djsundog
/
circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

esp32/main: Automatically size SPIRAM heap when allocated using malloc. 

This change allows the same heap allocation rules to be used when using
malloc regardless if the board has SPRAM or normal RAM.

Integrating with the esp32-camera for example requires that ESP32 SPRAM be
allocatable using the esp-idf capabilities aware allocation functions.  In
the case of esp32-camera it's for the framebuffer.

Detect when CONFIG_SPIRAM_USE_MALLOC is in use and use the standard
automatic configuration of leaving 1/2 of the SPRAM available to other
FreeRTOS tasks.
This commit is contained in:
Michael O'Cleirigh 2022-01-28 00:35:53 -05:00 committed by Damien George
parent 1f04a9a1fc
commit eae2e3516c
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
ports/esp32/main.c
View File

@ -100,7 +100,10 @@ void mp_task(void *pvParameter) {
size_t mp_task_heap_size;
void *mp_task_heap = NULL;
#if CONFIG_ESP32_SPIRAM_SUPPORT
#if CONFIG_SPIRAM_USE_MALLOC
// SPIRAM is issued using MALLOC, fallback to normal allocation rules
mp_task_heap = NULL;
#elif CONFIG_ESP32_SPIRAM_SUPPORT
// Try to use the entire external SPIRAM directly for the heap
mp_task_heap = (void *)SOC_EXTRAM_DATA_LOW;
switch (esp_spiram_get_chip_size()) {