问题：
使用开发板：NodeMCU
AliOS Things使用aos upload <工程名>@esp8266命令烧录启动后，波特率74880报错以下信息：
ets Jan 8 2013,rst cause:2, boot mode:(3,7)
load 0x40100000, len 2616, room 16
tail 8
chksum 0xef
load 0x33333333, len 858993459, room 0
解决：
修改烧录配置文件：build/site_scons/upload/esp8266.json，增加烧录模式：
修改前：
{
"cmd": [
{
"Linux32": "esptool.py",
"Linux64": "esptool.py",
"OSX": "esptool.py",
"Win32": "esptool.exe"
},
"--chip",
"esp8266",
"--port",
"@PORT@",
"--baud",
"921600",
"write_flash",
"--flash_size",
"detect",
"0x0",
"@AOSROOT@/platform/mcu/esp8266/bsp/boot_v1.7_921600.bin",
"0x3fc000",
"@AOSROOT@/platform/mcu/esp8266/bsp/esp_init_data_default.bin",
"0x3fe000",
"@AOSROOT@/platform/mcu/esp8266/bsp/blank.bin",
"0x1000",
"@AOSROOT@/out/@TARGET@/binary/@[email protected]"
]
}
修改后：
{
"cmd": [
{
"Linux32": "esptool.py",
"Linux64": "esptool.py",
"OSX": "esptool.py",
"Win32": "esptool.exe"
},
"--chip",
"esp8266",
"--port",
"@PORT@",
"--baud",
"921600",
"write_flash",
"--flash_mode",
"dout",
"--flash_size",
"detect",
"0x0",
"@AOSROOT@/platform/mcu/esp8266/bsp/boot_v1.7_921600.bin",
"0x3fc000",
"@AOSROOT@/platform/mcu/esp8266/bsp/esp_init_data_default.bin",
"0x3fe000",
"@AOSROOT@/platform/mcu/esp8266/bsp/blank.bin",
"0x1000",
"@AOSROOT@/out/@TARGET@/binary/@[email protected]"
]
}