safe frequency

moononournation · moononournation · commit 910fda0029f9 · 2025-04-26T11:59:48.000+08:00
diff --git a/src/databus/Arduino_ESP32LCD8.cpp b/src/databus/Arduino_ESP32LCD8.cpp
@@ -50,7 +50,7 @@ bool Arduino_ESP32LCD8::begin(int32_t speed, int8_t dataMode)
 {
   if (speed == GFX_NOT_DEFINED)
   {
-    _speed = 40000000UL;
+    _speed = 20000000UL; // safe frequency
   }
   else
   {
@@ -769,7 +769,7 @@ bool Arduino_ESP32LCD8::begin(int32_t speed, int8_t dataMode)
 {
   if (speed == GFX_NOT_DEFINED)
   {
-    _speed = 40000000UL;
+    _speed = 20000000UL; // safe frequency
   }
   else
   {

Original file line number	Diff line number	Diff line change
`@@ -50,7 +50,7 @@ bool Arduino_ESP32LCD8::begin(int32_t speed, int8_t dataMode)`
`50`	`50`	`{`
`51`	`51`	`if (speed == GFX_NOT_DEFINED)`
`52`	`52`	`{`
`53`		`- _speed = 40000000UL;`
	`53`	`+ _speed = 20000000UL; // safe frequency`
`54`	`54`	`}`
`55`	`55`	`else`
`56`	`56`	`{`
`@@ -769,7 +769,7 @@ bool Arduino_ESP32LCD8::begin(int32_t speed, int8_t dataMode)`
`769`	`769`	`{`
`770`	`770`	`if (speed == GFX_NOT_DEFINED)`
`771`	`771`	`{`
`772`		`- _speed = 40000000UL;`
	`772`	`+ _speed = 20000000UL; // safe frequency`
`773`	`773`	`}`
`774`	`774`	`else`
`775`	`775`	`{`