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82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
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/*
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* Copyright (C) 2015 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup driver_sensif
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* @{
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*
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* @file
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* @brief Generic sensor/actuator data handling
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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* @}
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include "fmt.h"
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#include "phydat.h"
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void phydat_dump(phydat_t *data, uint8_t dim)
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{
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if (data == NULL || dim > PHYDAT_DIM) {
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puts("Unable to display data object");
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return;
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}
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printf("Data:");
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for (uint8_t i = 0; i < dim; i++) {
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char tmp[PHYDAT_SCALE_STR_MAXLEN];
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phydat_scale_to_str(data->scale, tmp);
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printf("\t[%i] %i%s%s\n", (int)i, (int)data->val[i], tmp,
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phydat_unit_to_str(data->unit));
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}
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}
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const char *phydat_unit_to_str(uint8_t unit)
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{
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switch (unit) {
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case UNIT_TEMP_C: return "°C";
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case UNIT_TEMP_F: return "°F";
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case UNIT_TEMP_K: return "K";
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case UNIT_M: return "m";
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case UNIT_G: return "g";
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case UNIT_DPS: return "dps";
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case UNIT_GR: return "G";
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case UNIT_A: return "A";
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case UNIT_V: return "V";
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case UNIT_GS: return "Gs";
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case UNIT_BAR: return "Bar";
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case UNIT_PA: return "Pa";
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case UNIT_CD: return "cd";
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default: return "";
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}
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}
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void phydat_scale_to_str(int8_t scale, char *str)
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{
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switch (scale) {
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case 0: *str = '\0'; return;
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case -3: *str = 'm'; break;
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case -6: *str = 'u'; break;
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case -9: *str = 'n'; break;
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case -12: *str = 'p'; break;
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case -15: *str = 'f'; break;
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case 3: *str = 'k'; break;
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case 6: *str = 'M'; break;
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case 9: *str = 'G'; break;
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case 12: *str = 'T'; break;
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case 15: *str = 'P'; break;
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default:
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*str++ = 'E';
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str += fmt_s32_dec(str, scale) -1;
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}
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*++str = '\0';
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}
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