feat(perimgr): add function to retrieve detaching CB #11700

Original file line number	Diff line number	Diff line change
Expand Up		@@ -16,7 +16,7 @@ typedef struct ATTR_PACKED {
		int8_t bus_channel;
		} peripheral_pin_item_t;

	static peripheral_bus_deinit_cb_t deinit_functions[ESP32_BUS_TYPE_MAX];
	static peripheral_bus_deinit_cb_t deinit_functions[ESP32_BUS_TYPE_MAX] = {NULL};
		static peripheral_pin_item_t pins[SOC_GPIO_PIN_COUNT];

		#define GPIO_NOT_VALID(p) ((p >= SOC_GPIO_PIN_COUNT) \|\| ((SOC_GPIO_VALID_GPIO_MASK & (1ULL << p)) == 0))
Expand Down Expand Up		@@ -236,6 +236,14 @@ bool perimanSetBusDeinit(peripheral_bus_type_t type, peripheral_bus_deinit_cb_t
		return true;
		}

	peripheral_bus_deinit_cb_t perimanGetBusDeinit(peripheral_bus_type_t type) {
	if (type >= ESP32_BUS_TYPE_MAX \|\| type == ESP32_BUS_TYPE_INIT) {
	log_e("Invalid type: %s (%u)", perimanGetTypeName(type), (unsigned int)type);
	return NULL;
	}
	return deinit_functions[type];
	}

		bool perimanPinIsValid(uint8_t pin) {
		return !(GPIO_NOT_VALID(pin));
		}

4 changes: 4 additions & 0 deletions cores/esp32/esp32-hal-periman.h

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -134,6 +134,10 @@ int8_t perimanGetPinBusChannel(uint8_t pin);
		// Sets the peripheral destructor callback. Used to destroy bus when pin is assigned another function
		bool perimanSetBusDeinit(peripheral_bus_type_t type, peripheral_bus_deinit_cb_t cb);

	// Get the peripheral destructor callback. It allows changing/restoring the peripheral pin function detaching, if necessary
	// returns NULL if none is set
	peripheral_bus_deinit_cb_t perimanGetBusDeinit(peripheral_bus_type_t type);

		// Check if given pin is a valid GPIO number
		bool perimanPinIsValid(uint8_t pin);

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