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bsp: Added support for IDF v4.4 into ESP-BOX-Lite
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /* | ||
| * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
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| #include "esp_err.h" | ||
| #include "bsp/esp-box-lite.h" | ||
| #include "bsp_err_check.h" | ||
| #include "esp_codec_dev_defaults.h" | ||
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| static const char *TAG = "ESP-BOX"; | ||
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| /* This configuration is used by default in bsp_audio_init() */ | ||
| #define BSP_I2S_DUPLEX_MONO_CFG(_sample_rate) \ | ||
| { \ | ||
| .mode = I2S_MODE_MASTER | I2S_MODE_TX | I2S_MODE_RX, \ | ||
| .sample_rate = _sample_rate, \ | ||
| .bits_per_sample = I2S_BITS_PER_SAMPLE_16BIT, \ | ||
| .channel_format = I2S_CHANNEL_FMT_ONLY_LEFT, \ | ||
| .communication_format = I2S_COMM_FORMAT_STAND_I2S, \ | ||
| .dma_buf_count = 3, \ | ||
| .dma_buf_len = 1024, \ | ||
| .use_apll = true, \ | ||
| .tx_desc_auto_clear = true, \ | ||
| .intr_alloc_flags = ESP_INTR_FLAG_LEVEL2 | ESP_INTR_FLAG_IRAM \ | ||
| } | ||
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| static const audio_codec_data_if_t *i2s_data_if = NULL; /* Codec data interface */ | ||
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| esp_err_t bsp_audio_init(const i2s_config_t *i2s_config) | ||
| { | ||
| esp_err_t ret = ESP_FAIL; | ||
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| if (i2s_data_if != NULL) { | ||
| /* Audio was initialized before */ | ||
| return ESP_OK; | ||
| } | ||
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| /* Setup I2S peripheral */ | ||
| const i2s_pin_config_t i2s_pin_config = { | ||
| .mck_io_num = BSP_I2S_MCLK, | ||
| .bck_io_num = BSP_I2S_SCLK, | ||
| .ws_io_num = BSP_I2S_LCLK, | ||
| .data_out_num = BSP_I2S_DOUT, | ||
| .data_in_num = BSP_I2S_DSIN | ||
| }; | ||
|
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| /* Setup I2S channels */ | ||
| const i2s_config_t std_cfg_default = BSP_I2S_DUPLEX_MONO_CFG(22050); | ||
| const i2s_config_t *p_i2s_cfg = &std_cfg_default; | ||
| if (i2s_config != NULL) { | ||
| p_i2s_cfg = i2s_config; | ||
| } | ||
|
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| ESP_ERROR_CHECK(i2s_driver_install(CONFIG_BSP_I2S_NUM, p_i2s_cfg, 0, NULL)); | ||
| ESP_GOTO_ON_ERROR(i2s_set_pin(CONFIG_BSP_I2S_NUM, &i2s_pin_config), err, TAG, "I2S set pin failed"); | ||
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| audio_codec_i2s_cfg_t i2s_cfg = { | ||
| .port = CONFIG_BSP_I2S_NUM, | ||
| }; | ||
| i2s_data_if = audio_codec_new_i2s_data(&i2s_cfg); | ||
| BSP_NULL_CHECK_GOTO(i2s_data_if, err); | ||
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| return ESP_OK; | ||
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| err: | ||
| i2s_driver_uninstall(CONFIG_BSP_I2S_NUM); | ||
| return ret; | ||
| } | ||
|
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| const audio_codec_data_if_t *bsp_audio_get_codec_itf(void) | ||
| { | ||
| return i2s_data_if; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| #include "esp_err.h" | ||
| #include "bsp/esp-box-lite.h" | ||
| #include "bsp_err_check.h" | ||
| #include "esp_codec_dev_defaults.h" | ||
|
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| static const char *TAG = "ESP-BOX"; | ||
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| static i2s_chan_handle_t i2s_tx_chan = NULL; | ||
| static i2s_chan_handle_t i2s_rx_chan = NULL; | ||
| static const audio_codec_data_if_t *i2s_data_if = NULL; /* Codec data interface */ | ||
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| /* Can be used for i2s_std_gpio_config_t and/or i2s_std_config_t initialization */ | ||
| #define BSP_I2S_GPIO_CFG \ | ||
| { \ | ||
| .mclk = BSP_I2S_MCLK, \ | ||
| .bclk = BSP_I2S_SCLK, \ | ||
| .ws = BSP_I2S_LCLK, \ | ||
| .dout = BSP_I2S_DOUT, \ | ||
| .din = BSP_I2S_DSIN, \ | ||
| .invert_flags = { \ | ||
| .mclk_inv = false, \ | ||
| .bclk_inv = false, \ | ||
| .ws_inv = false, \ | ||
| }, \ | ||
| } | ||
|
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| /* This configuration is used by default in bsp_audio_init() */ | ||
| #define BSP_I2S_DUPLEX_MONO_CFG(_sample_rate) \ | ||
| { \ | ||
| .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(_sample_rate), \ | ||
| .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_MONO), \ | ||
| .gpio_cfg = BSP_I2S_GPIO_CFG, \ | ||
| } | ||
|
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| esp_err_t bsp_audio_init(const i2s_std_config_t *i2s_config) | ||
| { | ||
| esp_err_t ret = ESP_FAIL; | ||
| if (i2s_tx_chan && i2s_rx_chan) { | ||
| /* Audio was initialized before */ | ||
| return ESP_OK; | ||
| } | ||
|
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| /* Setup I2S peripheral */ | ||
| i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(CONFIG_BSP_I2S_NUM, I2S_ROLE_MASTER); | ||
| chan_cfg.auto_clear = true; // Auto clear the legacy data in the DMA buffer | ||
| BSP_ERROR_CHECK_RETURN_ERR(i2s_new_channel(&chan_cfg, &i2s_tx_chan, &i2s_rx_chan)); | ||
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| /* Setup I2S channels */ | ||
| const i2s_std_config_t std_cfg_default = BSP_I2S_DUPLEX_MONO_CFG(22050); | ||
| const i2s_std_config_t *p_i2s_cfg = &std_cfg_default; | ||
| if (i2s_config != NULL) { | ||
| p_i2s_cfg = i2s_config; | ||
| } | ||
|
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| if (i2s_tx_chan != NULL) { | ||
| ESP_GOTO_ON_ERROR(i2s_channel_init_std_mode(i2s_tx_chan, p_i2s_cfg), err, TAG, "I2S channel initialization failed"); | ||
| ESP_GOTO_ON_ERROR(i2s_channel_enable(i2s_tx_chan), err, TAG, "I2S enabling failed"); | ||
| } | ||
| if (i2s_rx_chan != NULL) { | ||
| ESP_GOTO_ON_ERROR(i2s_channel_init_std_mode(i2s_rx_chan, p_i2s_cfg), err, TAG, "I2S channel initialization failed"); | ||
| ESP_GOTO_ON_ERROR(i2s_channel_enable(i2s_rx_chan), err, TAG, "I2S enabling failed"); | ||
| } | ||
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| audio_codec_i2s_cfg_t i2s_cfg = { | ||
| .port = CONFIG_BSP_I2S_NUM, | ||
| .rx_handle = i2s_rx_chan, | ||
| .tx_handle = i2s_tx_chan, | ||
| }; | ||
| i2s_data_if = audio_codec_new_i2s_data(&i2s_cfg); | ||
| BSP_NULL_CHECK_GOTO(i2s_data_if, err); | ||
|
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| return ESP_OK; | ||
|
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| err: | ||
| if (i2s_tx_chan) { | ||
| i2s_del_channel(i2s_tx_chan); | ||
| } | ||
| if (i2s_rx_chan) { | ||
| i2s_del_channel(i2s_rx_chan); | ||
| } | ||
|
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| return ret; | ||
| } | ||
|
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| const audio_codec_data_if_t *bsp_audio_get_codec_itf(void) | ||
| { | ||
| return i2s_data_if; | ||
| } |
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