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esp_wifi: Add API to get available internal heap size

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zhangyanjiao
2020-07-08 20:44:42 +08:00
parent 9ff108dcd0
commit 85ca89ee4a
3 changed files with 16 additions and 1 deletions
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2
components/esp32/esp_adapter.c
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@@ -555,7 +555,7 @@ wifi_osi_funcs_t g_wifi_osi_funcs = {
._task_get_max_priority = task_get_max_priority_wrapper, ._task_get_max_priority = task_get_max_priority_wrapper,
._malloc = malloc, ._malloc = malloc,
._free = free, ._free = free,
._get_free_heap_size = esp_get_free_heap_size, ._get_free_heap_size = esp_get_free_internal_heap_size,
._rand = esp_random, ._rand = esp_random,
._dport_access_stall_other_cpu_start_wrap = esp_dport_access_stall_other_cpu_start_wrap, ._dport_access_stall_other_cpu_start_wrap = esp_dport_access_stall_other_cpu_start_wrap,
._dport_access_stall_other_cpu_end_wrap = esp_dport_access_stall_other_cpu_end_wrap, ._dport_access_stall_other_cpu_end_wrap = esp_dport_access_stall_other_cpu_end_wrap,

10
components/esp32/include/esp_system.h
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@@ -130,6 +130,16 @@ uint32_t system_get_time(void) __attribute__ ((deprecated));
*/ */
uint32_t esp_get_free_heap_size(void); uint32_t esp_get_free_heap_size(void);
/**
* @brief Get the size of available internal heap.
*
* Note that the returned value may be larger than the maximum contiguous block
* which can be allocated.
*
* @return Available internal heap size, in bytes.
*/
uint32_t esp_get_free_internal_heap_size(void);
/** @cond */ /** @cond */
/** /**
* @brief Get the size of available heap. * @brief Get the size of available heap.

5
components/esp32/system_api.c
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@@ -338,6 +338,11 @@ uint32_t esp_get_free_heap_size( void )
return heap_caps_get_free_size( MALLOC_CAP_DEFAULT ); return heap_caps_get_free_size( MALLOC_CAP_DEFAULT );
} }
uint32_t esp_get_free_internal_heap_size( void )
{
return heap_caps_get_free_size( MALLOC_CAP_8BIT | MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL );
}
uint32_t esp_get_minimum_free_heap_size( void ) uint32_t esp_get_minimum_free_heap_size( void )
{ {
return heap_caps_get_minimum_free_size( MALLOC_CAP_DEFAULT ); return heap_caps_get_minimum_free_size( MALLOC_CAP_DEFAULT );