fix scheduled interrupt esp8266#4609

d-a-v · d-a-v · commit 39fd2dacce4b · 2018-07-02T10:53:52.000+02:00
(fix proposed by @shimarin, verified by @marcvtew esp8266#4866)
diff --git a/cores/esp8266/core_esp8266_wiring_digital.c b/cores/esp8266/core_esp8266_wiring_digital.c
@@ -147,7 +147,7 @@ void ICACHE_RAM_ATTR interrupt_handler(void *arg) {
       // we disable them before we call the client ISR
       uint32_t savedPS = xt_rsil(15); // stop other interrupts
       ArgStructure* localArg = (ArgStructure*)handler->arg;
-      if (localArg->interruptInfo)
+      if (localArg && localArg->interruptInfo)
       {
          localArg->interruptInfo->pin = i;
          localArg->interruptInfo->value = __digitalRead(i);

Original file line number	Diff line number	Diff line change
`@@ -147,7 +147,7 @@ void ICACHE_RAM_ATTR interrupt_handler(void *arg) {`
`147`	`147`	`// we disable them before we call the client ISR`
`148`	`148`	`uint32_t savedPS = xt_rsil(15); // stop other interrupts`
`149`	`149`	`ArgStructure* localArg = (ArgStructure*)handler->arg;`
`150`		`- if (localArg->interruptInfo)`
	`150`	`+ if (localArg && localArg->interruptInfo)`
`151`	`151`	`{`
`152`	`152`	`localArg->interruptInfo->pin = i;`
`153`	`153`	`localArg->interruptInfo->value = __digitalRead(i);`