1. add modified version libgcc.a, remove functions which are already in rom, for removed functions, refer to eagle.rom.addr.v6.ld;
2. add modified version libcirom.a, remove functions which are already in rom, for removed functions, refer to eagle.rom.addr.v6.ld;
3. modify eagle.rom.addr.v6.ld;
4. modify Makefile, project can be separated from SDK;
5. add a project template in examples folder, it's IMPORTANT, PLS refer to readme.txt in project_template;
6. remove app project folder, project_template is a good startup;
7. use gcc by default;
8. modify ld struct, add some comment and Flash MAP, it's clear now;
9. add upgrade.h;
10.other minor changes;
1. Add pwm support;
2. Add c++ support; Please update to the latest folder "ld".
3. Add rand in libminic;
4. Add new reset reason REASON_EXT_SYS_RST in rst_reason;
5. Update the complied script ‘gen_misc.sh(bat)’, use the new boot and remove the old one;
6. Update folder "tools", and support CRC check of bin files; Please update to the latest folder "tools".
7. Optimize the process procedure of Wi-Fi event;
8. Fix bugs in printf when its runs out of memory;
9. Fix bugs in malloc when CACHE is disabled;
10.Fix exception and WDT reset bugs when CACHE is disabled;
11.Fix some Wi-Fi connection bugs;
12.Fix some Wi-Fi scan bugs;
13.Tune API "wifi_station_get_connect_status" for more accurate WiFi positioning;
14.Porting the optimization of non-OS SDK to RTOS SDK;
15.Fix other minor bugs.
