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HAL_UART_Transmit_DMA problem

Posted on February 06, 2017 at 14:22 I had problem for 'HAL_UART_Transmit_DMA', once I transmitted some data, I couldn't send any data after that. I used this function, 'HAL_UART_Transmit_DMA' in 'USART1_IRQHander'. (Because I should pars...

Heap size

Posted on January 11, 2017 at 11:32Hi,I'm working with a stm32f437VI. I need more heap memory. I changed the Heap size in de startup_stm32f427x.s (Heap_Size       EQU     0x00000200), but when I did a malloc and worked with the variable, and excepti...

cricart by Associate II
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How to send additional bit?

Posted on February 06, 2017 at 18:09Hello,I'm trying to implement a software that will allow me to send additional one pulse (on the data wire and clock wire). After one pulse I should send data (32 bits) over spi.Frame should look like:1 bit + 32 b...

John Doe1 by Associate III
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STM32F405 I2C lock if one clk pulse gets lost

Posted on February 08, 2017 at 13:19If the master sends the adress , but doesn't send the last clk pulse to receive the ACK from the slave, the slave will not release the SDA line. The problem is, that the ADDR-Flag only gets set AFTER the ACK was s...

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STM32F429i-DISCO with 512Mbx16b memory

Posted on February 06, 2017 at 12:34Hello, in my project i need to have more SDRAM than original 4M*16b.So i ordered 32M x 16b ISSI IS42S16320d-7TL that fit's inside the same footprint, and i soldered single jumper cable to PG2 as well as modified G...

Using TLC2543 ADC chip on STM32L476RG

Posted on February 08, 2017 at 11:33Hi allI followed the post below to setup tlc2543.http://blog.csdn.net/haozi_1989/article/details/6111776 datasheet http://www.ti.com/lit/ds/symlink/tlc2543-ep.pdf Because the STM32L4 series used HAL library not SP...