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Posted on August 04, 2017 at 15:16hi,i have STM32F401 with uart1 configurate in DMA and i would like to add uart2 (in DMA or not)is it possible to do it?how i manage the IT flag?UART1 DMA, call fct :void HAL_UART_TxCpltCallback(UART_HandleTypeDef *U...
Posted on December 26, 2016 at 10:31 Hi all; I try to send by CAN bus to 4 individual motor controllers their pwm speed settings in one go. I found out however, that the first three messages go through perfectly, but the forth message got stuck. ...
Posted on January 27, 2017 at 20:06I have been thrust into a situation where I realize I am in over my head. Eventually I think I will figure it out but could use a leg up with this STM32F437 device. I know little about it and especially it’s dma.Th...
Posted on October 03, 2017 at 20:25Hello, fellow developersI am using STM32F4 Discovery board with OV9655 camera module. I use the sample codes given and everything works all right. Right now, I am going to tune the qualities of the camera images, s...
Posted on October 06, 2017 at 06:57Hello,When I enable PCROP for an area of Flash by Option byte, Debugger does not work.It seems that Debugger has hanged up.I use IAR EWARM as IDE.Is it PCROP's specification that Debug is NOT possible when PCROP is...
Posted on October 05, 2017 at 15:38Hi all,I am using STM32F407VET6 with 25MHz crystal by STM32Cube_FW_F4_V1.16. I have changed HSE_VALUE to 25000000 in system_stm32f4xx.c and RCC_OscInitStruct.PLL.PLLM = 25 in SystemClock_Config main.c, but I found ...
Posted on September 26, 2017 at 13:32Hi. Can someone please help me see where I am going wrong? The program will transmit the UART message but crashes when it gets to the 'HAL_UART_Receive' function. I am using the STM32F746 Discovery Board.UART_Han...
Posted on April 18, 2017 at 14:45In order to configure UART interrupt receive, I put HAL_UART_Receive_IT function in HAL_UART_RxCpltCallback.but it doesnt work. below is my callback code.void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart){ uint8...
Posted on October 07, 2017 at 09:24Hi!I'm using the USART protocol (AN3155) to write my program into the flash of my STM32F107.(Start address 0x08000000) After all bytes have been written to the memory I execute a GO Command to the Start address.Res...
Posted on October 07, 2017 at 14:12Hi,I'm learning about stm32 MCU handling. stm32f0-discovery platform with stm32f072rb MCU.I have a questions about DMA.1. How to modify transfer direction? I try to modify DIR bit in CCMR1, but setting is rejected....
