lvgl_helpers: Let the SPI driver choose SPI DMA Channel
Use SPI_DMA_CH1 only on ESP32 target.
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@ -70,6 +70,14 @@ void lvgl_interface_init(void)
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ESP_LOGI(TAG, "Display buffer size: %d", lvgl_get_display_buffer_size());
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/* SPI DMA Channel selection
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* SPI_DMA_CH1 is only defined for ESP32, so let the driver choose which
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* channel to use, and use the proven channel 1 on esp32 targets */
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int dma_channel = SPI_DMA_CH_AUTO;
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#if defined (CONFIG_IDF_TARGET_ESP32)
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dma_channel = SPI_DMA_CH1;
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#endif
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#if defined (CONFIG_LV_TFT_DISPLAY_CONTROLLER_FT81X)
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ESP_LOGI(TAG, "Initializing SPI master for FT81X");
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@ -78,7 +86,7 @@ void lvgl_interface_init(void)
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lvgl_spi_driver_init(TFT_SPI_HOST,
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DISP_SPI_MISO, DISP_SPI_MOSI, DISP_SPI_CLK,
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spi_max_transfer_size, SPI_DMA_CH1,
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spi_max_transfer_size, dma_channel,
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DISP_SPI_IO2, DISP_SPI_IO3);
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disp_spi_add_device(TFT_SPI_HOST);
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@ -104,7 +112,7 @@ void lvgl_interface_init(void)
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lvgl_spi_driver_init(TFT_SPI_HOST,
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miso, DISP_SPI_MOSI, DISP_SPI_CLK,
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spi_max_transfer_size, SPI_DMA_CH1,
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spi_max_transfer_size, dma_channel,
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DISP_SPI_IO2, DISP_SPI_IO3);
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disp_spi_add_device(TFT_SPI_HOST);
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@ -125,9 +133,13 @@ void lvgl_interface_init(void)
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#if defined (CONFIG_LV_TOUCH_DRIVER_PROTOCOL_SPI)
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ESP_LOGI(TAG, "Initializing SPI master for touch");
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#if defined (CONFIG_IDF_TARGET_ESP32)
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dma_channel = SPI_DMA_CH2;
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#endif
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lvgl_spi_driver_init(TOUCH_SPI_HOST,
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TP_SPI_MISO, TP_SPI_MOSI, TP_SPI_CLK,
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DMA_DEFAULT_TRANSFER_SIZE, SPI_DMA_CH2,
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DMA_DEFAULT_TRANSFER_SIZE, dma_channel,
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GPIO_NOT_USED, GPIO_NOT_USED);
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tp_spi_add_device(TOUCH_SPI_HOST);
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@ -286,9 +298,6 @@ bool lvgl_spi_driver_init(spi_host_device_t host,
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};
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ESP_LOGI(TAG, "Initializing SPI bus...");
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#if defined (CONFIG_IDF_TARGET_ESP32C3)
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dma_channel = SPI_DMA_CH_AUTO;
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#endif
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#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 0)
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esp_err_t ret = spi_bus_initialize(host, &buscfg, (spi_dma_chan_t)dma_channel);
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