Updated i2c and serial files to most recent from the lets split firmware. Also updated that_canadian keymap

keyboards/minidox/i2c.h

@@ -16,7 +16,7 @@
 #define SLAVE_BUFFER_SIZE 0x10
 
 // i2c SCL clock frequency
-#define SCL_CLOCK  100000L
+#define SCL_CLOCK  400000L
 
 extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
 
@@ -28,4 +28,22 @@ uint8_t i2c_master_read(int);
 void i2c_reset_state(void);
 void i2c_slave_init(uint8_t address);
 
+
+static inline unsigned char i2c_start_read(unsigned char addr) {
+  return i2c_master_start((addr << 1) | I2C_READ);
+}
+
+static inline unsigned char i2c_start_write(unsigned char addr) {
+  return i2c_master_start((addr << 1) | I2C_WRITE);
+}
+
+// from SSD1306 scrips
+extern unsigned char i2c_rep_start(unsigned char addr);
+extern void i2c_start_wait(unsigned char addr);
+extern unsigned char i2c_readAck(void);
+extern unsigned char i2c_readNak(void);
+extern unsigned char i2c_read(unsigned char ack);
+
+#define i2c_read(ack)  (ack) ? i2c_readAck() : i2c_readNak();
+
 #endif

keyboards/minidox/keymaps/that_canadian/config.h

@@ -25,6 +25,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #define USE_SERIAL
 
+#define EE_HANDS
+
 /* ws2812 RGB LED */
 #define RGB_DI_PIN D7
 #define RGBLIGHT_TIMER

keyboards/minidox/keymaps/that_canadian/keymap.c

@@ -40,7 +40,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  * |   Z  |   X  |   C  |   V  |   B  |           |   N  |   M  |   ,  |   .  |   /  |
  * `----------------------------------'           `----------------------------------'
  *                  ,--------------------.    ,------,-------------.
- *                  | Ctrl | LOWER|      |    |      | RAISE| Shift|
+ *                  | Shift| LOWER|      |    |      | RAISE| Ctrl |
  *                  `-------------| Space|    |BckSpc|------+------.
  *                                |      |    |      |
  *                                `------'    `------'
@@ -49,7 +49,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,         KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    \
   KC_A,    KC_S,    KC_D,    KC_F,    KC_G,         KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, \
   KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,         KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, \
-                    KC_LCTL, LOWER, KC_SPC,         KC_BSPC, RAISE, OSM(MOD_LSFT)                 \
+                    OSM(MOD_LSFT), LOWER, KC_SPC,         KC_BSPC, RAISE, KC_LCTL                 \
 ),
 
 /* Raise

keyboards/minidox/matrix.c

@@ -226,9 +226,7 @@ uint8_t matrix_scan(void)
         TXLED0;
         error_count = 0;
     }
-
     matrix_scan_quantum();
-
     return ret;
 }
 

keyboards/minidox/split_util.c

@@ -21,7 +21,8 @@ static void setup_handedness(void) {
   #ifdef EE_HANDS
     isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
   #else
-    #ifdef I2C_MASTER_RIGHT
+    // I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c
+    #if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)
       isLeftHand = !has_usb();
     #else
       isLeftHand = has_usb();
@@ -32,6 +33,9 @@ static void setup_handedness(void) {
 static void keyboard_master_setup(void) {
 #ifdef USE_I2C
     i2c_master_init();
+#ifdef SSD1306OLED
+    matrix_master_OLED_init ();
+#endif
 #else
     serial_master_init();
 #endif

keyboards/minidox/split_util.h

@@ -19,4 +19,6 @@ void split_keyboard_setup(void);
 bool has_usb(void);
 void keyboard_slave_loop(void);
 
+void matrix_master_OLED_init (void);
+
 #endif