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A big thanks for the help.

It works perfectly now (at least for this part ^^).

Have a nice day.

Hello all,

CCS Version : CCS PCD C Compiler, Version 5.006, 7054
Chip used : DSPIC33FJ09GS302

In my program, I declare two registers :

#BYTE CMPCON1 = 0x0540
#BYTE CMPCON2 = 0x0544

and, ...

Thanks for the explanation Ttelmah. This compiler is full of hidden tricks, and is really not easy to handle for a first project.

So we have INT_SPI1 for SPI #1, INT_SPI2 for SPI #2, INT_SI2C2 fo ...

I found it !! Thanks very much for your help Ttelmah.

Interrupt SI2C doesn't appear on DSPIC33EP64GP503 datasheet. But it is in CCS .h file.

So, I was waiting for an interrupt that didn't exist. ...

Thanks for the hint. It seems it is the case. I tested the following code :

#include <33EP64GP503.h>

#fuses ICSP1 // ICD uses PGC1/PGD1 pins
#fuses NOJTAG // JTAG disabled
#fuses DEBUG ...

As always, you were right, Ttelmah. And something seems to have changed in communication :

* I2C master now is freezed when sending I2C trame, with SCL and SDA at low level.
* If I reset the s ...

Hello,

I use two board, each with a dspic33, and want to establish a communication with i2c between them. My first board use two i2c links, and first link which is used to communicate with other ...

Thanks for your answer,

It was a fix I made with 4.140 to have my two I2C working. I agree that it was not a logical solution, but it solved my problems ... momentarily.
Then, I installed 4.141 ...

Bingo !!

Thanks Ttelmah. This setup worked perfectly:

#USE I2C(MASTER, I2C1, STREAM=I2CM1)
#USE I2C(MASTER, I2C2, STREAM=I2CM2)

Effectively, it seems that software setup ...

Thanks for your answer Jay,

I just tested it. It changes nothing that the USE I2C is placed before or after the set_tris ... statements.

Fabrice

Hello,

I use PCD compiler V 4.141 with a DSPIC33EP256GP506. I encounter a very strange interraction between FAST_IO and I2C.

This program work, and I can see good signals on I2C connector with ...

Looking at the .sym file, I was surprised to see same address allocated to different symbols involved in my problem :

1408 mmcsd_init.i
1409 mmcsd_init.r1
140A mmcsd_crc_on_off.crc_enabl ...

Hello,

I'm using CCS PCD C Compiler, Version 4.140, 7054

I'm currently trying to communicate between a DSPIC33EP256GP506 and a micro SD card. The function "mmcsd_init()" is returni ...

I've just tested and it works perfectly on my design.

Thank you so much for your help.

Using #build(stack=1024) or #build(stack=2048) doesn't seems to have any effect on this issue.

I've added some diagnostics to the code, and I can see that restart is caused by a trap conflict (RE ...