Make quantum/split_common/serial.[ch] configurable (#4419)

* add temporary compile test shell script

* add 'CONFIG_H += serial_backward_compatibility.h' into common_features.mk:SPLIT_KEYBOARD block

* add quantum/split_common/serial_backward_compatibility.h

SERIAL_PIN_PORT and other PIN define move to serial_backward_compatibility.h
SERIAL_BACKLIT_START move to split_util.h

* quantum/split_common/serial.c change to helix-serial.c style serial configuration

* add temporary file quantum/split_common/split-keyboards-list.txt

* add '#define SOFT_SERIAL_PIN D0' to keyboards/6lit/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/divergetm2/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/ergotravel/rev1/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/foobar/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/handwired/dactyl_manuform/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/handwired/qc60/config.h

* add '//#define SOFT_SERIAL_PIN D0' to keyboards/handwired/xealous/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/iris/rev*/config.h

* add '//#define SOFT_SERIAL_PIN D0' to keyboards/lets_split_eh/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/levinson/rev*/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/miniaxe/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/nyquist/rev?/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/quefrency/rev1/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/qwertyydox/config.h,keyboards/qwertyydox/rev1/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/redox/rev1/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/rorschach/rev1/config.h

* remove '#define SOFT_SERIAL_PIN D0' from quantum/split_common/serial_backward_compatibility.h

* remove temporary file quantum/split_common/split-keyboards-list.txt

* remove temporary compile test shell script

* Revert "remove temporary compile test shell script"

This reverts commit 15b0021b4092127b8d8a21f572642ad3702b46d4.

* update quantum/split_common/compile_split_test.sh for new keyboard test

* add '#define SOFT_SERIAL_PIN D0' to keyboards/diverge3/config.h

* add '#define SOFT_SERIAL_PIN D0' to keyboards/40percentclub/25/config.h

* remove temporary compile test shell script

* update docs/config_options.md, quantum/template/avr/config.h

* fix quantum/template/avr/config.h

* fix typo  docs/config_options.md

25 files changed, 75 insertions, 1 deletions

diff --git a/keyboards/40percentclub/25/config.h b/keyboards/40percentclub/25/config.h
index 23b768e15..7fe59fcca 100644
--- a/keyboards/40percentclub/25/config.h
+++ b/keyboards/40percentclub/25/config.h
@@ -27,6 +27,8 @@
 #define DESCRIPTION     A split 50 key keyboard
 
 #define USE_SERIAL
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
 
 /* Select hand configuration */
 #define MASTER_LEFT
diff --git a/keyboards/40percentclub/6lit/config.h b/keyboards/40percentclub/6lit/config.h
index 8397818a6..940518f36 100644
--- a/keyboards/40percentclub/6lit/config.h
+++ b/keyboards/40percentclub/6lit/config.h
@@ -28,6 +28,9 @@
 
 #define USE_SERIAL
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Select hand configuration */
 #define MASTER_LEFT
 //#define MASTER_RIGHT
diff --git a/keyboards/40percentclub/foobar/config.h b/keyboards/40percentclub/foobar/config.h
index 89219c460..88075c456 100644
--- a/keyboards/40percentclub/foobar/config.h
+++ b/keyboards/40percentclub/foobar/config.h
@@ -28,6 +28,9 @@
 
 #define USE_SERIAL
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Select hand configuration */
 #define MASTER_LEFT
 //#define MASTER_RIGHT
diff --git a/keyboards/diverge3/config.h b/keyboards/diverge3/config.h
index 262be7b75..464dc835f 100644
--- a/keyboards/diverge3/config.h
+++ b/keyboards/diverge3/config.h
@@ -57,6 +57,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* define if matrix has ghost (lacks anti-ghosting diodes) */
 //#define MATRIX_HAS_GHOST
 
diff --git a/keyboards/divergetm2/config.h b/keyboards/divergetm2/config.h
index 8bc9d2c80..cbeeff9aa 100644
--- a/keyboards/divergetm2/config.h
+++ b/keyboards/divergetm2/config.h
@@ -59,6 +59,9 @@
 /* Locking resynchronize hack */
 #define LOCKING_RESYNC_ENABLE
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /*
  * Magic Key Options
  *
diff --git a/keyboards/ergotravel/rev1/config.h b/keyboards/ergotravel/rev1/config.h
index 3af1147a7..e6d557361 100644
--- a/keyboards/ergotravel/rev1/config.h
+++ b/keyboards/ergotravel/rev1/config.h
@@ -56,6 +56,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
     keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
 )
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 #define BACKLIGHT_PIN B5
 #define BACKLIGHT_LEVELS 5
 
diff --git a/keyboards/handwired/dactyl_manuform/config.h b/keyboards/handwired/dactyl_manuform/config.h
index 320ce3c48..0e6f3f98e 100644
--- a/keyboards/handwired/dactyl_manuform/config.h
+++ b/keyboards/handwired/dactyl_manuform/config.h
@@ -38,6 +38,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/handwired/qc60/config.h b/keyboards/handwired/qc60/config.h
index 3b6f84390..00d095ddf 100644
--- a/keyboards/handwired/qc60/config.h
+++ b/keyboards/handwired/qc60/config.h
@@ -18,6 +18,9 @@
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* key combination for command */
 #define IS_COMMAND() ( \
     keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
diff --git a/keyboards/handwired/xealous/config.h b/keyboards/handwired/xealous/config.h
index 415a0dcf5..7bce502c1 100644
--- a/keyboards/handwired/xealous/config.h
+++ b/keyboards/handwired/xealous/config.h
@@ -21,10 +21,13 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* Use I2C or Serial, not both */
 
-// #define USE_SERIAL
 #define USE_I2C
 #define SCL_CLOCK  400000UL
 
+// #define USE_SERIAL
+/* serial.c configuration for split keyboard */
+// #define SOFT_SERIAL_PIN D0
+
 /* Select hand configuration */
 
 #define MASTER_LEFT
diff --git a/keyboards/iris/rev1/config.h b/keyboards/iris/rev1/config.h
index 7f76df54b..3b31ca0d7 100644
--- a/keyboards/iris/rev1/config.h
+++ b/keyboards/iris/rev1/config.h
@@ -48,6 +48,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/iris/rev1_led/config.h b/keyboards/iris/rev1_led/config.h
index b58b11836..e9739c003 100644
--- a/keyboards/iris/rev1_led/config.h
+++ b/keyboards/iris/rev1_led/config.h
@@ -48,6 +48,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/iris/rev2/config.h b/keyboards/iris/rev2/config.h
index 266c29b9c..d43d4b1c6 100644
--- a/keyboards/iris/rev2/config.h
+++ b/keyboards/iris/rev2/config.h
@@ -48,6 +48,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/iris/rev3/config.h b/keyboards/iris/rev3/config.h
index 1032231d8..5642512f3 100644
--- a/keyboards/iris/rev3/config.h
+++ b/keyboards/iris/rev3/config.h
@@ -48,6 +48,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/lets_split_eh/config.h b/keyboards/lets_split_eh/config.h
index b8fe95ea2..abfee0eac 100644
--- a/keyboards/lets_split_eh/config.h
+++ b/keyboards/lets_split_eh/config.h
@@ -36,6 +36,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+//#define SOFT_SERIAL_PIN D0
+
 /* key combination for command */
 #define IS_COMMAND() ( \
     keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
diff --git a/keyboards/levinson/rev1/config.h b/keyboards/levinson/rev1/config.h
index 8161b4e32..07ba1e221 100644
--- a/keyboards/levinson/rev1/config.h
+++ b/keyboards/levinson/rev1/config.h
@@ -41,6 +41,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/levinson/rev2/config.h b/keyboards/levinson/rev2/config.h
index 03b98b45c..a731c7195 100644
--- a/keyboards/levinson/rev2/config.h
+++ b/keyboards/levinson/rev2/config.h
@@ -41,6 +41,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/miniaxe/config.h b/keyboards/miniaxe/config.h
index 13608feab..2b732ca16 100644
--- a/keyboards/miniaxe/config.h
+++ b/keyboards/miniaxe/config.h
@@ -237,6 +237,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* Serial settings */
 #define USE_SERIAL
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 //#define EE_HANDS
 #define I2C_MASTER_LEFT
 //#define I2C_MASTER_RIGHT
diff --git a/keyboards/nyquist/rev1/config.h b/keyboards/nyquist/rev1/config.h
index 35fbaffb9..892054b73 100644
--- a/keyboards/nyquist/rev1/config.h
+++ b/keyboards/nyquist/rev1/config.h
@@ -46,6 +46,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/nyquist/rev2/config.h b/keyboards/nyquist/rev2/config.h
index 7dc743b27..21aea0aad 100644
--- a/keyboards/nyquist/rev2/config.h
+++ b/keyboards/nyquist/rev2/config.h
@@ -43,6 +43,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/nyquist/rev3/config.h b/keyboards/nyquist/rev3/config.h
index 6c51bc9a8..8054ba79c 100644
--- a/keyboards/nyquist/rev3/config.h
+++ b/keyboards/nyquist/rev3/config.h
@@ -43,6 +43,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/quefrency/rev1/config.h b/keyboards/quefrency/rev1/config.h
index 1074590ff..88d704486 100644
--- a/keyboards/quefrency/rev1/config.h
+++ b/keyboards/quefrency/rev1/config.h
@@ -41,6 +41,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/qwertyydox/config.h b/keyboards/qwertyydox/config.h
index b22ca534e..a68565223 100644
--- a/keyboards/qwertyydox/config.h
+++ b/keyboards/qwertyydox/config.h
@@ -49,6 +49,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/qwertyydox/rev1/config.h b/keyboards/qwertyydox/rev1/config.h
index 3d4c9b0d0..a2557592d 100644
--- a/keyboards/qwertyydox/rev1/config.h
+++ b/keyboards/qwertyydox/rev1/config.h
@@ -49,6 +49,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/redox/rev1/config.h b/keyboards/redox/rev1/config.h
index f4ccbd2fd..654a84de7 100644
--- a/keyboards/redox/rev1/config.h
+++ b/keyboards/redox/rev1/config.h
@@ -49,6 +49,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */
diff --git a/keyboards/rorschach/rev1/config.h b/keyboards/rorschach/rev1/config.h
index 1c9ef8276..1ea6dde98 100644
--- a/keyboards/rorschach/rev1/config.h
+++ b/keyboards/rorschach/rev1/config.h
@@ -42,6 +42,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Set 0 if debouncing isn't needed */
 #define DEBOUNCING_DELAY 5
 
+/* serial.c configuration for split keyboard */
+#define SOFT_SERIAL_PIN D0
+
 /* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
 #define LOCKING_SUPPORT_ENABLE
 /* Locking resynchronize hack */