Search found 15 matches

by kartikkman
Sat Nov 10, 2018 4:35 pm
Forum: General Discussion
Topic: Storing a strucutre insde NVS
Replies: 7
Views: 1596

Re: Storing a strucutre insde NVS

Hi , Thanks for looking into my issue . Are you suggesting me to convert the structure into byte & then saving that byte data into NVS? At the Time of Retrieving, I cast that byte into the structure. Like this : https://stackoverflow.com/questions/13775893/converting-struct-to-byte-and-back-to-struct
by kartikkman
Sat Nov 10, 2018 11:48 am
Forum: General Discussion
Topic: Storing a strucutre insde NVS
Replies: 7
Views: 1596

Storing a strucutre insde NVS

I need to store a Structure inside the NVS of ESP32, is it possible with the current APIs available somehow ?? Actual Problem is: I need to store the Alarms inside the ESP-32, which will be of following structure : typedef struct { int minutes; int hours; int date ; }Alarm ; I will be storing multip...
by kartikkman
Tue Apr 17, 2018 6:09 pm
Forum: General Discussion
Topic: BLE
Replies: 0
Views: 427

BLE

Hi all , Today I was working on the BLE GATT profile . While I was going through the Official Documentation , I couldn't understand the significance / meaning of these two terms :
1.gatts_if
2.srvc_inst_id

Can anybody clear my doubts regarding the above mentioned terms ??
Thank You
by kartikkman
Sun Apr 15, 2018 1:12 pm
Forum: General Discussion
Topic: BLE , Transmitting Service UUID in GAP mode
Replies: 0
Views: 397

BLE , Transmitting Service UUID in GAP mode

Hi all , I am learning the BLE . I have currently implemented the GAP mode in ESP-32 . I would like to state that everything is running fine , but there are problems while advertising the Service Data in the Advertising packet . THe problem is that my peripheral device ( ESP-32 ) is visible in the a...
by kartikkman
Mon Feb 19, 2018 3:06 am
Forum: General Discussion
Topic: Image Size OV2640
Replies: 3
Views: 1624

Re: Image Size OV2640

Sincere Thanks Pibbotley ,for looking into my issue & solving it . Depends on compression ratio and level of detail in image, but for an order of magnitude; 10-30kB I just wanted to know , how did you calculate or come to that conclusion or any source where you got that info . I wanted to know more ...
by kartikkman
Sun Feb 18, 2018 3:11 pm
Forum: General Discussion
Topic: Using some Arduino libraries in bare-metal ESP32-IDF
Replies: 2
Views: 1947

Re: Using some Arduino libraries in bare-metal ESP32-IDF

Hi Brian Griffin , I think you won't be able to use most of the arduino libraries , by simply importing them . Those arduino libraries ( most of them ) use built in arduino functions like : delay , Serial or other functions which are not present directly in the C environment of the ESP IDF . One thi...
by kartikkman
Sun Feb 18, 2018 2:25 pm
Forum: General Discussion
Topic: Image Size OV2640
Replies: 3
Views: 1624

Image Size OV2640

I wanted to ask question which is bit Off topic , Here is Question : I am planning to use OV2640 module with ESP-32 ? But before using it , I wanted to know what is the file size of image received from OV2640 when resolution is set to 320 * 240 ( JPEG mode ) . IT would be a great help for me , if yo...
by kartikkman
Thu Jan 04, 2018 11:03 am
Forum: General Discussion
Topic: Problems flashing ESP-32
Replies: 2
Views: 789

Re: Problems flashing ESP-32

Hii , WiFive thanks for looking into my issue . I found that I was not flashing the bootloader , partition table into esp-32 that's why error occured . I was only flashing the app .

Again a Big Thanks for looking into my issue .
by kartikkman
Thu Jan 04, 2018 10:58 am
Forum: General Discussion
Topic: Error using Print statement inside interrupt
Replies: 1
Views: 880

Error using Print statement inside interrupt

Hi , first of all thanks for forum users for helping me out for the problems up till now . Today , I encountered issue while using interrupt , that when I write LOGS ( ESP_LOGI ) inside the interrupt , then I get the error . I wanted to know whether it occurs because interrupt handler function shoul...
by kartikkman
Wed Jan 03, 2018 12:48 pm
Forum: General Discussion
Topic: Problems flashing ESP-32
Replies: 2
Views: 789

Problems flashing ESP-32

Hi I am working on a project , where I have to flash the Bare ESP-32 using Flasher Tool . No the problem is that when I flash the ESP-32 , it flashes but when I run the "make monitor " command , it only shows garbage value plus ESP-32 is resetting . I know the program that I am flashing is correct a...

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