From: Ben Dooks <redacted>
Date: Fri, 17 May 2019 16:58:08 +0000 (+0100)
Subject: Add two TDM audio samples
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=89a0671b9f4c636fa99d72291d3e3878afc355d5;p=sigrok-dumps.git

Add two TDM audio samples
---

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
new file mode 100644
index 0000000..87dc181
Binary files /dev/null and b/tdm_audio/tdm-4ch-16bit-cap1.sr differ
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
Binary files /dev/null and b/tdm_audio/tdm-8ch-16bit-cap1.sr differ