Rif: Re: Rif: Re: Rif: Bootloading through CAN bus

Started by Anonymous in Freescale DSPs16 years ago

Don't afraid. linker.cmd is simple. If you compare my file ahd original file you can see that I have done little changes. ...

Don't afraid. linker.cmd is simple. If you compare my file ahd original file you can see that I have done little changes. The line: .bflash_ext (RX) : ORIGIN = 0x7000, LENGTH = 0x0DFF # boot flash memory extension is to define the new segment in norm


Rif: Re: Rif: RE: Mathematical function long x long / long

Started by Anonymous in Freescale DSPs16 years ago 1 reply

In my example I explained only a part of formula. Maybe it's not clear. I repeat the example: D = A * B / C If: A =...

In my example I explained only a part of formula. Maybe it's not clear. I repeat the example: D = A * B / C If: A = 214751 B = 10000 C = 30000 then D must be 71583 !! In your formula when perform "A * (B % C)" you ov


Rif: RE: Protecting firmware in 5680x

Started by Anonymous in Freescale DSPs16 years ago 1 reply

Ok, I found another that using DS2432! Which is code size to decode DS2432 information ? P.S. DS2432 seems expensive (for my...

Ok, I found another that using DS2432! Which is code size to decode DS2432 information ? P.S. DS2432 seems expensive (for my applicaton) (around 3.9 euro). Regards, Giuliano Simon Lightbody


Rif: RE: Mathematical function long x long / long

Started by Anonymous in Freescale DSPs16 years ago 1 reply

It's simple to show that A * (B % C) can overflow! For example if : A = 214751 B = 10000 C = 30000 214751 *...

It's simple to show that A * (B % C) can overflow! For example if : A = 214751 B = 10000 C = 30000 214751 * 30000 = 0x1800134d0 Is it right ? Regards, Giuliano &quo


Rif: DSP56807 bootloader / S-Record number of lines

Started by Anonymous in Freescale DSPs16 years ago

To use own boot loader we post process the Codewarrior S file to remove S0 line and add a new S0 line with a global checksum...

To use own boot loader we post process the Codewarrior S file to remove S0 line and add a new S0 line with a global checksum information. Regards, Giuliano "t_karin1 < Per: om>"


Rif: RE: SCI with two stop bits, is possible ?

Started by Anonymous in Freescale DSPs16 years ago

Ok but after my test I can declare that is possible only receive data and not tx data (with two stop bits). Do you agree ? ...

Ok but after my test I can declare that is possible only receive data and not tx data (with two stop bits). Do you agree ? "Johnson, Jerry" , gs.com&g


Rif: 805 ADC current readings

Started by Anonymous in Freescale DSPs16 years ago

The array ResultReg contain the converted results from ADC channel scan that you have incude in the channel list register. For...

The array ResultReg contain the converted results from ADC channel scan that you have incude in the channel list register. For example if you want to get the ADC read of input AN0, AN1, AN5 you must include three samples in appconfig.h: #define INCLUDE_ADCA_SAMPLE_0 #def


Rif: RE: Program xFlash & interrupt problem

Started by Anonymous in Freescale DSPs16 years ago

Very interest discussion. Fortunately for this application I can disable all interrupts during flash erase&write (disabled for...

Very interest discussion. Fortunately for this application I can disable all interrupts during flash erase&write (disabled for 40msec!!!!! during page erase) . But I want see your code because the problem is hot. Could send me your applicaton file another time in ZIP format ? Th


Rif: Bootloading through CAN bus

Started by Anonymous in Freescale DSPs16 years ago

If you want you can increase boot sector size using normal internal flash sectors. Actual boot sector is not different from other...

If you want you can increase boot sector size using normal internal flash sectors. Actual boot sector is not different from other sectors, is only extern if you start in mode B so you can boot from an external memory. I have a boot loader that is 4Kword (2Kw boot sector + 2Kw of nor


Rif: RE: Maximun flash program word time in 5680x

Started by Anonymous in Freescale DSPs16 years ago

>It depends on how much data you need to save. The Page Erase time (page = 256 words) >is 20ms minimum, and the Mass...

>It depends on how much data you need to save. The Page Erase time (page = 256 words) >is 20ms minimum, and the Mass Erase (all Data Flash) time is 100ms minimum. Then you >have to program each word (20us minimum for each word). Ok,