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Spurious EXTIO ISR (I cant Understand Why)

Posted on February 10, 2013 at 14:07Hello, I am relatively New to ARM Cortex Microcontroller but with experience in Microchip 8Bit to 32bits Microcontrollers. I am having a serous issue with configuring the external Interrupt of STM32F103RB. I want ...

PWM Interrupts (help me!)

Posted on January 31, 2013 at 14:11Hi I am a power electronics engineer and I have been using the STM32F4 to develop AC motor drives and its great I am now working on an application with space vector modulation and I have ran into a difficulty which...

jlamb by • Associate II
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RX and reTX from USART1 with dma (Stm32f100B)

Posted on February 07, 2013 at 01:53Hi,excuse me for my bad english,I'm new in the microcontrollers field, so I've some uncertainty on the use of the dma to read and write from USART. At the moment I'm interfacing the stm32f100B with a medical modul...

Output Compare & DMA

Posted on February 09, 2013 at 16:40Hi, I work with STM32F0. I want use Output compare (PA2) TIM2_CH3 for manchester encoder. I like use DMA for this. The F0 have a DMA for Output Compare ?

stm32 rand() problem

Posted on August 24, 2012 at 16:23hi i have a problem with the stm32w  mb851a i would generate a random number. i have try to use the function rand() and I include header filebut when i execute the program it jump at void __attribute__ ((weak)) Defa...

lucabe90 by • Associate II
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Quick STREX question

Posted on February 08, 2013 at 17:34 Hi, I have a quick quiestion: my toolchain complains that instruction strexb r2, r2, [r3] is illegal (registers may not be the same), while strex r2, r2, [r0] is fine. The qu...

dginsburg by • Associate II
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  • 3 replies
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Encoder Read And Index Pulses

Posted on February 06, 2013 at 15:43Im using a quadrature encoder hooked up to TIM3-CH1/2 and it works fine, counting both edges, up and down. First question is how to read the TIM3-counter values from within a regular (50 us) ISR. Using TIM_GetCoun...

Has already been declared in current scope : ERROR

Posted on February 08, 2013 at 14:22In pal.h{............................................typedef enum   {    PAL_IOLSTATE_NOREQUEST,    PAL_IOLSTATE_ACTIVE_REQUEST,    PAL_IOLSTATE_APP_ACTIVE} pal_RequestState_t;extern pal_RequestState_t pal_eReques...

kunal5959 by • Associate II
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