ESP8266开发，实现MQTT客户端，与MQTT服务器通信，断线重连

# BOOT MODE ## download ### Flash size 8Mbit: 512KB+512KB boot_v1.2+.bin 0x00000 user1.1024.new.2.bin 0x01000 esp_init_data_default.bin 0xfc000 (optional) blank.bin 0x7e000 & 0xfe000 ### Flash size 16Mbit: 512KB+512KB boot_v1.2+.bin 0x00000 user1.1024.new.2.bin 0x01000 esp_init_data_default.bin 0x1fc000 (optional) blank.bin 0x7e000 & 0x1fe000 ### Flash size 16Mbit-C1: 1024KB+1024KB boot_v1.2+.bin 0x00000 user1.2048.new.5.bin 0x01000 esp_init_data_default.bin 0x1fc000 (optional) blank.bin 0xfe000 & 0x1fe000 ### Flash size 32Mbit: 512KB+512KB boot_v1.2+.bin 0x00000 user1.1024.new.2.bin 0x01000 esp_init_data_default.bin 0x3fc000 (optional) blank.bin 0x7e000 & 0x3fe000 ### Flash size 32Mbit-C1: 1024KB+1024KB boot_v1.2+.bin 0x00000 user1.2048.new.5.bin 0x01000 esp_init_data_default.bin 0x3fc000 (optional) blank.bin 0xfe000 & 0x3fe000 # NON-BOOT MODE ## download eagle.flash.bin 0x00000 eagle.irom0text.bin 0x10000 blank.bin Flash size 8Mbit: 0x7e000 & 0xfe000 Flash size 16Mbit: 0x7e000 & 0x1fe000 Flash size 16Mbit-C1: 0xfe000 & 0x1fe000 Flash size 32Mbit: 0x7e000 & 0x3fe000 Flash size 32Mbit-C1: 0xfe000 & 0x3fe000 esp_init_data_default.bin (optional) Flash size 8Mbit: 0xfc000 Flash size 16Mbit: 0x1fc000 Flash size 16Mbit-C1: 0x1fc000 Flash size 32Mbit: 0x3fc000 Flash size 32Mbit-C1: 0x3fc000 ## compile modify eagle.app.v6.ld, as irom0_0_seg : org = 0x40210000, len = 0x6C000 > NOTICE: UPDATE is not supported in non-boot mode; 4Mbit Flash is not supported in non-boot mode; # Update steps 1.Make sure TE(terminal equipment) is in sta or sta+ap mode AT+CWMODE=3 OK 2.Make sure TE got ip address AT+CWJAP="ssid","12345678" OK AT+CIFSR 192.168.1.134 3.Let's update AT+CIUPDATE +CIPUPDATE:1 found server +CIPUPDATE:2 connect server +CIPUPDATE:3 got edition +CIPUPDATE:4 start start OK > NOTICE: If there are mistakes in the updating, then break update and print ERROR.