v1.2.3-a

### Releases v1.2.3-a

1. Add back MD5/SHA1 authentication feature.
4. Add example, update README.md, clean up.

Author: khoih-prog

platformio/platformio.ini

@@ -8,32 +8,141 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
+[platformio]
+; ============================================================
+; chose environment:
+; STM32
+
+; ============================================================
+default_envs = STM32
+
+[env]
+; ============================================================
+; Serial configuration
+; choose upload speed, serial-monitor speed
+; ============================================================
+upload_speed = 921600
+;upload_port = COM11
+;monitor_speed = 9600
+;monitor_port = COM11
+
 lib_deps =
   STM32duino LwIP@~2.1.2
   STM32duino STM32Ethernet@~1.2.0
   STM32AsyncTCP
 
-[env:nucleo_h429zi]
+build_flags =
+; set your build_flags
+ 
+[env:STM32]
 platform = ststm32
-board = nucleo_h429zi
 framework = arduino
 
-[env:nucleo_h746zg]
-platform = ststm32
-board = nucleo_h746zg
-framework = arduino
+; ============================================================
+; Choose your board by uncommenting one of the following lines
+; ============================================================
 
-[env:nucleo_h756zg]
-platform = ststm32
-board = nucleo_h756zg
-framework = arduino
+; ============================================================
+; Board configuration Nucleo-144
+; ============================================================
+
+;board = nucleo_f207zg
+;board = nucleo_f429zi
+;board = nucleo_f746zg
+;board = nucleo_f756zg
+board = nucleo_f767zi
+;board = nucleo_h743zi
+;board = nucleo_l496zg
+;board = nucleo_l496zg-p
+;board = nucleo_l4r5zi
+;board = nucleo_l4r5zi-p
+
+; ============================================================
+; Board configuration Nucleo-64
+; ============================================================
+
+;board = nucleo_f030r8
+;board = nucleo_f072rb
+
+;board = nucleo_f091rc
+;board = nucleo_f103rb
+;board = nucleo_f302r8
+;board = nucleo_f303re
+;board = nucleo_f401re
+;board = nucleo_f411re
+;board = nucleo_f446re
+;board = nucleo_g071rb
+;board = nucleo_g431rb
+;board = nucleo_g474re
+;board = nucleo_l053r8
+;board = nucleo_l073rz
+;board = nucleo_l152re
+;board = nucleo_l433rc_p
+;board = nucleo_l452re
+;board = nucleo_l452re-p
+;board = nucleo_l476rg
+;board = pnucleo_wb55rg
+
+; ============================================================
+; Board configuration Nucleo-32
+; ============================================================
+
+;board = nucleo_f031k6
+;board = nucleo_l031k6
+;board = nucleo_l412kb
+;board = nucleo_l432lc
+;board = nucleo_f303k8
+;board = nucleo_g431kb
+
+; ============================================================
+; Board configuration Discovery Boards
+; ============================================================
+
+;board = disco_f030r8
+;board = disco_f072rb
+;board = disco_f030r8
+;board = disco_f100rb
+;board = disco_f407vg
+;board = disco_f413zh
+;board = disco_f746ng
+;board = disco_g0316
+;board = disco_l475vg_iot
+;board = disco_f072cz-lrwan1
+
+; ============================================================
+; Board configuration STM32MP1 Boards
+; ============================================================
+
+;board = stm32mp157a-dk1
+;board = stm32mp157c-dk2
+
+; ============================================================
+; Board configuration Generic Boards
+; ============================================================
+
+;board = bluepill_f103c6
+;board = bluepill_f103c8
+;board = blackpill_f103c8
+;board = stm32f103cx
+;board = stm32f103rx
+;board = stm32f103tx
+;board = stm32f103vx
+;board = stm32f103zx
+;board = stm32f103zet6
+;board = maplemini_f103cb
+;board = blackpill_f303cc
+;board = black_f407ve
+;board = black_f407vg
+;board = black_f407ze
+;board = black_f407zg
+;board = blue_f407ve_mini
+;board = blackpill_f401cc
+;board = blackpill_f411ce
+;board = coreboard_f401rc
+;board = feather_f405
+
+; ============================================================
+; Board configuration Many more Boards to be filled
+; ============================================================
 
-[env:nucleo_h767zi]
-platform = ststm32
-board = nucleo_h7673zi
-framework = arduino
 
-[env:disco_f746ng]
-platform = ststm32
-board = disco_f746ng
-framework = arduino