Author |
Message |
Topic: What happens if an interrupt appears while writing in SPI? |
romanrdgz
Replies: 3
Views: 4818
|
Forum: General CCS C Discussion Posted: Tue Jan 17, 2012 5:58 am Subject: What happens if an interrupt appears while writing in SPI? |
I had thought the same about the hardware SPI, but my project tutor didn't thought I was right. Glad to hear I was
Thanks for your help, and for the explanation about the longer clock, which has ... |
Topic: What happens if an interrupt appears while writing in SPI? |
romanrdgz
Replies: 3
Views: 4818
|
Forum: General CCS C Discussion Posted: Tue Jan 17, 2012 5:41 am Subject: What happens if an interrupt appears while writing in SPI? |
I'm using official CCS libraries fat.h and mmcsd.c to read and write files to a SD card.
I use an interrupt for serial communications so I can send commands to my ucontroller. I use a command to te ... |
Topic: Corrupt memory issues |
romanrdgz
Replies: 10
Views: 14687
|
Forum: General CCS C Discussion Posted: Mon Nov 28, 2011 4:06 pm Subject: No luck |
I have followed all you advices, but it isn't working yet. The problem is the same: the buffer called 'Buf' into the struct FILE called stream is being overwriten with gata received from uart interrup ... |
Topic: Corrupt memory issues |
romanrdgz
Replies: 10
Views: 14687
|
Forum: General CCS C Discussion Posted: Thu Nov 24, 2011 11:33 am Subject: Corrupt memory issues |
I'll try to follow your advice to get this working. I hope I find where the problem is. Thank you very much |
Topic: Corrupt memory issues |
romanrdgz
Replies: 10
Views: 14687
|
Forum: General CCS C Discussion Posted: Thu Nov 24, 2011 8:31 am Subject: Corrupt memory issues |
So, how will I know when they are wrong declared? I'd like to learn more about this topic. |
Topic: strtok problem |
romanrdgz
Replies: 4
Views: 7692
|
Forum: General CCS C Discussion Posted: Thu Nov 24, 2011 6:08 am Subject: strtok problem |
Sorry, I had tho posts opened and my last answer was for the other one.
I was going to try adding a \0 to the separators, but maybe your solutions are better, so I will give it a try this evening, ... |
Topic: Corrupt memory issues |
romanrdgz
Replies: 10
Views: 14687
|
Forum: General CCS C Discussion Posted: Thu Nov 24, 2011 6:06 am Subject: Corrupt memory issues |
So, if I declare FILE as static, should that do the trick? |
Topic: strtok problem |
romanrdgz
Replies: 4
Views: 7692
|
Forum: General CCS C Discussion Posted: Thu Nov 24, 2011 5:14 am Subject: strtok problem |
So, if I declare FILE stream as static, should that do the trick? |
Topic: strtok problem |
romanrdgz
Replies: 4
Views: 7692
|
Forum: General CCS C Discussion Posted: Thu Nov 24, 2011 3:42 am Subject: strtok problem |
I have a string with some fields divided by commas, and finalised by a ;
When I'm specting 2 fields, I'm using:
void processTokens(char *command){
char separador[3];
cmd ... |
Topic: Corrupt memory issues |
romanrdgz
Replies: 10
Views: 14687
|
Forum: General CCS C Discussion Posted: Thu Nov 24, 2011 3:31 am Subject: Corrupt memory issues |
Thanks for your answer. It was very clarifying.
The int8 Buffer
struct iobuf
{
fatpos_t
Bytes_Until_EOF, // how many bytes until the stream's end of file
Cur_Char, ... |
Topic: Corrupt memory issues |
romanrdgz
Replies: 10
Views: 14687
|
Forum: General CCS C Discussion Posted: Thu Nov 24, 2011 2:17 am Subject: Corrupt memory issues |
I have an int8 buffer[128] to store data collected from UART interrupts. I also use an struct FILE stream declared in the SD/MMC library for CCS mmcsd.c.
Writing didn't worked well until de ... |
Topic: Best way to use 2 UARTS |
romanrdgz
Replies: 3
Views: 5232
|
Forum: General CCS C Discussion Posted: Mon Nov 14, 2011 2:04 am Subject: Best way to use 2 UARTS |
I have a 18F46K80 with 2 hardware uarts. I'll be using one to sending/receiving Bluetooth commands whenever the user wants to (so maximum priority), and the other one to receive GPS data all the time. ... |
Topic: 18F46K80.h missing |
romanrdgz
Replies: 3
Views: 6012
|
Forum: General CCS C Discussion Posted: Thu Oct 20, 2011 10:55 am Subject: 18F46K80.h missing |
No? Then I have a big trouble...
In which version have been added this header anyway? |
Topic: 18F46K80.h missing |
romanrdgz
Replies: 3
Views: 6012
|
Forum: General CCS C Discussion Posted: Thu Oct 20, 2011 10:40 am Subject: 18F46K80.h missing |
Hi,
I'm working at my University computers with CCS C compiler for my project. I was using a Microchip 18F4685 with success, but as the project grew up I needed an additional UART, so I searched fo ... |
Topic: Best way to check if a file exists (fat.c) |
romanrdgz
Replies: 0
Views: 3431
|
Forum: General CCS C Discussion Posted: Fri Aug 19, 2011 4:35 am Subject: Best way to check if a file exists (fat.c) |
Hi,
I'm using fat.c library to create files and writing data into them. First of all, I'm checking if file_001.txt exists. If does exist, I'll then check if file_002.txt exists, and so on until I f ... |
|