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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 ...

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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