コード例 #1
0
ファイル: flashfs.c プロジェクト: DC00/Firmware
static int erase_sector(sector_descriptor_t *sm, flash_entry_header_t *pf)
{
	int rv = 0;
	ssize_t page = up_progmem_getpage((size_t)pf);

	if (page > 0 && page == sm->page) {
		last_erased = sm->page;
		ssize_t size = up_progmem_erasepage(page);

		if (size < 0 || size != sm->size) {
			rv = size;
		}
	}

	return rv;
}
コード例 #2
0
ファイル: sif.c プロジェクト: Nuages/terrarium_2015
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);
            STM32_TIM_SETCOMPARE(vsn_sif.tim3, GPIO_OUT_PWM_TIM3_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")) {
            size_t  page = 0, stpage = 0xFFFF;
            ssize_t 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%lu\t-\t%lu\n",
                               (unsigned long)stpage, (unsigned long)(page-2));
                        stpage = 0xFFFF;
                    }
                }
            }
            while (status >= 0);
            return 0;
        }
        else if (!strcmp(argv[1], "erase") && argc == 3) {
            size_t page = atoi(argv[2]);
            printf("Erase result: %d\n", up_progmem_erasepage(page));
            return 0;
        }
        else if (!strcmp(argv[1], "flash") && argc == 3) {
            size_t page = atoi(argv[2]);
            size_t addr = page * up_progmem_pagesize(page);

            printf("Write result: %d (writing to address %lxh)\n",
                up_progmem_write(addr, "Test", 4), (unsigned long)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], "pga")) {
            int gain = atoi(argv[2]);

            gain = vsn_muxbus_setpgagain(gain);

            printf("Gain changed: %d\n", gain);
            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]);

    fprintf(stderr, "rtc time = %u, time / systick = %u / %u\n",
        up_rtc_time(), time(NULL), clock_systimer());
    return -1;
}
コード例 #3
0
ファイル: install.c プロジェクト: WayWingsDev/fernvale-nuttx
static int install_remove(const char *scriptname)
{
  FILE    *fp;
  int      progsize, addr, freedsize;
  uint16_t page;
  int      status = 0;

  /* Parse script */

  if ((fp = fopen(scriptname, "r")))
    {
      progsize  = install_getlasthexvalue(fp,'=');
      addr      = install_getlasthexvalue(fp,' ');
      freedsize = progsize;
    }
  else
    {
      return -errno;
    }

  fclose(fp);

  /* Remove pages */

  if (progsize <= 0 || addr <= 0)
    {
      return -EIO;
    }

  do
    {
      if ((page = up_progmem_getpage(addr)) < 0)
        {
          status = -page;
          break;
        }

      if (up_progmem_erasepage(page) < 0)
        {
          status = -page;
          break;
        }

      addr += up_progmem_pagesize(page);
      progsize -= up_progmem_pagesize(page);

    }
  while (progsize > 0);

  if (status < 0)
    {
      return status;
    }

  /* Remove script file */

  if (unlink(scriptname) < 0)
    {
      return -errno;
    }

  return freedsize;
}