X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=uart%2Fhello_world%2FREADME;h=57365d63825e30abfdc19362d0c8c1da03312535;hb=3052f4bb13d42c769baa5fc2f0512566ca60a0a0;hp=dd28a0f5d8305241148d378414ca1f2f36f44ea6;hpb=44f6cffb87b9e857f30602f904ef07e634cd5f11;p=sigrok-dumps.git diff --git a/uart/hello_world/README b/uart/hello_world/README index dd28a0f..57365d6 100644 --- a/uart/hello_world/README +++ b/uart/hello_world/README @@ -3,7 +3,8 @@ Hello World UART output using various options ------------------------------------------------------------------------------- This is a collection of example UART communication (only in one direction). -The repeatedly transmitted data is "Hello World!\r\n", using 8n1 settings. +The repeatedly transmitted data is "Hello World!\r\n", using various settings, +such as 8n1, 8o1, 8e1, 7o1, 7e1, etc. The hardware sending the data is an Olimex STM32-H103 eval kit with an ST STM32 (ARM Cortex-M3) microcontroller. The firmware used is based on a @@ -18,16 +19,12 @@ http://olimex.com/dev/stm32-h103.html Logic analyzer setup -------------------- -The logic analyzer used for capturing is a ChronoVu LA8 at a sample rate -of 5MHz (for baud rates 921600 - 230400), 1MHz (for 115200 - 19200), -and 625kHz (for baud rates 9600 - 1200). - -The ChronoVu LA8 probes were connected to the UART like this: +The logic analyzer used was a ChronoVu LA8 at a sample rate of 5MHz (for baud +rates 921600 - 230400), 1MHz (115200 - 19200), and 625kHz (9600 - 1200): Probe UART - ------------------- + ---------------- 0 (green) TX - GND GND Data