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STM32L152C6 LSE RTC WakeUp

Posted on August 26, 2013 at 09:49 Hello. I'm trying to use the RTC WakeUp feature to as a countdown timer. I've tried the code from the StdLib examples: void RTC_Config( void ) { NVIC_InitTypeDef NVIC_InitStructure; EXTI_Ini...

kaloyan by • Associate III
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  • 4 replies
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STM32F407 TIM2_CH1_ETR

Posted on August 20, 2014 at 20:00Maybe this is explained somewhere in the RM, but because I didn't find the answer with a brief study I will try if the forum can help... So the question is about the alternate function pin named TIM2_CH1_ETR. I want...

ari239955 by • Associate II
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  • 3 replies
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PWMInput problem

Posted on August 19, 2014 at 02:26 Hi, I am trying to get the signal from a RC receiver (typical servo's signal) but i am not getting any reads even though the timer interrupt is working. PWMI - PB10 -CH3 Signal: 50 HZ (Duty ...

jdpv by • Associate II
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  • 5 replies
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Uart vs Usart on DMA

Posted on August 20, 2014 at 18:25Hi, I'm complete noob with STM32 but starting to get the hang of things. I have problem that got me completly stumped now.  I have simple code that sends string over Uart4 . When using polling or _IT the string is ...

GPIO interrupt change other pin state

Posted on August 20, 2014 at 11:54 Hello, i am facing strange problem with STM32F4 I have +-10V power supply that is enabled with GPIOB Pin 2. When i start program, it will enable power supply, just like i declare in startup; GPIO_SetBits(GP...

USART Buffer: How can I set priorities?

Posted on August 19, 2014 at 18:04 Hello everybody! I coded a buffer for my USART output. This is how it looks like: #define FIFO_BUFFER_SIZE 64 #define BUFFER_MASK (FIFO_BUFFER_SIZE-1) typedef struct FifoStruct { volatile uin...

jean by • Senior
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TIMER WITH EXTERNAL CLOCK PIN STM32F429

Posted on August 20, 2014 at 14:14Hi!!!I would like to connect the GPIO A6 to the timer 13 as input capture and also to the timer 3 as external clock. I've tried to use the input connected only to timer 13 and it runs ( it reaches the interrupt rout...

gerson74 by • Associate II
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  • 1 replies
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STM32L152RE documentation and capture timer problem

Posted on August 19, 2014 at 19:55Hi,I am new with programming STM32 but I've experience with MSP430. I'm looking for information on setting timer / capture timer. TI has many user guide and complete datasheet explaining each register. I didn't find...

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