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Add I2S_MODE_ADC_BUILT_IN support to i2s_stream.c (AUD-4544) #988

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Add I2S_MODE_ADC_BUILT_IN support to i2s_stream.c (AUD-4544) #988

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4 changes: 4 additions & 0 deletions components/audio_stream/i2s_stream.c
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Original file line number Diff line number Diff line change
Expand Up @@ -389,6 +389,10 @@ audio_element_handle_t i2s_stream_init(i2s_stream_cfg_t *config)
#if SOC_I2S_SUPPORTS_ADC_DAC
if ((config->i2s_config.mode & I2S_MODE_DAC_BUILT_IN) != 0) {
i2s_set_dac_mode(I2S_DAC_CHANNEL_BOTH_EN);
} else if ((config->i2s_config.mode & I2S_MODE_ADC_BUILT_IN) != 0) {
i2s_set_adc_mode(ADC_UNIT_1, ADC1_CHANNEL_7);
adc1_config_channel_atten(ADC1_CHANNEL_7, i2s->config.adc_atten_db);
i2s_adc_enable(i2s->config.i2s_port);
} else
#endif
{
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1 change: 1 addition & 0 deletions components/audio_stream/include/i2s_stream.h
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Expand Up @@ -53,6 +53,7 @@ typedef struct {
bool uninstall_drv; /*!< whether uninstall the i2s driver when stream destroyed*/
bool need_expand; /*!< whether to expand i2s data */
i2s_bits_per_sample_t expand_src_bits; /*!< The source bits per sample when data expand */
int adc_atten_db;
} i2s_stream_cfg_t;

#define I2S_STREAM_TASK_STACK (3072+512)
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