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Forum Posts

L1 low power, not always the same consumption

Posted on October 25, 2016 at 18:06 Hi, In my quest of low power, I'm not that far from my needs but there's still something I don't understand: RTC is clocked by LSI, while SYSclock is clocked by HSI. __HAL_RTC_CL...

JulienD by Senior
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Where to get CoIDE

Posted on October 22, 2016 at 20:25It's strange but http://www.coocox.org/ do not work. Maybe there is a site from which this distribution can be downloaded? Besides http://www.coocox.org/. Thanks.

anton23 by Associate II
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HAL_TIM_PWM_Stop leaves output pin in undefined state

Posted on October 18, 2016 at 02:28I'm trying to start/stop a PWM signal to an LED (simple test!!). Using HAL_TIM_PWM_Start() starts the PWM output, HAL_TIM_PWM_Stop() stops the PWM but leaves the output in a random state rather than the (expected) ...

I2S full duplex?

Posted on October 25, 2016 at 18:12Hi, I was trying to attach a AK4554 codec to a STM32F091CB using the SPI/I2S interface when I discovered it is half duplex only. I don't want to change to an F4 with an SAI interface if I can help it, as it is over...

STM32L4 STM32Cube 4.14 SDMMC FATFS DMA TX RX hang

Posted on June 12, 2016 at 10:04Hi.FATFS with polling mode is OK(Except TX uderrun error when interrupt).When using DMA, FATFS works OK with TX DMA only. (DMA interrupt priority should be lower than SD interrupt).FATS works OK with RX DMA only.But w...

isjeon by Associate II
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CubeMx generates unfunctionnal code with lib 1.5

Posted on April 24, 2016 at 18:02 Hi, Here's some code generated with cubeMx: RCC_OscInitTypeDef RCC_OscInitStruct; RCC_ClkInitTypeDef RCC_ClkInitStruct; RCC_PeriphCLKInitTypeDef PeriphClkInit; __HAL_RCC_PWR_CLK_ENABLE(); __HA...

JulienD by Senior
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  • 5 replies
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c code

Posted on October 23, 2016 at 02:16Hello folks, Would anyone know why this does NOT work  while (DMA1->ISR & DMA_ISR_TCIF1==0);    //wait until transfer complete but this WORKs     tc_flag=DMA1->ISR & DMA_ISR_TCIF1; //save transfer complete flag   ...