\r\nroot@bbgb7:\/boot# pwd\r\n\/boot\r\nroot@bbgb7:\/boot# cat uEnv.txt\r\n#Docs: http:\/\/elinux.org\/Beagleboard:U-boot_partitioning_layout_2.0\r\n\r\nuname_r=4.8.13-botic7-rc3\r\ndtb=am335x-boneblack-botic.dtb\r\n\r\ncmdline=quiet init=\/lib\/systemd\/systemd \r\n\r\n##Example\r\n#cape_disable=capemgr.disable_partno=\r\n#cape_enable=capemgr.enable_partno=\r\n\r\n##enable BBB: eMMC Flasher:\r\n##make sure, these tools are installed: dosfstools rsync\r\n#cmdline=init=\/opt\/scripts\/tools\/eMMC\/init-eMMC-flasher-v3.sh\r\n\r\nuuid=3d866599-f9ad-474c-b44a-1f8da524951a\r\nroot@bbgb7:\/boot# ls -la\r\ntotal 40036\r\ndrwxr-xr-x 4 root root 4096 Dec 31 23:20 .\r\ndrwxr-xr-x 24 root root 4096 Dec 25 15:28 ..\r\n-rw-r--r-- 1 root root 480 Feb 22 2015 SOC.sh\r\n-rw-r--r-- 1 root root 2725558 Feb 19 2015 System.map-3.18.7-botic4\r\n-rw-r--r-- 1 root root 2477338 May 17 2016 System.map-4.5.0-botic7-rc1\r\n-rw-r--r-- 1 root root 2563919 Dec 2 08:52 System.map-4.8.11-botic7-rc2\r\n-rw-r--r-- 1 root root 2587221 Dec 10 09:37 System.map-4.8.13-botic7-rc3\r\n-rw-r--r-- 1 root root 121127 Feb 19 2015 config-3.18.7-botic4\r\n-rw-r--r-- 1 root root 123020 May 17 2016 config-4.5.0-botic7-rc1\r\n-rw-r--r-- 1 root root 126523 Dec 2 08:52 config-4.8.11-botic7-rc2\r\n-rw-r--r-- 1 root root 126307 Dec 10 09:37 config-4.8.13-botic7-rc3\r\ndrwxr-xr-x 6 root root 4096 Dec 31 23:20 dtbs\r\n-rw-r--r-- 1 root root 2829850 Feb 22 2015 initrd.img-3.18.7-botic4\r\n-rw-r--r-- 1 root root 2768412 Nov 23 15:12 initrd.img-4.5.0-botic7-rc1\r\n-rw-r--r-- 1 root root 2830506 Dec 25 15:28 initrd.img-4.8.11-botic7-rc2\r\n-rw-r--r-- 1 root root 2645199 Dec 31 23:20 initrd.img-4.8.13-botic7-rc3\r\n-rw-r--r-- 1 root root 444 Dec 31 23:20 uEnv.txt\r\ndrwxr-xr-x 2 root root 4096 Feb 16 2015 uboot\r\n-rwxr-xr-x 1 root root 5805792 Feb 19 2015 vmlinuz-3.18.7-botic4\r\n-rwxr-xr-x 1 root root 5437112 May 17 2016 vmlinuz-4.5.0-botic7-rc1\r\n-rwxr-xr-x 1 root root 3655304 Dec 2 08:52 vmlinuz-4.8.11-botic7-rc2\r\n-rwxr-xr-x 1 root root 4122480 Dec 10 09:37 vmlinuz-4.8.13-botic7-rc3\r\nroot@bbgb7:\/boot# less uEnv.txt\r\nroot@bbgb7:\/boot# \r\n<\/code><\/pre>\r\n
\r\n
\r\n \u3010\u30ab\u30fc\u30cd\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u5909\u66f4\u3011 <\/h4>\r\n
\r\n
Botic\u306fLinux\u8d77\u52d5\u6642\u306b\u30ab\u30fc\u30cd\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066Botic\u306b\u95a2\u3059\u308b\u5404\u7a2e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\uff0e\u8a2d\u5b9a\u65b9\u6cd5\u306f “uEnv.txt” \u3068\u3044\u3046\u30ab\u30fc\u30cd\u30eb\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u4e2d\u306bBotic\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u9805\u76ee\u3092\u30c6\u30ad\u30b9\u30c8\u5f62\u5f0f\u3067\u8a18\u5165\u3059\u308b\uff0e\u3053\u306e “uEnv.txt” \u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\uff12\u3064\u306e\u65b9\u6cd5\u306e\u3069\u3061\u3089\u304b\u4e00\u65b9\u3067\u884c\u3048\u3070\u826f\u3044\uff0e<\/p>\r\n
\r\n
\r\n\u3000\u30fb\u65b9\u6cd5\uff11\uff1aMicro SD \u30ab\u30fc\u30c9\u306e\u7b2c\uff11\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\uff08FAT16\u5f62\u5f0f\u3067\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u304c\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001
\u3000\r\n\u3000\u3000\u3000\u3000\u3000\u3000Windows\u3084Mac,Linux\u306a\u3069\u624b\u5143\u306ePC\u4e0a\u3067\u7de8\u96c6\u53ef\u80fd)\u4e0a\u306e\u3000”uboot\/uEnv.txt” \u30d5\u30a1\u30a4\u30eb\u3092\u7de8\u96c6\u3059\u308b.\r\n
\u3000\r\n\u3000\u30fb\u65b9\u6cd5\uff12\uff1aBotic \u8d77\u52d5\u5f8c\u306bLinux\u4e0a\u3067\u3001”\/boot\/uboot\/uEnv.txt” \u3092\u7de8\u96c6\u3059\u308b\uff0e<\/p>\r\n
\r\n
\r\n
\u4e0a\u8a18\u306e\u3069\u3061\u3089\u3067\u3082\u69cb\u308f\u306a\u3044\u304c\u3001Micro SD \u30ab\u30fc\u30c9\u306e\u7b2c\uff11\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u304c Linux\u4e0a\u3067 \/boot \u306b\u30de\u30a6\u30f3\u30c8\u3055\u308c\u3066\u3044\u308b\u3060\u3051\u306a\u306e\u3067\u3001”uEnv.txt” \u306e\u5b9f\u4f53\u306f\u540c\u3058\u7269\u3060\uff0e<\/p>\r\n
\r\n
Clocks configuration : \u30af\u30ed\u30c3\u30af\u8a2d\u5b9a<\/b><\/h5>\r\n
\r\n
snd_soc_botic.ext_masterclk<\/b><\/p>\r\n
\r\n\u3000\u30000 … no external clocks, just onboard for 48k freq
\r\n\u3000\u30001 … external clock for 44k1 + onboard for 48k
\r\n\u3000\u30002 … external clock for 48k only
\r\n\u3000\u30003 … external clocks for 44k1 and 48k (default)
\r\n\u3000\u3000+4 … invert polarity of clock selection switch GPIO0_15
\r\n\u3000\u30009 … external clock for 44k1 only
\r\n
\r\n\u3000\u30000 \u21d2\u3000\u5916\u90e8\u30af\u30ed\u30c3\u30af\u3092\u4f7f\u7528\u305b\u305a\u306b\u3001\u5185\u90e8\u751f\u6210\u3055\u308c\u308b 48kHz\u7cfb\u306e\u30af\u30ed\u30c3\u30af\u4fe1\u53f7\u306e\u307f\u3067
\r\n\u3000\u3000\u3000\u3000\u3000\u5168\u3066\u306e\u97f3\u6e90\u3092\u518d\u751f\u3059\u308b
\r\n\u3000\u30001 \u21d2\u300044.1kHz\u7cfb\u306e\u97f3\u6e90\u306e\u307f\u5916\u90e8\u30af\u30ed\u30c3\u30af\u3092\u4f7f\u7528\u3057\u300148kHz\u7cfb\u306e\u97f3\u6e90\u306f\u5185\u90e8\u751f\u6210\u3055\u308c\u308b
\r\n\u3000\u3000\u3000\u3000\u30af\u30ed\u30c3\u30af\u4fe1\u53f7\u3067\u518d\u751f\u3059\u308b
\r\n\u3000\u30002 \u21d2\u300048kHz\u7cfb\u306e\u5916\u90e8\u30af\u30ed\u30c3\u30af\u4fe1\u53f7\u306e\u307f\u3067\u5168\u3066\u306e\u97f3\u6e90\u3092\u518d\u751f\u3059\u308b
\r\n
\r\n\u3000\u30003 \u21d2\u300044.1kHz\u7cfb\u306e\u97f3\u6e90\u7528\u306e\u5916\u90e8\u30af\u30ed\u30c3\u30af\u3068\u300148kHz\u7cfb\u306e\u97f3\u6e90\u7528\u306e\u5916\u90e8\u30af\u30ed\u30c3\u30af\u4fe1\u53f7\u3092\u305d\u308c\u305e\u308c\u7528\u3044\u308b
\r\n\u3000\u3000\u3000\u3000(\u30c7\u30d5\u30a9\u30eb\u30c8\uff09
\r\n\u3000\u3000+4 \u21d2\u3000\u30af\u30ed\u30c3\u30af\u7cfb\u5217\u5207\u308a\u66ff\u3048\u4fe1\u53f7\uff08GPIO0_15\uff09\u306e\u6975\u6027\u3092\u53cd\u8ee2\u3055\u305b\u308b
\r\n\u3000\u3000\u3000\u300048kHz\u7cfb\u5217 \u21d2 GPIO0_15 = “1” \/ 44.1kHz\u7cfb\u5217 \u21d2 GPIO0_15 = “0” [ \u901a\u5e38\u6642 ]
\r\n\u3000\u3000\u3000\u300048kHz\u7cfb\u5217 \u21d2 GPIO0_15 = “0” \/ 44.1kHz\u7cfb\u5217 \u21d2 GPIO0_15 = “1” [ \u53cd\u8ee2\u6642 ]
\r\n\u3000\u30009 \u21d2\u300044.1kHz\u7cfb\u306e\u5916\u90e8\u30af\u30ed\u30c3\u30af\u4fe1\u53f7\u306e\u307f\u3067\u5168\u3066\u306e\u97f3\u6e90\u3092\u518d\u751f\u3059\u308b
\r\n
\r\n\u3000\u3000\u203b \u7d44\u307f\u8fbc\u307f\u7cfb\u306e\u30b7\u30b9\u30c6\u30e0\u306b\u6163\u308c\u3066\u3044\u306a\u3044\u4eba\u306b\u3068\u3063\u3066\u306f\u3001”+4″ \u306e\u610f\u5473\u304c\u5224\u308a\u96e3\u3044\u304b\u3082\u3057\u308c\u306a\u3044\uff0e
\r\n\u3000\u3000\u3000\u3053\u308c\u306f\u3001\u30af\u30ed\u30c3\u30af\u7cfb\u5217\u5207\u308a\u66ff\u3048\u4fe1\u53f7\u3092\u53cd\u8ee2\u3055\u305b\u305f\u3044\u5834\u5408\u306b\u306f\u3001\u5143\u3005\u306e\u5024(0\/1\/2\/9\uff09\u306b +4 \u3057\u305f
\r\n\u3000\u3000\u3000\u5024\u3092\u6307\u5b9a\u3059\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e “3” \u306e\u5834\u5408\u306f “3+4” \u3064\u307e\u308a “7” \u3092\u6307\u5b9a\u3059\u308c\u3070\u826f\u3044\uff0e
\r\n<\/p>\r\n
\r\n
DSD format switch : DSD \u5207\u308a\u66ff\u3048\u30b9\u30a4\u30c3\u30c1\u8a2d\u5b9a<\/b><\/h5>\r\n
\r\n
snd_soc_botic.dsd_format_switch<\/b>\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u4ee5\u4e0b\u306e\u4f55\u308c\u304b\u3092\u6307\u5b9a\u3059\u308b\uff0e
\r\n
\r\n\u3000\u30000 … DSD switch is disabled
\r\n\u3000\u30001 … DSD switch is enabled (default)
\r\n\u3000\u3000+2 … invert polarity of format selection switch GPIO0_14
\r\n
\r\n
\r\n\u3000\u30000 \u21d2\u3000DSD \u5207\u308a\u66ff\u3048\u30b9\u30a4\u30c3\u30c1\uff08GPIO0_14\uff09\u306b\u3088\u308b DSD \u5207\u308a\u66ff\u3048\u4fe1\u53f7\u3092\u4f7f\u7528\u3057\u306a\u3044
\r\n\u3000\u30001 \u21d2\u3000DSD \u5207\u308a\u66ff\u3048\u30b9\u30a4\u30c3\u30c1\u3092\u4f7f\u7528\u3059\u308b\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09
\r\n\u3000\u3000+2 \u21d2\u3000DSD \u5207\u308a\u66ff\u3048\u30b9\u30a4\u30c3\u30c1\u306e\u6975\u6027\u3092\u53cd\u8ee2\u3059\u308b
\r\n\u3000\u3000\u3000\u3000\u3000DSD \u21d2 GPIO0_14 = “1” \/ PCM \u21d2 GPIO0_14 = “0” [ \u901a\u5e38\u6642 ]
\r\n\u3000\u3000\u3000\u3000\u3000DSD \u21d2 GPIO0_14 = “0” \/ PCM \u21d2 GPIO0_14 = “1” [ \u53cd\u8ee2\u6642 ]
\r\n<\/p>\r\n
\r\n Channels configuration : \u30c1\u30e3\u30cd\u30eb\u8a2d\u5b9a<\/b><\/h5>
\r\n
\r\n
“soc_botic.serconfig”<\/b><\/p>\r\n
\r\n
\u3053\u306e\u8a2d\u5b9a\u3092\u30ab\u30fc\u30cd\u30eb\u8d77\u52d5\u6642\u306b\u884c\u3046\u5834\u5408\u306f “uEnv.txt” \u30d5\u30a1\u30a4\u30eb\u3067\u6307\u5b9a\u3059\u308b\u304c\u3001\u8d77\u52d5\u5f8c\u306b “\/sys\/module\/snd_soc_botic\/parameters\/serconfig” \u3092\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u3067\u3082\u4e00\u6b21\u7684\u306a\u5909\u66f4\u304c\u53ef\u80fd<\/p>\r\n
\r\n
\u3053\u306e\u8a2d\u5b9a\u304cBotic\u8a2d\u5b9a\u3067\u4e00\u756a\u91cd\u8981\u306a\u90e8\u5206\u306a\u306e\u3060\u304c\u3001\u5c11\u3057\u5224\u308a\u96e3\u3044\u306e\u3067\u524d\u7f6e\u304d\u3092\u3057\u3066\u304a\u304f\uff0e<\/p>\r\n
\r\n
BeagleBone Black\/Green \u3067\u7528\u3044\u3089\u308c\u3066\u3044\u308b TI AM3358 SoC \u30c1\u30c3\u30d7\u306b\u306f\u6c4e\u7528\u30aa\u30fc\u30c7\u30a3\u30aa\u30fb\u30b7\u30ea\u30a2\u30eb\u30dd\u30fc\u30c8\u4fe1\u53f7\uff08McASP : Multi-channel Audio Serial Port\uff09\u3092\u51fa\u529b\uff08\u5165\u529b\uff09\u3059\u308b\u6a5f\u80fd\u304c\u5099\u308f\u3063\u3066\u304a\u308a\u3001\u305d\u306e\u30b7\u30ea\u30a2\u30eb\u30dd\u30fc\u30c8\u3092\u62e1\u5f35\u7aef\u5b50 P9 \u3092\u901a\u3057\u3066\u5916\u90e8\u3068\u63a5\u7d9a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u308b\uff0e<\/p>\r\n
\r\n
McASP\u3067\u306f\u540c\u6642\u306b4\u30c1\u30e3\u30cd\u30eb\u306e\u30aa\u30fc\u30c7\u30a3\u30aa\u30fb\u30b7\u30ea\u30a2\u30eb\u30dd\u30fc\u30c8\u4fe1\u53f7(mcasp0_axr0 – mcasp0_axr3\uff09\u306e\u5165\u51fa\u529b\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u30011\u30c1\u30e3\u30cd\u30eb\u306e\u30aa\u30fc\u30c7\u30a3\u30aa\u30fb\u30b7\u30ea\u30a2\u30eb\u30dd\u30fc\u30c8\u4fe1\u53f7\u3068\u3057\u3066\u3001
\r\n
\r\n\u3000\u3000\u30fb PCM(I2S) \u4fe1\u53f7 (STEREO)
\r\n\u3000\u3000\u30fb DSD\u4fe1\u53f7 (MONO)
\r\n\u3000\u3000\u30fb SPDIF\u4fe1\u53f7 (STEREO)
\r\n
\r\n\u3092\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u308b\uff0esoc_botic.serconfig\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u5bfe\u3057\u30664\u30c1\u30e3\u30cd\u30eb\u306e\u4fe1\u53f7\u306e\u5272\u308a\u5f53\u3066\u65b9\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\uff0e\u5404\u30c1\u30e3\u30cd\u30eb\u6bce\u306b\u6b21\u306e\u4f55\u308c\u304b\u3092\u5272\u308a\u5f53\u3066\u308b\uff0e<\/p>\r\n
\r\n
\r\n\u3000\u3000M … I2S\/DSD mode
\r\n\u3000\u3000I … I2S only mode
\r\n\u3000\u3000D … DSD only mode
\r\n\u3000\u3000S … SPDIF only mode (exclusive, cannot be combined with I2S\/DSD)
\r\n\u3000\u3000\u3000\u3000\u3000\u3000– Notice: does not work in botic5
\r\n\u3000\u3000R … record mode (I2S only)
\r\n\u3000\u3000- … disabled serializer
\r\n
\r\n\u3000\u3000M \u21d2\u3000PCM(I2S)\u3068DSD\u306e\u4e21\u4fe1\u53f7\u306b\u5bfe\u5fdc\u53ef\u80fd\u306a\u30c1\u30e3\u30cd\u30eb\u3068\u3057\u3066\u5272\u308a\u5f53\u3066\u308b
\r\n\u3000\u3000I \u21d2\u3000PCM(I2S) \u4fe1\u53f7\u5c02\u7528\u3068\u3057\u3066\u30c1\u30e3\u30cd\u30eb\u3092\u5272\u308a\u5f53\u3066\u308b
\r\n\u3000\u3000D \u21d2\u3000DSD\u4fe1\u53f7\u5c02\u7528\u3068\u3057\u3066\u30c1\u30e3\u30cd\u30eb\u3092\u5272\u308a\u5f53\u3066\u308b
\r\n\u3000\u3000S \u21d2\u3000SPDIF\u4fe1\u53f7\u5c02\u7528\u3068\u3057\u3066\u30c1\u30e3\u30cd\u30eb\u3092\u5272\u308a\u5f53\u3066\u308b\uff08PCM\/DSD\u4fe1\u53f7\u3068\u306f\u6392\u4ed6\u7684\uff09
\r\n\u3000\u3000R \u21d2\u3000PCM(I2S)\u4fe1\u53f7\u306e\u5165\u529b\u7528
\r\n\u3000\u3000- \u21d2\u3000\u3053\u306e\u30c1\u30e3\u30cd\u30eb\u3092\u5272\u308a\u5f53\u3066\u306a\u3044\uff08\u4f7f\u7528\u3057\u306a\u3044\uff09
\r\n<\/p>\r\n
\r\n
\u4ee3\u8868\u7684\u306asoc_botic.serconfig\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8a2d\u5b9a\u4f8b\u3092\u5e7e\u3064\u304b\u6319\u3052\u3066\u304a\u304f\u3068\u3001
\r\n
\r\n\u3000\u3000soc_botic.serconfig=I— <== mcasp0_axr0 \u30dd\u30fc\u30c8\u3060\u3051\u306bI2S\u4fe1\u53f7\u3092\u8a2d\u5b9a
\r\n
\r\n\u3000\u3000soc_botic.serconfig=DD– <== mcasp0_axr0 \u30dd\u30fc\u30c8\u3092 DSD(#1)\u3001mcasp0_axr1 \u30dd\u30fc\u30c8\u3092 DSD(#2)
\r\n
\r\n\u3000\u3000soc_botic.serconfig=MM– <== mcasp0_axr0 \u30dd\u30fc\u30c8\u3092 PCM(#1)\/DSD(#1)\u3001
\r\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000mcasp0_axr1 \u30dd\u30fc\u30c8\u3092 PCM(#2)\/DSD(#2)
\r\n\u3000\u3000\u203b PCM1792\u3001 ES9018\u7cfb\u3001AK49xx \u7cfb\u306a\u3069\u306e PCM\/DSD\u4fe1\u53f7\u5165\u529b\u30dd\u30fc\u30c8\u3092\u517c\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001
\r\n\u3000\u3000\u3000\u3053\u306e\u8a2d\u5b9a\u3092\u7528\u3044\u3066\u3001DSD \u5207\u308a\u66ff\u3048\u30b9\u30a4\u30c3\u30c1\u306e\u4fe1\u53f7\u306b\u3088\u3063\u3066\u30de\u30eb\u30c1\u30d7\u30ec\u30af\u30b5IC\u306a\u3069\u3092\u7528\u3044\u3066DAC\u5165\u529b
\r\n\u3000\u3000\u3000\u30dd\u30fc\u30c8\u3078\u306e\u30a2\u30b5\u30a4\u30f3\u3092\u5909\u66f4\u3059\u308b
\r\n
\r\nTI(BB) DSD1792 \u306e\u3088\u3046\u306a PCM, DSD \u305d\u308c\u305e\u308c\u306b\u5165\u529b\u30dd\u30fc\u30c8\u3092\u6301\u3064\u3088\u3046\u306aDAC\u3067\u306f\u3001
\r\n
\r\n\u3000\u3000soc_botic.serconfig=IDD-
\r\n
\r\n\u306e\u3088\u3046\u306a\u6307\u5b9a\u3082\u4fbf\u5229\u3060\u308d\u3046\uff0e<\/p>\r\n
\r\n
\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f “soc_botic.serconfig=MMMM” \u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u81ea\u5206\u306eDAC\u8a2d\u5b9a\u306b\u5408\u308f\u305b\u3066\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u3066\u304a\u304f\u3053\u3068\u3092\u63a8\u5968\u3059\u308b\uff0e<\/p>\r\n
\r\n
DAI format : PCM\u4fe1\u53f7\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u8a2d\u5b9a<\/b><\/h5>\r\n
\r\n
“snd_soc_botic.dai_format”<\/b><\/p>\r\n
\r\n
\u3053\u306e\u8a2d\u5b9a\u3092\u30ab\u30fc\u30cd\u30eb\u8d77\u52d5\u6642\u306b\u884c\u3046\u5834\u5408\u306f “uEnv.txt” \u30d5\u30a1\u30a4\u30eb\u3067\u6307\u5b9a\u3059\u308b\u304c\u3001\u8d77\u52d5\u5f8c\u306b “\/sys\/module\/snd_soc_botic\/parameters\/dai_format” \u3092\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u3067\u3082\u4e00\u6b21\u7684\u306a\u5909\u66f4\u304c\u53ef\u80fd<\/p>\r\n
\r\n
PCM\u4fe1\u53f7\u3068\u3057\u3066\u4e00\u822c\u7684\u306aI2S\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u5229\u7528\u3059\u308b\u306e\u3067\u3042\u308c\u3070\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u307e\u307e\u3067\u69cb\u308f\u306a\u3044\u3060\u308d\u3046\uff0e\u4f7f\u7528\u3059\u308bDAC\u306b\u3088\u3063\u3066\u306f\u3001\u3053\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5024\u3092\u8abf\u6574\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u306a\u3044\uff0e<\/p>\r\n
\r\n
\r\n\r\n +1 ... I2S mode\r\n +2 ... Right Justified mode (LSB) -- BUG: does not work in botic4; fixed in botic5\r\n +3 ... Left Justified mode (MSB)\r\n +4 ... L data MSB after FRM LRC\r\n +5 ... L data MSB during FRM LRC\r\n\r\n +0 ... NB_NF: normal BCLK & LRCK\r\n +512 ... NB_IF: normal BCLK, inverted LRCK\r\n +768 ... IB_NF: inverted BCLK, normal LRCK\r\n +1024 ... IB_IF: inverted BCLK & LRCK\r\n\r\n +4096 ... CBM_CFM: DAC is BCLK & LRCK master\r\n +8192 ... CBS_CFM: DAC is BCLK slave, LRCK master\r\n +12288 ... CBM_CFS: DAC is BCLK master, LRCK slave\r\n +16384 ... CBS_CFS: DAC is BCLK & LRCK slave\r\n\r\nDefault value: I2S + NB_NF + CBS_CFS\r\n\r\nChange via file is active on the next playback start.\r\n<\/code><\/pre>\r\n
\r\n
\r\n \u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f I2S + NB_NF + CBS_CFS \u306a\u306e\u3067\u3001”snd_soc_botic.dai_format=16385″ \u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\uff0e<\/p>\r\n
\r\n
\r\n
External masterclock frequencies <\/b><\/h5>\r\n
\r\n
“snd_soc_botic.clk_44k1 & snd_soc_botic.clk_48k”<\/b><\/p>\r\n
\r\n
\u3053\u306e\u8a2d\u5b9a\u3092\u30ab\u30fc\u30cd\u30eb\u8d77\u52d5\u6642\u306b\u884c\u3046\u5834\u5408\u306f “uEnv.txt” \u30d5\u30a1\u30a4\u30eb\u3067\u6307\u5b9a\u3059\u308b\u304c\u3001\u8d77\u52d5\u5f8c\u306b “\/sys\/module\/snd_soc_botic\/parameters\/clk_44k1”, “\/sys\/module\/snd_soc_botic\/parameters\/clk_48k”, \u3092\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u3067\u3082\u4e00\u6b21\u7684\u306a\u5909\u66f4\u304c\u53ef\u80fd<\/p>\r\n
\r\n
\u5916\u90e8\u30de\u30b9\u30bf\u30fc\u30af\u30ed\u30c3\u30af\u306e\u5468\u6ce2\u6570\u3068\u3057\u3066\u300144.1kHz\u7cfb\u5217\u306e\u97f3\u6e90\u306e\u5834\u5408\u306f\u3001
\r\n
\r\n\u3000\u3000snd_soc_botic.clk_44k1= 22579200 [22.5792MHz ]
\r\n
\r\n\u540c\u69d8\u306b\u300148kHz\u7cfb\u5217\u306e\u97f3\u6e90\u306e\u5834\u5408\u306b\u306f\u3001
\r\n
\r\n\u3000\u3000snd_soc_botic.clk_48k= 24576000 [24.5760MHz ]
\r\n
\r\n\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3068\u3057\u3066\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\uff0e\u3082\u3057\u3001\u3053\u306e\u500d\u306e\u30de\u30b9\u30bf\u30fc\u30af\u30ed\u30c3\u30af 45.1584KHz\/19.1520MHz \u3092\u7528\u3044\u308b\u5834\u5408\u306f\u3001\u3053\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u3066\u304a\u304b\u306a\u3044\u3068\u3001\u500d\u901f\u30e2\u30fc\u30c9\uff08\u30d4\u30c3\u30c1\u3001\u518d\u751f\u901f\u5ea6\u3068\u3082\uff12\u500d\uff09\u3067\u518d\u751f\u3055\u308c\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u6ce8\u610f\u304c\u5fc5\u8981\u3060\uff0e\uff08\u3053\u308c\u306f\u3053\u308c\u3067\u7b11\u3048\u308b\u3051\u3069\uff0e\uff0e\uff0e^_^!\uff09<\/p>\r\n
\r\n
Force BCLK\/LRCLK ratio : BCK\/LRCK\u306e\u6bd4\u7387\u8a2d\u5b9a<\/b><\/h5>\r\n
\r\n
“snd_soc_botic.blr_ratio”<\/b><\/p>\r\n
\r\n
\u3053\u306e\u8a2d\u5b9a\u3092\u30ab\u30fc\u30cd\u30eb\u8d77\u52d5\u6642\u306b\u884c\u3046\u5834\u5408\u306f “uEnv.txt” \u30d5\u30a1\u30a4\u30eb\u3067\u6307\u5b9a\u3059\u308b\u304c\u3001\u8d77\u52d5\u5f8c\u306b “\/sys\/module\/snd_soc_botic\/parameters\/blr_ratio”\u3092\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u3067\u3082\u4e00\u6b21\u7684\u306a\u5909\u66f4\u304c\u53ef\u80fd<\/p>\r\n
\r\n
\u3053\u306e\u5024\u306f\u3001I2S\u4fe1\u53f7\u3067\u306e 1 LRCK \u5468\u671f\u306b\u542b\u307e\u308c\u308b BCK\u4fe1\u53f7\u306e\u5468\u671f\u3068\u306a\u308b\uff0e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306f 64 \u3068\u306a\u3063\u3066\u304a\u308a\u3001\u3061\u3087\u3063\u3068\u9ad8\u7d1a\u7cfb\uff08PCM179x\u7cfb\u3001ES90xx\u7cfb\u3001AK449x\u7cfb\uff09\u306aDAC\u30c1\u30c3\u30d7\u306f 64 \u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u306a\u306e\u3067\u3001\u3053\u306e\u5024\u306e\u307e\u307e\u3067\u5927\u4e08\u592b\u3060\u304c\u3001\u5ec9\u4fa1\u7cfb\uff08PCM5102\u306a\u3069\uff09\u306eDAC\u306e\u5834\u5408\u306f\u300132\u307e\u3067\u4e0b\u3052\u3066\u304a\u3044\u305f\u65b9\u304c\u826f\u3044\u304b\u3082\u3057\u308c\u306a\u3044\uff0e<\/p>\r\n
\r\n
Raspberry Pi\u7528\u3068\u3057\u3066\u51fa\u307e\u308f\u3063\u3066\u3044\u308bI2S\u5bfe\u5fdcDAC\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u304c\u5927\u62b5 32 \u306a\u306e\u3067\u3001\u4e0a\u624b\u304fI2S\u518d\u751f\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3053\u306e\u6570\u5024\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u3066\u307f\u308b\u3068\u826f\u3044\u3060\u308d\u3046\uff0e<\/p>\r\n
\r\n
Botic\u3067\u306eBBB\/BBG\u306e\u62e1\u5f35\u7aef\u5b50P9 \u306e\u30d4\u30f3\u8a2d\u5b9a<\/h4>\r\n
\r\n
I2S\/DSD\u4fe1\u53f7\u3084\u3001\u30de\u30b9\u30bf\u30fc\u30af\u30ed\u30c3\u30af\uff08\u5165\u529b\uff09\u3001\u30af\u30ed\u30c3\u30af\u7cfb\u5217\u4fe1\u53f7\u3001DSD\u5207\u308a\u66ff\u3048\u4fe1\u53f7\u306a\u3069\u306f\u3001\u6b21\u306e\u69d8\u306a\u30d4\u30f3\u306e\u5272\u308a\u5f53\u3066\u3068\u306a\u3063\u3066\u3044\u308b\uff0e<\/p>\r\n
\r\n\u3000\u3000P9_25 – A14\/0 – mcasp0_ahclkx (oscillator) – GPIO3_21\u3000
\r\n\u3000\u3000P9_31 – A13\/0 – mcaps0_aclkx (bit clock) – SPI1_SCLK\u3000
\r\n\u3000\u3000P9_29 – B13\/0 – mcasp0_fsx (lr clock) – SPI1_D0\u3000
\r\n\u3000\u3000P9_30 – D12\/0 – mcasp0_axr0 (data0) – SPI1_D1\u3000
\r\n\u3000\u3000P9_41 – D13\/0 – mcasp0_axr1 (data1) – GPIO3_20 shared pin with D14\u3000
\r\n\u3000\u3000P9_?? – ?12\/2 – mcasp0_axr2 (data2) – configurable, see bellow\u3000
\r\n\u3000\u3000P9_27 – C13\/2 – mcasp0_axr3 (data3) – GPIO3_19\u3000
\r\n\u3000\u3000P9_24 – D15\/7 – uart1_txd (external masterclock switch) – GPIO0_15\u3000
\r\n\u3000\u3000P9_26 – D16\/7 – uart1_rxd (I2S\/DSD format switch)- GPIO0_14\u3000
\r\n\u3000\u3000P9_14 – U14\/7 – gpmc_a2 (cape power switch) – EHRPWM1A\u3000
\r\n
\r\n\u3000\u3000Default mode (kernel param snd_soc_botic.pinconfig=default or not set)
\r\n\u3000\u3000P9_42 – B12\/2 – mcasp0_axr2 (data2) – GPIO3_18
\r\n
\r\n\u3000\u3000Compat mode (kernel param snd_soc_botic.pinconfig=compat)
\r\n\u3000\u3000P9_28 – C12\/2 – mcasp0_axr2 (data2) – SPI1_CS0 shared with HDMI audio output
\r\n
\r\n\u3000\u3000GND is available on any of these pins P9_{01,02,43,44,45,46}.
\r\n
\r\n
Raspberry Pi\u3067\u306eI2S\u63a5\u7d9a\u3068\u306f\u304b\u306a\u308a\u69d8\u5b50\u304c\u7570\u306a\u308b\u306e\u3067\u3001\u5404\u30d4\u30f3\u306e\u7528\u9014\u3092\u7c21\u5358\u306b\u8aac\u660e\u3057\u3066\u304a\u304f\uff0e<\/p>\r\n
\r\n
\r\n\u3000\u30fbP9_14\u3000(pin #14\uff09: Cape(\u30b1\u30fc\u30d7\uff09\u306e\u30d1\u30ef\u30fc\u72b6\u614b
\r\n\u3000\u3000\u3000 \u21d2 \u3053\u306e\u30d4\u30f3\u304c “0” \u21d2 “1” \u306b\u9077\u79fb\u3059\u308b\u3068\u3001Cape\u304c\u4f7f\u7528\u53ef\u80fd\u306a\u72b6\u614b\u3068\u306a\u308b
\r\n
\r\n\u3000\u203bBBB\/BBG\u3067\u306f \u3053\u306e\u30d4\u30f3\u304c “0” \u306e\u6642\u306b P8\/P9 \u7aef\u5b50\u306b\u5916\u90e8\u304b\u3089\u4fe1\u53f7\u304c\u52a0\u3048\u3089\u308c\u308b\u3068\u3001BBB\/BBG\u672c\u4f53\u304c
\r\n\u3000\u3000\u3000\u640d\u50b7\uff08\u58ca\u308c\u3066\u3057\u307e\u3046\uff09\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u306e\u3067\u3001\u5fc5\u305a\u3053\u306e\u4fe1\u53f7\u30d4\u30f3\u304c “1” \u306b\u306a\u3063\u3066\u3044\u308b\u72b6\u614b\u3067\u3000Cape\u3092\u7a3c\u50cd
\r\n\u3000\u3000\u3000\u3055\u305b\u308b\u3053\u3068\uff01\uff01\uff01<\/b><\/p>\r\n
\r\n
\u3000\u5b9f\u969b\u306b\u3001\u3053\u306e\u30d4\u30f3\u304c\u307e\u3060 “0” \u306e\u72b6\u614b\u306e\u6642\u306b\u3001P9_26\u3000(pin #26\uff09\u306b +3.3V \u3092\u639b\u3051\u3066\u3057\u307e\u3063\u305f\u3089
\r\n\u3000\u3000BBB\u304c\u304a\u4ea1\u304f\u306a\u308a\u306b\u306a\u308a\u307e\u3057\u305f\uff08\u5357\u7121\u963f\u5f25\u9640\u4ecf\uff09<(_ _)> \u3011<\/p>\r\n
\r\n
\r\n\u3000\u30fbP9_24\u3000(pin #24\uff09: \u5916\u90e8\u30de\u30b9\u30bf\u30fc\u30af\u30ed\u30c3\u30af\u4fe1\u53f7\u5207\u308a\u66ff\u3048SW
\r\n\u3000\u3000\u3000 “0”\/”1″ \u21d2 44.1kHz\u7cfb\u5217\/48.0kHz\u7cfb\u5217
\r\n<\/p>\r\n
\r\n
\r\n\u3000\u30fbP9_25\u3000(pin #25\uff09: \u5916\u90e8\u30de\u30b9\u30bf\u30fc\u30af\u30ed\u30c3\u30af\u5165\u529b
\r\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u203b\u5fc5\u305a P9_14\u3000(pin #14\uff09\u21d2 “1” \u3068\u306a\u3063\u3066\u304b\u3089\u3053\u306e\u7aef\u5b50\u306b\u30af\u30ed\u30c3\u30af\u4fe1\u53f7\u3092\u5165\u529b\u3059\u308b\u3053\u3068<\/b>\r\n<\/p>\r\n
\r\n
\r\n\u3000\u30fbP9_26\u3000(pin #26\uff09: DSD \u5207\u308a\u66ff\u3048SW\u3000[ “0”\/”1″ \u21d2 PCM\/DSD ]
\r\n<\/p>\r\n
\r\n
\r\n\u3010\u8ffd\u8a18\uff1aBotic 7 \u306e “Mute” \u4fe1\u53f7 \u3011<\/h4>\r\n
\r\n
Botic \u306e\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u304c\u6539\u8a02\u3055\u308c\u3001Botic 7 \u3067 “Mute” \u4fe1\u53f7\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u305f\u4e8b\u304c\u8a18\u3055\u308c\u3066\u3044\u305f\uff0e<\/p>\r\n
\r\n
\r\n \r\n--------\r\nMute pin\r\n--------\r\n\r\nNotice: This parameter is available in botic7\r\n\r\nEmulation of mute pin on some of 1-4 data pins:\r\n - kernel option snd_soc_davinci_mcasp.mute_pin\r\n - file \/sys\/module\/snd_soc_davinci_mcasp\/parameters\/mute_pin\r\n which can be updated while system is running, but change\r\n will be applied on the next start of playback\r\n\r\nSupported values for mute_pin:\r\n -1 ... mute pin functionality is disabled\r\nor these additive numbers:\r\n + 1 ... signal mute on pin 0\r\n + 2 ... signal mute on pin 1\r\n + 4 ... signal mute on pin 2\r\n + 8 ... signal mute on pin 3\r\n + 16777216 ... invert the mute signal\r\n\r\nFor example (stereo playback of I2S\/DSD on TPA Hermes-BBB):\r\n $ echo 12 > \/sys\/module\/snd_soc_davinci_mcasp\/parameters\/mute_pin\r\n $ echo MD-- > \/sys\/module\/snd_soc_botic\/parameters\/serconfig\r\nTwo pins are needed, because Hermes-BBB switches pins 2 and 3 when I2S\/DSD mode\r\nis switched. After playback start\/stop there should appear a mute pin on D5\r\noutput pin of Cronus.\r\n \r\n<\/code><\/pre>\r\n
\r\n\u4e0a\u8a18\u306e\u8aac\u660e\u306b\u3042\u308b\u3088\u3046\u306b\u30010\u301c3\u306e\u30b7\u30ea\u30a2\u30eb\u30dd\u30fc\u30c8\uff08data0 \u301cdata3\uff09\u51fa\u529b\u4fe1\u53f7\u306e\u4f55\u308c\u304b\u306b”Mute” \u4fe1\u53f7\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u3060\uff0e”Mute”\u4fe1\u53f7\u306e\u5272\u308a\u5f53\u3066\u65b9\u6cd5\u306f\u4ed6\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u8a2d\u5b9a\u3068\u540c\u3058\u3067\u3001
\r\n
\r\n\u3000\u3000snd_soc_davinci_mcasp.mute_pin=8
\r\n\u3000\u3000soc_botic.serconfig=MD–
\r\n
\r\n\u306e\u3088\u3046\u306b\u30ab\u30fc\u30cd\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u6307\u5b9a\u3059\u308b\u304b\u3001Botic\u8d77\u52d5\u5f8c\u306b “\/sys\/module\/snd_soc_davinci_mcasp\/parameters\/mute_pin” \u30d5\u30a1\u30a4\u30eb\u3092\u66f4\u65b0\u3059\u308c\u3070\u826f\u3044\uff0e\u4e0a\u8a18\u306e\u4f8b\u3067\u306f+8\u6307\u5b9a\u306a\u306e\u3067\u3001mcasp0_axr3(data3) [ P9-Pin#27 ] \u304c “Mute” \u4fe1\u53f7\u30d4\u30f3\u3068\u306a\u308b\uff0e<\/p>\r\n
\r\n
\u51fa\u529b\u3055\u308c\u308b”Mute”\u4fe1\u53f7\u304c\u3001Hi-active\u306a\u306e\u304b\u3000Low-active\u306a\u306e\u304b\u30cf\u30c3\u30ad\u30ea\u3057\u306a\u3044\u304c\u3001\u53cd\u8ee2\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3088\u3046\u306a\u306e\u3067\u3001\u5b9f\u969b\u306e\u51fa\u529b\u4fe1\u53f7\u3092\u898b\u3066\u4f7f\u7528\u3059\u308bDAC\u5074\u306b\u5408\u308f\u305b\u308c\u3070\u826f\u3044\u3060\u308d\u3046\uff0eRoon\u3067\u3042\u308c\u3070\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u3067\u5b8c\u74a7\u306b\u30df\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u5236\u5fa1\u304c\u884c\u308f\u308c\u308b\u3088\u3046\u306a\u306e\u3067\u3001DSD\/PCM\u5207\u308a\u66ff\u3048\u6642\u3084\u66f2\u9593\u3067\u306e\u30ce\u30a4\u30ba\u306f\u7686\u7121\u3060\u304c\u3001MPD\u3067\u306f\u76db\u5927\u306a\u30ce\u30a4\u30ba\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u304c\u591a\u3044\u306e\u3067\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u5074\u3067\u4f55\u3089\u304b\u306e\u30df\u30e5\u30fc\u30c8\u5236\u5fa1\u304c\u884c\u3048\u308b\u3088\u3046\u306b\u306a\u308b\u3068\u975e\u5e38\u306b\u52a9\u304b\u308b\uff0eBotic 7 \u3067\u306e\u30df\u30e5\u30fc\u30c8\u5236\u5fa1\u306b\u3064\u3044\u3066\u306f\u4eca\u5f8c\u8a66\u3057\u3066\u307f\u308b\u4e88\u5b9a\u306a\u306e\u3067\u3001\u305d\u306e\u3046\u3061\u7d39\u4ecb\u3057\u3088\u3046\u3068\u601d\u3046\uff0e<\/p>\r\n
\r\n ","protected":false},"excerpt":{"rendered":"Botic V7\uff08\u6700\u65b0\u7248\u306f 2016\/12\/10\u6642\u70b9\u3067 rc3\uff09\u3078\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u6e08\u3093\u3060\u3068\u3053\u308d\u3067\u3001Botic\u56fa\u6709\u306e\u74b0\u5883\u8a2d\u5b9a\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u304a\u304f\uff0e\u8a73\u3057\u3044\u8a2d\u5b9a\u306e\u4ed5\u65b9\u306f”http:\/\/bbb.ieero.com” \u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u3053\u3053\u3067\u306f\u305d\u306e\u5185\u5bb9\u3092\u8981\u7d04\u3057\u3066\u304a\u304f\u3053\u3068\u306b\u3059\u308b\uff0e","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[713],"tags":[741,742,650,747,748],"class_list":["post-5266","post","type-post","status-publish","format-standard","hentry","category-digital-audio","tag-beaglebone","tag-botic","tag-i2s","tag-native-dsd","tag-v7"],"_links":{"self":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/5266","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/comments?post=5266"}],"version-history":[{"count":2,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/5266\/revisions"}],"predecessor-version":[{"id":7914,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/posts\/5266\/revisions\/7914"}],"wp:attachment":[{"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/media?parent=5266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/categories?post=5266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/y2tech.net\/blog\/wp-json\/wp\/v2\/tags?post=5266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}