Example #1
0
int sif_main(int argc, char *argv[])
{
    if (argc >= 2) {	
        if (!strcmp(argv[1], "init")) {          
          return sif_init();
        }
        else if (!strcmp(argv[1], "gpio") && argc == 4) {
            vsn_sif.gpio[0] = atoi(argv[2]);
            vsn_sif.gpio[1] = atoi(argv[3]);
            sif_gpio1_update();
            sif_gpio2_update();
            printf("GPIO States: %2x %2x\n", vsn_sif.gpio[0], vsn_sif.gpio[1] );
            return 0;
        }
        else if (!strcmp(argv[1], "pwr") && argc == 3) {
            int val = atoi(argv[2]);
            STM32_TIM_SETCOMPARE(vsn_sif.tim8, GPIO_OUT_PWRPWM_TIM8_CH, val);
            return 0;
        }
        else if (!strcmp(argv[1], "time") && argc == 3) {
            struct timespec t_set;
            t_set.tv_sec = atoi(argv[2]);
            clock_settime(CLOCK_REALTIME, &t_set);
        }
        else if (!strcmp(argv[1], "free") ) {
            uint16_t page = 0, stpage = 0xFFFF;
            int status;
            do {
                status = up_progmem_ispageerased(page++);
                
                /* Is this beginning of new free space section */
                if (status == 0) {
                    if (stpage == 0xFFFF) stpage = page-1;
                }
                else if (status != 0) {
                    if (stpage != 0xFFFF) {
                        printf("Free Range:\t%d\t-\t%d\n", stpage, page-2);
                        stpage = 0xFFFF;
                    }
                }
            }
            while (status >= 0);
            return 0;
        }
        else if (!strcmp(argv[1], "erase") && argc == 3 ) {
            int page = atoi(argv[2]);
            printf("Erase result: %d\n", up_progmem_erasepage(page) );
            return 0;
        }
        else if (!strcmp(argv[1], "flash") && argc == 3 ) {
            uint16_t page = atoi(argv[2]);
            uint32_t addr = page * up_progmem_pagesize(page);
            
            printf("Write result: %d (writing to address %xh)\n", 
                up_progmem_write( addr, "Test", 4 ), addr);
            return 0;
        }
        else if (!strcmp(argv[1], "i2c") && argc == 3) {
            int val = atoi(argv[2]);
            
            I2C_SETFREQUENCY(vsn_sif.i2c1, 100000);
            
            struct lis331dl_dev_s * lis = lis331dl_init(vsn_sif.i2c1, val);

            if (lis) {
                const struct lis331dl_vector_s * a;
                int i;
                uint32_t time_stamp = clock_systimer();
                
                /* Set to 400 Hz : 3 = 133 Hz/axis */
                
                lis331dl_setconversion(lis, false, true);
                
                /* Sample some values */
                
                for (i=0; i<1000; ) {
                    if ( (a = lis331dl_getreadings(lis)) ) {
                        i++;
                        printf("%d %d %d\n", a->x, a->y, a->z);
                    }
                    else if (errno != 11) {
                        printf("Readings errno %d\n", errno);
                        break;
                    }
                }
                
                printf("Time diff = %d\n", clock_systimer() - time_stamp);
                
                lis331dl_deinit(lis);
            }
            else printf("Exit point: errno=%d\n", errno);

            return 0;
        }
        else if (!strcmp(argv[1], "cc")) {
            struct cc1101_dev_s * cc;
            uint8_t buf[64];
            int sta;
            
            cc = cc1101_init(vsn_sif.spi2, CC1101_PIN_GDO0, GPIO_CC1101_GDO0,
                &cc1101_rfsettings_ISM1_868MHzGFSK100kbps);
                
            if (cc) {
            
                /* Work-around: enable falling edge, event and interrupt */
                stm32_gpiosetevent(GPIO_CC1101_GDO0, false, true, true, cc1101_eventcb);
            
                /* Enable clock to ARM PLL, allowing to speed-up to 72 MHz */
                cc1101_setgdo(cc, CC1101_PIN_GDO2, CC1101_GDO_CLK_XOSC3);
                
                cc1101_setchannel(cc, 0);   /* AV Test Hex, receive on that channel */
                cc1101_receive(cc);          /* Enter RX mode */
                while(1) 
                {
                    fflush(stdout);
                    sta = cc1101_read(cc, buf, 64);
                    if (sta > 0) {
                        printf("Received %d bytes: rssi=%d [dBm], LQI=%d (CRC %s)\n", 
                            sta, cc1101_calcRSSIdBm(buf[sta-2]), buf[sta-1]&0x7F,
                            (buf[sta-1]&0x80)?"OK":"BAD");
                            
                        cc1101_write(cc, buf, 61);
                        cc1101_send(cc);
                        
                        printf("Packet send back\n");
                            
                        cc1101_receive(cc);
                    }
                }
            }
        }
    }

    fprintf(stderr, "%s:\tinit\n\tgpio\tA B\n\tpwr\tval\n", argv[0]);
    
    struct timespec t_active;
    clock_gettime(CLOCK_ACTIVETIME, &t_active);
    
    fprintf(stderr, "rtc time = %u / %u, active = %u / %u, time / systick = %u / %u\n", 
        up_rtc_gettime(), up_rtc_getclock(),
        t_active.tv_sec, t_active.tv_nsec,
        time(NULL), clock_systimer() );
    return -1;
}
Example #2
0
int clock_gettime(clockid_t clock_id, struct timespec *tp)
{
#ifndef CONFIG_SYSTEM_UTC
  uint32_t msecs;
  uint32_t secs;
  uint32_t nsecs;
#endif
  int ret = OK;

  sdbg("clock_id=%d\n", clock_id);

  /* CLOCK_REALTIME - POSIX demands this to be present. This is the wall
   * time clock.
   */

  if (clock_id == CLOCK_REALTIME && tp)
    {
#ifndef CONFIG_SYSTEM_UTC
      /* Get the elapsed time since power up (in milliseconds) biased
       * as appropriate.
       */

      msecs = MSEC_PER_TICK * (clock_systimer() - g_tickbias);

      sdbg("msecs = %d g_tickbias=%d\n",
           (int)msecs, (int)g_tickbias);

      /* Get the elapsed time in seconds and nanoseconds. */

      secs  = msecs / MSEC_PER_SEC;
      nsecs = (msecs - (secs * MSEC_PER_SEC)) * NSEC_PER_MSEC;

      sdbg("secs = %d + %d nsecs = %d + %d\n",
           (int)msecs, (int)g_basetime.tv_sec,
           (int)nsecs, (int)g_basetime.tv_nsec);

      /* Add the base time to this. */

      secs  += (uint32_t)g_basetime.tv_sec;
      nsecs += (uint32_t)g_basetime.tv_nsec;

      /* Handle carry to seconds. */

      if (nsecs > NSEC_PER_SEC)
        {
          uint32_t dwCarrySecs = nsecs / NSEC_PER_SEC;
          secs  += dwCarrySecs;
          nsecs -= (dwCarrySecs * NSEC_PER_SEC);
        }

      /* And return the result to the caller. */

      tp->tv_sec  = (time_t)secs;
      tp->tv_nsec = (long)nsecs;
      
#else   /* if CONFIG_SYSTEM_UTC=y */

#ifdef CONFIG_RTC
      if (g_rtc_enabled)
        {
          tp->tv_sec  = up_rtc_gettime();
          tp->tv_nsec = (up_rtc_getclock() & (RTC_CLOCKS_PER_SEC-1) ) * (1000000000/TICK_PER_SEC);
        }
      else
#endif
        {
          tp->tv_sec  = g_system_utc;
          tp->tv_nsec = g_tickcount * (1000000000/TICK_PER_SEC);
        }
#endif

      sdbg("Returning tp=(%d,%d)\n",
           (int)tp->tv_sec, (int)tp->tv_nsec);
    }

 /* CLOCK_ACTIVETIME is non-standard. Returns active UTC time, which is
  * disabled during power down modes. Unit is 1 second.
  */

#ifdef CONFIG_RTC
  else if (clock_id == CLOCK_ACTIVETIME && g_rtc_enabled && tp)
    {
      tp->tv_sec  = g_system_utc;
      tp->tv_nsec = g_tickcount * (1000000000/TICK_PER_SEC);
    }
#endif

  else
    {
      sdbg("Returning ERROR\n");

      errno = EINVAL;
      ret = ERROR;
    }

  return ret;
}