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Discussion Title Created date
help with Bubble Sort
Guys, i'm working on a bubble sort and its only resulting in a semi sorted list.  Long file names are not being sorted properly.   for (l = 0; l < entry_nr; l...
Tuesday, 16 July 2019 - 14:49
ternary operator virginity
Why is this failing to compile?   (nr_entries1 > nr_entries2) ? nr_entries = nr_entries1 : nr_entries = nr_entries2; 
Sunday, 14 July 2019 - 17:08
allocating memory to an array of pointers doesn't work
Hi guys, what's wrong with this???   char * strings[10];; for(int i = 0; i < 10; i++) strings[i] = safe_malloc(255); 
Saturday, 13 July 2019 - 20:19
code never executed
Hi guys, I have a function and I set a value, "boundary_violation", but later when I test it, it never executes?  Have a look at the snapshot.  // locate number of...
Monday, 1 July 2019 - 17:48
this one is for clawson
clawson, when a directory entry occurs at the boundary of a cluster do you split the directory between the two clusters, or move on to the next cluster and not split the entry?
Saturday, 29 June 2019 - 02:08
USB
Hi guys, I'm preparing to start USB development.  Can I use the CDC class for things like keyboards and mass storage? I'm waiting on a book called "Embedded USB".  ...
Sunday, 23 June 2019 - 17:19
DMA MMC SD Cards
Just how fast is the DMA transfer between memory(array) and sd card?  I'm thinking of losing the need for buffers to hold the (data and directory) clusters and loading/saving...
Wednesday, 19 June 2019 - 01:04
Raspberry Pi
Guys, what the Raspberry Pi like for embedded stuff, not Linux development? It's extremely cheap at £35 with 1 Gig of DDR RAM?   I suspect there is lots of baremetal stuff on...
Tuesday, 18 June 2019 - 15:49
Offset not being used
Guys I have a small routine that is not working.  Have a look below: /* * Get a new cluster bit from the File Allocation Table */ int get_cluster_bit(struct ff_file *...
Friday, 14 June 2019 - 16:14
clawson - data buffer
Hi Clawson, should I load one sector at a time into a data buffer or just load the entire cluster?  I'm guessing that to load one sector at a time would be best since it is...
Thursday, 6 June 2019 - 21:15
GettingStarted with USB
Hi freaks, I need to write a driver for a USB keyboard.  I however have not a clue on how to do this.  I' not familiar with USB.  Could anyone recommend a good book...
Monday, 3 June 2019 - 18:51
project playing up
Guys, I'm still having bother with my project, basically things like structures, malloc/free, and arrays are causing the system to fail.  Its a large project so I don't even...
Monday, 3 June 2019 - 18:49

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