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STM32F746 ADC1 and temperature sensor

Posted on December 01, 2015 at 01:07Hi all, I am writing an application using the stm32cubef7 where I need to sample the temperature sensor channel of ADC1. According to the STM32F746 reference manual the temperature sensor is on channel 18 of ADC1,...

STM32F051R8 SPIx->DR data in high byte

Posted on December 01, 2015 at 01:35I have set the data size to 8 bits for SPI on SPI1 using the pins PB3,4,5, PA15. I see 8 bits of data on the MOSI line corresponding to the 8 bits I put into SPI1-DR. But on the rx side I see the 8 rx bits in SPI-...

rlegault by Associate II
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Periodic wakeup interrupt does not raise

Posted on November 12, 2014 at 10:33 Hi at all, I'm working on an stm32f4 trying to use the RTC periodic interrupt but it doesn't work; I'm using an RTC with a 768KHz external oscillator and a working frequency of 1Hz. The RTC set-up is quit...

DUrbano by Associate III
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stm32f756 uclinux - system hang on init

Posted on November 30, 2015 at 13:53hello I make custom board with sdram and use stm32f756 chip. Then I try to run modyfied my self version of uclinux (and u-boot) - but system hangs. this is callstack that I build with 2 leds (early printk don't wo...

Ethernet packet lose then transmiting at high rate

Posted on November 30, 2015 at 14:24I observe ethernet packet lose then transmitting at high rate:  while (1)       {     while (1)     {       err = low_level_output( &gnetif, p);       if ( err != ERR_OK )         continue;       else         brea...

Andrew1 by Associate II
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CubeMx Bug in Stm32F0 ADC HAL

Posted on November 30, 2015 at 12:57CubeMx generates stm32f0xx_hal_adc_ex.h In that file in the implementation of macro ADC_CHANNEL_INTERNAL_PATH the returned value is either ADC_CCR_TSEN or ADC_CHANNEL_VREFINT. The second is probably wrong and shou...

YL by Associate II
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UART example in the STM32cube not working for me.

Posted on November 26, 2015 at 14:58Hello STM32 users,I've received the STM32F401RE board and am trying to run a test program on it. I downloaded uVision5 and the STM32Cube_FW_F4_V1.9.0 and opened the UART project that came with the package. The ''D...

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ckim by Associate II
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