• Use BVS/BCS for fast overflow check with long long
    Hi, I need some long long (64 bit) additions in a fast interrupt code. After each addition, I need to limit the result to MIN/MAX_INT64 if some overflow occurred. In assembler, I would use the...
  • long long: fast lo/hi reg access in assembly
    ARMCC 5.02 has this nice new feature of inline assembly support for Cortex-M4 (I use STM32F4). But unfortunately it seems to be impossible to convince the inline assembler to use direct register...
  • Realview: Long Long types
    I am trying to port some code over to a LPC2378 ARM-7 MCU that makes use of "long long" variables. I have not been getting any compiler errors over variables being declared as "long long" but when I...
  • Fast Interrupts
    hi all, I am testing the working of fast interrupts. I have set the interrupt as CACHED . what is wrong with the following code? void main(void) { uwBank_set = 0; FINT0CSP = 0x8F01; FINT0ADDR...
  • FAST GPIO
    hi, i am using lpc2378 ...when i configure port 0 and 1 as fast GPIO my uart baud rate becomes half...since i have used port0 and 1 to interface a lot of other peripherals i am not in a position to make...