Migrate serial_uart usages to UART driver (#15479)

* Migrate Thermal Printer feature to UART driver

* Migrate 40percentclub UT47 to UART driver

* Migrate Centromere to UART driver

* Migrate Chimera Ergo to UART driver

* Migrate Chimera Let's Split to UART driver

* Migrate Chimera Ortho to UART driver

* Migrate Chimera Ortho Plus to UART driver

* Migrate Comet46 to UART driver

* Migrate Palm USB converter to UART driver

* Migrate Sun USB converter to UART driver

* Migrate Dichotomy to UART driver

* Migrate Honeycomb to UART driver

* Migrate Mitosis to UART driver

* Migrate Redox W to UART driver

* Migrate Uni660 to UART driver

* Migrate Telophase to UART driver

63 files changed, 154 insertions, 393 deletions

diff --git a/common_features.mk b/common_features.mk
index 56a9a286ea..fed005ff5a 100644
--- a/common_features.mk
+++ b/common_features.mk
@@ -356,7 +356,7 @@ endif
 ifeq ($(strip $(PRINTING_ENABLE)), yes)
     OPT_DEFS += -DPRINTING_ENABLE
     SRC += $(QUANTUM_DIR)/process_keycode/process_printer.c
-    SRC += $(TMK_DIR)/protocol/serial_uart.c
+    QUANTUM_LIB_SRC += uart.c
 endif
 
 VARIABLE_TRACE ?= no
diff --git a/keyboards/40percentclub/ut47/keymaps/default/keymap.c b/keyboards/40percentclub/ut47/keymaps/default/keymap.c
index 0fa7838dfd..4eb2c190c1 100644
--- a/keyboards/40percentclub/ut47/keymaps/default/keymap.c
+++ b/keyboards/40percentclub/ut47/keymaps/default/keymap.c
@@ -15,7 +15,7 @@
  */
 #include QMK_KEYBOARD_H
 #ifdef LED_ENABLE
-  #include "protocol/serial.h"
+  #include "uart.h"
 #endif
 
 #define LT3_TAB LT(3, KC_TAB)
@@ -108,11 +108,11 @@ LAYOUT( /* Tab */
 //LED keymap functions
  #ifdef LED_ENABLE
 void led_chmode(void) {
-  serial_send(101);
+  uart_write(0x65);
 }
 
 void led_toggle(void) {
-  serial_send(100);
+  uart_write(0x64);
 }
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
diff --git a/keyboards/40percentclub/ut47/keymaps/non-us/keymap.c b/keyboards/40percentclub/ut47/keymaps/non-us/keymap.c
index 0c1c2e7599..8a0ba7b391 100644
--- a/keyboards/40percentclub/ut47/keymaps/non-us/keymap.c
+++ b/keyboards/40percentclub/ut47/keymaps/non-us/keymap.c
@@ -15,7 +15,7 @@
  */
 #include QMK_KEYBOARD_H
 #ifdef LED_ENABLE
-  #include "protocol/serial.h"
+  #include "uart.h"
 #endif
 
 #define LT3_TAB LT(3, KC_TAB)
@@ -108,11 +108,11 @@ LAYOUT( /* Tab */
 //LED keymap functions
  #ifdef LED_ENABLE
 void led_chmode(void) {
-  serial_send(101);
+  uart_write(0x65);
 }
 
 void led_toggle(void) {
-  serial_send(100);
+  uart_write(0x64);
 }
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
diff --git a/keyboards/40percentclub/ut47/keymaps/nordic/keymap.c b/keyboards/40percentclub/ut47/keymaps/nordic/keymap.c
index 52372e2857..5e79cdb9a4 100644
--- a/keyboards/40percentclub/ut47/keymaps/nordic/keymap.c
+++ b/keyboards/40percentclub/ut47/keymaps/nordic/keymap.c
@@ -15,7 +15,7 @@
  */
 #include QMK_KEYBOARD_H
 #ifdef LED_ENABLE
-  #include "protocol/serial.h"
+  #include "uart.h"
 
 #endif
 
@@ -151,11 +151,11 @@ LAYOUT( /* GAMING, toggled on and off - L5 */
 //LED keymap functions
  #ifdef LED_ENABLE
 void led_chmode(void) {
-  serial_send(101);
+  uart_write(0x65);
 }
 
 void led_toggle(void) {
-  serial_send(100);
+  uart_write(0x64);
 }
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
diff --git a/keyboards/40percentclub/ut47/keymaps/rgb/keymap.c b/keyboards/40percentclub/ut47/keymaps/rgb/keymap.c
index ae8ad3e378..75dba3a2d4 100644
--- a/keyboards/40percentclub/ut47/keymaps/rgb/keymap.c
+++ b/keyboards/40percentclub/ut47/keymaps/rgb/keymap.c
@@ -15,7 +15,7 @@
  */
 #include QMK_KEYBOARD_H
 #ifdef LED_ENABLE
-  #include "protocol/serial.h"
+  #include "uart.h"
 #endif
 
 #define LT3_TAB LT(3, KC_TAB)
@@ -60,11 +60,11 @@ LAYOUT( /* Tab */
 //LED keymap functions
  #ifdef LED_ENABLE
 void led_chmode(void) {
-  serial_send(101);
+  uart_write(0x65);
 }
 
 void led_toggle(void) {
-  serial_send(100);
+  uart_write(0x64);
 }
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
diff --git a/keyboards/40percentclub/ut47/matrix.c b/keyboards/40percentclub/ut47/matrix.c
index c1284535bc..89537592c5 100644
--- a/keyboards/40percentclub/ut47/matrix.c
+++ b/keyboards/40percentclub/ut47/matrix.c
@@ -26,10 +26,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "debug.h"
 #include "util.h"
 #include "matrix.h"
-#ifdef LED_ENABLE
-    #include "protocol/serial.h"
-#endif
-
 
 #ifndef DEBOUNCE
 #   define DEBOUNCE	5
@@ -69,10 +65,6 @@ void matrix_init(void)
         matrix[i] = 0;
         matrix_debouncing[i] = 0;
     }
-  
-#ifdef LED_ENABLE
-    serial_init();
-#endif
 }
 
 uint8_t matrix_scan(void)
diff --git a/keyboards/40percentclub/ut47/rules.mk b/keyboards/40percentclub/ut47/rules.mk
index 29cee474ff..6c9805e0fc 100644
--- a/keyboards/40percentclub/ut47/rules.mk
+++ b/keyboards/40percentclub/ut47/rules.mk
@@ -18,4 +18,5 @@ AUDIO_ENABLE = no           # Audio output
 
 # custom matrix setup
 CUSTOM_MATRIX = yes
-SRC += matrix.c protocol/serial_uart.c
+SRC += matrix.c
+QUANTUM_LIB_SRC += uart.c
diff --git a/keyboards/40percentclub/ut47/ut47.c b/keyboards/40percentclub/ut47/ut47.c
index 9054335e5a..c01562cb68 100644
--- a/keyboards/40percentclub/ut47/ut47.c
+++ b/keyboards/40percentclub/ut47/ut47.c
@@ -15,15 +15,19 @@
  */
 #include "ut47.h"
 #ifdef LED_ENABLE
-  #include "protocol/serial.h"
+  #include "uart.h"
 #endif
 
+void matrix_init_kb() {
+  uart_init(9600);
+}
+
 bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
 	// put your per-action keyboard code here
 	// runs for every action, just before processing by the firmware
   if (record->event.pressed) {
     #ifdef LED_ENABLE
-      serial_send((record->event.key.row*16)+record->event.key.col);
+      uart_write((record->event.key.row*16)+record->event.key.col);
     #endif
   }
 	return process_record_user(keycode, record);
diff --git a/keyboards/centromere/config.h b/keyboards/centromere/config.h
index e502e2534b..b4cae20332 100644
--- a/keyboards/centromere/config.h
+++ b/keyboards/centromere/config.h
@@ -56,12 +56,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_ONESHOT
 //#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
-
-//UART settings for communication with the RF microcontroller
-#define SERIAL_UART_BAUD 500000
-#define SERIAL_UART_RXD_PRESENT (UCSR1A & _BV(RXC1))
-#define SERIAL_UART_INIT_CUSTOM       \
-    /* enable TX and RX */            \
-    UCSR1B = _BV(TXEN1) | _BV(RXEN1); \
-    /* 8-bit data */                  \
-    UCSR1C = _BV(UCSZ11) | _BV(UCSZ10);
diff --git a/keyboards/centromere/matrix.c b/keyboards/centromere/matrix.c
index 7256cd5cb5..a46701275a 100644
--- a/keyboards/centromere/matrix.c
+++ b/keyboards/centromere/matrix.c
@@ -26,7 +26,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "util.h"
 #include "matrix.h"
 #include "timer.h"
-#include "protocol/serial.h"
+#include "uart.h"
 
 #if (MATRIX_COLS <= 8)
 #    define print_matrix_header()  print("\nr/c 01234567\n")
@@ -80,7 +80,7 @@ uint8_t matrix_cols(void) {
 void matrix_init(void) {
 
     matrix_init_quantum();
-    serial_init();
+    uart_init(500000);
 }
 
 uint8_t matrix_scan(void)
@@ -88,7 +88,7 @@ uint8_t matrix_scan(void)
     uint32_t timeout = 0;
 
     //the s character requests the RF remote slave to send the matrix information
-    SERIAL_UART_DATA = 's';
+    uart_write('s');
 
     //trust the external keystates, erase the last set of data
     uint8_t uart_data[11] = {0};
@@ -96,13 +96,13 @@ uint8_t matrix_scan(void)
     //there are 10 bytes corresponding to 1w columns, and an end byte
     for (uint8_t i = 0; i < 11; i++) {
         //wait for the serial data, timeout if it's been too long
-        while(!SERIAL_UART_RXD_PRESENT){
+        while(!uart_available()){
             timeout++;
             if (timeout > 10000){
                 break;
             }
         }
-        uart_data[i] = SERIAL_UART_DATA;
+        uart_data[i] = uart_read();
     }
 
     //check for the end packet, the key state bytes use the LSBs, so 0xE0
diff --git a/keyboards/centromere/rules.mk b/keyboards/centromere/rules.mk
index ed777e1b9e..15c6a20746 100644
--- a/keyboards/centromere/rules.mk
+++ b/keyboards/centromere/rules.mk
@@ -21,6 +21,7 @@ BACKLIGHT_ENABLE = no  # Enable keyboard backlight functionality
 UNICODE_ENABLE = yes 		# Unicode
 
 # # project specific files
-SRC += matrix.c serial_uart.c
+SRC += matrix.c
+QUANTUM_LIB_SRC += uart.c
 
 LAYOUTS = split_3x5_3 split_3x6_3
diff --git a/keyboards/chimera_ergo/config.h b/keyboards/chimera_ergo/config.h
index 0767a218b5..3c0cc5c162 100644
--- a/keyboards/chimera_ergo/config.h
+++ b/keyboards/chimera_ergo/config.h
@@ -56,12 +56,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_ONESHOT
 //#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
-
-//UART settings for communication with the RF microcontroller
-#define SERIAL_UART_BAUD 1000000
-#define SERIAL_UART_RXD_PRESENT (UCSR1A & _BV(RXC1))
-#define SERIAL_UART_INIT_CUSTOM       \
-    /* enable TX and RX */            \
-    UCSR1B = _BV(TXEN1) | _BV(RXEN1); \
-    /* 8-bit data */                  \
-    UCSR1C = _BV(UCSZ11) | _BV(UCSZ10);
diff --git a/keyboards/chimera_ergo/matrix.c b/keyboards/chimera_ergo/matrix.c
index 577176c466..ec438beb56 100644
--- a/keyboards/chimera_ergo/matrix.c
+++ b/keyboards/chimera_ergo/matrix.c
@@ -26,7 +26,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "util.h"
 #include "matrix.h"
 #include "timer.h"
-#include "protocol/serial.h"
+#include "uart.h"
 
 #if (MATRIX_COLS <= 8)
 #    define print_matrix_header()  print("\nr/c 01234567\n")
@@ -89,7 +89,7 @@ uint8_t matrix_cols(void) {
 void matrix_init(void) {
 
     matrix_init_quantum();
-    serial_init();
+    uart_init(1000000);
 }
 
 uint8_t matrix_scan(void)
@@ -97,7 +97,7 @@ uint8_t matrix_scan(void)
     uint32_t timeout = 0;
 
     //the s character requests the RF slave to send the matrix
-    SERIAL_UART_DATA = 's';
+    uart_write('s');
 
     //trust the external keystates entirely, erase the last data
     uint8_t uart_data[14] = {0};
@@ -107,13 +107,13 @@ uint8_t matrix_scan(void)
         //wait for the serial data, timeout if it's been too long
         //this only happened in testing with a loose wire, but does no
         //harm to leave it in here
-        while(!SERIAL_UART_RXD_PRESENT){
+        while(!uart_available()){
             timeout++;
             if (timeout > 10000){
                 break;
             }
         }
-        uart_data[i] = SERIAL_UART_DATA;
+        uart_data[i] = uart_read();
     }
 
     //check for the end packet, the key state bytes use the LSBs, so 0xE0
diff --git a/keyboards/chimera_ergo/rules.mk b/keyboards/chimera_ergo/rules.mk
index a8bd3a027a..483485cb7d 100644
--- a/keyboards/chimera_ergo/rules.mk
+++ b/keyboards/chimera_ergo/rules.mk
@@ -17,4 +17,5 @@ NKRO_ENABLE = yes           # Enable N-Key Rollover
 # BACKLIGHT_ENABLE = yes  # Enable keyboard backlight functionality
 
 # # project specific files
-SRC += matrix.c serial_uart.c
+SRC += matrix.c
+QUANTUM_LIB_SRC += uart.c
diff --git a/keyboards/chimera_ls/config.h b/keyboards/chimera_ls/config.h
index 2eb028471d..ca92e1e2e4 100644
--- a/keyboards/chimera_ls/config.h
+++ b/keyboards/chimera_ls/config.h
@@ -56,12 +56,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_ONESHOT
 //#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
-
-//UART settings for communication with the RF microcontroller
-#define SERIAL_UART_BAUD 1000000
-#define SERIAL_UART_RXD_PRESENT (UCSR1A & _BV(RXC1))
-#define SERIAL_UART_INIT_CUSTOM       \
-    /* enable TX and RX */            \
-    UCSR1B = _BV(TXEN1) | _BV(RXEN1); \
-    /* 8-bit data */                  \
-    UCSR1C = _BV(UCSZ11) | _BV(UCSZ10);
diff --git a/keyboards/chimera_ls/matrix.c b/keyboards/chimera_ls/matrix.c
index 9edd91818f..354346ca09 100644
--- a/keyboards/chimera_ls/matrix.c
+++ b/keyboards/chimera_ls/matrix.c
@@ -26,7 +26,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "util.h"
 #include "matrix.h"
 #include "timer.h"
-#include "protocol/serial.h"
+#include "uart.h"
 
 #if (MATRIX_COLS <= 8)
 #    define print_matrix_header()  print("\nr/c 01234567\n")
@@ -93,7 +93,7 @@ uint8_t matrix_cols(void) {
 
 void matrix_init(void) {
     matrix_init_quantum();
-    serial_init();
+    uart_init(1000000);
 }
 
 uint8_t matrix_scan(void)
@@ -101,7 +101,7 @@ uint8_t matrix_scan(void)
     uint32_t timeout = 0;
 
     //the s character requests the RF slave to send the matrix
-    SERIAL_UART_DATA = 's';
+    uart_write('s');
 
     //trust the external keystates entirely, erase the last data
     uint8_t uart_data[11] = {0};
@@ -111,13 +111,13 @@ uint8_t matrix_scan(void)
         //wait for the serial data, timeout if it's been too long
         //this only happened in testing with a loose wire, but does no
         //harm to leave it in here
-        while(!SERIAL_UART_RXD_PRESENT){
+        while(!uart_available()){
             timeout++;
             if (timeout > 10000){
                 break;
             }
         }
-        uart_data[i] = SERIAL_UART_DATA;
+        uart_data[i] = uart_read();
     }
 
     //check for the end packet, the key state bytes use the LSBs, so 0xE0
diff --git a/keyboards/chimera_ls/rules.mk b/keyboards/chimera_ls/rules.mk
index 377c379911..ae0cc8b749 100644
--- a/keyboards/chimera_ls/rules.mk
+++ b/keyboards/chimera_ls/rules.mk
@@ -17,7 +17,8 @@ NKRO_ENABLE = yes           # Enable N-Key Rollover
 # BACKLIGHT_ENABLE = yes  # Enable keyboard backlight functionality
 
 # project specific files
-SRC += matrix.c serial_uart.c
+SRC += matrix.c
+QUANTUM_LIB_SRC += uart.c
 
 LAYOUTS = ortho_4x12
 
diff --git a/keyboards/chimera_ortho/config.h b/keyboards/chimera_ortho/config.h
index 974502525c..3d86343a67 100644
--- a/keyboards/chimera_ortho/config.h
+++ b/keyboards/chimera_ortho/config.h
@@ -56,12 +56,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_ONESHOT
 //#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
-
-//UART settings for communication with the RF microcontroller
-#define SERIAL_UART_BAUD 1000000
-#define SERIAL_UART_RXD_PRESENT (UCSR1A & _BV(RXC1))
-#define SERIAL_UART_INIT_CUSTOM       \
-    /* enable TX and RX */            \
-    UCSR1B = _BV(TXEN1) | _BV(RXEN1); \
-    /* 8-bit data */                  \
-    UCSR1C = _BV(UCSZ11) | _BV(UCSZ10);
diff --git a/keyboards/chimera_ortho/matrix.c b/keyboards/chimera_ortho/matrix.c
index 34930af7e2..1403f410c0 100644
--- a/keyboards/chimera_ortho/matrix.c
+++ b/keyboards/chimera_ortho/matrix.c
@@ -26,7 +26,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "util.h"
 #include "matrix.h"
 #include "timer.h"
-#include "protocol/serial.h"
+#include "uart.h"
 
 #if (MATRIX_COLS <= 8)
 #    define print_matrix_header()  print("\nr/c 01234567\n")
@@ -79,7 +79,7 @@ uint8_t matrix_cols(void) {
 void matrix_init(void) {
 
     matrix_init_quantum();
-    serial_init();
+    uart_init(1000000);
 }
 
 uint8_t matrix_scan(void)
@@ -87,7 +87,7 @@ uint8_t matrix_scan(void)
     uint32_t timeout = 0;
 
     //the s character requests the RF slave to send the matrix
-    SERIAL_UART_DATA = 's';
+    uart_write('s');
 
     //trust the external keystates entirely, erase the last data
     uint8_t uart_data[11] = {0};
@@ -97,13 +97,13 @@ uint8_t matrix_scan(void)
         //wait for the serial data, timeout if it's been too long
         //this only happened in testing with a loose wire, but does no
         //harm to leave it in here
-        while(!SERIAL_UART_RXD_PRESENT){
+        while(!uart_available()){
             timeout++;
             if (timeout > 10000){
                 break;
             }
         }
-        uart_data[i] = SERIAL_UART_DATA;
+        uart_data[i] = uart_read();
     }
 
     //check for the end packet, the key state bytes use the LSBs, so 0xE0
diff --git a/keyboards/chimera_ortho/rules.mk b/keyboards/chimera_ortho/rules.mk
index fbe6872001..c35dc9ba2e 100644
--- a/keyboards/chimera_ortho/rules.mk
+++ b/keyboards/chimera_ortho/rules.mk
@@ -17,4 +17,5 @@ NKRO_ENABLE = yes           # Enable N-Key Rollover
 # BACKLIGHT_ENABLE = yes  # Enable keyboard backlight functionality
 
 # project specific files
-SRC += matrix.c serial_uart.c
+SRC += matrix.c
+QUANTUM_LIB_SRC += uart.c
diff --git a/keyboards/chimera_ortho_plus/config.h b/keyboards/chimera_ortho_plus/config.h
index 4b12796e95..ebffb85657 100644
--- a/keyboards/chimera_ortho_plus/config.h
+++ b/keyboards/chimera_ortho_plus/config.h
@@ -56,12 +56,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //#define NO_ACTION_ONESHOT
 //#define NO_ACTION_MACRO
 //#define NO_ACTION_FUNCTION
-
-//UART settings for communication with the RF microcontroller
-#define SERIAL_UART_BAUD 1000000