Way to send data from UART

[Xbiotec]

Hi Ben,
I just made a sample program to send data from UART to a Sensor.
Could tell me if this is the good way to send data a the good baud rate or do you have a better way even without LUT, with a string or EEPROM etc...

send to UART.fcfx

(10.8 KiB) Downloaded 408 times

[BenR]

Hello,

That looks good to me. It really depends on if you need to be able to send different things.

As the data is fairly small you could send as a string using the following fixed string parameter. Sending as a string won't allow you to pass the value 0x00.

"\x64\x69\x03\x5E\x4E"

Or you could pop the values into a byte array and send the array. This will allow you to send the value 0x00.

data[0] = 0x64
data[1] = 0x69
etc

[Xbiotec]

hi Ben,
I did different test

Console.jpg (118.69 KiB) Viewed 4175 times

1- SendString like you proposed to me:
Data are well send in simulation but can not compile program , Failed attached log file
2- I don't know if data are sent to UART and there is no data in console, is it normal ?
3- Data sent and can be compiled

Could you check point 1 and 2 please

Another point without link with this
C:/esp-idf/components/esp_event/include/esp_event_loop.h:2:2: warning: #warning "esp_event_loop.h is deprecated, please include esp_event.h instead" [-Wcpp]
#warning "esp_event_loop.h is deprecated, please include esp_event.h instead"


thx

[Xbiotec]

There is also many error message during compilation of my project
see the file

WifiV3.2.msg.txt

(61.41 KiB) Downloaded 423 times

[LeighM]

re your first post - you need to remove the final \ character in send string
re second post - I don't see any errors, the compile and flash to device looks like it all worked ok
There are quite a few warnings, but these are normal (for now) and can be ignored.

[Xbiotec]

re your first post - you need to remove the final \ character in send string

Yes you are right !

re second post - I don't see any errors, the compile and flash to device looks like it all worked ok
There are quite a few warnings, but these are normal (for now) and can be ignored.

Yes without final \ character in send string, no error.

Thx