由STM32F103C8T6和ISD1820,LCD1602,按键模块组成的录音设备,这个设备的的语音采集模块的代码怎么写
时间: 2023-12-14 12:39:32 浏览: 28
语音采集模块的代码,一般需要涉及到以下几个方面:
1. STM32的ADC模块配置
2. ISD1820的控制
3. LCD1602的显示
4. 按键模块的读取
下面是一个简单的示例代码,可以作为参考:
```c
#include "stm32f10x.h"
#include "lcd1602.h"
#include "delay.h"
#define ADC1_DR_Address ((uint32_t)0x4001244C)
__IO uint16_t ADC_ConvertedValue;
void ADC_Configuration(void)
{
ADC_InitTypeDef ADC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_ADC1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_DeInit(ADC1);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_55Cycles5);
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
}
void ISD1820_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
void Delay(uint32_t nCount)
{
while(nCount--)
{
}
}
void Record(void)
{
GPIO_SetBits(GPIOB, GPIO_Pin_12);
Delay(0xFFFF);
GPIO_ResetBits(GPIOB, GPIO_Pin_12);
}
void Play(void)
{
GPIO_SetBits(GPIOB, GPIO_Pin_13);
Delay(0xFFFF);
GPIO_ResetBits(GPIOB, GPIO_Pin_13);
}
int main(void)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
LCD1602_Init();
LCD1602_DisplayString("Recording Device");
ADC_Configuration();
ISD1820_Configuration();
while(1)
{
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC));
ADC_ConvertedValue = ADC_GetConversionValue(ADC1);
if(ADC_ConvertedValue > 1000)
{
Record();
LCD1602_Clear();
LCD1602_DisplayString("Recording...");
Delay(0xFFFFF);
LCD1602_Clear();
LCD1602_DisplayString("Record Done!");
}
if(ADC_ConvertedValue < 200)
{
Play();
LCD1602_Clear();
LCD1602_DisplayString("Playing...");
Delay(0xFFFFF);
LCD1602_Clear();
LCD1602_DisplayString("Play Done!");
}
}
}
```
这个代码中,采用了STM32的ADC模块来读取模拟声音信号,并通过ISD1820录音芯片进行录音和播放。同时,还通过LCD1602显示模块和按键模块来实现录音和播放的提示和控制。