From a3dcc424d1c0b147c0f5524fb37ebe19e6311c40 Mon Sep 17 00:00:00 2001
From: Dorian Zedler <dorian@itsblue.de>
Date: Sun, 5 Aug 2018 16:33:41 +0200
Subject: [PATCH] added timer interrupt and a function whic returns if a
 button(defines: butt1, butt2, butt3)  has been clicked

---
 .vs/AtTiny_alarm_clock/v14/.atsuo | Bin 27648 -> 35840 bytes
 Debug/AtTiny_alarm_clock.elf      | Bin 12832 -> 13672 bytes
 Debug/AtTiny_alarm_clock.hex      |  52 ++--
 Debug/AtTiny_alarm_clock.lss      | 420 +++++++++++++++++++-----------
 Debug/AtTiny_alarm_clock.map      |  69 ++---
 Debug/AtTiny_alarm_clock.srec     |  52 ++--
 Debug/main.d                      |   3 +
 Debug/main.o                      | Bin 7300 -> 9376 bytes
 main.c                            |  64 +++--
 9 files changed, 426 insertions(+), 234 deletions(-)

diff --git a/.vs/AtTiny_alarm_clock/v14/.atsuo b/.vs/AtTiny_alarm_clock/v14/.atsuo
index 0a07bc923bf3b09a602c8a252be07aa7bb3ec8ed..8512f01be15173b1b1c16e4f40503cdb1a3ebc3f 100644
GIT binary patch
delta 1313
zcmb`HPe>GT6vyZH+ZlIPXExXW?CS2CtC+0e3ii)`Ya=O1?nu)?FL~&qSs;vHT{7wt
zNYFfp$WvY-FU8I|5bO|9snnsf&^dzXuprg<H?BGmfk8j`FmK-P&HKIgd+*KC7q;|-
zznbIW%ExQZFLiuoNm}4{*a-dL<C>I~Bq;)ZVbOM7nyi4Kwn9<nSGs}r<|Zh@;HNMx
zt;W*(F+7K9Tdr0@kP?vMO|_6zPy<q+85{>Kpa&Ks{W_%6;0!nm&VgRg2l~MP7z8;m
z1kM9-x`<bUhi^8Y3vXRsIml|9^gxzeZm360E0|(UBJ3WKNIejF`4jZZmDsNaiISa{
zu$N{zH2*)%3V8L>ER^e<Hh7jS)eMPqM3i2!T-BtvJVTb2SD1*6SZBs@wGfj<<aR~o
zky+{VRRq~Te6M8SXpxF7V{)?OlB~3$isA*q;pu6UM%!?D>wR{MiphK^;M;br)H1UZ
zy2iu@vTuj1M1D`Zf0cX5Kr7Y3PIS(}AyzU^dZM4cUyafF^?E1Uu=$T(4fXF%XX8%1
z@hkIr&okP&a3y+k=-$I;uOlxe7wPH8-7Ql>o5Tv4bw;_yoSo7&uaE!8w~*Flg&p<U
zkXazBh&I1V#ppY)MqOOCyJgy~8ljC^l)T=M#T1Fcs$u{h0I}@YXh@9I;YGzZH5P?t
zzmNCEIc})Jq`_yZXn5Iiik(5#?t4SSfi7~}wp1~?ale^pA&H9BW3p&)5kc802rCVA
zyXK-QX1>a2PHqjV%ApZ|iNmmZmkTHLQvVGaY7Cp=SF&&5xPxkDb)1*4AVkr^ibV6%
zbEtJ0ZJO;gFfs4cPP}IkCP@r<YbNKnai+{}CE8Zn!ziu~Lk`i6=>>W@al)CM`VgVD
W$yVx|`9#yr*F3s-cy*SqcJSZk1++H+

delta 1186
zcmb`HL2nX46vvr`-2%>Pv9y3xr7ad(wg{~;MyVBPQq#t;P5c0!4HuI&Q7`3c!o__T
zy%`Q3JZbkMl#>@dc<|Vmcs3?`A!*eA+ht|#sV1G|mzjC9Gw=Q1d(eHQbia!C9VPK*
z|HHf2^It@ko+x|dY9<Y|8d*_O79){}27Y7E?sSpdX!(8uh7>qEI>=z20l)Ck`O(Z5
z&S5P9uY(cCJ`Zx>0w|KMmYP?vS_IcX87zTiPyq&50ab7n)Ic4qf;GTi&rnMJ@$%sv
zTj?YYb8k;9W}+Y_adoOWg@>lWaT$R`mcep#kOoP>lEyMprzm4T*-}(-2|h^78Dz-^
z@wt&hzX&jJ0XPEBVCii-Q0k7W$Axp0+!DHX`|>~Eob(lyGyar@OCNQ?rJ5MOQnpuP
zbhNys3r<8(TR((~7lL{h2QO%NYe#aMaEXH`wGuX+96fJrOU^5|N^nMQqpf=t;4J^O
zTI+3URq84WQT{(7Q^s(y5PDI1;laRznvV-kA$urn<6e9ohOuAc6X%nx6;pCcWJ8CN
zrGEoF=;x!nlb`)A?3orFWY($c&vt%OMsXhWiJzhjQl!<%Eg4ium*d>^flJ3q_k`Wp
zJf*DZ-oxSg`#E%m3)?ZTRjgu9^lvErn$oXIcFg4nmrK14Lx-L<b|k9^bpiebxLVwS
w$Eww{Zw_d%xaY~VO1@mHI!lw)HQ#pov*h0z_f;UBtPNB0=3>a`xEs>=19;SK8UO$Q

diff --git a/Debug/AtTiny_alarm_clock.elf b/Debug/AtTiny_alarm_clock.elf
index 6ab2d396ec6da9d376444f4bb57f15ed6a3f3e53..89592e1cb2b87cb0d93e819c9d2a10b6062000c4 100644
GIT binary patch
delta 2864
zcmZuzYiyI(8Gg_CY{$3SNu0#FxiNN@3k+<thHdQ_A!`K|YfGfEwiCrr0wV(@)Huzw
z3GASj0b<3@X=sr;nN8ZNc2uSHI(2Q?0@{yFY6+XVAKQN9W7;UIwBb^ePNExo-s8`y
zK|At$&U<;@%ej6&HFD+K`LLW_S%^eJ3zCS*PDB_;fQ}kOTPa5ig>6Ckf>HQxw|KEo
zTrMwPEnK+McKzapbA|GMqg~VfY5y<$(+%CnRZ$)K*U76tJbUbHv2eWL&-;Jn&v)fp
z)jvfnYl}6<X3c+#ZH41ve4wrT_1H7ZH_gwbW)m-cGFRv-_zO4lSM$!9aOoW}p2|Kr
zSeT?sX4#w<a`t8a+g(Rz{`$##BDyzj4x2r}FV?xr8_n)m-0X{fIeN)#Yza8LWz*ae
zJXsEx81;B?UtQw*Q_FH{lBUdj)^yI~X4XdsA?D0HOS*4(t6Fl`J5QU>oXuT1^6T$B
zd;WuqX0DK-!_l_#RD8I6W3GOBf>zH@nX5oKm7($+j}tU_d84`2+-q{Q$$9RJ^GB8q
zmve<Q<qP{roXD$vlvC@{6q-dHX8snlw9IMp%^rkx3fAPJv$1GBJe7Mar?%1?>OFaN
z`CWRKTAV~Sa75q4c6DPsfbkm`-^VzHaR^&^rt~LciBqmI)Tf?xZetTXWbPp%RrGw$
z`!xW>JwO^OPpf_2*c}c3fZ+HgcAgvq>Q!$n+i)7ZQ*42s=oFlZvm9ebm&gDpwh7j7
z&Ofp?3&x!upM+ruuFC*%Zy(=diQ^DG2ecalXTW)12lHFd9it?6v(MYm`p!esVPuK?
zVwXICencLFjp}6_eS_%XiqeAdoSWxrOoyc?LGX-fBijsc)F`~Hh-kE6=(Q^RB$&W@
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z1*=uC&<X)(luK$uvDPHkcqQs;7a|#8P{$HV24Wtpv^5_$%B^5RrN^50*yK5(_P3<f
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zoo|kDO~aru4A&5P2{Y$$pttE>xHhn_VF?@oTdE`Idlz9i2awQn&uGSQ546?CwB}*;
zT6_P1VNHfBm98d@xt;gB8nu-ttn(>v$KMiRtoub!_0?PJGp6KPpDkzH>$5*^TkCV2
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zbx`F+VV*PD=wq?-|DY<b4N%!d*vKM`gL42$@gk3Jg6i-fd@M#fi!7W6Iav(nC{kqU
zLM^0P6c=y}RGk>}`jF9~Y&Dtse0OryBiO;spfM0X=hasIM)3-9FeVPbbWN%sbw^9*
zx^D<^U7hVoi3JtvjY+4W9_an5SSbCV*DqYvlhvqx(l=?>Cq*sk|K4hj#NSn%O1h3{
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zzFT@3-ehA~o8kY_%{j=m{(phY8^M1|8mV-7=?C(*`&N2)`TIf@W6ju#H)2tF)KGtp
z_23Vul5ssOjrWLm)o{Gm&L8npYJWWHI1TPmkNRmm;;`2feW^}e0J}O!)a6hM@rZqM
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L&&q1Nl-&LYAR8Y8

delta 1988
zcmZ8iU2KzO6h7x|zpnpl*KS>PY+Z{R8|<g;mgppdEI}NS$P)B|fEze|M$pYN7!gA|
zg7PC^Ki(*)36sPNB|$G5h^QAsG2SR!&^w~53W8oh2__Oy=JS4Sq4;Izea~~wbAI~%
z?b_xK2Gb$2qfHNo=X47qB^nW7B8FUqGC(Qn*4GBaWud=1m*?pdE#mrb`h{BaC(}13
z_1ryKAzG7ncwl_Eb0~L!%lqq|oy;z8JKVBy<~Fa@-{PtM;m)&vPw91fxjvh|k+#0=
z{rsz|)7g|hO8X+g+<1Fm?(UT5$Tm7OGoF0|l9Hp8n^N;OTKxNp>_B!To64rMr)Scc
zls-msq&_R#ZMjhPSeri56gUyfr89Cwwh#R^K9G`Ql+qKF*0&PBla^a4B@<+tJe*XX
zedDP$DLFvr<m;vzbLJX9w#rImhDNjszj`(1Gnn^ePMGVhVqD1c&ZY7h+bTKY(p>JJ
z;kKMLsj)%scC{tlC!kw-6eeEEDuaqXh^6C|P;80eF*tfa`V}_Yi^E$AumKVFT}GH9
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z-&M?@=&)9hZyM8PF#SJ58G~{PGb(VDoH?j}AkJmkBzZ_Ox4SGGByY@XgOb-v)=cU|
z;H&&cweCr(1%Y)ttd(7=CvU;BO<6uxq>6%N6qYL0eLd<1)Zif@%A$y>9*q+Fy)YFj
zRGwFnl|A|F36(1Z9tTuBIM`$gGVc!{WIx0d1sa8-#MB<l+%CVXC3%t4<nD4j>1cF%
zxq=s4j`ld&hi%ZvWL5TFpRiyX01a9mIyxTmI`{8p_Hq<)t^>Q7gkA5kV<XDRfq3ji
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zfqLrowK=d#4;owK6zCzCnIG6<E?bC=6ZEG1<&l@9qo#?!m3=jVxSiO<HV?+6&4STv
za}q;{nKYq}j47xXFqj^*35@IHy_%+&u(_cNTQx?uS&dP}n{0lJnvqK=J7QEWBDs3b
zW!F3?(-7kl$yaI{HC19y=2UHySzZZ;GNH&xksMHE=}5?|lywE5DP^z#EJ`uD1FZ}R
zjZbAAfmkSiHkJOGfnSi^FInlkO8iRS2N4vXD9Mqeg9a&otd*`Rndug9D5cRcgOxw>
zN-weo@3T~L<q_0Ap=Nbkt;jPNN>O-1p${QtIHs`GOek=Y$^L*N7d7@Zd<OHEkP8rX
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z>|L<4r8#fLRb#q^3Z-}!c&6YF(aqU1$t`tBH*VhjY>0XSxY!$>7YYKa>xb6Ji_NS9
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z`6&@^V847f-l(labXtBBk6124d*3dv$HSJSn<!_IRUKi=a3#@un(XcfYtBc}hg{zg
z(H7JYJtYryL@Wt3_Jv8FfxBfc(GK}jM?`$xDn)05_7Mz=WlLwI`Wm+F64DpH{Av^Z
E2jHY>NB{r;

diff --git a/Debug/AtTiny_alarm_clock.hex b/Debug/AtTiny_alarm_clock.hex
index fe26490..c56528b 100644
--- a/Debug/AtTiny_alarm_clock.hex
+++ b/Debug/AtTiny_alarm_clock.hex
@@ -1,9 +1,9 @@
-:1000000014C02CC02BC02AC029C028C027C026C0BD
+:1000000014C02CC02BC02AC029C0A7C027C026C03E
 :1000100025C024C023C022C021C020C01FC01EC0D4
 :100020001DC01CC01BC01AC019C011241FBECFEDBB
-:10003000CDBF10E0A0E6B0E0EEE3F2E002C0059034
+:10003000CDBF10E0A0E6B0E0E6EFF2E002C0059030
 :100040000D92A237B107D9F720E0A2E7B0E001C0D6
-:100050001D92A837B207E1F7AED0EFC0D1CFCF9352
+:100050001D92A837B207E1F7F4D04BC1D1CFCF93AF
 :10006000C2E362D0C150E9F7CF910895CF93C62F74
 :10007000843038F4823048F4882371F0813049F0BC
 :100080000CC0843051F4939808C04F73833009F446
@@ -19,21 +19,33 @@
 :1001200082E0DEDF9CDF0895CF93DF931F92CDB78F
 :10013000DD2784E4898389819FEF980F9983882341
 :1001400041F08981898189819FEF980F998381117D
-:10015000F8CF0F90DF91CF910895EF92FF920F9318
-:100160001F93CF937C01892B29F081E0E816F104DD
-:1001700031F00AC06894EE24E1F8F12C05C00F2E8E
-:10018000F3E0EF2EF12CF02DFA0160816F3569F06C
-:100190008A010F5F1F4FC0E04C2F8E2D67DFF801E3
-:1001A00061918F01CF5F6F35B9F7CF911F910F919B
-:1001B000FF90EF90089511BAC2E7D0E080917400EB
-:1001C000882319F0813051F0FBCF109275008DDF3C
-:1001D00081E086DF81E080937400F0CF81E080933E
-:1001E000750040E650E060E070E080E090E0B5DF50
-:1001F00090B380917700937021E0933009F020E074
-:10020000982F91702917A1F090B39370933069F4EF
-:1002100081608093770080917200909173000196C5
-:10022000909373008093720003C08E7F8093770059
-:0E0230008881805D80936000C1CFF894FFCF7D
-:10023E002048616C6C6F5F5F5F5F5F5F5F5F5F5FEA
-:02024E005F004F
+:10015000F8CF0F90DF91CF9108951F920F920FB6B5
+:100160000F9211248F939F9386EE99EF9DBD8CBDC6
+:100170009F918F910F900FBE0F901F901895EF9247
+:10018000FF920F931F93CF937C01892B29F081E07D
+:10019000E816F10431F00AC06894EE24E1F8F12C7D
+:1001A00005C00F2EF3E0EF2EF12CF02D042F152FAC
+:1001B000C0E0F80161918F016F3519F04C2F8E2D41
+:1001C00055DFCF5FC031A9F7CF911F910F91FF90FD
+:1001D000EF90089520B3BC016F5F7F4F409177008F
+:1001E000E1E0F0E0DF0102C0AA0FBB1F8A95E2F751
+:1001F000CD01237030E051E02617370709F050E0B9
+:10020000242F30E028233923E1E0121613060CF0E6
+:10021000E0E05E1799F020B3237030E062177307B7
+:1002200031F4842B8093770081E090E008958095ED
+:1002300048234093770080E090E0089580E090E0CC
+:10024000089511BA86EE99EF9DBD8CBD1FBC85E067
+:100250008EBD80E889BF7894C2E7D0E080917400B9
+:10026000882319F0813051F0FBCF109275003DDFEB
+:1002700081E036DF81E080937400F0CF81E08093ED
+:10028000750040E650E060E070E080E090E077DFED
+:1002900080E090E09FDF892B51F080917200909177
+:1002A0007300019690937300809372001DC081E0EB
+:1002B00090E090DF892B51F0809172009091730053
+:1002C000029690937300809372000EC082E090E0DB
+:1002D00081DF892B49F08091720090917300039621
+:1002E00090937300809372008881805D809360009A
+:0602F000B5CFF894FFCF2A
+:1002F6002048616C6C6F5F5F5F5F5F5F5F5F5F5F32
+:020306005F0096
 :00000001FF
diff --git a/Debug/AtTiny_alarm_clock.lss b/Debug/AtTiny_alarm_clock.lss
index 0012e6f..2fcbdc7 100644
--- a/Debug/AtTiny_alarm_clock.lss
+++ b/Debug/AtTiny_alarm_clock.lss
@@ -3,31 +3,31 @@ AtTiny_alarm_clock.elf:     file format elf32-avr
 
 Sections:
 Idx Name          Size      VMA       LMA       File off  Algn
-  0 .text         0000023e  00000000  00000000  00000094  2**1
+  0 .text         000002f6  00000000  00000000  00000094  2**1
                   CONTENTS, ALLOC, LOAD, READONLY, CODE
-  1 .data         00000012  00800060  0000023e  000002d2  2**0
+  1 .data         00000012  00800060  000002f6  0000038a  2**0
                   CONTENTS, ALLOC, LOAD, DATA
-  2 .bss          00000006  00800072  00800072  000002e4  2**0
+  2 .bss          00000006  00800072  00800072  0000039c  2**0
                   ALLOC
-  3 .comment      00000030  00000000  00000000  000002e4  2**0
+  3 .comment      00000030  00000000  00000000  0000039c  2**0
                   CONTENTS, READONLY
-  4 .note.gnu.avr.deviceinfo 00000040  00000000  00000000  00000314  2**2
+  4 .note.gnu.avr.deviceinfo 00000040  00000000  00000000  000003cc  2**2
                   CONTENTS, READONLY
-  5 .debug_aranges 00000090  00000000  00000000  00000354  2**0
+  5 .debug_aranges 000000a0  00000000  00000000  0000040c  2**0
                   CONTENTS, READONLY, DEBUGGING
-  6 .debug_info   00000a9b  00000000  00000000  000003e4  2**0
+  6 .debug_info   00000b59  00000000  00000000  000004ac  2**0
                   CONTENTS, READONLY, DEBUGGING
-  7 .debug_abbrev 000006f0  00000000  00000000  00000e7f  2**0
+  7 .debug_abbrev 00000738  00000000  00000000  00001005  2**0
                   CONTENTS, READONLY, DEBUGGING
-  8 .debug_line   0000059a  00000000  00000000  0000156f  2**0
+  8 .debug_line   0000061f  00000000  00000000  0000173d  2**0
                   CONTENTS, READONLY, DEBUGGING
-  9 .debug_frame  00000120  00000000  00000000  00001b0c  2**2
+  9 .debug_frame  00000154  00000000  00000000  00001d5c  2**2
                   CONTENTS, READONLY, DEBUGGING
- 10 .debug_str    00000446  00000000  00000000  00001c2c  2**0
+ 10 .debug_str    00000470  00000000  00000000  00001eb0  2**0
                   CONTENTS, READONLY, DEBUGGING
- 11 .debug_loc    000003bb  00000000  00000000  00002072  2**0
+ 11 .debug_loc    00000428  00000000  00000000  00002320  2**0
                   CONTENTS, READONLY, DEBUGGING
- 12 .debug_ranges 00000078  00000000  00000000  0000242d  2**0
+ 12 .debug_ranges 00000088  00000000  00000000  00002748  2**0
                   CONTENTS, READONLY, DEBUGGING
 
 Disassembly of section .text:
@@ -38,7 +38,7 @@ Disassembly of section .text:
    4:	2b c0       	rjmp	.+86     	; 0x5c <__bad_interrupt>
    6:	2a c0       	rjmp	.+84     	; 0x5c <__bad_interrupt>
    8:	29 c0       	rjmp	.+82     	; 0x5c <__bad_interrupt>
-   a:	28 c0       	rjmp	.+80     	; 0x5c <__bad_interrupt>
+   a:	a7 c0       	rjmp	.+334    	; 0x15a <__vector_5>
    c:	27 c0       	rjmp	.+78     	; 0x5c <__bad_interrupt>
    e:	26 c0       	rjmp	.+76     	; 0x5c <__bad_interrupt>
   10:	25 c0       	rjmp	.+74     	; 0x5c <__bad_interrupt>
@@ -65,7 +65,7 @@ Disassembly of section .text:
   32:	10 e0       	ldi	r17, 0x00	; 0
   34:	a0 e6       	ldi	r26, 0x60	; 96
   36:	b0 e0       	ldi	r27, 0x00	; 0
-  38:	ee e3       	ldi	r30, 0x3E	; 62
+  38:	e6 ef       	ldi	r30, 0xF6	; 246
   3a:	f2 e0       	ldi	r31, 0x02	; 2
   3c:	02 c0       	rjmp	.+4      	; 0x42 <__SREG__+0x3>
   3e:	05 90       	lpm	r0, Z+
@@ -87,8 +87,8 @@ Disassembly of section .text:
   52:	a8 37       	cpi	r26, 0x78	; 120
   54:	b2 07       	cpc	r27, r18
   56:	e1 f7       	brne	.-8      	; 0x50 <.do_clear_bss_loop>
-  58:	ae d0       	rcall	.+348    	; 0x1b6 <main>
-  5a:	ef c0       	rjmp	.+478    	; 0x23a <_exit>
+  58:	f4 d0       	rcall	.+488    	; 0x242 <main>
+  5a:	4b c1       	rjmp	.+662    	; 0x2f2 <_exit>
 
 0000005c <__bad_interrupt>:
   5c:	d1 cf       	rjmp	.-94     	; 0x0 <__vectors>
@@ -327,188 +327,314 @@ void wait_100us(void){
  156:	cf 91       	pop	r28
  158:	08 95       	ret
 
-0000015a <lcd_write_text>:
+0000015a <__vector_5>:
+int counter = 0;
+
+uint8_t flags;
+
+ISR (TIMER1_OVF_vect)    // Timer1 ISR
+{
+ 15a:	1f 92       	push	r1
+ 15c:	0f 92       	push	r0
+ 15e:	0f b6       	in	r0, 0x3f	; 63
+ 160:	0f 92       	push	r0
+ 162:	11 24       	eor	r1, r1
+ 164:	8f 93       	push	r24
+ 166:	9f 93       	push	r25
+	//counter++;
+	TCNT1 = 63974;
+ 168:	86 ee       	ldi	r24, 0xE6	; 230
+ 16a:	99 ef       	ldi	r25, 0xF9	; 249
+ 16c:	9d bd       	out	0x2d, r25	; 45
+ 16e:	8c bd       	out	0x2c, r24	; 44
+}
+ 170:	9f 91       	pop	r25
+ 172:	8f 91       	pop	r24
+ 174:	0f 90       	pop	r0
+ 176:	0f be       	out	0x3f, r0	; 63
+ 178:	0f 90       	pop	r0
+ 17a:	1f 90       	pop	r1
+ 17c:	18 95       	reti
+
+0000017e <lcd_write_text>:
 		}
     }
 }
 
 void lcd_write_text(int row, int col, uint8_t text[16])
 {
- 15a:	ef 92       	push	r14
- 15c:	ff 92       	push	r15
- 15e:	0f 93       	push	r16
- 160:	1f 93       	push	r17
- 162:	cf 93       	push	r28
- 164:	7c 01       	movw	r14, r24
+ 17e:	ef 92       	push	r14
+ 180:	ff 92       	push	r15
+ 182:	0f 93       	push	r16
+ 184:	1f 93       	push	r17
+ 186:	cf 93       	push	r28
+ 188:	7c 01       	movw	r14, r24
 	switch(row){
- 166:	89 2b       	or	r24, r25
- 168:	29 f0       	breq	.+10     	; 0x174 <lcd_write_text+0x1a>
- 16a:	81 e0       	ldi	r24, 0x01	; 1
- 16c:	e8 16       	cp	r14, r24
- 16e:	f1 04       	cpc	r15, r1
- 170:	31 f0       	breq	.+12     	; 0x17e <lcd_write_text+0x24>
- 172:	0a c0       	rjmp	.+20     	; 0x188 <lcd_write_text+0x2e>
+ 18a:	89 2b       	or	r24, r25
+ 18c:	29 f0       	breq	.+10     	; 0x198 <lcd_write_text+0x1a>
+ 18e:	81 e0       	ldi	r24, 0x01	; 1
+ 190:	e8 16       	cp	r14, r24
+ 192:	f1 04       	cpc	r15, r1
+ 194:	31 f0       	breq	.+12     	; 0x1a2 <lcd_write_text+0x24>
+ 196:	0a c0       	rjmp	.+20     	; 0x1ac <lcd_write_text+0x2e>
 		case 0:
 			row = line1;
- 174:	68 94       	set
- 176:	ee 24       	eor	r14, r14
- 178:	e1 f8       	bld	r14, 1
- 17a:	f1 2c       	mov	r15, r1
- 17c:	05 c0       	rjmp	.+10     	; 0x188 <lcd_write_text+0x2e>
+ 198:	68 94       	set
+ 19a:	ee 24       	eor	r14, r14
+ 19c:	e1 f8       	bld	r14, 1
+ 19e:	f1 2c       	mov	r15, r1
+ 1a0:	05 c0       	rjmp	.+10     	; 0x1ac <lcd_write_text+0x2e>
 			break;
 		case 1:
 			row = line2;
- 17e:	0f 2e       	mov	r0, r31
- 180:	f3 e0       	ldi	r31, 0x03	; 3
- 182:	ef 2e       	mov	r14, r31
- 184:	f1 2c       	mov	r15, r1
- 186:	f0 2d       	mov	r31, r0
+ 1a2:	0f 2e       	mov	r0, r31
+ 1a4:	f3 e0       	ldi	r31, 0x03	; 3
+ 1a6:	ef 2e       	mov	r14, r31
+ 1a8:	f1 2c       	mov	r15, r1
+ 1aa:	f0 2d       	mov	r31, r0
+ 1ac:	04 2f       	mov	r16, r20
+ 1ae:	15 2f       	mov	r17, r21
+ 1b0:	c0 e0       	ldi	r28, 0x00	; 0
 			break;
 	}
-	int i=0;
-	while(text[i] != 0x5F){
- 188:	fa 01       	movw	r30, r20
- 18a:	60 81       	ld	r22, Z
- 18c:	6f 35       	cpi	r22, 0x5F	; 95
- 18e:	69 f0       	breq	.+26     	; 0x1aa <lcd_write_text+0x50>
- 190:	8a 01       	movw	r16, r20
- 192:	0f 5f       	subi	r16, 0xFF	; 255
- 194:	1f 4f       	sbci	r17, 0xFF	; 255
- 196:	c0 e0       	ldi	r28, 0x00	; 0
-		lcd_write(row, text[i], 0+i);
- 198:	4c 2f       	mov	r20, r28
- 19a:	8e 2d       	mov	r24, r14
- 19c:	67 df       	rcall	.-306    	; 0x6c <lcd_write>
+	for(int i=0;i<=15;i++){
+		if(text[i] != 0x5F){
+ 1b2:	f8 01       	movw	r30, r16
+ 1b4:	61 91       	ld	r22, Z+
+ 1b6:	8f 01       	movw	r16, r30
+ 1b8:	6f 35       	cpi	r22, 0x5F	; 95
+ 1ba:	19 f0       	breq	.+6      	; 0x1c2 <lcd_write_text+0x44>
+			lcd_write(row, text[i], 0+i);
+ 1bc:	4c 2f       	mov	r20, r28
+ 1be:	8e 2d       	mov	r24, r14
+ 1c0:	55 df       	rcall	.-342    	; 0x6c <lcd_write>
+ 1c2:	cf 5f       	subi	r28, 0xFF	; 255
+			break;
 		case 1:
 			row = line2;
 			break;
 	}
-	int i=0;
-	while(text[i] != 0x5F){
- 19e:	f8 01       	movw	r30, r16
- 1a0:	61 91       	ld	r22, Z+
- 1a2:	8f 01       	movw	r16, r30
- 1a4:	cf 5f       	subi	r28, 0xFF	; 255
- 1a6:	6f 35       	cpi	r22, 0x5F	; 95
- 1a8:	b9 f7       	brne	.-18     	; 0x198 <lcd_write_text+0x3e>
-		lcd_write(row, text[i], 0+i);
-		i++;
+	for(int i=0;i<=15;i++){
+ 1c4:	c0 31       	cpi	r28, 0x10	; 16
+ 1c6:	a9 f7       	brne	.-22     	; 0x1b2 <lcd_write_text+0x34>
+		if(text[i] != 0x5F){
+			lcd_write(row, text[i], 0+i);
+		}
 	}
 }
- 1aa:	cf 91       	pop	r28
- 1ac:	1f 91       	pop	r17
- 1ae:	0f 91       	pop	r16
- 1b0:	ff 90       	pop	r15
- 1b2:	ef 90       	pop	r14
- 1b4:	08 95       	ret
+ 1c8:	cf 91       	pop	r28
+ 1ca:	1f 91       	pop	r17
+ 1cc:	0f 91       	pop	r16
+ 1ce:	ff 90       	pop	r15
+ 1d0:	ef 90       	pop	r14
+ 1d2:	08 95       	ret
 
-000001b6 <main>:
+000001d4 <button_clicked>:
 
-uint8_t flags;
+int button_clicked(int button)
+{
+	if(((PIND & 0x03) == button+1) != ((flags & (1<<button))>0)){
+ 1d4:	20 b3       	in	r18, 0x10	; 16
+ 1d6:	bc 01       	movw	r22, r24
+ 1d8:	6f 5f       	subi	r22, 0xFF	; 255
+ 1da:	7f 4f       	sbci	r23, 0xFF	; 255
+ 1dc:	40 91 77 00 	lds	r20, 0x0077	; 0x800077 <flags>
+ 1e0:	e1 e0       	ldi	r30, 0x01	; 1
+ 1e2:	f0 e0       	ldi	r31, 0x00	; 0
+ 1e4:	df 01       	movw	r26, r30
+ 1e6:	02 c0       	rjmp	.+4      	; 0x1ec <button_clicked+0x18>
+ 1e8:	aa 0f       	add	r26, r26
+ 1ea:	bb 1f       	adc	r27, r27
+ 1ec:	8a 95       	dec	r24
+ 1ee:	e2 f7       	brpl	.-8      	; 0x1e8 <button_clicked+0x14>
+ 1f0:	cd 01       	movw	r24, r26
+ 1f2:	23 70       	andi	r18, 0x03	; 3
+ 1f4:	30 e0       	ldi	r19, 0x00	; 0
+ 1f6:	51 e0       	ldi	r21, 0x01	; 1
+ 1f8:	26 17       	cp	r18, r22
+ 1fa:	37 07       	cpc	r19, r23
+ 1fc:	09 f0       	breq	.+2      	; 0x200 <button_clicked+0x2c>
+ 1fe:	50 e0       	ldi	r21, 0x00	; 0
+ 200:	24 2f       	mov	r18, r20
+ 202:	30 e0       	ldi	r19, 0x00	; 0
+ 204:	28 23       	and	r18, r24
+ 206:	39 23       	and	r19, r25
+ 208:	e1 e0       	ldi	r30, 0x01	; 1
+ 20a:	12 16       	cp	r1, r18
+ 20c:	13 06       	cpc	r1, r19
+ 20e:	0c f0       	brlt	.+2      	; 0x212 <button_clicked+0x3e>
+ 210:	e0 e0       	ldi	r30, 0x00	; 0
+ 212:	5e 17       	cp	r21, r30
+ 214:	99 f0       	breq	.+38     	; 0x23c <button_clicked+0x68>
+		//if the pin is not equal to the stored state -> was pressed or released
+		//check is the button has been pressed or released
+		if((PIND & 0x03) == button+1){
+ 216:	20 b3       	in	r18, 0x10	; 16
+ 218:	23 70       	andi	r18, 0x03	; 3
+ 21a:	30 e0       	ldi	r19, 0x00	; 0
+ 21c:	62 17       	cp	r22, r18
+ 21e:	73 07       	cpc	r23, r19
+ 220:	31 f4       	brne	.+12     	; 0x22e <button_clicked+0x5a>
+			//button is high -> pressed
+			flags |= (1<<button);
+ 222:	84 2b       	or	r24, r20
+ 224:	80 93 77 00 	sts	0x0077, r24	; 0x800077 <flags>
+			return(1);
+ 228:	81 e0       	ldi	r24, 0x01	; 1
+ 22a:	90 e0       	ldi	r25, 0x00	; 0
+ 22c:	08 95       	ret
+		}
+		else{
+			//button is low -> released
+			flags &= ~(1<<button);
+ 22e:	80 95       	com	r24
+ 230:	48 23       	and	r20, r24
+ 232:	40 93 77 00 	sts	0x0077, r20	; 0x800077 <flags>
+			return(0);
+ 236:	80 e0       	ldi	r24, 0x00	; 0
+ 238:	90 e0       	ldi	r25, 0x00	; 0
+ 23a:	08 95       	ret
+		}
+	}
+	return(0);
+ 23c:	80 e0       	ldi	r24, 0x00	; 0
+ 23e:	90 e0       	ldi	r25, 0x00	; 0
+}
+ 240:	08 95       	ret
+
+00000242 <main>:
+	TCNT1 = 63974;
+}
 
 int main(void)
 {
 	DDRD = 0x00;
- 1b6:	11 ba       	out	0x11, r1	; 17
-						flags &= ~(1<<butt1);
-					}	
-				}
+ 242:	11 ba       	out	0x11, r1	; 17
+	
+	TCNT1 = 63974;   // for 1 sec at 16 MHz
+ 244:	86 ee       	ldi	r24, 0xE6	; 230
+ 246:	99 ef       	ldi	r25, 0xF9	; 249
+ 248:	9d bd       	out	0x2d, r25	; 45
+ 24a:	8c bd       	out	0x2c, r24	; 44
+
+	TCCR1A = 0x00;
+ 24c:	1f bc       	out	0x2f, r1	; 47
+	TCCR1B = (1<<CS10) | (1<<CS12);;  // Timer mode with 1024 prescaler
+ 24e:	85 e0       	ldi	r24, 0x05	; 5
+ 250:	8e bd       	out	0x2e, r24	; 46
+	TIMSK = (1 << TOIE1) ;   // Enable timer1 overflow interrupt(TOIE1)
+ 252:	80 e8       	ldi	r24, 0x80	; 128
+ 254:	89 bf       	out	0x39, r24	; 57
+	sei(); // Enable global interrupts by setting global interrupt enable bit in SREG
+ 256:	78 94       	sei
+// 						flags &= ~(1<<butt1);
+// 					}
+// 				}
+
 				
-				
-					t1[0] = counter + 48;
- 1b8:	c2 e7       	ldi	r28, 0x72	; 114
- 1ba:	d0 e0       	ldi	r29, 0x00	; 0
+				t1[0] = counter + 48;
+ 258:	c2 e7       	ldi	r28, 0x72	; 114
+ 25a:	d0 e0       	ldi	r29, 0x00	; 0
 	
 	
     /* Replace with your application code */
     while (1) 
     {
 		clock_state = clock_new_state;
- 1bc:	80 91 74 00 	lds	r24, 0x0074	; 0x800074 <clock_new_state>
+ 25c:	80 91 74 00 	lds	r24, 0x0074	; 0x800074 <clock_new_state>
 		switch(clock_state){
- 1c0:	88 23       	and	r24, r24
- 1c2:	19 f0       	breq	.+6      	; 0x1ca <main+0x14>
- 1c4:	81 30       	cpi	r24, 0x01	; 1
- 1c6:	51 f0       	breq	.+20     	; 0x1dc <main+0x26>
- 1c8:	fb cf       	rjmp	.-10     	; 0x1c0 <main+0xa>
- 1ca:	10 92 75 00 	sts	0x0075, r1	; 0x800075 <clock_state>
+ 260:	88 23       	and	r24, r24
+ 262:	19 f0       	breq	.+6      	; 0x26a <main+0x28>
+ 264:	81 30       	cpi	r24, 0x01	; 1
+ 266:	51 f0       	breq	.+20     	; 0x27c <main+0x3a>
+ 268:	fb cf       	rjmp	.-10     	; 0x260 <main+0x1e>
+ 26a:	10 92 75 00 	sts	0x0075, r1	; 0x800075 <clock_state>
 			case CLOCK_INIT:
 				//do some init stuff...
 				lcd_init(); //I know, it's just c but I don't care
- 1ce:	8d df       	rcall	.-230    	; 0xea <lcd_init>
+ 26e:	3d df       	rcall	.-390    	; 0xea <lcd_init>
 				lcd_instruct(lcd_DISPLAY_CLEAR);
- 1d0:	81 e0       	ldi	r24, 0x01	; 1
- 1d2:	86 df       	rcall	.-244    	; 0xe0 <lcd_instruct>
+ 270:	81 e0       	ldi	r24, 0x01	; 1
+ 272:	36 df       	rcall	.-404    	; 0xe0 <lcd_instruct>
 				//INIT done -> change to IDLE
 				clock_new_state = CLOCK_IDLE;
- 1d4:	81 e0       	ldi	r24, 0x01	; 1
- 1d6:	80 93 74 00 	sts	0x0074, r24	; 0x800074 <clock_new_state>
+ 274:	81 e0       	ldi	r24, 0x01	; 1
+ 276:	80 93 74 00 	sts	0x0074, r24	; 0x800074 <clock_new_state>
 
 				break;
- 1da:	f0 cf       	rjmp	.-32     	; 0x1bc <main+0x6>
- 1dc:	81 e0       	ldi	r24, 0x01	; 1
- 1de:	80 93 75 00 	sts	0x0075, r24	; 0x800075 <clock_state>
+ 27a:	f0 cf       	rjmp	.-32     	; 0x25c <main+0x1a>
+ 27c:	81 e0       	ldi	r24, 0x01	; 1
+ 27e:	80 93 75 00 	sts	0x0075, r24	; 0x800075 <clock_state>
 			case CLOCK_IDLE:
 				//IDLE MODE
 
 				//print the IDLE Screen
 				
 				lcd_write_text(0,0,t1);
- 1e2:	40 e6       	ldi	r20, 0x60	; 96
- 1e4:	50 e0       	ldi	r21, 0x00	; 0
- 1e6:	60 e0       	ldi	r22, 0x00	; 0
- 1e8:	70 e0       	ldi	r23, 0x00	; 0
- 1ea:	80 e0       	ldi	r24, 0x00	; 0
- 1ec:	90 e0       	ldi	r25, 0x00	; 0
- 1ee:	b5 df       	rcall	.-150    	; 0x15a <lcd_write_text>
+ 282:	40 e6       	ldi	r20, 0x60	; 96
+ 284:	50 e0       	ldi	r21, 0x00	; 0
+ 286:	60 e0       	ldi	r22, 0x00	; 0
+ 288:	70 e0       	ldi	r23, 0x00	; 0
+ 28a:	80 e0       	ldi	r24, 0x00	; 0
+ 28c:	90 e0       	ldi	r25, 0x00	; 0
+ 28e:	77 df       	rcall	.-274    	; 0x17e <lcd_write_text>
 				
-				if(((PIND & 0x03) == 3) != (flags & 1<<butt1)){
- 1f0:	90 b3       	in	r25, 0x10	; 16
- 1f2:	80 91 77 00 	lds	r24, 0x0077	; 0x800077 <flags>
- 1f6:	93 70       	andi	r25, 0x03	; 3
- 1f8:	21 e0       	ldi	r18, 0x01	; 1
- 1fa:	93 30       	cpi	r25, 0x03	; 3
- 1fc:	09 f0       	breq	.+2      	; 0x200 <main+0x4a>
- 1fe:	20 e0       	ldi	r18, 0x00	; 0
- 200:	98 2f       	mov	r25, r24
- 202:	91 70       	andi	r25, 0x01	; 1
- 204:	29 17       	cp	r18, r25
- 206:	a1 f0       	breq	.+40     	; 0x230 <main+0x7a>
-					
-					if((PIND & 0x03) == 3){
- 208:	90 b3       	in	r25, 0x10	; 16
- 20a:	93 70       	andi	r25, 0x03	; 3
- 20c:	93 30       	cpi	r25, 0x03	; 3
- 20e:	69 f4       	brne	.+26     	; 0x22a <main+0x74>
-						flags |= 1<<butt1;
- 210:	81 60       	ori	r24, 0x01	; 1
- 212:	80 93 77 00 	sts	0x0077, r24	; 0x800077 <flags>
-						counter++;
- 216:	80 91 72 00 	lds	r24, 0x0072	; 0x800072 <__data_end>
- 21a:	90 91 73 00 	lds	r25, 0x0073	; 0x800073 <__data_end+0x1>
- 21e:	01 96       	adiw	r24, 0x01	; 1
- 220:	90 93 73 00 	sts	0x0073, r25	; 0x800073 <__data_end+0x1>
- 224:	80 93 72 00 	sts	0x0072, r24	; 0x800072 <__data_end>
- 228:	03 c0       	rjmp	.+6      	; 0x230 <main+0x7a>
-					}
-					else{
-						flags &= ~(1<<butt1);
- 22a:	8e 7f       	andi	r24, 0xFE	; 254
- 22c:	80 93 77 00 	sts	0x0077, r24	; 0x800077 <flags>
-					}	
+
+				if(button_clicked(butt1)){
+ 290:	80 e0       	ldi	r24, 0x00	; 0
+ 292:	90 e0       	ldi	r25, 0x00	; 0
+ 294:	9f df       	rcall	.-194    	; 0x1d4 <button_clicked>
+ 296:	89 2b       	or	r24, r25
+ 298:	51 f0       	breq	.+20     	; 0x2ae <main+0x6c>
+					counter++;
+ 29a:	80 91 72 00 	lds	r24, 0x0072	; 0x800072 <__data_end>
+ 29e:	90 91 73 00 	lds	r25, 0x0073	; 0x800073 <__data_end+0x1>
+ 2a2:	01 96       	adiw	r24, 0x01	; 1
+ 2a4:	90 93 73 00 	sts	0x0073, r25	; 0x800073 <__data_end+0x1>
+ 2a8:	80 93 72 00 	sts	0x0072, r24	; 0x800072 <__data_end>
+ 2ac:	1d c0       	rjmp	.+58     	; 0x2e8 <main+0xa6>
 				}
+				else if(button_clicked(butt2)){
+ 2ae:	81 e0       	ldi	r24, 0x01	; 1
+ 2b0:	90 e0       	ldi	r25, 0x00	; 0
+ 2b2:	90 df       	rcall	.-224    	; 0x1d4 <button_clicked>
+ 2b4:	89 2b       	or	r24, r25
+ 2b6:	51 f0       	breq	.+20     	; 0x2cc <main+0x8a>
+					counter += 2;
+ 2b8:	80 91 72 00 	lds	r24, 0x0072	; 0x800072 <__data_end>
+ 2bc:	90 91 73 00 	lds	r25, 0x0073	; 0x800073 <__data_end+0x1>
+ 2c0:	02 96       	adiw	r24, 0x02	; 2
+ 2c2:	90 93 73 00 	sts	0x0073, r25	; 0x800073 <__data_end+0x1>
+ 2c6:	80 93 72 00 	sts	0x0072, r24	; 0x800072 <__data_end>
+ 2ca:	0e c0       	rjmp	.+28     	; 0x2e8 <main+0xa6>
+				}
+				else if(button_clicked(butt3)){
+ 2cc:	82 e0       	ldi	r24, 0x02	; 2
+ 2ce:	90 e0       	ldi	r25, 0x00	; 0
+ 2d0:	81 df       	rcall	.-254    	; 0x1d4 <button_clicked>
+ 2d2:	89 2b       	or	r24, r25
+ 2d4:	49 f0       	breq	.+18     	; 0x2e8 <main+0xa6>
+					counter += 3;
+ 2d6:	80 91 72 00 	lds	r24, 0x0072	; 0x800072 <__data_end>
+ 2da:	90 91 73 00 	lds	r25, 0x0073	; 0x800073 <__data_end+0x1>
+ 2de:	03 96       	adiw	r24, 0x03	; 3
+ 2e0:	90 93 73 00 	sts	0x0073, r25	; 0x800073 <__data_end+0x1>
+ 2e4:	80 93 72 00 	sts	0x0072, r24	; 0x800072 <__data_end>
+// 						flags &= ~(1<<butt1);
+// 					}
+// 				}
+
 				
-				
-					t1[0] = counter + 48;
- 230:	88 81       	ld	r24, Y
- 232:	80 5d       	subi	r24, 0xD0	; 208
- 234:	80 93 60 00 	sts	0x0060, r24	; 0x800060 <__data_start>
+				t1[0] = counter + 48;
+ 2e8:	88 81       	ld	r24, Y
+ 2ea:	80 5d       	subi	r24, 0xD0	; 208
+ 2ec:	80 93 60 00 	sts	0x0060, r24	; 0x800060 <__data_start>
 				
 			break;
- 238:	c1 cf       	rjmp	.-126    	; 0x1bc <main+0x6>
+ 2f0:	b5 cf       	rjmp	.-150    	; 0x25c <main+0x1a>
 
-0000023a <_exit>:
- 23a:	f8 94       	cli
+000002f2 <_exit>:
+ 2f2:	f8 94       	cli
 
-0000023c <__stop_program>:
- 23c:	ff cf       	rjmp	.-2      	; 0x23c <__stop_program>
+000002f4 <__stop_program>:
+ 2f4:	ff cf       	rjmp	.-2      	; 0x2f4 <__stop_program>
diff --git a/Debug/AtTiny_alarm_clock.map b/Debug/AtTiny_alarm_clock.map
index 74c3fd6..538eddd 100644
--- a/Debug/AtTiny_alarm_clock.map
+++ b/Debug/AtTiny_alarm_clock.map
@@ -203,7 +203,7 @@ END GROUP
 .rela.plt
  *(.rela.plt)
 
-.text           0x00000000      0x23e
+.text           0x00000000      0x2f6
  *(.vectors)
  .vectors       0x00000000       0x2a C:/Program Files (x86)/Atmel/Studio/7.0/Packs/atmel/ATtiny_DFP/1.3.172/gcc/dev/attiny2313a/avr25/tiny-stack/crtattiny2313a.o
                 0x00000000                __vector_default
@@ -272,7 +272,6 @@ END GROUP
                 0x0000005c                __vector_17
                 0x0000005c                __vector_19
                 0x0000005c                __vector_7
-                0x0000005c                __vector_5
                 0x0000005c                __vector_4
                 0x0000005c                __vector_9
                 0x0000005c                __vector_2
@@ -299,16 +298,22 @@ END GROUP
  .text.wait_100us
                 0x00000128       0x32 lcd_wait.o
                 0x00000128                wait_100us
+ .text.__vector_5
+                0x0000015a       0x24 main.o
+                0x0000015a                __vector_5
  .text.lcd_write_text
-                0x0000015a       0x5c main.o
-                0x0000015a                lcd_write_text
- .text.main     0x000001b6       0x84 main.o
-                0x000001b6                main
-                0x0000023a                . = ALIGN (0x2)
+                0x0000017e       0x56 main.o
+                0x0000017e                lcd_write_text
+ .text.button_clicked
+                0x000001d4       0x6e main.o
+                0x000001d4                button_clicked
+ .text.main     0x00000242       0xb0 main.o
+                0x00000242                main
+                0x000002f2                . = ALIGN (0x2)
  *(.fini9)
- .fini9         0x0000023a        0x0 c:/program files (x86)/atmel/studio/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/5.4.0/avr25/tiny-stack\libgcc.a(_exit.o)
-                0x0000023a                _exit
-                0x0000023a                exit
+ .fini9         0x000002f2        0x0 c:/program files (x86)/atmel/studio/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/5.4.0/avr25/tiny-stack\libgcc.a(_exit.o)
+                0x000002f2                _exit
+                0x000002f2                exit
  *(.fini9)
  *(.fini8)
  *(.fini8)
@@ -327,11 +332,11 @@ END GROUP
  *(.fini1)
  *(.fini1)
  *(.fini0)
- .fini0         0x0000023a        0x4 c:/program files (x86)/atmel/studio/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/5.4.0/avr25/tiny-stack\libgcc.a(_exit.o)
+ .fini0         0x000002f2        0x4 c:/program files (x86)/atmel/studio/7.0/toolchain/avr8/avr8-gnu-toolchain/bin/../lib/gcc/avr/5.4.0/avr25/tiny-stack\libgcc.a(_exit.o)
  *(.fini0)
-                0x0000023e                _etext = .
+                0x000002f6                _etext = .
 
-.data           0x00800060       0x12 load address 0x0000023e
+.data           0x00800060       0x12 load address 0x000002f6
                 0x00800060                PROVIDE (__data_start, .)
  *(.data)
  *(.data*)
@@ -363,8 +368,8 @@ END GROUP
                 0x00800076                clock_old_state
                 0x00800077                flags
                 0x00800078                PROVIDE (__bss_end, .)
-                0x0000023e                __data_load_start = LOADADDR (.data)
-                0x00000250                __data_load_end = (__data_load_start + SIZEOF (.data))
+                0x000002f6                __data_load_start = LOADADDR (.data)
+                0x00000308                __data_load_end = (__data_load_start + SIZEOF (.data))
 
 .noinit         0x00800078        0x0
                 [!provide]                PROVIDE (__noinit_start, .)
@@ -437,60 +442,60 @@ END GROUP
 .debug_sfnames
  *(.debug_sfnames)
 
-.debug_aranges  0x00000000       0x90
+.debug_aranges  0x00000000       0xa0
  *(.debug_aranges)
  .debug_aranges
                 0x00000000       0x48 lcd4.o
  .debug_aranges
                 0x00000048       0x20 lcd_wait.o
  .debug_aranges
-                0x00000068       0x28 main.o
+                0x00000068       0x38 main.o
 
 .debug_pubnames
  *(.debug_pubnames)
 
-.debug_info     0x00000000      0xa9b
+.debug_info     0x00000000      0xb59
  *(.debug_info .gnu.linkonce.wi.*)
  .debug_info    0x00000000      0x456 C:/Program Files (x86)/Atmel/Studio/7.0/Packs/atmel/ATtiny_DFP/1.3.172/gcc/dev/attiny2313a/avr25/tiny-stack/crtattiny2313a.o
  .debug_info    0x00000456      0x31d lcd4.o
  .debug_info    0x00000773       0xa3 lcd_wait.o
- .debug_info    0x00000816      0x285 main.o
+ .debug_info    0x00000816      0x343 main.o
 
-.debug_abbrev   0x00000000      0x6f0
+.debug_abbrev   0x00000000      0x738
  *(.debug_abbrev)
  .debug_abbrev  0x00000000      0x41b C:/Program Files (x86)/Atmel/Studio/7.0/Packs/atmel/ATtiny_DFP/1.3.172/gcc/dev/attiny2313a/avr25/tiny-stack/crtattiny2313a.o
  .debug_abbrev  0x0000041b       0xfe lcd4.o
  .debug_abbrev  0x00000519       0x72 lcd_wait.o
- .debug_abbrev  0x0000058b      0x165 main.o
+ .debug_abbrev  0x0000058b      0x1ad main.o
 
-.debug_line     0x00000000      0x59a
+.debug_line     0x00000000      0x61f
  *(.debug_line .debug_line.* .debug_line_end)
  .debug_line    0x00000000      0x10c C:/Program Files (x86)/Atmel/Studio/7.0/Packs/atmel/ATtiny_DFP/1.3.172/gcc/dev/attiny2313a/avr25/tiny-stack/crtattiny2313a.o
  .debug_line    0x0000010c      0x291 lcd4.o
  .debug_line    0x0000039d       0xbd lcd_wait.o
- .debug_line    0x0000045a      0x140 main.o
+ .debug_line    0x0000045a      0x1c5 main.o
 
-.debug_frame    0x00000000      0x120
+.debug_frame    0x00000000      0x154
  *(.debug_frame)
  .debug_frame   0x00000000       0x9c lcd4.o
  .debug_frame   0x0000009c       0x34 lcd_wait.o
- .debug_frame   0x000000d0       0x50 main.o
+ .debug_frame   0x000000d0       0x84 main.o
 
-.debug_str      0x00000000      0x446
+.debug_str      0x00000000      0x470
  *(.debug_str)
  .debug_str     0x00000000      0x17b C:/Program Files (x86)/Atmel/Studio/7.0/Packs/atmel/ATtiny_DFP/1.3.172/gcc/dev/attiny2313a/avr25/tiny-stack/crtattiny2313a.o
  .debug_str     0x0000017b      0x1c0 lcd4.o
                                 0x1fd (size before relaxing)
  .debug_str     0x0000033b       0x10 lcd_wait.o
                                 0x166 (size before relaxing)
- .debug_str     0x0000034b       0xfb main.o
-                                0x2a9 (size before relaxing)
+ .debug_str     0x0000034b      0x125 main.o
+                                0x2d3 (size before relaxing)
 
-.debug_loc      0x00000000      0x3bb
+.debug_loc      0x00000000      0x428
  *(.debug_loc)
  .debug_loc     0x00000000      0x244 lcd4.o
  .debug_loc     0x00000244       0x48 lcd_wait.o
- .debug_loc     0x0000028c      0x12f main.o
+ .debug_loc     0x0000028c      0x19c main.o
 
 .debug_macinfo
  *(.debug_macinfo)
@@ -510,11 +515,11 @@ END GROUP
 .debug_pubtypes
  *(.debug_pubtypes)
 
-.debug_ranges   0x00000000       0x78
+.debug_ranges   0x00000000       0x88
  *(.debug_ranges)
  .debug_ranges  0x00000000       0x38 lcd4.o
  .debug_ranges  0x00000038       0x10 lcd_wait.o
- .debug_ranges  0x00000048       0x30 main.o
+ .debug_ranges  0x00000048       0x40 main.o
 
 .debug_macro
  *(.debug_macro)
diff --git a/Debug/AtTiny_alarm_clock.srec b/Debug/AtTiny_alarm_clock.srec
index 52486b7..5211b36 100644
--- a/Debug/AtTiny_alarm_clock.srec
+++ b/Debug/AtTiny_alarm_clock.srec
@@ -1,10 +1,10 @@
 S01A0000417454696E795F616C61726D5F636C6F636B2E73726563DA
-S113000014C02CC02BC02AC029C028C027C026C0B9
+S113000014C02CC02BC02AC029C0A7C027C026C03A
 S113001025C024C023C022C021C020C01FC01EC0D0
 S11300201DC01CC01BC01AC019C011241FBECFEDB7
-S1130030CDBF10E0A0E6B0E0EEE3F2E002C0059030
+S1130030CDBF10E0A0E6B0E0E6EFF2E002C005902C
 S11300400D92A237B107D9F720E0A2E7B0E001C0D2
-S11300501D92A837B207E1F7AED0EFC0D1CFCF934E
+S11300501D92A837B207E1F7F4D04BC1D1CFCF93AB
 S1130060C2E362D0C150E9F7CF910895CF93C62F70
 S1130070843038F4823048F4882371F0813049F0B8
 S11300800CC0843051F4939808C04F73833009F442
@@ -20,21 +20,33 @@ S1130110E7DF87B3807F87BB8CE0E2DF86E0E0DF48
 S113012082E0DEDF9CDF0895CF93DF931F92CDB78B
 S1130130DD2784E4898389819FEF980F998388233D
 S113014041F08981898189819FEF980F9983811179
-S1130150F8CF0F90DF91CF910895EF92FF920F9314
-S11301601F93CF937C01892B29F081E0E816F104D9
-S113017031F00AC06894EE24E1F8F12C05C00F2E8A
-S1130180F3E0EF2EF12CF02DFA0160816F3569F068
-S11301908A010F5F1F4FC0E04C2F8E2D67DFF801DF
-S11301A061918F01CF5F6F35B9F7CF911F910F9197
-S11301B0FF90EF90089511BAC2E7D0E080917400E7
-S11301C0882319F0813051F0FBCF109275008DDF38
-S11301D081E086DF81E080937400F0CF81E080933A
-S11301E0750040E650E060E070E080E090E0B5DF4C
-S11301F090B380917700937021E0933009F020E070
-S1130200982F91702917A1F090B39370933069F4EB
-S113021081608093770080917200909173000196C1
-S1130220909373008093720003C08E7F8093770055
-S11102308881805D80936000C1CFF894FFCF79
-S113023E2048616C6C6F5F5F5F5F5F5F5F5F5F5FE6
-S105024E5F004B
+S1130150F8CF0F90DF91CF9108951F920F920FB6B1
+S11301600F9211248F939F9386EE99EF9DBD8CBDC2
+S11301709F918F910F900FBE0F901F901895EF9243
+S1130180FF920F931F93CF937C01892B29F081E079
+S1130190E816F10431F00AC06894EE24E1F8F12C79
+S11301A005C00F2EF3E0EF2EF12CF02D042F152FA8
+S11301B0C0E0F80161918F016F3519F04C2F8E2D3D
+S11301C055DFCF5FC031A9F7CF911F910F91FF90F9
+S11301D0EF90089520B3BC016F5F7F4F409177008B
+S11301E0E1E0F0E0DF0102C0AA0FBB1F8A95E2F74D
+S11301F0CD01237030E051E02617370709F050E0B5
+S1130200242F30E028233923E1E0121613060CF0E2
+S1130210E0E05E1799F020B3237030E062177307B3
+S113022031F4842B8093770081E090E008958095E9
+S113023048234093770080E090E0089580E090E0C8
+S1130240089511BA86EE99EF9DBD8CBD1FBC85E063
+S11302508EBD80E889BF7894C2E7D0E080917400B5
+S1130260882319F0813051F0FBCF109275003DDFE7
+S113027081E036DF81E080937400F0CF81E08093E9
+S1130280750040E650E060E070E080E090E077DFE9
+S113029080E090E09FDF892B51F080917200909173
+S11302A07300019690937300809372001DC081E0E7
+S11302B090E090DF892B51F080917200909173004F
+S11302C0029690937300809372000EC082E090E0D7
+S11302D081DF892B49F0809172009091730003961D
+S11302E090937300809372008881805D8093600096
+S10902F0B5CFF894FFCF26
+S11302F62048616C6C6F5F5F5F5F5F5F5F5F5F5F2E
+S10503065F0092
 S9030000FC
diff --git a/Debug/main.d b/Debug/main.d
index 9b43f08..ea8e404 100644
--- a/Debug/main.d
+++ b/Debug/main.d
@@ -10,6 +10,7 @@ main.d main.o: .././main.c \
  c:\program\ files\ (x86)\atmel\studio\7.0\toolchain\avr8\avr8-gnu-toolchain\avr\include\avr\version.h \
  c:\program\ files\ (x86)\atmel\studio\7.0\toolchain\avr8\avr8-gnu-toolchain\avr\include\avr\fuse.h \
  c:\program\ files\ (x86)\atmel\studio\7.0\toolchain\avr8\avr8-gnu-toolchain\avr\include\avr\lock.h \
+ c:\program\ files\ (x86)\atmel\studio\7.0\toolchain\avr8\avr8-gnu-toolchain\avr\include\avr\interrupt.h \
  c:\program\ files\ (x86)\atmel\studio\7.0\toolchain\avr8\avr8-gnu-toolchain\avr\include\stdlib.h \
  c:\program\ files\ (x86)\atmel\studio\7.0\toolchain\avr8\avr8-gnu-toolchain\lib\gcc\avr\5.4.0\include\stddef.h \
  .././lcd4.h
@@ -36,6 +37,8 @@ c:\program\ files\ (x86)\atmel\studio\7.0\toolchain\avr8\avr8-gnu-toolchain\avr\
 
 c:\program\ files\ (x86)\atmel\studio\7.0\toolchain\avr8\avr8-gnu-toolchain\avr\include\avr\lock.h:
 
+c:\program\ files\ (x86)\atmel\studio\7.0\toolchain\avr8\avr8-gnu-toolchain\avr\include\avr\interrupt.h:
+
 c:\program\ files\ (x86)\atmel\studio\7.0\toolchain\avr8\avr8-gnu-toolchain\avr\include\stdlib.h:
 
 c:\program\ files\ (x86)\atmel\studio\7.0\toolchain\avr8\avr8-gnu-toolchain\lib\gcc\avr\5.4.0\include\stddef.h:
diff --git a/Debug/main.o b/Debug/main.o
index a50e91a1f3bdc85cc192fcd483d01db7228e3aa3..215ffe35865ffd02acad61c5d4b6deaccd0c9559 100644
GIT binary patch
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diff --git a/main.c b/main.c
index f8a47c6..88f41a2 100644
--- a/main.c
+++ b/main.c
@@ -6,10 +6,13 @@
  */ 
 
 #include <avr/io.h>
+#include <avr/interrupt.h>
 #include <stdlib.h>
 #include "lcd4.h"
 
 #define butt1 0
+#define butt2 1
+#define butt3 2
 
 typedef enum {CLOCK_INIT = 0, CLOCK_IDLE, CLOCK_ALARM, CLOCK_STOPWATCH_RUNNING, CLOCK_STOPWATCH_STOPPED, CLOCK_STOPWATCH_NOT_SET, CLOCK_USER_INPUT, CLOCK_SET_TIME} clock_state_e;
 
@@ -22,10 +25,22 @@ int counter = 0;
 
 uint8_t flags;
 
+ISR (TIMER1_OVF_vect)    // Timer1 ISR
+{
+	//counter++;
+	TCNT1 = 63974;
+}
+
 int main(void)
 {
 	DDRD = 0x00;
 	
+	TCNT1 = 63974;   // for 1 sec at 16 MHz
+
+	TCCR1A = 0x00;
+	TCCR1B = (1<<CS10) | (1<<CS12);;  // Timer mode with 1024 prescaler
+	TIMSK = (1 << TOIE1) ;   // Enable timer1 overflow interrupt(TOIE1)
+	sei(); // Enable global interrupts by setting global interrupt enable bit in SREG
 	
 	
     /* Replace with your application code */
@@ -49,19 +64,19 @@ int main(void)
 				
 				lcd_write_text(0,0,t1);
 				
-				if(((PIND & 0x03) == 3) != (flags & 1<<butt1)){
-					
-					if((PIND & 0x03) == 3){
-						flags |= 1<<butt1;
-						counter++;
-					}
-					else{
-						flags &= ~(1<<butt1);
-					}	
+
+				if(button_clicked(butt1)){
+					counter++;
 				}
+				else if(button_clicked(butt2)){
+					counter += 2;
+				}
+				else if(button_clicked(butt3)){
+					counter += 3;
+				}
+
 				
-				
-					t1[0] = counter + 48;
+				t1[0] = counter + 48;
 				
 			break;
 		}
@@ -78,10 +93,29 @@ void lcd_write_text(int row, int col, uint8_t text[16])
 			row = line2;
 			break;
 	}
-	int i=0;
-	while(text[i] != 0x5F){
-		lcd_write(row, text[i], 0+i);
-		i++;
+	for(int i=0;i<=15;i++){
+		if(text[i] != 0x5F){
+			lcd_write(row, text[i], 0+i);
+		}
 	}
 }
 
+int button_clicked(int button)
+{
+	if(((PIND & 0x03) == button+1) != ((flags & (1<<button))>0)){
+		//if the pin is not equal to the stored state -> was pressed or released
+		//check is the button has been pressed or released
+		if((PIND & 0x03) == button+1){
+			//button is high -> pressed
+			flags |= (1<<button);
+			return(1);
+		}
+		else{
+			//button is low -> released
+			flags &= ~(1<<button);
+			return(0);
+		}
+	}
+	return(0);
+}
+