STM32 MCUs Products

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STM32L152 Wrong ADC values

Posted on May 03, 2015 at 16:46Hello, I'm working on custom board using STM32L152 chip. Vref is : 3.19V When i injuct to the analog pin 2.7 i read 4019 ,while 0 represent as 650. (It seemed like 650 is the gap ????) below my initialize ADC code :///...

moran by Associate II
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FLASH program double word problem

Posted on May 03, 2015 at 01:46 Hello, I have strange problem with flash programming ''on the fly'' on STM32F411-Nucleo When I use FLASH_ProgramDoubleWord (STD drivers 1.5.0), programming does not work. I know, it says that volt...

tm3341 by Associate II
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Unable to see why I2C3 is not functioning?

Posted on May 03, 2015 at 00:30Hi, I have been looking at this for hours, but cannot determine why I cannot get the I2C3 operating, even getting a pulse from the SCK line. I am using an STM32F4 device, with an ST LIS3DML sensor. Both SCK and SDA are...

ADC Resolution Scale

Posted on May 02, 2015 at 15:29Hi All,I am using the ADC on the STM32F407VGE to detect water through an infrared sensor. I am getting a very small change between seeing the water and not. With the sensor clear there is 0.1 volts which reads around 1...

time return always the same value

Posted on May 01, 2015 at 15:48 hi my rtc is initialized i set date and time. long getUnixTimestamp() { struct tm timeinfo; //Setup a tm structure based on the RTC timeinfo.tm_wday = dateStruct.WeekDay; t...

STM32F1xx HAL I2C Generate Start Failure

Posted on May 01, 2015 at 08:45 Hello, I have not been able to successfully use the newSTM32F1xx HAL I2C on a STM32F103CB. The issue remains the same regardless of the method used (polling, Interrupt, or DMA). When attemptin...

k3nt00 by Associate II
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STM32F103RB code OK, STM32F103C8 not OK: alignment?

Posted on April 30, 2015 at 21:02I have two almost identical 72MHz boards which have code issues I suspect are related. I have DFU firmware that loads on to both boards, and both appear to the host as a USB DFU device. App firmware is loaded at 0x08...

stm32f4-discovery uart baudrate error !

Posted on May 01, 2015 at 09:29Hi all, I will configure HSE_VALUE = 8000000 and defined #define HSE_VALUE    ((uint32_t)8000000) #define PLL_M      8 #define PLL_Q      7 #define PLL_N      336 #define PLL_P      2 And I defined line option : -DH...

Detecting CAN transmit complete via interrupt

Posted on April 30, 2015 at 20:52Greetings,I'm trying to work out how to detect when a can transmit completes on an STM32F429. Theoretically I could poll using CAN_TransmitStatus to wait for the mailbox to transition to CAN_TxStatus_Ok (or CAN_TxSta...

malcolm23 by Associate III
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