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save 192 RAM bytes when attachInterrupt unused #4601

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merged 4 commits into from
Apr 17, 2018
Merged

save 192 RAM bytes when attachInterrupt unused #4601

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aaa0987
save 192 RAM bytes when attachInterrupt unused
phoddie Jan 30, 2018
2a45f9f
Merge branch 'master' into master
devyte Apr 3, 2018
72b7448
Merge branch 'master' into master
devyte Apr 12, 2018
2bd478c
Merge branch 'master' into master
devyte Apr 13, 2018
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7 changes: 3 additions & 4 deletions cores/esp8266/core_esp8266_wiring_digital.c
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Original file line number Diff line number Diff line change
Expand Up @@ -161,6 +161,7 @@ extern void ICACHE_RAM_ATTR __attachInterruptArg(uint8_t pin, voidFuncPtr userFu
GPC(pin) &= ~(0xF << GPCI);//INT mode disabled
GPIEC = (1 << pin); //Clear Interrupt for this pin
GPC(pin) |= ((mode & 0xF) << GPCI);//INT mode "mode"
ETS_GPIO_INTR_ATTACH(interrupt_handler, &interrupt_reg);
ETS_GPIO_INTR_ENABLE();
}
}
Expand All @@ -180,7 +181,8 @@ extern void ICACHE_RAM_ATTR __detachInterrupt(uint8_t pin) {
handler->mode = 0;
handler->fn = 0;
handler->arg = 0;
ETS_GPIO_INTR_ENABLE();
if (interrupt_reg)
ETS_GPIO_INTR_ENABLE();
}
}

Expand All @@ -197,9 +199,6 @@ void initPins() {
for (int i = 12; i <= 16; ++i) {
pinMode(i, INPUT);
}

ETS_GPIO_INTR_ATTACH(interrupt_handler, &interrupt_reg);
ETS_GPIO_INTR_ENABLE();
}

extern void pinMode(uint8_t pin, uint8_t mode) __attribute__ ((weak, alias("__pinMode")));
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