esp8285: properly initialize free gpio as input (#7165)

d-a-v · web-flow · commit a04c3244d5bc · 2020-03-27T11:39:12.000+01:00
diff --git a/cores/esp8266/core_esp8266_wiring_digital.cpp b/cores/esp8266/core_esp8266_wiring_digital.cpp
@@ -236,12 +236,9 @@ extern void __attachInterrupt(uint8_t pin, voidFuncPtr userFunc, int mode)
 }
 
 extern void __resetPins() {
-  for (int i = 0; i <= 5; ++i) {
-    pinMode(i, INPUT);
-  }
-  // pins 6-11 are used for the SPI flash interface
-  for (int i = 12; i <= 16; ++i) {
-    pinMode(i, INPUT);
+  for (int i = 0; i <= 16; ++i) {
+    if (!isFlashInterfacePin(i))
+        pinMode(i, INPUT);
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -236,12 +236,9 @@ extern void __attachInterrupt(uint8_t pin, voidFuncPtr userFunc, int mode)`
`236`	`236`	`}`
`237`	`237`
`238`	`238`	`extern void __resetPins() {`
`239`		`- for (int i = 0; i <= 5; ++i) {`
`240`		`- pinMode(i, INPUT);`
`241`		`- }`
`242`		`- // pins 6-11 are used for the SPI flash interface`
`243`		`- for (int i = 12; i <= 16; ++i) {`
`244`		`- pinMode(i, INPUT);`
	`239`	`+ for (int i = 0; i <= 16; ++i) {`
	`240`	`+ if (!isFlashInterfacePin(i))`
	`241`	`+ pinMode(i, INPUT);`
`245`	`242`	`}`
`246`	`243`	`}`
`247`	`244`