58 lines
967 B
C
58 lines
967 B
C
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#include "mctools.h"
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#define FOSC 12000000L //system frequency
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#define BAUD 9600L //baud-rate
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#define DLED P2_6
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#define ILED P2_7
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#define T0_1MS (65536-FOSC/12/1000)
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static void timer0_isr() __interrupt(1)
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{
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static int count=1;
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if (count--)
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return;
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count = 1;
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ILED = !ILED;
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return;
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}
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void timer0_init() {
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stc15_timer0_set_sysclk12();
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stc15_timer0_set_mode_16bitauto();
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TL0 = T0_1MS; // Initial timer value
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TH0 = T0_1MS>>8; // Initial timer value
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TF0 = 0; // Clear overflow flag
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TR0 = 1; // Timer0 start run
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ET0 = 1; // Enable timer0 interrupt
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/* AUXR &=0x7F; // T0 in 12T mode
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TMOD = 0x00; // T0 16-bit-auto-reload
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TL0 = T0_1MS; // Initial timer value
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TH0 = T0_1MS>>8; // Initial timer value
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//
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TF0 = 0; // Clear overflow flag
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TR0 = 1; // Timer0 start run
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ET0 = 1; // Enable timer0 interrupt
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*/
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}
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void main()
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{
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ILED=0;
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timer0_init();
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EA=1;
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while(1);
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}
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