Motor control application using DSP56F807

Started by kvnvarmain in Freescale DSPs13 years ago 2 replies

Hi i am working on a motor control application using DSP56F807.We are developping an algorithm for position control of BLDC motor.I am facing...

Hi i am working on a motor control application using DSP56F807.We are developping an algorithm for position control of BLDC motor.I am facing a problem in the commutaion algorithm of the BLDC motor. Actually we have developped a commutaion algorithm and it is working(not upto the mark). we have configured our PWM module for edge aligned, independent mode of operation,16Khz of PWM frequen...


RE: DSP56F807: Synchronization of on chip ADC to PW M

Started by Johnson, Jerry in Freescale DSPs16 years ago

RE: [motoroladsp] DSP56F807: Synchronization of on chip ADC to PWM I put the following at the end of my ISR: ...

RE: [motoroladsp] DSP56F807: Synchronization of on chip ADC to PWM I put the following at the end of my ISR:                 bfse


DSP56F807 questions

Started by Andrew Shelkovenko in Freescale DSPs17 years ago 1 reply

Hello! Sorry for my  English.   I have some qustions about DSP56F807.

Hello! Sorry for my  English.   I have some qustions about DSP56F807.


ID

Started by Ozan Sihmanoglu in Freescale DSPs17 years ago 1 reply

Hi All, Does anyone know, is there any ID for DSP56F807, which differs from chip to chip and is unique ? Thanks. ...

Hi All, Does anyone know, is there any ID for DSP56F807, which differs from chip to chip and is unique ? Thanks. Ozan Sadi Sihmanoglu Electrical Engineer EKA AS


DSP56F807

Started by Lionel Degoutte in Freescale DSPs16 years ago

Hi, I want to use flash as non volatile memory. How can i do to read and write variables in flash ? Thanks. ...

Hi, I want to use flash as non volatile memory. How can i do to read and write variables in flash ? Thanks.


analog transmission betweeen DSPs

Started by amandadsp in Freescale DSPs16 years ago

Hi group, I need some help sending data between the D/A of one DSP56F807 and the A/D of another. Is there some easy way to...

Hi group, I need some help sending data between the D/A of one DSP56F807 and the A/D of another. Is there some easy way to use the Loop sequential mode of operation to accomplish this. How is data (for example) characters converted to be send through the D/A?


DSP56F807 with external memory

Started by Santi Corera in Freescale DSPs17 years ago

Hello all, How can I access peripherals registers (in locations 0x1000 - 0x17FF) with the EX bit set ? Is the only way...

Hello all, How can I access peripherals registers (in locations 0x1000 - 0x17FF) with the EX bit set ? Is the only way clearing EX before the access and setting it after the access ? Thanks in advance.


Where can I find SDK for Serial Bootloader for DSP56F801 80MHz?

Started by pitchayav in Freescale DSPs14 years ago

The example in Codewarior have shown me for Serial Bootloader for DSP56F807, but the target CPU of mine is DSP56F801.. Could U please...

The example in Codewarior have shown me for Serial Bootloader for DSP56F807, but the target CPU of mine is DSP56F801.. Could U please link me to that? Thanks in advance


Power consumption on DSP56F807

Started by vmiramont in Freescale DSPs18 years ago 1 reply

Hello, Does anyone have an idea on what is the typical power consumption on the DSP5F807? Also anyone have any good ideas on...

Hello, Does anyone have an idea on what is the typical power consumption on the DSP5F807? Also anyone have any good ideas on how to put the DSP to sleep when idle. Thanks In Advance Victor Miramontes


about DSP56F807

Started by swaroop in Freescale DSPs17 years ago 1 reply

hi Can any one give the description of DAC pins on the DSP56807EVM board........... Iam writing on channels A and D using the...

hi Can any one give the description of DAC pins on the DSP56807EVM board........... Iam writing on channels A and D using the SDKs DAC driver...which pins I must use to see the output. thanks in advance.... swaroop


statement to break into debugger

Started by pixtronix in Freescale DSPs14 years ago 2 replies

I used to use this bit of inline assembly with the DSP56F807: asm(debug); but it doesn't work with my new DSP56F8323. It was handy-- I...

I used to use this bit of inline assembly with the DSP56F807: asm(debug); but it doesn't work with my new DSP56F8323. It was handy-- I could conditional compile a whole bunch of important breakpoints and turn them on/off by toggling a #define. Anybody know what's the statement to force a breakpoint in code for the 56F8000/E stuff? Pix


Strange DSP56F807 problem

Started by Yochum, William in Freescale DSPs17 years ago

Greetings: I have recently found a very unusual problem that to the best of my knowledge appears to be in the 807 hardware. I'm...

Greetings: I have recently found a very unusual problem that to the best of my knowledge appears to be in the 807 hardware. I'm hoping the gurus on this list might provide some input. I have a situation where I am servicing an interrupt, and I'm allowing a higher


DSP56F807 interrupts

Started by rotronics2001 in Freescale DSPs16 years ago

hello, can someone explain me how can i do to interrupt an interrupt subrootine? With "pragma interrupt" it doesn't work. ...

hello, can someone explain me how can i do to interrupt an interrupt subrootine? With "pragma interrupt" it doesn't work. Thank you.


AW: DSP56F807 interrupts

Started by Bende Georg in Freescale DSPs16 years ago

You habe to enable the interrupt(s) when entering one interrupt which is interruptable. Georg Bende Softwareentwickler ...

You habe to enable the interrupt(s) when entering one interrupt which is interruptable. Georg Bende Softwareentwickler Abteilung Elektronik Dr. Fritz Faulhaber GmbH & Co KG Daimlerstr. 23 71101 Sch?naich Tel: +49 7031 638294 >


(COP ) Module DSP56F807

Started by vmiramont in Freescale DSPs17 years ago 2 replies

Hey guys, I am trying to use the Computer Operating Properly (COP) Module and am having some trouble. My problem is that the...

Hey guys, I am trying to use the Computer Operating Properly (COP) Module and am having some trouble. My problem is that the DSP will not reset when the timer expires. I just gets stuck. Does anybody know if I missed any configuration parameters Thanks In Advance


Using DSPCOMMPARALLEL

Started by Lionel Degoutte in Freescale DSPs16 years ago 2 replies

I have The evaluation board DSP56F807 EVM-1 with codewarrior 5.0. The communication between the computer and the evaluation board is...

I have The evaluation board DSP56F807 EVM-1 with codewarrior 5.0. The communication between the computer and the evaluation board is very slow when I want to run or stop the program. Moreover I can put only on breakpoint in the program. Can someone tell me if there is the same limita


A/D interrupt

Started by Elefante Alessandro in Freescale DSPs16 years ago 1 reply

HI, I work with DSP56F807.I sample two signals with two different A/D (T-sample=2us). Is it possible to minimize C code...

HI, I work with DSP56F807.I sample two signals with two different A/D (T-sample=2us). Is it possible to minimize C code that control the A/D interrupt routine( to read the FIFO) in order to manage interrupt priority( and the interrupt time)?


C COMPILERS FOR 16 BIT DSP 56F807

Started by somanchi srinivas in Freescale DSPs16 years ago 1 reply

hi, I would like to know if there are any compilers avaiable for C ,as we are trying to program a 16-bit DSP56F807 ...

hi, I would like to know if there are any compilers avaiable for C ,as we are trying to program a 16-bit DSP56F807 microprocessor any one can suggest any compiler , the compiler can be free of cost or we are even ready to buy it. I hope some one will repond back. thanks


807 SCI1/GPIOD problems

Started by BJ Opp in Freescale DSPs16 years ago

I'm trying to setup SCI1 as a communications port (using the DSP56f807 EVM), but am running into difficulty with it. I have ...

I'm trying to setup SCI1 as a communications port (using the DSP56f807 EVM), but am running into difficulty with it. I have already setup SCI0 and verified it to be working so I know that i'm on the right track for sampling data. I have initialized both ports the same way, 9600 baud,


Fractional Math

Started by Terry Litinas in Freescale DSPs17 years ago 3 replies

Hello, I am working on a project with the DSP56F807, CodeWarrior 5.02, and SDK 2.5 and am fairly new to the DSP world. I have...

Hello, I am working on a project with the DSP56F807, CodeWarrior 5.02, and SDK 2.5 and am fairly new to the DSP world. I have questions concerning fractional and integer math for my application. When reading an 807 ADC channel I am interpreting the value as a 16 bit fractional