esp32/machine_sdcard: Change dma_channel to SPI_DMA_CH_AUTO for ESP32S3.

Specifying DMA channel 2 causes an "invalid dma channel" error. In ESP-IDF, the only available channel for ESP32S3 is SPI_DMA_CH_AUTO=3.
2023-01-13 15:24:15 +09:00 · 2023-01-13 15:24:15 +09:00 · fb0dd86b39
commit fb0dd86b39
parent 67097d8c2b
1 changed files with 1 additions and 1 deletions
--- a/ports/esp32/machine_sdcard.c
+++ b/ports/esp32/machine_sdcard.c
@ -211,7 +211,7 @@ STATIC mp_obj_t machine_sdcard_make_new(const mp_obj_type_t *type, size_t n_args
                .gpio_cs = GPIO_NUM_34,
                .gpio_cd = SDSPI_SLOT_NO_CD,
                .gpio_wp = SDSPI_SLOT_NO_WP,
-                .dma_channel = 2
+                .dma_channel = SPI_DMA_CH_AUTO
            },
            SDSPI_SLOT_CONFIG_DEFAULT()
        };