case statements

Started by softoe in Freescale DSPs17 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


SPI between DSP56F801 and DSP56F805

Started by grdeathsa in Freescale DSPs17 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


debugging

Started by mvl818 in Freescale DSPs16 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


DSP56F805 ADC Highlimit

Started by drexlmeier in Freescale DSPs16 years ago

Hi, does anybody know where I can find information about the ADC Highlimit interupt.(LowLimit/ZeroCorssing resp.) I?m...

Hi, does anybody know where I can find information about the ADC Highlimit interupt.(LowLimit/ZeroCorssing resp.) I?m interested in general infromation like: How do I have to Configure the ADC. When does the interrupt occure? Which values are compared with the Limit Regi


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

Started by Premkumar Chandramohan in Freescale DSPs16 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


TimerOnCompare Interupt and Count until compare differ by one

Started by drexlmeier in Freescale DSPs16 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


ADC Clock divisor

Started by kj831ca in Freescale DSPs16 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.


DSP56F805 PRAM

Started by yurubutugralb in Freescale DSPs15 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


Looking for a DSP56F805 EVM for senior design project

Started by dperlm22 in Freescale DSPs16 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


ADC sync to PWM

Started by jongsooatyh in Freescale DSPs16 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


s-record file of serial bootloader

Started by Pete Gray in Freescale DSPs17 years ago

If anyone has the s-record file of Motorola's serial bootloader for the DSP56F805, could you please post it? Or if you know where I...

If anyone has the s-record file of Motorola's serial bootloader for the DSP56F805, could you please post it? Or if you know where I can find it online, let me know? TIA, -Pete.


#pragma interrupt

Started by Roger Flor in Freescale DSPs17 years ago 1 reply

Hello! I have a question on #pragma interrupt In the Isr_led example for the DSP56F805, all the #pragma interrupt ...

Hello! I have a question on #pragma interrupt In the Isr_led example for the DSP56F805, all the #pragma interrupt directives (#pragma interrupt, pragma interrupt called, #pragma interrupt saveall) were written outside of functions (just before the function


How to use the two compare registers at same time?

Started by zhgmouser in Freescale DSPs15 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


ADC signal noise in EVB

Started by Anonymous in Freescale DSPs17 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


URGENT HElP - Flashing my program

Started by nnikhilin in Freescale DSPs15 years ago 2 replies

Hello, I have a program written to run on motorola DSP56f805. I use CodeWarrior V.5.1279 My program works perferctly...

Hello, I have a program written to run on motorola DSP56f805. I use CodeWarrior V.5.1279 My program works perferctly why I download it from CodeWarrior. But does not get burnt into the program memory. After download on power down and power up the program do


DSP56000 S/W Dev Tools

Started by Gregory W.Sampson Sr. in Freescale DSPs19 years ago

Does the Suite56 DSP56000 S/W Dev Toolset support the new DSP56F805? And if so, how? greg sampson -- Competitive...

Does the Suite56 DSP56000 S/W Dev Toolset support the new DSP56F805? And if so, how? greg sampson -- Competitive Research Science Inc. 265 West Hwy 54 Suite 119PMB Durham, NC 27713 919.540.6749 (tel) 919.484.1110 (fax)


Problem with SDK and DSP56F805

Started by georman Calderon in Freescale DSPs16 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 ""


question about compare registers

Started by in Freescale DSPs15 years ago

hi, everybody I have a question about compare registers. The dsp 56805 has two compare registers. How to use these two registers...

hi, everybody I have a question about compare registers. The dsp 56805 has two compare registers. How to use these two registers at same time? The dual Compare registers (CMP1 & CMP2) provide a bi-directional modulo count capability is introduced in the DSP56F805's guide. H


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

Started by Shah, Raj in Freescale DSPs17 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


ADC sync with PWM

Started by Bruno Tremblay in Freescale DSPs17 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