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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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IRQHandler and RTOS

Posted on May 07, 2012 at 18:42Hi, I have a problem, because there are sensors signals a lot (at handler). The signals arrive at the same time, and then, sometimes, the counters don't stay the same each others, but I am simulating at the same signal...

incrementation of a timer by an input signal

Posted on May 09, 2012 at 17:18hi, i'm trying ton increment a timer in timing mode at each rising of a signal which arrive on an other pin here my code :     RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2,ENABLE);     RCC_APB1PeriphClockCmd(RCC_APB1Pe...

claire by Associate III
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STM32F107 LWIP demo of TFTP server

Posted on May 11, 2012 at 03:42Hi, I looked thru' the tftpserver.c code, and noticed that there are possibilites of memory leak in process_tftp_request() if efs_init() or ls_openDir() fails, ie, upcb is not released. Can anyone confirm that? Thanks...

songgee by Associate
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I2S/SPI interrupts

Posted on May 10, 2012 at 17:07Hi, I am using STM32F105RB and I have a problem with an I2S master receive connection, using SPI2. I have configured SPI2 in I2S master Receiver mode, and enabled a SPI2 receive interrupt but immediately after SPI2 ini...

0-wait state

Posted on May 10, 2012 at 15:19Hello, I am evaluating the SMT32F407 and I am wondering how it is possible to execute code from flash with 0-wait state. In the datasheet on page 67 it is described that the number of wait states it 5 at the maximum C...

STM32L152 TIM5

Posted on May 10, 2012 at 11:17I have an interesting problem I hope someone can explain.I was trying to modify the PWM_Input example from the StdPeriph examples to work with TIM5 so I could get a longer range. I have tried to use both TIM5_CH2 (PA1)...

problem read input data

Posted on May 10, 2012 at 14:12i am on the stm32l discovery and i send a square wave on the pin PA1 but it's like i don't receive it, i'm trying to read it with the function GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_1) but it desn't work !! int main(voi...

claire by Associate III
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.NET port of ST Visual Programmer

Posted on May 09, 2012 at 18:12Hello, I' needed a solution for production programming, knwoing that I need to program a unique serial number (not sequential) generated from my IT system. Basically I had 2 options : - Get an autonomous SEGGER Flasher...

root by Associate II
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5.7'' TFT display 640X480 16bit FSMC part number

Posted on May 08, 2012 at 12:08For my current project we are using a development board of powerAVR. It has a 3.5� TFT touchpanel with resolution 320x240, using 16bit FSMC bus for communication. But I need to have implement it on a 5.7� TFT with ...

sri1904 by Associate
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