Merge branch 'bugfix/revise_spi_dma_channel' into 'master'

bus: revise spi dma channel for idf v4.3

See merge request rd/esp-iot-solution!529

Author: zhanzhaocheng

components/bus/spi_bus.c

@@ -69,8 +69,12 @@ spi_bus_handle_t spi_bus_create(spi_host_device_t host_id, const spi_config_t *b
         .quadhd_io_num = -1,
         .max_transfer_sz = bus_conf->max_transfer_sz,
     };
+#if (ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 0))
+    esp_err_t ret = spi_bus_initialize(host_id, &buscfg, SPI_DMA_CH_AUTO);
+#else
     int dma_chan = host_id; //set dma channel equals to host_id by default
     esp_err_t ret = spi_bus_initialize(host_id, &buscfg, dma_chan);
+#endif
     SPI_BUS_CHECK(ESP_OK == ret, "spi bus create failed", NULL);
     s_spi_bus[index].host_id = host_id;
     memcpy(&s_spi_bus[index].conf, &buscfg, sizeof(spi_bus_config_t));
@@ -199,7 +203,7 @@ esp_err_t spi_bus_transfer_bytes(spi_bus_device_handle_t dev_handle, const uint8
     return ESP_OK;
 }
 
- /**************************************** Public Functions (Low level)*********************************************/
+/**************************************** Public Functions (Low level)*********************************************/
 
 esp_err_t spi_bus_transmit_begin(spi_bus_device_handle_t dev_handle, spi_transaction_t *p_trans)
 {