added debug code.

avr/common/0BUILD

@@ -4,6 +4,7 @@
 
   <extradist>
     crc8.asm
+    debug.asm
     m_fixedbuffers.asm
     m_ringbuffer.asm
     m_ringbuffer_y.asm

avr/common/debug.asm

@@ -0,0 +1,86 @@
+; ***************************************************************************
+; copyright   : (C) 2025 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+#ifndef COMMON_DEBUG_H
+#define COMMON_DEBUG_H
+
+
+.cseg
+
+
+
+DEBUG1:
+  ldi r19, 50
+  ldi r20, 1
+  ldi r21, 9
+  rcall blinkLed
+  rjmp DEBUG1
+
+
+DEBUG2:
+  ldi r19, 50
+  ldi r20, 1
+  ldi r21, 1
+  rcall blinkLed
+  rjmp DEBUG2
+
+
+
+; @param r19 loop count
+; @param r20 on time
+; @param r21 off time
+; @clobbers (R16, R18, R22, R24, R25)
+
+blinkLed:
+    cbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM  ; on
+    mov r22, r20
+    rcall waitForMultiple100ms              ; (R252
+    sbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM  ; off
+    mov r22, r21
+    rcall waitForMultiple100ms              ; (R22)
+    dec r19
+  brne blinkLed  
+  ret
+
+
+; @param r22 number of 100ms periods to wait
+waitForMultiple100ms:
+waitForMultiple100ms_loop:
+    push r22
+      rcall waitFor100ms
+    pop r22
+    dec r22
+  brne waitForMultiple100ms_loop
+  ret
+
+
+waitFor100ms:
+  ldi r22, 10
+waitFor100ms_loop:
+    push r22
+      rcall waitFor10ms
+    pop r22
+    dec r22
+  brne waitFor100ms_loop
+  ret
+
+waitFor10ms:
+  ldi r22, 100
+waitFor10ms_loop:
+    push r22
+      rcall Utils_WaitFor100MicroSecs
+    pop r22
+    dec r22
+  brne waitFor10ms_loop
+  ret
+
+
+
+#endif ; COMMON_DEBUG_H
+