OrgApache/incubator-nuttx
OrgApache
/
incubator-nuttx
mirror of https://github.com/apache/incubator-nuttx.git
1
0
Fork 0
Code Issues Releases Wiki Activity

drivers/lcd/pcf8574_lcd_backpack.c: increase delay for HOME and CLEAR instructions 

Some LCD1602 require at least 1.52 ms wait time after "Clear display" and
"Return home" instructions. Make sure we wait enough.
This commit is contained in:
Pierre-Olivier Vauboin 2020-03-18 15:39:04 +01:00 committed by Gregory Nutt
parent c683bce4cd
commit b9b7af1001
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/lcd/pcf8574_lcd_backpack.c
View File

@ -68,7 +68,7 @@
#define DELAY_US_NYBBLE0 20
#define DELAY_US_NYBBLE1 10
#define DELAY_US_WRITE 40
#define DELAY_US_HOMECLEAR 1500
#define DELAY_US_HOMECLEAR 2000
/* HD44780 commands */