From a4801d7bd77f3760daa5c29f9669ccca8eb9c880 Mon Sep 17 00:00:00 2001 From: joan2937 Date: Wed, 3 Jul 2019 11:55:57 +0100 Subject: [PATCH] Update README.md --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index f7f6ae0..8727e74 100644 --- a/README.md +++ b/README.md @@ -3,11 +3,11 @@ pigpio is a C library for the Raspberry which allows control of the General Purpose Input Outputs (GPIO). -At the moment pigpio on the Pi4B is experimental. I am not sure if the DMA channels +**At the moment pigpio on the Pi4B is experimental. I am not sure if the DMA channels being used are safe. The Pi4B defaults are primary channel 7, secondary channel 6. If these channels do not work you will have to experiment. You can set the channels used by the pigpio daemon by invoking it with the -d and -e options, e.g. - sudo pigpiod -d 5 -e 8 to specify primary 5, secondary 8. + sudo pigpiod -d 5 -e 8 to specify primary 5, secondary 8.** ## Features