STM32F0 RS422 RE and DE mapping
Posted on August 14, 2015 at 06:47I want to know how should i connect RE and DE pins to max485 via GPIO pin and how RE and DE pins are mapped to DB9 pin #stm32 #serial #rs485
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Forum Posts
Regarding GPIO Feature
Posted on November 23, 2014 at 14:05Hi, Ive been using several MCU before. Its my first time to use STMicro.Now Im currently studying its architecture.My question is, what is the use of GPIO BSRR (Bit Set Reset Register) when we can access or write ...
USART2 Switching TX and RX Pins
Posted on August 17, 2015 at 22:32Hi,I am currently working with an STMF103RB on a board I made. I am using the STMCube_FW_F1_V1.2.0 libraries. I am currently using USART2 to connect to a computer though an FTDI breakout board. Everything works fine...
STM32F10x StdPeriph SPI DMA ?
Posted on August 16, 2015 at 11:16Guys, I want to try the example from : STM32F10x_StdPeriph_Lib_V3.5.0\Project\STM32F10x_StdPeriph_Examples\SPI\DMA and I follow from readme.txt par How to use it ? In order to make the program work, you must do th...
STM32F429I-DISCO Board - Accessing Embedded SRAM & Data Transfer to PC
Posted on August 10, 2015 at 23:56Hello,Here is a problem I'm currently working on:Board: STM32F49I-DISCOVERYMicrocontroller: STM32F429ZIT6UGoal: Access embedded SRAM (112 KB, 16 KB, 64 KB) and transfer content of memory to PC. For e.g. I am sending...
Interfacing a CIS with STM32F
Posted on August 16, 2015 at 23:54Hello everyone,I have a project in which I am using a Contact Image Sensor. I receive an analog signal at 4 MHz which represents the color of a pixel. I have to transform it into a digital signal of 8 bits ( this re...
can i generate code by cubeMX without LIBRARY HAL
Posted on August 17, 2015 at 06:42 hi my friends , the HAL library is new for me and i can't to use it effect like as the old . so , i can use the CubeMX to generate without HAL thanks and best regards
System crash with all core registers value as 0xFFFFFFFF
Posted on August 17, 2015 at 08:59I have a system(freeRTOS) running well on stm32f401 platform. To reduce the PowerConsumption, i added a HAL_PWR_EnterSLEEPMode() into the void vApplicationIdleHook( void ). The system will crash in seconds with all ...
STM32F407 - Multi-ADC mode with DMA
Posted on January 09, 2014 at 15:19How is the DMA supposed to work with Triple-ADC Regulare mode? The documentation shows an ADC stream for each ADC, but it also seems to indicate that it will be working with a single DMA stream for this process. ...
STM32CubeMX 4.9.0 STM32F7 Clock Configuration CLK48 Clock Mux BUG?
Posted on August 02, 2015 at 19:48Hi,In setup for STM32F746G-DISCO, FW_F7 V1.1.0 In Clock Configuration, when selecting PLLSAIP @ CLK48 Clock Mux for USB,it generates codePeriphClkInitStruct.PLLSAI.PLLSAIP = RCC_PLLP_DIV4;which should bePeriphClkIni...
