projects / sigrok-dumps.git / blame
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|---|---|---|
| f9eb559c UH |
1 | ------------------------------------------------------------------------------- |
| 2 | TrekStor eBook Reader 3.0 I2C | |
| 3 | ------------------------------------------------------------------------------- | |
| 4 | ||
| d9146492 UH |
5 | This is a set of example captures of the I2C traffic on a TrekStor eBook |
| 6 | Reader 3.0 EBR30-a (Weltbild + Hugendubel Edition) device. | |
| f9eb559c UH |
7 | |
| 8 | For details on the device see: | |
| 9 | ||
| 10 | http://randomprojects.org/wiki/TrekStor_eBook_Reader_3.0_EBR30-a_(Weltbild_%2B_Hugendubel_Edition) | |
| 11 | ||
| 12 | There are three chips which are connected to the main CPU's SCL/SDA pins. | |
| 13 | So far, it's unknown which device is responsible for which I2C output. | |
| 14 | ||
| 15 | ||
| d9146492 UH |
16 | trekstor_ebr30_a_i2c_0x15.sr |
| 17 | ---------------------------- | |
| f9eb559c | 18 | |
| d9146492 | 19 | The logic analyzer used for capturing was a ChronoVu LA8: |
| f9eb559c UH |
20 | |
| 21 | Probe I2C pin | |
| 22 | ------------------- | |
| 23 | 1 (orange) SCL | |
| 24 | 7 (yellow) SDA | |
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25 | |
| 26 | The sigrok command line used was: | |
| 27 | ||
| 28 | sigrok-cli -d 0:samplerate=4mhz --samples 8388608 \ | |
| 29 | -p '2=SCL,8=SDA' -o trekstor_ebr30_a_i2c_0x15.sr | |
| 30 | ||
| d9146492 UH |
31 | |
| 32 | trekstor_ebr30_a_i2c_30s.sr | |
| 33 | --------------------------- | |
| 34 | ||
| 35 | This is a 30 second dump of the I2C traffic while the device was attached | |
| 36 | to USB. | |
| 37 | ||
| 38 | The logic analyzer used for capturing was a Saleae Logic: | |
| 39 | ||
| 40 | Probe I2C pin | |
| 41 | ------------------- | |
| 42 | 4 (orange) SCL | |
| 43 | 6 (green) SDA | |
| 44 | ||
| 45 | The sigrok command line used was: | |
| 46 | ||
| 47 | sigrok-cli -d 0:samplerate=4mhz --time 120s | |
| 48 | -p '4=SCL,6=SDA' -o trekstor_ebr30_a_i2c_30s.sr | |
| 49 |