ADC Interrupts, SDK

Started by Roger Flor in Freescale DSPs18 years ago

Hello I am a DSP56F805 EVM user I am trying to run the ADC using SDK Section 5.4.2 of the SDK user's manual (Targeting the...

Hello I am a DSP56F805 EVM user I am trying to run the ADC using SDK Section 5.4.2 of the SDK user's manual (Targeting the DSP56F8xx) says that "The ADC A Zero Crossing, ADC A Limit Error, and ADC A Conversion Complete interrupts are enabled when INCLU


ADC sync to PWM

Started by jongsooatyh in Freescale DSPs17 years ago 2 replies

Hi! I am using DSP56F805. Does anybody know how to synchronize ADC to PWM sync pulse and how to generate sync pulse? I also...

Hi! I am using DSP56F805. Does anybody know how to synchronize ADC to PWM sync pulse and how to generate sync pulse? I also need to know appconfig.h setup to do this. Motorola's embedded SDK is current working environment. Thanks. JS


ADC signal noise in EVB

Started by Anonymous in Freescale DSPs18 years ago 2 replies

Hi All, I have tried to use ADC in DSP56F805 EVM with SDK application note "ADC" and I have modified it to view result of...

Hi All, I have tried to use ADC in DSP56F805 EVM with SDK application note "ADC" and I have modified it to view result of conversion with PC-MASTER. I have connected a potentiometer to drive AN1 in J9 (A/D connector) but the result is that the readed value has an oscillatio


ADC Clock divisor

Started by kj831ca in Freescale DSPs17 years ago

I'm having problem with DSP56F805 board from NewMicro as A/D too noisy about 100 mV. I tried the sample code cut from Motora SDK ...

I'm having problem with DSP56F805 board from NewMicro as A/D too noisy about 100 mV. I tried the sample code cut from Motora SDK documents without changing clock divisor from default 1 to 3 . My questions are : 1. Did I blew the A/D in chip by overclocking it ? 2.


TimerOnCompare Interupt and Count until compare differ by one

Started by drexlmeier in Freescale DSPs17 years ago

Hi everybody, in my aplikation i have combined 2 Timers in the following manner: (Im Using DSP56F805,SDK and Codewarrior) ...

Hi everybody, in my aplikation i have combined 2 Timers in the following manner: (Im Using DSP56F805,SDK and Codewarrior) TimerB0 is in GatedCountMode and counts with IPbusfrequency upto compvalue of 100(6 for faster pulsing) and toggles its output on compare. Its second


DSP56F805 PRAM

Started by yurubutugralb in Freescale DSPs16 years ago 1 reply

Making a Bootloader (that must not use interrupts). Trying to write to PFIU from code resident in PRAM. When run...

Making a Bootloader (that must not use interrupts). Trying to write to PFIU from code resident in PRAM. When run full-mode, outside the IDE, the code in PRAM is not being jumped to. When in IDE, all OK. (CodeWarrior 5.1 non-SDK, no libs, straight C


SPI between DSP56F801 and DSP56F805

Started by grdeathsa in Freescale DSPs18 years ago 5 replies

I set up two evalution boards of motorola one with DSP801 and the other DSP805 witch is the master the other the slave. But the...

I set up two evalution boards of motorola one with DSP801 and the other DSP805 witch is the master the other the slave. But the two boards do not what to communicate seems that the data is going out correctly but the 801 seems to start putting the data in at the wrong clock cycle. I


ADC sync with PWM

Started by Bruno Tremblay in Freescale DSPs18 years ago 1 reply

Hi, I'm trying to use the synchronization feature of the ADC with PWM on a DSP56F805 and I don't find user manual clear on this...

Hi, I'm trying to use the synchronization feature of the ADC with PWM on a DSP56F805 and I don't find user manual clear on this subject. Form what I can understand, the PWM outputs a synchronization pulse connected as an input to the quad timer module C, input of TC2 at each r


debugging

Started by mvl818 in Freescale DSPs17 years ago 3 replies

Hi, I'm new to dsp programming. I am using assembly language to program a dsp56f805 evaluation board to control 2 servo...

Hi, I'm new to dsp programming. I am using assembly language to program a dsp56f805 evaluation board to control 2 servo motors. I set up the SPI registers in a small test program, but can't get any output on the mosi or spclk pins. Are there assembly


64 bit integer support

Started by Anonymous in Freescale DSPs18 years ago 1 reply

Hallo everyone. Are 64bit integer math operations support in CW4.1 with DSP56F805? If yes, how can I enable it ? I've tried with...

Hallo everyone. Are 64bit integer math operations support in CW4.1 with DSP56F805? If yes, how can I enable it ? I've tried with "#pragma longlong on" but it seems not work. Thanks Marco


ADC fix for 56F805DSPEVM?

Started by millindala in Freescale DSPs16 years ago

Hi, I have observed the ADC fix for 56F827 EVM board in the photos section of this group. Does anybody have a similar...

Hi, I have observed the ADC fix for 56F827 EVM board in the photos section of this group. Does anybody have a similar solution to the DSP56F805 EVM board. If so, kindly add the photo in the photos section. Thanks, mahesh


case statements

Started by softoe in Freescale DSPs18 years ago 9 replies

I am using Codewarrior 4.1 for the DSP56F805. I am experiencing strange problems in a switch/case statement. Note in the code...

I am using Codewarrior 4.1 for the DSP56F805. I am experiencing strange problems in a switch/case statement. Note in the code snippet below the last two cases are commented out; if I uncomment one or both of them, it compiles fine but then the switch no longer works, i.e. execution n


JTAG "Cannot connect to Board"

Started by yurubutugralb in Freescale DSPs15 years ago 2 replies

Hello all, Using CodeWarrior? Development Studio for Motorola DSP56800 version 5.1 targeting the DSP56F805 chip and using Macraigor...

Hello all, Using CodeWarrior? Development Studio for Motorola DSP56800 version 5.1 targeting the DSP56F805 chip and using Macraigor Wiggler for JTAG. I can download to the EVM but not to my project board. Something changed because I used to be able to do both. Please point me to what levels, waveforms to look for in troubleshooting.


SDK default CPU clock rate, DSP56F80x

Started by Roger Flor in Freescale DSPs18 years ago 4 replies

Hello! I am using a DSP56F805 EVM. Page 3-47 of the Embedded SDK Targeting Motorola DSP56F80x Platform manual says that...

Hello! I am using a DSP56F805 EVM. Page 3-47 of the Embedded SDK Targeting Motorola DSP56F80x Platform manual says that the default SDK setting for the CPU clock is 72MHz. Is there any special reason for this? Why not 80MHz? Is there anything I should be aware of


How to make the application work without the help of debugger?

Started by Premkumar Chandramohan in Freescale DSPs17 years ago 1 reply

Hi everybody, I'm currently workin in development of a conrol system for BLDC motor using DSP56F805 processor. We're almost...

Hi everybody, I'm currently workin in development of a conrol system for BLDC motor using DSP56F805 processor. We're almost in the closing stage of the project. but still i didn't get any information about how to make the application boot from the processor......Still w


Code Behind App Note BR1553/D Virtual I2C Bus Peripheral on DSP56 F8xx

Started by Shah, Raj in Freescale DSPs18 years ago

Hello, Has anyone seen the Motorola Virtual I2C interface functions posted? I need the DSP56F805 to be a fairly high...

Hello, Has anyone seen the Motorola Virtual I2C interface functions posted? I need the DSP56F805 to be a fairly high performance I2C slave with functions that include firmware download. Should I go with something like Philips P82B96 to make sure I g


Looking for a DSP56F805 EVM for senior design project

Started by dperlm22 in Freescale DSPs17 years ago

I am an EE student and I'm trying to get ahold of an evaluation board for the 56805 DSP processor to use for my senior design...

I am an EE student and I'm trying to get ahold of an evaluation board for the 56805 DSP processor to use for my senior design project. The motorola website lists the price at almost $300 which I frankly can't afford. Please contact me directly if you are willing to lend it to me for


Problem with SDK and DSP56F805

Started by georman Calderon in Freescale DSPs17 years ago

Hi everyone, I?ve worked with a DSP56F803, but i?ve had problem with the decoder, to make the mesurement of speed. so a made a...

Hi everyone, I?ve worked with a DSP56F803, but i?ve had problem with the decoder, to make the mesurement of speed. so a made a change to a DSP 56F805, but when a make a compile a  elemental program, i have the following errorCan't write link map ""


ADC on 56f805 shift right error

Started by lau_i11 in Freescale DSPs14 years ago 1 reply

Hy everybody I am a student in electrical engineering.This summer I will finish my university an i have to prepare a final project on a...

Hy everybody I am a student in electrical engineering.This summer I will finish my university an i have to prepare a final project on a DSP56f805.I am using the ADC ,but i have a litle problem> for this simple code,Code Warrior give's me 1 error.Does somebody know what sould i do? opcode: #include #include int main(void) { int k,k0; /*Setarea placii Motoro


How to use the two compare registers at same time?

Started by zhgmouser in Freescale DSPs16 years ago

hello, everybody. I have a question about compare registers of DSP56F805. There are four Quad Timers with four channels. Each...

hello, everybody. I have a question about compare registers of DSP56F805. There are four Quad Timers with four channels. Each Timer has two compare registers. The method that The dual Compare registers (CMP1 & CMP2) provide a bi-directional modulo count capability was intr