diff options
| author | Damien George <damien@micropython.org> | 2022-10-04 17:43:04 +1100 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2022-10-04 17:43:48 +1100 |
| commit | 95c614e2b60b5c1c83c85aefe88a2aadbf43b9ed (patch) | |
| tree | 20dc52972fdf1b6dc8c3b8936a7a81135b5d983d | |
| parent | 0e35c4de9b9d55f9288eeb908efd2f7f577dc13b (diff) | |
esp32/machine_hw_spi: Use auto DMA channel on S2, S3, C3 chips.
Auto DMA channel is supported in IDF v4.4, and is required to be used on S3
chips, so use this simpler configuration option where possible.
Fixes issue #8634.
Signed-off-by: Damien George <damien@micropython.org>
| -rw-r--r-- | ports/esp32/machine_hw_spi.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/ports/esp32/machine_hw_spi.c b/ports/esp32/machine_hw_spi.c index 05b1c871c..647874e17 100644 --- a/ports/esp32/machine_hw_spi.c +++ b/ports/esp32/machine_hw_spi.c @@ -267,21 +267,15 @@ STATIC void machine_hw_spi_init_internal( // Select DMA channel based on the hardware SPI host int dma_chan = 0; + #if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 + dma_chan = SPI_DMA_CH_AUTO; + #else if (self->host == HSPI_HOST) { - #if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3 - dma_chan = 3; - #else dma_chan = 1; - #endif - #ifdef FSPI_HOST - } else if (self->host == FSPI_HOST) { - dma_chan = 1; - #endif - #ifdef VSPI_HOST - } else if (self->host == VSPI_HOST) { + } else { dma_chan = 2; - #endif } + #endif ret = spi_bus_initialize(self->host, &buscfg, dma_chan); switch (ret) { |