2020.07.07. psp_2.2.2

- lib/sc_envs.php
 > Supports APP ENV
 > Supports dump ENV

- lib/sc_envu.php
 > Add 0xFF to the trailing character that needs to be removed

- lib/sd_340.php
 > Supports P4M-400

- lib/sn_mysql.php
 > Add a exception for server greeting error

- lib/sn_smtp.php
 > Bug fix | fixed TCP local port number

- lib/sn_esmtp.php
 > Bug fix | fixed TCP local port number
 > Change ssl client version : fixed to TLS v1.0 -> variable (TLS v1.0 ~ v1.2[default])

- lib/beta/sn_http_b1.php
 > Change ssl client version : fixed to TLS v1.0 -> variable (TLS v1.0 ~ v1.2[default])

- example/net/01.php_task/email/task0.php
 > Additional debugging messages about mail delivery failure

- example/net/01.php_task/http_get/task0.php
 > Change peer hostname : www.google.com -> example.phpoc.com

- example/net/01.php_task/tcp0_echo_ac/task0.php
 > Add debugging messages about TCP rcvd/echo data

- example/net/01.php_task/tcpn_echo_ac/task0.php
 > Add debugging messages about TCP rcvd/echo data

- example/net/02.html_text/setup/
 > Disable Wi-Fi settings for the product supports Ethernet only, ex) P4S-341
 > Remove an Ad-Hoc option for WLAN Topology
 > Change Sollae homepage URL : www.sollae.co.kr -> www.eztcp.com

- example/p4s/05.html5_graphics/02.adc_light_sensor/
 > Fixed websocket path typo

- new beta library
 > sc_cps_b1.php
 > sn_http_b2.php
  new version of sn_http_b1.php
 > sn_mqtt_b1.php
  supports mqtt protocol
 > sn_dfu_b1.php
  dfu pxm is required to use this library
 > sc_modbus_b1.php
  supports modbus (TCP/RTU/ASCII) protocol
	xuart pxm is required to use this library

- new examples
 > example/beta/mqtt/publisher/
 > example/beta/mqtt/subscriber/
 > example/net/01.php_task/https_get/
 > example/p4m/01.php_task/00.hello/
 > example/p4m/01.php_task/01.uio_buzzer/
 > example/p4m/01.php_task/01.uio_ob_led/
 > example/p4m/01.php_task/01.uio_touch_sensor/
 > example/p4m/01.php_task/02.adc_light_sensor/
 > example/p4m/01.php_task/02.adc_rotary_angle/
 > example/p4m/01.php_task/03.ht_pwm_servo/
 > example/p4m/01.php_task/03.ht_ultrasonic/
 > example/p4m/01.php_task/06.uart_hello/
 > example/p4m/01.php_task/08.pes_2401_blink_output
 > example/p4m/01.php_task/08.pes_2402_get_input
 > example/p4m/01.php_task/08.pes_2405_move_fast
 > example/p4m/01.php_task/08.pes_2405_move_slow
 > example/p4m/02.html_text/00.hello/
 > example/p4m/02.html_text/01.uio_buzzer/
 > example/p4m/02.html_text/01.uio_ob_led/
 > example/p4m/02.html_text/01.uio_touch_sensor/
 > example/p4m/02.html_text/02.adc_light_sensor/
 > example/p4m/02.html_text/02.adc_rotary_angle/
 > example/p4m/02.html_text/03.ht_pwm_servo/
 > example/p4m/02.html_text/03.ht_ultrasonic/
 > example/p4m/03.html_image/00.hello/
 > example/p4m/03.html_image/01.uio_buzzer/
 > example/p4m/03.html_image/01.uio_ob_led/
 > example/p4m/03.html_image/01.uio_touch_sensor/
 > example/p4m/03.html_image/02.adc_light_sensor/
 > example/p4m/03.html_image/02.adc_rotary_angle/
 > example/p4m/03.html_image/03.ht_pwm_servo/
 > example/p4m/03.html_image/03.ht_ultrasonic/
 > example/p4m/03.html_image/08.pes_2401_push_output
 > example/p4m/04.html5_text/00.hello/
 > example/p4m/04.html5_text/01.uio_touch_sensor/
 > example/p4m/04.html5_text/02.adc_light_sensor/
 > example/p4m/04.html5_text/02.adc_rotary_angle/
 > example/p4m/04.html5_text/03.ht_ultrasonic/
 > example/p4m/05.html5_graphics/00.hello/
 > example/p4m/05.html5_graphics/01.uio_buzzer/
 > example/p4m/05.html5_graphics/01.uio_ob_led/
 > example/p4m/05.html5_graphics/02.adc_light_sensor/
 > example/p4m/05.html5_graphics/02.adc_rotary_angle/
 > example/p4m/05.html5_graphics/03.ht_pwm_servo/
 > example/p4m/05.html5_graphics/08.pes_2404_pos_rpm
 > example/p4m/05.html5_graphics/08.pes_2405_touch_rotate

2017.08.17. psp_2.2.1

- example name change
  > 01.php_task/01.uart_hello => 01.php_task/06.uart_hello
- new p4s examples
  > 01.php_task/08.pes_2401_blink_output
  > 01.php_task/08.pes_2402_get_input
  > 01.php_task/08.pes_2405_move_fast
  > 01.php_task/08.pes_2405_move_slow
  > 03.html_image/08.pes_2401_push_output
  > 05.html5_graphics/08.pes_2404_pos_rpm
  > 05.html5_graphics/08.pes_2405_touch_rotate

2017.07.20. psp_2.2.0

- sn_dns.php : dns cache support
- new beta library : sn_http_b1.php, sn_json_b1.php, sn_sntp_b1.php, sn_thingspeak_b1.php

2017.06.02. psp_2.1.1

- sn_smtp.php
  > line : include_once "/lib/sn_dns.php";
- sn_esmtp.php
  > line : include_once "/lib/sn_dns.php";
- sn_mysql.php
  > line : include_once "/lib/sn_dns.php";
- sd_spc.php : new function
  > spc_request_sys(int $sid, string $cmd)
  > spc_request_dev(int $sid, string $cmd)

2017.02.21. psp_2.1.0

- new library : sd_spc.php
- sd_340.php
  > TxDE flow control support
- sn_esmtp.php
  > auth comparison order change : PLAIN/LOGIN => LOGIN/PLAIN
- sn_mysql.php
  > change default tcp/udp id : 0 => 4
  > change default timeout : 5 => 6 seconds
  > change argument and return value : mysql_error(), mysql_errno()
  > add return logic from server : mysql_ping(), mysql_select_db()
  > minor bug fixes
- sn_tcp_ac.php
  > tcp reconnect bug fix

2017.02.16. psp_2.0.0

- Initial release (from psp2_20160519)