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fix(rmt): DMA descriptor alignment respect the cache line size

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morris
2024-01-05 11:18:03 +08:00
parent 86707a3af6
commit d97a46160d
9 changed files with 61 additions and 53 deletions
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components/esp_driver_rmt/src/rmt_encoder.c
+2 -2
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@@ -66,7 +66,7 @@ static size_t IRAM_ATTR rmt_encode_bytes(rmt_encoder_t *encoder, rmt_channel_han
// where to put the encoded symbols? DMA buffer or RMT HW memory
rmt_symbol_word_t *mem_to_nc = NULL;
if (channel->dma_chan) {
mem_to_nc = (rmt_symbol_word_t *)RMT_GET_NON_CACHE_ADDR(channel->dma_mem_base);
mem_to_nc = tx_chan->dma_mem_base_nc;
} else {
mem_to_nc = channel->hw_mem_base;
}
@@ -176,7 +176,7 @@ static size_t IRAM_ATTR rmt_encode_copy(rmt_encoder_t *encoder, rmt_channel_hand
// where to put the encoded symbols? DMA buffer or RMT HW memory
rmt_symbol_word_t *mem_to_nc = NULL;
if (channel->dma_chan) {
mem_to_nc = (rmt_symbol_word_t *)RMT_GET_NON_CACHE_ADDR(channel->dma_mem_base);
mem_to_nc = tx_chan->dma_mem_base_nc;
} else {
mem_to_nc = channel->hw_mem_base;
}