From b1c3bd9b61353bd547c9f46961390f5d8fc92c39 Mon Sep 17 00:00:00 2001 From: Uwe Hermann Date: Tue, 22 Nov 2011 23:47:07 +0100 Subject: Add a UART sample dump (115200, 8n1). --- uart/trekstor_ebr30_a/README | 47 +++++++++++++++++++++++++ uart/trekstor_ebr30_a/trekstor_ebr30_a_uart.sr | Bin 0 -> 9957 bytes 2 files changed, 47 insertions(+) create mode 100644 uart/trekstor_ebr30_a/README create mode 100644 uart/trekstor_ebr30_a/trekstor_ebr30_a_uart.sr (limited to 'uart/trekstor_ebr30_a') diff --git a/uart/trekstor_ebr30_a/README b/uart/trekstor_ebr30_a/README new file mode 100644 index 0000000..c77de4c --- /dev/null +++ b/uart/trekstor_ebr30_a/README @@ -0,0 +1,47 @@ +------------------------------------------------------------------------------- +TrekStor eBook Reader 3.0 UART +------------------------------------------------------------------------------- + +This is an example capture of the serial (UART) bootloader/firmware output on +a TrekStor eBook Reader 3.0 EBR30-a (Weltbild + Hugendubel Edition). + +For details on the device see: + + http://randomprojects.org/wiki/TrekStor_eBook_Reader_3.0_EBR30-a_(Weltbild_%2B_Hugendubel_Edition) + +The firmware sends the debug output at 115200 baud, with 8n1 settings. + + +Logic analyzer setup +-------------------- + +The logic analyzer used for capturing is a ChronoVu LA8 at a sample rate +of 1MHz. + +The ChronoVu LA8 probes were connected to the EBR30-a device like this: + + Probe EBR30-a + ------------------- + 1 (orange) TX + GND GND + + +Data +---- + +The sigrok command line used was: + + sigrok-cli -d 0:samplerate=1mhz --samples 8388608 \ + -p '1-8,2=TX' --wait-trigger --triggers 2=1 \ + -o trekstor_ebr30_a_uart.sr + +The capturing starts when the TX signal is high for the first time (it's low +before the device is powered-on). We capture as many samples as fit into the +8MByte buffer of the logic analyzer. + +The capture does not contain the complete bootloader/firmware output. + +For the full log see: + + http://randomprojects.org/wiki/TrekStor_eBook_Reader_3.0_EBR30-a_%28Weltbild_%2B_Hugendubel_Edition%29#UART + diff --git a/uart/trekstor_ebr30_a/trekstor_ebr30_a_uart.sr b/uart/trekstor_ebr30_a/trekstor_ebr30_a_uart.sr new file mode 100644 index 0000000..d9d87e6 Binary files /dev/null and b/uart/trekstor_ebr30_a/trekstor_ebr30_a_uart.sr differ -- cgit v1.2.3-54-g00ecf