ESP32, sd-card, file append is not correct

[stefan.erni]

Hi Ben

i did some tests.

Creating a file works well.

appendINTArray not ok. strange data saved

append string not ok. strange text saved

As an example I wrote the string "1234567890".

The result is 10 strange characters in the file.

regards

Stefan

Append string

Snag_172d663.png (35.18 KiB) Viewed 1031 times

bad test result on file

Snag_1732195.png (1.63 KiB) Viewed 1031 times

bad test result second time (with lower speed.)

Snag_17a709d.png (1.2 KiB) Viewed 1031 times

[stefan.erni]

Hi Ben

Today I have tested again.
I have written a new program, just to test the file function

append string works
append array is not working correct.
it looks like one byte of the two bytes from an integer is not written correctly to disc.

regards

Stefan

append string is ok

Snag_33e466e2.png (3.78 KiB) Viewed 1011 times

Testprogram

Test_sdcard_buffer1.fcfx

(34.35 KiB) Downloaded 56 times