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Forum Posts

RTC - Timestamp when the RTC's power supply is VBAT.

Posted on December 03, 2013 at 17:51 Hi everyone, I am trying to figure out how make work the RTC timestamp feature when this peripheral is supplied by VBAT and when a Tamper detection occurs. And be sure about my RTC configuration...

spi receive data via dma

Posted on December 02, 2013 at 18:15i traied to recive data from another stm32f4 via SPI that's why i used the dma to receive data from SPI  GPIO_InitTypeDef  GPIO_InitStructure;uint16_t value;void init_SPI(void) { GPIO_InitTypeDef GPIO_InitStruct; ...

Definition of array in flash CoIDE (arm-none-eabi-gcc)

Posted on December 02, 2013 at 16:00 Hi there! I need to define array of fonts in flash. I'm using STM32F417VG MCU I define it as const u8 font1[] But compiler places it in RAM I've found a linker file that Coocox uses t...

M_1 by Associate II
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STM32F100 I2C problem

Posted on December 02, 2013 at 10:43HiI have a board with an STM32F100 microcontroller communicating with an LSM303DLM accelerometer/magnetometer and an L3G4200D gyroscope. I have managed to get the communications working but in order to do this I h...

STM32F215ZG with YAGARTO GNU ToolChain

Posted on November 30, 2013 at 02:08I am now working on STM32F215ZG with YAGARTO GNU Toolchain, the YAGARTO version is showed below: yagarto-bu-2.23.1_gcc-4.7.2-c-c++_nl-1.20.0_gdb-7.5.1_eabi_20121222; yagarto-tools-20121018-setup. the attachment is...

panpb by Associate
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Force OS to re-enumerate mass storage device

Posted on November 20, 2013 at 11:22Dear all,I am developing a mass storage device usinghttp://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/DM00037051.pdf. The number of drives must change dynamically based on a certai...

stm32f427 fmc or fsmc?

Posted on December 02, 2013 at 12:58Hi,I'm programming a STM32F427, so I'm searching between datasheet and libraries. I don't find answers anywhere, I don't understand if STM32F427 supports a flexible memory controller (FMC) or a static one (FSMC), ...

stefy_tp by Associate II
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New Raisonance Software Release for STM32

Posted on December 02, 2013 at 17:42For EvoPrimer, RLink, REva and Ride users, New Raisonance software tool set for ARM is available supporting the following new STM32 variants: STM32F401xB, STM32F401xCSTM32F030x4, STM32F030x6, STM32F030x8, STM32...

How to setup SPI interrupt on STM32F4 slave?

Posted on December 02, 2013 at 13:59Hi, can someone point me in the right direction/instructions/tutorials on how to setup an interrupt on a STM32F4 as a slave that would trigger when an STM32F4 master sends data?Do i just need to set up the NVIC on...

tmuyesmu by Associate II
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STM32F4 SPI Master-Slave Configuration

Posted on December 02, 2013 at 13:50 Hi, I'm trying to send data from one STM32F4 Discovery board to another via SPI in master-slave configuration. Looking at the reference manual it states that CPOL and CPHA bits to be configured the same as...

tmuyesmu by Associate II
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