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feat: migrate all large MCP server allocations and MP3 buffers to PSRAM (SPIRAM)

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This commit is contained in:
Adolfo Reyna
2026-06-27 10:04:30 -04:00
parent 0ae9b43f87
commit e0a92ea50e
2 changed files with 26 additions and 9 deletions
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Tactility/Source/mcp/McpSystem.cpp
+14 -6
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@@ -28,6 +28,14 @@ namespace tt::mcp {
static const auto LOGGER = Logger("McpSystem");
static void* psram_malloc(size_t size) {
void* ptr = heap_caps_malloc(size, MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
if (ptr != nullptr) {
return ptr;
}
return malloc(size);
}
#define AUDIO_SAMPLE_RATE 16000
#define AUDIO_BITS_PER_SAMPLE 16
#define AUDIO_CHUNK_SAMPLES 512
@@ -342,7 +350,7 @@ std::string getScreenshotPbmBase64() {
size_t header_size = 32;
size_t payload_size = row_bytes * state.drawHeight;
size_t pbm_size = header_size + payload_size;
uint8_t* pbm = (uint8_t*)malloc(pbm_size);
uint8_t* pbm = (uint8_t*)psram_malloc(pbm_size);
if (pbm == NULL) {
return "";
}
@@ -921,8 +929,8 @@ bool playMp3Memory(const uint8_t* data, size_t size, int volume, std::string& er
bool success = false;
bool decoded_audio = false;
mp3dec_t* decoder = (mp3dec_t*)malloc(sizeof(mp3dec_t));
mp3d_sample_t* pcm = (mp3d_sample_t*)malloc(
mp3dec_t* decoder = (mp3dec_t*)psram_malloc(sizeof(mp3dec_t));
mp3d_sample_t* pcm = (mp3d_sample_t*)psram_malloc(
MINIMP3_MAX_SAMPLES_PER_FRAME * sizeof(mp3d_sample_t)
);
int configured_rate = 0;
@@ -1000,14 +1008,14 @@ bool playMp3File(const std::string& filename, int volume, std::string& error) {
}
{
uint8_t* input = (uint8_t*)malloc(MP3_INPUT_BUFFER_SIZE);
uint8_t* input = (uint8_t*)psram_malloc(MP3_INPUT_BUFFER_SIZE);
if (input == NULL) {
set_error(error, "Out of memory for MP3 decoding");
goto done;
}
mp3dec_t* decoder = (mp3dec_t*)malloc(sizeof(mp3dec_t));
mp3d_sample_t* pcm = (mp3d_sample_t*)malloc(
mp3dec_t* decoder = (mp3dec_t*)psram_malloc(sizeof(mp3dec_t));
mp3d_sample_t* pcm = (mp3d_sample_t*)psram_malloc(
MINIMP3_MAX_SAMPLES_PER_FRAME * sizeof(mp3d_sample_t)
);
if (decoder == NULL || pcm == NULL) {