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rp2/CYW43: Use m_tracked_calloc and m_tracked_free for CYW43 malloc. #12647

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Oct 16, 2023
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rp2/CYW43: Use m_tracked_calloc and m_tracked_free for CYW43 malloc. #12647

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3 changes: 0 additions & 3 deletions ports/rp2/boards/RPI_PICO_W/mpconfigboard.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,6 @@

set(PICO_BOARD "pico_w")

# The C malloc is needed by cyw43-driver Bluetooth
set(MICROPY_C_HEAP_SIZE 4096)

set(MICROPY_PY_LWIP ON)
set(MICROPY_PY_NETWORK_CYW43 ON)

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9 changes: 5 additions & 4 deletions ports/rp2/cyw43_configport.h
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Expand Up @@ -90,13 +90,14 @@

#define cyw43_schedule_internal_poll_dispatch(func) pendsv_schedule_dispatch(PENDSV_DISPATCH_CYW43, func)

// Bluetooth uses the C heap to load its firmware (provided by pico-sdk).
// Space is reserved for this, see MICROPY_C_HEAP_SIZE.
// Bluetooth requires dynamic memory allocation to load its firmware (the allocation
// call is made from pico-sdk). This allocation is always done at thread-level, not
// from an IRQ, so is safe to delegate to the MicroPython GC heap.
#ifndef cyw43_malloc
#define cyw43_malloc malloc
#define cyw43_malloc(nmemb) m_tracked_calloc(nmemb, 1)
#endif
#ifndef cyw43_free
#define cyw43_free free
#define cyw43_free m_tracked_free
#endif

void cyw43_post_poll_hook(void);
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