fixed shebang

AnimationDemo/README.md

@@ -12,6 +12,8 @@ However, it is sometimes affected by noise.
 
 __Flip upside down cannot be enabled.__   
 
+__This demo does not support 128x32 panels.__   
+
 The SPI interface operates faster than the I2C interface.   
 For SPI interfaces, there has a latency period between frames.   
 By making this smaller, you can display it even faster.   

BalloonDemo/CMakeLists.txt

@@ -0,0 +1,8 @@
+# The following lines of boilerplate have to be in your project's CMakeLists
+# in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.5)
+
+set(EXTRA_COMPONENT_DIRS ../components/ssd1306)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(ssd1306)

BalloonDemo/README.md

@@ -0,0 +1,20 @@
+# BalloonDemo for SSD1306
+
+![BalloonDemo](https://github.com/user-attachments/assets/0e9a7e6e-704e-4edd-9157-e7194756fb1d)
+
+This demo shows how to overlay background and foreground images.   
+
+Use this image as the background image and move from top to bottom.   
+This allows you to achieve animation effects.   
+![cloud1](https://github.com/user-attachments/assets/6b64cbaa-242f-45a9-8a55-766b0550942f)
+
+Use this image as the foreground image and move it left and right.   
+![balloon48x48](https://github.com/user-attachments/assets/cd01a2b7-373b-4369-8cc6-f1ccac1bb9b4)
+
+# How to make your original BIT MAP data   
+- Prepare your image file.   
+- Convert image file to BMP data using [this](https://www.mischianti.org/2021/07/14/ssd1306-oled-display-draw-images-splash-and-animations-2/) page.   
+- Paste the BMP data into your code.   
+
+
+

BalloonDemo/image/mkimage.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# Download the cloud image from here. Resize the image to width 128.
+# https://www.vecteezy.com/vector-art/28199306-clouds-icon-vector-illustration
+
+convert cloud1.jpg -crop 68x34+0+14 cloud11.jpg
+convert cloud11.jpg -resize 64x cloud11.jpg
+
+convert cloud1.jpg -crop 80x40+48+10 cloud12.jpg
+convert cloud12.jpg -resize 64x cloud12.jpg
+convert cloud12.jpg -roll -5+0 cloud12.jpg
+
+convert cloud1.jpg -crop 68x34+0+14 cloud13.jpg
+convert cloud13.jpg -resize 64x cloud13.jpg
+
+convert cloud1.jpg -crop 80x40+48+64 cloud14.jpg
+convert cloud14.jpg -resize 64x cloud14.jpg
+convert cloud14.jpg -roll -5+0 cloud14.jpg
+

BalloonDemo/main/CMakeLists.txt

@@ -0,0 +1,4 @@
+set(COMPONENT_SRCS "main.c")
+set(COMPONENT_ADD_INCLUDEDIRS "")
+
+register_component()

BalloonDemo/main/component.mk

@@ -0,0 +1,8 @@
+#
+# Main component makefile.
+#
+# This Makefile can be left empty. By default, it will take the sources in the 
+# src/ directory, compile them and link them into lib(subdirectory_name).a 
+# in the build directory. This behaviour is entirely configurable,
+# please read the ESP-IDF documents if you need to do this.
+#

BalloonDemo/main/main.c

@@ -0,0 +1,330 @@
+#include <stdio.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <string.h>
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "esp_log.h"
+#include "esp_random.h"
+
+#include "ssd1306.h"
+//#include "font8x8_basic.h"
+
+/*
+ You have to set this config value with menuconfig
+ CONFIG_INTERFACE
+
+ for i2c
+ CONFIG_MODEL
+ CONFIG_SDA_GPIO
+ CONFIG_SCL_GPIO
+ CONFIG_RESET_GPIO
+
+ for SPI
+ CONFIG_CS_GPIO
+ CONFIG_DC_GPIO
+ CONFIG_RESET_GPIO
+*/
+
+#define TAG "SSD1306"
+
+// https://www.vecteezy.com/vector-art/28199306-clouds-icon-vector-illustration
+uint8_t cloud11[] = {
+// 'cloud11', 64x32px
+0xff, 0xff, 0xff, 0xff, 0xe0, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x1f, 0xff, 0xff, 
+0xff, 0xff, 0xff, 0xfe, 0x07, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x3f, 0xc3, 0xff, 0xff, 
+0xff, 0xff, 0xff, 0xf8, 0xff, 0xe3, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0xff, 0xf1, 0xff, 0xff, 
+0xff, 0xff, 0xe0, 0x01, 0xff, 0xf8, 0xff, 0xff, 0xff, 0xff, 0xc3, 0xfb, 0xff, 0xfc, 0xff, 0xff, 
+0xff, 0xff, 0x8f, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff, 0xff, 0xfc, 0xff, 0xff, 
+0xff, 0xff, 0x1f, 0xff, 0xff, 0xfc, 0x7f, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xfc, 0x0f, 0xff, 
+0xff, 0xfe, 0x3f, 0xff, 0xff, 0xfe, 0x07, 0xff, 0xff, 0xf8, 0x3f, 0xff, 0xff, 0xff, 0xe3, 0xff, 
+0xff, 0xf0, 0x7f, 0xff, 0xff, 0xff, 0xf1, 0xff, 0xff, 0xe3, 0xff, 0xff, 0xff, 0xff, 0xf8, 0xff, 
+0xff, 0xc7, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0x8f, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x7f, 
+0xff, 0x9f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 
+0xff, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 
+0xff, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 
+0xff, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x7f, 0xff, 0x9f, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xff, 
+0xff, 0x8f, 0xff, 0xff, 0xff, 0xff, 0xf8, 0xff, 0xff, 0xc7, 0xff, 0xff, 0xff, 0xff, 0xf1, 0xff, 
+0xff, 0xe1, 0xff, 0xff, 0xff, 0xff, 0xc3, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 
+0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+};
+
+uint8_t cloud12[] = {
+// 'cloud12', 64x32px
+0xff, 0xff, 0xff, 0xff, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 
+0xff, 0xff, 0xff, 0xfc, 0x3c, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0xff, 0x1f, 0xff, 0xff, 
+0xff, 0xff, 0xf8, 0x01, 0xff, 0x9f, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x83, 0xff, 0xcf, 0xff, 0xff, 
+0xff, 0xff, 0xc7, 0xf3, 0xff, 0xcf, 0xff, 0xff, 0xff, 0xff, 0xcf, 0xff, 0xff, 0xcf, 0xff, 0xff, 
+0xff, 0xff, 0x9f, 0xff, 0xff, 0xef, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff, 0xff, 0xc7, 0xff, 0xff, 
+0xff, 0xff, 0x3f, 0xff, 0xff, 0xc0, 0xff, 0xff, 0xff, 0xfe, 0x3f, 0xff, 0xff, 0xf8, 0x7f, 0xff, 
+0xff, 0xfc, 0x7f, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xf9, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff, 
+0xff, 0xf3, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff, 0xff, 0xf3, 0xff, 0xff, 0xff, 0xff, 0xcf, 0xff, 
+0xff, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xcf, 0xff, 0xff, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xcf, 0xff, 
+0xff, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xcf, 0xff, 0xff, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xcf, 0xff, 
+0xff, 0xf3, 0xff, 0xff, 0xff, 0xff, 0xcf, 0xff, 0xff, 0xf3, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff, 
+0xff, 0xf9, 0xff, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, 0xf8, 0x7f, 0xff, 0xff, 0xfc, 0x3f, 0xff, 
+0xff, 0xfe, 0x0f, 0xff, 0xff, 0xc0, 0x7f, 0xff, 0xff, 0xff, 0x0f, 0xff, 0xff, 0x81, 0xff, 0xff, 
+0xff, 0xff, 0xe7, 0xf9, 0xff, 0x9f, 0xff, 0xff, 0xff, 0xff, 0xf1, 0xf0, 0x7f, 0x3f, 0xff, 0xff, 
+0xff, 0xff, 0xf8, 0x02, 0x1c, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x0f, 0x00, 0xff, 0xff, 0xff, 
+0xff, 0xff, 0xff, 0xff, 0xf7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+};
+
+uint8_t cloud13[] = {
+// 'cloud13', 64x32px
+0xff, 0xff, 0xff, 0xff, 0xe0, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x80, 0x1f, 0xff, 0xff, 
+0xff, 0xff, 0xff, 0xfe, 0x07, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x3f, 0xc3, 0xff, 0xff, 
+0xff, 0xff, 0xff, 0xf8, 0xff, 0xe3, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00, 0xff, 0xf1, 0xff, 0xff, 
+0xff, 0xff, 0xe0, 0x01, 0xff, 0xf8, 0xff, 0xff, 0xff, 0xff, 0xc3, 0xfb, 0xff, 0xfc, 0xff, 0xff, 
+0xff, 0xff, 0x8f, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xff, 0xff, 0xfc, 0xff, 0xff, 
+0xff, 0xff, 0x1f, 0xff, 0xff, 0xfc, 0x7f, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xfc, 0x0f, 0xff, 
+0xff, 0xfe, 0x3f, 0xff, 0xff, 0xfe, 0x07, 0xff, 0xff, 0xf8, 0x3f, 0xff, 0xff, 0xff, 0xe3, 0xff, 
+0xff, 0xf0, 0x7f, 0xff, 0xff, 0xff, 0xf1, 0xff, 0xff, 0xe3, 0xff, 0xff, 0xff, 0xff, 0xf8, 0xff, 
+0xff, 0xc7, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0x8f, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x7f, 
+0xff, 0x9f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 
+0xff, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 
+0xff, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xfe, 0x7f, 
+0xff, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x7f, 0xff, 0x9f, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xff, 
+0xff, 0x8f, 0xff, 0xff, 0xff, 0xff, 0xf8, 0xff, 0xff, 0xc7, 0xff, 0xff, 0xff, 0xff, 0xf1, 0xff, 
+0xff, 0xe1, 0xff, 0xff, 0xff, 0xff, 0xc3, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x07, 0xff, 
+0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
+};
+
+uint8_t cloud14[] = {
+// 'cloud14', 64x32px
+0xff, 0xff, 0xff, 0xfc, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x03, 0xff, 0xff, 0xff, 
+0xff, 0xff, 0xff, 0xe3, 0xf1, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc7, 0xfc, 0xff, 0xff, 0xff, 
+0xff, 0xff, 0xff, 0x8f, 0xfe, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0x9f, 0xfe, 0x37, 0xff, 0xff, 
+0xff, 0xff, 0xf0, 0x3f, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x3f, 0xff, 0x38, 0x7f, 0xff, 
+0xff, 0xff, 0x8f, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xff, 0x9f, 0xff, 0xff, 0xff, 0x9f, 0xff, 
+0xff, 0xff, 0x3f, 0xff, 0xff, 0xff, 0x9f, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xff, 0xcf, 0xff, 
+0xff, 0xff, 0x3f, 0xff, 0xff, 0xff, 0xcf, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xff, 0xcf, 0xff, 
+0xff, 0xfe, 0x3f, 0xff, 0xff, 0xff, 0xc7, 0xff, 0xff, 0xfc, 0x7f, 0xff, 0xff, 0xff, 0xe3, 0xff, 
+0xff, 0xf8, 0xff, 0xff, 0xff, 0xff, 0xf9, 0xff, 0xff, 0xf9, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xff, 
+0xff, 0xf3, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xf3, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xff, 
+0xff, 0xf3, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xf3, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xff, 
+0xff, 0xf9, 0xff, 0xff, 0xff, 0xff, 0xf8, 0xff, 0xff, 0xf8, 0xff, 0xff, 0xff, 0xff, 0xf1, 0xff, 
+0xff, 0xfc, 0x3f, 0xff, 0xff, 0xff, 0x03, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, 0xff, 0x0f, 0xff, 
+0xff, 0xff, 0x9f, 0xff, 0xff, 0xfe, 0x7f, 0xff, 0xff, 0xff, 0xcf, 0xcf, 0xfc, 0x7c, 0x7f, 0xff, 
+0xff, 0xff, 0xe0, 0x07, 0xfc, 0x38, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x23, 0xf8, 0x01, 0xff, 0xff, 
+0xff, 0xff, 0xff, 0xf0, 0x41, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x07, 0xff, 0xff, 0xff
+};
+
+uint8_t balloon48[] = {
+// 'balloon48x48', 48x48px
+0xff, 0xff, 0xfc, 0x3f, 0xff, 0xff, 0xff, 0xff, 0x80, 0x03, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 
+0xff, 0xff, 0xff, 0xfc, 0x1c, 0x38, 0x3f, 0xff, 0xff, 0xf8, 0x1c, 0x39, 0x1f, 0xff, 0xff, 0xf1, 
+0x3c, 0x3c, 0x8f, 0xff, 0xff, 0xe2, 0x3c, 0x3c, 0x47, 0xff, 0xff, 0xc6, 0x38, 0x1c, 0x63, 0xff, 
+0xff, 0xcc, 0x38, 0x1c, 0x33, 0xff, 0xff, 0x9c, 0x78, 0x1e, 0x39, 0xff, 0xff, 0x9c, 0x78, 0x1e, 
+0x39, 0xff, 0xff, 0x38, 0x78, 0x1e, 0x1c, 0xff, 0xff, 0x38, 0x78, 0x1e, 0x1c, 0xff, 0xff, 0x38, 
+0x78, 0x1e, 0x1c, 0xff, 0xfe, 0x38, 0x78, 0x1e, 0x1c, 0x7f, 0xfe, 0x78, 0x78, 0x1e, 0x1e, 0x7f, 
+0xfe, 0x78, 0x78, 0x1e, 0x1e, 0x7f, 0xfe, 0x78, 0x78, 0x1e, 0x1e, 0x7f, 0xfe, 0x78, 0x78, 0x1e, 
+0x1e, 0x7f, 0xfe, 0x78, 0x78, 0x1e, 0x1e, 0x7f, 0xfe, 0x38, 0x78, 0x1e, 0x1c, 0x7f, 0xff, 0x3c, 
+0x78, 0x1e, 0x3c, 0x7f, 0xff, 0x3c, 0x78, 0x1e, 0x3c, 0xff, 0xff, 0x1c, 0x78, 0x1e, 0x3c, 0xff, 
+0xff, 0x9c, 0x78, 0x1e, 0x39, 0xff, 0xff, 0x8e, 0x78, 0x1e, 0x79, 0xff, 0xff, 0xce, 0x38, 0x1c, 
+0x73, 0xff, 0xff, 0xc6, 0x38, 0x1c, 0x63, 0xff, 0xff, 0xe7, 0x3c, 0x3c, 0xe7, 0xff, 0xff, 0xf3, 
+0x3c, 0x3c, 0xcf, 0xff, 0xff, 0xf1, 0x9c, 0x39, 0x8f, 0xff, 0xff, 0xf8, 0x9c, 0x39, 0x1f, 0xff, 
+0xff, 0xfc, 0xdc, 0x3b, 0x3f, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xfe, 0x00, 0x00, 
+0x7f, 0xff, 0xff, 0xff, 0xbb, 0xdd, 0xff, 0xff, 0xff, 0xff, 0xb9, 0x9d, 0xff, 0xff, 0xff, 0xff, 
+0x99, 0x99, 0xff, 0xff, 0xff, 0xff, 0xd9, 0xbb, 0xff, 0xff, 0xff, 0xff, 0xcd, 0xb3, 0xff, 0xff, 
+0xff, 0xff, 0xc0, 0x03, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x03, 0xff, 0xff, 0xff, 0xff, 0xe7, 0xe7, 
+0xff, 0xff, 0xff, 0xff, 0xe7, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xe7, 0xe7, 0xff, 0xff, 0xff, 0xff, 
+0xe7, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff
+};
+
+uint8_t balloon32[] = {
+// 'balloon32x32', 32x32px
+0xff, 0xfc, 0x1f, 0xff, 0xff, 0xe0, 0x07, 0xff, 0xff, 0x84, 0x21, 0xff, 0xff, 0x2c, 0x34, 0xff, 
+0xfe, 0x4c, 0x32, 0x7f, 0xfe, 0xcc, 0x33, 0x7f, 0xfd, 0x8c, 0x31, 0xbf, 0xf9, 0x9c, 0x39, 0xbf, 
+0xf9, 0x9c, 0x39, 0x9f, 0xfb, 0x9c, 0x39, 0xdf, 0xfb, 0x9c, 0x39, 0xdf, 0xfb, 0x9c, 0x39, 0xdf, 
+0xfb, 0x9c, 0x39, 0xdf, 0xfb, 0x9c, 0x39, 0xdf, 0xf9, 0x9c, 0x39, 0x9f, 0xfd, 0x9c, 0x39, 0xbf, 
+0xfd, 0xcc, 0x33, 0xbf, 0xfc, 0xcc, 0x33, 0x7f, 0xfe, 0x4e, 0x72, 0x7f, 0xff, 0x6e, 0x76, 0xff, 
+0xff, 0x2e, 0x74, 0xff, 0xff, 0x96, 0x69, 0xff, 0xff, 0xc0, 0x03, 0xff, 0xff, 0xed, 0xb7, 0xff, 
+0xff, 0xfd, 0xbf, 0xff, 0xff, 0xf5, 0xaf, 0xff, 0xff, 0xf0, 0x0f, 0xff, 0xff, 0xf0, 0x0f, 0xff, 
+0xff, 0xfb, 0xdf, 0xff, 0xff, 0xfb, 0xdf, 0xff, 0xff, 0xf8, 0x1f, 0xff, 0xff, 0xf8, 0x1f, 0xff
+};
+
+#define WITH_BALLOON 1
+
+void app_main(void)
+{
+	SSD1306_t dev;
+
+#if CONFIG_I2C_INTERFACE
+	ESP_LOGI(TAG, "INTERFACE is i2c");
+	ESP_LOGI(TAG, "CONFIG_SDA_GPIO=%d",CONFIG_SDA_GPIO);
+	ESP_LOGI(TAG, "CONFIG_SCL_GPIO=%d",CONFIG_SCL_GPIO);
+	ESP_LOGI(TAG, "CONFIG_RESET_GPIO=%d",CONFIG_RESET_GPIO);
+	i2c_master_init(&dev, CONFIG_SDA_GPIO, CONFIG_SCL_GPIO, CONFIG_RESET_GPIO);
+#endif // CONFIG_I2C_INTERFACE
+
+#if CONFIG_SPI_INTERFACE
+	ESP_LOGI(TAG, "INTERFACE is SPI");
+	ESP_LOGI(TAG, "CONFIG_MOSI_GPIO=%d",CONFIG_MOSI_GPIO);
+	ESP_LOGI(TAG, "CONFIG_SCLK_GPIO=%d",CONFIG_SCLK_GPIO);
+	ESP_LOGI(TAG, "CONFIG_CS_GPIO=%d",CONFIG_CS_GPIO);
+	ESP_LOGI(TAG, "CONFIG_DC_GPIO=%d",CONFIG_DC_GPIO);
+	ESP_LOGI(TAG, "CONFIG_RESET_GPIO=%d",CONFIG_RESET_GPIO);
+	spi_master_init(&dev, CONFIG_MOSI_GPIO, CONFIG_SCLK_GPIO, CONFIG_CS_GPIO, CONFIG_DC_GPIO, CONFIG_RESET_GPIO);
+#endif // CONFIG_SPI_INTERFACE
+
+#if CONFIG_FLIP
+	dev._flip = true;
+	ESP_LOGW(TAG, "Flip upside down");
+#endif
+
+#if CONFIG_SSD1306_128x64
+	ESP_LOGI(TAG, "Panel is 128x64");
+	ssd1306_init(&dev, 128, 64);
+#endif // CONFIG_SSD1306_128x64
+#if CONFIG_SSD1306_128x32
+	ESP_LOGE(TAG, "Panel is 128x32. This demo cannot be run.");
+	while(1) { vTaskDelay(1); }
+#endif // CONFIG_SSD1306_128x32
+
+	// Allocate memory for work frame
+	uint8_t *wk = (uint8_t *)malloc(1024);
+	if (wk == NULL) {
+		ESP_LOGE(TAG, "malloc failed");
+		while(1) { vTaskDelay(1); }
+	}
+
+	// Allocate memory for save frame
+	uint8_t *save = (uint8_t *)malloc(1024);
+	if (save == NULL) {
+		ESP_LOGE(TAG, "malloc failed");
+		while(1) { vTaskDelay(1); }
+	}
+
+	// Allocate memory for background frame
+	uint8_t *buffer = (uint8_t *)malloc(1024*4);
+	if (buffer == NULL) {
+		ESP_LOGE(TAG, "malloc failed");
+		while(1) { vTaskDelay(1); }
+	}
+
+	// Allocate memory for background frame
+	uint8_t *balloon = (uint8_t *)malloc(1024);
+	if (balloon == NULL) {
+		ESP_LOGE(TAG, "malloc failed");
+		while(1) { vTaskDelay(1); }
+	}
+
+	ssd1306_contrast(&dev, 0xff);
+
+	ssd1306_clear_screen(&dev, false);
+	ssd1306_bitmaps(&dev, 0, 0, cloud11, 64, 32, true);
+	ssd1306_get_buffer(&dev, &buffer[1024*0]);
+	vTaskDelay(10);
+
+	ssd1306_clear_screen(&dev, false);
+	ssd1306_bitmaps(&dev, 0, 0, cloud12, 64, 32, true);
+	ssd1306_get_buffer(&dev, &buffer[1024*1]);
+	vTaskDelay(10);
+
+	ssd1306_clear_screen(&dev, false);
+	ssd1306_bitmaps(&dev, 0, 0, cloud13, 64, 32, true);
+	ssd1306_get_buffer(&dev, &buffer[1024*2]);
+	vTaskDelay(10);
+
+	ssd1306_clear_screen(&dev, false);
+	ssd1306_bitmaps(&dev, 0, 0, cloud14, 64, 32, true);
+	ssd1306_get_buffer(&dev, &buffer[1024*3]);
+	vTaskDelay(10);
+
+	ssd1306_clear_screen(&dev, false);
+	ssd1306_bitmaps(&dev, 0, 0, balloon48, 48, 48, true);
+	ssd1306_get_buffer(&dev, balloon);
+	vTaskDelay(10);
+
+	ssd1306_clear_screen(&dev, false);
+
+	int frameIndex1=0;
+	int frameIndex2=3;
+	int page1=3;
+	int page2=5;
+	uint32_t rand = esp_random();
+	int segmentOffset1 = (rand % 10);
+	int segmentOffset2 = segmentOffset1+64;
+	int balloonHorizontalPosition = 40;
+	int balloonHorizontalMove = 1;
+	while(1) {
+		TickType_t startTick = xTaskGetTickCount();
+		ssd1306_wrap_arround(&dev, PAGE_SCROLL_DOWN, 0, 0, -1);
+		ESP_LOGD(TAG, "frameIndex1=%d page1=%d frameIndex2=%d page2=%d segmentOffset1=%d segmentOffset2=%d",
+			frameIndex1, page1, frameIndex2, page2, segmentOffset1, segmentOffset2);
+
+		// Get from internal buffer to local buffer
+		// buffer is [8][128] 8 page 128 pixel
+		ssd1306_get_buffer(&dev, wk);
+
+		// Set cloud image to page0
+		int frameOffset1 = frameIndex1*1024;
+		int frameOffset2 = frameIndex2*1024;
+		for (int seg=0;seg<128;seg++) {
+			wk[seg] = 0;
+		}
+
+		if (page1 < 4) {
+			for (int seg=0;seg<64;seg++) {
+				if (seg+segmentOffset1 > 0 && seg+segmentOffset1 < 128) 
+					wk[seg+segmentOffset1] = buffer[page1*128+seg+frameOffset1];
+			}
+		}
+
+		if (page2 < 4) {
+			for (int seg=0;seg<64;seg++) {
+				if (seg+segmentOffset2 > 0 && seg+segmentOffset2 < 128) 
+					wk[seg+segmentOffset2] = buffer[page2*128+seg+frameOffset2];
+			}
+		}
+		ssd1306_set_buffer(&dev, wk);
+
+#if WITH_BALLOON
+		// Get frame without balloon
+		ssd1306_get_buffer(&dev, save);
+
+		// Set balloon image
+		for(int page=1;page<7;page++) {
+			for(int seg=0;seg<48;seg++) {
+				int bufferIndex = page*128+seg+balloonHorizontalPosition;
+				wk[bufferIndex] = balloon[(page-1)*128+seg];
+			}
+		}
+		ssd1306_set_buffer(&dev, wk);
+#endif
+
+		// Show internal buffer
+		ssd1306_show_buffer(&dev);
+
+#if WITH_BALLOON
+		// Set frame without balloon
+		ssd1306_set_buffer(&dev, save);
+#endif
+
+		// Update balloon horizontal position
+		balloonHorizontalPosition = balloonHorizontalPosition + balloonHorizontalMove;
+		if (balloonHorizontalPosition > 60) balloonHorizontalMove = -1;
+		if (balloonHorizontalPosition < 20) balloonHorizontalMove = +1;
+
+		page1--;
+		if (page1 < 0) {
+			frameIndex1++;
+			if (frameIndex1 > 3) frameIndex1 = 0;
+			page1 = 5;
+			rand = esp_random();
+			segmentOffset1 = (rand % 10) * 4; // 0 to 40
+			segmentOffset1 = segmentOffset1 - 20; // -20 to 20
+		}
+		page2--;
+		if (page2 < 0) {
+			frameIndex2--;
+			if (frameIndex2 < 0) frameIndex2 = 3;
+			page2 = 5;
+			segmentOffset2 = segmentOffset1+64;
+		}
+		TickType_t endTick = xTaskGetTickCount();
+		ESP_LOGD(TAG, "diffTick=%"PRIu32, endTick - startTick);
+		vTaskDelay(10);
+	}
+
+}

BalloonDemo/sdkconfig.defaults

@@ -0,0 +1,18 @@
+#
+# ESP32-specific
+#
+CONFIG_ESP32_DEFAULT_CPU_FREQ_240=y
+CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ=240
+
+#
+# ESP32S2-specific
+#
+CONFIG_ESP32S2_DEFAULT_CPU_FREQ_240=y
+CONFIG_ESP32S2_DEFAULT_CPU_FREQ_MHZ=240
+
+#
+# ESP32S3-specific
+#
+CONFIG_ESP32S3_DEFAULT_CPU_FREQ_240=y
+CONFIG_ESP32S3_DEFAULT_CPU_FREQ_MHZ=240
+