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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,126 @@ | ||
| #pragma once | ||
| #include "AudioConfig.h" | ||
| #include "AudioTools/AudioTypes.h" | ||
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| #ifndef PIN_I2S_MCK | ||
| # define PIN_I2S_MCK -1 | ||
| #endif | ||
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| #if defined(ESP32) && ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(5, 0 , 0) | ||
| # include "driver/i2s.h" // for I2S_CHANNEL_FMT_RIGHT_LEFT | ||
| #endif | ||
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| namespace audio_tools { | ||
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| /*** | ||
| * @brief I2S Signal Types: Digital, Analog, PDM | ||
| */ | ||
| enum I2SSignalType { | ||
| Digital, | ||
| Analog, | ||
| PDM, | ||
| }; | ||
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| INLINE_VAR const char* i2s_signal_types[] = {"Digital","Analog","PDM","TDM"}; | ||
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| /** | ||
| * @brief configuration for USE_ALT_PIN_SUPPORT i2s | ||
| * @author Phil Schatzmann | ||
| * @copyright GPLv3 | ||
| */ | ||
| class I2SConfigESP32 : public AudioInfo { | ||
| public: | ||
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| I2SConfigESP32() { | ||
| channels = DEFAULT_CHANNELS; | ||
| sample_rate = DEFAULT_SAMPLE_RATE; | ||
| bits_per_sample = DEFAULT_BITS_PER_SAMPLE; | ||
| } | ||
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| /// Default Copy Constructor | ||
| I2SConfigESP32(const I2SConfigESP32 &cfg) = default; | ||
|
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| /// Constructor | ||
| I2SConfigESP32(RxTxMode mode) { | ||
| channels = DEFAULT_CHANNELS; | ||
| sample_rate = DEFAULT_SAMPLE_RATE; | ||
| bits_per_sample = DEFAULT_BITS_PER_SAMPLE; | ||
| rx_tx_mode = mode; | ||
| switch(mode){ | ||
| case RX_MODE: | ||
| pin_data = PIN_I2S_DATA_IN; | ||
| auto_clear = false; | ||
| break; | ||
| case TX_MODE: | ||
| pin_data = PIN_I2S_DATA_OUT; | ||
| auto_clear = I2S_AUTO_CLEAR; | ||
| break; | ||
| default: | ||
| auto_clear = I2S_AUTO_CLEAR; | ||
| pin_data = PIN_I2S_DATA_OUT; | ||
| pin_data_rx = PIN_I2S_DATA_IN; | ||
| break; | ||
| } | ||
| } | ||
|
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| /// public settings | ||
| RxTxMode rx_tx_mode = TX_MODE; | ||
| I2SFormat i2s_format = I2S_STD_FORMAT; | ||
| I2SSignalType signal_type = Digital; // e.g. the ESP32 supports analog input or output or PDM picrophones | ||
| bool is_master = true; | ||
| int port_no = 0; // processor dependent port | ||
| int pin_ws = PIN_I2S_WS; | ||
| int pin_bck = PIN_I2S_BCK; | ||
| int pin_data; // rx or tx pin dependent on mode: tx pin for RXTX_MODE | ||
| int pin_data_rx; // rx pin for RXTX_MODE | ||
| int pin_mck = PIN_I2S_MCK; | ||
| int buffer_count = I2S_BUFFER_COUNT; | ||
| int buffer_size = I2S_BUFFER_SIZE; | ||
| bool auto_clear = I2S_AUTO_CLEAR; | ||
| bool use_apll = I2S_USE_APLL; | ||
| uint32_t fixed_mclk = 0; | ||
| #if ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(5, 0 , 0) | ||
| int channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT; | ||
| #endif | ||
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| void logInfo(const char* source=nullptr) { | ||
| AudioInfo::logInfo(source); | ||
| LOGI("rx/tx mode: %s", RxTxModeNames[rx_tx_mode]); | ||
| LOGI("port_no: %d", port_no); | ||
| LOGI("is_master: %s", is_master ? "Master":"Slave"); | ||
| LOGI("sample rate: %d", sample_rate); | ||
| LOGI("bits per sample: %d", bits_per_sample); | ||
| LOGI("number of channels: %d", channels); | ||
| LOGI("signal_type: %s", i2s_signal_types[signal_type]); | ||
| if (signal_type==Digital){ | ||
| LOGI("i2s_format: %s", i2s_formats[i2s_format]); | ||
| } | ||
| //LOGI("auto_clear: %s",auto_clear? "true" : "false"); | ||
| if (use_apll) { | ||
| LOGI("use_apll: %s", use_apll ? "true" : "false"); | ||
| } | ||
| //if (fixed_mclk){ | ||
| // LOGI("fixed_mclk: %d", (int) fixed_mclk); | ||
| //} | ||
| LOGI("buffer_count:%d",buffer_count); | ||
| LOGI("buffer_size:%d",buffer_size); | ||
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| if (pin_mck!=-1) | ||
| LOGI("pin_mck: %d", pin_mck); | ||
| if (pin_bck!=-1) | ||
| LOGI("pin_bck: %d", pin_bck); | ||
| if (pin_ws!=-1) | ||
| LOGI("pin_ws: %d", pin_ws); | ||
| if (pin_data!=-1) | ||
| LOGI("pin_data: %d", pin_data); | ||
| if (pin_data_rx!=-1 && rx_tx_mode==RXTX_MODE){ | ||
| LOGI("pin_data_rx: %d", pin_data_rx); | ||
| } | ||
| } | ||
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| }; | ||
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| using I2SConfig = I2SConfigESP32; | ||
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| } | ||
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