• EXTI interrupt handler not trigger for stm32f446re
    Hi, i'm newbie , i want to know why my code doesn't work , my coding is about external interrupt is not trigger EXTIx_IRQHandler not trigger for coding in the uvision5 , but the same code i'm done...
  • CMSIS EXTI project example
    Hi to all.. I've just moved to ARM Cortex from Microchip PIC.. I was there for too long. (since 1996). I bought lots of dev-board ranging from Waveshare Open Series to STM32Discovery and even a Freescale...
  • USART fails in EXTI Interrupt
    I have faced another strange thing today: inside ISR of EXTI I wanted to send some character to USART, but I found that program halts there, after eliminating the commands regarding USART I found that...
  • LPC3250 IRQ HANDLER
    Hi i have doubt in lpc3250 irq handler. can any one explain the this asm code? __asm void IRQ_Handler (void) { /* Common IRQ Handler */ PRESERVE8 ARM STMDB SP!,{R0} ; Save R0 LDR R0,=__cpp((unsigned...
  • Override DMA IRQ handler?
    Hello I am modifying a Keil example program (MCBSTM32C HTTP-SERVER) so that you can upload via HTTP. A second thing it has to do is write the uploaded data to the DAC. For this I want to use the DMA...