mostly working

keyboards/ergodox/ez/ez.c

@@ -16,10 +16,10 @@ void matrix_init_kb(void) {
     // unused pins - C7, D4, D5, D7, E6
     // set as input with internal pull-ip enabled
     DDRC  &= ~(1<<7);
-    DDRD  &= ~(1<<7 | 1<<5 | 1<<4);
+    DDRD  &= ~(1<<5 | 1<<4);
     DDRE  &= ~(1<<6);
     PORTC |=  (1<<7);
-    PORTD |=  (1<<7 | 1<<5 | 1<<4);
+    PORTD |=  (1<<5 | 1<<4);
     PORTE |=  (1<<6);
 
     ergodox_blink_all_leds();
@@ -51,6 +51,10 @@ uint8_t init_mcp23018(void) {
     mcp23018_status = 0x20;
 
     // I2C subsystem
+
+    uint8_t sreg_prev;
+    sreg_prev=SREG;
+    cli();
     if (i2c_initialized == 0) {
         i2c_init();  // on pins D(1,0)
         i2c_initialized++;
@@ -79,6 +83,8 @@ uint8_t init_mcp23018(void) {
 out:
     i2c_stop();
 
+    SREG=sreg_prev;
+
     return mcp23018_status;
 }
 

keyboards/ergodox/ez/matrix.c

@@ -121,7 +121,7 @@ void matrix_init(void)
     matrix_scan_count = 0;
 #endif
 
-    matrix_init_kb();
+    matrix_init_quantum();
 
 }
 

keyboards/ergodox/keymaps/jack/Makefile

@@ -1,4 +1,5 @@
 RGBLIGHT_ENABLE = yes
+MIDI_ENABLE = yes
 
 ifndef QUANTUM_DIR
 	include ../../../../Makefile

keyboards/ergodox/keymaps/jack/config.h

@@ -5,10 +5,12 @@
 
 /* ws2812 RGB LED */
 #define RGB_DI_PIN D7
-// #define RGBLIGHT_TIMER
+#define RGBLIGHT_TIMER
 #define RGBLED_NUM 15     // Number of LEDs
 #define RGBLIGHT_HUE_STEP 12
 #define RGBLIGHT_SAT_STEP 255
 #define RGBLIGHT_VAL_STEP 12
 
+#define RGB_MIDI
+
 #endif