esp32/machine_hw_spi: Use automatic DMA channel selection for SPI on C3.

Addresses issue #8204.
micropython · Mar 21, 2022 · 09b55dc · 09b55dc
1 parent 1a0bd35
commit 09b55dc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ports/esp32/machine_hw_spi.c b/ports/esp32/machine_hw_spi.c
@@ -268,7 +268,7 @@ STATIC void machine_hw_spi_init_internal(
     // Select DMA channel based on the hardware SPI host
     int dma_chan = 0;
     if (self->host == HSPI_HOST) {
-        #if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3
+        #if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3
         dma_chan = 3;
         #else
         dma_chan = 1;