Change Pin Interrupt Allocator
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28b7b4e287
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@ -24,8 +24,6 @@
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#include "soc/gpio_struct.h"
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#include "soc/rtc_io_reg.h"
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#define ETS_GPIO_INUM 12
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const int8_t esp32_adc2gpio[20] = {36, -1, -1, 39, 32, 33, 34, 35, -1, -1, 4, 0, 2, 15, 13, 12, 14, 27, 25, 26};
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const DRAM_ATTR esp32_gpioMux_t esp32_gpioMux[GPIO_PIN_COUNT]={
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@ -193,6 +191,7 @@ extern int IRAM_ATTR __digitalRead(uint8_t pin)
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return 0;
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}
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static intr_handle_t gpio_intr_handle = NULL;
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static void IRAM_ATTR __onPinInterrupt(void *arg)
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{
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@ -229,38 +228,29 @@ static void IRAM_ATTR __onPinInterrupt(void *arg)
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extern void __attachInterrupt(uint8_t pin, voidFuncPtr userFunc, int intr_type)
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{
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static bool interrupt_initialized = false;
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static int core_id = 0;
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if(!interrupt_initialized) {
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interrupt_initialized = true;
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core_id = xPortGetCoreID();
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ESP_INTR_DISABLE(ETS_GPIO_INUM);
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intr_matrix_set(core_id, ETS_GPIO_INTR_SOURCE, ETS_GPIO_INUM);
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xt_set_interrupt_handler(ETS_GPIO_INUM, &__onPinInterrupt, NULL);
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ESP_INTR_ENABLE(ETS_GPIO_INUM);
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esp_intr_alloc(ETS_GPIO_INTR_SOURCE, (int)ESP_INTR_FLAG_IRAM, __onPinInterrupt, NULL, &gpio_intr_handle);
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}
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__pinInterruptHandlers[pin] = userFunc;
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//lock gpio
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ESP_INTR_DISABLE(ETS_GPIO_INUM);
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if(core_id) { //APP_CPU
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esp_intr_disable(gpio_intr_handle);
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if(esp_intr_get_cpu(gpio_intr_handle)) { //APP_CPU
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GPIO.pin[pin].int_ena = 1;
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} else { //PRO_CPU
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GPIO.pin[pin].int_ena = 4;
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}
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GPIO.pin[pin].int_type = intr_type;
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ESP_INTR_ENABLE(ETS_GPIO_INUM);
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//unlock gpio
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esp_intr_enable(gpio_intr_handle);
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}
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extern void __detachInterrupt(uint8_t pin)
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{
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//lock gpio
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ESP_INTR_DISABLE(ETS_GPIO_INUM);
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esp_intr_disable(gpio_intr_handle);
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__pinInterruptHandlers[pin] = NULL;
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GPIO.pin[pin].int_ena = 0;
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GPIO.pin[pin].int_type = 0;
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ESP_INTR_ENABLE(ETS_GPIO_INUM);
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//unlock gpio
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esp_intr_enable(gpio_intr_handle);
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}
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