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authorBen Dooks <ben-linux@fluff.org>2019-05-17 17:58:08 +0100
committerUwe Hermann <uwe@hermann-uwe.de>2019-11-24 19:27:36 +0100
commit89a0671b9f4c636fa99d72291d3e3878afc355d5 (patch)
tree8f1e578c6623335f672decdc7d9dfba3515dc32b
parent3ae62781c8d00494664b0ac62276997e33b77393 (diff)
downloadsigrok-dumps-89a0671b9f4c636fa99d72291d3e3878afc355d5.tar.gz
sigrok-dumps-89a0671b9f4c636fa99d72291d3e3878afc355d5.zip
Add two TDM audio samples
-rw-r--r--tdm_audio/README35
-rw-r--r--tdm_audio/tdm-4ch-16bit-cap1.srbin0 -> 1053 bytes
-rw-r--r--tdm_audio/tdm-8ch-16bit-cap1.srbin0 -> 961 bytes
3 files changed, 35 insertions, 0 deletions
diff --git a/tdm_audio/README b/tdm_audio/README
new file mode 100644
index 0000000..c49e8ff
--- /dev/null
+++ b/tdm_audio/README
@@ -0,0 +1,35 @@
+-------------------------------------------------------------------------------
+TDM Audio
+-------------------------------------------------------------------------------
+
+This is a set of captures of TDM audio.
+
+Details:
+https://hackaday.io/project/2984-teensy-audio-library/log/57537-tdm-support-for-many-channel-audio-io
+https://www.analog.com/media/en/technical-documentation/technical-articles/MS-2275.pdf
+
+
+Logic analyser setup
+--------------------
+
+The logic analyser used was a Saleae Logic16 (at 50MHz):
+
+ Probe TDM Audio
+ ---------------------
+ 3 Bitclk
+ 2 Framesync
+ 1 Data
+
+
+tdm-4ch-16bit-cap1.sr
+---------------------
+
+4 channels, 16 bits per sample.
+Data is set of 0x1100 0x3322 0x5544 0x7766 0x9988 0xbbaa 0xddcc 0xffee.
+
+
+tdm-8ch-16bit-cap1.sr
+---------------------
+
+8 channels, 16 bits per sample
+Data is byte 0x12 repeated.
diff --git a/tdm_audio/tdm-4ch-16bit-cap1.sr b/tdm_audio/tdm-4ch-16bit-cap1.sr
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index 0000000..87dc181
--- /dev/null
+++ b/tdm_audio/tdm-4ch-16bit-cap1.sr
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diff --git a/tdm_audio/tdm-8ch-16bit-cap1.sr b/tdm_audio/tdm-8ch-16bit-cap1.sr
new file mode 100644
index 0000000..24089f2
--- /dev/null
+++ b/tdm_audio/tdm-8ch-16bit-cap1.sr
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