ESP32固件分为ESP-IDF v3.x/4.x两个版本

[shaoziyang]

随着ESP-IDF 4.x的测试版发布，ESP32的MicroPython目前也分为了ESP-IDF v3.x和ESP-IDF v4.x两个版本：
 
Firmware built with ESP-IDF v3.x, with support for LAN and PPP but no bluetooth:
 

• GENERIC : esp32-idf3-20191124-v1.11-586-g1530fda9c.bin
• GENERIC : esp32-idf3-20190529-v1.11.bin
• GENERIC : esp32-idf3-20190125-v1.10.bin
• GENERIC : esp32-idf3-20180511-v1.9.4.bin
• GENERIC-SPIRAM : esp32spiram-idf3-20191124-v1.11-586-g1530fda9c.bin
• GENERIC-SPIRAM : esp32spiram-idf3-20190529-v1.11.bin
• GENERIC-SPIRAM : esp32spiram-idf3-20190125-v1.10.bin
• TinyPICO : tinypico-idf3-20191124-v1.11-586-g1530fda9c.bin

 Firmware built with ESP-IDF v4.x, with support for bluetooth but no LAN or PPP:

• GENERIC : esp32-idf4-20191124-v1.11-586-g1530fda9c.bin
• GENERIC-SPIRAM : esp32spiram-idf4-20191124-v1.11-586-g1530fda9c.bin
• TinyPICO : tinypico-idf4-20191124-v1.11-586-g1530fda9c.bin

[Walkline]

嗯，对