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Added driver unistall function for I2S

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pedro.minatel
2021-08-25 11:51:27 +01:00
parent e736c20cc9
commit 4bd057013d
1 changed files with 4 additions and 2 deletions
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6
examples/peripherals/i2s/i2s_audio_recorder_sdcard/main/i2s_recorder_main.c
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@@ -178,7 +178,7 @@ void init_microphone(void)
.channel_format = I2S_CHANNEL_FMT_ONLY_LEFT, .channel_format = I2S_CHANNEL_FMT_ONLY_LEFT,
.communication_format = I2S_COMM_FORMAT_STAND_I2S, .communication_format = I2S_COMM_FORMAT_STAND_I2S,
.intr_alloc_flags = ESP_INTR_FLAG_LEVEL2, .intr_alloc_flags = ESP_INTR_FLAG_LEVEL2,
.dma_buf_count = 8, .dma_buf_count = 16,
.dma_buf_len = 1024, .dma_buf_len = 1024,
.use_apll = 1, .use_apll = 1,
}; };
@@ -191,9 +191,9 @@ void init_microphone(void)
.data_in_num = CONFIG_EXAMPLE_I2S_DATA_GPIO, .data_in_num = CONFIG_EXAMPLE_I2S_DATA_GPIO,
}; };
// Call driver installation function before any I2S R/W operation.
ESP_ERROR_CHECK( i2s_driver_install(CONFIG_EXAMPLE_I2S_CH, &i2s_config, 0, NULL) ); ESP_ERROR_CHECK( i2s_driver_install(CONFIG_EXAMPLE_I2S_CH, &i2s_config, 0, NULL) );
ESP_ERROR_CHECK( i2s_set_pin(CONFIG_EXAMPLE_I2S_CH, &pin_config) ); ESP_ERROR_CHECK( i2s_set_pin(CONFIG_EXAMPLE_I2S_CH, &pin_config) );
// Set the I2S clock using the sample rate divided by 2 if channel is mono
ESP_ERROR_CHECK( i2s_set_clk(CONFIG_EXAMPLE_I2S_CH, (CONFIG_EXAMPLE_AUDIO_SAMPLE_RATE / 2), I2S_BITS_PER_SAMPLE_16BIT, I2S_CHANNEL_MONO) ); ESP_ERROR_CHECK( i2s_set_clk(CONFIG_EXAMPLE_I2S_CH, (CONFIG_EXAMPLE_AUDIO_SAMPLE_RATE / 2), I2S_BITS_PER_SAMPLE_16BIT, I2S_CHANNEL_MONO) );
} }
@@ -207,4 +207,6 @@ void app_main(void)
ESP_LOGI(TAG, "Starting recording for %d seconds!", CONFIG_EXAMPLE_REC_TIME); ESP_LOGI(TAG, "Starting recording for %d seconds!", CONFIG_EXAMPLE_REC_TIME);
// Start Recording // Start Recording
record_wav(); record_wav();
// Stop I2S driver and destroy
ESP_ERROR_CHECK( i2s_driver_uninstall(CONFIG_EXAMPLE_I2S_CH) );
} }