Posted on October 06, 2014 at 09:53Dear all,We are trying to use the on-chip ADC of STM32F407. We have read two appnotes, which are AN4073 How to improve ADC accuracy when using STM32F2xx andSTM32F4xx microcontrollers and AN2834 How to get the best ...
Posted on October 03, 2014 at 17:09Hello,I'm trying to identify when program is on debug mode or not.As semihosting (interrupts) breaks the program when it calls printf(). I hope to read a flag to identify that i'm not on debug mode and with this I ...
Posted on October 03, 2014 at 14:28Hi, I'm facing with a strange problem, in fact I'm working on Discovery platform to study the stm32f4 low power modes. I'd like to enter and exit from sleep mode and to do this I use an UART to send the command to ...
Posted on October 03, 2014 at 16:14Using the STM32427, with TIM5 set up as a master to TIM1 and TIM8. This works fine; I get synchronous pulses like I expect. However, I'd also like to have TIM1 act as master for TIM4. When I enable TIM1 in master m...
Posted on September 26, 2014 at 15:29Hi, I configurated the PB4 pin in iterrupt mode, every time you shoot the interrup the led is toggled. If the source code is compiled in start address 0x800 0000 it's ok, the interrupt it's ok and the led is tog...
Posted on October 01, 2014 at 17:23 HI, I want to read the value of a potentiometer; I have this ADC: #include ''stm32f4xx_adc.h'' #include ''stm32f4xx_gpio.h'' #include ''stm32f4xx_rcc.h'' #include ''pwm2.h'' void adc_configur...
Posted on October 02, 2014 at 19:55Hi everyone, So i wanted to get into ST ARMs microcontrolers. I only used TI Tivas before but i wanted to try out the ST ones.Well i would like to know if anyone could provide some links to tutorials and such. My m...
Posted on October 02, 2014 at 15:36Hi,I�m running a single ADC in continuous mode with fADC = 21MHz and expect it to provide 1.4MSPS. I seem to be getting only 0.55MSPS. Can anybody explain why this might be?According to the STM32F407xx Datasheet (D...
Posted on October 02, 2014 at 17:05Hello,I try to test my application with a new setup with external SRAM on the STM3240G kit, for heap and stack.I use FatFS on SDIO which needs DMA. When I read a file there is a problem.I know it is not possible to...
Posted on October 03, 2014 at 01:48The STM32L152 is working. Also the external 32KHz is driving the rtc. If I connect a battery to VBAT pin the oscillator stops working if main power go down. There is also no current from battery to VBAT. In running...
