From f08a0c5e93b92a6efa72d16a3d53968f3e54bf1c Mon Sep 17 00:00:00 2001 From: Kevin O'Connor Date: Fri, 22 Jun 2018 22:07:48 -0400 Subject: lcd_st7920: Use a longer delay at the start of each command/data It appears the st7920 requires a longer delay when switching from command to data mode (and vice-versa). Slower MCUs don't show a problem because the klipper command processing time results in a sufficient delay. However, some of the faster MCUs can process klipper commands fast enough that the next st7920 transfer is sent too fast. Add an additional delay to account for this. Signed-off-by: Kevin O'Connor --- config/example-extras.cfg | 4 ---- 1 file changed, 4 deletions(-) (limited to 'config/example-extras.cfg') diff --git a/config/example-extras.cfg b/config/example-extras.cfg index 1398f992..81231f75 100644 --- a/config/example-extras.cfg +++ b/config/example-extras.cfg @@ -539,10 +539,6 @@ #sid_pin: # The pins connected to an st7920 type lcd. These parameters must be # provided when using an st7920 display. -#chip_delay: -# This parameter specifies the internal command delay (in seconds) -# on st7920 displays. It may be necessary to increase this if the -# display shows garbled data. The default is 0.000020. # Custom thermistors (one may define any number of sections with a -- cgit v1.2.3-70-g09d2