From 40d0605218934759ee03c4db6264f5e646f89328 Mon Sep 17 00:00:00 2001
From: Edward Emelianov <edward.emelianoff@gmail.com>
Date: Tue, 4 Aug 2026 19:35:32 +0300
Subject: [PATCH] .

---
 G4:G431/CORDIC/commproto.cpp |   4 ++--
 G4:G431/CORDIC/cordic.bin    | Bin 12792 -> 14936 bytes
 G4:G431/CORDIC/hardware.c    |  18 +++++++++---------
 G4:G431/CORDIC/main.c        |   9 +++++++++
 G4:G431/CORDIC/test.c        |  16 +++++++++-------
 G4:G431/CORDIC/version.inc   |   2 +-
 6 files changed, 30 insertions(+), 19 deletions(-)

diff --git a/G4:G431/CORDIC/commproto.cpp b/G4:G431/CORDIC/commproto.cpp
index 1337253..6d071fa 100644
--- a/G4:G431/CORDIC/commproto.cpp
+++ b/G4:G431/CORDIC/commproto.cpp
@@ -165,7 +165,7 @@ static errcodes_t cmd_testm(const char*, char *args){
         ok = false;
     }
     if(!ok) return ERR_BADVAL;
-    SEND("TIME=");
+    SEND("TIMEus=");
     SEND(u2str(elapsed));
     SEND("\n");
     return ERR_AMOUNT;
@@ -193,7 +193,7 @@ static errcodes_t cmd_testc(const char*, char *args){
         ok = false;
     }
     if(!ok) return ERR_BADVAL;
-    SEND("TIME=");
+    SEND("TIMEus=");
     SEND(u2str(elapsed));
     SEND("\n");
     return ERR_AMOUNT;
diff --git a/G4:G431/CORDIC/cordic.bin b/G4:G431/CORDIC/cordic.bin
index 9f5d601d362b988c359275717bb6e259f9c225cb..eea0d9593609161a04084af87ced79b6215347d9 100755
GIT binary patch
delta 8165
zcmbtZ4|G#in!oQQZPT>$|KFsPwgEu`S}6!6I+oHCXdWKWqOug7mxA!p6{W&BX`aWI
z9Z<$~XBN#kD(qRD(Vf*@SDaSXN@VNmy12V~rlso{XsAXVkGiw%L_yQ$N#Fjy_mVV4
zX4i8z=iI#ezWd$#efRr!zx%z(?PvB`Sdi8ISv|9a{`s2aiZ6#*KEca(ZM$oj<$1JA
z@fm)X!oI`1@~wqZldiuEk<?h`lL*s~V5#S&{Y?B+U!TMZW^?^$@%)<E2nJee;YW+>
zl+<|UGlfO4%s#ybUuMU$g(G)mdDg}(rqGVT^Bez?4YI+L?%OBL@}709h;IqLy#FP3
z?BF<O{p~mxcx8eGE=-&Xd@)g!;35TrEE06kfGP&~j5P^9I-VQYHE}R-apKcJ<;0=Y
zRqp(i>7@t%peZ+?4T7nS1`)p~OF6)s1pd+S?7*psgWa)-oq?Aoc3CrK>iFy!8_W{y
z5_77fDV7zT=RuYau8-5s?Ed{R&J^imPV<l!e^}!MuEDm44F*p>%UE6T_<`ikp1>YH
z7_aF*HE~7Y)VL||TeQrb@?#rg4|J&5t0}ctW2^5K3aY5Z-_{C*n;LA2_{6x$s>OF{
zyxS^l#lQ=iMK~gb#Q{l+|5S@jwCH;&f)s)$*<hrwy@j!0lHvb9Gm62@kHF2Q23wMu
z`ZO~;GniTb9htdQ=azFB`qpK@zxTm-aiBV?#odZlC~VdVbCAL()4V%Rm%?H#7gA8g
zNk}1ICrsKU%OK6Bq`}zh3aO5yGNT$I_tnJfNm3hQ%p{8`Wz06mo5vJFK03ZCZK2lp
zRzN>b=-OSD)GinJUev&A%)nck##@}mTb#sOl!3P(jn|OIt4QM2DH(`!(}=b-A|L%=
zyjmAk-*lz0B`v9&AgNMaQa_(APTPxr`X$&4ncS|4g_lU`?N-?D8rD+dW(@uL``Q@`
zv?)`3`6jmM&2=eJUS5pcnU!!*5+zymY$1Mc?Ax-rD!mnFdMlTc%@s--(UC?>3nxQ1
zwP`$i8qbi;T$s^<=_=v2v~2$6BJVEKWs^Hyl9tWyFOn}E9WM+lgcXsDeh3*UGv@Td
zTMJi`NN&j=Ya#L6l7IV}zxhw81Mh26(y6-lnj4J3V{$i(YR?l>IgQMjH|ml``|{h>
zUQ?{lWOkKsr~C5SZ1?3x37*qVSO#qWBy+IAjKHLfvnczJMT5tGgup`4jC1vW5mdMl
z&QTb(dg#4FEUe!c(;Bt-8(NmY8V-wQAqTr<jw-h$85fG8SOcNijQGYinLMT9Oh|r?
z0vE>egd@AH2;00Vbf*!vErP<ZP&Qofa95T9BFjd*W+qZBXJ&?Y&W;h`tzBk{h8asE
zj3&oT7@swghIe*Xxo1MSj<0XlA!Id-D#-(+Ua0rj#Cc$Wb&ZO1i5Sf7(Av3x<~Zb@
zT!*X2)tlqw&$@aoE>};W*VTK3@d?xUYIlx9?Xfz-Jz;%3jPY<!qBooz$11IPYdgB~
zAelVRFIAJ{NN$x|i?7qP_zyIN4W>k>@7BWBYaeLmHSPC*zX@U+xv{J0(D6s0nxA6&
zPdtuTa4$qVpNrA~@-Seg7~9L7rXg<mL&9IRo<Dm4u>GF37lKVQcnaZNU`@aq=9b^D
z;{~9MUe8)37VHS!*$V`}$8q8H?K6}137tOEh2VB$@q6@1yM=o^qvD?eyBm7UWMwCj
zFjxVJ9Xj@%fb9S)(d}zvW>cwnJA7dq=9x?(aVz?c3rdILh&7sS15#N>NW4WDnS8Qw
zGf+6w8|bC>xlxCkU^vDOHemTL&w8+fcG~IQ(48AVN`Q2tAk!{%O6#e=y+d@P?})W@
zv=O@<9bzlq*CfYoz?|<X7!WaOrEs0+&B-6vU56)`krw~M^u`MxHnP|!)68*ja$zHL
zxVo4_^)g4;%VM8tCO26GF-3<pKXmna7CWX9#5lhBp(TL)O5<WLPWrvFk2$SFy}m{3
zxmYZ*%Im^AKeWoHu-N0;e8DEUx<_pNUnP_|BlW^IpTi8%^B=D@#ac{r+e_Cz;<bZY
zSC>t&Ln*9-Ih%%_08^=4!8*k0OqPP=ZWxwtx)Atb?;QNA-oO2nY-?I8WNZ&>DZPbp
ztPY-4$6B(KO{{Jc`R8=K_1Pw7c@6EYYGxsyMe?=&ZM+j9=6rCd5^Soz5!)iC^0jgd
z7Cf!RZ<?MIivbS<9!5kUNfm$zr$+yav;m35-b$F<Rc;om*Q|imYLkG4lQ5-H%LcGa
zyY*8xNJP(o;Adztv`Ms?G;36nr6bbe)~tvu8T}DkPE?k*>hRMxS&B%dZJ7z1ah6a}
zgRqAYU7BoBKMwTwpgiW}hMA*8!2<UC4Gj{474HZ!`v~m~ZIY(qO_i$L#+e^{`Jf&r
z^W5qlSvm~T5wK(|z7lhfNV0bZUO7e(mp30HP_eJH&F)Y554Uo|E?-^L<>Q(Z7tlMU
z)xN{6;}Pb-WS=S;=qh%TLRY2SsEWX<f}x0%0Lk$Pv0LS?NvEg5<9`9xCdF69fS$H&
z*CxBvZeyRjqls>?)yjb(wM&J}R4@jWDP1SJ)ovP4yTj<GkitN+gV1AO;zW0~dqCo2
zb5&#9IhyDWW6r{{aQ6vms7jTpC4!9DY;HbgRaME-l#l{lE|6Efu5Pj#TN|Dt_2uqP
zFp?cH`bwvC+D1ccQ0=y3k2Lj!SN4XxAsHVD&DMseNd2(Sn40QC=NMswVMO>w{U8b+
ze<&>jHLdjp(J=LgpiC!!j^tJorNnMz+N2~6p$w!m?I54T4b2CnS0zHdS@V0bARw}@
z%3YNtM)|K_BwJAZ)o!wxFQx}XBF2p}M-j+wtsx5-v614ANGGs!^C&4i0lBK8Dk*8h
z(ldKwF`ZA{UTbuF4Nj-*wG4(dn@z)9Q{?~gGA3)BABJ71Aib@YHgqf2{MhDFx?E%;
z=a|DC4Il`SCAhj}a7HE)0q1g8AZ-<L(kf1a`#|@r@CrUwmN3Sxqwo@F_k=WD6~NQ5
zhOC4t<wK<jZy1ISwL*<hS{t4s^%XU#Q+lEPX&Vi(K^coLftU}SJan8~F2#S!lNWtU
zr}Ln)ZMw2Pzes!I^lkkgidEu0vouTYbm-(vHk2Y)bBW+d5o8}w74jkaAH_fR4*}cU
zte%f;pCYJjA2*XFvEa)OrY(lDZRj5;2qer|Hw=Sw5vUOmB3Gd&3lU2g3y=1NrAS}3
z`(c*X*2yA$BeqCiLgH2@#Kxx4K2@^q2}?4u;rwV=^)qMIP-?ZMSdGG088&9zkY7QR
zefOPr-qAOyz<yahS#BSKVk)0Y1>J10VfWWLbIxG5O+>(s#V-saXVeumlSroGVl!}D
zI3s26LVd2fSCy}JE;y^o&CZ51vaj3|YR$&86i>^rDl03TS!Z3+Ju#&f;lWoP4fsmk
zM_4I#DSHz#5ZfAEh>98HM}}QefFc5RH52`wdg`g_OeRzuMzVL6!Nk2dxc8}nt3gW*
zG&}h-jd(ALs(}_o2e|=S2~Z9|qSFkdolfq|Z8YhA=ClvVKIFvT&l*WFs!A16*=Og#
zVnDs0ES(sg&E^}rlrG0=CYy-=#OK@$Vc8+9mCh;%ss9U>LDc0d0nx}GmCM*=<&sIv
zpjDeet40B_Yn;^}2BX0>BBcn}w~tgnqo!fmM=9Ct{hhl!xnvk?hWJ&H>?)#1M7zJy
zxoS8JHQN1tls1gs7N=4GAm7vsU25@qL@#=y^Q~<dCzZGcUQSc4c9xzsdMlj;XQ*e)
z=+tL$`V6N&gW>|6lP+>Tu^w-Be;4v&dbT==T59fInycWI$j#9wTcgd=0C+xvtR^9a
z0q1l$IZ*P>4<Ba7as<1S<1wlHmpMXdn;Ewq6CfGa47k{woz?97=kLDGh$T?6*npd2
z6kb+Fj$QJUt=(d6Q*JIOZs)MjVH?Uwiw7olp{i4$Uonr4&%qV(R3P7jqXQoC<~R$;
zV3*vm|Eqv<CPH@r<M!})`R?NJ*Z#>A{CSl?#fSkgFhh7A2tSLON~!RS%9lp+OF+?d
z9@*2xA!W5evhX{RjAW2xgZtmNuMHlkWpr7cO|S+8?*hSMonU8P>z746X_85bc{)Xf
zu9%nG-TN7&{-pAiVJaHTCPEkQ)gV&xEh1bKmE??#<?Cef{s@&ZC4&qboK46$-6^6y
zxsFN?VG(6BT%c94I9ljYb+$*K6qiJo_$SxV{r=QA9|+^*BokD1HGLk@;wLAy_^C;X
zuZ9&F8)3&x?TUH57XNoW^ip~4_<Ux$vkX};YJsM98hb50w&Gi3FQ&&HZD5wMS@WJw
zkKKr|8_P4-d@MaSuArp)>sf;b(u42umojr-ddzFObWBQ*jbm&!Gh5SRyUnwiQMCAm
z^x&_vlFaD!Ta#Pup^C;l6W4%?_7~Y6s$+EKwoW>VX4NnTjRFQcX4Pu|R!HrNZ*qm_
z;Qtn3<Avb8TTx-i#>LevJg?UXNYdL%SX~WcN}YxAE!&Dx?&234P+YFZtuPD4<#~er
z?pnHHt}WduOIs~9@N!#QO}i}hsprrChggkzL0#8Yu~K*)SwN+57|WLn6`sRlg-*Uq
zC`Z3sr~<r9sK);sq3z2#yiLs0iygKu?Ee{UL7f(VNXx_jek~vWK`rIibZ?{U8C%7*
z)PT`NcoM_&@njah#f)b7c?BxRk-pS@kQ-u-+9>V4xV;$icp%}285@aSNwh#`G+(fK
zMir4<qeHX`Ee$r5U??3yc^#b2<SkiXU|TVRq)23Z3o&CP+J2F|gHmgRTRq)c7PUi0
zG7dGDw_5Og{dZVtwbUzBf{FR+Bz%H7%OmukHLS&dsiFQ$=yRg0;WQ&Qm$=$T_Z}CL
z?Es##NT~)bo;8$(Yo?5ArrCM=tSg;_)18quGDw9~Xt=Cj;$k0u1N#xDBszkg*DWk{
zfunB&ery=4Nu^4g1<{-0xrR)Ds`Jl$72IpouV%6vG8Q9^-VQOldc3-vto0&xbro*1
zoHP5}9a!)V%pbAkIxT0l_zDoE+Q}Bcwt&VKp%WK)SNEG(U-c$@x9GTv+$AFcH;u~O
zCJY#FxE}WYBr10!IXQQuu2<${u>(N?OKhuc2hm?3n0#ytdr$aer0ivwJ?*rPxq7L%
z=IYVn@^lNZewA?b`l4YR?c6z6?+*0ju2r<}?$WmYuYyY5ndMX(y4FM4e6_m?Q#L0C
z#1lX`+?qGMG>OW&uJVj*v*HT9Sl@RT>bQQ4&dIG>b96pdpgqandh{H$map1fhqbOk
zony66#?>}^i0U1Vu~j}T-lENmR_cz5dxKA*t5HI#XfMNr3Vni#V;89*vf-j6*?gU>
zUNX^_n1?b;>UOXNu1mTnI}j_V4|j&T%y@@?*Uh-LwVr5fnKC@Va;|v&bbMOT==A~J
zcFUu(q&T@T1!r|YvbN^}{gX-FElZ(Ra;U6m7JQ|&jeNu;q;h2<vIB%EFR%y^D$k(M
z#t&udA8yP^KhG#?!h480!)+BR3(|>h!q+V3%*HpLqZe~LrGC<6Dacq*h)hQVe0btp
zXvao^uKSKYw+?gpp?sYrtrf((c_>$3hr>E%;c0!H8IwltfVHx6zzHoFsw=PMYt>Lo
z`4UbI?Ji%ypPdT*tlVGnJ8W%eIkViqf>{=!Em;w&t$1Mj4`KCGjML)ZsDAI#=oRgg
zaJswFPz}(AXoC**rlI^des5)Tt`5C54b1{HKU%Frg*4O>(kiaxxv9|NN?UCsC@)7_
zh1P<$9*sELfG0TWs$8~1ol0@^uNfT0($Ig);OLVy^c_G`9F3--zX3GG(Qnew)9PcD
zi}(j8|5uJS>m2oOt-6*|h{Jz)ap2(dere7#cy7a3BLrTuq4dVA=wf&IT!*`6Zi!?Q
zi%`-0dZcgzA7u`QXkK1`_o<ONIKB4pRF<Sn&nTG>p1%j*JE!Ba$_6i@X2!7I%gxL}
zUk9mu2AT{-eVAhwzBgX{H1u5cRi%GD+2FvZO{+;f`QQ8_mXloU@zCehcK&B8LfN)P
z?(Y7TwqJ1BPlCVaR`kDbPh?wHUCS&7rW$S-SkeDcL$-;(zq$Xv7W}!1-_+cH-<9`r
zMSPpd9cpF6d)ApIIs4S7q0bgy7h3MzQ?z;a-s`~>vu^%@-sykZIgcy2rnzNV<Fad)
zHm+LQxZE0gcZt)4;n4XdS5|z3DxVn^R)$uCwgGMP^8RH@v(3ufkF;~I?ktE`-f`0l
zLl5op{O+T#4-8Cc3I_t^?{?;J=!j+5F;66Cej*~krLY57_s3|5(4Itl8tnzN0kqfA
USV@3wfdo^lNQ{MExn|A(00bQ7eE<Le

delta 6012
zcmbtY4OCNCwm$dXgoJ<)Kr{r@kboiq8$qo_Tf-$@AW_jlN35@}7wAuFtAh6NXgbpy
z|E51qXSA`M7F4WQi|w@jAY&Oz<8(SxU)xzPL6`w4L!SDY!I-?upM;-9-aZ$IU^{Eg
zyqC33?m7GHv-h{Zv+vm_X?xyZDn(YLN}qwGw#2L@+>iuG<7EGMYX{xV(C_Ob`1~_=
zCUm*K>%8d)ocxdj>==LW+~o8A{@-60F&*{csHB8RWx?u{FDySCrQ#;%r#>guuxx4{
zkGs67mQ<6~x4@#T9P}Z}MW5T!<C71^cWyhMY}%k!vdJcmv5<{1Bkkz*H@u|mw?3Dw
zELWBP+H*87C0~2O-dFI;cq5_Okf<n&;#jvkFvU!fo%iKh=*HM->V#TZb_uj*nEHKR
zS~jS$LnZswbvwwg1dk8c&-tFVeCBgmB&OLudDf?HWbcT~*PlX2g~Ca_buhpoIXod_
z?ghd9P!#L`i73|NDE<#YtRD}8`+r0+LB9+~ul;s{MPZcG5^qvg(v9)oV-c^JWr9tU
zZ4>}-N;aw^#uPnm$GW_73*I%AZvpIFjW+_mr<xCG=Y4w17*IXicPPu{4l(`JEzk_~
zPEw7jN9YQN>2B~{5n$!COog1-+2t+gZ~_UF>sxmMW=Jd<O5NeyJ`MRcNS7iYy4NSN
zM6u_<Io@Zy%Mq?(ScOte4s4ngA}gB6kJ}xOnf_&3VE2OBXpE`c*I1ax?RhSnmlAt~
ztlW@az!Tv`s=a=61)GzyUG6oeBFF|jLYg*rjn@c(zZ3wcwB`taB>;GfGkY4~M<xJA
zv32gOX)`#L&$uV~Tf!NO5;2KUERL<t-Q~>;G7{g?<y{;cJ<_@$$j=IA@-(BG33pxI
z`M}Rk_nZmM&+p5CxS-w~(A(-h=i~I2nMO<|h9L(SPY1C@1fg|#qbyq?_9)1MN#r3@
zW<xD&+z4Hz@6Q3GPhe2e^Z7$$?0U5R_qhmJ3^*qy^TE_U$N{mF8K8!QcrrNJ(pnmf
zSI-}@veP2|SBPYDVvYAP3x543K?zK{Ho-cSx=F~0jY39jp2&zRy}z<<Fx7Z}WLY<n
z7u@(6)#Y6m%y^wo0&yC^$lk`BX->0^HQpQxc8r~_?!A%O;a&;m9<gkO9Kqvjuz?Q;
zLzvr|5e#9KQ#Z}lA|U_;S61WAfW0{GUN~(Ur%4SMOA8u%uyx*qv5d=er|IIu6ho@<
zCW56GgbkbpP-hFT=;n$1`k5e?gM8K$ITyuRgb5i;L{FKBVt2rf<2S#?E3p*7{#p!E
z_jglx=lGEd1wyfF@hZH}o5CN<ey_z`2y@wZpGjk(naC_;%W{z&ujLz}3!>L#nY;W&
zF36^BkXPKcsCCh6(SYSS(Fl3t^avT_R8pP|)Yb^`NQ_1TZ-yTV%*(!?S^nMkl*M(2
zu<T#m?aX5NCh)78@l+hLzNIkX!{*J{?NQ!OKcgP++p&^wh%AU)n`Mq%2S?d9`5JjX
z_8=Z1OHPfDH#@?KpluEtKRw0xooU9gF&x>xzsBcS_s>Q58^&hoUU~VX>8)Y+OpjYW
zAwc$xTeVMu7VN?svxS>|$tf5GS|-p6Y+$3nNXdJEcibqEd5?|LmT|M*?}Nog!Dd;*
zM|bOfN-@MoWL*UFc5VT0%|Yr^7O5XCQJQI<Ajw}V*^75LLUu0qfEUTM<{5YEb|0k&
zoa3rWwrCqjep=Rq>|#^LGu0H?Dl$P@mXoFeK9Hd-fn8lrz!{HJVWz$3;?0DOsICej
zTSGzX(Q=|XK19?iF~(SOc!G-AMVd~iA7#mNI2RBig>{e<oN5f}w4<9`e2`w`kT)ng
zX|s)vzAiEoD?}bLTw@6D39KYsrK_cm<4la7ctDowcYe`BpfZEJ2`!B3L>dITgn=>;
z4-u||wA7Ih)Vl(DD$oPKy7BL_+~p0CYa)%Bmr$aUeYTOK_<$HL2#H^GiwHt<!+gT5
zsaVL6e3n1CLSmBS*CiG7Tg%R<kFss-mf|XQxsZ6mn*dQ<#FvW(nQ7ld{P7ZTONdDd
zky7U#^NU6TgI5ETzyS#y^uSw03Kx>}ZhsC0z4RDI&t@*$X>+sEtNchIVqRfp)H7zn
z+(e)DP$6~phnbJ*I{PB#5`Bhwn5nZbW#SB}jGiI*-oPcA=v=!xyrb4!V%8dJ*;-(Z
zgi*D!mQ7)r{^s9z#v>*Z%~FpT5&ZQ4)-&Cw$E{_$-TsESHKi}aG@|4b#@~b)Y3UBt
z*yzjl#BHxCtCd?7NXt8p_|tSS7lO36oe>2Qd4vX-+4T^!ALN0-Uj<MK^w@7ZLrtN^
zs>JqUePT_Cq9m%MTK!ac3Uj^KFEDozb|e9_224QyaQgIaJ{zUvJ0cmhka3{YSSF_v
z=L2JYhyIPdPx&>t?^P11B4%+X`4f^4psLHe=3Y}GEfi}~{d{WYF<@v8Q=x32RpvV2
z=o}+8(9A=?QE{Mw4(U{x-}6XGiAPEhd{N-0z}8LnCa@*C&LNHFc}y0+=Oz$$lfCQ4
zEa0)2;oXopOaBKF6hP*R!C-Dc#OUj170g=q7r*FG0gt4{yC0-VT}eu-L2OVsUNqNw
zLMf3prY$n>kA8GQ%`9XBgTDymB=k5?ipLokGzRd>Nj(qOuE)+^w!)s`r;u1WD4al1
zv@ynHqovJ6R<lygQ=~j!l%W6+gJY4#$Z0d843vmxZj8xH1^s2@@BOc+kR4yN?R`6c
ziTJdk@q|UHjf;^qPl8m!*o$18+=w)L{WTdWjXHQ9&men`tIBfa7sJ+24B1<wIyFK?
z$1&HWlxJT!(W4_zde)Gk3z45l?`eY!H%*@HfBNQ|Z>Y-nMv+VICsu`>S80da@f=mT
zpFvv0zhy0JAQ{pX4YLP@S)F#9vyiK#_%2kGLOW`EbfWbMH!et0liQIdj4f-LS&7mr
z9FMG%GbmXwTL3!ZBj-=`=pw|P1Jq|dp^+j_4i(zgK$C4g=hC!0?K^ocCyZs8vZlTC
z40hO2)+A<-I@EQc2R+U=$Aa_I5JcvA?CsVCNg79aJ`dsB>u4E!%aH=hY?WjN(ynk|
zr%^8PqS~HfQEa<7?JsSclNx%gkJoxc)HltPM;wdeMB1+f;Gt=?J=r1dHeJ#k_k&5d
z-4GN-YmYk%D>o&4cs>On$XqD3;5JQu+_6}TS4!>p5RT^rBt#nDegGiU0$v<D%hb39
z4szdl=bbnrpUg}6Z)7h|K+;etlH&19827~A8;8SqtrAJgC+0;k4u$c5OpHfwA^Vv)
zB%K4lL-G247`GEh%1s))1A=4ZJ%hJkTuj|F_$`b>MfVK0z&JK!+@LN$z1x}>X4df5
z-3QKvv0>)pgrqgiM7W3*lmppi<|D*V%Yytcb56fC6VD%`BrQpJo|{m3gBog`XH@0e
zw&(EHLfeyItp7@B7;Ac_NGxfM3z{-M^JDQ)%gp@Qrmw*a=<demY6wY-Jg6hMYmGF9
z<;Q?SS7{C}qGH&CpiNN+S*QPP9WF_~gQwHay{$VYiEbfGVJ`gRa4ZmsP#Mz4Y(j8O
zk$NaXfFG8q4oUp27mOE7hqqr?Q=gaJZ!JIkWSlvXcM);y7PG1pdc|9ym&ofkWb@Vy
z<9#fPGiUQGXf^v^(TP<WUSIk-^c=!3j(52{&9m<sPp*w+PmE9$94M@VE#MDjSBE0i
zdX`vm)F@-?d#qeRzpunt653qAyVP&z7Z&rHJ${W&qB&F?Q~YyN)pndrRZrqK9?Cb3
zlHuT5yis+i#90!{Rz3H6!RvWle$`2u7n4;_D0k5PR$BR#=Gj+`95qm!b8>{zyljjQ
zzXq;VrG;$O{3{w8J662UR9RA|`h;Cktk8VvN6X{jTeRHJI|Jy9DhUi0kN(6&zNvz0
zSJ012l<W)Zpd$Q8$$rQXZ$bsxhtxT%AGBobx@=c(I|)Z{tw%~#D;k+E`}7igCWP%d
z!i^UdG1BUJ(H=sxEpNP>jE$g_E4@Qj>*}kp81)boUVPPFtsvmsM<i&e^nD&{VDSA>
z`T5=EKl<ev8%=-qhg&<%e;Ba-TZ2a`&a;c5htgL#xODPc%?n7o%pvLtM`2eFLS@NT
zZiULi(Q^yWC%#1RfpD}?&+GOyD+!IJV!vN;<pWxLeJmaIMejkW%Fb9u3;=SBl&yZi
z%8^h^P;Z-6pO*^f`>D|bG*ylG0V_%ocj^s+6r%mafVGTgpYF>JjpND4$A@1X(DP@l
zw<V~j&f3x~dO3IXW&2HYEeA&5_edoH1$v;=p?OKTjsO=mRzkBdPg4;Xv<OVRB`|T*
z3`~fjnu)L4y$Yl`Mr$hceXm-%^g272EUX4%S2+nye7+J^V{pwQ2j~SAOPxy%v+`%>
z9q`ZGh4`Njr@G)81_{qWCDtP-HrBC3*|oJLa`?w5FVGd}3j{nLA}A2JPN%><?+^7S
z599k@629~O7joeOf{PTs0l}X{s!vFyY79qG>G{Cm&e7dwqN-Y1KQPRNU%T#~sZ)wN
za>#xwN%49rCg&@^LI)bQ>wY<>s}@DIUhYAWg^t~3(grm>?B;i{yX$wG|Lm8mtCgYJ
zRd*xKM!T_&6zhQD6fJkx`Ef>GU@&VGvLWoN?{v^#GFs?<0G_(hHSXjJfejLA8-b0N
z9?(>%D=v0&$=lsm2dum1=TUD22EQ7is<^#0*FXR4dmd7%&QHuk$uu*-1_ql(tgA)N
zOhw0wGOg5}T#iz>!T7U*lvQ_Q&&Imrz{%Li`|eBwp6B{Q&cZFCoOA~UJBG)%aBE|Y
zH}pk9)6z|n3z_|1(Tkc2f>(|tR}c&Cen&FR-y!?iK4eAnfP4HoqD9h5Xe=~LC#H2j
z^lkoxxn$9(O))2pXtJ%IlT0R!+Mb(J8Et?fUYUlZ3F%1cfM-jZ?e3hHo_J`Of^tj2
zMZ+*!S)A^gpYJyl{Gy;V8>DKNT99gj(nml#+cig!DuU7#APslL3DOxs>GDyVV_piG
zIbs{0r<~gcuD^xmg7!CPJTwfgAD#dyYhFfa)6gU&e&imc3qh$Dq?3@|4@z%?bQ03h
zpwtc0Nl1r-(p$FwoVSp?H2e=Bs?Sg@BNQ0nM<0Lk@|jBWj9Pe(0@@|Oxb05jqL{b*
zY7Ok3jAEPakO!qr1pm4%T^&y@Nw*o*I^wDN7uD|)A<KdHy!3i?(r}2Z4f^|s)T@fp
z>*s4jC^BJj{h~#$Q6#Uc|Lx*kgl%Q!N;zqu7#oe8Wx14}h#zv>Dl^OKM>FGzh-LZ=
zUB<F>-STwZ5*e~3FV)(LmL|<Q1-t)iXrDs+0$M+`QEmMjOG89l?7Uy>`10u6Gm4s-
zJ*&I+-~Qb)-3MO`1vmmSDfUlWB?NQ~_-73%Bv<guKz(0^qAe&5;@3f24owd&586g(
UEHpE;BH(7yh#4W<?5ynn1&nM9$N&HU

diff --git a/G4:G431/CORDIC/hardware.c b/G4:G431/CORDIC/hardware.c
index 50b2a2b..3d3edd1 100644
--- a/G4:G431/CORDIC/hardware.c
+++ b/G4:G431/CORDIC/hardware.c
@@ -28,24 +28,24 @@ void sys_tick_handler(){
 }
 
 static void timer_setup(){
-    RCC->APB1ENR1 |= RCC_APB1ENR1_TIM2EN;
+    RCC->APB1ENR1 |= RCC_APB1ENR1_TIM3EN;
     __DSB();
-    TIM2->PSC = 84;             // 85 MHz / 85 = 1 MHz
-    TIM2->ARR = 0xFFFFFFFF;     // 32-bit auto-reload (maximum)
-    TIM2->CR1 = 0;              // disable counter
+    TIM3->CR1 = 0;              // disable counter
+    TIM3->PSC = 84;             // 85 MHz / 85 = 1 MHz
+    TIM3->ARR = 0xFFFFFFFF;     // 32-bit auto-reload (maximum)
 }
 
 void timer_start(){
-    TIM2->CNT = 0;
-    TIM2->CR1 |= TIM_CR1_CEN;
+    TIM3->CNT = 0;
+    TIM3->CR1 = TIM_CR1_CEN;
 }
 
 void timer_stop(){
-    TIM2->CR1 = 0;
+    TIM3->CR1 = 0;
 }
 
 uint32_t timer_read(){
-    return TIM2->CNT;
+    return TIM3->CNT;
 }
 
 void gpio_setup(){
@@ -62,7 +62,7 @@ void gpio_setup(){
     // count milliseconds
     SysTick_Config(SysFreq / 1000);
 
-    // Setup TIM2 for microsecond counting
+    // Setup TIM3 for microsecond counting
     timer_setup();
 }
 
diff --git a/G4:G431/CORDIC/main.c b/G4:G431/CORDIC/main.c
index 3fed459..9edc614 100644
--- a/G4:G431/CORDIC/main.c
+++ b/G4:G431/CORDIC/main.c
@@ -21,6 +21,7 @@
 
 #include "commproto.h"
 #include "hardware.h"
+#include "strfunc.h"
 #include "usart.h"
 
 // 40ms for debouncing
@@ -33,6 +34,7 @@ int main(void){
     usart_setup(115200);
     bool pressed = false;
     uint32_t Tblink = 0, Tkey = 0; // blink and key pressed time
+    uint32_t Tpressed = 0;
     while(1){
         USART_flags_t f = usart_process();
         if(f.rxovrfl) usart_sendstr("Rx buffer overflow!\n");
@@ -50,12 +52,19 @@ int main(void){
             if(!pressed){ // new event
                 pressed = true;
                 usart_sendstr("Key pressed\n");
+                timer_start();
+                Tpressed = Tms;
             }
             Tkey = Tms;
         }else{ // key released
             if(pressed && (Tms - Tkey) > TDEBOUNCE){ // wait for debounce
+                timer_stop();
+                uint32_t micros = timer_read();
+                uint32_t millis = Tms - Tpressed;
                 pressed = false;
                 usart_sendstr("Key released\n");
+                usart_sendstr("Tms="); usart_sendstr(u2str(millis));
+                usart_sendstr("\nTus="); usart_sendstr(u2str(micros)); usart_sendstr("\n");
             }
         }
     }
diff --git a/G4:G431/CORDIC/test.c b/G4:G431/CORDIC/test.c
index 59b1412..aae3602 100644
--- a/G4:G431/CORDIC/test.c
+++ b/G4:G431/CORDIC/test.c
@@ -27,6 +27,9 @@
 // amount of iterations over test
 #define N_TESTS     1000
 
+static float arr[N_TESTS];
+
+
 // RNG
 static uint32_t rand_state = 123456789;
 static uint32_t next_rand(void){
@@ -35,35 +38,34 @@ static uint32_t next_rand(void){
 }
 
 // fill array with random angles
-static void fill_random_sin_cos(float *arr){
+static void fill_random_sin_cos(){
     for(int i = 0; i < N_TESTS; ++i){
         // angle from -pi to +pi
         arr[i] = (float)(next_rand() % 62831853) / 10000000.0f - 3.14159265f;
     }
 }
 
-static void fill_random_atan(float *arr){
+static void fill_random_atan(){
     for(int i = 0; i < N_TESTS; ++i){
         arr[i] = (float)(next_rand() % 2000000) / 1e6f - 1e6f; // [-1,1]
     }
 }
 
-static void fill_random_sqrt(float *arr){
+static void fill_random_sqrt(){
     for(int i = 0; i < N_TESTS; ++i){
         arr[i] = (float)(next_rand() % 10000) / 100.0f; // [0,100]
     }
 }
 
-static void fill_random_log(float *arr){
+static void fill_random_log(){
     for(int i = 0; i < N_TESTS; ++i){
         arr[i] = (float)(next_rand() % 10000 + 1) / 100.0f; // [0.01, 100]
     }
 }
 
 // main test template
-static uint32_t run_test(void (*gen)(float*), float (*func)(float)){
-    float arr[N_TESTS];
-    gen(arr);
+static uint32_t run_test(void (*gen)(), float (*func)(float)){
+    gen();
     volatile float result = 0.0f; // don't let gcc to optimize this cycle
     timer_start();
     for(int i = 0; i < N_TESTS; ++i){
diff --git a/G4:G431/CORDIC/version.inc b/G4:G431/CORDIC/version.inc
index 4841fb4..d8c9689 100644
--- a/G4:G431/CORDIC/version.inc
+++ b/G4:G431/CORDIC/version.inc
@@ -1,2 +1,2 @@
-#define BUILD_NUMBER "6"
+#define BUILD_NUMBER "19"
 #define BUILD_DATE "2026-08-04"