Search found 15 matches

by kamil
Tue Oct 13, 2015 1:52 am
Forum: STM32 Support
Topic: Bootloader jump problem
Replies: 5
Views: 3968

Re: Bootloader jump problem

Well, I've found the problem.

I just run app2 using st-link and write the value of every control register and then run app2 from bootloader, and compare control register values with previous one.

Preblem is that when you run app2 form bootloader CONTROL register value is 0x0000006 (so it is fpu ...
by kamil
Mon Oct 12, 2015 8:11 am
Forum: STM32 Support
Topic: Bootloader jump problem
Replies: 5
Views: 3968

Re: Bootloader jump problem

Any ideas? Even most stupid?
I just don't know what to check next.
by kamil
Sun Oct 11, 2015 7:14 pm
Forum: STM32 Support
Topic: Bootloader jump problem
Replies: 5
Views: 3968

Re: Bootloader jump problem

Have you initialize the NVIC register that points to the vectors table? (VTOR) assuming the library code is supposed to do that, is it really initialized?

Giovanni

Yes, it was a first that I check. VECT_TAB_OFFSET definition is responsible for it:
/* Configure the Vector Table location add ...
by kamil
Sun Oct 11, 2015 6:47 pm
Forum: STM32 Support
Topic: Bootloader jump problem
Replies: 5
Views: 3968

Bootloader jump problem

I wrote and bootloader using Chibios 3.0.x and an application using Chibios 3.0.x too (app1) and everything works fine: bootloader flahses and jumps to application.
But now i have to flash apllication written using just CMSIS and some st libraries (app2) and I have a problem. Application flashes ...
by kamil
Mon Nov 10, 2014 11:21 pm
Forum: STM32 Support
Topic: ms6511 over spi
Replies: 1
Views: 1747

ms6511 over spi

I found some misunderstanding about SPI using.

I need to read some 16bit registers from MS5611:
http://zaripov.net/exch.png

If I try to read using non-blocking function:

txbuf[0] = MS5611_CMD_PROM_READ_C1;
txbuf[1] = 0x00;
rxbuf[0] = 0x00;
rxbuf[1&#93 ...
by kamil
Sun Oct 19, 2014 8:22 pm
Forum: General Support
Topic: Available bytes in serail over USB
Replies: 2
Views: 1962

Re: Available bytes in serail over USB

Yes, it is good solution.
Thanks for fast reply!
by kamil
Sun Oct 19, 2014 8:05 pm
Forum: General Support
Topic: Available bytes in serail over USB
Replies: 2
Views: 1962

Available bytes in serail over USB

Is it possible to know amount of available bytes in serail over usb? I can't find appropriate function to do this.
by kamil
Thu Oct 16, 2014 12:54 pm
Forum: STM32 Support
Topic: ChibiOS 3.0.0 and serial over usb
Replies: 14
Views: 9889

Re: ChibiOS 3.0.0 and serial over usb

Giovanni wrote:Which version of Keil? I am having problems with 5.10 using ST-Link too.

Giovanni


I have MDK-ARM ver 4.72.1.0

Before I didn't face with such problem. Only when include ChibiOS to my project I noticed it.
by kamil
Thu Oct 16, 2014 11:58 am
Forum: STM32 Support
Topic: ChibiOS 3.0.0 and serial over usb
Replies: 14
Views: 9889

Re: ChibiOS 3.0.0 and serial over usb

Problem is solved, everybody thanks for patience and help.

If someone is interesting, the problem is in the Keil or ST-Link I think. After compile and load program to the flash, program doesn't start or start incorrectly. If after loading program push reset button, everything inits and ...
by kamil
Wed Oct 15, 2014 12:18 pm
Forum: STM32 Support
Topic: ChibiOS 3.0.0 and serial over usb
Replies: 14
Views: 9889

Re: ChibiOS 3.0.0 and serial over usb

which board are you used for? If is STM32F4-Discovery must worked like a charm,
Lately i used some custom board STM32F407, and have some trouble with USB-CDC. After some search in google i found this topic, http://forum.chibios.org/phpbb/viewtopic.php?f=2&t=936
Yeah i Forgot to connect VBUS in my ...