From e40fafa074e27773137a23de4f0deac8ff7ef2d3 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Tue, 21 Feb 2023 23:51:41 +0900
Subject: [PATCH 01/29] del trailing spaces and add last line

---
 ESP32_BadApple.ino | 35 ++++++++++++++++++-----------------
 1 file changed, 18 insertions(+), 17 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 3c34271..64a6c89 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -4,7 +4,7 @@
 #include "SSD1306.h"
 #include "heatshrink_decoder.h"
 
-// Hints: 
+// Hints:
 // * Adjust the display pins below
 // * After uploading to ESP32, also do "ESP32 Sketch Data Upload" from Arduino
 
@@ -17,7 +17,7 @@ SSD1306 display (0x3c, 4, 15); // For Heltec
 
 static heatshrink_decoder hsd;
 
-// global storage for putPixels 
+// global storage for putPixels
 int16_t curr_x = 0;
 int16_t curr_y = 0;
 
@@ -64,9 +64,9 @@ void putPixels(uint8_t c, int32_t len) {
     b = 128;
     for(int i=0; i<8; i++) {
       if(c & b) {
-        display.setColor(WHITE);  
+        display.setColor(WHITE);
       } else {
-        display.setColor(BLACK); 
+        display.setColor(BLACK);
       }
       b >>= 1;
       display.setPixel(curr_x, curr_y);
@@ -116,8 +116,8 @@ void decodeRLE(uint8_t c) {
           } else {
             putPixels(255, runlength);
           }
-          c_to_dup = -1;  
-          runlength = -1;        
+          c_to_dup = -1;
+          runlength = -1;
       }
     }
 }
@@ -127,12 +127,12 @@ void decodeRLE(uint8_t c) {
 void readFile(fs::FS &fs, const char * path){
     static uint8_t rle_buf[RLEBUFSIZE];
     size_t rle_bufhead = 0;
-    size_t rle_size = 0; 
-  
+    size_t rle_size = 0;
+
     size_t filelen = 0;
     size_t filesize;
     static uint8_t compbuf[READBUFSIZE];
-    
+
     Serial.printf("Reading file: %s\n", path);
     File file = fs.open(path);
     if(!file || file.isDirectory()){
@@ -150,8 +150,8 @@ void readFile(fs::FS &fs, const char * path){
     curr_x = 0;
     curr_y = 0;
     runlength = -1;
-    c_to_dup = -1;   
-    lastRefresh = millis(); 
+    c_to_dup = -1;
+    lastRefresh = millis();
 
     // init decoder
     heatshrink_decoder_reset(&hsd);
@@ -160,7 +160,7 @@ void readFile(fs::FS &fs, const char * path){
     size_t toRead;
     size_t toSink = 0;
     uint32_t sinkHead = 0;
-    
+
 
     // Go through file...
     while(filelen) {
@@ -177,14 +177,14 @@ void readFile(fs::FS &fs, const char * path){
       HSD_sink_res sres;
       sres = heatshrink_decoder_sink(&hsd, &compbuf[sinkHead], toSink, &count);
       //Serial.print("^^ sinked ");
-      //Serial.println(count);      
+      //Serial.println(count);
       toSink -= count;
-      sinkHead = count;        
+      sinkHead = count;
       sunk += count;
       if (sunk == filesize) {
         heatshrink_decoder_finish(&hsd);
       }
-        
+
       HSD_poll_res pres;
       do {
           rle_size = 0;
@@ -225,7 +225,7 @@ void setup(){
     display.setFont(ArialMT_Plain_10);
     display.setColor(WHITE);
     display.drawString(0, 0, "Mounting SPIFFS...     ");
-    display.display();        
+    display.display();
     if(!SPIFFS.begin()){
         Serial.println("SPIFFS mount failed");
         display.drawStringMaxWidth(0, 10, 128, "SPIFFS mount failed. Upload video.hs using ESP32 Sketch Upload."); display.display();
@@ -252,4 +252,5 @@ void setup(){
 
 void loop(){
 
-}
+}
+

From d76023401bc675fd5c6eb35f52aac7265b5c94a3 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Wed, 22 Feb 2023 23:33:37 +0900
Subject: [PATCH 02/29] SSD1306 display I2C bus For Wemos Lolin32 ESP32

---
 ESP32_BadApple.ino | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 64a6c89..e18f191 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -8,8 +8,17 @@
 // * Adjust the display pins below
 // * After uploading to ESP32, also do "ESP32 Sketch Data Upload" from Arduino
 
-SSD1306 display (0x3c, 4, 15); // For Heltec
-//SSD1306 display (0x3c, 5, 4);
+// SSD1306 display I2C bus
+// For Heltec
+// #define I2C_SCL 15
+// #define I2C_SDA 4
+// #define RESET_OLED 16
+
+// For Wemos Lolin32 ESP32
+#define I2C_SCL 4
+#define I2C_SDA 5
+
+SSD1306 display (0x3c, I2C_SDA, I2C_SCL);
 
 #if HEATSHRINK_DYNAMIC_ALLOC
 #error HEATSHRINK_DYNAMIC_ALLOC must be false for static allocation test suite.
@@ -216,8 +225,10 @@ void readFile(fs::FS &fs, const char * path){
 
 void setup(){
     Serial.begin(115200);
+#ifdef RESET_OLED
     // Reset for some displays
-    pinMode(16,OUTPUT); digitalWrite(16, LOW); delay(50); digitalWrite(16, HIGH);
+    pinMode(RESET_OLED, OUTPUT); digitalWrite(RESET_OLED, LOW); delay(50); digitalWrite(RESET_OLED, HIGH);
+#endif
     display.init();
     display.flipScreenVertically ();
     display.clear();

From 63d5239a761fd879e50b2694b8535b4e9c523e25 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Wed, 22 Feb 2023 23:56:14 +0900
Subject: [PATCH 03/29] mod Difine OLED setBrightness

---
 ESP32_BadApple.ino | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index e18f191..7189435 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -18,6 +18,8 @@
 #define I2C_SCL 4
 #define I2C_SDA 5
 
+#define OLED_BRIGHTNESS 16
+
 SSD1306 display (0x3c, I2C_SDA, I2C_SCL);
 
 #if HEATSHRINK_DYNAMIC_ALLOC
@@ -230,6 +232,9 @@ void setup(){
     pinMode(RESET_OLED, OUTPUT); digitalWrite(RESET_OLED, LOW); delay(50); digitalWrite(RESET_OLED, HIGH);
 #endif
     display.init();
+#ifdef OLED_BRIGHTNESS
+    display.setBrightness(OLED_BRIGHTNESS);
+#endif
     display.flipScreenVertically ();
     display.clear();
     display.setTextAlignment (TEXT_ALIGN_LEFT);

From d880588818d6c3ae4e4840abf524d54bd92eaecf Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Wed, 22 Feb 2023 23:57:51 +0900
Subject: [PATCH 04/29] mod Difine Board Boot SW GPIO 0

---
 ESP32_BadApple.ino | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 7189435..4eb6047 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -4,6 +4,9 @@
 #include "SSD1306.h"
 #include "heatshrink_decoder.h"
 
+// Board Boot SW GPIO 0
+#define BOOT_SW 0
+
 // Hints:
 // * Adjust the display pins below
 // * After uploading to ESP32, also do "ESP32 Sketch Data Upload" from Arduino
@@ -90,7 +93,7 @@ void putPixels(uint8_t c, int32_t len) {
           display.display();
           //display.clear();
           // 30 fps target rate
-          if(digitalRead(0)) while((millis() - lastRefresh) < 33) ;
+          if(digitalRead(BOOT_SW)) while((millis() - lastRefresh) < 33) ;
           lastRefresh = millis();
         }
       }
@@ -248,7 +251,7 @@ void setup(){
         return;
     }
 
-    pinMode(0, INPUT_PULLUP);
+    pinMode(BOOT_SW, INPUT_PULLUP);
     Serial.print("totalBytes(): ");
     Serial.println(SPIFFS.totalBytes());
     Serial.print("usedBytes(): ");

From a6f330cbc9ecb95ae023894e1cdaae098ca69a80 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Wed, 22 Feb 2023 23:58:25 +0900
Subject: [PATCH 05/29] mod Add Reset to Infinite Loop Demo !

---
 ESP32_BadApple.ino | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 4eb6047..7bdbe82 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -224,6 +224,11 @@ void readFile(fs::FS &fs, const char * path){
     }
     file.close();
     Serial.println("Done.");
+
+    // 10 sec
+    delay(10000);
+    // Reset to Infinite Loop Demo !
+    ESP.restart();
 }
 
 

From dedd45f6c43eaf9b8bf4342e965009c5f972e17b Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Fri, 24 Feb 2023 14:16:07 +0900
Subject: [PATCH 06/29] mod More Accurate frame rate

---
 ESP32_BadApple.ino | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 7bdbe82..a2b30c1 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -70,7 +70,9 @@ void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
     }
 }
 
-uint32_t lastRefresh = 0;
+unsigned long lastRefresh = 0;
+// 30 fps target rate = 33.333us
+#define FRAME_DERAY_US 33333UL
 
 void putPixels(uint8_t c, int32_t len) {
   uint8_t b = 0;
@@ -90,11 +92,14 @@ void putPixels(uint8_t c, int32_t len) {
         curr_y++;
         if(curr_y >= 64) {
           curr_y = 0;
+
+          // Update Display frame
           display.display();
           //display.clear();
-          // 30 fps target rate
-          if(digitalRead(BOOT_SW)) while((millis() - lastRefresh) < 33) ;
-          lastRefresh = millis();
+
+          // 30 fps target rate = 33.333us
+          lastRefresh += FRAME_DERAY_US;
+          if(digitalRead(BOOT_SW)) while(micros() < lastRefresh) ;
         }
       }
     }
@@ -165,7 +170,6 @@ void readFile(fs::FS &fs, const char * path){
     curr_y = 0;
     runlength = -1;
     c_to_dup = -1;
-    lastRefresh = millis();
 
     // init decoder
     heatshrink_decoder_reset(&hsd);
@@ -175,6 +179,7 @@ void readFile(fs::FS &fs, const char * path){
     size_t toSink = 0;
     uint32_t sinkHead = 0;
 
+    lastRefresh = micros();
 
     // Go through file...
     while(filelen) {

From e5bf0367c4076d800307d708d0412447ee702a40 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Fri, 24 Feb 2023 14:17:21 +0900
Subject: [PATCH 07/29] fix No wait mode delay Bug and Optimize Button handring

---
 ESP32_BadApple.ino | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index a2b30c1..9d7319a 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -70,10 +70,17 @@ void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
     }
 }
 
-unsigned long lastRefresh = 0;
+volatile unsigned long lastRefresh = 0;
 // 30 fps target rate = 33.333us
 #define FRAME_DERAY_US 33333UL
 
+volatile bool isButtonPressing = false;
+
+void ARDUINO_ISR_ATTR isr() {
+    lastRefresh = micros();
+    isButtonPressing = (digitalRead(BOOT_SW) == LOW);
+}
+
 void putPixels(uint8_t c, int32_t len) {
   uint8_t b = 0;
   while(len--) {
@@ -97,9 +104,11 @@ void putPixels(uint8_t c, int32_t len) {
           display.display();
           //display.clear();
 
-          // 30 fps target rate = 33.333us
-          lastRefresh += FRAME_DERAY_US;
-          if(digitalRead(BOOT_SW)) while(micros() < lastRefresh) ;
+          if(!isButtonPressing) {
+            // 30 fps target rate = 33.333us
+            lastRefresh += FRAME_DERAY_US;
+            while(micros() < lastRefresh) ;
+          }
         }
       }
     }
@@ -262,6 +271,7 @@ void setup(){
     }
 
     pinMode(BOOT_SW, INPUT_PULLUP);
+    attachInterrupt(BOOT_SW, isr, CHANGE);
     Serial.print("totalBytes(): ");
     Serial.println(SPIFFS.totalBytes());
     Serial.print("usedBytes(): ");

From 1974d0509912a07bed7b81d0cf472700648180c0 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Fri, 24 Feb 2023 14:18:24 +0900
Subject: [PATCH 08/29] mod Add Frame counter and More Accurate frame rate

---
 ESP32_BadApple.ino | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 9d7319a..09790b7 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -7,6 +7,9 @@
 // Board Boot SW GPIO 0
 #define BOOT_SW 0
 
+// Frame counter
+#define ENABLE_FRAME_COUNTER
+
 // Hints:
 // * Adjust the display pins below
 // * After uploading to ESP32, also do "ESP32 Sketch Data Upload" from Arduino
@@ -73,6 +76,9 @@ void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
 volatile unsigned long lastRefresh = 0;
 // 30 fps target rate = 33.333us
 #define FRAME_DERAY_US 33333UL
+#ifdef ENABLE_FRAME_COUNTER
+int32_t frame = 0;
+#endif
 
 volatile bool isButtonPressing = false;
 
@@ -107,6 +113,10 @@ void putPixels(uint8_t c, int32_t len) {
           if(!isButtonPressing) {
             // 30 fps target rate = 33.333us
             lastRefresh += FRAME_DERAY_US;
+#ifdef ENABLE_FRAME_COUNTER
+            // Adjust 33.334us every 3 frame
+            if ((++frame % 3) == 0) lastRefresh++;
+#endif
             while(micros() < lastRefresh) ;
           }
         }
@@ -237,7 +247,12 @@ void readFile(fs::FS &fs, const char * path){
       } while (pres == HSDR_POLL_MORE);
     }
     file.close();
+#ifdef ENABLE_FRAME_COUNTER
+    Serial.print("Done. ");
+    Serial.println(frame);
+#else
     Serial.println("Done.");
+#endif
 
     // 10 sec
     delay(10000);

From 6d3a0d075886192780af8b293d724a326aae2fca Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Thu, 23 Feb 2023 19:09:07 +0900
Subject: [PATCH 09/29] mod Disable heatshrink error checking

---
 ESP32_BadApple.ino | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 09790b7..4f9b36c 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -10,6 +10,9 @@
 // Frame counter
 #define ENABLE_FRAME_COUNTER
 
+// Disable heatshrink error checking
+#define DISABLE_HS_ERROR
+
 // Hints:
 // * Adjust the display pins below
 // * After uploading to ESP32, also do "ESP32 Sketch Data Upload" from Arduino
@@ -229,19 +232,23 @@ void readFile(fs::FS &fs, const char * path){
           pres = heatshrink_decoder_poll(&hsd, rle_buf, RLEBUFSIZE, &rle_size);
           //Serial.print("^^ polled ");
           //Serial.println(rle_size);
+#ifndef DISABLE_HS_ERROR
           if(pres < 0) {
             Serial.print("POLL ERR! ");
             Serial.println(pres);
             return;
           }
+#endif
 
           rle_bufhead = 0;
           while(rle_size) {
             rle_size--;
+#ifndef DISABLE_HS_ERROR
             if(rle_bufhead >= RLEBUFSIZE) {
               Serial.println("RLE_SIZE ERR!");
               return;
             }
+#endif
             decodeRLE(rle_buf[rle_bufhead++]);
           }
       } while (pres == HSDR_POLL_MORE);

From f60d4ea70ec912ed5b30b8c11f66416176994068 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Thu, 23 Feb 2023 00:05:46 +0900
Subject: [PATCH 10/29] mod Optimize readFile display.resetDisplay()

---
 ESP32_BadApple.ino | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 4f9b36c..c43fcc8 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -186,8 +186,7 @@ void readFile(fs::FS &fs, const char * path){
     Serial.printf("File size: %d\n", filelen);
 
     // init display, putPixels and decodeRLE
-    display.clear();
-    display.display();
+    display.resetDisplay();
     curr_x = 0;
     curr_y = 0;
     runlength = -1;

From fc772eb9243bbfec03c2a006acdd333fb5971bb6 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Thu, 23 Feb 2023 00:06:12 +0900
Subject: [PATCH 11/29] mod Optimize readFile file.read

---
 ESP32_BadApple.ino | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index c43fcc8..5761cd1 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -196,7 +196,6 @@ void readFile(fs::FS &fs, const char * path){
     heatshrink_decoder_reset(&hsd);
     size_t   count  = 0;
     uint32_t sunk   = 0;
-    size_t toRead;
     size_t toSink = 0;
     uint32_t sinkHead = 0;
 
@@ -205,11 +204,8 @@ void readFile(fs::FS &fs, const char * path){
     // Go through file...
     while(filelen) {
       if(toSink == 0) {
-        toRead = filelen;
-        if(toRead > READBUFSIZE) toRead = READBUFSIZE;
-        file.read(compbuf, toRead);
-        filelen -= toRead;
-        toSink = toRead;
+        toSink = file.read(compbuf, READBUFSIZE);
+        filelen -= toSink;
         sinkHead = 0;
       }
 

From 87a7075e4d8c429f4cb58bee4ecdcbe05e51d730 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Thu, 23 Feb 2023 00:06:40 +0900
Subject: [PATCH 12/29] mod Optimize readFile delete Unused HSD_sink_res

---
 ESP32_BadApple.ino | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 5761cd1..1d61f96 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -210,8 +210,7 @@ void readFile(fs::FS &fs, const char * path){
       }
 
       // uncompress buffer
-      HSD_sink_res sres;
-      sres = heatshrink_decoder_sink(&hsd, &compbuf[sinkHead], toSink, &count);
+      heatshrink_decoder_sink(&hsd, &compbuf[sinkHead], toSink, &count);
       //Serial.print("^^ sinked ");
       //Serial.println(count);
       toSink -= count;

From 20d1711a4f958e90bba682902eac7b37f9296c2b Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Thu, 23 Feb 2023 00:07:13 +0900
Subject: [PATCH 13/29] mod Optimize readFile decodeRLE rle_buf

---
 ESP32_BadApple.ino | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 1d61f96..daeb558 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -167,7 +167,7 @@ void decodeRLE(uint8_t c) {
 #define READBUFSIZE 2048
 void readFile(fs::FS &fs, const char * path){
     static uint8_t rle_buf[RLEBUFSIZE];
-    size_t rle_bufhead = 0;
+    uint8_t* p_rle_buf;
     size_t rle_size = 0;
 
     size_t filelen = 0;
@@ -234,7 +234,7 @@ void readFile(fs::FS &fs, const char * path){
           }
 #endif
 
-          rle_bufhead = 0;
+          p_rle_buf = rle_buf;
           while(rle_size) {
             rle_size--;
 #ifndef DISABLE_HS_ERROR
@@ -243,7 +243,7 @@ void readFile(fs::FS &fs, const char * path){
               return;
             }
 #endif
-            decodeRLE(rle_buf[rle_bufhead++]);
+            decodeRLE(*(p_rle_buf++));
           }
       } while (pres == HSDR_POLL_MORE);
     }

From 0fb001b2e9a48985ed813ab524de93521a4f777a Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Fri, 24 Feb 2023 14:21:00 +0900
Subject: [PATCH 14/29] mod Optimize int16_t to int32_t  for Reduse Program
 size 12 byte (323437 bytes to 323425 bytes)

---
 ESP32_BadApple.ino | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index daeb558..06e21d0 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -38,8 +38,8 @@ SSD1306 display (0x3c, I2C_SDA, I2C_SCL);
 static heatshrink_decoder hsd;
 
 // global storage for putPixels
-int16_t curr_x = 0;
-int16_t curr_y = 0;
+int32_t curr_x = 0;
+int32_t curr_y = 0;
 
 // global storage for decodeRLE
 int32_t runlength = -1;

From c33224c48ebb17a068a2d9da65b414b71a69b322 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Fri, 24 Feb 2023 14:21:48 +0900
Subject: [PATCH 15/29] mod Optimize int16_t to int32_t  for Reduse Program
 size 24 byte (323425 bytes to 323401 bytes)

---
 ESP32_BadApple.ino | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 06e21d0..1366c39 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -90,8 +90,8 @@ void ARDUINO_ISR_ATTR isr() {
     isButtonPressing = (digitalRead(BOOT_SW) == LOW);
 }
 
-void putPixels(uint8_t c, int32_t len) {
-  uint8_t b = 0;
+void putPixels(uint32_t c, int32_t len) {
+  uint32_t b = 0;
   while(len--) {
     b = 128;
     for(int i=0; i<8; i++) {
@@ -128,7 +128,7 @@ void putPixels(uint8_t c, int32_t len) {
   }
 }
 
-void decodeRLE(uint8_t c) {
+void decodeRLE(uint32_t c) {
     if(c_to_dup == -1) {
       if((c == 0x55) || (c == 0xaa)) {
         c_to_dup = c;

From fab9458897799459870bfababf3b3ce429da2178 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Mon, 27 Feb 2023 14:41:36 +0900
Subject: [PATCH 16/29] mod I2C SCLK 700kHz to 4MHz (However, Actual measured
 value is 892 kHz)

---
 ESP32_BadApple.ino | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 1366c39..c904a45 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -29,7 +29,15 @@
 
 #define OLED_BRIGHTNESS 16
 
+// MAX freq for SCL is 4 MHz, However, Actual measured value is 892 kHz . (ESP32-D0WDQ6 (revision 1))
+// see Inter-Integrated Circuit (I2C)
+// https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/i2c.html
+#define I2C_SCLK_FREQ 4000000
+#ifdef I2C_SCLK_FREQ
+SSD1306 display (0x3c, I2C_SDA, I2C_SCL, GEOMETRY_128_64, I2C_ONE, I2C_SCLK_FREQ);
+#else
 SSD1306 display (0x3c, I2C_SDA, I2C_SCL);
+#endif
 
 #if HEATSHRINK_DYNAMIC_ALLOC
 #error HEATSHRINK_DYNAMIC_ALLOC must be false for static allocation test suite.

From 1b53b91cc557993d207c0cb07e30d9a49793fdd0 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Mon, 27 Feb 2023 14:44:51 +0900
Subject: [PATCH 17/29] mod Add Enable I2C Clock up 892kHz to 1.31MHz (It
 Actual measured value)

---
 ESP32_BadApple.ino | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index c904a45..ddb0e3b 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -39,6 +39,9 @@ SSD1306 display (0x3c, I2C_SDA, I2C_SCL, GEOMETRY_128_64, I2C_ONE, I2C_SCLK_FREQ
 SSD1306 display (0x3c, I2C_SDA, I2C_SCL);
 #endif
 
+// Enable I2C Clock up 892kHz to 1.31MHz (It Actual measured value with ESP32-D0WDQ6 (revision 1))
+// #define ENABLE_EXTRA_I2C_CLOCK_UP
+
 #if HEATSHRINK_DYNAMIC_ALLOC
 #error HEATSHRINK_DYNAMIC_ALLOC must be false for static allocation test suite.
 #endif
@@ -301,6 +304,21 @@ void setup(){
     Serial.print("usedBytes(): ");
     Serial.println(SPIFFS.usedBytes());
     listDir(SPIFFS, "/", 0);
+
+#ifdef ENABLE_EXTRA_I2C_CLOCK_UP
+    // Direct Access I2C SCL frequency setting value
+    // It Tested ESP32-D0WDQ6 (revision 1)
+    uint32_t* ptr;
+    ptr = (uint32_t*)0x3FF53000; // I2C_SCL_LOW_PERIOD_REG
+    // *ptr = 30; // Don't work
+    // *ptr = 31; // Sometime Stop Frame drawing
+    // *ptr = 32; // Works
+    *ptr = 35; // Safety value
+    ptr = (uint32_t*)0x3FF53038; // I2C_SCL_HIGH_PERIOD_REG
+    // *ptr = 0; // Works
+    *ptr = 2; // Safety value
+#endif
+
     readFile(SPIFFS, "/video.hs");
 
     //Serial.print("Format SPIFSS? (enter y for yes): ");

From dbcd6fe269458c6afc99214acd019e28443d378c Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Mon, 27 Feb 2023 14:45:31 +0900
Subject: [PATCH 18/29] mod Optimize Direct Draw OLED buffer

---
 ESP32_BadApple.ino | 54 ++++++++++++++++++++++++++++++++++------------
 1 file changed, 40 insertions(+), 14 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index ddb0e3b..b11cd72 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -93,6 +93,8 @@ volatile unsigned long lastRefresh = 0;
 #ifdef ENABLE_FRAME_COUNTER
 int32_t frame = 0;
 #endif
+uint8_t* pImage;
+uint32_t b = 0x01;
 
 volatile bool isButtonPressing = false;
 
@@ -102,23 +104,46 @@ void ARDUINO_ISR_ATTR isr() {
 }
 
 void putPixels(uint32_t c, int32_t len) {
-  uint32_t b = 0;
   while(len--) {
-    b = 128;
-    for(int i=0; i<8; i++) {
-      if(c & b) {
-        display.setColor(WHITE);
-      } else {
-        display.setColor(BLACK);
-      }
-      b >>= 1;
-      display.setPixel(curr_x, curr_y);
-      curr_x++;
-      if(curr_x >= 128) {
-        curr_x = 0;
+    // Direct Draw OLED buffer
+    // OLED Buffer Image Rotate 90 Convert X-Y and Byte structure
+    if (b == 0x01) {
+      *(pImage++) = (c & 0x80) ? b : 0;
+      *(pImage++) = (c & 0x40) ? b : 0;
+      *(pImage++) = (c & 0x20) ? b : 0;
+      *(pImage++) = (c & 0x10) ? b : 0;
+
+      *(pImage++) = (c & 0x08) ? b : 0;
+      *(pImage++) = (c & 0x04) ? b : 0;
+      *(pImage++) = (c & 0x02) ? b : 0;
+      *(pImage++) = (c & 0x01) ? b : 0;
+    } else {
+      *(pImage++) |= (c & 0x80) ? b : 0;
+      *(pImage++) |= (c & 0x40) ? b : 0;
+      *(pImage++) |= (c & 0x20) ? b : 0;
+      *(pImage++) |= (c & 0x10) ? b : 0;
+
+      *(pImage++) |= (c & 0x08) ? b : 0;
+      *(pImage++) |= (c & 0x04) ? b : 0;
+      *(pImage++) |= (c & 0x02) ? b : 0;
+      *(pImage++) |= (c & 0x01) ? b : 0;
+    }
+
+    curr_x++;
+    if(curr_x == 128/8) {
+      curr_x = 0;
+      pImage -= 128;
+
+      b <<= 1;
+      if(b == 0x100) {
+        // Next Page
+        pImage += 128;
+        b = 0x01;
+
         curr_y++;
-        if(curr_y >= 64) {
+        if(curr_y == 8) {
           curr_y = 0;
+          pImage = display.buffer;
 
           // Update Display frame
           display.display();
@@ -200,6 +225,7 @@ void readFile(fs::FS &fs, const char * path){
     display.resetDisplay();
     curr_x = 0;
     curr_y = 0;
+    pImage = display.buffer;
     runlength = -1;
     c_to_dup = -1;
 

From d83deb95d5b6352f950aba447022c46381e3f0f6 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Thu, 23 Feb 2023 02:31:30 +0900
Subject: [PATCH 19/29] mod More Optimize Direct Draw OLED buffer

---
 ESP32_BadApple.ino | 54 +++++++++++++++++++++++++++++++++++++---------
 1 file changed, 44 insertions(+), 10 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index b11cd72..9f91359 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -108,16 +108,48 @@ void putPixels(uint32_t c, int32_t len) {
     // Direct Draw OLED buffer
     // OLED Buffer Image Rotate 90 Convert X-Y and Byte structure
     if (b == 0x01) {
-      *(pImage++) = (c & 0x80) ? b : 0;
-      *(pImage++) = (c & 0x40) ? b : 0;
-      *(pImage++) = (c & 0x20) ? b : 0;
-      *(pImage++) = (c & 0x10) ? b : 0;
-
-      *(pImage++) = (c & 0x08) ? b : 0;
-      *(pImage++) = (c & 0x04) ? b : 0;
-      *(pImage++) = (c & 0x02) ? b : 0;
-      *(pImage++) = (c & 0x01) ? b : 0;
-    } else {
+      if (c == 0xff) {
+        *(pImage++) = b;
+        *(pImage++) = b;
+        *(pImage++) = b;
+        *(pImage++) = b;
+
+        *(pImage++) = b;
+        *(pImage++) = b;
+        *(pImage++) = b;
+        *(pImage++) = b;
+      } else if (c != 0x00) {
+        *(pImage++) = (c & 0x80) ? b : 0;
+        *(pImage++) = (c & 0x40) ? b : 0;
+        *(pImage++) = (c & 0x20) ? b : 0;
+        *(pImage++) = (c & 0x10) ? b : 0;
+
+        *(pImage++) = (c & 0x08) ? b : 0;
+        *(pImage++) = (c & 0x04) ? b : 0;
+        *(pImage++) = (c & 0x02) ? b : 0;
+        *(pImage++) = (c & 0x01) ? b : 0;
+      } else {
+        *(pImage++) = 0;
+        *(pImage++) = 0;
+        *(pImage++) = 0;
+        *(pImage++) = 0;
+
+        *(pImage++) = 0;
+        *(pImage++) = 0;
+        *(pImage++) = 0;
+        *(pImage++) = 0;
+      }
+    } else if (c == 0xff) {
+      *(pImage++) |= b;
+      *(pImage++) |= b;
+      *(pImage++) |= b;
+      *(pImage++) |= b;
+
+      *(pImage++) |= b;
+      *(pImage++) |= b;
+      *(pImage++) |= b;
+      *(pImage++) |= b;
+    } else if (c != 0x00) {
       *(pImage++) |= (c & 0x80) ? b : 0;
       *(pImage++) |= (c & 0x40) ? b : 0;
       *(pImage++) |= (c & 0x20) ? b : 0;
@@ -127,6 +159,8 @@ void putPixels(uint32_t c, int32_t len) {
       *(pImage++) |= (c & 0x04) ? b : 0;
       *(pImage++) |= (c & 0x02) ? b : 0;
       *(pImage++) |= (c & 0x01) ? b : 0;
+    } else {
+      pImage += 8;
     }
 
     curr_x++;

From a000af96a9edf2d698eede158fe45f4585dbb472 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Thu, 23 Feb 2023 22:24:30 +0900
Subject: [PATCH 20/29] mod More Optimize Direct Draw OLED buffer Write 4 dot

---
 ESP32_BadApple.ino | 84 +++++++++++++++++++---------------------------
 1 file changed, 34 insertions(+), 50 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 9f91359..b8cc40e 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -104,63 +104,47 @@ void ARDUINO_ISR_ATTR isr() {
 }
 
 void putPixels(uint32_t c, int32_t len) {
+  uint32_t d1;
+  uint32_t d2;
+
   while(len--) {
     // Direct Draw OLED buffer
     // OLED Buffer Image Rotate 90 Convert X-Y and Byte structure
-    if (b == 0x01) {
+    {
+      // 4 dot(Direct Access 4 byte, 32 bit)
+      d1 = 0;
+      d2 = 0;
       if (c == 0xff) {
-        *(pImage++) = b;
-        *(pImage++) = b;
-        *(pImage++) = b;
-        *(pImage++) = b;
-
-        *(pImage++) = b;
-        *(pImage++) = b;
-        *(pImage++) = b;
-        *(pImage++) = b;
+        d1  = b; d1 <<= 8;
+        d1 |= b; d1 <<= 8;
+        d1 |= b; d1 <<= 8;
+        d1 |= b;
+
+        d2 = d1;
+      } else if (c != 0x00) {
+        d1  = (c & 0x10) ? b : 0; d1 <<= 8;
+        d1 |= (c & 0x20) ? b : 0; d1 <<= 8;
+        d1 |= (c & 0x40) ? b : 0; d1 <<= 8;
+        d1 |= (c & 0x80) ? b : 0;
+
+        d2  = (c & 0x01) ? b : 0; d2 <<= 8;
+        d2 |= (c & 0x02) ? b : 0; d2 <<= 8;
+        d2 |= (c & 0x04) ? b : 0; d2 <<= 8;
+        d2 |= (c & 0x08) ? b : 0;
+      }
+
+      if (b == 0x01) {
+        *(uint32_t*)pImage = d1;
+        pImage += 4;
+        *(uint32_t*)pImage = d2;
       } else if (c != 0x00) {
-        *(pImage++) = (c & 0x80) ? b : 0;
-        *(pImage++) = (c & 0x40) ? b : 0;
-        *(pImage++) = (c & 0x20) ? b : 0;
-        *(pImage++) = (c & 0x10) ? b : 0;
-
-        *(pImage++) = (c & 0x08) ? b : 0;
-        *(pImage++) = (c & 0x04) ? b : 0;
-        *(pImage++) = (c & 0x02) ? b : 0;
-        *(pImage++) = (c & 0x01) ? b : 0;
+        *(uint32_t*)pImage |= d1;
+        pImage += 4;
+        *(uint32_t*)pImage |= d2;
       } else {
-        *(pImage++) = 0;
-        *(pImage++) = 0;
-        *(pImage++) = 0;
-        *(pImage++) = 0;
-
-        *(pImage++) = 0;
-        *(pImage++) = 0;
-        *(pImage++) = 0;
-        *(pImage++) = 0;
+        pImage += 4;
       }
-    } else if (c == 0xff) {
-      *(pImage++) |= b;
-      *(pImage++) |= b;
-      *(pImage++) |= b;
-      *(pImage++) |= b;
-
-      *(pImage++) |= b;
-      *(pImage++) |= b;
-      *(pImage++) |= b;
-      *(pImage++) |= b;
-    } else if (c != 0x00) {
-      *(pImage++) |= (c & 0x80) ? b : 0;
-      *(pImage++) |= (c & 0x40) ? b : 0;
-      *(pImage++) |= (c & 0x20) ? b : 0;
-      *(pImage++) |= (c & 0x10) ? b : 0;
-
-      *(pImage++) |= (c & 0x08) ? b : 0;
-      *(pImage++) |= (c & 0x04) ? b : 0;
-      *(pImage++) |= (c & 0x02) ? b : 0;
-      *(pImage++) |= (c & 0x01) ? b : 0;
-    } else {
-      pImage += 8;
+      pImage += 4;
     }
 
     curr_x++;

From 416ffac4bc29b8947186817e25e629f4396703ed Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Thu, 23 Feb 2023 11:52:30 +0900
Subject: [PATCH 21/29] mod Change pImage uint8_t* to uint32_t*

---
 ESP32_BadApple.ino | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index b8cc40e..bfed29f 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -93,7 +93,7 @@ volatile unsigned long lastRefresh = 0;
 #ifdef ENABLE_FRAME_COUNTER
 int32_t frame = 0;
 #endif
-uint8_t* pImage;
+uint32_t* pImage;
 uint32_t b = 0x01;
 
 volatile bool isButtonPressing = false;
@@ -134,34 +134,32 @@ void putPixels(uint32_t c, int32_t len) {
       }
 
       if (b == 0x01) {
-        *(uint32_t*)pImage = d1;
-        pImage += 4;
-        *(uint32_t*)pImage = d2;
+        *pImage++ = d1;
+        *pImage   = d2;
       } else if (c != 0x00) {
-        *(uint32_t*)pImage |= d1;
-        pImage += 4;
-        *(uint32_t*)pImage |= d2;
+        *pImage++ |= d1;
+        *pImage   |= d2;
       } else {
-        pImage += 4;
+        pImage++;
       }
-      pImage += 4;
+      pImage++;
     }
 
     curr_x++;
     if(curr_x == 128/8) {
       curr_x = 0;
-      pImage -= 128;
+      pImage -= 128/4;
 
       b <<= 1;
       if(b == 0x100) {
         // Next Page
-        pImage += 128;
+        pImage += 128/4;
         b = 0x01;
 
         curr_y++;
         if(curr_y == 8) {
           curr_y = 0;
-          pImage = display.buffer;
+          pImage = (uint32_t*)display.buffer;
 
           // Update Display frame
           display.display();
@@ -243,7 +241,7 @@ void readFile(fs::FS &fs, const char * path){
     display.resetDisplay();
     curr_x = 0;
     curr_y = 0;
-    pImage = display.buffer;
+    pImage = (uint32_t*)display.buffer;
     runlength = -1;
     c_to_dup = -1;
 

From d6e9927dcfa08cba77be2785412fd43a79a9177d Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Thu, 23 Feb 2023 11:53:17 +0900
Subject: [PATCH 22/29] mod More Optimize Direct Draw OLED buffer Skip black

---
 ESP32_BadApple.ino | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index bfed29f..db8f9cb 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -122,15 +122,19 @@ void putPixels(uint32_t c, int32_t len) {
 
         d2 = d1;
       } else if (c != 0x00) {
-        d1  = (c & 0x10) ? b : 0; d1 <<= 8;
-        d1 |= (c & 0x20) ? b : 0; d1 <<= 8;
-        d1 |= (c & 0x40) ? b : 0; d1 <<= 8;
-        d1 |= (c & 0x80) ? b : 0;
-
-        d2  = (c & 0x01) ? b : 0; d2 <<= 8;
-        d2 |= (c & 0x02) ? b : 0; d2 <<= 8;
-        d2 |= (c & 0x04) ? b : 0; d2 <<= 8;
-        d2 |= (c & 0x08) ? b : 0;
+        if ((c & 0xF0) != 0x00) {
+          d1  = (c & 0x10) ? b : 0; d1 <<= 8;
+          d1 |= (c & 0x20) ? b : 0; d1 <<= 8;
+          d1 |= (c & 0x40) ? b : 0; d1 <<= 8;
+          d1 |= (c & 0x80) ? b : 0;
+        }
+
+        if ((c & 0x0F) != 0x00) {
+          d2  = (c & 0x01) ? b : 0; d2 <<= 8;
+          d2 |= (c & 0x02) ? b : 0; d2 <<= 8;
+          d2 |= (c & 0x04) ? b : 0; d2 <<= 8;
+          d2 |= (c & 0x08) ? b : 0;
+        }
       }
 
       if (b == 0x01) {

From 0d8c4d5a16f39f2185a2e235b9a85ab16e6cd247 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Fri, 24 Feb 2023 14:26:44 +0900
Subject: [PATCH 23/29] mod More Optimize bit operation Reduse Program size 8
 byte (323437 bytes to 323429 bytes)

---
 ESP32_BadApple.ino | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index db8f9cb..6a4b172 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -123,17 +123,17 @@ void putPixels(uint32_t c, int32_t len) {
         d2 = d1;
       } else if (c != 0x00) {
         if ((c & 0xF0) != 0x00) {
-          d1  = (c & 0x10) ? b : 0; d1 <<= 8;
-          d1 |= (c & 0x20) ? b : 0; d1 <<= 8;
-          d1 |= (c & 0x40) ? b : 0; d1 <<= 8;
-          d1 |= (c & 0x80) ? b : 0;
+          d1  = (c & 0x10) ? b<<24 : 0;
+          d1 |= (c & 0x20) ? b<<16 : 0;
+          d1 |= (c & 0x40) ? b<< 8 : 0;
+          d1 |= (c & 0x80) ? b     : 0;
         }
 
         if ((c & 0x0F) != 0x00) {
-          d2  = (c & 0x01) ? b : 0; d2 <<= 8;
-          d2 |= (c & 0x02) ? b : 0; d2 <<= 8;
-          d2 |= (c & 0x04) ? b : 0; d2 <<= 8;
-          d2 |= (c & 0x08) ? b : 0;
+          d2  = (c & 0x01) ? b<<24 : 0;
+          d2 |= (c & 0x02) ? b<<16 : 0;
+          d2 |= (c & 0x04) ? b<< 8 : 0;
+          d2 |= (c & 0x08) ? b     : 0;
         }
       }
 

From fac4c486ca3108ce99fd79cd6a5d006d57d4757f Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Fri, 24 Feb 2023 14:27:43 +0900
Subject: [PATCH 24/29] mod More Optimize bit operation Reduse Program size 32
 byte (323429 bytes to 323397 bytes)

---
 ESP32_BadApple.ino | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 6a4b172..7a1e013 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -123,17 +123,17 @@ void putPixels(uint32_t c, int32_t len) {
         d2 = d1;
       } else if (c != 0x00) {
         if ((c & 0xF0) != 0x00) {
-          d1  = (c & 0x10) ? b<<24 : 0;
-          d1 |= (c & 0x20) ? b<<16 : 0;
-          d1 |= (c & 0x40) ? b<< 8 : 0;
-          d1 |= (c & 0x80) ? b     : 0;
+          if (c & 0x10) d1  = b<<24;
+          if (c & 0x20) d1 |= b<<16;
+          if (c & 0x40) d1 |= b<< 8;
+          if (c & 0x80) d1 |= b;
         }
 
         if ((c & 0x0F) != 0x00) {
-          d2  = (c & 0x01) ? b<<24 : 0;
-          d2 |= (c & 0x02) ? b<<16 : 0;
-          d2 |= (c & 0x04) ? b<< 8 : 0;
-          d2 |= (c & 0x08) ? b     : 0;
+          if (c & 0x01) d2  = b<<24;
+          if (c & 0x02) d2 |= b<<16;
+          if (c & 0x04) d2 |= b<< 8;
+          if (c & 0x08) d2 |= b;
         }
       }
 

From be53378f8a342c6b95deecc519bd843169e5f6d9 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Mon, 27 Feb 2023 14:46:48 +0900
Subject: [PATCH 25/29] Revert Skip black Reduse Program size 16 byte (323397
 bytes to 323381 bytes)

---
 ESP32_BadApple.ino | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 7a1e013..67394e4 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -122,19 +122,19 @@ void putPixels(uint32_t c, int32_t len) {
 
         d2 = d1;
       } else if (c != 0x00) {
-        if ((c & 0xF0) != 0x00) {
+        // if ((c & 0xF0) != 0x00) {
           if (c & 0x10) d1  = b<<24;
           if (c & 0x20) d1 |= b<<16;
           if (c & 0x40) d1 |= b<< 8;
           if (c & 0x80) d1 |= b;
-        }
+        // }
 
-        if ((c & 0x0F) != 0x00) {
+        // if ((c & 0x0F) != 0x00) {
           if (c & 0x01) d2  = b<<24;
           if (c & 0x02) d2 |= b<<16;
           if (c & 0x04) d2 |= b<< 8;
           if (c & 0x08) d2 |= b;
-        }
+        // }
       }
 
       if (b == 0x01) {

From 9e8dc2f13306f44ed64508dfdf2ec59693b0fc0c Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Fri, 24 Feb 2023 19:15:13 +0900
Subject: [PATCH 26/29] mod Combine XY variable Reduse Program size 16 byte
 (323385 bytes to 323369 bytes)

---
 ESP32_BadApple.ino | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 67394e4..97f8d38 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -49,8 +49,7 @@ SSD1306 display (0x3c, I2C_SDA, I2C_SCL);
 static heatshrink_decoder hsd;
 
 // global storage for putPixels
-int32_t curr_x = 0;
-int32_t curr_y = 0;
+int32_t curr_xy = 0;
 
 // global storage for decodeRLE
 int32_t runlength = -1;
@@ -149,9 +148,9 @@ void putPixels(uint32_t c, int32_t len) {
       pImage++;
     }
 
-    curr_x++;
-    if(curr_x == 128/8) {
-      curr_x = 0;
+    // oyy_ybbb_xxxx X=0-15(4 bit), Bit=0-7(3 bit),Y=0-7(3 bit)
+    curr_xy++;
+    if((curr_xy & 0x0f) == 0) {
       pImage -= 128/4;
 
       b <<= 1;
@@ -160,9 +159,10 @@ void putPixels(uint32_t c, int32_t len) {
         pImage += 128/4;
         b = 0x01;
 
-        curr_y++;
-        if(curr_y == 8) {
-          curr_y = 0;
+        // oyy_ybbb_xxxx X=0-15(4 bit), Bit=0-7(3 bit),Y=0-7(3 bit)
+        // Check Overflow bit
+        if((curr_xy & 0x400) != 0) {
+          curr_xy = 0;
           pImage = (uint32_t*)display.buffer;
 
           // Update Display frame
@@ -243,8 +243,7 @@ void readFile(fs::FS &fs, const char * path){
 
     // init display, putPixels and decodeRLE
     display.resetDisplay();
-    curr_x = 0;
-    curr_y = 0;
+    curr_xy = 0;
     pImage = (uint32_t*)display.buffer;
     runlength = -1;
     c_to_dup = -1;

From 62f9c22cd716b39aeb91fa1abe73d9e872ecd957 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Fri, 24 Feb 2023 19:23:38 +0900
Subject: [PATCH 27/29] mod Change Compare logic

---
 ESP32_BadApple.ino | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index 97f8d38..dc04937 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -160,9 +160,8 @@ void putPixels(uint32_t c, int32_t len) {
         b = 0x01;
 
         // oyy_ybbb_xxxx X=0-15(4 bit), Bit=0-7(3 bit),Y=0-7(3 bit)
-        // Check Overflow bit
-        if((curr_xy & 0x400) != 0) {
-          curr_xy = 0;
+        // Check Overflow bit, It equivalent if((curr_xy & 0x400) != 0)
+        if((curr_xy & 0x3ff) == 0) {
           pImage = (uint32_t*)display.buffer;
 
           // Update Display frame

From cf0e3c3e13fd0f87539960ffdc49e72e48bac4f1 Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Sat, 25 Feb 2023 12:43:45 +0900
Subject: [PATCH 28/29] mod Del unnecessary Initialize variable Reduse Program
 size 28 byte (323369 bytes to 323341 bytes)

---
 ESP32_BadApple.ino | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index dc04937..e55865c 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -86,7 +86,7 @@ void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
     }
 }
 
-volatile unsigned long lastRefresh = 0;
+volatile unsigned long lastRefresh;
 // 30 fps target rate = 33.333us
 #define FRAME_DERAY_US 33333UL
 #ifdef ENABLE_FRAME_COUNTER
@@ -223,9 +223,9 @@ void decodeRLE(uint32_t c) {
 void readFile(fs::FS &fs, const char * path){
     static uint8_t rle_buf[RLEBUFSIZE];
     uint8_t* p_rle_buf;
-    size_t rle_size = 0;
+    size_t rle_size;
 
-    size_t filelen = 0;
+    size_t filelen;
     size_t filesize;
     static uint8_t compbuf[READBUFSIZE];
 
@@ -242,10 +242,10 @@ void readFile(fs::FS &fs, const char * path){
 
     // init display, putPixels and decodeRLE
     display.resetDisplay();
-    curr_xy = 0;
+    // curr_xy = 0;
     pImage = (uint32_t*)display.buffer;
-    runlength = -1;
-    c_to_dup = -1;
+    // runlength = -1;
+    // c_to_dup = -1;
 
     // init decoder
     heatshrink_decoder_reset(&hsd);
@@ -277,7 +277,7 @@ void readFile(fs::FS &fs, const char * path){
 
       HSD_poll_res pres;
       do {
-          rle_size = 0;
+          // rle_size = 0;
           pres = heatshrink_decoder_poll(&hsd, rle_buf, RLEBUFSIZE, &rle_size);
           //Serial.print("^^ polled ");
           //Serial.println(rle_size);

From fad1689b7ba01d602ff22c9eb14f3d53772ea34e Mon Sep 17 00:00:00 2001
From: FREEWING-JP <freewing.jp@gmail.com>
Date: Fri, 24 Feb 2023 19:25:32 +0900
Subject: [PATCH 29/29] mod Add Ending Message

---
 ESP32_BadApple.ino | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ESP32_BadApple.ino b/ESP32_BadApple.ino
index e55865c..3308af7 100644
--- a/ESP32_BadApple.ino
+++ b/ESP32_BadApple.ino
@@ -312,6 +312,10 @@ void readFile(fs::FS &fs, const char * path){
 
     // 10 sec
     delay(10000);
+    display.resetDisplay();
+    display.drawStringMaxWidth(0, 0, 128, "Optimize OLED Draw Performance version. modded By FREE WING");
+    display.drawStringMaxWidth(0, 40, 128, "http://www.neko.ne.jp/~freewing/"); display.display();
+    delay(10000);
     // Reset to Infinite Loop Demo !
     ESP.restart();
 }