diff options
| -rw-r--r-- | usb/lisa_m_usbhid/README | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/usb/lisa_m_usbhid/README b/usb/lisa_m_usbhid/README index c8db2cb..95a02e2 100644 --- a/usb/lisa_m_usbhid/README +++ b/usb/lisa_m_usbhid/README @@ -3,17 +3,23 @@ Lisa/M USB HID example (USB Full-Speed and SPI) ------------------------------------------------------------------------------- This capture is taken from the libopencm3 example for a USB HID device on the -Paparazzi Lisa/M board. In this applicaton an SPI accellerometer is read and +Paparazzi Lisa/M board. In this applicaton an SPI accellerometer is read and the values are transmitted on a USB IN endpoint as mouse movement. -Logic Analyser setup +Details: +http://libopencm3.org +http://libopencm3.git.sourceforge.net/git/gitweb.cgi?p=libopencm3/libopencm3;a=tree;f=examples/stm32/f1/lisa-m/usb_hid +http://paparazzi.enac.fr/wiki/User/LisaM + + +Logic analyser setup -------------------- -The capture was taken using the Openbench Logic Sniffer at a sample rate +The capture was taken using the Openbench Logic Sniffer at a sample rate of 50MHz. Probe Signal - ------------------- + --------------- 0 USB_DM 1 USB_DP 2 SPI_NCS @@ -28,5 +34,5 @@ sigrok-cli -d 0:samplerate=50mhz:rle=on \ --time=50ms -o lisa_m_usb_spi.sr The OLS can't actually capture 50ms, so it just captures as much as it can -buffer. No triggering was used. +buffer. No triggering was used. |