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sdmmc infinite write mode

Question asked by Arvind Prasad on May 12, 2017
Latest reply on May 30, 2017 by Arvind Prasad

Im using an LPC 43s67 for data logger application.

I have to collect data at 1000hz frequency and i am able to do it.

I write the data to sd card sector wise, without file system and it takes about 4ms for 512 bytes using .PFA my code snippet


Since the sd write takes 4 ms I will be missing 4 sensor read cycles.

So i wanted to open the sd card once in infinite write mode and then just pass data to the fifo, thereby consuming least time.

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