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TIM1 interrupt on stm32f107vc

Posted on March 22, 2013 at 21:32Hello!I can't enable the interrupt (NVIC_EnableIRQ (TIM1_UP_IRQn)) from the timer TIM1.Keil dislike arguments TIM1_BRK_IRQn, TIM1_UP_IRQn, TIM1_TRG_COM_IRQn:Main \ main.c (124): error: # 20: identifier ''TIM1_UP_IRQn...

maryuriy by Associate II
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Trouble with EXTI

Posted on March 22, 2013 at 21:24Hi, I am having some troubles getting EXTI0 working properly with GPIOA.P0.  At present, the interrupt works, just in the wrong way.  I have a push button hooked up to GPIOA.P0 that pulls it to ground.  It is configu...

Need help on I2S mono audio capture

Posted on March 21, 2013 at 19:44I have an application where I have a digital mic/codec (maxim codec chip) combination transmitting PCM 16-bit samples over I2S to an STM32F217. I am trying to use DMA to capture this audio stream, however I only wish...

bola by Associate II
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STM32F4 Discovery Soft Synth

Posted on June 26, 2012 at 18:36Hi to all,I started to develop a STM32F4-Discovery Soft Synth. A video showing it's first  beta release is here: http://www.youtube.com/watch?v=4JkhzH57Je4In some post I view a interest to audio application using STM3...

STM32F205 quiescent current under reset

Posted on March 22, 2013 at 00:42I am holding an STM32F205 in reset (NRST pin low). I am measuring the current into VDD1-4 plus AVDD at 1.7mA. I am using 3.3V. 0.1mA I can explain through the pull-up resistor on the NRST pin per datasheet. 0.3mA I [...

Problem with SPI

Posted on March 20, 2013 at 15:29Hello, I´m using STM32F303 and I´m trying to communicate via SPI (simplex SPI1-SPI2 using interrupts). It couldn´t be easier but it doesn´t work and I can´t find mistake. I connect PB3 (SPI1_SCK) with PB13(SPI2_...

j3lda by Associate II
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PWM for stepper motor

Posted on March 21, 2013 at 23:29hi all,please i need help. I have to generate 2 signals PWM like this:I think that we should insert a dead time. How to do it plz?

0690X000006037BQAQ.jpg

STM32F303 - disabling DMA during transfer

Posted on March 21, 2013 at 04:08I'm having difficulty getting deterministic behavior when disabling a DMA transfer in progress.  I'm using DMA to feed the USART 2 transmitter from a buffer.  When I need to queue up more data for the transmitter, I'...