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| Search found 23 matches |
| Author | Message |
|---|---|
 Topic: Simple interrupt code doesn't do anything |
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| JosedeJesusC Replies: 2 Views: 5101 |
 Forum: General CCS C Discussion Posted: Sat Oct 19, 2013 7:20 pm Subject: Simple interrupt code doesn't do anything |
| Hi Again !!!
I've been trying to make a simple interrupt code but the microcontroller doesn't do anything, why!!!!! it just is in the while loop, I tried with the RB1 interrupt but nothing, I hope ... |
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| Topic: SPI DI and External Interrupt by RB0 |
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| JosedeJesusC Replies: 18 Views: 31292 |
Forum: General CCS C Discussion Posted: Sun Oct 06, 2013 10:56 pm Subject: SPI DI and External Interrupt by RB0 |
OMG!!!! PCM programmer  I'm so sorry. I'm wrong.
Integer of 8 bits just can represent till 255 :S. I can achieve 8 MHz but It's just a trial, It seems the PIC is working now adding that ... |
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| Topic: SPI DI and External Interrupt by RB0 |
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| JosedeJesusC Replies: 18 Views: 31292 |
Forum: General CCS C Discussion Posted: Sun Oct 06, 2013 6:26 pm Subject: SPI DI and External Interrupt by RB0 |
| Hi thanks for your reply here is my code.
my compiler version is PCWHD 4.105 #include<18f26J50.h> #fuses HSPLL, NOWDT, NOPROTECT, NODEBUG, PLLDIV1, NOCPUDIV, STVREN, NOXINST #USE delay&# ... |
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| Topic: SPI DI and External Interrupt by RB0 |
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| JosedeJesusC Replies: 18 Views: 31292 |
Forum: General CCS C Discussion Posted: Wed Oct 02, 2013 1:37 pm Subject: SPI DI and External Interrupt by RB0 |
| Hi everybody I've got a trouble, the pic18f26j50 doesn't do anything in the part of the for loop (in the code above), when the interrupt_active(EXT_INT), is executed, the program is stagnated, why?, I ... | |
| Topic: SPI DI and External Interrupt by RB0 |
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| JosedeJesusC Replies: 18 Views: 31292 |
Forum: General CCS C Discussion Posted: Fri Sep 13, 2013 9:03 pm Subject: SPI DI and External Interrupt by RB0 |
| Hi PCM programmer !!!
I'm sorry by the late I haven't seen your reply till now !!!! The microcontroller 18F26J50 arrived from USA !!! this morning since I ordered it 1 month ago because it w ... |
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| Topic: SPI DI and External Interrupt by RB0 |
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| JosedeJesusC Replies: 18 Views: 31292 |
Forum: General CCS C Discussion Posted: Sun Aug 11, 2013 11:36 pm Subject: SPI DI and External Interrupt by RB0 |
Hi PCM programmer  !!!!
Thanks for your reply. The pic use a 4MHz crystal for the USB module, and derive the 48 MHz. Ok! I'm going to use the counter CD4040 to divide the max Frequency (8 MH ... |
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| Topic: SPI DI and External Interrupt by RB0 |
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| JosedeJesusC Replies: 18 Views: 31292 |
Forum: General CCS C Discussion Posted: Thu Aug 01, 2013 10:25 am Subject: SPI DI and External Interrupt by RB0 |
| Hi Ttelmah !!!!
thanks for your reply, I think your way to do it is better. I'm going to use the 26j50, low consumption, high speed, it's great!!. Yeah the ADS1254 has its own clock source with c ... |
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| Topic: SPI DI and External Interrupt by RB0 |
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| JosedeJesusC Replies: 18 Views: 31292 |
Forum: General CCS C Discussion Posted: Thu Aug 01, 2013 8:14 am Subject: SPI DI and External Interrupt by RB0 |
| Thanks FVM and Ttelmah.
Yeah it's a Master. The SPI behaivor is : when the data it's ready from the external ADC (as gently PCM programmer said it's ADS1254) the interrupt is executed. The A ... |
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| Topic: SPI DI and External Interrupt by RB0 |
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| JosedeJesusC Replies: 18 Views: 31292 |
Forum: General CCS C Discussion Posted: Wed Jul 31, 2013 7:57 pm Subject: SPI DI and External Interrupt by RB0 |
| Hi Everybody my question is:
the Data In PIN of SPI communication and the External Interruption can they both being work together in the same PIN RB0? The device is PIC18F4550. The trouble is t ... |
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| Topic: Count clock cycles of the PWM |
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| JosedeJesusC Replies: 15 Views: 22150 |
Forum: General CCS C Discussion Posted: Fri Jul 26, 2013 10:54 am Subject: Count clock cycles of the PWM |
| Hi asmboy.
yeah I've got the information above the load cell. It's got circuits to avoid noise, the amplifier's going to be designed with a monolithic of ANALOG DEVICE. About the ADC I have the C ... |
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| Topic: Count clock cycles of the PWM |
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| JosedeJesusC Replies: 15 Views: 22150 |
Forum: General CCS C Discussion Posted: Thu May 16, 2013 11:46 am Subject: Count clock cycles of the PWM |
| Hi asmboy and PCM Programmer !!!! I'm sorry If I don't Know many things, but I'll keep trying to learn more.
The data sheet says that ADC gives 19 free noise resolution bits, achieving more resoluti ... |
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| Topic: Count clock cycles of the PWM |
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| JosedeJesusC Replies: 15 Views: 22150 |
Forum: General CCS C Discussion Posted: Wed May 15, 2013 1:03 pm Subject: Count clock cycles of the PWM |
| thanks for your reply asmboy.
Ok I'm going to forgive the PWM and count MCLK cycles. The key is on the function DOUT/DRDY. About that pull up resistance all I have to do is connect it, from D ... |
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| Topic: Count clock cycles of the PWM |
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| JosedeJesusC Replies: 15 Views: 22150 |
Forum: General CCS C Discussion Posted: Wed May 15, 2013 10:32 am Subject: Count clock cycles of the PWM |
| Hi asmboy thanks for your reply!!!
first I owe you an apology because I didn't know explain my doubt. But looking for information I've found an application report from Texas instruments. the ... |
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| Topic: Count clock cycles of the PWM |
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| JosedeJesusC Replies: 15 Views: 22150 |
Forum: General CCS C Discussion Posted: Fri May 10, 2013 12:07 pm Subject: Count clock cycles of the PWM |
| Thanks for your reply asmboy!!
As I understood It's not necessary, a continuous clock it's not necessary when I need read from the ADC an analog signal then I generate the clock , but if I wanna ... |
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| Topic: Count clock cycles of the PWM |
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| JosedeJesusC Replies: 15 Views: 22150 |
Forum: General CCS C Discussion Posted: Thu May 09, 2013 6:29 pm Subject: Count clock cycles of the PWM |
| The ADC is ADS1254 who needs a external clock signal.
The pwm from pic18f4550 generates the clock signal. I'm going to use SPI communication to receive the data, but as the data sheet says I need to ... |
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