STM32 MCUs products

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FAT mounting order

Posted on February 10, 2015 at 12:04Does anyone know if it matters what order you mount FAT volumes in? I'm using fatfs and I have 3 volumes, this code mounts fine:res = f_mount(&fatfs[SD],''0:'', 1);but if I redefine SD to 2, and useres = f_mount(&...

STM32f2xx SWD programmer problem

Posted on February 09, 2015 at 16:34 Hi at all,I would try to program a custom made board with STM32f205RCT7 micro onboard via SWD .I got an SWD connector with vdd,gnd,swdio,swclk,nrst.No pull up or pull down on swdio pin , 10k ohm pull up on nrst a...

andreima by Associate
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  • 3 replies
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How to preset toggling timer outputs

Posted on February 09, 2015 at 15:06Hello to all, I use a TIM8 of a STM32F2xx to generate a quadrature signal. This works fine no problem with toggling mode. I send a sequence of pulses out of the OC-Outputs. (a speed ramp). When the sequence is ove...

andywild2 by Associate III
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  • 3 replies
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RTC out in the STM32L151UC

Posted on February 10, 2015 at 04:09Hello,I'm using the STM32L151UC and set the RTC clock with 32.768KHz.Can we generate the 64Hz out from RTC_OUT on PC13? #stm32l151 #rtc_out

TIM1 CCR3 Register Problem? STM32F429

Posted on February 06, 2015 at 17:29Can someone explain why the following code causes CCR1, CCR2 and CCR3 to have the same value: TIM1->CCR1=value1; TIM1->CCR2=value2; TIM1->CCR3=value3; While the following code doesn't cause this problem (CCR1 and ...

lk1991 by Associate II
  • 398 Views
  • 9 replies
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STM32 F2 series VCP issue

Posted on February 09, 2015 at 04:49Dear all sir: I'm working on STM32_USB-HOST-Device-LibV2.1.0 USB_Device_Examples VCP. This demo code try to send  & receive serial data from PC through USB cable and transfer to serial port. Now the I down load th...

lstfazz by Associate II
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  • 2 replies
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STM32F4Discovery - keil

Posted on February 10, 2015 at 00:56Hello I am a starter and i would like to know if anone as some basic example to ativate a led, depending on a timer. Thanks #stm32f4-timer-led-keil

CAN bus on STM32F103: how to begin

Posted on November 25, 2014 at 23:48Hi everybody, these days I'm starting a project based on STM32F103RE uC for which I have to use the CAN bus pheripheral to transmit and receive messages.I have no previous experience with CAN pheripheral on STM32 ...

emilio by Associate II
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  • 6 replies
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Basic CAN bus transmit

Posted on February 09, 2015 at 00:59I am new to the CAN bus and have spent the last few days looking over code examples and searching the web for tips and I'm using the STM32303C-EVAL board. I'm just trying to get transmit to work, so my question is...

dteal by Associate II
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  • 1 replies
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STM32F4-Discovery SPI LIS3DSH

Posted on February 09, 2015 at 04:16 Hi all, I was able to use the code below to init the SPI and read the values fromaccelerometer SPI_InitTypeDef SPI_InitTypeDefStruct; GPIO_InitTypeDef GPIO_InitTypeDefStruct; RCC_APB2PeriphClockCmd(...