Es8323.c (sound\soc\codecs) 1.入口函數 dts里面 status = "okay"; es8323: es8323@11 ...
一.tinymix調用,主要是控制接口,調用到底層的control 操作方法:tinymix SPK Tinymix.c external tinyalsa int main int argc, char argv mixer mixer open card snprintf fn, sizeof fn , dev snd controlC u , card mixer mixer open c ...
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Es8323.c (sound\soc\codecs) 1.入口函數 dts里面 status = "okay"; es8323: es8323@11 ...
一.tinyplay播放 操作命令:tinyplay /sdcard/test.wav Tinyplay.c (external\tinyalsa) file = fopen(filename, "rb"); //對應的音頻文件 fread(& ...
一.Tinycap分析 使用命令:tinycap /sdcard/test.wav -D card0 -d device0 -c 2 -r 48000 -b 16 -p 1024 -n 16 Tinycap.c (external\tinyalsa) 錄音流程 ...
參考: https://blog.csdn.net/u013531497/article/details/48290195 http://www.echojb.com/hardwar ...
Rk_i2s.c (sound\soc\rockchip) 1.入口函數 subsys_initcall_sync(rockchip_i2s_init); //在module_init前面加載 i2s1: i2s1@100b0000 ...
本文轉載自:http://blog.csdn.net/radianceblau/article/details/64125411 目前linux中主流的音頻體系結構是ALSA(Advanced Linux Sound Architecture),ALSA在內核驅動層提供了alsa-driver ...
1. tinymix:列出所有的 sound kcontrol 2. tinymix "Capture Volume":讀出里面的值 3. tinymix "Capture Volume" 10:設置值為10 4. 也可以用序號來操作: (1) tinymix ...
.Recovery中升級完成后控制GPIO輸出高電平點亮LED.系統自帶GPIO控制驅動:內核已經自帶了通用GP ...