Keyboard: Partial refactor of the crkbd code (#3600)

* Add display to LED-parameters function
* Improvement of update timing for OLED display (Need TWI_Init)

12 files changed, 159 insertions, 114 deletions

diff --git a/keyboards/crkbd/keymaps/default/config.h b/keyboards/crkbd/keymaps/default/config.h
index 15aeb098b..8d25f7cbc 100644
--- a/keyboards/crkbd/keymaps/default/config.h
+++ b/keyboards/crkbd/keymaps/default/config.h
@@ -18,10 +18,7 @@ You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#ifndef CONFIG_USER_H
-#define CONFIG_USER_H
-
-#include "../../config.h"
+#pragma once
 
 /* Use I2C or Serial */
 
@@ -50,4 +47,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLIGHT_HUE_STEP 10
 #define RGBLIGHT_SAT_STEP 17
 #define RGBLIGHT_VAL_STEP 17
-#endif
diff --git a/keyboards/crkbd/keymaps/default/keymap.c b/keyboards/crkbd/keymaps/default/keymap.c
index ac3b7215c..87661d345 100644
--- a/keyboards/crkbd/keymaps/default/keymap.c
+++ b/keyboards/crkbd/keymaps/default/keymap.c
@@ -1,24 +1,14 @@
-#include "crkbd.h"
+#include QMK_KEYBOARD_H
 #include "bootloader.h"
-#include "action_layer.h"
-#include "action_util.h"
-#include "eeconfig.h"
 #ifdef PROTOCOL_LUFA
-#include "lufa.h"
-#include "split_util.h"
+  #include "lufa.h"
+  #include "split_util.h"
 #endif
-#include "LUFA/Drivers/Peripheral/TWI.h"
 #ifdef SSD1306OLED
+  #include "LUFA/Drivers/Peripheral/TWI.h"
   #include "ssd1306.h"
 #endif
 
-#include "../lib/mode_icon_reader.c"
-#include "../lib/layer_state_reader.c"
-#include "../lib/host_led_state_reader.c"
-#include "../lib/logo_reader.c"
-#include "../lib/keylogger.c"
-#include "../lib/timelogger.c"
-
 extern keymap_config_t keymap_config;
 
 #ifdef RGBLIGHT_ENABLE
@@ -148,12 +138,25 @@ void matrix_init_user(void) {
 //SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
 #ifdef SSD1306OLED
 
+// When add source files to SRC in rules.mk, you can use functions.
+const char *read_layer_state(void);
+const char *read_logo(void);
+void set_keylog(uint16_t keycode, keyrecord_t *record);
+const char *read_keylog(void);
+const char *read_keylogs(void);
+
+// const char *read_mode_icon(bool swap);
+// const char *read_host_led_state(void);
+// void set_timelog(void);
+// const char *read_timelog(void);
+
 void matrix_scan_user(void) {
    iota_gfx_task();
 }
 
 void matrix_render_user(struct CharacterMatrix *matrix) {
   if (is_master) {
+    // If you want to change the display of OLED, you need to change here
     matrix_write_ln(matrix, read_layer_state());
     matrix_write_ln(matrix, read_keylog());
     matrix_write_ln(matrix, read_keylogs());
@@ -182,7 +185,7 @@ void iota_gfx_task_user(void) {
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
   if (record->event.pressed) {
     set_keylog(keycode, record);
-    set_timelog();
+    // set_timelog();
   }
 
   switch (keycode) {
diff --git a/keyboards/crkbd/keymaps/default/rules.mk b/keyboards/crkbd/keymaps/default/rules.mk
index 33ddd82a4..6570e2f5c 100644
--- a/keyboards/crkbd/keymaps/default/rules.mk
+++ b/keyboards/crkbd/keymaps/default/rules.mk
@@ -15,11 +15,16 @@ AUDIO_ENABLE = no           # Audio output on port C6
 UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = yes        # Enable WS2812 RGB underlight.  Do not enable this with audio at the same time.
-ONEHAND_ENABLE = no        # Enable one-hand typing
+SWAP_HANDS_ENABLE = no        # Enable one-hand typing
 
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
 
-ifndef QUANTUM_DIR
-        include ../../../../Makefile
-endif
+# If you want to change the display of OLED, you need to change here
+SRC +=  ../lib/rgb_state_reader.c \
+        ../lib/layer_state_reader.c \
+        ../lib/logo_reader.c \
+        ../lib/keylogger.c \
+        # ../lib/mode_icon_reader.c \
+        # ../lib/host_led_state_reader.c \
+        # ../lib/timelogger.c \
diff --git a/keyboards/crkbd/keymaps/lib/host_led_state_reader.c b/keyboards/crkbd/keymaps/lib/host_led_state_reader.c
index c19af11f8..41ac55dc2 100644
--- a/keyboards/crkbd/keymaps/lib/host_led_state_reader.c
+++ b/keyboards/crkbd/keymaps/lib/host_led_state_reader.c
@@ -1,13 +1,15 @@
+#include <stdio.h>
 #include "crkbd.h"
 
-char host_led_state[40];
+char host_led_state_str[24];
 
-char *read_host_led_state(void)
+const char *read_host_led_state(void)
 {
-  snprintf(host_led_state, sizeof(host_led_state), "\n%s  %s  %s",
-           (host_keyboard_leds() & (1 << USB_LED_NUM_LOCK)) ? "NUMLOCK" : "       ",
-           (host_keyboard_leds() & (1 << USB_LED_CAPS_LOCK)) ? "CAPS" : "    ",
-           (host_keyboard_leds() & (1 << USB_LED_SCROLL_LOCK)) ? "SCLK" : "    ");
+  uint8_t leds = host_keyboard_leds();
+  snprintf(host_led_state_str, sizeof(host_led_state_str), "NL:%s CL:%s SL:%s",
+           (leds & (1 << USB_LED_NUM_LOCK)) ? "on" : "- ",
+           (leds & (1 << USB_LED_CAPS_LOCK)) ? "on" : "- ",
+           (leds & (1 << USB_LED_SCROLL_LOCK)) ? "on" : "- ");
 
-  return host_led_state;
+  return host_led_state_str;
 }
diff --git a/keyboards/crkbd/keymaps/lib/keylogger.c b/keyboards/crkbd/keymaps/lib/keylogger.c
index ee14ff033..8f2a8ce3c 100644
--- a/keyboards/crkbd/keymaps/lib/keylogger.c
+++ b/keyboards/crkbd/keymaps/lib/keylogger.c
@@ -1,10 +1,11 @@
+#include <stdio.h>
 #include "crkbd.h"
 
-char keylog[40] = {};
-char keylogs[21] = {};
-int keylogs_idx = 0;
+char keylog_str[24] = {};
+char keylogs_str[21] = {};
+int keylogs_str_idx = 0;
 
-char code_to_name[60] = {
+const char code_to_name[60] = {
     ' ', ' ', ' ', ' ', 'a', 'b', 'c', 'd', 'e', 'f',
     'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p',
     'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
@@ -12,38 +13,33 @@ char code_to_name[60] = {
     'R', 'E', 'B', 'T', ' ', ' ', ' ', ' ', ' ', ' ',
     ' ', ';', '\'', ' ', ',', '.', '/', ' ', ' ', ' '};
 
-void set_keylog(uint16_t keycode, keyrecord_t *record)
-{
+void set_keylog(uint16_t keycode, keyrecord_t *record) {
   char name = ' ';
-  if (keycode < 60)
-  {
+  if (keycode < 60) {
     name = code_to_name[keycode];
   }
 
   // update keylog
-  snprintf(keylog, sizeof(keylog), "%dx%d, k%2d : %c",
-           record->event.key.row,
-           record->event.key.col,
-           keycode,
-           name);
+  snprintf(keylog_str, sizeof(keylog_str), "%dx%d, k%2d : %c",
+           record->event.key.row, record->event.key.col,
+           keycode, name);
 
   // update keylogs
-  if (keylogs_idx == sizeof(keylogs) - 1)
-  {
-    keylogs_idx = 0;
-    for (int i = 0; i < sizeof(keylogs) - 1; i++)
-    {
-      keylogs[i] = ' ';
+  if (keylogs_str_idx == sizeof(keylogs_str) - 1) {
+    keylogs_str_idx = 0;
+    for (int i = 0; i < sizeof(keylogs_str) - 1; i++) {
+      keylogs_str[i] = ' ';
     }
   }
-  keylogs[keylogs_idx] = name;
-  keylogs_idx++;
+
+  keylogs_str[keylogs_str_idx] = name;
+  keylogs_str_idx++;
 }
 
-char *read_keylog(void) {
-  return keylog;
+const char *read_keylog(void) {
+  return keylog_str;
 }
 
-char *read_keylogs(void) {
-  return keylogs;
+const char *read_keylogs(void) {
+  return keylogs_str;
 }
diff --git a/keyboards/crkbd/keymaps/lib/layer_state_reader.c b/keyboards/crkbd/keymaps/lib/layer_state_reader.c
index f79720d6f..eddb71337 100644
--- a/keyboards/crkbd/keymaps/lib/layer_state_reader.c
+++ b/keyboards/crkbd/keymaps/lib/layer_state_reader.c
@@ -1,3 +1,6 @@
+
+#include QMK_KEYBOARD_H
+#include <stdio.h>
 #include "crkbd.h"
 
 #define L_BASE 0
@@ -6,27 +9,26 @@
 #define L_ADJUST 65536
 #define L_ADJUST_TRI 65560
 
-char layer_state_str[40];
+char layer_state_str[24];
 
-char *read_layer_state(void)
-{
+const char *read_layer_state(void) {
   switch (layer_state)
   {
-    case L_BASE:
-       snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Default");
-       break;
-    case L_RAISE:
-       snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Raise");
-       break;
-    case L_LOWER:
-       snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Lower");
-       break;
-    case L_ADJUST:
-    case L_ADJUST_TRI:
-       snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Adjust");
-       break;
-    default:
-       snprintf(layer_state_str,sizeof(layer_state_str), "Layer: Undef-%ld", layer_state);
+  case L_BASE:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Default");
+    break;
+  case L_RAISE:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Raise");
+    break;
+  case L_LOWER:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Lower");
+    break;
+  case L_ADJUST:
+  case L_ADJUST_TRI:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Adjust");
+    break;
+  default:
+    snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Undef-%ld", layer_state);
   }
 
   return layer_state_str;
diff --git a/keyboards/crkbd/keymaps/lib/logo_reader.c b/keyboards/crkbd/keymaps/lib/logo_reader.c
index 46de17bfe..1bc1503a6 100644
--- a/keyboards/crkbd/keymaps/lib/logo_reader.c
+++ b/keyboards/crkbd/keymaps/lib/logo_reader.c
@@ -1,12 +1,11 @@
 #include "crkbd.h"
 
-char *read_logo(void)
-{
-  static char logo[]={
-    0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,0x90,0x91,0x92,0x93,0x94,
-    0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf,0xb0,0xb1,0xb2,0xb3,0xb4,
-    0xc0,0xc1,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xcb,0xcc,0xcd,0xce,0xcf,0xd0,0xd1,0xd2,0xd3,0xd4,
-    0};
+const char *read_logo(void) {
+  static char logo[] = {
+      0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94,
+      0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4,
+      0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4,
+      0};
 
   return logo;
 }
diff --git a/keyboards/crkbd/keymaps/lib/mode_icon_reader.c b/keyboards/crkbd/keymaps/lib/mode_icon_reader.c
index cb3d8adb1..04c226506 100644
--- a/keyboards/crkbd/keymaps/lib/mode_icon_reader.c
+++ b/keyboards/crkbd/keymaps/lib/mode_icon_reader.c
@@ -1,13 +1,13 @@
+#include <stdio.h>
 #include "crkbd.h"
 
-char mode_icon[40];
+char mode_icon[24];
 
-char *read_mode_icon(bool swap)
-{
-  static char logo[][2][3]={{{0x95,0x96,0},{0xb5,0xb6,0}},{{0x97,0x98,0},{0xb7,0xb8,0}}};
-  if(swap == false){
+const char *read_mode_icon(bool swap) {
+  static char logo[][2][3] = {{{0x95, 0x96, 0}, {0xb5, 0xb6, 0}}, {{0x97, 0x98, 0}, {0xb7, 0xb8, 0}}};
+  if (swap == false) {
     snprintf(mode_icon, sizeof(mode_icon), "%s\n%s", logo[0][0], logo[0][1]);
-  }else{
+  } else {
     snprintf(mode_icon, sizeof(mode_icon), "%s\n%s", logo[1][0], logo[1][1]);
   }
 
diff --git a/keyboards/crkbd/keymaps/lib/rgb_state_reader.c b/keyboards/crkbd/keymaps/lib/rgb_state_reader.c
new file mode 100644
index 000000000..e0efe2e52
--- /dev/null
+++ b/keyboards/crkbd/keymaps/lib/rgb_state_reader.c
@@ -0,0 +1,15 @@
+#ifdef RGBLIGHT_ENABLE
+
+#include QMK_KEYBOARD_H
+#include <stdio.h>
+
+extern rgblight_config_t rgblight_config;
+char rbf_info_str[24];
+const char *read_rgb_info(void) {
+
+  snprintf(rbf_info_str, sizeof(rbf_info_str), "%s %2d h%3d s%3d v%3d",
+    rgblight_config.enable ? "on" : "- ", rgblight_config.mode,
+    rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
+  return rbf_info_str;
+}
+#endif
diff --git a/keyboards/crkbd/keymaps/lib/timelogger.c b/keyboards/crkbd/keymaps/lib/timelogger.c
index 0e22bafe7..69828a3a0 100644
--- a/keyboards/crkbd/keymaps/lib/timelogger.c
+++ b/keyboards/crkbd/keymaps/lib/timelogger.c
@@ -1,17 +1,16 @@
+#include <stdio.h>
 #include "crkbd.h"
 
-char timelog[40] = {};
+char timelog_str[24] = {};
 int last_time = 0;
 int elapsed_time = 0;
 
-void set_timelog(void)
-{
+void set_timelog(void) {
   elapsed_time = timer_elapsed(last_time);
   last_time = timer_read();
-  snprintf(timelog, sizeof(timelog), "lt:%5d, et:%5d", last_time, elapsed_time);
+  snprintf(timelog_str, sizeof(timelog_str), "lt:%5d, et:%5d", last_time, elapsed_time);
 }
 
-char *read_timelog(void)
-{
-  return timelog;
+const char *read_timelog(void) {
+  return timelog_str;
 }
diff --git a/keyboards/crkbd/keymaps/like_jis/keymap.c b/keyboards/crkbd/keymaps/like_jis/keymap.c
index 0dd9c1550..31b5230b1 100644
--- a/keyboards/crkbd/keymaps/like_jis/keymap.c
+++ b/keyboards/crkbd/keymaps/like_jis/keymap.c
@@ -5,16 +5,10 @@
   #include "split_util.h"
 #endif
 #ifdef SSD1306OLED
+  #include "LUFA/Drivers/Peripheral/TWI.h"
   #include "ssd1306.h"
 #endif
 
-#include "../lib/mode_icon_reader.c"
-#include "../lib/layer_state_reader.c"
-#include "../lib/host_led_state_reader.c"
-#include "../lib/logo_reader.c"
-#include "../lib/keylogger.c"
-#include "../lib/timelogger.c"
-
 extern keymap_config_t keymap_config;
 
 #ifdef RGBLIGHT_ENABLE
@@ -84,7 +78,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
       _____,   F11,   F12, XXXXX, KANJI,   ENT,                  XXXXX, XXXXX,  COMM,   DOT,  SLSH,    RO,\
   //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                  _____, _____,   DEL,    XXXXX, _____,   APP \
+                                  _____, _____,   DEL,    _____, _____,   APP \
                               //`--------------------'  `--------------------'
   ),
 
@@ -96,19 +90,19 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   //|------+------+------+------+------+------|                |------+------+------+------+------+------|
       _____, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,                      0,     1,     2,     3,   DOT, XXXXX,\
   //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                  _____, _____, XXXXX,    XXXXX, _____,  LALT \
+                                  _____, _____,  BSPC,    _____, _____,  LALT \
                               //`--------------------'  `--------------------'
   ),
 
   [_ADJUST] = LAYOUT_kc( \
   //,-----------------------------------------.                ,-----------------------------------------.
-        RST,  LRST,  KNRM,  KSWP, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
-  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
-       LTOG,  LHUI,  LSAI,  LVAI, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX,  PGUP, XXXXX,\
-  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
-      LSMOD,  LHUD,  LSAD,  LVAD, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX,  HOME,  PGDN,   END,\
+      _____,    RST,  LRST,  KNRM,  KSWP,XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
+  //|------+-------+------+------+------+-----|                |------+------+------+------+------+------|
+      _____,   LTOG,  LHUI,  LSAI,  LVAI,XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX,  PGUP, XXXXX,\
+  //|------+-------+------+------+------+-----|                |------+------+------+------+------+------|
+      _____,  LSMOD,  LHUD,  LSAD,  LVAD,XXXXX,                  XXXXX, XXXXX, XXXXX,  HOME,  PGDN,   END,\
   //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
-                                  _____, _____, XXXXX,    XXXXX, _____, XXXXX \
+                                  _____, _____, XXXXX,    _____, _____, XXXXX \
                               //`--------------------'  `--------------------'
   )
 };
@@ -130,6 +124,7 @@ void matrix_init_user(void) {
     #endif
     //SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
     #ifdef SSD1306OLED
+        TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 800000));
         iota_gfx_init(!has_usb());   // turns on the display
     #endif
 }
@@ -137,18 +132,42 @@ void matrix_init_user(void) {
 //SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
 #ifdef SSD1306OLED
 
+
+// When add source files to SRC in rules.mk, you can use functions.
+const char *read_layer_state(void);
+const char *read_logo(void);
+void set_keylog(uint16_t keycode, keyrecord_t *record);
+const char *read_keylog(void);
+const char *read_keylogs(void);
+
+// const char *read_mode_icon(bool swap);
+// const char *read_host_led_state(void);
+// void set_timelog(void);
+// const char *read_timelog(void);
+
+#ifdef RGBLIGHT_ENABLE
+  const char *read_rgb_info(void);
+  #define RENDER_RGB_INFO(m) matrix_write_ln(m, (const char*)read_rgb_info())
+#else
+  #define RENDER_RGB_INFO(m)
+#endif
+
+
 void matrix_scan_user(void) {
    iota_gfx_task();
 }
 
 inline void matrix_render_user(struct CharacterMatrix *matrix) {
   if (is_master) {
+    // If you want to change the display of OLED, you need to change here
     matrix_write_ln(matrix, read_layer_state());
     matrix_write_ln(matrix, read_keylog());
-    matrix_write_ln(matrix, read_keylogs());
-    //matrix_write_ln(matrix, read_mode_icon(keymap_config.swap_lalt_lgui));
-    //matrix_write_ln(matrix, read_host_led_state());
-    //matrix_write_ln(matrix, read_timelog());
+    RENDER_RGB_INFO(matrix);
+    // matrix_write_ln(matrix, read_keylogs());
+    // matrix_write_ln(matrix, read_host_led_state());
+
+    // matrix_write_ln(matrix, read_mode_icon(keymap_config.swap_lalt_lgui));
+    // matrix_write_ln(matrix, read_timelog());
   } else {
     matrix_write(matrix, read_logo());
   }
@@ -174,7 +193,7 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
   #ifdef SSD1306OLED
     if (record->event.pressed) {
       set_keylog(keycode, record);
-      set_timelog();
+      // set_timelog();
     }
   #endif
 
diff --git a/keyboards/crkbd/keymaps/like_jis/rules.mk b/keyboards/crkbd/keymaps/like_jis/rules.mk
index 3f1bd9108..6570e2f5c 100644
--- a/keyboards/crkbd/keymaps/like_jis/rules.mk
+++ b/keyboards/crkbd/keymaps/like_jis/rules.mk
@@ -19,3 +19,12 @@ SWAP_HANDS_ENABLE = no        # Enable one-hand typing
 
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
+
+# If you want to change the display of OLED, you need to change here
+SRC +=  ../lib/rgb_state_reader.c \
+        ../lib/layer_state_reader.c \
+        ../lib/logo_reader.c \
+        ../lib/keylogger.c \
+        # ../lib/mode_icon_reader.c \
+        # ../lib/host_led_state_reader.c \
+        # ../lib/timelogger.c \