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cpu/stm32/periph_spi: only perform DMA transfer above threshold

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This commit is contained in:
Benjamin Valentin 2023-12-23 17:36:30 +01:00
parent fbeb1f9a26
commit 753fae6936
1 changed files with 1 additions and 1 deletions
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2
cpu/stm32/periph/spi.c
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@ -390,7 +390,7 @@ void spi_transfer_bytes(spi_t bus, spi_cs_t cs, bool cont,
}
#ifdef MODULE_PERIPH_DMA
if (_use_dma(&spi_config[bus])) {
if (_use_dma(&spi_config[bus]) && len > CONFIG_SPI_DMA_THRESHOLD_BYTES) {
_transfer_dma(bus, out, in, len);
}
else {