STM32 MCUs Products

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STM32f4 runs but wont start after reset

Posted on June 24, 2013 at 18:01I have a project I have been working on and the coding has been fine up until now. When I upload the code it verifies and starts up without any problem. But If I reset the device (either by reset button or power cycle...

berge472 by Associate II
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STM32L152 USART_FLAG_RXNE not being set

Posted on July 24, 2012 at 17:32 Hey all, Got a small problem when interfacing with a UART based oLED display. The display returns 0x06 or 0x15 after it has received a command, I can see this happening on my O-Scope and I have confir...

stm32f2xx USB potential bug

Posted on June 21, 2013 at 13:59 search for CBW_CB_LENGTH typedef union _USBH_CBW_Block {   struct __CBW   {     uint32_t CBWSignature;     uint32_t CBWTag;     uint32_t CBWTransferLength;     uint8_t CBWFlags;     uint8_t CBWLUN;     uint8_t CBWLe...

dcurran2 by Associate II
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usart1 configuration

Posted on June 24, 2013 at 00:00 I wrote this program whitch send what it receive and each time it toggel the 4 leds in the board ! when i'm debugging the program don't catch the receive interruption ! #include ''stm32f4xx.h'' #inc...

IAR Linking problem

Posted on June 19, 2013 at 20:08hello i have a folder contains many projects and all of them goes to same library file , each projects work great , but when i copy the main code of one project to other i got the linking problem like that ''Error[Li0...

stm32f4 gpio speed

Posted on June 23, 2013 at 23:15in datasheet the maximum speed of gpio is 84mhz it means ( 168mbit ) because 1hz=2bit

jbl_raw by Associate II
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I2C3 configuration stm32F4Discovery

Posted on June 22, 2013 at 19:06 Hi everyone, I'm trying to configure I2C3 on the stm32f4 discovery board but i end up in the hard fault handler at I2C_Init. I am doing something weird i'm sure, any ideas? void I2C_Co...

pin mapping

Posted on June 23, 2013 at 14:16When I use the function ''GPIO_PinAFConfig'' in order to map pins to the device can I use any pins I want or I have to respect some roles ?