Search found 22 matches

Thank you Ttelmah,
I have to transmit a simple data from multiple weather stations to a gateway. In this application LoRa is very convenient.
Without a LoRaWAN, my doubt are:
1) collisions when mul ...

Dear All,
I would like to make a LoRaWAN (868MHz) network with EByte LoRa modules. But I need a LoRaWAN stack. I read that Microchip has a plug-in but I was unable to download it. Anyone know a libra ...

Dear Ttelmah, thank you very much!
This is the right work around for the dsPIC33EPXXGS50X family. I just added the output_high on the clock pin.

I report your code here with this setting, maybe i ...

OK, I don't use that PIC but 3 things I can think of...

1) check the listing to confirm the hardware SPI peripheral is being used....

2) check the compiler version for 'bugs'

3) check the PI ...

The datasheet says that the clock should idle high (CPOL=1), and the data
should be read on the rising edge of the clock (CPHA=1). This is SPI
mode 3. However there is also t1, which says you must ...

I downloaded the datasheet, max speed seems to be 4.8KHz, so I'd really slow down the SPI speed !
maybe try at 5,000 ??

I couldn't easily see the SPI mode in the datasheet...

The AD7190 is a 24 ...

SPI has 4 modes.... since mode 0 doesn't work, try mode 1 !!
Someone will probably post the 'code cheat' that lists the 4 modes as defines....I can't member stuff like that anymore,sigh.

Thanks t ...

Dear All,
I use DSPIC33EP16GS502 and AD7190 with a SPI communication.
In the AD7190 the SPI MODE is 3 because:
--> idle state for SPI clock is high (SPI clock polarity 1)
--> data is latched ...

It's behaving as if Aux is running off Frc/2 without the Aux PLL.

In my dspic the auxiliary clock ACLK is the clock for ADC and PWM modules.

If I use:
#use delay(CLOCK=140MHz, CRYSTAL=8MHz)
T ...

I use this code, but the PWM is unstable.

include <33EP64GS504.h>

#fuses ICSP1
#fuses NOJTAG
#fuses NOALTI2C1
#fuses NOALTI2C2
#fuses NOIOL1WAY

#fuses OSCIO ...

How is a period of 0xFFFF going to give 460kHz?. This is out of spec for the chip 0x10 to 0xFFF8.

I used HSPWM_TIME_BASE_FROM_PHASE_REGS and set_hspwm_phase, then I did not take the value into Pe ...

OK, I don't use 33 series PICs but..
shouldn't you have a 'clock= desired speed' line of code ??
You're right, in the "copy and paste" I missed delay instruction. Now, I edited my post. So ...

Hello programmers,
these days I'm using the dspic33EP64GS504 (CCS 5.076 and MPLAB 4.05), I want to generate a frequency of 500kHz but without success.
I have no problem for frequencies lower than 46 ...

Yes, I will contact CCS for debugging.

If I use
set_timer1(get_timer1()+X);
where X is any 16 bit number, Timer1 interrupt always works at 4ms. Shocked

I use in interrupt routine:
set_timer1(49536);
And in m ...