2017.01.28 MicroZedとSDSoCでオシロスコープを作る

SDSoCでLinuxアプリの拡張モジュールを書く話
SDSoC勉強会

Transcript

1. MicroZedͱ SDSoCͰ
 ΦγϩείʔϓΛ࡞Δ ෭୊: SDSoCͰLinuxΞϓϦͷ
 ɹɹɹ֦ுϞδϡʔϧΛॻ͘ @muo_jp 2017/01/28 SDSoCษڧձ
2. ࣗݾ঺հ(@muo_jp) ຊۀ: ϞόΠϧήʔϜͷձࣾͰιϑτ΢ΣΞ։ൃ FPGA͸झຯར༻ 2016೥຤ͷίϛέͰ͸ΦϦδφϧͷήʔϜ&΢Υoν ෩ήʔϜػ։ൃʹࢀՃ ͤͬͤͱҰൠྲྀ௨ͷগͳ͍νοϓͷϒϨʔΫΞ΢τ ϘʔυΛ࡞ͬͯ͸খن໛ͳճ࿏Λ૊ΜͩΓͯ͠·͢
3. ιϑτ΢ΣΞܥͷݪߘॻ͖ ׂͱೖ໳޲͚ͷࡶࢽʹͪΐ͍
 ͪΐ͍ͱهࣄΛॻ͍͍ͯ·͢ ௚ۙ͸.NET CoreͷهࣄΛ
 ॻ͖·ͨ͠
4. ࣗݾ঺հ(@muo_jp) ࠷ۙ࡞ͬͨ΋ͷ microUSBέʔϒϧΛ௚઀ૠͤΔ҆ՁͳίωΫλ microUSBΛిݯͱͯ͠࢖͏༻ͷ΋ͷ microUSBίωΫλΛ΄ͲΑ͘2.54mmϐονʹม׵͢Δ ط੡඼: http://akizukidenshi.com/catalog/g/gK-10972/ (130ԁ͙Β͍͢Δ) 10ԁ͙Β͍Ͱ࡞Γ͍ͨ 8pinoͱ͍͏Arduinoޓ׵ػ͔ΒͷΠϯεύΠΞ඼
8. ࡞͍ͬͯΔ΋ͷ: Φγϩείʔϓ
9. Φγϩείʔϓͷཁ݅ ͍ΘΏΔϙʔλϒϧΦγϩ http://akizukidenshi.com/catalog/g/gM-09281/ Πϝʔδతʹ͸ळ݄ͰചΒΕ͍ͯΔDSO Nano v3ʹ͍ۙ 5VϞόΠϧόοςϦʔͰಈ࡞͢Δ HDMIग़ྗͷϞχλ(5Vۦಈ)Λ͚ͬͭͯ͘ɺUSB͔ΒిݯΛҾͬுͬͯ࢖͏ MicroZedΛϝΠϯϘʔυͱ͢Δ Ұ୴ɺΞφϩάଳҬ1MHzͰ10Mspsఔ౓औಘͰ͖Δঢ়ଶΛ໨ࢦ͢
10. MicroZedΛ ϝΠϯϘʔυʹ͢Δ? MicroZedΛબΜͩཧ༝ ͳΜ͔৭ʑແ͍ঢ়ଶ͔Β࡞Γ͔ͨͬͨ ϝϞϦ͕ZedboardΑΓ΋ଟ͘ɺ1GBࡌͬͯΔͷͰ׆͔͍ͨ͠ 2013೥ͷ8݄ʹ஫จͯ͠10݄ೖखɺͦΕ͔Βࡉ͔ͳ࣮ݧʹ͸࢖ͬ ͍͚ͯͨΕͲ ͦΖͦΖϑϧηοτ࢖͍౗ͨ͠΋ͷΛ࡞ͬͯΈ͍ͨ ࢖͍౗ͨ͠Β҆৺ͯ͠MPSoC࣌୅ͷධՁϘʔυΛങ͑Δؾ͕͢Δ
11. Ϟχλ ׬੒૝૾ਤ ADC֦ுϘʔυ ৴߸ݯ⚡ MicroZed
12. ਐߦ্ͷറΓ ެࣜൢചͷ֦ுΧʔυ͸ങΘͣʹࣗ࡞Ͱ৐Γ੾Δ PLଆʹҾ͖͜΋Βͣɺ͔ͤͬ͘ZynqͳΜ͔ͩΒɺ LinuxଆʹޙஈͷϦονͳ΋ͷ͕ἧ͍ͬͯΔͳΒͳΔ ΂ͦ͘ΕΒΛ࢖͍͍ͨ
13. MicroZedͰΦγϩείʔϓɺ ΞʔΩςΫνϟΛߟ͑Δ
14. ׬੒Πϝʔδ͔Βॱʹ
 ۷͍ͬͯ͘ ೾ܗදࣔͱΠϯλϑΣʔε ిѹ৘ใͷιϑτ΢ΣΞతͳऔಘ Ξφϩά෦෼͔ΒಡΈऔͬͨిѹΛSDSoCଆϞ δϡʔϧ΁Ҿ͖౉͢ ADC(ిѹͷಡΈग़͠)
15. ೾ܗදࣔͱΠϯλϑΣʔε Sigrok+PulseView(Qtϕʔε)Λར༻͢Δ
16. ిѹ৘ใͷιϑτ΢ΣΞత ͳऔಘ Sigrok༻ͷυϥΠόΛॻ͍ͯϝΠϯϝϞϦ্ʹஔ͔Ε ͨ࠷৽σʔλΛಡΈऔΔ Sigrok༻υϥΠό͸SDSoCͰ࡞ΒΕͨڞ༗ϥΠϒϥ ϦΛհͯ͠PLͱͷ௨৴Λ͓͜ͳ͏ ͕͜͜ࠓ೔ͷຊ୊
17. Ξφϩά෦෼͔ΒಡΈऔͬͨిѹ ΛSDSoCଆϞδϡʔϧ΁Ҿ͖౉͢ AXI4-Lite + AXI4-Stream ࠓճ͸Ұ୴10Mspsఔ౓ಡΈऔΕΕ͹ok τϦΨʔઃఆ΍Ϩϯδ੾Γସ͑ɺ৴߸Ωϟϓνϟͷ ։࢝/ఀࢭ͸AXI4-Liteܦ༝Ͱ͓͜ͳ͏ ADC͔ΒಡΈऔͬͨ஋ΛAXI4-StreamʹแΜͰSDSoC ଆϞδϡʔϧ΁ྲྀ͢·Ͱ͸Verilog HDLͰߏங͢Δ
18. ADC(ిѹͷಡΈग़͠) ಺෦ADC(XADC)ͰؤுΔ? 5-6bit͸·͋ग़ΔͬΆ͍ ֎෦ADCΛ࢖͏? SPIͰಡΈग़ͤΔADC AD7665ͱ͔(͕͢͞ʹ஗͍)ɺAD7671ͱ͔΋ΞϦͦ͏ AD9283(80Msps, 8bit ADC)Λ࢖͏ ← ࠓճ͸͜ΕͰ
19. ݱঢ়
20. Sigrok༻υϥΠό http://sigrok.org/ ͜ΕͷϘʔυ֦ுυϥΠόΛॻ͘ https://github.com/anatol/libsigrok/blob/master/include/ libsigrok/libsigrok.h#L994-L1062 ݱߦίʔυΑΓ΋ͪΐͬͱݹ͍ ࠷ۙsigrok.org͕ௐࢠѱ͍ͷͰ࠷৽ίʔυΛरͬͯ͘Δ ͷʹগʑ೉ّ͢Δ
21. Sigrokͷ৴߸Ωϟϓνϟॲཧ ϥΠϑαΠΫϧ int (*dev_open) (struct sr_dev_inst *sdi); int (*dev_close) (struct sr_dev_inst *sdi); int (*dev_acquisition_start) (const struct sr_dev_inst *sdi,
 void *cb_data); int (*dev_acquisition_stop) (struct sr_dev_inst *sdi,
 void *cb_data);
22. Sigrok(PS্Ͱ׬݁ͯ͠ಈ࡞)༻υϥΠό͔Β PLΛୟ͘?? PS PL Ξφϩά
 ΠϯλϑΣʔε(ADC) Sigrok SigrokυϥΠό SDSoCͰ૊ΜͩAXI4
 ΠϯλϑΣʔε(.so) ADCΠϯλϑΣʔε (Verilog HDL)
23. Sigrok(PS্Ͱ׬݁ͯ͠ಈ࡞)༻υϥΠό͔Β PLΛୟ͘?? PS PL Ξφϩά
 ΠϯλϑΣʔε(ADC) Sigrok SigrokυϥΠό SDSoCͰ૊ΜͩAXI4
 ΠϯλϑΣʔε(.so) ADCΠϯλϑΣʔε (Verilog HDL)
24. Sigrok(PS্Ͱ׬݁ͯ͠ಈ࡞)༻υϥΠό͔Β PLΛୟ͘?? PS PL Ξφϩά
 ΠϯλϑΣʔε(ADC) Sigrok SigrokυϥΠό SDSoCͰ૊ΜͩAXI4
 ΠϯλϑΣʔε(.so) ADCΠϯλϑΣʔε (Verilog HDL) ී௨ͷLinuxΞϓϦ಺ͷϢʔβϞʔυυϥΠό͔Β SDSoCͰ૊Μͩڞ༗ϥΠϒϥϦΛݺͼग़͍ͨ͠
25. ։ൃϑϩʔ্ͷཁٻ Ϙʔυʹసૹͯ͠ಈ࡞֬ೝ͢Δස౓ΛԼ͍͛ͨ PL෦෼ʹґଘ͠ͳ͍ιϑτ։ൃ(෼ۀՄೳੑ) SigrokͷZynq༻όΠφϦੜ੒ͱ
 PulseViewυϥΠόྨͷࢼߦࡨޡΛ੾Γ෼͚͍ͨ Ϙʔυ্Ͱಈ࡞ͤ͞Δࡍʹ͸͖ͪΜͱPLΛ࢖͏
 ϥΠϒϥϦΛݺͼग़͢ ιϑτଆͰ׬݁ͯ͠CI(Continuous Integration)΋ྲྀ͍ͨ͠
26. ʮSDSoCͰLinuxΞϓϦͷ
 ֦ுϞδϡʔϧΛॻ͘ʯ࿩
27. TL; DR UG1027ͷ ୈ10ষʹ
 ॻ͍ͯ͋Γ·͢ɻ
28. SDSoCͷαϯϓϧ SDSoC୯ମΞϓϦέʔγϣϯͰ׬݁ͤͣ͞ɺ੒Ռ෺ ΛϥΠϒϥϦͱͯ͠ར༻͢Δྫ͕2छྨ͋Δ samples/fir_lib samples/libmatrix
29. samples/fir_lib sdslib -lib libfir.a \ fir fir.c \ fir_reload fir_reload.c \ fir_config fir_config.c \ -vlnv xilinx.com:ip:fir_compiler:7.2 \ -ip-map fir_compiler.fcnmap.xml \ -ip-params fir_compiler.params.xml
30. samples/fir_lib sdslibίϚϯυΛར༻ͯ͠੩తϥΠϒϥϦΛ࡞Δύ λʔϯ ࡞ͬͨϥΠϒϥϦ͸SDSoC؀ڥʹดͯ͡࢖͏લఏ ͜ΕΛΰϦΰϦͱޙՃ޻ͯ͠ڞ༗ϥΠϒϥϦΛ࡞Ε ͹ྑ͍...?
31. XilinxͷϖʔδΛ୳͠ճΔ ΞϓϦέʔγϣϯΛϥΠϒϥϦͱͯ͠ΤΫεϙʔτ (ུ)ʙͭ·Γɺಉ͡ϋʔυ΢ΣΞ γεςϜΛλʔήο τͯ͠ sdscc Ͱੜ੒͞Εͨϒʔτ؀ڥΛ࢖༻͠ͳ͕ Βɺ೚ҙͷιϑτ΢ΣΞ։ൃ؀ڥͰ GNU πʔϧ νΣʔϯΛ࢖༻ͯ͠ιϑτ΢ΣΞΛ։ൃͰ͖·͢ɻ ͜Ε!!
32. ࢦఆ͞Εͨαϯϓϧ͕ 2016.2/3ʹ͸ଘࡏ͠ͳ͍
33. αϯϓϧσΟϨΫτϦʹ໭Δͱ
 libmatrixͱ͍͏΋ͷ͕͋Δ
34. samples/libmatrix ߦྻܭࢉΛSDSoCܦ༝ͰPL΁౉͢ҰࣜΛ੩తϥΠϒ ϥϦɾڞ༗ϥΠϒϥϦͱͯ͠ग़ྗ͢Δαϯϓϧ libmatrix/build/static/Makefile ←.a libmatrix/build/shared/Makefile ←.so ͱͯ΋෼͔Γ΍͍͢αϯϓϧ
35. ੩తϥΠϒϥϦੜ੒ sds++͔ΒϏϧυͨ͠*_accelܥͷΦϒδΣΫτϑΝΠϧΛؚΉ ੩తϥΠϒϥϦʹݺͼग़͠ଆ(ΠϯλϑΣʔεؔ਺)Λ௥Ճ͢Δͱ ͍͏Ճ޻ matrix.linked: mmult_accel.o madd_accel.o matrix.o ${CC} $^ -nostartfiles -o $@ ${LIBRARY}: matrix.linked cp _sds/swstubs/${LIBRARY} . arm-linux-gnueabihf-ar rcs ${LIBRARY} _sds/ swstubs/matrix.o
36. ڞ༗ϥΠϒϥϦੜ੒ ֤ΦϒδΣΫτϑΝΠϧੜ੒࣌ʹ-fPICΛ͚ͭͯίϯύΠϧ ϥΠϒϥϦੜ੒खॱ͸ͪ͜Βͷ΄͏͕ૉ௚Ͱɺsds++͔Β ௚઀ -shared ΦϓγϣϯͰ.soΛ࡞͍ͬͯΔ ${LIBRARY}: mmult_accel.o madd_accel.o matrix.o ${CC} -shared $^ -o $@
37. ͋ͱ͸ී௨ʹLinuxͷจ຺Ͱ ར༻͢Δ
38. Α͘ݟΔͱɺUG1027ͷୈ10ষʹ͋ͬͨ
39. શ෦ͪΌΜͱॻ͍ͯ·ͨ͠ (౰વ)ϚϧνεϨουݺͼग़͠͸αϙʔτ͠ͳ͍ͷͰɺ ݺͼग़͠ͷલஈͰ໘౗ΛݟΔඞཁ͕͋ΔɺͳͲ஫ҙॻ͖ࠐΈͰɻ
40. SDSoC 2016.2ͱSDx 2016.3ͱ MicroZed
41. SDSoC 2016.2ͱMicroZed settings64.batͰ؀ڥઃఆޙʹαϯϓϧ͍Ζ͍Ζmake PLATFORM=microzedΛࢦఆͯ͠make ͜ͱ͝ͱࣦ͘ഊ͢Δ LUTෆ଍ͱDSPෆ଍ͷ͋Θٕͤ PLATFORM=zybo͸௨ΔɻMicroZed(Z-7010)ͱ ZYBO(Z-7010)ɺͲ͜Ͱ͕͍ࠩͭͨͷ͔…
42. SDx 2016.3ͱMicroZed 2016.2Ͱ͸શવ௨Βͳ͔ͬͨmmult_addͷαϯϓϧ ͕ɺ௨ͬͨ(ߦྻαΠζΛখ͘͞͸ͨ͠) SDxͷIDE͔ΒMicroZed༻ʹςϯϓϨʔτ͔ΒϓϩδΣ ΫτΛੜ੒ͯ͠΋ɺಉ༷ʹ௨Δ MicroZed޲͚ͷSDSoC޲͚BSP͕2016.2→3Ͱվળ? SDSoC GUIͷςϯϓϨʔτ͔ΒϓϩδΣΫτ࡞੒͢Δ ͱɺMicroZedͰ͸ͦ΋ͦ΋area reduced൛͔͠ग़ͳ͍
43. ҎԼɺSDSoCҎ֎ͷ࿩
44. ࠷ऴతʹQt΍SigrokΛؚΊͨ rootfs͕ඞཁ PetaLinuxܦ༝ͰYoctoΛѻ͏ͷ͕ద੾ͦ͏ MicroZedͰ৽͠ΊͷPetaLinuxΛѻ͏࿩Λݟ͔͚ͳ͔ͬ ͨͷͰɺblogʹ·ͱΊͨ http://www.muo.jp/2017/01/petalinux-microzed.html PetaLinuxͰखܰʹZynq(MicroZed)༻ΧελϜLinuxΛ ࡞Δ PetaLinux SDK 2016.2→2016.3Ͱ͔ͳΓYoctoͬΆ͕͞ ্͕͍ͬͯΔ͚ΕͲɺMicroZed͸2016.2Ͳ·Γɻɻɻ
45. Ξφϩά෦෼ʙ֎෦Πϯλ ϑΣʔεͷݱঢ়
49. ArduinoͰൃੜͤͨ͞ ύϧεΛADC͔ΒಡΈऔΓ
50. ֎ງ͔ΒຒΊͯΔঢ়ଶ
51. Zedboardͱൺֱ͢Δͱ͔ͳ Γελʔτ஍఺͕ޙํ ΍Δ͜ͱͷൣғ͕ͱʹ͔͘޿͍ MicroZedͷ֦ுϙʔτ DVI/HDMIͰͷϞχλग़ྗ
52. MicroZedͷ֦ுϙʔτ ඪ४࣮૷ϙʔτ͸ZedboardΑΓ΋͔ͳΓগͳ͍ 12ϐϯͷPmodͻͱͭ+LED1+λΫτεΠον1ͷΈ ཪ໘ʹ100ϐϯͷFMCεϩοτ͕2ͭੜ͍͑ͯΔ ࢀর: MicroZed_HW_UG_v1_4.pdf େҙ: ࣗ෼Ͱ޷͖ʹిݯΛڙڅͯ͠(ϝΠϯϘʔυ͔Β͸ ڙڅ͠ͳ͍Α)ɺ޷͖ʹ࢖ͬͯͶ
55. DVI/HDMIͰͷϞχλग़ྗ ద౰ʹϑϨʔϜόοϑΝ͔Βग़ྗΛಘͯϞχλʹ
 ग़ͦ͏ͱ͢Δ
 →/dev/fb0͕ͦ΋ͦ΋ੜ͍͑ͯͳͯ͘ࠔΔ ADV7511༻VDMAϕʔεͷυϥΠό͸ADI͕ग़ͯ͠Δ ࢀߟ৘ใ: TIͷਓͷεϥΠυ(fb_deferred_ioΛར༻͢Δ) ࢦఆִؒͰߋ৽͞ΕͨϖʔδϦετ͕౉ͬͯ͘Δ https://github.com/Freescale/linux-module-virtfb ←Ϋϥογϡ
56. FPGAͷ֎ଆ 100ϐϯx2ͷϝβχϯΧʔυ͸ࣗ࡞͢Δ ίωΫλ͸Ұࡢ೥࢓ೖΕͯ͋Δ ΞφϩάϑϩϯτΤϯυͷཧղ͕௥͍͍ͭͯͳ͍ͷͰ ؤுΔ mhz100q ( mhz100q.sourceforge.net ) Marmaladeຊx2 (߲࣍)
57. Marmaladeຊ (Έ͔ΜϓϩδΣΫτץ) ίϛέͰച͍ٕͬͯͨज़ಉਓࢽ FPGAͰΦγϩΛ࡞Δ࿩ WindowsΞϓϦʹసૹɾදࣔ mhz100qͱಉ༷ɺAD9283Λར༻ Ξφϩά෦෼ͷղઆ͕͋Γ͕͍ͨ
58. ·ͱΊ ΍ͬͺΓϚΠφʔͳϘʔυ͸ݫ͕͋͠͞Δ UGͪΌΜͱಡ΋͏ ઌ͸௕͍͚ΕͲ΍͍ͬͯ͘