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Forum Posts

STM32 F103xx using PB3

Posted on September 20, 2012 at 11:44Hello, We want to use PB3 of the microC. As found in some forums we have to disable JTAG. We do this using following line of code: GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE); Then we want to use P...

gino by Associate II
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Hard Fault Handler Interrupt Stm32F1?

Posted on January 02, 2013 at 21:55Any help with finding this bug is appreciated. I am truly at a loss.I am using the virtual com port for USB(V.3.1). I had it working great, communication was like a wife and husband once wished. I was sending host ...

STM32F0 ADC DMA, where are results of measurements

Posted on December 28, 2012 at 09:21Board STM32F0 Discovery, measurment on 4 analog inputs: PC0 - ADC_IN10 PC1 - ADC_IN11 PC2 - ADC_IN12 PC3 - ADC_IN13 and Vbat, Vref, Vtemp. Configuration of ADC1 and DMA is shown in attachment. for ''ADC_InitStruct...

STM32F4 ADC_TripleMode_RegSimult

Posted on December 20, 2012 at 17:27Hi, I am trying to use the 3 ADC in simultaneous mode. I receive correctly every data but I am not able to catch any interruption in order to drive data on the good place. When I have my table I want to dispatch a...

yayi by Associate II
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ADC in STM32F4 Discovery

Posted on January 02, 2013 at 08:06hi:     i found that ADC12 and ADC123 in STM32F4 Discovery.  How Can I use them?    or whats the way to use ADC on STM32F4Discovery? I have library of STM32F4xx.c in that ADC1, ADC2, ADC3 are only defined? which ar...

its by Associate II
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  • 1 replies
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Problem on using USART with DMA

Posted on January 01, 2013 at 20:52Hello, I am implementing a UART driver using circular queue scheme, and found a minor problem with it. When I put a new character after DMA channel 5 finishes its transfer - i.e. put a new character when DMA_CNDTR5...

how to use Index Track in quadrature encoder mode

Posted on December 26, 2012 at 18:15have 2 timer channels (CH1+CH2) setup in quadrature encoder mode and all things work fine. The encoder (Avago HEDS 5540) has a third index channel with very narrow pulse per revolution. Is ist possible to use this...

jveith by Associate II
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  • 3 replies
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FAT in SD Card

Posted on December 26, 2012 at 06:36HiThis question is meant specifically for Clive1. Your earlier post on FAT at https://my.st.com/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=https%3a%2f%2fmy.st.com%2fpublic%2fSTe2ecommun...

nakulrao by Associate II
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  • 10 replies
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Loading user compiled modules

Posted on December 29, 2012 at 20:09I am looking for a way to have a simple system that runs a multi-thread main program on the processors memory and then has the ability to read a SD card and load user compiled modules into different threads and ru...

Read potentiometer Value ?

Posted on December 29, 2012 at 15:19 Hi, I want to program a potentiometer connected in PC2 as input using STM32F4 I use this program GPIO_InitTypeDef GPIO_InitStructure; ADC_InitTypeDef ADC_InitStructure; /*...

bmwael1 by Associate II
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  • 6 replies
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