2026年2月16日 星期一

[OTTO GO]動畫測試-穩定循環播放 + 不會顏色亂 + 不會卡在 setup return

 

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// ESP32 + TFT_eSPI + microSD (SdFat)
// ST7789 320x240 : RAW565 player (FAST SD read)
// Profile: SD read vs TFT push

#include <TFT_eSPI.h>
#include <SPI.h>
#include <SdFat.h>

TFT_eSPI tft;

// ===== SD pins =====
#define SD_CS   33
#define SD_MOSI 26
#define SD_MISO 36
#define SD_SCLK 25
SPIClass sdSPI(HSPI);

// SdFat objects
SdFat sd;
FsFile f;

// ===== Display size =====
static const int W = 320;
static const int H = 240;

// ===== Playback =====
int totalFrames = 0;           // 由掃描自動取得
int frameDelayMs = 10;         // 你可調整
const char *framePrefix = "tile";
const int digits = 3;

// ===== Block push settings =====
static const int BLOCK_H = 24; // 建議 16~24 更穩
static uint16_t blockBuf[W * BLOCK_H];

static bool drawRaw565_Profile_SdFat(const char *filename) {
  if (!f.open(filename, O_RDONLY)) {
    Serial.println("  開檔失敗");
    return false;
  }

  const uint32_t expected = (uint32_t)W * (uint32_t)H * 2u;
  if (f.fileSize() != expected) {
    Serial.printf("  檔案大小不符：%lu (應為 %lu)\n",
                  (unsigned long)f.fileSize(), (unsigned long)expected);
    f.close();
    return false;
  }

  uint32_t tReadUs = 0, tPushUs = 0;

  tft.startWrite();

  for (int y = 0; y < H; y += BLOCK_H) {
    int thisH = (y + BLOCK_H <= H) ? BLOCK_H : (H - y);
    int pxCount = W * thisH;
    int byteCount = pxCount * 2;

    uint32_t a = micros();
    int got = f.read((uint8_t*)blockBuf, byteCount);
    uint32_t b = micros();
    tReadUs += (b - a);

    if (got != byteCount) {
      Serial.println("  讀取不足");
      tft.endWrite();
      f.close();
      return false;
    }

    a = micros();
    tft.setAddrWindow(0, y, W, thisH);
    tft.pushPixels(blockBuf, pxCount);
    b = micros();
    tPushUs += (b - a);
  }

  tft.endWrite();
  f.close();

//  Serial.printf("  SD讀取: %lu ms, TFT推畫: %lu ms\n",
//                (unsigned long)(tReadUs / 1000),
//                (unsigned long)(tPushUs / 1000));
  return true;
}

// 連續測試 /tile000.raw, /tile001.raw ... 直到缺檔
static int countFrames() {
  int n = 0;
  while (true) {
    char filename[32];
    snprintf(filename, sizeof(filename), "/%s%0*d.raw", framePrefix, digits, n);

    FsFile tf = sd.open(filename, O_RDONLY);
    if (!tf) break;
    tf.close();

    n++;
    if (n > 999) break; // digits=3 的保護
  }
  return n;
}

void setup() {
  Serial.begin(115200);
  delay(300);
  Serial.println("\nSdFat RAW565 開始（修正版）");

  tft.init();
  tft.setRotation(3);

  // ★ 若你的 raw 是 big-endian（用 Python struct.pack('>H') 產生），要開 true
  tft.setSwapBytes(true);

  sdSPI.begin(SD_SCLK, SD_MISO, SD_MOSI, SD_CS);

  bool ok = false;

  // 先試 40MHz
  {
    SdSpiConfig cfg40(SD_CS, DEDICATED_SPI, SD_SCK_MHZ(40), &sdSPI);
    if (sd.begin(cfg40)) {
      Serial.println("SdFat 初始化成功！（40MHz）");
      ok = true;
    }
  }

  // 失敗再試 20MHz
  if (!ok) {
    Serial.println("SdFat 40MHz 失敗，改用 20MHz...");
    SdSpiConfig cfg20(SD_CS, DEDICATED_SPI, SD_SCK_MHZ(20), &sdSPI);
    if (sd.begin(cfg20)) {
      Serial.println("SdFat 初始化成功！（20MHz）");
      ok = true;
    }
  }

  if (!ok) {
    Serial.println("SdFat 初始化失敗！");
    tft.fillScreen(TFT_BLACK);
    tft.setTextColor(TFT_RED, TFT_BLACK);
    tft.setTextDatum(MC_DATUM);
    tft.drawString("SD INIT FAIL", tft.width() / 2, tft.height() / 2);
    while (1) delay(1000);
  }

  Serial.printf("TFT: %dx%d\n", tft.width(), tft.height());

  totalFrames = countFrames();
  Serial.printf("掃描到 %d 幀\n", totalFrames);

  if (totalFrames <= 0) {
    tft.fillScreen(TFT_BLACK);
    tft.setTextColor(TFT_YELLOW, TFT_BLACK);
    tft.setTextDatum(MC_DATUM);
    tft.drawString("NO FRAMES", tft.width() / 2, tft.height() / 2);
  } else {
    tft.fillScreen(TFT_BLACK);
    tft.setTextColor(TFT_GREEN, TFT_BLACK);
    tft.setTextDatum(MC_DATUM);
    tft.drawString("PLAYING...", tft.width() / 2, tft.height() / 2);
    delay(200);
  }
}

void loop() {
  if (totalFrames <= 0) {
    delay(1000);
    return;
  }

  for (int i = 0; i < totalFrames; i++) {
    char filename[32];
    snprintf(filename, sizeof(filename), "/%s%0*d.raw", framePrefix, digits, i);

//    Serial.printf("\n幀 %d/%d → %s\n", i + 1, totalFrames, filename);
    unsigned long start = millis();

    bool ok = drawRaw565_Profile_SdFat(filename);
    if (!ok) {
      tft.fillScreen(TFT_BLACK);
      tft.setTextColor(TFT_RED, TFT_BLACK);
      tft.setTextDatum(MC_DATUM);
      tft.drawString("RAW LOAD FAIL", W / 2, H / 2);
      delay(800);
      break;
    }

    unsigned long end = millis();
//    Serial.printf("  完成，花費 %lu ms\n", end - start);

    delay(frameDelayMs);
  }

  Serial.println("一輪結束...");
  delay(3000);
}
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