STM32 MCUs Products

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Issues with interrupt driven SPI DMA Rx

Posted on May 05, 2016 at 23:59 Hi, I'm trying to get an STM32F0 read incoming data packets as a SPI slave using the DMA. I've been reading the DataExchangeDMA peripheral example code and trying to convert some of it to an interrupt driven model...

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banks2 by Associate
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AN2606 System memory boot mode - Jumping to bootloader

Posted on May 05, 2016 at 17:39I am using a stm32f4discovery. When SB18 is removed (underside) to make boot0=1, to boot from system-bootloader, my windows7 sucessfully detects the USB DFU interface (it appears in Device manager in the ''Universal Se...

STM32F072 - Encoder, get velocity

Posted on May 06, 2016 at 15:21Hello,I have configured the encoder and it is working. Now I want to get the velocity so I need to configure another timer and capture the time of a encoder pulse. I can do this by software on interruptions but there i...

ee06091 by Associate III
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STM32 HAL CAN Tx Mailboxes

Posted on May 05, 2016 at 23:17Hi,I'm working on a project that uses the STM32 HAL drivers, and in particular the CAN driver in interrupt mode. I understand that the STM32F407xx microcontroller has three CAN transmit mailboxes, allowing users to ''e...

snavonne by Associate
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USART2 Only Receives While Stepping in Debugger

Posted on May 06, 2016 at 00:01Hi, Set up on USART2 on STM32F4 Discovery board. Using PA2, PA3. I'm using Teraterm with a USB to serial adapter at 115200. After configuration, I send a string from the STM32F4 (''Hello\r'') which I see on the termina...

STM32 and STMPE1801

Posted on May 05, 2016 at 21:50 Hello. I try to set up STMPE, using the bus I2C. I need to control a LED, and the high level on GPIO5 pin is for this purpose necessary. I do setup here so: data_i2c[0] = CHIP_ID_REG; ...

mak1308 by Associate III
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STM32L052 StopMode high current

Posted on May 05, 2016 at 19:50Hi! I am using example from CubeMX FW L0 version 1.5.0 PWR/STOP MODE with RTC. I have STM32L052K8 revision Y. Current RUN/STOP = 11/6 mA (!). Where is uA??? I do'nt know. In readme file this example for: ''This example...

Undefined refference arm_math.h functions

Posted on May 05, 2016 at 15:46Hello there, I am trying to use some functions from the arm_math.h library. The problem I am getting undefined reference to them. The compiler sees the structs from arm_math.h correctly though. I dont know what is the ...

stm32f4Discovery Fat_Fs problem

Posted on May 05, 2016 at 13:21 Could anyone help me with the fat fs and f_unlink function ? I have created a project in STM32CubeMX (version 4.0), then generated C code and MDK-ARM project. The project is in attachment. I ...