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Subversion Repositories openmsp430
[/] [openmsp430/] [trunk/] [fpga/] [xilinx_diligent_s3board/] [software/] [leds/] [main.c] - Rev 222
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#include "hardware.h" #include "7seg.h" /** Delay function. */ void delay(unsigned int c, unsigned int d) { volatile int i, j; for (i = 0; i<c; i++) { for (j = 0; j<d; j++) { __nop(); __nop(); } } } /** This one is executed onece a second. it counts seconds, minues, hours - hey it shoule be a clock ;-) it does not count days, but i think you'll get the idea. */ volatile int irq_counter; volatile INT8U offset; wakeup interrupt (WDT_VECTOR) INT_Watchdog(void) { irq_counter++; if (irq_counter == 300) { irq_counter = 0; offset = (offset+1) % 20; } DispStr (offset, (INT8U *) "OPENMSP430 IN ACTION "); } /** Main function with some blinking leds */ int main(void) { int i; int o = 0; irq_counter = 0; offset = 0; WDTCTL = WDTPW | WDTHOLD; // Disable watchdog timer P1OUT = 0x00; // Port data output P2OUT = 0x00; P1DIR = 0x00; // Port direction register P2DIR = 0x00; P3DIR = 0xff; P1IES = 0x00; // Port interrupt enable (0=dis 1=enabled) P2IES = 0x00; P1IE = 0x00; // Port interrupt Edge Select (0=pos 1=neg) P2IE = 0x00; WDTCTL = WDTPW | WDTTMSEL | WDTCNTCL;// | WDTIS1 | WDTIS0 ; // Configure watchdog interrupt IE1_set_wdtie(); eint(); //enable interrupts while (1) { // Main loop, never ends... for (i=0; i<8; i++, o++) { P3OUT = (1<<i) | (0x80>>(o&7)); delay(0x0007, 0xffff); } } return 0; }
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