i2c/sensiron_sht2x: extra dump with more detail.

Shows "hold" mode readings, as well as reading the serial out, a very
"non-register" style access.

Test host side code for the interested is at
https://github.com/karlp/libopencm3-tests/tree/master/tests/i2c-master;43a891d5cdd896d1f03fa834115f9a3e481f8683

diff --git a/i2c/sensirion_sht2x/README b/i2c/sensirion_sht2x/README
index 9b51b57886d2b2604b69a55b41a630d50865e93e..94c26956b368b1cddadf6cef18c7ea4e48baa495 100644 (file)
--- a/i2c/sensirion_sht2x/README
+++ b/i2c/sensirion_sht2x/README
@@ -20,8 +20,17 @@ The logic analyzer used was a USBee SX (at 8 MHz):
   2           SCL
 
 
-Data
-----
+sensirion_sht21_humidity35.sr
+-----------------------------
 
 The sensor reports a humidity of ca. 35 %RH.
 
+
+i2c-sht21-100khz-read-serial-hold.sr
+------------------------------------
+
+This file captures reading the version and serial, as well as using
+the "temp hold" and "humidity hold" reading styles. Notice SCL held low
+by the slave.
+
+Temperature is ~23C and RH ~50% and the serial number is "e4d2 0122 d208 0131".

diff --git a/i2c/sensirion_sht2x/i2c-sht21-100khz-read-serial-hold.sr b/i2c/sensirion_sht2x/i2c-sht21-100khz-read-serial-hold.sr
new file mode 100644 (file)
index 0000000..f7dc259
Binary files /dev/null and b/i2c/sensirion_sht2x/i2c-sht21-100khz-read-serial-hold.sr differ