avr: cleanup, added labels to calculate module sizes.

avr/com.asm

@@ -12,7 +12,7 @@
 ; ***************************************************************************
 ; defines
 
-.equ COM_MAXWAIT                   = 200  ; maximum loop count when waiting for rising/falling clock (TODO: Make frequency-dependant)
+.equ COM_MAXWAIT_US               = 100  ; maximum wait time in microseconds when waiting for rising/falling clock
 
 .equ COM_MAINTENANCE_ADDR         = 0xf1
 
@@ -94,6 +94,8 @@ comDataEnd:
 
 .cseg
 
+COM_BEGIN:
+
 
 comIsrPcint0:
   push r15
@@ -213,33 +215,6 @@ COM_EnqueuePacket:
 
 
 
-; ---------------------------------------------------------------------------
-; COM_AllocBufferAndGetXY
-;
-; IN:
-; - nothing
-; OUT:
-; - CFLAG: set if okay, clear otherwise
-; - Y: pointer to buffer
-; - X: pointer to data portion of the buffer
-; MODIFIED REGS: R16, R17 (R21)
-
-COM_AllocBufferAndGetXY:
-  rcall COM_BufferAlloc              ; (r16, r17, r21)
-  brcc COM_AllocBufferAndGetXY_error
-  mov xl, yl
-  mov xh, yh
-  adiw xh:xl, COM_BUFFER_OFFS_DATA
-  sec
-  ret
-COM_AllocBufferAndGetXY_error:
-  ldi xl, LOW(comStatsSendNoBuffer)
-  ldi xh, HIGH(comStatsSendNoBuffer)
-  clc
-  ret
-
-
-
 ; ---------------------------------------------------------------------------
 ; comHandleNextPacketInQueue
 ;
@@ -325,3 +300,6 @@ comHandleReceivedPacket_l2:
 
 
 
+COM_END:
+.equ MODULE_SIZE_COM = COM_END-COM_BEGIN
+