{ // .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(PCM1808_SAMPLE_RATE), .clk_cfg.sample_rate_hz = PCM1808_SAMPLE_RATE, .clk_cfg.clk_src = I2S_CLK_SRC_DEFAULT, // I2S_CLK_SRC_EXTERNAL, .clk_cfg.mclk_multiple = I2S_MULTIPLE, .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_...
< I2S sample rate */.clk_src = I2S_CLK_SRC_DEFAULT,/*!< Choose clock source */.mclk_multiple = I2S_MCLK_MULTIPLE_384,//**Ignored in slave mode},// .slot_cfg = I2S_STD_PHILIPS_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO),.slot_cfg = { .data_bit_...
i2s_std_config_t rx_std_cfg=I2S_CONFIG_DEFAULT_RX(sample_rate,channel_format,bits_per_chan); rx_std_cfg.slot_cfg.slot_mask=I2S_STD_SLOT_BOTH; rx_std_cfg.clk_cfg.mclk_multiple=(i2s_mclk_multiple_t)(I2S_MCLK_MULTIPLE_384);
.clk_cfg.mclk_multiple = I2S_MCLK_MULTIPLE_192, .slot_cfg = I2S_STD_PHILIPS_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_24BIT, I2S_SLOT_MODE_MONO), .slot_cfg.slot_mask=I2S_STD_SLOT_LEFT, .gpio_cfg = { .mclk = EXAMPLE_STD_MCLK_IO1, // some codecs may require mclk signal, this exa...
B、调用 esp_netif_create_default_wifi_sta 函数(esp_wifi_default.h)。这个函数会用默认的配置初始化 Wifi 驱动,并创建表示网络接口的 esp_netif_t,类型当然是指针的。我们用的是STA模式,所以……,如果是AP模式,可以调用 esp_netif_create_default_wifi_ap 函数。其实,C语言的指针不是你想的那么恐怖,只是很...
1、MCLK:主时钟源,这个现在 99.996% 的芯片是不用连接的。这个是在功放芯片自己没有时钟源时才需要(比如无振荡器),没有时钟就不能产生电平高低变化了,那还通信个妖。 2、LRCLK:选择左右声道用的。就是上面代码 gpio_cfg 的 ws 成员,叫法不一样罢了。
re: "the current mclk multiple cannot perform integer division" hint: "Please adjust the mclk multiple to get the accurate sample rate.\nFor example, if you're using 24-bit slot width or enabled 3 slots, then the mclk multiple should be a multiple of 3, otherwise the sample rate will ...
I2S_MCLK_MULTIPLE_256 : i2s_config->mclk_multiple; @@ -1232,10 +1234,16 @@ static esp_err_t i2s_config_transfer(i2s_port_t i2s_num, const i2s_config_t *i2s i2s_std_slot_config_t *std_slot = (i2s_std_slot_config_t *)calloc(1, sizeof(i2s_std_slot_config_t));...
MCLK is provided by the crystal oscillator clock on the board by default 24.576M, and the clock can be changed as required.At the same time, external I2S signals can be accessed through the switching function.Note: The HDMI output terminal of this machine is an audio IIS-HDMI dedicated ...
This will be automatically generated based upon sample-rate and mclk ratio. The default ratio used by the Tegra drivers is 256 and so yes for 48kHz it will generate a 12.228MHz MCLK. “bclk_ratio = <?>” Do I set this to <0> or <256> based on my TDM configuration ? This is the...