Streamline main loop operations

src/clockinator.S

@@ -57,36 +57,15 @@ main:
     rcall       timer0_set
     rcall       timer1_set
 
+    sei                                 ; Enable global interrupt
 
-; loop: calculate tempo (high priority!) and save, led blinking, segment led writing
 loop:
-    ;ldi         r24,        30          ; Load current BPM to register //NOTE: hardcoded temporary
-                                        ; TODO: compare two registers (current bpm and previous bpm)
-    ;rcall       tempo_calc              ; CHANGE: if BPM changed then rcall BPM calculation function else skip because ticks tempo is the value already in [OCR1C]
-                                        ; if this BPM != previous BPM then load this to another register (will be used as the 'previous register')
-
-    ; final result stored in OCR1C as ticks
-
-    ; TODO: look if there are alternatives to rcall
-
-    ;rcall      midi_send       ; Send MIDI ping
-
-
-    ; if midi clock then after do:
-    ; SOME CPI HERE
-    brne        segment_led
-    START_BLINK                         ; Macro for inlining blink start logic
-
-    rjmp      segment_led               ; Output current BPM to 3-digit 7-segment LED [r24]
+    ; led in parallel with midi_out_pin (on a 555 monostable)
 
+    SET_BPM 0x51, 0x29
+    ; for ex: use two sram addresses for bpm->lookup table for division
 
     ; sleep when BPM is stabilized (whenever BPM calculation are not being done) and outside of midi send
     ; to do this explore MCUCR register, it can do a lot of stuff
 
     rjmp        loop
-
-; TODO: move to separate file
-; keep as subroutine as it's called in two parts in the code
-; or it can create issues with compiler
-segment_led:
-    rjmp        loop