avr: allow for adjustable timing in simple LED module.

avr/modules/led_simple/main.asm

@@ -15,6 +15,8 @@
 .dseg
 
 ledSimpleTimer:      .byte 1
+ledSimpleOnTime:     .byte 1
+ledSimpleOffTime:    .byte 1
 
 
 
@@ -40,20 +42,15 @@ LED_SIMPLE_BEGIN:
 LedSimple_Init:
   sbi LED_SIMPLE_DDR, LED_SIMPLE_PINNUM  ; out
   cbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM ; on
-  ldi r16, LED_SIMPLE_ONTIME
-  sts ledSimpleTimer, r16
+  rcall LedSimple_SetDefaultTiming       ; (R16)
   sec
   ret
 
 
 ; ---------------------------------------------------------------------------
-; LedSimple_Every100ms
+; @routine LedSimple_Every100ms @global
 ;
-; IN:
-; - nothing
-; OUT:
-; - nothing
-; USED: 
+; @clobbers r16
 
 LedSimple_Every100ms:
   lds r16, ledSimpleTimer
@@ -65,14 +62,53 @@ LedSimple_Every100ms_zero:
     rjmp LedSimple_Tick_isOff
   ; is on
   sbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM ; off
-  ldi r16, LED_SIMPLE_OFFTIME
+  lds r16, ledSimpleOffTime
   rjmp LedSimple_Every100ms_setTimer
 LedSimple_Tick_isOff:
   cbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM ; on
-  ldi r16, LED_SIMPLE_ONTIME
+  lds r16, ledSimpleOnTime
 LedSimple_Every100ms_setTimer:
   sts ledSimpleTimer, r16
   ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine LedSimple_SetDefaultTiming @global
+;
+; Set default timing for LED.
+; @clobbers r16
+;
+
+LedSimple_SetDefaultTiming:
+  ldi r16, LED_SIMPLE_ONTIME
+  sts ledSimpleOnTime, r16
+  sts ledSimpleTimer, r16
+  ldi r16, LED_SIMPLE_OFFTIME
+  sts ledSimpleOffTime, r16
+  cbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM ; on
+  ret
+; @end
+
+
+
+; ---------------------------------------------------------------------------
+; @routine LedSimple_SetFastTiming @global
+;
+; Set fast blinking timing for LED. Switch LED on.
+; @clobbers r16
+;
+
+LedSimple_SetFastTiming:
+  ldi r16, 5
+  sts ledSimpleOnTime, r16
+  sts ledSimpleTimer, r16
+  ldi r16, 3
+  sts ledSimpleOffTime, r16
+  cbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM ; on
+  ret
+; @end