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...
Forum Posts
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...
usart stm32f0
Posted on February 06, 2013 at 13:31 hello, i'm trying to connect my stm32f0 discovery with the pc and set up a uart connection. I have found the following code (in this community) but i can't get it to work. Does anyone have a suggestion...
STM32F103RB: Timer OC dropping overflow interrupts
Posted on February 04, 2013 at 04:05It appears the TIM4 OC interrupts on CH2 results in occasionally missing an Update (overflow) interrupt. The situation is a 1 PPS GPS pulse triggers the TIM4 CH1 input capture. The 16 bit counter time is extend...
Spirit
Posted on February 08, 2013 at 10:08Hi all, I'm still new in the ST environment, I'm trying to get a generic wireless m-bus example going with the STM32l152VBT6 board. For the moment it is still unsuccessful . When I debug my main program, I can see...
STM32F103RB says : USART1 RX versus DMA1_ch1, ready ? Fight !
Posted on February 08, 2013 at 00:09Hello everyone. A week ago, I fought with a STM32F103, trying to get it fill some random buffer with its DMA1_Channel1 controller from its USART1 Rx ''events''. But neither the recipient memory would get filled, ...
usb problem
Posted on February 05, 2013 at 14:06The original post was too long to process during our migration. Please click on the attachment to read the original post.
Unable to send data via UART Serial Link
Posted on February 07, 2013 at 05:12I am trying to send data to a PC COM port but cannot figure it outI configured GPIO, NVIC, and USART per specification and it all checks out. The strange thing is, when I connect the Tx pin and ground to oscillosc...
STM32F103ZC LQFP144 Programming Problem !
Posted on February 07, 2013 at 13:22Hi ,I have two development board which is the first have stm32f103vg LQFP100and second have stm32f103zc LQFP144 I can program LQFP100 model microcontroller using default SWD settings , but at the LQFP144 model i ...
