Search found 13 matches

by valmik thakar
Wed Feb 08, 2017 6:52 pm
Forum: General Q&A
Topic: Flash-Map 4096KB User/System param
Replies: 3
Views: 4694

Re: Flash-Map 4096KB User/System param

Hi, i have test again by erasing whole 16kb flash system parameter area. Previously I just erase 4 KB from 0x3fc000. After erase last 16 kb all data are erased and esp wake up in soft-ap mode with ESP_XXXXXX (where XXXXXX is last 6 digits of mac) ssid with open security. But I have noticed that when...
by valmik thakar
Wed Feb 08, 2017 5:03 pm
Forum: General Q&A
Topic: Flash-Map 4096KB User/System param
Replies: 3
Views: 4694

Re: Flash-Map 4096KB User/System param

Hi, system parameter area can erase by application developer? For test this in my esp8266 wroom 2 module, erase 0x3fc000 sector. API for erase sector returns ok status but then module wake from previous set configurations of wifi even i did not set any configurations. And for my project I have used ...
by valmik thakar
Tue Sep 06, 2016 1:39 pm
Forum: General Q&A
Topic: question about kaa SDK
Replies: 1
Views: 2088

question about kaa SDK

hi,

i want to port kaa-c SDK in esp8266.
any one have a experience on porting kaa sdk in esp8266.
if yes then how can i compile it with esp8266 tool chain.
what configuration need to do for compiling kaa sdk with xtensa tool chain.

thanks and regards
valmik thakar
by valmik thakar
Tue Aug 02, 2016 2:35 pm
Forum: Showcase
Topic: HSPI PORT OVERLAP MODE DEMO
Replies: 9
Views: 21730

Re: HSPI PORT OVERLAP MODE DEMO

hi,

i want to connect two esp using SPI for freeRTOS SDK.
i got some libs but i don't find any function for make esp device as a slave.
so, can anyone guide me how can i make any esp device as a spi slave device in freeRTOS.

regards,
Valmik Thakar
by valmik thakar
Mon Aug 01, 2016 2:37 pm
Forum: General Q&A
Topic: need to connect two esp module using SPI or UART.
Replies: 1
Views: 3360

Re: need to connect two esp module using SPI or UART.

hi please any give me answer for how to connect two esp module using SPI.

regards,
valmik thakar
by valmik thakar
Mon Aug 01, 2016 1:39 pm
Forum: General Q&A
Topic: need to connect two esp module using SPI or UART.
Replies: 1
Views: 3360

need to connect two esp module using SPI or UART.

hi, i use ESP-WROOM-02 module for our project. as per our requirement we need to connect two esp modules with one esp module using UART or SPI. one device can connect with UART because uart0 have both rxd/txd pins but uart1 have only txd so we need to use spi for another module. i port spi.c lib got...
by valmik thakar
Fri Jul 29, 2016 1:18 pm
Forum: ESP8266 SDK
Topic: [SOLVED] got error of user_rf_cal_sector_set in latest RTOS 1.4.2 SDK
Replies: 2
Views: 7712

[SOLVED] got error of user_rf_cal_sector_set in latest RTOS 1.4.2 SDK

hi, i download SDK http://bbs.espressif.com/viewtopic.php?f=46&t=2349 from this link and i compile code so i got error of ./SDK/esp_iot_rtos_sdk-master/lib\libmain.a(app_main.o): In function `flash_data_check': (.irom0.text+0x550): undefined reference to `user_rf_cal_sector_set' ./SDK/esp_iot_rt...
by valmik thakar
Wed Jul 27, 2016 8:27 pm
Forum: General Q&A
Topic: about latest RTOS SDK
Replies: 4
Views: 2994

Re: about latest RTOS SDK

hi, i use uart.c from example code but UART not work correctly. please anyone help me how can i up UART and make console. and i made code in c++ , so i changed extension of uart.c to uart.cpp , i think no any issue because of this . please anyone help me for how to drive GPIO and UART. regards, valm...
by valmik thakar
Tue Jul 26, 2016 7:29 pm
Forum: General Q&A
Topic: about latest RTOS SDK
Replies: 4
Views: 2994

Re: about latest RTOS SDK

hi, i port SDK 1.4.0 in my code and i compiled and i got error as src/uart.cpp:238:55: error: 'uart_div_modify' was not declared in this scope. definition of uart_div_modify was not present. as per search, i found that definition is present in libmain.a. i include libmain.a but even i got error. can...
by valmik thakar
Sat Jul 23, 2016 5:54 pm
Forum: General Q&A
Topic: about latest RTOS SDK
Replies: 4
Views: 2994

Re: about latest RTOS SDK

thanks pratik for your support. but i found that code which is being compiled has all functions in flash memory using FUNC_FLASHMEM -> __attribute__((section(".irom0.text"))), MTD_FLASHMEM ->__attribute__((section(".irom1.text"))) TMTD_FLASHMEM -> __attribute__((section(".ir...

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