I'm having problems with 8051 based ISRs. The problem occures when:
1- Interrupt A is being serviced. 2- Interrupt B occures and is serviced (in the middle of ISR A execution. 3- Sometimes ISR A fails to complete.
I'm using the C ISRs used in C51 without any register set defined ("using xx"). My understanding is that the ISRs should get entered and serviced mutually exclusive from one another without corrupting one another's stack. Is this not the case?
A different - and somewhat (!) inflamed - thread discusses black or white or shades in between. This is yet another example of nuances. If I don't need nested interrupts, I avoid them. But I don't forbid myself from using them if I feel that they represent a real advantage. nothing wrong with bested interrupts (I use them), but why all that hoolabaloo about doing it without using the intended tool: IP
Erik