_SKU_DFR0498_FireBeetle_Covers Camera&Audio_Media_Board - jimaobian/DFRobotWikiCn GitHub Wiki

/*!
 * @file DFRobot_IIS.h
 * @brief DFRobot's IIS Player Module
 * @n IIS Module for how to begin to play a WAV file,how to excute orders pause,continue,stop and play the next
 *    Insert sd card with test1.wav and test2.wav.
 *    Call the function by pressing user key to control music player
 *    The Module would operate as follows when pressed: play test1.wav>>pause>>continue>>mute>>Volume:50>>stop>>play test2.wav
 */

#include <Wire.h>
#include "DFRobot_IIS.h"

DFRobot_IIS iis;
const int buttonPin = 16;
int i=0;

void setup() {
  Serial.begin(115200);
  iis.SDCardInit();                                // Init SD card
  iis.init(AUDIO);                                 // Init Audio mode
  iis.setHeadphonesVolume(50);                     // Set Headphones Volume from 0 to 99
  iis.setSpeakersVolume(50);                       // Set Speakers   Volume from 0 to 99
  iis.initPlayer();                                // Init Music player
  Serial.println("Init player");
  iis.playMusic("/test1.WAV");                     // Choose music file
  Serial.println("Ready to play");
  delay(500);
}

void loop(){
    static unsigned long timepoint = millis();
    static byte count = 0;
    if(millis()-timepoint > 200){
        if((!digitalRead(buttonPin))&&(i==0||i==2)){
            timepoint = millis();
            iis.playerControl(PLAY);               // Start or continue playing Music
            Serial.println("play");
            i++;
        }else if((!digitalRead(buttonPin))&&i==1){
            timepoint = millis();
            iis.playerControl(PAUSE);              // Pause playing
            Serial.println("pause");
            i++;
        }else if((!digitalRead(buttonPin))&&i==3){
            timepoint = millis();
            iis.muteSpeakers();                    // Mute mode
            iis.muteHeadphones();
            Serial.println("mute mode");
            i++;
        }else if((!digitalRead(buttonPin))&&i==4){
            timepoint = millis();
            iis.setHeadphonesVolume(50);
            iis.setSpeakersVolume(50);
            Serial.println("Volume=50");
            i++;
        }else if((!digitalRead(buttonPin))&&i==5){
            timepoint = millis();
            iis.playerControl(STOP);               // Stop playing
            Serial.println("Stop");
            i++;
        }else if((!digitalRead(buttonPin))&&i==6){
            timepoint = millis();
            iis.playMusic("/test2.WAV");           // Change music file
            iis.playerControl(PLAY);               // Play test2.wav
            i=1;
        }
        delay(100);
    }
}

/*!
 * @file DFRobot_IIS.h
 * @brief DFRobot's IIS Record Module
 * @n IIS Module for Record sound and Save WAV file in SD card
 *    Insert sd card
 *    Call the function by pressing user key to control recorder
 *    This Module will record sound and save it as record1.wav record2.wav by pressing user key
 */

#include <Wire.h>
#include <DFRobot_IIS.h>

DFRobot_IIS iis;
const int buttonPin = 16;
enum Status{
    ePrepare,
    eRecording,
    eStop
}eState=ePrepare;

void setup(){
    Serial.begin(115200);
    iis.SDCardInit();                              // SD card init
    iis.init(AUDIO);                               // Init Audio mode
    iis.initRecorder();                            // Init recorder
    iis.record("/record1.WAV");                    // Enter file name to save recording
    Serial.println("Ready to record");
}

void loop(){
    if((!digitalRead(buttonPin))&&eState==ePrepare){
        while((!digitalRead(buttonPin))){
            delay(10);
        }
        iis.recorderControl(BEGIN);                // Begin recording
        Serial.println("Recording");
        eState=eRecording;
    }
    delay(100);
    if((!digitalRead(buttonPin))&&eState==eRecording){
        while((!digitalRead(buttonPin))){
            delay(10);
        }
        iis.recorderControl(STOP);                 // eStop recording
        Serial.println("Stop and save data");
        eState=eStop;
    }
    if((!digitalRead(buttonPin))&&eState==eStop){
        while((!digitalRead(buttonPin))){
            delay(10);
        }
        iis.record("/record2.WAV");                // Change file name
        eState=ePrepare;
    }
    delay(100);
}

/*!
 * @file DFRobot_IIS.h
 * @brief DFRobot's IIS Camera Module
 * @n IIS Module for take photo and save BMP file in SD card
 *    Insert sd card
 *    Call the function by pressing user key to take photo
 *    This Module will take photo and save as photo1.bmp,photo2.bmp by pressing user key
 */

#include <Wire.h>
#include "DFRobot_IIS.h"

DFRobot_IIS iis;
const int buttonPin = 16;
int i=0;
const char* SSID    ="yourSSID";
const char* PASSWORD="SSID password";
void setup(){
    Serial.begin(115200);
    pinMode(buttonPin, INPUT);
    iis.SDCardInit();                                //SD card init
    iis.init(CAMERA);                                //Init Camera mode
    iis.connectNet(SSID,PASSWORD);                   //Connect wifi
    iis.setFramesize(QVGA);                          //Set photo size QVGA:320x240
    iis.setPixformat(GRAYSCALE);                     //Set pixelformat GRAYSCALE
    iis.sendPhoto();                                 //Send photo to net
    delay(100);
    Serial.println("Ready to take photo");
}

void loop(){
    static unsigned long timepoint = millis();
    static byte count = 0;
    if(millis()-timepoint > 20){
       timepoint = millis();
       if(!digitalRead(buttonPin)&& i == 0){
          Serial.println("take photo1");
          iis.snapshot("/photo1.bmp");               //Take photo and save it as photo1.bmp in SD card
          Serial.println("done");
          i=1;
        }
        if(!digitalRead(buttonPin)&& i == 1){
          Serial.println("take photo2");
          iis.snapshot("/photo2.bmp");               //Take photo and save it as photo1.bmp in SD card
          Serial.println("done");
          i=0;
        }
   }
}

#include "FS.h"
#include "SD_MMC.h"

/*打印文件列表*/
void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
    Serial.printf("Listing directory: %s\n", dirname);

    File root = fs.open(dirname);
    if(!root){
        Serial.println("Failed to open directory");
        return;
    }
    if(!root.isDirectory()){
        Serial.println("Not a directory");
        return;
    }

    File file = root.openNextFile();
    while(file){
        if(file.isDirectory()){
            Serial.print("  DIR : ");
            Serial.println(file.name());
            if(levels){
                listDir(fs, file.name(), levels -1);
            }
        } else {
            Serial.print("  FILE: ");
            Serial.print(file.name());
            Serial.print("  SIZE: ");
            Serial.println(file.size());
        }
        file = root.openNextFile();
    }
}

/*创建目录*/
void createDir(fs::FS &fs, const char * path){
    Serial.printf("Creating Dir: %s\n", path);
    if(fs.mkdir(path)){
        Serial.println("Dir created");
    } else {
        Serial.println("mkdir failed");
    }
}

/*删除目录*/
void removeDir(fs::FS &fs, const char * path){
    Serial.printf("Removing Dir: %s\n", path);
    if(fs.rmdir(path)){
        Serial.println("Dir removed");
    } else {
        Serial.println("rmdir failed");
    }
}

/*读取文件*/
void readFile(fs::FS &fs, const char * path){
    Serial.printf("Reading file: %s\n", path);

    File file = fs.open(path);
    if(!file){
        Serial.println("Failed to open file for reading");
        return;
    }

    Serial.print("Read from file: ");
    while(file.available()){
        Serial.write(file.read());
    }
}

/*写入文件*/
void writeFile(fs::FS &fs, const char * path, const char * message){
    Serial.printf("Writing file: %s\n", path);

    File file = fs.open(path, FILE_WRITE);
    if(!file){
        Serial.println("Failed to open file for writing");
        return;
    }
    if(file.print(message)){
        Serial.println("File written");
    } else {
        Serial.println("Write failed");
    }
}

/*追加写入文件*/
void appendFile(fs::FS &fs, const char * path, const char * message){
    Serial.printf("Appending to file: %s\n", path);

    File file = fs.open(path, FILE_APPEND);
    if(!file){
        Serial.println("Failed to open file for appending");
        return;
    }
    if(file.print(message)){
        Serial.println("Message appended");
    } else {
        Serial.println("Append failed");
    }
}

/*重命名文件*/
void renameFile(fs::FS &fs, const char * path1, const char * path2){
    Serial.printf("Renaming file %s to %s\n", path1, path2);
    if (fs.rename(path1, path2)) {
        Serial.println("File renamed");
    } else {
        Serial.println("Rename failed");
    }
}

/*删除文件*/
void deleteFile(fs::FS &fs, const char * path){
    Serial.printf("Deleting file: %s\n", path);
    if(fs.remove(path)){
        Serial.println("File deleted");
    } else {
        Serial.println("Delete failed");
    }
}

/*测试文件读写速度*/
void testFileIO(fs::FS &fs, const char * path){
    File file = fs.open(path);
    static uint8_t buf[512];
    size_t len = 0;
    uint32_t start = millis();
    uint32_t end = start;
    if(file){
        len = file.size();
        size_t flen = len;
        start = millis();
        while(len){
            size_t toRead = len;
            if(toRead > 512){
                toRead = 512;
            }
            file.read(buf, toRead);
            len -= toRead;
        }
        end = millis() - start;
        Serial.printf("%u bytes read for %u ms\n", flen, end);
        file.close();
    } else {
        Serial.println("Failed to open file for reading");
    }


    file = fs.open(path, FILE_WRITE);
    if(!file){
        Serial.println("Failed to open file for writing");
        return;
    }

    size_t i;
    start = millis();
    for(i=0; i<2048; i++){
        file.write(buf, 512);
    }
    end = millis() - start;
    Serial.printf("%u bytes written for %u ms\n", 2048 * 512, end);
    file.close();
}

void setup(){
    Serial.begin(115200);
    if(!SD_MMC.begin()){
        Serial.println("Card Mount Failed");
        return;
    }
    uint8_t cardType = SD_MMC.cardType();

    if(cardType == CARD_NONE){
        Serial.println("No SD_MMC card attached");
        return;
    }

    Serial.print("SD_MMC Card Type: ");
    if(cardType == CARD_MMC){
        Serial.println("MMC");
    } else if(cardType == CARD_SD){
        Serial.println("SDSC");
    } else if(cardType == CARD_SDHC){
        Serial.println("SDHC");
    } else {
        Serial.println("UNKNOWN");
    }

    uint64_t cardSize = SD_MMC.cardSize() / (1024 * 1024);
    Serial.printf("SD_MMC Card Size: %lluMB\n", cardSize);
    //打印文件列表
    listDir(SD_MMC, "/", 0);
    //在根目录下创建mydir文件夹
    createDir(SD_MMC, "/mydir");
    //打印文件列表，可以看到新建的mydir文件夹
    listDir(SD_MMC, "/", 0);
    //删除刚才创建的mydir目录
    removeDir(SD_MMC, "/mydir");
    //打印文件列表，可以看到mydir文件夹消失了
    listDir(SD_MMC, "/", 2);
    //创建hello.txt文件，向里边写入Hello
    writeFile(SD_MMC, "/hello.txt", "Hello ");
    //在hello.txt文件尾部追加World!\r
    appendFile(SD_MMC, "/hello.txt", "World!\n");
    //读取hello.txt文件,文件内容Hello World!会被打印到串口
    readFile(SD_MMC, "/hello.txt");
    //删除sd卡中原有的foo.txt文件
    deleteFile(SD_MMC, "/foo.txt");
    //将hello.txt重命名为foo.txt
    renameFile(SD_MMC, "/hello.txt", "/foo.txt");
    //读取foo.txt文件，文件内容Hello World!会被打印到串口
    readFile(SD_MMC, "/foo.txt");
    //测试这个SD卡中文件的读写速度
    testFileIO(SD_MMC, "/test.txt");
}

void loop(){

}