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🎨 Tweak TMC software serial pins

Scott Lahteine 2 years ago
parent
104acd9e59
commit
2e3b131331
48 changed files with 235 additions and 299 deletions
Split View Show Diff Stats
  1. 0
    3
      Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_3.h
  2. 5
    8
      Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h
  3. 3
    3
      Marlin/src/pins/lpc1768/pins_BTT_SKR_common.h
  4. 11
    6
      Marlin/src/pins/lpc1768/pins_GMARSH_X6_REV1.h
  5. 3
    0
      Marlin/src/pins/lpc1768/pins_MKS_SBASE.h
  6. 0
    4
      Marlin/src/pins/lpc1768/pins_MKS_SGEN_L.h
  7. 4
    7
      Marlin/src/pins/lpc1768/pins_RAMPS_RE_ARM.h
  8. 5
    8
      Marlin/src/pins/lpc1769/pins_BTT_SKR_E3_TURBO.h
  9. 6
    6
      Marlin/src/pins/lpc1769/pins_FLY_CDY.h
  10. 9
    6
      Marlin/src/pins/lpc1769/pins_MKS_SGEN.h
  11. 9
    8
      Marlin/src/pins/lpc1769/pins_MKS_SGEN_L_V2.h
  12. 3
    1
      Marlin/src/pins/lpc1769/pins_TH3D_EZBOARD.h
  13. 13
    13
      Marlin/src/pins/ramps/pins_FYSETC_F6_13.h
  14. 11
    6
      Marlin/src/pins/ramps/pins_FYSETC_F6_14.h
  15. 10
    11
      Marlin/src/pins/ramps/pins_ORTUR_4.h
  16. 0
    4
      Marlin/src/pins/ramps/pins_RAMPS.h
  17. 0
    4
      Marlin/src/pins/ramps/pins_TT_OSCAR.h
  18. 0
    4
      Marlin/src/pins/ramps/pins_Z_BOLT_X_SERIES.h
  19. 8
    12
      Marlin/src/pins/samd/pins_RAMPS_144.h
  20. 4
    7
      Marlin/src/pins/stm32f1/pins_BTT_SKR_E3_DIP.h
  21. 4
    7
      Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_V1_2.h
  22. 14
    9
      Marlin/src/pins/stm32f1/pins_CCROBOT_MEEB_3DP.h
  23. 3
    3
      Marlin/src/pins/stm32f1/pins_FLSUN_HISPEED.h
  24. 4
    7
      Marlin/src/pins/stm32f1/pins_FLY_MINI.h
  25. 0
    3
      Marlin/src/pins/stm32f1/pins_FYSETC_CHEETAH_V12.h
  26. 3
    3
      Marlin/src/pins/stm32f1/pins_MKS_ROBIN.h
  27. 0
    4
      Marlin/src/pins/stm32f1/pins_MKS_ROBIN_E3P.h
  28. 0
    3
      Marlin/src/pins/stm32f1/pins_MKS_ROBIN_E3_common.h
  29. 0
    4
      Marlin/src/pins/stm32f1/pins_MKS_ROBIN_NANO_V2.h
  30. 0
    3
      Marlin/src/pins/stm32f1/pins_MKS_ROBIN_PRO.h
  31. 0
    3
      Marlin/src/pins/stm32f4/pins_ARMED.h
  32. 4
    7
      Marlin/src/pins/stm32f4/pins_BTT_BTT002_V1_0.h
  33. 6
    9
      Marlin/src/pins/stm32f4/pins_BTT_E3_RRF.h
  34. 11
    14
      Marlin/src/pins/stm32f4/pins_BTT_GTR_V1_0.h
  35. 11
    14
      Marlin/src/pins/stm32f4/pins_BTT_OCTOPUS_V1_common.h
  36. 6
    9
      Marlin/src/pins/stm32f4/pins_BTT_SKR_PRO_common.h
  37. 5
    8
      Marlin/src/pins/stm32f4/pins_BTT_SKR_V2_0_common.h
  38. 9
    10
      Marlin/src/pins/stm32f4/pins_FLYF407ZG.h
  39. 0
    3
      Marlin/src/pins/stm32f4/pins_FYSETC_S6.h
  40. 0
    1
      Marlin/src/pins/stm32f4/pins_FYSETC_S6_V2_0.h
  41. 17
    10
      Marlin/src/pins/stm32f4/pins_FYSETC_SPIDER.h
  42. 6
    6
      Marlin/src/pins/stm32f4/pins_LERDGE_K.h
  43. 8
    8
      Marlin/src/pins/stm32f4/pins_MKS_MONSTER8.h
  44. 5
    5
      Marlin/src/pins/stm32f4/pins_MKS_ROBIN_NANO_V3.h
  45. 5
    9
      Marlin/src/pins/stm32f4/pins_MKS_ROBIN_PRO_V2.h
  46. 0
    3
      Marlin/src/pins/stm32f4/pins_RUMBA32_MKS.h
  47. 5
    5
      Marlin/src/pins/stm32f7/pins_NUCLEO_F767ZI.h
  48. 5
    8
      Marlin/src/pins/stm32h7/pins_BTT_SKR_SE_BX.h

+ 0
- 3
Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_3.h View File 

@@ -164,9 +164,6 @@
164 164 
   //#define E3_HARDWARE_SERIAL Serial1
165 165 
   //#define E4_HARDWARE_SERIAL Serial1
166 166
167 
-  //
168 
-  // Software serial
169 
-  //
170 167 
   #define X_SERIAL_TX_PIN                  P4_29
171 168 
   #define X_SERIAL_RX_PIN                  P1_17
172 169

+ 5
- 8
Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h View File 

@@ -220,23 +220,20 @@
220 220 
   //#define E3_HARDWARE_SERIAL Serial1
221 221 
   //#define E4_HARDWARE_SERIAL Serial1
222 222
223 
-  //
224 
-  // Software serial
225 
-  //
226 223 
   #define X_SERIAL_TX_PIN                  P1_10
227 
-  #define X_SERIAL_RX_PIN                  P1_10
224 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
228 225
229 226 
   #define Y_SERIAL_TX_PIN                  P1_09
230 
-  #define Y_SERIAL_RX_PIN                  P1_09
227 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
231 228
232 229 
   #define Z_SERIAL_TX_PIN                  P1_08
233 
-  #define Z_SERIAL_RX_PIN                  P1_08
230 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
234 231
235 232 
   #define E0_SERIAL_TX_PIN                 P1_04
236 
-  #define E0_SERIAL_RX_PIN                 P1_04
233 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
237 234
238 235 
   #define E1_SERIAL_TX_PIN                 P1_01
239 
-  #define E1_SERIAL_RX_PIN                 P1_01
236 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
240 237
241 238 
   // Reduce baud rate to improve software serial reliability
242 239 
   #define TMC_BAUD_RATE                    19200

+ 3
- 3
Marlin/src/pins/lpc1768/pins_BTT_SKR_common.h View File 

@@ -172,7 +172,7 @@
172 172 
     #define E2_CS_PIN                EXP1_05_PIN
173 173 
     #if HAS_TMC_UART
174 174 
       #define E2_SERIAL_TX_PIN       EXP1_05_PIN
175 
-      #define E2_SERIAL_RX_PIN       EXP1_05_PIN
175 
+      #define E2_SERIAL_RX_PIN  E2_SERIAL_TX_PIN
176 176 
     #endif
177 177 
   #endif
178 178 
 
@@ -185,7 +185,7 @@
185 185 
     #define E3_CS_PIN                EXP1_07_PIN
186 186 
     #if HAS_TMC_UART
187 187 
       #define E3_SERIAL_TX_PIN       EXP1_07_PIN
188 
-      #define E3_SERIAL_RX_PIN       EXP1_07_PIN
188 
+      #define E3_SERIAL_RX_PIN  E3_SERIAL_TX_PIN
189 189 
     #endif
190 190 
   #else
191 191 
     #define E3_ENABLE_PIN            EXP2_04_PIN
 
@@ -200,7 +200,7 @@
200 200 
     #define E4_CS_PIN                EXP1_09_PIN
201 201 
     #if HAS_TMC_UART
202 202 
       #define E4_SERIAL_TX_PIN       EXP1_09_PIN
203 
-      #define E4_SERIAL_RX_PIN       EXP1_09_PIN
203 
+      #define E4_SERIAL_RX_PIN  E4_SERIAL_TX_PIN
204 204 
     #endif
205 205 
   #else
206 206 
     #define E4_ENABLE_PIN            EXP2_04_PIN

+ 11
- 6
Marlin/src/pins/lpc1768/pins_GMARSH_X6_REV1.h View File 

@@ -82,17 +82,22 @@
82 82 
 //
83 83 
 #if HAS_TMC_UART
84 84 
   #define X_SERIAL_TX_PIN                  P1_00
85 
-  #define X_SERIAL_RX_PIN                  P1_00
85 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
86 
+
86 87 
   #define Y_SERIAL_TX_PIN                  P1_09
87 
-  #define Y_SERIAL_RX_PIN                  P1_09
88 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
89 
+
88 90 
   #define Z_SERIAL_TX_PIN                  P1_16
89 
-  #define Z_SERIAL_RX_PIN                  P1_16
91 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
92 
+
90 93 
   #define E0_SERIAL_TX_PIN                 P0_04
91 
-  #define E0_SERIAL_RX_PIN                 P0_04
94 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
95 
+
92 96 
   #define E1_SERIAL_TX_PIN                 P2_02
93 
-  #define E1_SERIAL_RX_PIN                 P2_02
97 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
98 
+
94 99 
   #define E2_SERIAL_TX_PIN                 P2_06
95 
-  #define E2_SERIAL_RX_PIN                 P2_06
100 
+  #define E2_SERIAL_RX_PIN      E2_SERIAL_TX_PIN
96 101
97 102 
   // Reduce baud rate to improve software serial reliability
98 103 
   #define TMC_BAUD_RATE                    19200

+ 3
- 0
Marlin/src/pins/lpc1768/pins_MKS_SBASE.h View File 

@@ -327,10 +327,13 @@
327 327 
    */
328 328 
   #define X_SERIAL_TX_PIN                  P1_22  // J8-2
329 329 
   #define X_SERIAL_RX_PIN                  P2_12  // J8-4 Interrupt Capable
330 
+
330 331 
   #define Y_SERIAL_TX_PIN                  P1_23  // J8-3
331 332 
   #define Y_SERIAL_RX_PIN                  P2_11  // J8-5 Interrupt Capable
333 
+
332 334 
   #define Z_SERIAL_TX_PIN                  P2_12  // J8-4
333 335 
   #define Z_SERIAL_RX_PIN                  P0_25  // TH3
336 
+
334 337 
   #define E0_SERIAL_TX_PIN                 P4_28  // J8-6
335 338 
   #define E0_SERIAL_RX_PIN                 P0_26  // TH4
336 339

+ 0
- 4
Marlin/src/pins/lpc1768/pins_MKS_SGEN_L.h View File 

@@ -163,10 +163,6 @@
163 163 
   //#define E3_HARDWARE_SERIAL Serial1
164 164 
   //#define E4_HARDWARE_SERIAL Serial1
165 165
166 
-  //
167 
-  // Software serial
168 
-  //
169 
-
170 166 
   #define X_SERIAL_TX_PIN                  P1_04
171 167 
   #define X_SERIAL_RX_PIN                  P1_01
172 168

+ 4
- 7
Marlin/src/pins/lpc1768/pins_RAMPS_RE_ARM.h View File 

@@ -119,9 +119,6 @@
119 119 
    * If undefined software serial is used according to the pins below
120 120 
    */
121 121
122 
-  //
123 
-  // Software serial
124 
-  //
125 122
126 123 
   // P2_08 E1-Step
127 124 
   // P2_13 E1-Dir
 
@@ -130,28 +127,28 @@
130 127 
     #define X_SERIAL_TX_PIN                P0_01
131 128 
   #endif
132 129 
   #ifndef X_SERIAL_RX_PIN
133 
-    #define X_SERIAL_RX_PIN                P0_01
130 
+    #define X_SERIAL_RX_PIN      X_SERIAL_TX_PIN
134 131 
   #endif
135 132
136 133 
   #ifndef Y_SERIAL_TX_PIN
137 134 
     #define Y_SERIAL_TX_PIN                P0_00
138 135 
   #endif
139 136 
   #ifndef Y_SERIAL_RX_PIN
140 
-    #define Y_SERIAL_RX_PIN                P0_00
137 
+    #define Y_SERIAL_RX_PIN      Y_SERIAL_TX_PIN
141 138 
   #endif
142 139
143 140 
   #ifndef Z_SERIAL_TX_PIN
144 141 
     #define Z_SERIAL_TX_PIN                P2_13
145 142 
   #endif
146 143 
   #ifndef Z_SERIAL_RX_PIN
147 
-    #define Z_SERIAL_RX_PIN                P2_13
144 
+    #define Z_SERIAL_RX_PIN      Z_SERIAL_TX_PIN
148 145 
   #endif
149 146
150 147 
   #ifndef E0_SERIAL_TX_PIN
151 148 
     #define E0_SERIAL_TX_PIN               P2_08
152 149 
   #endif
153 150 
   #ifndef E0_SERIAL_RX_PIN
154 
-    #define E0_SERIAL_RX_PIN               P2_08
151 
+    #define E0_SERIAL_RX_PIN    E0_SERIAL_TX_PIN
155 152 
   #endif
156 153
157 154 
   // Reduce baud rate to improve software serial reliability

+ 5
- 8
Marlin/src/pins/lpc1769/pins_BTT_SKR_E3_TURBO.h View File 

@@ -129,23 +129,20 @@
129 129 
    * If undefined software serial is used according to the pins below
130 130 
    */
131 131
132 
-  //
133 
-  // Software serial
134 
-  //
135 132 
   #define X_SERIAL_TX_PIN                  P1_01
136 
-  #define X_SERIAL_RX_PIN                  P1_01
133 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
137 134
138 135 
   #define Y_SERIAL_TX_PIN                  P1_10
139 
-  #define Y_SERIAL_RX_PIN                  P1_10
136 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
140 137
141 138 
   #define Z_SERIAL_TX_PIN                  P1_17
142 
-  #define Z_SERIAL_RX_PIN                  P1_17
139 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
143 140
144 141 
   #define E0_SERIAL_TX_PIN                 P0_05
145 
-  #define E0_SERIAL_RX_PIN                 P0_05
142 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
146 143
147 144 
   #define E1_SERIAL_TX_PIN                 P0_22
148 
-  #define E1_SERIAL_RX_PIN                 P0_22
145 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
149 146
150 147 
   // Reduce baud rate to improve software serial reliability
151 148 
   #define TMC_BAUD_RATE                    19200

+ 6
- 6
Marlin/src/pins/lpc1769/pins_FLY_CDY.h View File 

@@ -104,22 +104,22 @@
104 104
105 105 
 #if HAS_TMC_UART
106 106 
   #define X_SERIAL_TX_PIN                  P1_04
107 
-  #define X_SERIAL_RX_PIN                  P1_04
107 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
108 108
109 109 
   #define Y_SERIAL_TX_PIN                  P1_10
110 
-  #define Y_SERIAL_RX_PIN                  P1_10
110 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
111 111
112 112 
   #define Z_SERIAL_TX_PIN                  P1_16
113 
-  #define Z_SERIAL_RX_PIN                  P1_16
113 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
114 114
115 115 
   #define E0_SERIAL_TX_PIN                 P4_28
116 
-  #define E0_SERIAL_RX_PIN                 P4_28
116 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
117 117
118 118 
   #define E1_SERIAL_TX_PIN                 P2_12
119 
-  #define E1_SERIAL_RX_PIN                 P2_12
119 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
120 120
121 121 
   #define E2_SERIAL_TX_PIN                 P0_10
122 
-  #define E2_SERIAL_RX_PIN                 P0_10
122 
+  #define E2_SERIAL_RX_PIN      E2_SERIAL_TX_PIN
123 123
124 124 
   // Reduce baud rate to improve software serial reliability
125 125 
   #define TMC_BAUD_RATE                    19200

+ 9
- 6
Marlin/src/pins/lpc1769/pins_MKS_SGEN.h View File 

@@ -38,17 +38,20 @@
38 38 
   /**
39 39 
    * TMC2208/TMC2209 stepper drivers
40 40 
    */
41 
-
42 41 
   #define X_SERIAL_TX_PIN                  P1_22  // J8-2
43 
-  #define X_SERIAL_RX_PIN                  P1_22  // J8-2
42 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
43 
+
44 44 
   #define Y_SERIAL_TX_PIN                  P1_23  // J8-3
45 
-  #define Y_SERIAL_RX_PIN                  P1_23  // J8-3
45 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
46 
+
46 47 
   #define Z_SERIAL_TX_PIN                  P2_12  // J8-4
47 
-  #define Z_SERIAL_RX_PIN                  P2_12  // J8-4
48 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
49 
+
48 50 
   #define E0_SERIAL_TX_PIN                 P2_11  // J8-5
49 
-  #define E0_SERIAL_RX_PIN                 P2_11  // J8-5
51 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
52 
+
50 53 
   #define E1_SERIAL_TX_PIN                 P4_28  // J8-6
51 
-  #define E1_SERIAL_RX_PIN                 P4_28  // J8-6
54 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
52 55
53 56 
   // Reduce baud rate to improve software serial reliability
54 57 
   #define TMC_BAUD_RATE                    19200

+ 9
- 8
Marlin/src/pins/lpc1769/pins_MKS_SGEN_L_V2.h View File 

@@ -173,19 +173,20 @@
173 173 
   //#define E3_HARDWARE_SERIAL Serial1
174 174 
   //#define E4_HARDWARE_SERIAL Serial1
175 175
176 
-  //
177 
-  // Software serial
178 
-  //
179 176 
   #define X_SERIAL_TX_PIN                  P1_01
180 
-  #define X_SERIAL_RX_PIN                  P1_01
177 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
178 
+
181 179 
   #define Y_SERIAL_TX_PIN                  P1_08
182 
-  #define Y_SERIAL_RX_PIN                  P1_08
180 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
181 
+
183 182 
   #define Z_SERIAL_TX_PIN                  P1_10
184 
-  #define Z_SERIAL_RX_PIN                  P1_10
183 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
184 
+
185 185 
   #define E0_SERIAL_TX_PIN                 P1_15
186 
-  #define E0_SERIAL_RX_PIN                 P1_15
186 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
187 
+
187 188 
   #define E1_SERIAL_TX_PIN                 P1_17
188 
-  #define E1_SERIAL_RX_PIN                 P1_17
189 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
189 190
190 191 
   // Reduce baud rate to improve software serial reliability
191 192 
   #define TMC_BAUD_RATE                    19200

+ 3
- 1
Marlin/src/pins/lpc1769/pins_TH3D_EZBOARD.h View File 

@@ -75,14 +75,16 @@
75 75 
 #if HAS_TMC_UART
76 76 
   //
77 77 
   // TMC220x stepper drivers
78 
-  // Software serial
79 78 
   //
80 79 
   #define X_SERIAL_TX_PIN                  P0_04
81 80 
   #define X_SERIAL_RX_PIN                  P0_05
81 
+
82 82 
   #define Y_SERIAL_TX_PIN                  P0_10
83 83 
   #define Y_SERIAL_RX_PIN                  P0_11
84 
+
84 85 
   #define Z_SERIAL_TX_PIN                  P0_19
85 86 
   #define Z_SERIAL_RX_PIN                  P0_20
87 
+
86 88 
   #define E0_SERIAL_TX_PIN                 P0_22
87 89 
   #define E0_SERIAL_RX_PIN                 P0_21
88 90

+ 13
- 13
Marlin/src/pins/ramps/pins_FYSETC_F6_13.h View File 

@@ -124,42 +124,42 @@
124 124 
    * Software serial communication pins.
125 125 
    * At the moment, F6 rx pins are not pc interrupt pins
126 126 
    */
127 
-  #ifndef X_SERIAL_RX_PIN
128 
-    #define X_SERIAL_RX_PIN                   -1  // 71
129 
-  #endif
130 127 
   #ifndef X_SERIAL_TX_PIN
131 128 
     #define X_SERIAL_TX_PIN                   72
132 129 
   #endif
133 
-  #ifndef Y_SERIAL_RX_PIN
134 
-    #define Y_SERIAL_RX_PIN                   -1  // 73
130 
+  #ifndef X_SERIAL_RX_PIN
131 
+    #define X_SERIAL_RX_PIN                   -1  // 71
135 132 
   #endif
136 133 
   #ifndef Y_SERIAL_TX_PIN
137 134 
     #define Y_SERIAL_TX_PIN                   75
138 135 
   #endif
139 
-  #ifndef Z_SERIAL_RX_PIN
140 
-    #define Z_SERIAL_RX_PIN                   -1  // 78
136 
+  #ifndef Y_SERIAL_RX_PIN
137 
+    #define Y_SERIAL_RX_PIN                   -1  // 73
141 138 
   #endif
142 139 
   #ifndef Z_SERIAL_TX_PIN
143 140 
     #define Z_SERIAL_TX_PIN                   79
144 141 
   #endif
145 
-  #ifndef E0_SERIAL_RX_PIN
146 
-    #define E0_SERIAL_RX_PIN                  -1  // 76
142 
+  #ifndef Z_SERIAL_RX_PIN
143 
+    #define Z_SERIAL_RX_PIN                   -1  // 78
147 144 
   #endif
148 145 
   #ifndef E0_SERIAL_TX_PIN
149 146 
     #define E0_SERIAL_TX_PIN                  77
150 147 
   #endif
151 
-  #ifndef E1_SERIAL_RX_PIN
152 
-    #define E1_SERIAL_RX_PIN                  -1  // 80
148 
+  #ifndef E0_SERIAL_RX_PIN
149 
+    #define E0_SERIAL_RX_PIN                  -1  // 76
153 150 
   #endif
154 151 
   #ifndef E1_SERIAL_TX_PIN
155 152 
     #define E1_SERIAL_TX_PIN                  81
156 153 
   #endif
157 
-  #ifndef E2_SERIAL_RX_PIN
158 
-    #define E2_SERIAL_RX_PIN                  -1  // 22
154 
+  #ifndef E1_SERIAL_RX_PIN
155 
+    #define E1_SERIAL_RX_PIN                  -1  // 80
159 156 
   #endif
160 157 
   #ifndef E2_SERIAL_TX_PIN
161 158 
     #define E2_SERIAL_TX_PIN                  82
162 159 
   #endif
160 
+  #ifndef E2_SERIAL_RX_PIN
161 
+    #define E2_SERIAL_RX_PIN                  -1  // 22
162 
+  #endif
163 163 
 #endif
164 164
165 165 
 //

+ 11
- 6
Marlin/src/pins/ramps/pins_FYSETC_F6_14.h View File 

@@ -33,18 +33,23 @@
33 33 
   /**
34 34 
    * TMC2208/TMC2209 stepper drivers
35 35 
    */
36 
-  #define X_SERIAL_RX_PIN                     72
37 36 
   #define X_SERIAL_TX_PIN                     71
38 
-  #define Y_SERIAL_RX_PIN                     73
37 
+  #define X_SERIAL_RX_PIN                     72
38 
+
39 39 
   #define Y_SERIAL_TX_PIN                     78
40 
-  #define Z_SERIAL_RX_PIN                     75
40 
+  #define Y_SERIAL_RX_PIN                     73
41 
+
41 42 
   #define Z_SERIAL_TX_PIN                     79
42 
-  #define E0_SERIAL_RX_PIN                    77
43 
+  #define Z_SERIAL_RX_PIN                     75
44 
+
43 45 
   #define E0_SERIAL_TX_PIN                    81
44 
-  #define E1_SERIAL_RX_PIN                    76
46 
+  #define E0_SERIAL_RX_PIN                    77
47 
+
45 48 
   #define E1_SERIAL_TX_PIN                    80
46 
-  #define E2_SERIAL_RX_PIN                    62
49 
+  #define E1_SERIAL_RX_PIN                    76
50 
+
47 51 
   #define E2_SERIAL_TX_PIN                    82
52 
+  #define E2_SERIAL_RX_PIN                    62
48 53 
 #endif
49 54
50 55 
 #include "pins_FYSETC_F6_13.h"

+ 10
- 11
Marlin/src/pins/ramps/pins_ORTUR_4.h View File 

@@ -54,20 +54,19 @@
54 54 
 #define TEMP_0_PIN                            15  // Analog Input
55 55 
 #define TEMP_1_PIN                            13  // Analog Input
56 56
57 
-//
58 
-// Software serial
59 
-//
60 
-#define X_SERIAL_TX_PIN                       59
61 
-#define X_SERIAL_RX_PIN                       63
57 
+#if HAS_TMC_UART
58 
+  #define X_SERIAL_TX_PIN                     59
59 
+  #define X_SERIAL_RX_PIN                     63
62 60
63 
-#define Y_SERIAL_TX_PIN                       64
64 
-#define Y_SERIAL_RX_PIN                       40
61 
+  #define Y_SERIAL_TX_PIN                     64
62 
+  #define Y_SERIAL_RX_PIN                     40
65 63
66 
-#define Z_SERIAL_TX_PIN                       44
67 
-#define Z_SERIAL_RX_PIN                       42
64 
+  #define Z_SERIAL_TX_PIN                     44
65 
+  #define Z_SERIAL_RX_PIN                     42
68 66
69 
-#define E0_SERIAL_TX_PIN                      66
70 
-#define E0_SERIAL_RX_PIN                      65
67 
+  #define E0_SERIAL_TX_PIN                    66
68 
+  #define E0_SERIAL_RX_PIN                    65
69 
+#endif
71 70
72 71 
 #include "pins_RAMPS.h"
73 72

+ 0
- 4
Marlin/src/pins/ramps/pins_RAMPS.h View File 

@@ -321,10 +321,6 @@
321 321 
   //#define E3_HARDWARE_SERIAL Serial1
322 322 
   //#define E4_HARDWARE_SERIAL Serial1
323 323
324 
-  //
325 
-  // Software serial
326 
-  //
327 
-
328 324 
   #ifndef X_SERIAL_TX_PIN
329 325 
     #define X_SERIAL_TX_PIN                   40
330 326 
   #endif

+ 0
- 4
Marlin/src/pins/ramps/pins_TT_OSCAR.h View File 

@@ -117,10 +117,6 @@
117 117 
   //#define E3_HARDWARE_SERIAL Serial1
118 118 
   //#define E3_HARDWARE_SERIAL Serial1
119 119
120 
-  //
121 
-  // Software serial
122 
-  //
123 
-
124 120 
   #define X_SERIAL_TX_PIN                     -1  // 59
125 121 
   #define X_SERIAL_RX_PIN                     -1  // 63
126 122 
   #define X2_SERIAL_TX_PIN                    -1

+ 0
- 4
Marlin/src/pins/ramps/pins_Z_BOLT_X_SERIES.h View File 

@@ -213,10 +213,6 @@
213 213 
   //#define E3_HARDWARE_SERIAL Serial1
214 214 
   //#define E4_HARDWARE_SERIAL Serial1
215 215
216 
-  //
217 
-  // Software serial
218 
-  //
219 
-
220 216 
   #ifndef X_SERIAL_TX_PIN
221 217 
     #define X_SERIAL_TX_PIN                   40
222 218 
   #endif

+ 8
- 12
Marlin/src/pins/samd/pins_RAMPS_144.h View File 

@@ -194,60 +194,56 @@
194 194 
   //#define E0_HARDWARE_SERIAL Serial1
195 195 
   //#define E1_HARDWARE_SERIAL Serial1
196 196
197 
-  //
198 
-  // Software serial
199 
-  //
200 
-
201 197 
   #ifndef X_SERIAL_TX_PIN
202 198 
     #define X_SERIAL_TX_PIN                   47
203 199 
   #endif
204 200 
   #ifndef X_SERIAL_RX_PIN
205 
-    #define X_SERIAL_RX_PIN                   47
201 
+    #define X_SERIAL_RX_PIN      X_SERIAL_TX_PIN
206 202 
   #endif
207 203 
   #ifndef X2_SERIAL_TX_PIN
208 204 
     #define X2_SERIAL_TX_PIN                  -1
209 205 
   #endif
210 206 
   #ifndef X2_SERIAL_RX_PIN
211 
-    #define X2_SERIAL_RX_PIN                  -1
207 
+    #define X2_SERIAL_RX_PIN    X2_SERIAL_TX_PIN
212 208 
   #endif
213 209
214 210 
   #ifndef Y_SERIAL_TX_PIN
215 211 
     #define Y_SERIAL_TX_PIN                   45
216 212 
   #endif
217 213 
   #ifndef Y_SERIAL_RX_PIN
218 
-    #define Y_SERIAL_RX_PIN                   45
214 
+    #define Y_SERIAL_RX_PIN      Y_SERIAL_TX_PIN
219 215 
   #endif
220 216 
   #ifndef Y2_SERIAL_TX_PIN
221 217 
     #define Y2_SERIAL_TX_PIN                  -1
222 218 
   #endif
223 219 
   #ifndef Y2_SERIAL_RX_PIN
224 
-    #define Y2_SERIAL_RX_PIN                  -1
220 
+    #define Y2_SERIAL_RX_PIN    Y2_SERIAL_TX_PIN
225 221 
   #endif
226 222
227 223 
   #ifndef Z_SERIAL_TX_PIN
228 224 
     #define Z_SERIAL_TX_PIN                   32
229 225 
   #endif
230 226 
   #ifndef Z_SERIAL_RX_PIN
231 
-    #define Z_SERIAL_RX_PIN                   32
227 
+    #define Z_SERIAL_RX_PIN      Z_SERIAL_TX_PIN
232 228 
   #endif
233 229 
   #ifndef Z2_SERIAL_TX_PIN
234 230 
     #define Z2_SERIAL_TX_PIN                  22
235 231 
   #endif
236 232 
   #ifndef Z2_SERIAL_RX_PIN
237 
-    #define Z2_SERIAL_RX_PIN                  22
233 
+    #define Z2_SERIAL_RX_PIN    Z2_SERIAL_TX_PIN
238 234 
   #endif
239 235
240 236 
   #ifndef E0_SERIAL_TX_PIN
241 237 
     #define E0_SERIAL_TX_PIN                  43
242 238 
   #endif
243 239 
   #ifndef E0_SERIAL_RX_PIN
244 
-    #define E0_SERIAL_RX_PIN                  43
240 
+    #define E0_SERIAL_RX_PIN    E0_SERIAL_TX_PIN
245 241 
   #endif
246 242 
   #ifndef E1_SERIAL_TX_PIN
247 243 
     #define E1_SERIAL_TX_PIN                  -1
248 244 
   #endif
249 245 
   #ifndef E1_SERIAL_RX_PIN
250 
-    #define E1_SERIAL_RX_PIN                  -1
246 
+    #define E1_SERIAL_RX_PIN    E1_SERIAL_TX_PIN
251 247 
   #endif
252 248 
 #endif
253 249

+ 4
- 7
Marlin/src/pins/stm32f1/pins_BTT_SKR_E3_DIP.h View File 

@@ -120,20 +120,17 @@
120 120 
   //#define Z_HARDWARE_SERIAL  MSerial1
121 121 
   //#define E0_HARDWARE_SERIAL MSerial1
122 122
123 
-  //
124 
-  // Software serial
125 
-  //
126 123 
   #define X_SERIAL_TX_PIN                   PC10
127 
-  #define X_SERIAL_RX_PIN                   PC10
124 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
128 125
129 126 
   #define Y_SERIAL_TX_PIN                   PC11
130 
-  #define Y_SERIAL_RX_PIN                   PC11
127 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
131 128
132 129 
   #define Z_SERIAL_TX_PIN                   PC12
133 
-  #define Z_SERIAL_RX_PIN                   PC12
130 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
134 131
135 132 
   #define E0_SERIAL_TX_PIN                  PD2
136 
-  #define E0_SERIAL_RX_PIN                  PD2
133 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
137 134
138 135 
   // Reduce baud rate to improve software serial reliability
139 136 
   #define TMC_BAUD_RATE                    19200

+ 4
- 7
Marlin/src/pins/stm32f1/pins_BTT_SKR_MINI_E3_V1_2.h View File 

@@ -33,20 +33,17 @@
33 33 
  * TMC2208/TMC2209 stepper drivers
34 34 
  */
35 35 
 #if HAS_TMC_UART
36 
-  //
37 
-  // Software serial
38 
-  //
39 36 
   #define X_SERIAL_TX_PIN                   PB15
40 
-  #define X_SERIAL_RX_PIN                   PB15
37 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
41 38
42 39 
   #define Y_SERIAL_TX_PIN                   PC6
43 
-  #define Y_SERIAL_RX_PIN                   PC6
40 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
44 41
45 42 
   #define Z_SERIAL_TX_PIN                   PC10
46 
-  #define Z_SERIAL_RX_PIN                   PC10
43 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
47 44
48 45 
   #define E0_SERIAL_TX_PIN                  PC11
49 
-  #define E0_SERIAL_RX_PIN                  PC11
46 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
50 47
51 48 
   // Reduce baud rate to improve software serial reliability
52 49 
   #define TMC_BAUD_RATE 19200

+ 14
- 9
Marlin/src/pins/stm32f1/pins_CCROBOT_MEEB_3DP.h View File 

@@ -84,15 +84,20 @@
84 84 
 #define E0_STEP_PIN                         PA6
85 85 
 #define E0_DIR_PIN                          PA5
86 86
87 
-// Stepper drivers Serial UART
88 
-#define X_SERIAL_TX_PIN                     PB3
89 
-#define X_SERIAL_RX_PIN                     PD2
90 
-#define Y_SERIAL_TX_PIN                     PA15
91 
-#define Y_SERIAL_RX_PIN                     PC6
92 
-#define Z_SERIAL_TX_PIN                     PB11
93 
-#define Z_SERIAL_RX_PIN                     PB10
94 
-#define E0_SERIAL_TX_PIN                    PC5
95 
-#define E0_SERIAL_RX_PIN                    PC4
87 
+#if HAS_TMC_UART
88 
+  // Stepper drivers Serial UART
89 
+  #define X_SERIAL_TX_PIN                   PB3
90 
+  #define X_SERIAL_RX_PIN                   PD2
91 
+
92 
+  #define Y_SERIAL_TX_PIN                   PA15
93 
+  #define Y_SERIAL_RX_PIN                   PC6
94 
+
95 
+  #define Z_SERIAL_TX_PIN                   PB11
96 
+  #define Z_SERIAL_RX_PIN                   PB10
97 
+
98 
+  #define E0_SERIAL_TX_PIN                  PC5
99 
+  #define E0_SERIAL_RX_PIN                  PC4
100 
+#endif
96 101
97 102 
 // Reduce baud rate to improve software serial reliability
98 103 
 #define TMC_BAUD_RATE                      19200

+ 3
- 3
Marlin/src/pins/stm32f1/pins_FLSUN_HISPEED.h View File 

@@ -124,11 +124,11 @@
124 124 
   // SoftwareSerial with one pin per driver
125 125 
   // Compatible with TMC2208 and TMC2209 drivers
126 126 
   #define X_SERIAL_TX_PIN                   PA10  // RXD1
127 
-  #define X_SERIAL_RX_PIN                   PA10  // RXD1
127 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
128 128 
   #define Y_SERIAL_TX_PIN                   PA9   // TXD1
129 
-  #define Y_SERIAL_RX_PIN                   PA9   // TXD1
129 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
130 130 
   #define Z_SERIAL_TX_PIN                   PC7   // IO1
131 
-  #define Z_SERIAL_RX_PIN                   PC7   // IO1
131 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
132 132 
   #define TMC_BAUD_RATE                    19200
133 133 
 #else
134 134 
   // Motor current PWM pins

+ 4
- 7
Marlin/src/pins/stm32f1/pins_FLY_MINI.h View File 

@@ -94,17 +94,14 @@
94 94 
 #endif
95 95
96 96 
 #if HAS_TMC_UART
97 
-  //
98 
-  // Software serial
99 
-  //
100 97 
   #define X_SERIAL_TX_PIN                   PB0
101 
-  #define X_SERIAL_RX_PIN                   PB0
98 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
102 99 
   #define Y_SERIAL_TX_PIN                   PA7
103 
-  #define Y_SERIAL_RX_PIN                   PA7
100 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
104 101 
   #define Z_SERIAL_TX_PIN                   PA4
105 
-  #define Z_SERIAL_RX_PIN                   PA4
102 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
106 103 
   #define E0_SERIAL_TX_PIN                  PC2
107 
-  #define E0_SERIAL_RX_PIN                  PC2
104 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
108 105 
 #endif
109 106
110 107 
 //

+ 0
- 3
Marlin/src/pins/stm32f1/pins_FYSETC_CHEETAH_V12.h View File 

@@ -42,9 +42,6 @@
42 42 
    * TMC2208/TMC2209 stepper drivers
43 43 
    */
44 44
45 
-  //
46 
-  // Software serial
47 
-  //
48 45 
   #define X_SERIAL_TX_PIN                   PA11
49 46 
   #define X_SERIAL_RX_PIN                   PA12
50 47

+ 3
- 3
Marlin/src/pins/stm32f1/pins_MKS_ROBIN.h View File 

@@ -258,12 +258,12 @@
258 258 
   //#define TMC_SOFTWARE_SERIAL
259 259 
   #if ENABLED(TMC_SOFTWARE_SERIAL)
260 260 
     #define X_SERIAL_TX_PIN                 PF8   // SERVO3_PIN -- XS2 - 6
261 
-    #define Y_SERIAL_TX_PIN                 PF9   // SERVO2_PIN -- XS2 - 5
262 
-    #define Z_SERIAL_TX_PIN                 PA1   // SERVO1_PIN -- XS1 - 6
263 
-    #define E0_SERIAL_TX_PIN                PC3   // SERVO0_PIN -- XS1 - 5
264 261 
     #define X_SERIAL_RX_PIN      X_SERIAL_TX_PIN
262 
+    #define Y_SERIAL_TX_PIN                 PF9   // SERVO2_PIN -- XS2 - 5
265 263 
     #define Y_SERIAL_RX_PIN      Y_SERIAL_TX_PIN
264 
+    #define Z_SERIAL_TX_PIN                 PA1   // SERVO1_PIN -- XS1 - 6
266 265 
     #define Z_SERIAL_RX_PIN      Z_SERIAL_TX_PIN
266 
+    #define E0_SERIAL_TX_PIN                PC3   // SERVO0_PIN -- XS1 - 5
267 267 
     #define E0_SERIAL_RX_PIN    E0_SERIAL_TX_PIN
268 268 
     #define TMC_BAUD_RATE                  19200
269 269 
   #endif

+ 0
- 4
Marlin/src/pins/stm32f1/pins_MKS_ROBIN_E3P.h View File 

@@ -145,10 +145,6 @@
145 145 
   //#define E3_HARDWARE_SERIAL Serial1
146 146 
   //#define E4_HARDWARE_SERIAL Serial1
147 147
148 
-  //
149 
-  // Software serial
150 
-  //
151 
-
152 148 
   #define X_SERIAL_TX_PIN                   PD5
153 149 
   #define X_SERIAL_RX_PIN                   PD5
154 150

+ 0
- 3
Marlin/src/pins/stm32f1/pins_MKS_ROBIN_E3_common.h View File 

@@ -92,9 +92,6 @@
92 92 
   //#define Z_HARDWARE_SERIAL  MSerial1
93 93 
   //#define E0_HARDWARE_SERIAL MSerial1
94 94
95 
-  //
96 
-  // Software serial
97 
-  //
98 95 
   #define X_SERIAL_TX_PIN                   PC7
99 96 
   #define X_SERIAL_RX_PIN                   PC7
100 97

+ 0
- 4
Marlin/src/pins/stm32f1/pins_MKS_ROBIN_NANO_V2.h View File 

@@ -146,10 +146,6 @@
146 146 
   //#define E0_HARDWARE_SERIAL MSerial1
147 147 
   //#define E1_HARDWARE_SERIAL MSerial1
148 148
149 
-  //
150 
-  // Software serial
151 
-  //
152 
-
153 149 
   #define X_SERIAL_TX_PIN                   PD5
154 150 
   #define X_SERIAL_RX_PIN                   PD5
155 151

+ 0
- 3
Marlin/src/pins/stm32f1/pins_MKS_ROBIN_PRO.h View File 

@@ -133,9 +133,6 @@
133 133 
   //#define E1_HARDWARE_SERIAL MSerial1
134 134 
   //#define E2_HARDWARE_SERIAL MSerial1
135 135
136 
-  //
137 
-  // Software serial
138 
-  //
139 136 
   #define X_SERIAL_TX_PIN                   PF7
140 137 
   #define X_SERIAL_RX_PIN                   PF8
141 138

+ 0
- 3
Marlin/src/pins/stm32f4/pins_ARMED.h View File 

@@ -204,9 +204,6 @@
204 204
205 205 
 #if HAS_TMC_UART
206 206 
   // TMC2208/TMC2209 stepper drivers
207 
-  //
208 
-  // Software serial
209 
-  //
210 207 
   #define X_SERIAL_TX_PIN               EXT0_PIN
211 208 
   #define X_SERIAL_RX_PIN               EXT0_PIN
212 209

+ 4
- 7
Marlin/src/pins/stm32f4/pins_BTT_BTT002_V1_0.h View File 

@@ -137,20 +137,17 @@
137 137 
   //#define E3_HARDWARE_SERIAL Serial1
138 138 
   //#define E4_HARDWARE_SERIAL Serial1
139 139
140 
-  //
141 
-  // Software serial  ##
142 
-  //
143 140 
   #define X_SERIAL_TX_PIN                   PE2
144 
-  #define X_SERIAL_RX_PIN                   PE2
141 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
145 142
146 143 
   #define Y_SERIAL_TX_PIN                   PE3
147 
-  #define Y_SERIAL_RX_PIN                   PE3
144 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
148 145
149 146 
   #define Z_SERIAL_TX_PIN                   PE4
150 
-  #define Z_SERIAL_RX_PIN                   PE4
147 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
151 148
152 149 
   #define E0_SERIAL_TX_PIN                  PD7
153 
-  #define E0_SERIAL_RX_PIN                  PD7
150 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
154 151
155 152 
   // Reduce baud rate to improve software serial reliability
156 153 
   #define TMC_BAUD_RATE                    19200

+ 6
- 9
Marlin/src/pins/stm32f4/pins_BTT_E3_RRF.h View File 

@@ -112,27 +112,24 @@
112 112 
  * TMC2208/TMC2209 stepper drivers
113 113 
  */
114 114 
 #if HAS_TMC_UART
115 
-  //
116 
-  // Software serial
117 
-  //
118 115 
   #define X_SERIAL_TX_PIN                   PD6
119 
-  #define X_SERIAL_RX_PIN                   PD6
116 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
120 117
121 118 
   #define Y_SERIAL_TX_PIN                   PD1
122 
-  #define Y_SERIAL_RX_PIN                   PD1
119 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
123 120
124 121 
   #define Z_SERIAL_TX_PIN                   PD15
125 
-  #define Z_SERIAL_RX_PIN                   PD15
122 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
126 123
127 124 
   #define E0_SERIAL_TX_PIN                  PD11
128 
-  #define E0_SERIAL_RX_PIN                  PD11
125 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
129 126
130 127 
   #if ENABLED(BTT_E3_RRF_IDEX_BOARD)
131 128 
     #define X2_SERIAL_TX_PIN           FPC12_PIN  // X2UART
132 
-    #define X2_SERIAL_RX_PIN           FPC12_PIN  // X2UART
129 
+    #define X2_SERIAL_RX_PIN    X2_SERIAL_TX_PIN
133 130
134 131 
     #define E1_SERIAL_TX_PIN            FPC6_PIN  // E1UART
135 
-    #define E1_SERIAL_RX_PIN            FPC6_PIN  // E1UART
132 
+    #define E1_SERIAL_RX_PIN    E1_SERIAL_TX_PIN
136 133 
   #endif
137 134
138 135 
   // Reduce baud rate to improve software serial reliability

+ 11
- 14
Marlin/src/pins/stm32f4/pins_BTT_GTR_V1_0.h View File 

@@ -239,42 +239,39 @@
239 239 
   //#define E6_HARDWARE_SERIAL Serial1  // M5 MOTOR 4
240 240 
   //#define E7_HARDWARE_SERIAL Serial1  // M5 MOTOR 5
241 241
242 
-  //
243 
-  // Software serial
244 
-  //
245 242 
   #define X_SERIAL_TX_PIN                   PC14
246 
-  #define X_SERIAL_RX_PIN                   PC14
243 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
247 244
248 245 
   #define Y_SERIAL_TX_PIN                   PE1
249 
-  #define Y_SERIAL_RX_PIN                   PE1
246 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
250 247
251 248 
   #define Z_SERIAL_TX_PIN                   PB5
252 
-  #define Z_SERIAL_RX_PIN                   PB5
249 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
253 250
254 251 
   #define E0_SERIAL_TX_PIN                  PG10
255 
-  #define E0_SERIAL_RX_PIN                  PG10
252 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
256 253
257 254 
   #define E1_SERIAL_TX_PIN                  PD4
258 
-  #define E1_SERIAL_RX_PIN                  PD4
255 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
259 256
260 257 
   #define E2_SERIAL_TX_PIN                  PC12
261 
-  #define E2_SERIAL_RX_PIN                  PC12
258 
+  #define E2_SERIAL_RX_PIN      E2_SERIAL_TX_PIN
262 259
263 260 
   #if ENABLED(M5_EXTENDER)
264 261 
     #define E3_SERIAL_TX_PIN                PG4
265 
-    #define E3_SERIAL_RX_PIN                PG4
262 
+    #define E3_SERIAL_RX_PIN    E3_SERIAL_TX_PIN
266 263
267 264 
     #define E4_SERIAL_TX_PIN                PE15
268 
-    #define E4_SERIAL_RX_PIN                PE15
265 
+    #define E4_SERIAL_RX_PIN    E4_SERIAL_TX_PIN
269 266
270 267 
     #define E5_SERIAL_TX_PIN                PE7
271 
-    #define E5_SERIAL_RX_PIN                PE7
268 
+    #define E5_SERIAL_RX_PIN    E5_SERIAL_TX_PIN
272 269
273 270 
     #define E6_SERIAL_TX_PIN                PF15
274 
-    #define E6_SERIAL_RX_PIN                PF15
271 
+    #define E6_SERIAL_RX_PIN    E6_SERIAL_TX_PIN
275 272
276 273 
     #define E7_SERIAL_TX_PIN                PH14
277 
-    #define E7_SERIAL_RX_PIN                PH14
274 
+    #define E7_SERIAL_RX_PIN    E7_SERIAL_TX_PIN
278 275 
   #endif
279 276
280 277 
   // Reduce baud rate to improve software serial reliability

+ 11
- 14
Marlin/src/pins/stm32f4/pins_BTT_OCTOPUS_V1_common.h View File 

@@ -282,32 +282,29 @@
282 282 
   //#define E3_HARDWARE_SERIAL Serial1
283 283 
   //#define E4_HARDWARE_SERIAL Serial1
284 284
285 
-  //
286 
-  // Software serial
287 
-  //
288 285 
   #define X_SERIAL_TX_PIN                   PC4
289 
-  #define X_SERIAL_RX_PIN                   PC4
286 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
290 287
291 288 
   #define Y_SERIAL_TX_PIN                   PD11
292 
-  #define Y_SERIAL_RX_PIN                   PD11
289 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
293 290
294 291 
   #define Z_SERIAL_TX_PIN                   PC6
295 
-  #define Z_SERIAL_RX_PIN                   PC6
292 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
296 293
297 294 
   #define Z2_SERIAL_TX_PIN                  PC7
298 
-  #define Z2_SERIAL_RX_PIN                  PC7
295 
+  #define Z2_SERIAL_RX_PIN      Z2_SERIAL_TX_PIN
299 296
300 297 
   #define E0_SERIAL_TX_PIN                  PF2
301 
-  #define E0_SERIAL_RX_PIN                  PF2
298 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
302 299
303 300 
   #define E1_SERIAL_TX_PIN                  PE4
304 
-  #define E1_SERIAL_RX_PIN                  PE4
301 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
305 302
306 303 
   #define E2_SERIAL_TX_PIN                  PE1
307 
-  #define E2_SERIAL_RX_PIN                  PE1
304 
+  #define E2_SERIAL_RX_PIN      E2_SERIAL_TX_PIN
308 305
309 306 
   #define E3_SERIAL_TX_PIN                  PD3
310 
-  #define E3_SERIAL_RX_PIN                  PD3
307 
+  #define E3_SERIAL_RX_PIN      E3_SERIAL_TX_PIN
311 308
312 309 
   // Reduce baud rate to improve software serial reliability
313 310 
   #define TMC_BAUD_RATE                    19200
 
@@ -387,7 +384,7 @@
387 384 
   #define E4_CS_PIN                  EXP1_05_PIN
388 385 
   #if HAS_TMC_UART
389 386 
     #define E4_SERIAL_TX_PIN         EXP1_05_PIN
390 
-    #define E4_SERIAL_RX_PIN         EXP1_05_PIN
387 
+    #define E4_SERIAL_RX_PIN    E4_SERIAL_TX_PIN
391 388 
   #endif
392 389
393 390 
   // M2 on Driver Expansion Module
 
@@ -398,7 +395,7 @@
398 395 
   #define E5_CS_PIN                  EXP1_07_PIN
399 396 
   #if HAS_TMC_UART
400 397 
     #define E5_SERIAL_TX_PIN         EXP1_07_PIN
401 
-    #define E5_SERIAL_RX_PIN         EXP1_07_PIN
398 
+    #define E5_SERIAL_RX_PIN    E5_SERIAL_TX_PIN
402 399 
   #endif
403 400
404 401 
   // M3 on Driver Expansion Module
 
@@ -409,7 +406,7 @@
409 406 
   #define E6_CS_PIN                  EXP1_09_PIN
410 407 
   #if HAS_TMC_UART
411 408 
     #define E6_SERIAL_TX_PIN         EXP1_09_PIN
412 
-    #define E6_SERIAL_RX_PIN         EXP1_09_PIN
409 
+    #define E6_SERIAL_RX_PIN    E6_SERIAL_TX_PIN
413 410 
   #endif
414 411
415 412 
 #endif // BTT_MOTOR_EXPANSION

+ 6
- 9
Marlin/src/pins/stm32f4/pins_BTT_SKR_PRO_common.h View File 

@@ -204,26 +204,23 @@
204 204 
   //#define E3_HARDWARE_SERIAL Serial1
205 205 
   //#define E4_HARDWARE_SERIAL Serial1
206 206
207 
-  //
208 
-  // Software serial
209 
-  //
210 207 
   #define X_SERIAL_TX_PIN                   PC13
211 
-  #define X_SERIAL_RX_PIN                   PC13
208 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
212 209
213 210 
   #define Y_SERIAL_TX_PIN                   PE3
214 
-  #define Y_SERIAL_RX_PIN                   PE3
211 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
215 212
216 213 
   #define Z_SERIAL_TX_PIN                   PE1
217 
-  #define Z_SERIAL_RX_PIN                   PE1
214 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
218 215
219 216 
   #define E0_SERIAL_TX_PIN                  PD4
220 
-  #define E0_SERIAL_RX_PIN                  PD4
217 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
221 218
222 219 
   #define E1_SERIAL_TX_PIN                  PD1
223 
-  #define E1_SERIAL_RX_PIN                  PD1
220 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
224 221
225 222 
   #define E2_SERIAL_TX_PIN                  PD6
226 
-  #define E2_SERIAL_RX_PIN                  PD6
223 
+  #define E2_SERIAL_RX_PIN      E2_SERIAL_TX_PIN
227 224
228 225 
   // Reduce baud rate to improve software serial reliability
229 226 
   #define TMC_BAUD_RATE                    19200

+ 5
- 8
Marlin/src/pins/stm32f4/pins_BTT_SKR_V2_0_common.h View File 

@@ -267,23 +267,20 @@
267 267 
   //#define E3_HARDWARE_SERIAL Serial1
268 268 
   //#define E4_HARDWARE_SERIAL Serial1
269 269
270 
-  //
271 
-  // Software serial
272 
-  //
273 270 
   #define X_SERIAL_TX_PIN                   PE0
274 
-  #define X_SERIAL_RX_PIN                   PE0
271 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
275 272
276 273 
   #define Y_SERIAL_TX_PIN                   PD3
277 
-  #define Y_SERIAL_RX_PIN                   PD3
274 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
278 275
279 276 
   #define Z_SERIAL_TX_PIN                   PD0
280 
-  #define Z_SERIAL_RX_PIN                   PD0
277 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
281 278
282 279 
   #define E0_SERIAL_TX_PIN                  PC6
283 
-  #define E0_SERIAL_RX_PIN                  PC6
280 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
284 281
285 282 
   #define E1_SERIAL_TX_PIN                  PD12
286 
-  #define E1_SERIAL_RX_PIN                  PD12
283 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
287 284
288 285 
   // Reduce baud rate to improve software serial reliability
289 286 
   #define TMC_BAUD_RATE                    19200

+ 9
- 10
Marlin/src/pins/stm32f4/pins_FLYF407ZG.h View File 

@@ -234,32 +234,31 @@
234 234
235 235 
 #if HAS_TMC_UART
236 236 
   #define X_SERIAL_TX_PIN                   PG13
237 
-  #define X_SERIAL_RX_PIN                   PG13
237 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
238 238
239 239 
   #define Y_SERIAL_TX_PIN                   PG10
240 
-  #define Y_SERIAL_RX_PIN                   PG10
240 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
241 241
242 242 
   #define Z_SERIAL_TX_PIN                   PD5
243 
-  #define Z_SERIAL_RX_PIN                   PD5
243 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
244 244
245 245 
   #define E0_SERIAL_TX_PIN                  PD1
246 
-  #define E0_SERIAL_RX_PIN                  PD1
246 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
247 247
248 248 
   #define E1_SERIAL_TX_PIN                  PA14
249 
-  #define E1_SERIAL_RX_PIN                  PA14
249 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
250 250
251 251 
   #define E2_SERIAL_TX_PIN                  PG6
252 
-  #define E2_SERIAL_RX_PIN                  PG6
252 
+  #define E2_SERIAL_RX_PIN      E2_SERIAL_TX_PIN
253 253
254 254 
   #define E3_SERIAL_TX_PIN                  PG3
255 
-  #define E3_SERIAL_RX_PIN                  PG3
255 
+  #define E3_SERIAL_RX_PIN      E3_SERIAL_TX_PIN
256 256
257 257 
   #define E4_SERIAL_TX_PIN                  PD10
258 
-  #define E4_SERIAL_RX_PIN                  PD10
258 
+  #define E4_SERIAL_RX_PIN      E4_SERIAL_TX_PIN
259 259
260 260 
   #define E5_SERIAL_TX_PIN                  PB12
261 
-  #define E5_SERIAL_RX_PIN                  PB12
262 
-
261 
+  #define E5_SERIAL_RX_PIN      E5_SERIAL_TX_PIN
263 262 
 #endif
264 263
265 264 
 //

+ 0
- 3
Marlin/src/pins/stm32f4/pins_FYSETC_S6.h View File 

@@ -118,9 +118,6 @@
118 118 
   // TMC2208/TMC2209 stepper drivers
119 119 
   //
120 120
121 
-  //
122 
-  // Software serial
123 
-  //
124 121 
   #ifndef X_SERIAL_TX_PIN
125 122 
     #define X_SERIAL_TX_PIN                 PE9
126 123 
   #endif

+ 0
- 1
Marlin/src/pins/stm32f4/pins_FYSETC_S6_V2_0.h View File 

@@ -40,7 +40,6 @@
40 40 
 #if HAS_TMC_UART
41 41 
   #define X_SERIAL_TX_PIN                   PE8
42 42 
   #define Y_SERIAL_TX_PIN                   PC4
43 
-  #define Y_SERIAL_RX_PIN                   PC4
44 43 
   #define Z_SERIAL_TX_PIN                   PD12
45 44 
   #define E0_SERIAL_TX_PIN                  PA15
46 45 
   #define E1_SERIAL_TX_PIN                  PC5

+ 17
- 10
Marlin/src/pins/stm32f4/pins_FYSETC_SPIDER.h View File 

@@ -76,21 +76,28 @@
76 76
77 77 
 #if HAS_TMC_UART
78 78 
   #define X_SERIAL_TX_PIN                   PE7
79 
-  #define X_SERIAL_RX_PIN                   PE7
79 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
80 
+
81 
+  #define X2_SERIAL_TX_PIN                  PA15
82 
+  #define X2_SERIAL_RX_PIN      X2_SERIAL_TX_PIN
83 
+
80 84 
   #define Y_SERIAL_TX_PIN                   PE15
81 
-  #define Y_SERIAL_RX_PIN                   PE15
85 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
86 
+
82 87 
   #define Z_SERIAL_TX_PIN                   PD10
83 
-  #define Z_SERIAL_RX_PIN                   PD10
88 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
89 
+
90 
+  #define Z2_SERIAL_TX_PIN                  PD11
91 
+  #define Z2_SERIAL_RX_PIN      Z2_SERIAL_TX_PIN
92 
+
84 93 
   #define E0_SERIAL_TX_PIN                  PD7
85 
-  #define E0_SERIAL_RX_PIN                  PD7
94 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
95 
+
86 96 
   #define E1_SERIAL_TX_PIN                  PC14
87 
-  #define E1_SERIAL_RX_PIN                  PC14
97 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
98 
+
88 99 
   #define E2_SERIAL_TX_PIN                  PC15
89 
-  #define E2_SERIAL_RX_PIN                  PC15
90 
-  #define X2_SERIAL_TX_PIN                  PA15
91 
-  #define X2_SERIAL_RX_PIN                  PA15
92 
-  #define Z2_SERIAL_TX_PIN                  PD11
93 
-  #define Z2_SERIAL_RX_PIN                  PD11
100 
+  #define E2_SERIAL_RX_PIN      E2_SERIAL_TX_PIN
94 101 
 #endif
95 102
96 103 
 //

+ 6
- 6
Marlin/src/pins/stm32f4/pins_LERDGE_K.h View File 

@@ -118,37 +118,37 @@
118 118 
     #define X_SERIAL_TX_PIN                 PB2
119 119 
   #endif
120 120 
   #ifndef X_SERIAL_RX_PIN
121 
-    #define X_SERIAL_RX_PIN                 PB2
121 
+    #define X_SERIAL_RX_PIN      X_SERIAL_TX_PIN
122 122 
   #endif
123 123 
   #ifndef Y_SERIAL_TX_PIN
124 124 
     #define Y_SERIAL_TX_PIN                 PE2
125 125 
   #endif
126 126 
   #ifndef Y_SERIAL_RX_PIN
127 
-    #define Y_SERIAL_RX_PIN                 PE2
127 
+    #define Y_SERIAL_RX_PIN      Y_SERIAL_TX_PIN
128 128 
   #endif
129 129 
   #ifndef Z_SERIAL_TX_PIN
130 130 
     #define Z_SERIAL_TX_PIN                 PE3
131 131 
   #endif
132 132 
   #ifndef Z_SERIAL_RX_PIN
133 
-    #define Z_SERIAL_RX_PIN                 PE3
133 
+    #define Z_SERIAL_RX_PIN      Z_SERIAL_TX_PIN
134 134 
   #endif
135 135 
   #ifndef E0_SERIAL_TX_PIN
136 136 
     #define E0_SERIAL_TX_PIN                PE4
137 137 
   #endif
138 138 
   #ifndef E0_SERIAL_RX_PIN
139 
-    #define E0_SERIAL_RX_PIN                PE4
139 
+    #define E0_SERIAL_RX_PIN    E0_SERIAL_TX_PIN
140 140 
   #endif
141 141 
   #ifndef E1_SERIAL_TX_PIN
142 142 
     #define E1_SERIAL_TX_PIN                PE1
143 143 
   #endif
144 144 
   #ifndef E1_SERIAL_RX_PIN
145 
-    #define E1_SERIAL_RX_PIN                PE1
145 
+    #define E1_SERIAL_RX_PIN    E1_SERIAL_TX_PIN
146 146 
   #endif
147 147 
   #ifndef EX_SERIAL_TX_PIN
148 148 
     #define E2_SERIAL_TX_PIN                PE0
149 149 
   #endif
150 150 
   #ifndef EX_SERIAL_RX_PIN
151 
-    #define E2_SERIAL_RX_PIN                PE0
151 
+    #define E2_SERIAL_RX_PIN    E2_SERIAL_TX_PIN
152 152 
   #endif
153 153 
   // Reduce baud rate to improve software serial reliability
154 154 
   #define TMC_BAUD_RATE                    19200

+ 8
- 8
Marlin/src/pins/stm32f4/pins_MKS_MONSTER8.h View File 

@@ -160,28 +160,28 @@
160 160 
   // No Hardware serial for steppers
161 161 
   //
162 162 
   #define X_SERIAL_TX_PIN                   PE6
163 
-  #define X_SERIAL_RX_PIN                   PE6
163 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
164 164
165 165 
   #define Y_SERIAL_TX_PIN                   PE3
166 
-  #define Y_SERIAL_RX_PIN                   PE3
166 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
167 167
168 168 
   #define Z_SERIAL_TX_PIN                   PB7
169 
-  #define Z_SERIAL_RX_PIN                   PB7
169 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
170 170
171 171 
   #define E0_SERIAL_TX_PIN                  PB3
172 
-  #define E0_SERIAL_RX_PIN                  PB3
172 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
173 173
174 174 
   #define E1_SERIAL_TX_PIN                  PD4
175 
-  #define E1_SERIAL_RX_PIN                  PD4
175 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
176 176
177 177 
   #define E2_SERIAL_TX_PIN                  PD0
178 
-  #define E2_SERIAL_RX_PIN                  PD0
178 
+  #define E2_SERIAL_RX_PIN      E2_SERIAL_TX_PIN
179 179
180 180 
   #define E3_SERIAL_TX_PIN                  PD15
181 
-  #define E3_SERIAL_RX_PIN                  PD15
181 
+  #define E3_SERIAL_RX_PIN      E3_SERIAL_TX_PIN
182 182
183 183 
   #define E4_SERIAL_TX_PIN                  PD11
184 
-  #define E4_SERIAL_RX_PIN                  PD11
184 
+  #define E4_SERIAL_RX_PIN      E4_SERIAL_TX_PIN
185 185
186 186 
   // Reduce baud rate to improve software serial reliability
187 187 
   #define TMC_BAUD_RATE                    19200

+ 5
- 5
Marlin/src/pins/stm32f4/pins_MKS_ROBIN_NANO_V3.h View File 

@@ -134,19 +134,19 @@
134 134 
   // No Hardware serial for steppers
135 135 
   //
136 136 
   #define X_SERIAL_TX_PIN                   PD5
137 
-  #define X_SERIAL_RX_PIN                   PD5
137 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
138 138
139 139 
   #define Y_SERIAL_TX_PIN                   PD7
140 
-  #define Y_SERIAL_RX_PIN                   PD7
140 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
141 141
142 142 
   #define Z_SERIAL_TX_PIN                   PD4
143 
-  #define Z_SERIAL_RX_PIN                   PD4
143 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
144 144
145 145 
   #define E0_SERIAL_TX_PIN                  PD9
146 
-  #define E0_SERIAL_RX_PIN                  PD9
146 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
147 147
148 148 
   #define E1_SERIAL_TX_PIN                  PD8
149 
-  #define E1_SERIAL_RX_PIN                  PD8
149 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
150 150
151 151 
   // Reduce baud rate to improve software serial reliability
152 152 
   #define TMC_BAUD_RATE                    19200

+ 5
- 9
Marlin/src/pins/stm32f4/pins_MKS_ROBIN_PRO_V2.h View File 

@@ -147,24 +147,20 @@
147 147 
   //#define E3_HARDWARE_SERIAL Serial1
148 148 
   //#define E4_HARDWARE_SERIAL Serial1
149 149
150 
-  //
151 
-  // Software serial
152 
-  //
153 
-
154 150 
   #define X_SERIAL_TX_PIN                   PD5
155 
-  #define X_SERIAL_RX_PIN                   PD5
151 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
156 152
157 153 
   #define Y_SERIAL_TX_PIN                   PD7
158 
-  #define Y_SERIAL_RX_PIN                   PD7
154 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
159 155
160 156 
   #define Z_SERIAL_TX_PIN                   PD4
161 
-  #define Z_SERIAL_RX_PIN                   PD4
157 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
162 158
163 159 
   #define E0_SERIAL_TX_PIN                  PD9
164 
-  #define E0_SERIAL_RX_PIN                  PD9
160 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
165 161
166 162 
   #define E1_SERIAL_TX_PIN                  PD8
167 
-  #define E1_SERIAL_RX_PIN                  PD8
163 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
168 164
169 165 
   // Reduce baud rate to improve software serial reliability
170 166 
   #define TMC_BAUD_RATE                    19200

+ 0
- 3
Marlin/src/pins/stm32f4/pins_RUMBA32_MKS.h View File 

@@ -67,9 +67,6 @@
67 67 
   //#define E3_HARDWARE_SERIAL Serial1
68 68 
   //#define E4_HARDWARE_SERIAL Serial1
69 69
70 
-  //
71 
-  // Software serial
72 
-  //
73 70 
   #define X_SERIAL_TX_PIN                   PA3
74 71 
   #define X_SERIAL_RX_PIN                   PC14
75 72

+ 5
- 5
Marlin/src/pins/stm32f7/pins_NUCLEO_F767ZI.h View File 

@@ -130,16 +130,16 @@
130 130
131 131 
 #if HAS_TMC_UART
132 132 
   #define X_SERIAL_TX_PIN                   PB9
133 
-  #define X_SERIAL_RX_PIN                   PB9
133 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
134 134
135 135 
   #define Y_SERIAL_TX_PIN                   PE3
136 
-  #define Y_SERIAL_RX_PIN                   PE3
136 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
137 137
138 138 
   #define Z_SERIAL_TX_PIN                   PE12
139 
-  #define Z_SERIAL_RX_PIN                   PE12
139 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
140 140
141 
-  #define E_SERIAL_TX_PIN                   PG9
142 
-  #define E_SERIAL_RX_PIN                   PG9
141 
+  #define E0_SERIAL_TX_PIN                  PG9
142 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
143 143 
 #endif
144 144
145 145 
 //

+ 5
- 8
Marlin/src/pins/stm32h7/pins_BTT_SKR_SE_BX.h View File 

@@ -131,23 +131,20 @@
131 131 
   //#define E6_HARDWARE_SERIAL Serial1
132 132 
   //#define E7_HARDWARE_SERIAL Serial1
133 133
134 
-  //
135 
-  // Software serial
136 
-  //
137 134 
   #define X_SERIAL_TX_PIN                   PG10
138 
-  #define X_SERIAL_RX_PIN                   PG10
135 
+  #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
139 136
140 137 
   #define Y_SERIAL_TX_PIN                   PD4
141 
-  #define Y_SERIAL_RX_PIN                   PD4
138 
+  #define Y_SERIAL_RX_PIN        Y_SERIAL_TX_PIN
142 139
143 140 
   #define Z_SERIAL_TX_PIN                   PD5
144 
-  #define Z_SERIAL_RX_PIN                   PD5
141 
+  #define Z_SERIAL_RX_PIN        Z_SERIAL_TX_PIN
145 142
146 143 
   #define E0_SERIAL_TX_PIN                  PI8
147 
-  #define E0_SERIAL_RX_PIN                  PI8
144 
+  #define E0_SERIAL_RX_PIN      E0_SERIAL_TX_PIN
148 145
149 146 
   #define E1_SERIAL_TX_PIN                  PC8
150 
-  #define E1_SERIAL_RX_PIN                  PC8
147 
+  #define E1_SERIAL_RX_PIN      E1_SERIAL_TX_PIN
151 148
152 149 
   // Reduce baud rate to improve software serial reliability
153 150 
   #define TMC_BAUD_RATE                    19200

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