Nam
Dependencies: SRC_STM32F7 F746-GUI SD_PlayerSkeleton F746-SAI-IO
main.cpp
- Committer:
- nhancap98
- Date:
- 2019-06-10
- Revision:
- 0:415638154129
File content as of revision 0:415638154129:
//-------------------------------------------------------------------- #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_; } }