From fea72abe5848e94fdc48442f448579a82e639e20 Mon Sep 17 00:00:00 2001 From: Jon Nordby Date: Thu, 17 Apr 2025 21:23:18 +0100 Subject: uart-3mb: Update README with RPI stuff --- uart_benchmark_3_megabaud/README | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/uart_benchmark_3_megabaud/README b/uart_benchmark_3_megabaud/README index f015872..e12667f 100644 --- a/uart_benchmark_3_megabaud/README +++ b/uart_benchmark_3_megabaud/README @@ -2,3 +2,8 @@ time timeout 30 picocom -b 3000000 /dev/ttyUSB1 | pv > U.txt hexdump -C U.txt + +## Raspberry PI + +When using RPI, the default UART (ttyS0/UART0) cannot reliably receive 3 Mbaud/s. +Instead one must switch to UART1 / ttyAMA0, by using `dtoverlay=miniuart-bt`. -- cgit v1.2.3