sergiotarxz/nuttx
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3 Commits

Author SHA1 Message Date
raiden00pl
4db39d7afd drivers/rtt: make RTT console optional 2023-09-29 13:00:06 +08:00
Xiang Xiao
dbd13c2aca drivers/segger: Rename serial device from /dev/rttx to /dev/ttyRx 
follow the serial driver naming convention

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-07-15 18:38:08 -03:00
yinshengkai
9c6f48e57b drivers/segger: add RTT serial support 
usage:
  1. Connect Jlink, start JLinkGDBServer
     JLinkGDBServer -if SWD -device stm32h743zi -speed 16000
  2. Listen to the RTT port data and forward it to the virtual serial port
     sudo socat -d -d PTY,link=/dev/ttyRTT0,raw,ignoreeof TCP:127.0.0.1:19021,reuseaddr
  3. Read serial data
     minicom -D /dev/ttyRTT0

Performance:(STM32H743, 400MHZ)
time "dd if=/dev/zero of=/dev/console bs=512 count=2048"
6.67 sec  157KB/s

Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
 2023-07-12 09:54:50 +08:00