ADC of STM32F207IG
Posted on March 23, 2013 at 16:57Hi,I have a question about the microcontroller STM32F207IG.If all of ADC channels sample at the same time,will adc sampling rate descrease?
Forum Posts
STM32F4 simple math calculation causes hardfault
Posted on March 21, 2013 at 18:06 float hypo2; int32_t XH=0,YH=0,ZH=0; ............... hypo2= (XH*(XH*1.0) + YH*(YH*1.0)); hello forum, in the above code XH and YH are 32 bit integers hypo2 is float variable becouse ...
Where are the firmwares in the new website?
Posted on March 23, 2013 at 11:04Hi all,Someone can tell me where can I find the App notes firmwares and FW libs in the new web site? Thanks
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...
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...
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_...
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?
