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connection

Posted on November 22, 2013 at 15:45error fatal  can not connect to j link via usb

tifou by • Associate II
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stm32 I2s in slave mode Timing

Posted on November 22, 2013 at 11:57 The stm32 chip has a error for I2S in slave mode (stm32f40x Errata sheet 2.4.1). 2.4.1 In I2S slave mode, WS level must be set by the external master when enabling the I2S Description In slave mode, th...

STM32F101RD TIM5 Channel 3 PWM Output

Posted on November 21, 2013 at 21:05We are using the STM32F101RD component.  We've configured TIM5, channels 2, 3 and 4.  Channels 2 and 4 work as expected.  Channel 3 is always high (we have 10k pull ups on the line) and is never driven low by the ...

nick by • Associate
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  • 1 replies
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Is there a way to reset SPI RxFifo?

Posted on November 21, 2013 at 15:25Hi, I would like to ask if there is a way to clear the FRLVL and RXNE bits in SPIx->SR in order to ignore everything that has been received before. I have some routines that only send data and other that will als...

mmensch by • Associate II
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  • 3 replies
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hard fault handler

Posted on August 04, 2013 at 01:47hi,i am working on stm32f407. i am experiencing hard fault handler. start:{}timer();while(!one_second_timer){ /*my code*/}goto start;and the code for timer is void timer(void){ uint16_t PrescalerValue = 0; TIM_Cmd(T...

bilal by • Associate II
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STM32F205 __disable_irq() undefined symbol Keil ARM

Posted on November 20, 2013 at 08:43Hi. I want to disable all interrupts in my STM32F205  and I use macro __disable_irq() in core_cmFunc.h. I verified that this instructions works fine, but in ARM Keil IDE, if I select ''Go to definition of __disab...

giovanni by • Associate
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Bug in USB library v4.0.0 usb_prop.c

Posted on November 21, 2013 at 01:28 I've come across an issue in usb_prop.c in the STM32 USB library examples. The _GetStringDescriptor function checks for the index of the Descriptor string, but allows an index of up to 4. There are actually o...

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