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fix(i2s): add check for the tdm frame bits num

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laokaiyao
2024-12-23 12:22:23 +08:00
parent 7c6f50b744
commit 7086f4ca6d
8 changed files with 15 additions and 0 deletions
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4
components/esp_driver_i2s/i2s_tdm.c
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@@ -107,6 +107,10 @@ static esp_err_t i2s_tdm_set_slot(i2s_chan_handle_t handle, const i2s_tdm_slot_c
handle->total_slot = slot_cfg->total_slot < max_slot_num ? max_slot_num : slot_cfg->total_slot;
// At least two slots in a frame if not using PCM short format
handle->total_slot = ((handle->total_slot < 2) && (slot_cfg->ws_width != 1)) ? 2 : handle->total_slot;
uint32_t slot_bits = slot_cfg->slot_bit_width == I2S_SLOT_BIT_WIDTH_AUTO ? slot_cfg->data_bit_width : slot_cfg->slot_bit_width;
ESP_RETURN_ON_FALSE(handle->total_slot * slot_bits <= I2S_LL_SLOT_FRAME_BIT_MAX, ESP_ERR_INVALID_ARG, TAG,
"total slots(%"PRIu32") * slot_bit_width(%"PRIu32") exceeds the maximum %d",
handle->total_slot, slot_bits, (int)I2S_LL_SLOT_FRAME_BIT_MAX);
uint32_t buf_size = i2s_get_buf_size(handle, slot_cfg->data_bit_width, handle->dma.frame_num);
/* The DMA buffer need to re-allocate if the buffer size changed */
if (handle->dma.buf_size != buf_size) {