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Add option to allocate external RAM using heap_alloc_caps

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This commit is contained in:
Jeroen Domburg
2017-09-05 17:29:57 +08:00
parent 538e9d83fc
commit 875ae6a134
12 changed files with 154 additions and 40 deletions
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4
components/heap/include/esp_heap_caps.h
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@@ -30,7 +30,8 @@
#define MALLOC_CAP_PID5 (1<<7) ///< Memory must be mapped to PID5 memory space (PIDs are not currently used)
#define MALLOC_CAP_PID6 (1<<8) ///< Memory must be mapped to PID6 memory space (PIDs are not currently used)
#define MALLOC_CAP_PID7 (1<<9) ///< Memory must be mapped to PID7 memory space (PIDs are not currently used)
#define MALLOC_CAP_SPISRAM (1<<10) ///< Memory must be in SPI SRAM
#define MALLOC_CAP_SPIRAM (1<<10) ///< Memory must be in SPI RAM
#define MALLOC_CAP_INTERNAL (1<<11) ///< Memory must be internal; specifically it should not disappear when flash/spiram cache is switched off
#define MALLOC_CAP_INVALID (1<<31) ///< Memory can't be used / list end marker
/**
@@ -48,6 +49,7 @@
*/
void *heap_caps_malloc(size_t size, uint32_t caps);
/**
* @brief Free memory previously allocated via heap_caps_malloc() or heap_caps_realloc().
*