projects / sigrok-dumps.git / blame
| Commit | Line | Data |
|---|---|---|
| 2e895291 GM |
1 | ------------------------------------------------------------------------------- |
| 2 | Lisa/M USB HID example (USB Full-Speed and SPI) | |
| 3 | ------------------------------------------------------------------------------- | |
| 4 | ||
| 5 | This capture is taken from the libopencm3 example for a USB HID device on the | |
| 6 | Paparazzi Lisa/M board. In this applicaton an SPI accellerometer is read and | |
| 7 | the values are transmitted on a USB IN endpoint as mouse movement. | |
| 8 | ||
| 9 | Logic Analyser setup | |
| 10 | -------------------- | |
| 11 | ||
| 12 | The capture was taken using the Openbench Logic Sniffer at a sample rate | |
| 13 | of 50MHz. | |
| 14 | ||
| 15 | Probe Signal | |
| 16 | ------------------- | |
| 17 | 0 USB_DM | |
| 18 | 1 USB_DP | |
| 19 | 2 SPI_NCS | |
| 20 | 3 SPI_SCK | |
| 21 | 4 SPI_MOSI | |
| 22 | 5 SPI_MISO | |
| 23 | ||
| 24 | The command line used was: | |
| 25 | ||
| 26 | sigrok-cli -d 0:samplerate=50mhz:rle=on \ | |
| 27 | -p 1=USB_DM,2=USB_DP,3=SPI_NCS,4=SPI_SCK,5=SPI_MOSI,6=SPI_MISO \ | |
| 28 | --time=50ms -o lisa_m_usb_spi.sr | |
| 29 | ||
| 30 | The OLS can't actually capture 50ms, so it just captures as much as it can | |
| 31 | buffer. No triggering was used. | |
| 32 |