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Diffstat (limited to 'i2c/a0_dummy_write/README')
| -rw-r--r-- | i2c/a0_dummy_write/README | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/i2c/a0_dummy_write/README b/i2c/a0_dummy_write/README deleted file mode 100644 index d7fe4e7..0000000 --- a/i2c/a0_dummy_write/README +++ /dev/null @@ -1,36 +0,0 @@ -------------------------------------------------------------------------------- -Dummy I2C writes -------------------------------------------------------------------------------- - -This an example capture of some dummy I2C traffic, where the master writes -to a slave at address 0x51 (or 0x2a, if the read/write bit is included) -in an infinite loop. The slave does not respond. - - -Logic analyzer setup --------------------- - -The logic analyzer used for capturing was a ChronoVu LA8 at a sample rate -of 1MHz. The logic analyzer probes were connected to the I2C pins like this: - - Probe RTC chip pin - ------------------------ - 0 (green) SCL - 1 (orange) SDA - GND GND - - -Data ----- - -This is what the decoded data should look like: - - - S Wr:0xa2 A 0x55 A 0x66 A P - - - The abbreviations used above: S = Start, Wr = Write, A = ACK, P = Stop - -The sigrok command line used was: - - sigrok-cli -d 0:samplerate=1mhz --samples 8388608 \ - -p '1=SCL,2=SDA' -o a2_dummy_write.sr - |