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STM3220G-EVAL and LIS302DL

Posted on March 05, 2013 at 22:57Hi, I just got a STM3220G-EVAL board. I have to connect an I2C device, but first of all I'm trying to access via I2C the LIS302DL accelerometer on board. Unfortunately, I can't find any example for that embedded devi...

STM32F0 How to reset SPI interface?

Posted on August 15, 2013 at 16:36Hi, I've a problem with the SP interface. If I reset continously the uC (maybe interrupting the SPI communication would do the same) sometimes the receive buffer gets a 4-bit offset. I do communicate with 8-bit valu...

matthias2 by • Associate II
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USART: Is it possible to echo oneself?

Posted on August 14, 2013 at 18:34Hi, if anyone is interested, see my problem and thanks in advance. I am using STM32F4discovery, but the problem should be general enough for all STM32 MCUs. I am just curious if it is possible to make : 1. Say, usar...

ran2 by • Associate III
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STM32F103 Vrefint / Temp sensor

Posted on August 14, 2013 at 18:35Hello, So I tried every setup I could come up with, and had no luck. Does anyone have an example of using the Vrefint and Temp sensor ADC channels? Thanks #stm32 #internal-temperature-sensor #adc-vrefint #vrefint...

john23 by • Associate II
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Timer 2 isr not firing unless in debug mode

Posted on August 14, 2013 at 14:25Strange problem...Timer 2 works great when debugging. When I turn my supply off and reboot, everything is hunky dory except timer2. Any clues?    TIM_DeInit(TIM2);    //ENABLE CLOCKS     RCC_APB1PeriphClockCmd(RCC_A...

STM32F103 PD0 / PD1 - Cannot get them to remap as GPIO

Posted on August 14, 2013 at 18:11Hello, I am attempting to remap pins PD0 and PD1 as GPIO and whenever I try to change the pin state, it stays low. Am I setting something up wrong? Init Code:     GPIO_InitTypeDef  GPIO_InitStructure;     /*GPIOD Ou...

john23 by • Associate II
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New stm32f4 discussion board(s) on reddit

Posted on August 14, 2013 at 20:21Greetings developers and hackers! I have created two spaces over on reddit for people to discuss, share, show-off, ask questions about, etc. their projects which are based on the STM32F4.  You can view the posts wit...

diydsp by • Associate
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TIMER EXTERNAL CLOCK

Posted on August 13, 2013 at 16:05Hi, Could someone explain me how external clock for timer is done. Specially I don't understand how TI1, TI2 etc., are mapped to the physical pin. Alternate function on GPIO is mapped to different timers but is it ...

jonfs2000 by • Associate II
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How the image send from camera to computer? Help me

Posted on August 12, 2013 at 13:21I have a project with OV7670 with stm32f4-discovery. My OV7670 has 16 pins and without fifo. I want to the get one image with camera and I have to send this image to computer. But I don't have any idea. Help me. My ...

muhammet by • Associate II
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