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ISR: check for address in IRAM #5995

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merged 2 commits into from
Apr 19, 2019
Merged

ISR: check for address in IRAM #5995

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ISR: check for address in IRAM
d-a-v Apr 17, 2019
d4b4f03
Merge branch 'master' into checkiram
d-a-v Apr 19, 2019
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10 changes: 10 additions & 0 deletions cores/esp8266/core_esp8266_wiring_digital.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -171,6 +171,16 @@ void ICACHE_RAM_ATTR interrupt_handler(void *arg) {
extern void cleanupFunctional(void* arg);

extern void ICACHE_RAM_ATTR __attachInterruptArg(uint8_t pin, voidFuncPtr userFunc, void *arg, int mode) {

// #5780
// https://github.com/esp8266/esp8266-wiki/wiki/Memory-Map
if ((uint32_t)userFunc >= 0x40200000)
{
// ISR not in IRAM
::printf((PGM_P)F("ISR not in IRAM!\r\n"));
abort();
}

if(pin < 16) {
ETS_GPIO_INTR_DISABLE();
interrupt_handler_t *handler = &interrupt_handlers[pin];
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