Search found 25 matches

by wjzhang
Thu Oct 22, 2015 12:16 pm
Forum: ESP8266 SDK
Topic: uart_div_modify failed!
Replies: 4
Views: 5455

Re: uart_div_modify failed!

Hi I'm found a interest thing. the PC baudrate set to 230400. the ESP8266 baudrate set to 354461. the ESP8266 will receive right datas.
230400/354461 = 0.65. it seem the CPU freq in call_user_start() is 80Mhz * 0.65 = 52Mhz.
Could some tell me what's going on? :?
by wjzhang
Wed Oct 21, 2015 9:07 am
Forum: ESP8266 SDK
Topic: uart_div_modify failed!
Replies: 4
Views: 5455

Re: uart_div_modify failed!

sorry, forget another difference: the boot call uart initalize at call_user_start(), the normal firmware(USER1) call uart initalize at user_init().

Thanks for your help!
by wjzhang
Tue Oct 20, 2015 6:24 pm
Forum: ESP8266 SDK
Topic: uart_div_modify failed!
Replies: 4
Views: 5455

uart_div_modify failed!

Hi: the ESP8266 standard boot-vx.x.bin did not meet our requirement. i write another boot firmware. the UART driver is copy from normal firmware(USER1/USER2), it's working fine. but it in boot firmware. it's seem the baudrate setting is wrong. difference between these 2 UART driver: 1) boot uart dri...
by wjzhang
Thu Aug 27, 2015 2:23 pm
Forum: Documentation Request
Topic: 请在这里发表关于文档的需求
Replies: 16
Views: 47251

Re: 请在这里发表关于文档的需求

可以提供esp_init_data_default.bin的数据结构吗? 选择USER1 / USER2的的字节是哪个?
by wjzhang
Thu Jul 30, 2015 10:06 am
Forum: ESP8266 SDK
Topic: the Wifi direct(Wifi P2P) API
Replies: 0
Views: 2969

the Wifi direct(Wifi P2P) API

:?: where the wifi P2P API in SDK 1.20 ? if no, when/which SDK release Wifi P2P API?

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