nguyen nam
Nam
Dependencies: SRC_STM32F7 F746-GUI SD_PlayerSkeleton F746-SAI-IO
Diff: main.cpp
- Revision:
- 0:415638154129
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Jun 10 11:19:36 2019 +0000
@@ -0,0 +1,459 @@
+
+//--------------------------------------------------------------------
+#include "VolumeCtrl.hpp"
+#include "FileSelectorWav.hpp"
+#include "SD_PlayerSkeleton.hpp"
+#include "SD_WavReader.hpp"
+
+using namespace Mikami;
+
+int main()
+{
+ VolumeCtrl myPlayer("Music Player");
+ myPlayer.Execute();
+
+}
+//-------------------------------------------------
+//Chuong trình con di?u ch?nh biên d? âm thanh
+
+namespace Mikami
+{
+ // Th?c thi x? lý tín hi?u cho m?t kh?i
+ void VolumeCtrl::SignalProcessing()
+ {
+ // Ð?c giá tr? d? li?u âm thanh n?i c?a m?t kh?i t? SD và bi?n nó thành don âm
+ sdReader_.ReadAndToMono(sn_);
+
+ while (!mySai_.IsXferred()) {} // Ch? cho d?n khi truy?n d? li?u hoàn t?t
+
+ for (int n=0; n<BUFF_SIZE_; n++)
+ {
+ int16_t data = volume_*sn_[n]; //Thay d?i âm lu?ng d?u ra
+ mySai_.Output(data, data);
+ }
+ //--------------------------------------------------------------
+ }
+
+ // Ði?u ch?nh âm lu?ng
+ void VolumeCtrl::Modefy()
+ {
+ if (myBar_.Slide())
+ volume_ = myBar_.GetValue();
+ }
+// Hi?n th? khi phát m?t bài hát
+ void VolumeCtrl::Display()
+ {
+ Label musicTitle(207, 80, GetFileNameNoExt(), Label::CENTER, Font16);
+ ctrl_.Draw();
+ myBar_.Redraw();
+ }
+}
+//--------------------------------------------------------------
+namespace Mikami
+{
+ FileSelector::FileSelector(uint8_t x0, uint8_t y0, int maxFiles,
+ int maxNameLength, SD_WavReader &reader)
+ : X_(x0), Y_(y0),
+ MAX_FILES_(maxFiles), MAX_NAME_LENGTH_(maxNameLength),
+ fileNames_(maxFiles), fileNameLabels_(MAX_LIST_PAGE_),
+ next_(50, 238, 64, 36, 2, (string[]){"<", ">"}, 10, 0, 2, -1, Font24),
+ pageLabel_(210, 250, Label::LEFT, Font16),
+ lcd_(GuiBase::GetLcd()), sdReader_(reader), page_(1),
+ nOld_(-1), kOld_(-1)
+ {
+ Array<string> nonString(MAX_LIST_PAGE_, "");
+ rect_ = new ButtonGroup(X_, Y_, W_H_, W_H_, MAX_LIST_PAGE_,
+ nonString, 0, V_L_-W_H_, 1,
+ -1, Font12, 0, GuiBase::ENUM_BACK,
+ BASE_COLOR_, TOUCHED_COLOR_);
+ rect_->EraseAll();
+ next_.EraseAll();
+
+ // T?o Label
+ for (int n=0; n<MAX_LIST_PAGE_; n++)
+ fileNameLabels_[n] = new Label(X_+30, Y_+5+V_L_*n, "",
+ Label::LEFT, Font16, BASE_COLOR_);
+ }
+
+ FileSelector::~FileSelector()
+ {
+ delete rect_;
+ for (int n=0; n<MAX_LIST_PAGE_; n++) delete fileNameLabels_[n];
+ }
+
+ // L?p danh sách các t?p tin. Tr? v? false n?u t?p WAV không t?n t?i
+ bool FileSelector::CreateTable()
+ {
+ DIR* dp = opendir("/sd");
+ fileCount_ = 0;
+ if (dp != NULL)
+ {
+ dirent* entry;
+ for (int n=0; n<256; n++)
+ {
+ entry = readdir(dp);
+ if (entry == NULL) break;
+
+ string strName = entry->d_name;
+ if ( (strName.find(".wav") != string::npos) ||
+ (strName.find(".WAV") != string::npos) )
+ {
+ sdReader_.Open(strName); // m? t?p tin
+
+ // Lo?i tr? các t?p không ph?i PCM, âm thanh n?i 16 bit, t?n s? l?y m?u 44,1 kHz
+ if (sdReader_.IsWavFile())
+ fileNames_[fileCount_++] = strName;
+ sdReader_.Close();
+ }
+ if (fileCount_ >= MAX_FILES_) break;
+ }
+ closedir(dp);
+ }
+ else
+ return false; // n?u th? SD không du?c cài d?t
+ if (fileCount_ == 0) return false; //N?u t?p WAV tuong ?ng không t?n t?i
+
+ div_t m = div(fileCount_, MAX_LIST_PAGE_);
+ maxPage_ = (m.rem == 0) ? m.quot : m.quot+1;
+ return true; //Khi t?p WAV tuong ?ng t?n t?i
+ }
+
+ // ch?n t?p tin
+ bool FileSelector::Select(string &fileName)
+ {
+ int m;
+ if (next_.GetTouchedNumber(m))
+ {
+ if (m==0) page_--;
+ else page_++;
+ DisplayFileList(false);
+ nOld_ = -1;
+ wait_ms(300);
+ }
+
+ int n;
+ if (rect_->GetTouchedNumber(n))
+ {
+ int k = (page_ - 1)*MAX_LIST_PAGE_ + n;
+ fileNameLabels_[n]->Draw(GetFileNameNoExt(k),
+ TOUCHED_COLOR_);
+ fileName = fileNames_[k];
+ // Tr? v? màu c?a tên t?p dã ch?n tru?c dó trên cùng m?t trang
+ if (nOld_ != -1)
+ fileNameLabels_[nOld_]->Draw(GetFileNameNoExt(kOld_),
+ BASE_COLOR_);
+ if (page_ == maxPage_) // xóa hình ch? nh?t ph? trên trang cu?i
+ for (int j=fileCount_ % MAX_LIST_PAGE_ + 1;
+ j < MAX_LIST_PAGE_; j++) rect_->Erase(j);
+ nOld_ = n;
+ kOld_ = k;
+ wait_ms(300);
+ return true;
+ }
+ else
+ return false;
+ }
+
+ // Hi?n th? danh sách các t?p tin
+ void FileSelector::DisplayFileList(bool sortEnable)
+ {
+ if (sortEnable)
+ std::sort((string *)fileNames_,
+ (string *)fileNames_+fileCount_);
+
+ Erase(X_, Y_, MAX_NAME_LENGTH_*((sFONT *)(&Font16))->Width, 272-Y_);
+
+ div_t m = div(fileCount_, MAX_LIST_PAGE_);
+ int count = (m.quot >= page_) ? MAX_LIST_PAGE_ : m.rem;
+ for (int n=0; n<count; n++) rect_->Draw(n);
+ for (int n=0; n<count; n++)
+ fileNameLabels_[n]->Draw(GetFileNameNoExt(n+(page_-1)*MAX_LIST_PAGE_));
+// Hi?n th? trang tru?c, nút ch?n trang ti?p theo, v.v.
+ next_.InactivateAll();
+ if (page_ > 1) next_.Activate(0); // "<" h?p l?
+ if (page_ < maxPage_) next_.Activate(1); // ">" h?p l?
+ char page[6];
+ sprintf(page, "%d/%d", page_, maxPage_);
+ pageLabel_.Draw(page);
+ }
+
+ // xóa danh sách các t?p tin
+ void FileSelector::Erase(uint16_t x, uint16_t y, uint16_t width, uint16_t height,
+ uint32_t color)
+ {
+ lcd_.SetTextColor(color);
+ lcd_.FillRect(x, y, width, height);
+ }
+
+ // L?y tên t?p v?i ph?n m? r?ng b? xóa
+ string FileSelector::GetFileNameNoExt(int n)
+ {
+ string name = fileNames_[n];
+ int k = name.rfind(".");
+ if (k != string::npos)
+ return name.erase(k);
+ else
+ return name;
+ }
+}
+//--------------------------------------------------------------
+//chuong trình hi?n th? giao di?n & di?u khi?n
+
+namespace Mikami
+{
+ SD_PlayerSkeleton::SD_PlayerSkeleton(string str, bool resetButton)
+ : BUFF_SIZE_(2048), sn_(BUFF_SIZE_),
+ mySai_(SaiIO::OUTPUT, BUFF_SIZE_, AUDIO_FREQUENCY_44K),
+ sdReader_(BUFF_SIZE_),
+ fileName_(""),
+ title_(214, 4, str, Label::CENTER, Font16),
+ selector_(0, 22, 256, 37, sdReader_),
+ menu_(BG_LEFT_, 2, BG_WIDTH_, BG_HEIGHT_, 5,
+ (string[]){"SELECT", "PLAY", "PAUSE", "RESUME", "STOP"},
+ 0, 2, 1)
+ {
+ menu_.InactivateAll();
+ menu_.Activate(0);
+
+ if (!selector_.CreateTable())
+ BlinkLabel errLabel(240, 100, "SD CARD ERROR", Label::CENTER);
+
+ if (resetButton) reset_ = new ResetButton();
+ else reset_ = NULL;
+ }
+
+ // th?c thi x? lý trình phát SD
+ void SD_PlayerSkeleton::Execute()
+ {
+ bool playOk = false;
+ int32_t loopCount;
+
+ while (true)
+ {
+ if (playOk) // Trong tru?ng h?p PLAY sau PAUSE
+ loopCount = SD_Open();
+ else // N?u không PLAY sau PAUSE
+ {
+ if (0 == WaitTouched()) SelectFile();
+ loopCount = SD_Open();
+ while (1 != WaitTouched()) {} // Ð?i cho d?n khi PLAY du?c ch?m
+ }
+
+ Display(); // X? lý hi?n th? dành riêng cho ?ng d?ng (ch?c nang ?o)
+ if (reset_ != NULL) reset_->Draw();
+
+ menu_.Inactivate(0); // SELECT b? vô hi?u hóa
+ menu_.Activate(2); // PAUSE b? vô hi?u hóa
+ menu_.Activate(4); // STOP b? vô hi?u hóa
+
+ playOk = false;
+ bool stopOk = false;
+
+ Clear(); // Quá trình xóa ?ng d?ng c? th? (ch?c nang ?o)
+
+ mySai_.PlayOut(); // Play
+
+ // L?p l?i cho d?n khi h?t d? li?u t?p
+ for (int k=0; k<loopCount; k++)
+ {
+ int touch42 = -1;
+ menu_.GetTouchedNumber(touch42);
+ if (touch42 == 4) break; // STOP
+ if (touch42 == 2) // PAUSE X? lý khi ch?m vào nút
+ {
+ menu_.Inactivate(2); // PAUSE Nút không h?p l?
+ menu_.Activate(3); // RESUME Ðã b?t nút
+ mySai_.PauseOut();
+
+ // PLAY Ð?i cho d?n khi 'RESUME' ho?c 'STOP' du?c ch?m vào
+ switch (WaitTouched())
+ {
+ case 1: playOk = true; // PLAY t? d?u
+ break;
+ case 3: mySai_.ResumeOut(); // Ti?p t?c PLAY t? di?m PAUSE
+ menu_.Activate(2);
+ menu_.Inactivate(3);
+ menu_.TouchedColor(1);
+ break;
+ case 4: stopOk = true; // STOP
+ break;
+ }
+ }
+ if (playOk || stopOk) break;
+
+ DoIfHandled();
+ // X? lý tín hi?u cho m?t kh?i dành riêng cho ?ng d?ng (hàm ?o thu?n túy)
+ SignalProcessing();
+ }
+ mySai_.StopOut();
+ if (!playOk) menu_.Activate(0); // SELECT h?p l?
+ menu_.Draw(1); // Kh?i t?o màu c?a nút PLAY
+ for (int n=2; n<5; n++) // Các nút khác b? vô hi?u hóa
+ menu_.Inactivate(n);
+
+ sdReader_.Close(); // Ðóng t?p SD
+ }
+ }
+
+ // L?y tên t?p dã ch?n mà không c?n ph?n m? r?ng
+ string SD_PlayerSkeleton::GetFileNameNoExt()
+ {
+ string fName = fileName_;
+ int k = fName.rfind(".");
+ if (k != string::npos)
+ return fName.erase(k);
+ else
+ return fName;
+ }
+
+ // M? t?p th? SD
+ int32_t SD_PlayerSkeleton::SD_Open()
+ {
+ if (fileName_.empty()) SelectFile();
+ sdReader_.Open(fileName_);
+ sdReader_.IsWavFile();
+ return sdReader_.GetSize()/BUFF_SIZE_;
+ }
+
+ // L?a ch?n t?p tin
+ void SD_PlayerSkeleton::SelectFile()
+ {
+ selector_.DisplayFileList();
+ title_.Draw("Select file");
+ menu_.Inactivate(0); // SELECT vô hi?u hóa
+ menu_.Inactivate(1); // PLAY vô hi?u hóa
+ do
+ if (selector_.Select(fileName_))
+ menu_.Activate(1); // PLAY dã b?t
+ while (!menu_.Touched(1)); // PLAY L?p l?i cho d?n khi nút du?c ch?m
+
+ selector_.Erase(0, 0, BG_LEFT_-4, 272);
+ title_.Draw();
+ }
+
+ // X? lý khi b?ng di?u khi?n du?c v?n hành
+ void SD_PlayerSkeleton::DoIfHandled()
+ {
+ if (reset_ != NULL) reset_->DoIfTouched();
+ Modefy(); // ?ng d?ng thay d?i tham s? c? th? (ch?c nang ?o)
+ }
+
+ //Ð?i trong khi th?c hi?n Do IfHandled () cho d?n khi b?t k? nút nào trên menu du?c ch?m vào
+ int SD_PlayerSkeleton::WaitTouched()
+ {
+ int touchNum;
+ while (!menu_.GetTouchedNumber(touchNum)) DoIfHandled();
+ return touchNum;
+ }
+}
+//-------------------------------------------------
+//chuong trình con d?c file WAV-PCM-16bit-44.1KHz
+
+namespace Mikami
+{
+ SD_WavReader::SD_WavReader(int32_t bufferSize)
+ : STR_("sd"), ok_(false)
+ {
+ sd_ = new SDFileSystem(STR_.c_str());
+ sd_->mount();
+ buffer.SetSize(bufferSize*2);
+ }
+
+ SD_WavReader::~SD_WavReader()
+ {
+ sd_->unmount();
+ delete sd_;
+ }
+
+ void SD_WavReader::Open(const string fileName)
+ {
+ string name = (string)"/" + STR_ + "/" + fileName;
+ fp_ = fopen(name.c_str(), "rb");
+ if (fp_ == NULL) ErrorMsg("Loi The SD!!!");
+ }
+
+
+ // Ð?c m?t ph?n c?a tiêu d? t?p "RIFFxxxxWAVEfmt"
+ // Giá tr? tr? v?: true n?u âm thanh n?i 16 bit, t?n s? l?y m?u là 44,1 kHz
+ bool SD_WavReader::IsWavFile()
+ {
+ char data[17];
+ fread(data, 1, 16, fp_); // Ð?c 16 byte
+ string strRead = "";
+ for (int n=0; n<4; n++) strRead += data[n];
+ // Không ki?m tra 4 ký t? gi?a
+ for (int n=8; n<16; n++) strRead += data[n];
+
+ // Ki?m tra xem "RIFF", "WAVE", "fmt" có t?n t?i không
+ if (strRead != "RIFFWAVEfmt ") return false;
+
+ // có du?c kích thu?c c?a fmt chunck
+ uint32_t fmtChunkSize;
+ fread(&fmtChunkSize, sizeof(uint32_t), 1, fp_);
+
+ // Xác nh?n r?ng dó là PCM, Stereo, 44.1 kHz, 16 bit
+ WaveFormatEx fmtData;
+ fread(&fmtData, fmtChunkSize, 1, fp_);
+ if ((fmtData.wFormatTag != 1) ||
+ (fmtData.nChannels != 2) ||
+ (fmtData.nSamplesPerSec != AUDIO_FREQUENCY_44K) ||
+ (fmtData.wBitsPerSample != 16)
+ ) return false;
+
+ // Tìm d? li?u
+ char dataId[5];
+ dataId[4] = 0;
+ fread(dataId, 1, 4, fp_);
+ if ("data" != (string)dataId)
+ for (int n=0; n<100; n++)
+ {
+ char oneByte;
+ fread(&oneByte, 1, 1, fp_);
+ for (int k=0; k<3; k++)
+ dataId[k] = dataId[k+1];
+ dataId[3] = oneByte;
+ if ("data" == (string)dataId) break;
+
+ if (n == 99) return false;
+ }
+
+ // Nh?n kích thu?c d? li?u (byte)
+ int32_t sizeByte;
+ fread(&sizeByte, sizeof(int32_t), 1, fp_);
+ size_ = sizeByte/4;
+
+ ok_ = true;
+ return true;
+ }
+
+ // Nh?n d? li?u âm thanh n?i t? t?p tin
+ void SD_WavReader::ReadStereo(Array<int16_t>& dataL,
+ Array<int16_t>& dataR)
+ {
+ if (!ok_) ErrorMsg("Get data FAILED");
+ uint32_t size = dataL.Length();
+ fread(buffer, sizeof(int16_t), size*2, fp_);
+ for (int n=0; n<size; n++)
+ {
+ dataL[n] = buffer[2*n];
+ dataR[n] = buffer[2*n+1];
+ }
+ }
+
+ // Chuy?n d?i d? li?u t? t?p tin sang don âm
+ void SD_WavReader::ReadAndToMono(Array<int16_t>& data)
+ {
+ if (!ok_) ErrorMsg("Get data FAILED");
+ uint32_t size = data.Length();
+ fread(buffer, sizeof(int16_t), size*2, fp_);
+ for (int n=0; n<size; n++)
+ data[n] = (buffer[2*n] + buffer[2*n+1])/2;
+ }
+
+ // Thu th?p kích thu?c d? li?u (s? di?m l?y m?u)
+ int32_t SD_WavReader::GetSize()
+ {
+ if (!ok_) ErrorMsg("Get data size FAILED");
+ return size_;
+ }
+}