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

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

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6d93baa
feat(perimgr): add function to retrieve detaching CB
SuGlider Aug 7, 2025
7103ce8
feat(perimgr): add function to retrieve detaching CB
SuGlider Aug 7, 2025
4b1ddcf
fix(periman): function name is GET
SuGlider Aug 7, 2025
6334a02
fix(periman): function name is GET
SuGlider Aug 7, 2025
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10 changes: 9 additions & 1 deletion cores/esp32/esp32-hal-periman.c
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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
// retrns NULL is 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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