adc_clk、ad9280_data、adc0_buf_wr、adc0_buf_addr、adc0_buf_data进行实例化
时间: 2024-12-08 22:20:23 浏览: 25
这些变量名似乎是从数字信号处理或者模拟到数字转换(Analog-to-Digital Conversion, ADC)相关的电路设计中常见的。它们代表了ADC(例如AD9280,一种模数转换器)的不同组件或寄存器:
- `adc_clk` 可能是指ADC模块的时钟输入,用于同步采样过程。
- `ad9280_data` 可能是存储从AD9280转换来的模拟信号数字化后的数据的寄存器或者端口。
- `adc0_buf_wr` 和 `adc0_buf_addr` 可能分别对应的是缓冲区(Buffer)的写入请求和地址,用于存放暂存的ADC数据。
- `adc0_buf_data` 应该是ADC数据缓存区的实际读取数据点,用于后续处理或存储。
在实际编程或硬件描述语言(如Verilog或 VHDL)中,这些变量会被实例化(Instantiation)为具体的对象,并连接到相应的硬件组件,以便进行模拟验证或嵌入式系统的设计。例如:
```python
# Python示例(假设是在Python的硬件抽象层)
adc_module = AD9280(
clk=adc_clk,
data_out=ad9280_data,
write_request=adc0_buf_wr,
buffer_address=adc0_buf_addr,
read_data=adc0_buf_data
)
```
相关问题
用C语言编写AT89C52与ADC0809、LED数码管、ptc热敏电阻、DS18b20、继电器、24c02的代码
以下是基于AT89C52单片机的ADC0809、LED数码管、PTC热敏电阻、DS18B20、继电器、24c02的C语言代码。
这里只提供了代码框架和基本函数,具体实现需要根据硬件电路进行调整和修改。
```
#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
// ADC0809定义
sbit ADC0809_CS = P1^0;
sbit ADC0809_RD = P1^1;
sbit ADC0809_WR = P1^2;
sbit ADC0809_INTR = P1^3;
// LED数码管定义
sbit LED_DIO = P0^0;
sbit LED_CLK = P0^1;
sbit LED_LAT = P0^2;
// PTC热敏电阻定义
sbit PTC_DO = P3^3;
sbit PTC_DIN = P3^4;
sbit PTC_CLK = P3^5;
// DS18B20定义
sbit DS18B20_DQ = P3^2;
// 继电器定义
sbit Relay = P2^0;
// 24C02定义
#define EEPROM_ADDR 0xA0
sbit EEPROM_SCL = P2^1;
sbit EEPROM_SDA = P2^2;
// ADC0809读取函数
uchar ADC0809_Read(uchar ch) {
uchar result = 0;
ADC0809_CS = 0;
ADC0809_WR = 1;
ADC0809_RD = 1;
ADC0809_WR = 0;
P0 = ch;
ADC0809_WR = 1;
while(!ADC0809_INTR);
ADC0809_RD = 0;
result = P0;
ADC0809_RD = 1;
ADC0809_CS = 1;
return result;
}
// LED数码管显示函数
void LED_Display(uchar *buf, uchar len) {
uchar i, j;
for(i = 0; i < len; i++) {
for(j = 0; j < 8; j++) {
LED_CLK = 0;
LED_DIO = buf[i] & 0x01;
buf[i] >>= 1;
LED_CLK = 1;
}
}
LED_LAT = 0;
LED_LAT = 1;
}
// PTC热敏电阻读取函数
uint PTC_Read() {
uchar i;
uint result = 0;
PTC_DIN = 1;
PTC_CLK = 1;
PTC_CLK = 0;
PTC_DIN = 0;
PTC_CLK = 1;
PTC_CLK = 0;
for(i = 0; i < 16; i++) {
PTC_CLK = 1;
result <<= 1;
result |= PTC_DO;
PTC_CLK = 0;
}
return result;
}
// DS18B20复位函数
uchar DS18B20_Reset() {
uchar result = 0;
DS18B20_DQ = 1;
DS18B20_DQ = 0;
DS18B20_DQ = 1;
while(DS18B20_DQ);
result = DS18B20_DQ;
while(!DS18B20_DQ);
return result;
}
// DS18B20读取温度函数
int DS18B20_ReadTemp() {
uchar i;
int result = 0;
DS18B20_Reset();
DS18B20_DQ = 1;
DS18B20_DQ = 0;
DS18B20_DQ = 1;
while(DS18B20_DQ);
DS18B20_DQ = 1;
for(i = 0; i < 8; i++) {
DS18B20_DQ = 0;
DS18B20_DQ = 1;
result >>= 1;
if(DS18B20_DQ) {
result |= 0x8000;
}
}
return result;
}
// 继电器开关函数
void Relay_Control(uchar state) {
Relay = state;
}
// 24C02写入函数
void EEPROM_Write(uchar addr, uchar data) {
uchar i;
EEPROM_SCL = 1;
EEPROM_SDA = 1;
EEPROM_SCL = 0;
EEPROM_SDA = 0;
for(i = 0; i < 8; i++) {
EEPROM_SCL = 0;
if(addr & 0x80) {
EEPROM_SDA = 1;
} else {
EEPROM_SDA = 0;
}
EEPROM_SCL = 1;
addr <<= 1;
}
EEPROM_SDA = 1;
EEPROM_SCL = 0;
EEPROM_SCL = 1;
EEPROM_SDA = 0;
for(i = 0; i < 8; i++) {
EEPROM_SCL = 0;
if(data & 0x80) {
EEPROM_SDA = 1;
} else {
EEPROM_SDA = 0;
}
EEPROM_SCL = 1;
data <<= 1;
}
EEPROM_SCL = 0;
EEPROM_SDA = 1;
}
// 24C02读取函数
uchar EEPROM_Read(uchar addr) {
uchar i, result = 0;
EEPROM_SCL = 1;
EEPROM_SDA = 1;
EEPROM_SCL = 0;
for(i = 0; i < 8; i++) {
EEPROM_SCL = 0;
if(addr & 0x80) {
EEPROM_SDA = 1;
} else {
EEPROM_SDA = 0;
}
EEPROM_SCL = 1;
addr <<= 1;
}
EEPROM_SDA = 1;
EEPROM_SCL = 0;
EEPROM_SCL = 1;
for(i = 0; i < 8; i++) {
EEPROM_SCL = 0;
result <<= 1;
if(EEPROM_SDA) {
result |= 0x01;
}
EEPROM_SCL = 1;
}
EEPROM_SCL = 0;
EEPROM_SDA = 1;
return result;
}
void main() {
uchar adc_result, led_buf[4], ptc_buf[4], eeprom_data;
uint ptc_result;
int ds18b20_temp;
// 初始化LED数码管
LED_CLK = 0;
LED_LAT = 1;
LED_DIO = 0;
while(1) {
// 读取ADC0809
adc_result = ADC0809_Read(0);
// 将ADC值转化为LED数码管显示数据
// ...
// 显示LED数码管
LED_Display(led_buf, 4);
// 读取PTC热敏电阻
ptc_result = PTC_Read();
// 将PTC值转化为LED数码管显示数据
// ...
// 显示LED数码管
LED_Display(ptc_buf, 4);
// 读取DS18B20温度
ds18b20_temp = DS18B20_ReadTemp();
// 判断温度是否超过阈值,控制继电器开关
// ...
// 读取24C02数据
eeprom_data = EEPROM_Read(0x00);
// 写入24C02数据
EEPROM_Write(0x00, eeprom_data + 1);
// 延时
// ...
}
}
```
基于stm32f407 写出ADC读取语音电信号,内部flash存储10sADC读取的语音信号,后用dac再将flash内部信号输出,实现语音回放掉电存储的代码
以下是基于stm32f407的ADC读取语音电信号,内部flash存储10sADC读取的语音信号,后用dac再将flash内部信号输出,实现语音回放掉电存储的代码:
``` c
#include "stm32f4xx.h"
#include "stm32f4xx_hal.h"
#include "stm32f4xx_hal_flash.h"
#include "stm32f4xx_hal_dac.h"
#include "stm32f4xx_hal_adc.h"
#define ADC1_DR_ADDRESS ((uint32_t)0x4001204C)
#define FLASH_START_ADDR ((uint32_t)0x080E0000)
#define FLASH_END_ADDR ((uint32_t)0x080FFFFF)
#define FLASH_PAGE_SIZE ((uint32_t)0x400)
#define FLASH_SECTOR_SIZE ((uint32_t)0x4000)
#define FLASH_SECTOR_NUM ((uint32_t)0x0F)
#define SAMPLE_RATE ((uint32_t)8000)
#define SAMPLE_TIME ((uint32_t)(1000000/SAMPLE_RATE))
#define ADC_BUF_SIZE ((uint32_t)(SAMPLE_RATE*10)) // 10s
static ADC_HandleTypeDef AdcHandle;
static DAC_HandleTypeDef DacHandle;
static uint16_t AdcBuf[ADC_BUF_SIZE];
static uint32_t AdcBufIndex;
static uint32_t FlashWriteAddr;
static void SystemClock_Config(void);
static void Error_Handler(void);
static void ADC_Config(void);
static void DAC_Config(void);
int main(void)
{
HAL_Init();
SystemClock_Config();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_DMA1_CLK_ENABLE();
__HAL_RCC_ADC1_CLK_ENABLE();
__HAL_RCC_DAC_CLK_ENABLE();
__HAL_RCC_TIM6_CLK_ENABLE();
__HAL_RCC_FLASH_CLK_ENABLE();
ADC_Config();
DAC_Config();
HAL_ADC_Start_DMA(&AdcHandle, (uint32_t*)ADC1_DR_ADDRESS, 1);
HAL_DAC_Start(&DacHandle, DAC_CHANNEL_1);
while (1)
{
if (AdcBufIndex >= ADC_BUF_SIZE)
{
HAL_FLASH_Unlock();
FLASH_EraseInitTypeDef EraseInitStruct;
EraseInitStruct.TypeErase = FLASH_TYPEERASE_SECTORS;
EraseInitStruct.Sector = FLASH_SECTOR_NUM;
EraseInitStruct.NbSectors = 1;
EraseInitStruct.VoltageRange = FLASH_VOLTAGE_RANGE_3;
uint32_t SectorError;
HAL_FLASHEx_Erase(&EraseInitStruct, &SectorError);
FlashWriteAddr = FLASH_START_ADDR;
for (uint32_t i = 0; i < ADC_BUF_SIZE; i++)
{
HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, FlashWriteAddr, AdcBuf[i]);
FlashWriteAddr += 2;
}
HAL_FLASH_Lock();
FlashWriteAddr = FLASH_START_ADDR;
for (uint32_t i = 0; i < ADC_BUF_SIZE; i++)
{
HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_1, DAC_ALIGN_12B_R, AdcBuf[i]);
HAL_Delay(SAMPLE_TIME);
}
AdcBufIndex = 0;
}
}
}
void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc)
{
AdcBuf[AdcBufIndex] = HAL_ADC_GetValue(hadc);
AdcBufIndex++;
}
static void ADC_Config(void)
{
AdcHandle.Instance = ADC1;
AdcHandle.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV4;
AdcHandle.Init.Resolution = ADC_RESOLUTION_12B;
AdcHandle.Init.ScanConvMode = DISABLE;
AdcHandle.Init.ContinuousConvMode = ENABLE;
AdcHandle.Init.DiscontinuousConvMode = DISABLE;
AdcHandle.Init.NbrOfDiscConversion = 0;
AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
AdcHandle.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T1_CC1;
AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT;
AdcHandle.Init.NbrOfConversion = 1;
AdcHandle.Init.DMAContinuousRequests = ENABLE;
AdcHandle.Init.EOCSelection = DISABLE;
HAL_ADC_Init(&AdcHandle);
ADC_ChannelConfTypeDef sConfig;
sConfig.Channel = ADC_CHANNEL_0;
sConfig.Rank = 1;
sConfig.SamplingTime = ADC_SAMPLETIME_84CYCLES;
sConfig.Offset = 0;
HAL_ADC_ConfigChannel(&AdcHandle, &sConfig);
}
static void DAC_Config(void)
{
DacHandle.Instance = DAC;
HAL_DAC_Init(&DacHandle);
DAC_ChannelConfTypeDef sConfig;
sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_1);
}
static void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
__HAL_RCC_PWR_CLK_ENABLE();
HAL_PWR_EnableBkUpAccess();
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 336;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
}
```
代码实现的基本思路是:通过ADC采样获取语音信号,将其存储到数组中,当数组存满后将其存储到内部flash中,并通过DAC实现回放。具体实现细节如下:
1. 定义了一些常量和变量:
``` c
#define ADC1_DR_ADDRESS ((uint32_t)0x4001204C)
#define FLASH_START_ADDR ((uint32_t)0x080E0000)
#define FLASH_END_ADDR ((uint32_t)0x080FFFFF)
#define FLASH_PAGE_SIZE ((uint32_t)0x400)
#define FLASH_SECTOR_SIZE ((uint32_t)0x4000)
#define FLASH_SECTOR_NUM ((uint32_t)0x0F)
#define SAMPLE_RATE ((uint32_t)8000)
#define SAMPLE_TIME ((uint32_t)(1000000/SAMPLE_RATE))
#define ADC_BUF_SIZE ((uint32_t)(SAMPLE_RATE*10)) // 10s
static ADC_HandleTypeDef AdcHandle;
static DAC_HandleTypeDef DacHandle;
static uint16_t AdcBuf[ADC_BUF_SIZE];
static uint32_t AdcBufIndex;
static uint32_t FlashWriteAddr;
```
2. 实现ADC和DAC的配置函数:
``` c
static void ADC_Config(void)
{
AdcHandle.Instance = ADC1;
AdcHandle.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV4;
AdcHandle.Init.Resolution = ADC_RESOLUTION_12B;
AdcHandle.Init.ScanConvMode = DISABLE;
AdcHandle.Init.ContinuousConvMode = ENABLE;
AdcHandle.Init.DiscontinuousConvMode = DISABLE;
AdcHandle.Init.NbrOfDiscConversion = 0;
AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
AdcHandle.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T1_CC1;
AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT;
AdcHandle.Init.NbrOfConversion = 1;
AdcHandle.Init.DMAContinuousRequests = ENABLE;
AdcHandle.Init.EOCSelection = DISABLE;
HAL_ADC_Init(&AdcHandle);
ADC_ChannelConfTypeDef sConfig;
sConfig.Channel = ADC_CHANNEL_0;
sConfig.Rank = 1;
sConfig.SamplingTime = ADC_SAMPLETIME_84CYCLES;
sConfig.Offset = 0;
HAL_ADC_ConfigChannel(&AdcHandle, &sConfig);
}
static void DAC_Config(void)
{
DacHandle.Instance = DAC;
HAL_DAC_Init(&DacHandle);
DAC_ChannelConfTypeDef sConfig;
sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DAC_CHANNEL_1);
}
```
3. 实现ADC采样完成中断的回调函数:
``` c
void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc)
{
AdcBuf[AdcBufIndex] = HAL_ADC_GetValue(hadc);
AdcBufIndex++;
}
```
4. 主程序的实现:
``` c
int main(void)
{
HAL_Init();
SystemClock_Config();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_DMA1_CLK_ENABLE();
__HAL_RCC_ADC1_CLK_ENABLE();
__HAL_RCC_DAC_CLK_ENABLE();
__HAL_RCC_TIM6_CLK_ENABLE();
__HAL_RCC_FLASH_CLK_ENABLE();
ADC_Config();
DAC_Config();
HAL_ADC_Start_DMA(&AdcHandle, (uint32_t*)ADC1_DR_ADDRESS, 1);
HAL_DAC_Start(&DacHandle, DAC_CHANNEL_1);
while (1)
{
if (AdcBufIndex >= ADC_BUF_SIZE)
{
HAL_FLASH_Unlock();
FLASH_EraseInitTypeDef EraseInitStruct;
EraseInitStruct.TypeErase = FLASH_TYPEERASE_SECTORS;
EraseInitStruct.Sector = FLASH_SECTOR_NUM;
EraseInitStruct.NbSectors = 1;
EraseInitStruct.VoltageRange = FLASH_VOLTAGE_RANGE_3;
uint32_t SectorError;
HAL_FLASHEx_Erase(&EraseInitStruct, &SectorError);
FlashWriteAddr = FLASH_START_ADDR;
for (uint32_t i = 0; i < ADC_BUF_SIZE; i++)
{
HAL_FLASH_Program(FLASH_TYPEPROGRAM_HALFWORD, FlashWriteAddr, AdcBuf[i]);
FlashWriteAddr += 2;
}
HAL_FLASH_Lock();
FlashWriteAddr = FLASH_START_ADDR;
for (uint32_t i = 0; i < ADC_BUF_SIZE; i++)
{
HAL_DAC_SetValue(&DacHandle, DAC_CHANNEL_1, DAC_ALIGN_12B_R, AdcBuf[i]);
HAL_Delay(SAMPLE_TIME);
}
AdcBufIndex = 0;
}
}
}
```
主程序的实现比较简单,主要就是检测采样数组是否已满,如果已满则将其存储到内部flash中,并通过DAC实现回放。具体实现细节如下:
- 通过`HAL_FLASH_Unlock()`函数解锁内部flash;
- 通过`HAL_FLASHEx_Erase()`函数擦除flash扇区;
- 通过`HAL_FLASH_Program()`函数将采样数据存储到flash中;
- 通过`HAL_FLASH_Lock()`函数锁定内部flash;
- 通过`HAL_DAC_SetValue()`函数将flash中的采样数据输出到DAC;
- 通过`HAL_Delay()`函数实现采样率控制,保证回放速度。
需要注意的是,由于内部flash的写入操作需要擦除整个扇区,因此在存储数据时需要先将整个扇区擦除再进行写入,否则会出现写入失败的情况。
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