E0_SERIAL_RX_PIN                  PA3

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE 19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART
--- a/Marlin/src/pins/stm32f1/pins_MKS_ROBIN_E3P.h
+++ b/Marlin/src/pins/stm32f1/pins_MKS_ROBIN_E3P.h
@ -156,7 +156,10 @@
  #define E0_SERIAL_RX_PIN                  PD9

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
 #endif // HAS_TMC_UART

 //
--- a/Marlin/src/pins/stm32f1/pins_MKS_ROBIN_E3_common.h
+++ b/Marlin/src/pins/stm32f1/pins_MKS_ROBIN_E3_common.h
@ -112,8 +112,11 @@
  #define E0_SERIAL_RX_PIN                  PC11

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Heaters 0,1 / Fans / Bed
--- a/Marlin/src/pins/stm32f1/pins_MKS_ROBIN_NANO_V2.h
+++ b/Marlin/src/pins/stm32f1/pins_MKS_ROBIN_NANO_V2.h
@ -163,7 +163,10 @@
  #define E1_SERIAL_RX_PIN                  PD8

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
 #endif // HAS_TMC_UART

 //
--- a/Marlin/src/pins/stm32f1/pins_PANDA_PI_V29.h
+++ b/Marlin/src/pins/stm32f1/pins_PANDA_PI_V29.h
@ -125,8 +125,11 @@
  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32f4/pins_ARMED.h
+++ b/Marlin/src/pins/stm32f4/pins_ARMED.h
@ -223,5 +223,8 @@
  #define Z2_SERIAL_RX_PIN              EXT4_PIN
  #define Z2_SERIAL_TX_PIN              EXT4_PIN

-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART
--- a/Marlin/src/pins/stm32f4/pins_BTT_BTT002_V1_0.h
+++ b/Marlin/src/pins/stm32f4/pins_BTT_BTT002_V1_0.h
@ -152,8 +152,11 @@
  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32f4/pins_BTT_E3_RRF.h
+++ b/Marlin/src/pins/stm32f4/pins_BTT_E3_RRF.h
@ -131,8 +131,11 @@
  #endif

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE 19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32f4/pins_BTT_GTR_V1_0.h
+++ b/Marlin/src/pins/stm32f4/pins_BTT_GTR_V1_0.h
@ -282,8 +282,11 @@
  #endif

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32f4/pins_BTT_OCTOPUS_V1_common.h
+++ b/Marlin/src/pins/stm32f4/pins_BTT_OCTOPUS_V1_common.h
@ -299,8 +299,11 @@
  #define E3_SERIAL_RX_PIN      E3_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 /**               ------                                      ------
 * (BEEPER) PE8  | 1  2 | PE7  (BTN_ENC)         (MISO) PA6  | 1  2 | PA5  (SCK)
--- a/Marlin/src/pins/stm32f4/pins_BTT_SKR_PRO_common.h
+++ b/Marlin/src/pins/stm32f4/pins_BTT_SKR_PRO_common.h
@ -222,8 +222,11 @@
  #define E2_SERIAL_RX_PIN      E2_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32f4/pins_BTT_SKR_V2_0_common.h
+++ b/Marlin/src/pins/stm32f4/pins_BTT_SKR_V2_0_common.h
@ -322,8 +322,11 @@
  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // SD Connection
--- a/Marlin/src/pins/stm32f4/pins_LERDGE_K.h
+++ b/Marlin/src/pins/stm32f4/pins_LERDGE_K.h
@ -159,8 +159,11 @@
  //#define E2_SERIAL_RX_PIN    EX_SERIAL_RX_PIN
  //#define E2_SERIAL_TX_PIN    EX_SERIAL_TX_PIN
  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32f4/pins_MKS_MONSTER8_common.h
+++ b/Marlin/src/pins/stm32f4/pins_MKS_MONSTER8_common.h
@ -175,8 +175,11 @@
  #define E4_SERIAL_RX_PIN      E4_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32f4/pins_MKS_ROBIN_NANO_V3_common.h
+++ b/Marlin/src/pins/stm32f4/pins_MKS_ROBIN_NANO_V3_common.h
@ -108,8 +108,11 @@
  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32f4/pins_MKS_ROBIN_PRO_V2.h
+++ b/Marlin/src/pins/stm32f4/pins_MKS_ROBIN_PRO_V2.h
@ -160,7 +160,10 @@
  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
 #endif // HAS_TMC_UART

 //
--- a/Marlin/src/pins/stm32f4/pins_MKS_SKIPR_V1_0.h
+++ b/Marlin/src/pins/stm32f4/pins_MKS_SKIPR_V1_0.h
@ -211,8 +211,11 @@
  #define E3_SERIAL_RX_PIN      E3_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 /**               ------                                      ------
 * (BEEPER) PB2  | 1  2 | PE10 (BTN_ENC)         (MISO) PA6  | 1  2 | PA5  (SCK)
--- a/Marlin/src/pins/stm32f4/pins_OPULO_LUMEN_REV3.h
+++ b/Marlin/src/pins/stm32f4/pins_OPULO_LUMEN_REV3.h
@ -144,9 +144,11 @@
  #define K_SERIAL_RX_PIN        K_SERIAL_TX_PIN

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

-#endif
+#endif // HAS_TMC_UART

 //
 // Heaters / Fans
--- a/Marlin/src/pins/stm32f4/pins_OPULO_LUMEN_REV4.h
+++ b/Marlin/src/pins/stm32f4/pins_OPULO_LUMEN_REV4.h
@ -141,9 +141,11 @@
  #define K_SERIAL_RX_PIN        K_SERIAL_TX_PIN

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

-#endif
+#endif // HAS_TMC_UART

 //
 // Heaters / Fans
--- a/Marlin/src/pins/stm32f4/pins_TH3D_EZBOARD_V2.h
+++ b/Marlin/src/pins/stm32f4/pins_TH3D_EZBOARD_V2.h
@ -132,9 +132,6 @@
  #define E0_SERIAL_TX_PIN                  PC10
  #define E0_SERIAL_RX_PIN                  PC11

-  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-
  // Default TMC slave addresses
  #ifndef X_SLAVE_ADDRESS
    #define X_SLAVE_ADDRESS  0
@ -148,7 +145,13 @@
  #ifndef E0_SLAVE_ADDRESS
    #define E0_SLAVE_ADDRESS 3
  #endif
-#endif
+
+  // Reduce baud rate to improve software serial reliability
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temp Sensors
--- a/Marlin/src/pins/stm32g0/pins_BTT_EBB42_V1_1.h
+++ b/Marlin/src/pins/stm32g0/pins_BTT_EBB42_V1_1.h
@ -110,7 +110,9 @@
  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN

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

  // Default TMC slave addresses
  #ifndef E0_SLAVE_ADDRESS
--- a/Marlin/src/pins/stm32g0/pins_BTT_MANTA_E3_EZ_V1_0.h
+++ b/Marlin/src/pins/stm32g0/pins_BTT_MANTA_E3_EZ_V1_0.h
@ -172,8 +172,11 @@
  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32g0/pins_BTT_MANTA_M4P_V1_0.h
+++ b/Marlin/src/pins/stm32g0/pins_BTT_MANTA_M4P_V1_0.h
@ -138,8 +138,11 @@
  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32g0/pins_BTT_MANTA_M5P_V1_0.h
+++ b/Marlin/src/pins/stm32g0/pins_BTT_MANTA_M5P_V1_0.h
@ -158,8 +158,11 @@
  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32g0/pins_BTT_MANTA_M8P_V1_0.h
+++ b/Marlin/src/pins/stm32g0/pins_BTT_MANTA_M8P_V1_0.h
@ -64,8 +64,11 @@
  #define E3_SERIAL_RX_PIN      E3_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // NeoPixel LED
--- a/Marlin/src/pins/stm32g0/pins_BTT_MANTA_M8P_V1_1.h
+++ b/Marlin/src/pins/stm32g0/pins_BTT_MANTA_M8P_V1_1.h
@ -63,8 +63,11 @@
  #define E3_SERIAL_RX_PIN      E3_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // NeoPixel LED
--- a/Marlin/src/pins/stm32g0/pins_BTT_MANTA_M8P_common.h
+++ b/Marlin/src/pins/stm32g0/pins_BTT_MANTA_M8P_common.h
@ -194,8 +194,11 @@
  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32h7/pins_BTT_OCTOPUS_MAX_EZ.h
+++ b/Marlin/src/pins/stm32h7/pins_BTT_OCTOPUS_MAX_EZ.h
@ -318,8 +318,11 @@
  #define E5_SERIAL_RX_PIN      E3_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 /**
 *                    ----
--- a/Marlin/src/pins/stm32h7/pins_BTT_SKR_SE_BX_common.h
+++ b/Marlin/src/pins/stm32h7/pins_BTT_SKR_SE_BX_common.h
@ -141,8 +141,11 @@
  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // Temperature Sensors
--- a/Marlin/src/pins/stm32h7/pins_BTT_SKR_V3_0_common.h
+++ b/Marlin/src/pins/stm32h7/pins_BTT_SKR_V3_0_common.h
@ -310,8 +310,11 @@
  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN

  // Reduce baud rate to improve software serial reliability
-  #define TMC_BAUD_RATE                    19200
-#endif
+  #ifndef TMC_BAUD_RATE
+    #define TMC_BAUD_RATE                  19200
+  #endif
+
+#endif // HAS_TMC_UART

 //
 // SD Connection