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MG32F10x Standard Peripherals Firmware Library
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*************** (C) COPYRIGHT 2020 - 2023 megawin Technology *************** * @file I2S/I2S_RecordPlayAudio/readme.txt * @author megawin Application Team * @version V0.1.10 * @date 05-January-2023 * @brief Description of the I2S I2S_RecordPlayAudio example. ****************************************************************************** * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE * TIME. AS A RESULT, MEGAWIN SHALL NOT BE HELD LIABLE FOR ANY DIRECT, * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM * THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. ******************************************************************************
本例程演示如何使用I2S模块录制和播放音频。
本例程系统时钟工作在96Mhz,通过PLL配置产生。PLL时钟源是外部8Mhz晶振。APB1的分频比是1,APB2的分频比是1。
在本例程中使用 ES8316 CODEC 芯片录制和播放音频。 当本例程运行后,会通过UART1打印出相关信息,输入任意字符后,程序会开始以8kHz采样率从MIC录制1秒的声音。 当录音完成后,将会开始从耳机和喇叭重复播放刚才录制的声音。
在本例程中音频的采样频率是8000Hz。
为了使程序工作,您必须执行以下操作 :
运行此例程