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fix DAC config to add I2S (either 'I2S' or blank) (#293)

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Co-authored-by: Wizmo2 <wizmo.home@tahoo.com>
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wizmo2
2023-08-27 16:02:57 -04:00
committed by GitHub
parent b154f60e8e
commit ca7670f754
2 changed files with 6 additions and 6 deletions
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README.md
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@@ -174,7 +174,7 @@ Default and only "host" is 1 as others are used already by flash and spiram. The
### DAC/I2S
The NVS parameter "dac_config" set the gpio used for i2s communication with your DAC. You can define the defaults at compile time but nvs parameter takes precedence except for named configurations
```
bck=<gpio>,ws=<gpio>,do=<gpio>[,mck=0|1|2][,mute=<gpio>[:0|1][,model=TAS57xx|TAS5713|AC101|I2S][,sda=<gpio>,scl=<gpio>[,i2c=<addr>]]
bck=<gpio>,ws=<gpio>,do=<gpio>[,mck=0|1|2][,mute=<gpio>[:0|1][,model=TAS57xx|TAS5713|AC101|WM8978|ES8388|I2S][,sda=<gpio>,scl=<gpio>[,i2c=<addr>]]
```
if "model" is not set or is not recognized, then default "I2S" is used. The option "mck" is used for some codecs that require a master clock (although they should not). By default GPIO0 is used as MCLK and only recent builds (post mid-2023) can use 1 or 2. Also be aware that this cannot coexit with RMII Ethernet (see ethernet section below). I2C parameters are optional and only needed if your DAC requires an I2C control (See 'dac_controlset' below). Note that "i2c" parameters are decimal, hex notation is not allowed.