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Only allocate MFIFO queue in multicore, 32B saved #3149

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Merged
merged 1 commit into from
Sep 23, 2025
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Only allocate MFIFO queue in multicore, 32B saved #3149

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3 changes: 2 additions & 1 deletion cores/rp2040/RP2040Support.h
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,7 @@ class _MFIFO {
return;
}
mutex_init(&_idleMutex);
_queue = (queue_t *)calloc(2, sizeof(queue_t));
queue_init(&_queue[0], sizeof(uint32_t), FIFOCNT);
queue_init(&_queue[1], sizeof(uint32_t), FIFOCNT);
_multicore = true;
Expand Down Expand Up @@ -168,7 +169,7 @@ class _MFIFO {

bool _multicore = false;
mutex_t _idleMutex;
queue_t _queue[2];
queue_t *_queue; // Only allocated as [2] if multicore
static constexpr uint32_t _GOTOSLEEP = 0xC0DED02E;
};

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