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Forum Posts

SPI DMA data corruption

Posted on November 21, 2013 at 17:52Hi,I am using SPI2 with DMA1 on STM32F427 to communicate with an external processor. The problem is that when the data on MISO and MOSI pins (PB14 and PB15) are somehow corrupted i.e. the data comes out as shifted...

asecen89 by Associate II
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STM32F373 SDADC Gain Error Issue

Posted on October 23, 2013 at 21:20Using the 3 channels of the SDADC in Single Ended Zero Reference Mode, Gain 1, with a SDREF at 2.5V.  Spec lists gain error of -2.4% to -3.1%, but our devices appear to have a positive gain error of approx +2.8%.  ...

STM32F303CB ==> RCC_ADCCLKConfig

Posted on November 21, 2013 at 16:23Hello, I have a problem with the RCC_ADCCLKConfig, I want to change the  ADC frequency and I followed the example from st.    /* Configure the ADC clock */   RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div64);     /* Enable...

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...

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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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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  • 3 replies
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