revise README.md

CHANGELOG.md

@@ -5,17 +5,17 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+
+## [v0.9.4] - 2024-04-09
 ### Added
 * Support Hi-Res WAV up to 24bit / 192KHz
 * Display bit resolution and sampling frequency
 * Support Mono WAV
 * Add LCD Config in Config Menu
 * Force to reset ConfigParam when format revision changed to avoid mulfunction
-
 ### Changed
 * Use submodule for pico_audio_i2s_32b library
 * Change pullup register for buttons into conditional pullup for power on by any HP buttons
-
 ### Fixed
 * Correct track number display when no TAG information in WAV file
 * Don't display empty album art when no JPEG
@@ -25,7 +25,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Fixed
 * Fix build error of "cannot find -lmy_pico_stdio_usb_headers"
 * Delete obsolete CENTER button completely not to disturb other button actions when pullup is not attached. [issue#4](https://github.com/elehobica/RPi_Pico_WAV_Player/issues/4)
-
 ### Changed
 * Support pico-sdk 1.5.1 (previously 1.4.0)
 * Update FatFs R0.15 (previously R0.14b)
@@ -34,31 +33,25 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 * Clean up libraries. pico_fatfs and pico_st7735_80x160 are switched to submodules.
 * Change I2C DMA scheme from single buffer to double buffers
 
-
 ## [v0.9.2] - 2023-11-25
 ### Fixed
 * Small fix for fatfs CS handling
 
-
 ## [v0.9.1] - 2021-09-21
 ### Added
 * Add gpio_disable_pulls() to SD-Card SPI pins
-
 ### Changed
 * Adjust ADC conversion coefficient for static battery check
 
-
 ## [v0.9.0] - 2021-06-20
 ### Added
 * Support ChargeMode which allows to remove USB charge selection switch
-
 ### Changed
 * No hardware modification needed in Raspberry Pi Pico board
   * External circuit around battery charger revised to be compliant to pico-datasheet.pdf
   * Use built-in battery voltage check circuit (static battery check) as default
 * Increase display charactor length of title, artist and album. add measure to prevent buffer overflow
 * Remove GPIO center button and integrated into GP26 ADC level detection to detect wake up trigger
 
-
 ## [v0.8.1] - 2021-06-03
 * Initial release

src/main.cpp

@@ -14,7 +14,7 @@
 #include "ui_control.h"
 #include "lcd.h"
 
-const char *VersionStr = "0.9.3";
+const char *VersionStr = "0.9.4";
 
 static inline uint32_t _millis(void)
 {