@@bluehash I try to write my data into SD-card, but i have a problem. It overwrite the old-data in sd card, i try to using "pf_lseek(ofs);" function, but nothhing change and i can't control the pointer where i start to write the first data. And further, i can read- write data correctly without control the first byte location. Where is the mistake? Please help me!
And my project in the attach file.
Thank you!
test sd card 3.rar