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Posted on September 22, 2014 at 08:06Aim: Read 4 byte from MAX31855 (SPI readonly compatible) using SPI2 1wire bidirectional (using DMA) Code: (attached) Note: SPI_CR1_BIDIMODE bit set SO->MOSI DMA Channel4->RX Channel5->TX (though garbage ...
Posted on October 09, 2014 at 15:45Hi everyone, I'm working on an STM32F427 on a program with a huge linked list. I want to decrease the size of pointers used in this list in order to increase the number of elements in my ram. For instance, the memo...
Posted on September 22, 2014 at 16:48Hi.. In STM32F051R8 board, Iam using TIM3. I need to set timer interrupt for every every 10 seconds. Iam unable calculate the prescaler, CCR and time period values. Can any one explain me please...
Posted on October 09, 2014 at 00:36Using: Stm32F10x, F2xx, F4xxgcc-arm-none-eabi-4_8-2014q2 On my Stm32, I've running a spi slave and serving events (RX/TX) within an ISR. Slave select management is configured to hardware: ... spiInitStruc...
Posted on October 09, 2014 at 08:47Hi everyoneI was working with stm32f4discovery board.It was working fine and i was able to execute my programs without any difficulties.Now after some day I am working with the same board.But my stm board is not ev...
Posted on October 08, 2014 at 17:48 Hi, I'm using an stm32f401 mcu, mounted above Discovery platform, trying to understand how can I correctly use the standby low power mode; for this reason, I use the PA0 wake up to exit from this low power...
Posted on March 19, 2014 at 12:41In some peripheral some API is needed,for example API functions for read and write to a GPIO port is needed(write/read to/from all pins at one operation). another example in usart API functions, that for receiver ...
Posted on October 08, 2014 at 03:24Hi,Iam trying to use DSP lib on STM32F4 chip. I run the example project of FFT on CMSIS lib and it's ok:an float array ==> FFT ==> result it's ok.But I try on my board:Signal generator => external ADC => FFT on S...
Posted on September 12, 2014 at 04:32I have a STM32F2xx connected to FTDI UM232H using SPI communication, STM will configured as Slave and FTDI as Master, I will be using NVIDI have configured my SPI as below: 2 line duplex1 Mhz clockMSB8bitPhase ...
Posted on August 14, 2014 at 19:39 I have an SPI setup using DMA transfers that works for a while, and then reaches a point where the data that is passed to the DMA transfer is not what is sent over the SPI lines. Typically, I am able to success...
