sys-tst.c

00001 #include <AT91SAM7S64.h>
00002 #include <stdio.h>
00003 #include <sys/process.h>
00004 #include <sys/procinit.h>
00005 #include <sys/etimer.h>
00006 #include <dev/leds.h>
00007 #include <debug-uart.h>
00008 #include <interrupt-utils.h>
00009 
00010 volatile const char * volatile input_line = NULL;
00011 volatile unsigned int input_line_len = 0;
00012 
00013 static void
00014 recv_input(const char *str, unsigned int len)
00015 {
00016   /* Assume that the line is handled before any new characters is written
00017      to the buffer */
00018   input_line = str;
00019   input_line_len = len;
00020 }
00021 PROCESS(blink_process, "LED blink process");
00022 
00023 PROCESS_THREAD(blink_process, ev , data)
00024 {
00025   static struct etimer timer;
00026   PROCESS_BEGIN();
00027   etimer_set(&timer, CLOCK_SECOND/2);
00028    while(1) {
00029     PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_EXIT ||
00030                              ev== PROCESS_EVENT_TIMER);
00031     if (ev == PROCESS_EVENT_EXIT) break;
00032     leds_invert(LEDS_RED);
00033 #if 0
00034     {
00035       DISABLE_FIFOP_INT();
00036       printf("FSMSTATE:  %04x",cc2420_getreg(CC2420_FSMSTATE));
00037       ENABLE_FIFOP_INT();
00038       if (SFD_IS_1) printf(" SFD");
00039       if (FIFO_IS_1) printf(" FIFO");
00040       if (FIFOP_IS_1) printf(" FIFOP");
00041       putchar('\n');
00042     }
00043 #endif
00044     etimer_reset(&timer);
00045   }
00046   printf("Ended process\n");
00047   PROCESS_END();
00048 }
00049 PROCINIT(&etimer_process, &blink_process);
00050 int
00051 main()
00052 {
00053   disableIRQ();
00054   disableFIQ();
00055   *AT91C_AIC_IDCR = 0xffffffff;
00056   *AT91C_PMC_PCDR = 0xffffffff;
00057   *AT91C_PMC_PCER = (1 << AT91C_ID_PIOA);
00058   
00059   dbg_setup_uart();
00060   printf("Initialising\n");
00061   dbg_set_input_handler(recv_input);
00062   leds_arch_init();
00063   clock_init();
00064   
00065   process_init();
00066   printf("Started\n");
00067   
00068   procinit_init();
00069   enableIRQ(); 
00070   printf("Processes running\n");
00071   while(1) {
00072     do {
00073       /* Reset watchdog. */
00074      } while(process_run() > 0);
00075     /* Idle! */
00076     /* Stop processor clock */
00077     *AT91C_PMC_SCDR |= AT91C_PMC_PCK;
00078   }
00079   return 0;
00080 }

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