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STM32F2 (and F4) HAL SD/SDIO information missing

Posted on March 20, 2015 at 10:57Dears all, I'm looking for HAL SD (and SDIO, SDMMC) pdf description for STM32F2 but: No HAL description exist for STM32F2xx. In STM32F4 HAL description, no information about SD and SDMMC (and sdio). Could someone poi...

EXTI->PR Manual vs Snippets

Posted on October 22, 2015 at 21:54The STML0 (and L1) manual says following about the register EXTI_PR: ''1: The selected trigger request occurred. This bit is set when the selected edge event arrives on the interrupt line. This bit is cleared by wr...

skoe by Associate II
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sample code for STM32F411 accessing uSD card?

Posted on October 19, 2015 at 06:16 Accessing file in a uSD card should be pretty easy. STM32Cubemx can generate the code for you, however, I never succeed in accessing uSD with the code generated by cubemx. In my own board I have a ST...

rwmao by Senior
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External clock other than 8 MHz for STM324L Discovery

Posted on October 19, 2015 at 07:04Hi,We would like to use the STM32L4 Discovery board with an external clock other than 8 MHz.  SysClock = HSE.  We plan to do this by disconnecting MCO from the ST-Link STM32F PA8 pin.  Will we be able to continue t...

jp1 by Associate III
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stm32f407vgt6 with LCD 16x2!

Posted on October 22, 2015 at 17:56Hi everyone. I am working stm32f407vgt6 with LCD 16x2. I don't know write code how to it run. Can You hepl me? You can send me a project stm32f407vgt6 with LCD 16x2 by me email: huynguyen300495@gmail.com . Help me ...

Incorrect internal clock signal

Posted on October 22, 2015 at 15:17Hello !!! I would recover my internal clock signal (configure to 16MHz)  with  an oscilloscope when I switch a pin of my microcontroller the signal is only of 450khz. Could someone explain to me why I don't  exceed...

HAL_SPI_TransmitReceive_DMA into EXTI0 ISR

Posted on October 23, 2015 at 02:42 I have a SPI ADC conected to a STM32F4 I'm trying to use it with SPI DMA and DataReady signal with interrupt. This code works fine: while(1) { //PB0 = DRDY from ADC if ( (HAL_GPIO_ReadPin(GPIOB,...

SPI DMA with HAL (STM32F4Disco)

Posted on October 17, 2015 at 11:07 I am currently trying to make DMA periodically pull data from memory (array ''buffer'') and push it to spi. When I manually call the SPI_Transmit function, it transmits something, the clock line shows up on my...

Leonelf by Associate II
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STM32F3 I2C LSM303DLHC Hangs I2C_ISR_TC

Posted on October 22, 2015 at 21:55 Hi everyone. I must ask for help one more time. I've been tring do it on my own (using examples and my own functions), but nothing works. I'm want to read data from ACC, just one register, on my F3 disco...