phydat_str.c
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/*
* Copyright (C) 2015 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup driver_sensif
* @{
*
* @file
* @brief Generic sensor/actuator data handling
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include <stdio.h>
#include <stdint.h>
#include "fmt.h"
#include "phydat.h"
void phydat_dump(phydat_t *data, uint8_t dim)
{
if (data == NULL || dim > PHYDAT_DIM) {
puts("Unable to display data object");
return;
}
printf("Data:");
for (uint8_t i = 0; i < dim; i++) {
char scale_str;
switch (data->unit) {
case UNIT_UNDEF:
case UNIT_NONE:
case UNIT_M2:
case UNIT_M3:
case UNIT_PERCENT:
case UNIT_TEMP_C:
case UNIT_TEMP_F:
/* no string conversion */
scale_str = '\0';
break;
default:
scale_str = phydat_scale_to_str(data->scale);
}
printf("\t[%i] ", (int)i);
if (scale_str) {
printf("%i%c", (int)data->val[i], scale_str);
}
else if (data->scale == 0) {
printf("%i", (int)data->val[i]);
}
else if ((data->scale > -5) && (data->scale < 0)) {
char num[8];
size_t len = fmt_s16_dfp(num, data->val[i], data->scale * -1);
num[len] = '\0';
printf("%s", num);
}
else {
printf("%iE%i", (int)data->val[i], (int)data->scale);
}
printf("%s\n", phydat_unit_to_str(data->unit));
}
}
const char *phydat_unit_to_str(uint8_t unit)
{
switch (unit) {
case UNIT_TEMP_C: return "°C";
case UNIT_TEMP_F: return "°F";
case UNIT_TEMP_K: return "K";
case UNIT_LUX: return "lx";
case UNIT_M: return "m";
case UNIT_M2: return "m^2";
case UNIT_M3: return "m^3";
case UNIT_G: return "g";
case UNIT_DPS: return "dps";
case UNIT_GR: return "G";
case UNIT_A: return "A";
case UNIT_V: return "V";
case UNIT_GS: return "Gs";
case UNIT_BAR: return "Bar";
case UNIT_PA: return "Pa";
case UNIT_CD: return "cd";
case UNIT_PERCENT: return "%";
default: return "";
}
}
char phydat_scale_to_str(int8_t scale)
{
switch (scale) {
case -3: return 'm';
case -6: return 'u';
case -9: return 'n';
case -12: return 'p';
case -15: return 'f';
case 2: return 'h';
case 3: return 'k';
case 6: return 'M';
case 9: return 'G';
case 12: return 'T';
case 15: return 'P';
default: return '\0';
}
}