Problem with SPI in DSP 56F807.

Started by Iker Canales Goizueta in Freescale DSPs14 years ago 1 reply

Hi, everyone!. First of all I've gotta say that this is my first post in this interesting Motorola DSP Group, so I hope you will...

Hi, everyone!. First of all I've gotta say that this is my first post in this interesting Motorola DSP Group, so I hope you will understand and forgive me whether I'm asking a big nonsense. My problem is the following: I am trying to implement a SPI communication between a DSP 56F807 and a ColdFire MFC5272, configured as slave and master respe


setup SPI [DSP56803]

Started by Olamide... in Freescale DSPs16 years ago

Please i need help with SPI set up. I am grounding my SS pin (because DSP is a slave to a ST10 Micro MCU), but i am still getting...

Please i need help with SPI set up. I am grounding my SS pin (because DSP is a slave to a ST10 Micro MCU), but i am still getting garbage. The MCU currently sends me test data a 100 times, but i keep getting errors. I wrote error to check MODF and OVRF, and they both ge


Seek detailed reference for SPI

Started by Christopher Moore in Freescale DSPs16 years ago 5 replies

I believe Motorola initiated the SPI standard, but an Internet search fails to come up with a good reference, neither the...

I believe Motorola initiated the SPI standard, but an Internet search fails to come up with a good reference, neither the specification (or standard) itself nor a guide. For example, I found a reference to "Mode 0" but wonder what the other modes are like. Any pointe


SPI LCD module?

Started by Bende Georg in Freescale DSPs16 years ago 1 reply

Did anyone interface an LCD module with the SPI port of the 56F8xx successfully? What kind of LCD modules are compatible with it? ...

Did anyone interface an LCD module with the SPI port of the 56F8xx successfully? What kind of LCD modules are compatible with it? Georg Bende Softwareentwickler Abteilung Elektronik Dr. Fritz Faulhaber GmbH & Co KG Daimlerstr. 23 71101 Sch?naich Tel


SDK SPI compile error

Started by Corey, Rick in Freescale DSPs17 years ago 1 reply

Hi I'm trying to use the SDK to configure a 56F803 SPI peripheral. I start with #define INCLUDE_SPI in appconfig.h. (I already...

Hi I'm trying to use the SDK to configure a 56F803 SPI peripheral. I start with #define INCLUDE_SPI in appconfig.h. (I already have #define INCLUDE_IO.) As soon as I #define INCLUDE_SPI, I get the following compile error: (I'm using 5.0.4). I haven't written


56F807's SPI can't access X5043

Started by hao yuan in Freescale DSPs17 years ago 2 replies

Hi EVeryone! X5043 is Xicor's uP Supervisor with 4k bit EEprom. the interface of X5043 is SPI. But if you want to write ...

Hi EVeryone! X5043 is Xicor's uP Supervisor with 4k bit EEprom. the interface of X5043 is SPI. But if you want to write one byte to an address of X5043. You need first input the instruction(8 bits) then the Address ( 8 bits) and then the Data ( x bits). the 56f807


Board Crashes (SPI Problem)

Started by Olamide... in Freescale DSPs16 years ago 1 reply

My DSP5603 Board crashes anytime the master board sends it SPI data. The master board is a ST-10 Micro. It is giving out the...

My DSP5603 Board crashes anytime the master board sends it SPI data. The master board is a ST-10 Micro. It is giving out the data right, but my board just crashes when ever it recieves it. PLZ HELP...


SPI problem with DSP56F826EVM

Started by ltc2400 in Freescale DSPs17 years ago

Hello, I am a newcomer to the motorola chips. i have a DSP56F826EVM and am trying to get the SPI port to write. My code is based on...

Hello, I am a newcomer to the motorola chips. i have a DSP56F826EVM and am trying to get the SPI port to write. My code is based on an example (5.1) in the codewarrior documentation. #include "port.h" #include "io.h" #include "fcntl.h"


ADC converter on DSP56F805

Started by Roger Flor in Freescale DSPs17 years ago 1 reply

Hello! I am using a DSP56F805 EVM. I am trying to pass a signal through the on chip ADC then the DSP then on to the on chip SPI...

Hello! I am using a DSP56F805 EVM. I am trying to pass a signal through the on chip ADC then the DSP then on to the on chip SPI and external ADC (Maxim). I have already tackled the DSP to SPI to external ADC side (lots of thanks to Mr Art Johnson). I used the MISO signa


&ArchIO.Spi1.DataRxReg is always zero

Started by TA1T in Freescale DSPs16 years ago

Whenever i read from the SPI's &ArchIO.Spi1.DataRxReg, the value read is always zero. How could i get the register to change? Is...

Whenever i read from the SPI's &ArchIO.Spi1.DataRxReg, the value read is always zero. How could i get the register to change? Is it directly connected to the MOSI pin when the DSP is configured as a slave. When i input the SPI master signals i can view the signals g


SPI Problem in 56F805

Started by kj831ca in Freescale DSPs16 years ago 1 reply

Hi I wonder if anyone had the problem with SPI in slave mode like mine. I'm setting 56F805 in slave mode, 8 bits transmition....

Hi I wonder if anyone had the problem with SPI in slave mode like mine. I'm setting 56F805 in slave mode, 8 bits transmition. By using Oscilloscope to capture the signal from MISO pin compare to SCLK pin found that 56F805 shift data out on both rising and falling edge of


Compilation error for DSP56F803 (spiWrite)

Started by Rajarama Puranika in Freescale DSPs16 years ago 2 replies

Hi All, I am using Motorola SDK 3.0 version and CodeWarrior 5.1 version . In my project(for DSP56F803) if I include spi.h file...

Hi All, I am using Motorola SDK 3.0 version and CodeWarrior 5.1 version . In my project(for DSP56F803) if I include spi.h file (SpI libraries), during compilation it is giving error as follows: cannot convert 'unsigned int(*) (int, unsigned short * ,unsigned


Interfacing SPI to TMP122

Started by Hardeep in Freescale DSPs13 years ago 1 reply

Hi, I have a couple of questions related to interfacing the SPI module (DSP56858) to a temperature sensor (TMP122:...

Hi, I have a couple of questions related to interfacing the SPI module (DSP56858) to a temperature sensor (TMP122: http://focus.ti.com/lit/ds/symlink/tmp122.pdf ). The TMP122 has a single I/O line whereas the DSP uses two separate lines, MOSI and MISO. Please tell me if this is feasible to use with the DSP: Tying MOSI and MISO together and tri-stating MOSI each time I wanted to r...


SPI problems

Started by Santi Corera in Freescale DSPs17 years ago

I have read some posts with questions about the SPI in 56800 family and I am worried with this matter. I have made some...

I have read some posts with questions about the SPI in 56800 family and I am worried with this matter. I have made some tests with the DSP56F807 EVM and wath I have found


Question about SPI and PE

Started by in Freescale DSPs13 years ago 1 reply

Hi, I write again to ask you if you have an example about using PE to drive SCI. I was looking for in processor expert web site but I...

Hi, I write again to ask you if you have an example about using PE to drive SCI. I was looking for in processor expert web site but I couldn=92t find anythi= ng. Thanks =20 =20 Rodolfo =20 =20 =20 =20 =20


AD 7942 interface.

Started by Upendra Mahida in Freescale DSPs13 years ago

Hi All, If any one is having any algorithm or code for AD7942 to connect SPI interface with Motorola DSp. Please send me . Regards, ...

Hi All, If any one is having any algorithm or code for AD7942 to connect SPI interface with Motorola DSp. Please send me . Regards, Upendra


EVM for 56801 - where to buy?

Started by Stefan Stenzel in Freescale DSPs16 years ago 1 reply

Hello, Subject says it all, where can I get one of these in germany? Would also consider 803/805/807 types, I just need 6ch...

Hello, Subject says it all, where can I get one of these in germany? Would also consider 803/805/807 types, I just need 6ch ADC,SPI and some Flash. Thanks, Stefan


just starting

Started by reeseshad in Freescale DSPs15 years ago 1 reply

Hi, I'm just starting with the DSP56F827EVM, and I am wondering which development software should I start with the SDK or...

Hi, I'm just starting with the DSP56F827EVM, and I am wondering which development software should I start with the SDK or CodeWarrier? My overall goal is to read from the ADC channels and store the results on a SD card (external compactFlash) using SPI to


writing through spi to eeprom?

Started by bijantreister in Freescale DSPs17 years ago

I was wondering if anyone in this group has had experience in writing to EEPROMs from the 56807 (or other chip). I need to...

I was wondering if anyone in this group has had experience in writing to EEPROMs from the 56807 (or other chip). I need to program a Catalyst CAT25C64 without extranious calls to sdk functions. ie, should be able to be written in asm... Has anyone got any suggest


Re: &ArchIO.Spi1.DataRxReg is always zero

Started by titt...@fzi.de in Freescale DSPs14 years ago

what does the &ArchIO.Spi.ControlReg Register in the Slave. Is the SPRF Bit set when you Transmit from the master.

what does the &ArchIO.Spi.ControlReg Register in the Slave. Is the SPRF Bit set when you Transmit from the master.