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torsten · 2015-01-19

Posted on January 19, 2015 at 20:18Dear All,I am working on a project where I want to control a couple of motors via CAN (CANopen).The STM32F407 is connected via an USB-Serial converter (FT232RL, FTDI) to a PC.(USART1 with USART_InitStructure.USART_...

torsten · 2015-01-20

Posted on January 20, 2015 at 20:44Update: I have cut the baud rate in half, from 3072000 Bit/s down to 1536000 Bit/s. Because of the polling mode of USART-TX the CPU time consumption has increased from roundabout 40% up to 70%, but in general every...

torsten · 2015-01-20

Posted on January 20, 2015 at 15:40In addition:The ISR USART1_IRQHandler(void)is in an infinite loop:800 nanoseconds active200 nanoseconds inactive (TIMER 2 ISR !?)Is it possible to observe and control this interrupt within another, e.g. TIMER 2 ISR...

torsten · 2015-01-20

Posted on January 20, 2015 at 15:07To find out where in the code the crash occurs I used the following structure: volatile uint32_t tR = 0;volatile uint32_t t = 0;//---------------------------------------------int main(void){ while(1) { execFlag ...

torsten · 2015-01-20

Posted on January 20, 2015 at 11:58I am using CoIDE 1.7.6. The stack size seems to be defined in „startup_stm32f4xx.c“:/*----------Stack Configuration-----------------------------------------------*/#define STACK_SIZE 0x00001000 /*!< Stack size (in ...

torsten · 2015-01-19

Posted on January 20, 2015 at 08:44Hello Clive,at first thanks for your quick response.I am not an expert in microcontroller programming, especially if it is done near to the hardware.How can I check the hard fault handler?I assume there is a specia...

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Sometimes a crash in the main-loop occurs: STM32F407 with CAN, USART1 and TIMER2

Re: Sometimes a crash in the main-loop occurs: STM32F407 with CAN, USART1 and TIMER2

Re: Sometimes a crash in the main-loop occurs: STM32F407 with CAN, USART1 and TIMER2

Re: Sometimes a crash in the main-loop occurs: STM32F407 with CAN, USART1 and TIMER2

Re: Sometimes a crash in the main-loop occurs: STM32F407 with CAN, USART1 and TIMER2

Re: Sometimes a crash in the main-loop occurs: STM32F407 with CAN, USART1 and TIMER2