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| Both sides previous revision Previous revision Next revision | Previous revision Next revisionBoth sides next revision | ||
| toh:seeed:linkit7688 [2020/11/21 12:36] – [SeeedStudio Breakout for LinkIt Smart 7688 v2.0] novski | toh:seeed:linkit7688 [2022/06/03 11:57] – link to post for other undocumented uboot options frollic | ||
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| Use the UART Console and *Hidden* Option 5 | Use the UART Console and *Hidden* Option 5 | ||
| + | There are other hidden options available, read https:// | ||
| <WRAP bootlog> | <WRAP bootlog> | ||
| < | < | ||
| Line 705: | Line 705: | ||
| We add i2s as audio i/o and define i2c to control the audio chip so a volume and other controls is present afterwards. | We add i2s as audio i/o and define i2c to control the audio chip so a volume and other controls is present afterwards. | ||
| - | This is a `git patch` file so copy that to a file in the /openwrt bildroot folder and execute it with git patch < | + | This is a `git patch` file so copy that to a file in the /openwrt bildroot folder and execute it with `patch -p1 < {filename}` or `git am {filename}. |
| < | < | ||
| diff --git a/ | diff --git a/ | ||
| Line 792: | Line 792: | ||
| **Build** | **Build** | ||
| go to your buildpath and type < | go to your buildpath and type < | ||
| - | After flashing the image you can use alsamixer with key **" | + | After flashing the image you can use < |
| ** Be careful! High volumes can damage your ears.** | ** Be careful! High volumes can damage your ears.** | ||
| * Headphone (if you use external Amplifier or headphone via 3.5mm jack outlet) = choose volume | * Headphone (if you use external Amplifier or headphone via 3.5mm jack outlet) = choose volume | ||
| Line 804: | Line 804: | ||
| You then should hear a woman speaking " | You then should hear a woman speaking " | ||
| - | If you want to mix an external signal over the aux input try to higher the input 2 volumes in < | + | If you want to mix an external signal over the aux input try to higher the input 2 volumes in $alsamixer. (untested) |
| + | |||
| + | Try playing a .wav file with: < | ||