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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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STM32F407VG + LwIP Rx works but TX does not

Posted on January 15, 2016 at 13:42Hello, I use my own board with a STM32F407VG controller. I tried to get the LwIP 1.4.1 example running, that can be downloaded from the ST.com website. After adopting the BSP to my board I can receive packets perfe...

STM32F4XX RTC calendar can not be configured

Posted on May 01, 2015 at 01:45When system boots up, RTC is initialized and could be configured with success, but any calendar configuration afterward will always fail with ''  if (RTC_EnterInitMode() == ERROR)'' in RTC_SetTime() standard API. When ...

sanmingx by Associate
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CAN Bus - how do I set baud rate on STM32F303x?

Posted on January 14, 2016 at 16:43The default examples are for the Discovery board running at 72MHz. Mine is running at 65.536MHz, meaning that I need to adjust the baudrate to get the round number I desire eg 1M, 500k, 250k, 125k etc.It is not obv...

gbigden by Associate III
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quadrature output - STM32F407

Posted on July 10, 2013 at 15:27I need to output a simulated quadrature signal on two mcu pins. Is there a way to cleanly do this using the advanced timing features of TIM1 & TIM8?I know that there are other ways that essentially amount to using tim...

dibs by Associate II
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STM32F7 HAL ADC Failes to select TEMPSENSOR

Posted on January 14, 2016 at 11:06To sample the temperature sensor I am using the HAL_ADCEx_InjectedConfigChannel. Since the ADC_CHANNEL_TEMPSENSOR and ADC_CHANNEL_VBAT share ADC channel, only one of them can be sampled at a time, depending on the ...

jorgen by Associate
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STM32F4xx CubeMX USB device CDC class example

Posted on September 26, 2014 at 02:00I am using an STM32F427 processor and wish to implement a USB device CDC virtual serial port on the HS USB port. I am generating my initialization/driver code with CubeMX. I am having a hard time figuring out wha...

krubow by Associate II
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TIMER Question

Posted on January 13, 2016 at 04:53Hi Everyone. I've looked through some of the older posts re: timer delay function, and I have used one of those posts as a base to what I have implemented. The problem is, when I run the delay function in a loop to...

mbmail4 by Associate II
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How to recognize which edge lead to EXTI

Posted on January 12, 2016 at 22:06How do you recognize, which edge lead to EXTI, if it is configured for rising and falling edges?Now, I look a state of that pin in IDR register, immediately when EXTI occurs. But in that time, between cause of inte...

matic by Associate III
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Multiple PWM input capture on one timer

Posted on February 12, 2013 at 16:17Hello, I am able to accurately capture one PWM input on each 16- and 32-bit timers on the STM32F4x and STM32F3x Discovery boards (using IC1 and IC2). But, I have not had any luck capturing two PWM singnals on a si...

pliable3 by Associate
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Example for FSMC or driving a LCD

Posted on January 13, 2016 at 17:06I would like to see an example about how to drive a LCD with F10X or F20X. Like bit banking RW/WR and handling data. I saw something for Nucleo boards, but I wonder would that help with other boards.

LMI2 by Lead
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