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esp_himem_free_map_range() function
Free a mapping range This clears out the associated handle making the range available for re-allocation again. This will only succeed if none of the range blocks currently are used for a mapping.
Syntax
Implemented in ![]()
esp_himem.c:281
Return value
- ESP_OK if the memory is succesfully freed - ESP_ERR_INVALID_ARG if the handle still is (partially) mapped to
Related Functions
Found 3 other functions taking a ![]()
esp_himem_rangedata_t
argument:
Function
Description
Map a block of high memory into the CPUs address space This effectively makes the block available for read/write operations.
Unmap a region
Allocate a memory region to map blocks into This allocates a contiguous CPU memory region that can be used to map blocks of physical memory into.