diff options
| -rw-r--r-- | ports/rp2/boards/RPI_PICO_W/mpconfigboard.cmake | 3 | ||||
| -rw-r--r-- | ports/rp2/cyw43_configport.h | 9 |
2 files changed, 5 insertions, 7 deletions
diff --git a/ports/rp2/boards/RPI_PICO_W/mpconfigboard.cmake b/ports/rp2/boards/RPI_PICO_W/mpconfigboard.cmake index 5610c313e..cea6c38d7 100644 --- a/ports/rp2/boards/RPI_PICO_W/mpconfigboard.cmake +++ b/ports/rp2/boards/RPI_PICO_W/mpconfigboard.cmake @@ -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) diff --git a/ports/rp2/cyw43_configport.h b/ports/rp2/cyw43_configport.h index 929d83537..8f64762df 100644 --- a/ports/rp2/cyw43_configport.h +++ b/ports/rp2/cyw43_configport.h @@ -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); |