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Add esp_intr_set_in_iram

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A function to change "in IRAM" status for an existing interrupt handle, without going through free/allocate of the interrupt.
mOS HW timer implementation requires this to make HW timers safe to re-set from an IRAM ISR.
This commit is contained in:
Deomid Ryabkov
2017-11-09 14:21:39 +03:00
parent 582b731c23
commit e3282a0cac
2 changed files with 34 additions and 2 deletions
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17
components/esp32/include/esp_intr_alloc.h
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@@ -248,8 +248,8 @@ int esp_intr_get_intno(intr_handle_t handle);
esp_err_t esp_intr_disable(intr_handle_t handle);
/**
* @brief Ensable the interrupt associated with the handle
*
* @brief Enable the interrupt associated with the handle
*
* @note For local interrupts (ESP_INTERNAL_* sources), this function has to be called on the
* CPU the interrupt is allocated on. Other interrupts have no such restriction.
*
@@ -260,6 +260,19 @@ esp_err_t esp_intr_disable(intr_handle_t handle);
*/
esp_err_t esp_intr_enable(intr_handle_t handle);
/**
* @brief Set the "in IRAM" status of the handler.
*
* @note Does not work on shared interrupts.
*
* @param handle The handle, as obtained by esp_intr_alloc or esp_intr_alloc_intrstatus
* @param is_in_iram Whether the handler associated with this handle resides in IRAM.
* Handlers residing in IRAM can be called when cache is disabled.
*
* @return ESP_ERR_INVALID_ARG if the combination of arguments is invalid.
* ESP_OK otherwise
*/
esp_err_t esp_intr_set_in_iram(intr_handle_t handle, bool is_in_iram);
/**
* @brief Disable interrupts that aren't specifically marked as running from IRAM