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Posted on May 25, 2017 at 13:43Hi I use DMA to send and receive characters with USART in STM32F405.The characters that will be sent have the unknown length.so when i receive characters i should know How many characters have been received andshould r...
Posted on May 11, 2017 at 17:43I am trying to implement '2.2.2 Method2: Using the system timer and USART receive interrupts' from the following document on an F767ZI Nucleo board.http://www.st.com/content/ccc/resource/technical/document/application...
Posted on September 01, 2015 at 09:32 Hi everybody, I am using several flavours of STM32: STM32F407, STM32F030, STM32F071, STM32F303 (soon). Concerning UART, I want to set up a protocol using variable-length messages. In order to minim...
Posted on November 28, 2016 at 05:39I am having difficulty getting an equivalent ADC accuracy to my old 8 bit uC with 10 bit ADCs. I am looking to see if anyone can explain why changing the ADC clock cycles affects the ADC accuracy. I would expect l...
Posted on May 24, 2017 at 03:40Hi, all- I developed a specific bootloader based on application note AN4045 and FreeRTOS application.- I am uisng STM32Cube_FW_F3_V1.2.0, STM32F303xC and IAR ver. 7.40.- My problem is that the data memory size of the F...
Posted on May 11, 2017 at 21:37Hello Guys,I need your expertise here. Having a problem with current draw in Standby mode ( STM32F091).I developed custom board with some external components like Accelerometer, Pressure sensor, temperature sensor, RF ...
Posted on May 25, 2017 at 15:47Hello all,I have problems with Message Queue in CMSIS-RTOS. I have following codefor putting C structures onto the Message QueueBOOL put_program_chunk(main_controller_req_t req){main_controller_req_t *p_req;BOOL retval...
Posted on May 24, 2017 at 18:59Hi,I'm using an STM32F446.I use the circular DMA feature with a DAC output to generate a sinus waveform.My sinus buffer has 32 values.What I would like to do is :- run the DMA for a 'large' amount of time- be able to s...
Posted on May 24, 2017 at 14:37Hey guys,I'm using a serial terminal to communicate with USART3 on an STM32F1 via an FTDI USB-UART converter cable. I am successfully receiving data from USART3 in my serial terminal but when I try to send data to it t...
Posted on May 24, 2017 at 18:24For my design i am already using STM32F429BI--LQFP208 package, Now i am looking to replace this with STM32F777BI-LQFP208, both are pin compatible..Question: In the data sheet of STM32F777BI Its mentioned that GPIO'S=15...
