rtc_dallas_ds1307: Add sigrok session file for demonstrating bugfixes. master
authorLibor Gabaj <libor.gabaj@gmail.com>
Sat, 2 Feb 2019 20:29:36 +0000 (21:29 +0100)
committerUwe Hermann <uwe@hermann-uwe.de>
Tue, 12 Feb 2019 17:08:26 +0000 (18:08 +0100)
- 12-hours mode
- PM flag
- 32768 Hz SQW

i2c/rtc_dallas_ds1307/README
i2c/rtc_dallas_ds1307/rtc_ds1307_500khz_sqw32khz_mode12h_pm.sr [new file with mode: 0644]

index 43971d0..20edc7e 100644 (file)
@@ -10,8 +10,8 @@ Details:
  - DS1307 datasheet: http://sparkfun.com/datasheets/Components/DS1307.pdf
 
 
-Logic analyzer setup
---------------------
+A. Logic analyzer setup
+-----------------------
 
 The logic analyzer used was Open Bench Logic Sniffer (at 200kHz):
 
@@ -21,8 +21,8 @@ The logic analyzer used was Open Bench Logic Sniffer (at 200kHz):
  1              SDA
 
 
-Data
-----
+rtc_ds1307_200khz_*.sr
+----------------------
 
 This is what the decoded data should look like:
 
@@ -42,3 +42,32 @@ The sigrok command line used was:
   sigrok-cli --driver=ols:conn=/dev/ttyACM0 -d samplerate=200khz \
              --samples=24576 -p 0=SCL,1=SDA --triggers SDA=0 -o <filename>
 
+
+B. Logic analyzer setup
+-----------------------
+
+The logic analyzer used is a Saleae Logic clone (at 500kHz):
+
+ Probe          DS1307 pin
+ -------------------------
+ D0 (CH1)       SCL
+ D1 (CH2)       SDA
+
+The sigrok 0.7.1 command line used:
+
+sigrok-cli --driver fx2lafw --channels D0=CLK,D1=DATA \
+           --config samplerate=500khz:captureratio=1 --samples 1000 \
+           --triggers CLK=1,DATA=f --output-file <filename>
+
+
+rtc_ds1307_500khz_sqw32khz_mode12h_pm.sr
+----------------------------------------
+
+The file provides reading of time keeping registers as well as control register
+of the RTC chip, which was setup to 12-hours mode, time with PM flag, and
+square wave frequency 32768 Hz before in order to demonstrate bugfixes
+in the following GitHub pull request for libsigrokdecode
+(merged as b3f6033022006c8f4ee88a70155f3571bee1a2ca):
+
+  https://github.com/sigrokproject/libsigrokdecode/pull/10
+
diff --git a/i2c/rtc_dallas_ds1307/rtc_ds1307_500khz_sqw32khz_mode12h_pm.sr b/i2c/rtc_dallas_ds1307/rtc_ds1307_500khz_sqw32khz_mode12h_pm.sr
new file mode 100644 (file)
index 0000000..30cbe7b
Binary files /dev/null and b/i2c/rtc_dallas_ds1307/rtc_ds1307_500khz_sqw32khz_mode12h_pm.sr differ