[RK3588-Android12] 关于ES8388 喇叭+PDM回采 4+2配置

问题描述:

ES8388 喇叭+PDM回采 4+2配置如下:


解决方案:

c 复制代码
	// MIC
	pdmics: dummy-codec {
		status = "okay";
		compatible = "rockchip,dummy-codec";
		#sound-dai-cells = <0>;
	};

	// MIC
	pdm_mic_array: pdm-mic-array {
		status = "okay";
		compatible = "simple-audio-card";
		simple-audio-card,name = "rockchip,pdm-mic-array";
		simple-audio-card,cpu {
			sound-dai = <&pdm0>;
		};
		simple-audio-card,codec {
			sound-dai = <&pdmics>;
		};
	};

	// 声卡ES8388
	es8388_sound: es8388-sound {
		status = "okay";
		compatible = "rockchip,multicodecs-card";
		rockchip,card-name = "rockchip-es8388";
		// hp-det-gpio = <&gpio1 RK_PC4 GPIO_ACTIVE_HIGH>;
		io-channels = <&saradc 3>;
		io-channel-names = "adc-detect";
		keyup-threshold-microvolt = <1800000>;
		poll-interval = <100>;
		// SPK_CTL_H 喇叭脚自行配置
		spk-con-gpio = <&gpioX RK_PXX GPIO_ACTIVE_HIGH>;
		// 耳机控制GPIO
		// hp-con-gpio = <&gpio4 RK_PA7 GPIO_ACTIVE_HIGH>;
		linein-type = <0>;
		rockchip,format = "i2s";
		rockchip,mclk-fs = <256>;
		rockchip,cpu = <&i2s0_8ch>;
		rockchip,codec = <&es8388>;
		rockchip,audio-routing =
			"Headphone", "LOUT1",
			"Headphone", "ROUT1",
			"Speaker", "LOUT2",
			"Speaker", "ROUT2",
			"Headphone", "Headphone Power",
			"Headphone", "Headphone Power",
			"Speaker", "Speaker Power",
			"Speaker", "Speaker Power",
			"LINPUT1", "Main Mic",
			"LINPUT2", "Main Mic",
			"RINPUT1", "Headset Mic",
			"RINPUT2", "Headset Mic";
		// pinctrl-names = "default";
		// pinctrl-0 = <&es_det>;
		play-pause-key {
			label = "playpause";
			linux,code = <KEY_PLAYPAUSE>;
			press-threshold-microvolt = <2000>;
		};
	};

&i2c7 {
	status = "okay";

	//这里需要根据新老SDK配置 clock部分的配置不一样
	//新SDK如下
	es8388: es8388@11 {
		status = "okay";
		#sound-dai-cells = <0>;
		compatible = "everest,es8388", "everest,es8323";
		reg = <0x11>;
		clocks = <&mclkout_i2s0>;
		clock-names = "mclk";
		assigned-clocks = <&mclkout_i2s0>;
		assigned-clock-rates = <12288000>;
		pinctrl-names = "default";
		pinctrl-0 = <&i2s0_mclk>;
	};
	//旧SDK如下
	es8388: es8388@11 {
		status = "disabled";
		#sound-dai-cells = <0>;
		compatible = "everest,es8388", "everest,es8323";
		reg = <0x11>;
		clocks = <&cru I2S0_8CH_MCLKOUT>;
		clock-names = "mclk";
		assigned-clocks = <&cru I2S0_8CH_MCLKOUT>;
		assigned-clock-rates = <12288000>;
		pinctrl-names = "default";
		pinctrl-0 = <&i2s0_mclk>;
};

// 根据原理图自行配置clk 和sdi通路 有几路配置几路
&pdm0 {
	status = "okay";
	// 通道顺序 自行配置
	//rockchip,path-map = <0 1 2 3>;
	pinctrl-names = "default";
	pinctrl-0 = <&pdm0m0_clk1
		     &pdm0m0_sdi0  &pdm0m0_sdi2>;
};

使用查看声音命令 cat /proc/asound/cards 如下

如声卡未能注册成功,自行使用 dmesg | grep pdm 检查相关声音注册是否有报错,需要注意pdm的sdio脚是否有复用,如果复用需要去除。

以上声卡注册成功后,使用命令进行录音采集。因为回采使用系统的录音应用是录制不到声音的。

使用 tinycap /mnt/rec.wav -D 1 -d 0 --c 4 对声卡1进行声音录制。

使用adb pull /mnt/rec.wav E:\ 将声音转出

最后使用电脑端的Audacity软件播放声音查看声道如下:

这里可以看到声音被正常录制到,左右声道正常。


相关推荐
踏莎行hyx17 分钟前
使用langchain连接llama.cpp部署的本地deepseek大模型开发简单的LLM应用
c++·ai·langchain·大模型·llama.cpp·deepseek
山河木马25 分钟前
前端学C++可太简单了:双冒号 :: 操作符
前端·javascript·c++
wkj00141 分钟前
php中array($this, ‘loadClass‘)表示啥意思?
android·开发语言·php
呼啸长风1 小时前
FastKV的轻量化回归
android·开源·github
乌萨奇也要立志学C++1 小时前
【C++详解】STL-list模拟实现(深度剖析list迭代器,类模板未实例化取嵌套类型问题)
c++·list
半桔2 小时前
【Linux手册】从接口到管理:Linux文件系统的核心操作指南
android·java·linux·开发语言·面试·系统架构
闻缺陷则喜何志丹2 小时前
【前缀和 BFS 并集查找】P3127 [USACO15OPEN] Trapped in the Haybales G|省选-
数据结构·c++·前缀和·宽度优先·洛谷·并集查找
xiaopengbc2 小时前
Android解压工具,ZArchiver,RAR for Android,iZip,The Unarchiver,解压专家
android
Digitally2 小时前
5种使用USB数据线将文件从安卓设备传输到电脑的方法
android
序属秋秋秋3 小时前
《C++初阶之内存管理》【内存分布 + operator new/delete + 定位new】
开发语言·c++·笔记·学习