STM32 MCUs Products

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Noob question on ports

Posted on October 04, 2015 at 15:19 Hi all, Just plunging in again to learn STM32/ARM coding, and have a GPIO issue (on a STM32L100C discovery board): Why does this work... GPIOC->MODER |= (GPIO_MODER_MODER8_0 | GPIO_MODER_M...

arm_dude by Associate II
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CAN Receive Error

Posted on March 30, 2018 at 10:25I'm working on STM32F412VET6 micro, & Configured CAN1 for communication & it is initialized as500Kbps, 75% Sample, ABP1 is @ 24MHzvoid CANInit(void){#ifdef LPBK_TEST CanTxMsg CanTxMsg; uint32_t uwCounter = 0; uint8_t...

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STM32L100-DISCO no COM port?

Posted on March 31, 2018 at 19:48Hi,I have an STM32L100-DISCO Board. I would like to askI have seen in the circuit diagram that the PA9 and PA10 Pins are connected to the USB to program the STM32L100 MCU. However, when I use the same PA9 and PA10 fo...

I2C same devices connected to MCU.

Posted on March 31, 2018 at 07:13I want to connect 2 i2c devices of the same type(having same i2c slave address) to my MCU if I want to communicate with those devices which device is responding to master. How should I differentiate those same device...

Resolved! Encoder mode and rotary encoders as tuning knobs

Posted on March 24, 2018 at 18:23I understand that a timer (that supports encoder mode) can be used for keeping track of a rotary incremental encoder, but is there a good way of making the value saturating? So that when turned 'forward' the value in...

Reading uSD Card

Posted on March 30, 2018 at 11:03Hello! I'm using an STM32F769I-Discovery board. I'm trying to read/write a text file on the uSD card. Since I'm a beginner I started with the example in STM32Cube\Repository\STM32Cube_FW_F7_V1.9.0 - Copia\Projects\ST...

Rick MC by Associate III
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Cube32 generates __RAMFUNC error

Posted on March 30, 2018 at 22:14I have compile problems with TrueStudio.  The code generated by Cube 32 gives an error (needs ',' etc) before the Flash memory routines.  I'm not using them that I know of, so it may be a setting I am not familiar wi...

STM32F7 Timer triggers Timer

Posted on October 14, 2017 at 17:55 Hi, i generated with CubeMX some code. I want that timer 2 is triggering timer 3. If an overflow on Timer 2 occurs Timer 3 should count up 1. I tried some configurations but nothing worked - no interrupt o...

Resolved! STM32F4 stops running at temperature

Posted on March 29, 2018 at 17:23I am using a STM32F429IG, but I am having some difficulties at elevated temperatures.  Much above 70 DegC the program just seems to stop.  I have decoded the internal temperature as well as using an external one, so ...