Keil C51 Uvision Jun 2026

delay_ms(1000);

void timer0_isr(void) interrupt 1 using 1 // using 1 tells compiler to use register bank 1 TH0 = 0xFC; // Reload for 1ms @ 12MHz // ... your code ... keil c51 uvision

// ... (function to read temperature) ... delay_ms(1000); void timer0_isr(void) interrupt 1 using 1 //

uVision’s debugger is a treasure trove. You can: keil c51 uvision

Crucial: You must set the source file to generate SRC (SRC directive) or use the SRC listing option.

Using uVision’s debugger, you can set a breakpoint at presence = DQ; and watch the timing diagram on the logic analyzer to ensure the 1-Wire timings are exact.