From 92349997e45cfc55f4e5cc6ce5360438eb481fac Mon Sep 17 00:00:00 2001 From: Mihai Tudor Panu Date: Mon, 31 Oct 2016 13:23:47 -0700 Subject: [PATCH] docs: added 1-Wire section to known limitations list Signed-off-by: Mihai Tudor Panu --- docs/images/1wire.png | Bin 0 -> 3560 bytes docs/knownlimitations.md | 12 ++++++++++++ 2 files changed, 12 insertions(+) create mode 100644 docs/images/1wire.png diff --git a/docs/images/1wire.png b/docs/images/1wire.png new file mode 100644 index 0000000000000000000000000000000000000000..d8b43df1a32a1c7f96cc81d07f78973860f24342 GIT binary patch literal 3560 zcmds4Ydn-`|DTaT-Hxr?Hf3V7t7s@TMGhlGjyZ(YZH5$Eq8P?;948`;mdF-HS{+y> zBZnDGP9f_s(m|O)#2Ac>90xtO-53A=^LgGqFP|6peSfdtb^T7){ky)u&vnDe;grmd z-8&Engp7@~g);(ygkan%B?iCgUoQ;9A7rTWDRV@5&z>oGAnuQ~$088VD8RZ83LbC2 zYV8?{Kq%kadXP3@N!hTaSQ`thYlQbK$23sIZO@B&=gs{)A7>znc3A9^cqqNA@~*mE z$4=X$X|0(u=}iP_->F2yiv*?Q*5BCY2Q=Is-TYqfVn-&sxc%mr=;eZ5mgxLsVBs)& zg(Sfzn&5_r%Zcfj6pEvxBjwhurKP2wo}QuC z0VSy}*gOB794D-9XYz=xkUM3}N>!+y^kh9J{ntnxuX{X&7;ri;r zheaI&g?_-qDNqbD`{>u{?-QT_gy3j&`k2J74HC}eY%TJ`NwCjQ<@&FxWp2!UXf*7d zL-jqjM|JPsy1(a4=zL}yD^C}#e*VbF&% zz3clh8MD%)_=5(aNv=fsKoLOFZL{7EeMvfCb()umwma->4zAv$x6j9?JShz>cA)-m5Q>2X7QNzmCz?MKn@N2a~yCEj28aWX2(O_S3^Eo~%f zFJ_1reO^YUGpON}6vu(<60oXPc$2=*Rg-U(kJa2$e%YA#rIR)3M9#h&igOBGn^_!{ zC|97na1oHydycnNPU7J=5l4j`5h}T>=u;TYF5ntn`8ktMQx5B(srj1hukV zOuVU>-Op>9RHjp4!g1vb@m65-FViICd-<)b&2Ijk=wa9w8`YYMNwx&#e_+VxjM56P0(J z>G;k*;{*}B!!QTlaoVdyRMTm0Ns;@^Qi1|*!3ny9W&8QM6~J>#8qYiw&P)Wm75&1!NI{I;80o(aJDL}52~$^f^9hb__pBdM1g6X!29O& zHZDr5+3-E4K4SiXje<6VW@7X)C_clc7|1D48Zsa)bBMxf_l4P-VUtKWLGVrAkCc`t>s z7&Q)uBa_ndV;B{fE(S;z9P+Vr{2e9dEW}|p1p5yrhQ-Dn z3Xag?0=-=`C`ZS$`6!mVKE zq2@R_DE?x}`%TA9tW&aeA1c7^urvdaao{=@q#kb5<%#K+C`&-`FBN-iRD6*eueOK7=>HDLiCv)O-t)>&thRArbiV*)?gOa`-`mK2zp;^F*w}qx&uV3nR4)rm@Fy-E@1%R98l9Gq^^Y#2Z@`pWqibTxWwQTHKfx=Q={2PaB*MN&eY zpBR{kd2EigS~Eb}{#+-pAM8 z{)5lHGCR=s{O2|{Pl8J9h2JwuT;_V5yT_GqzOFT?gH~Y!flkD}?qWC~<0+THtX0); zOAx0EeWt$&DzCM4e;MegCfOyiMs3r_u9}yB0g*K$Wy3RN16dlB)$soM*CG@STSscDKTkApAxhhncsVM zYUas|26>ku^f~JJM|aOREl+>aO6jStr8JN?CfpJ*FSbg;SDAp^?IN9oF*~2;^KS)q zw0pB_#K_1!-4o{yN7@-uX%!}-m#WFoaisK{A@eS&Ry z#&w}>WMRuFZPXF*^@k7YTU{Y~V{P%L!Wi{;8H@An=x?i&g@U@fdsJ0FkbkPKt}ZZ% zWekuT)oz1Zo^GAfTJ`PfR9f{IT}o}4V}08kO+ho34Hg&Q;Uw!XTR(ug=|u=>ZR%0r zjXSfmvvtPm`?P4gQS&@@G2Ao5g_=cMKD$==r4^ML*Z;5qKj|b|g0%Y%kIq*Je_Q58 zJ7P+#*Vm>iyu7>w`3L0CChMD`IgW#BC%7?^BsVVeHLBsg$<;T%Eo;x^V5kS`e4p0v zw&I|eZt~!e9u<=K-21|n`LWVct(p|v*!&8Q7Xb4-*J>T+ACDfGi|GEn`^5*%LmO8< z0d)e7>b2VX`hmD#)%W|e)`jWOhMBH>Gmuu*>8DPVoNE-7pEC^cZ)CC1UW(c_EtBxB zvQMEquOx2V9V?JJv}xFfD&x(5tO=P~-&h_F+M`uhdoniMLwjOt!n*u?9l?2Z+fqQA zrz9hO7n`iqcJ?3ew$0@qAamf&=*)~=$p<=#EtLG`ONZdY=nyt1Ej_nW3h-nJOtQanNF?|LC zJ|F)N>Osns_7G2Tg)fuYC$mDaV5S}vAsoMP?mKKpuBvRxfZ8zzqMLxlq&hsxiv6~9 zIt`y?u{Sa6HM}wu;w?sn&*W9b8@9r60z;^DL-A7})snphEMPFO1z>`=d*#c%DRih78>Y6f464_%eR9Q~sVD{zOfn}Y3{ZoW-ne*RS72m!Wu+GwmWYL&R zQ9C-Wc8(B0xp#SePGe~ja26MYCD^Ak07ayfdOyZVd>@s^FjI&hQRj4iNo_uo#D{4rRAv+xX1M)$ifk O8N$ZW!J^z8pZG5lyTn2O literal 0 HcmV?d00001 diff --git a/docs/knownlimitations.md b/docs/knownlimitations.md index 7d94f358..5f55ac89 100644 --- a/docs/knownlimitations.md +++ b/docs/knownlimitations.md @@ -61,6 +61,18 @@ such sensors and known workarounds if they exist. * **Adafruit Motor Shield** (1438) is not detected on the I2C bus when connected to the Intel Edison with an Arduino breakout. +#### One Wire Sensors + +Please note that our 1-Wire protocol implementation is only compatible with +Dallas 1-Wire devices and uses both the RX and TX pins of a UART bus for +communication. It will also require the following external circuit: + +![1-Wire Circuit Diagram](images/1wire.png) + +The principle of operation is discussed [here] +(https://www.maximintegrated.com/en/app-notes/index.mvp/id/214). +This affects the **DS18B20**, **DS2413** and **DFREC** drivers. + #### Other Sensors * **MLX90614** is not compatible with the Intel Galileo due to the inability