a752c7ab
 elopes
add first test an...
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/*
* Copyright (C) 2015 Daniel Krebs
*
* 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 sys_shell_commands
* @{
*
* @file
* @brief Provides shell commands to test AT30TSE75x temperature sensor
*
* @author Daniel Krebs <github@daniel-krebs.net>
*
* @}
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
#include "at30tse75x.h"
#ifdef MODULE_AT30TSE75X
static bool initialized = false;
static at30tse75x_t dev;
int _at30tse75x_handler(int argc, char **argv)
{
if(argc <= 1) {
printf("Usage: %s init|read|mode|resolution|save|restore|config\n", argv[0]);
return -1;
}
if(strcmp(argv[1], "init") == 0) {
if(argc == 2) {
printf("Usage: %s init #I2C [addr]\n"
" e.g. %s init 0\n", argv[0], argv[0]);
return -1;
}
int error;
unsigned addr = 0x48; /* default to A0-A2 connected to GND */
/* Try to parse i2c dev */
i2c_t i2c_dev = (i2c_t) strtol(argv[2], &argv[1] + 1, 10);
/* Address given */
if(argc == 4) {
char* hex = strstr(argv[3], "0x");
if(hex) {
addr = strtoul(hex+2, NULL, 16);
}
}
error = at30tse75x_init(&dev, i2c_dev, I2C_SPEED_NORMAL, addr);
if (error) {
printf("Error initializing AT30TSE75x sensor on I2C #%u @ 0x%x\n", i2c_dev, addr);
initialized = false;
return 1;
}
else {
printf("Initialized AT30TSE75x sensor on I2C #%u @ 0x%x\n", i2c_dev, addr);
initialized = true;
}
} else {
if(!initialized) {
puts("Please initialize first");
return -1;
}
if(strcmp(argv[1], "read") == 0) {
float temperature;
if(at30tse75x_get_temperature(&dev, &temperature) != 0) {
puts("Reading temperature failed");
return -1;
}
printf("Temperature: %i.%03u °C\n",
(int)temperature,
(unsigned)((temperature - (int)temperature) * 1000));
} else if(strcmp(argv[1], "mode") == 0) {
if(argc == 2) {
printf("Usage: %s mode one-shot|comparator|interrupt\n", argv[0]);
return -1;
}
at30tse75x_mode_t mode;
if(strcmp(argv[2], "one-shot") == 0) {
mode = AT30TSE75X_MODE_ONE_SHOT;
} else if(strcmp(argv[2], "comparator") == 0) {
mode = AT30TSE75X_MODE_COMPARATOR;
} else if(strcmp(argv[2], "interrupt") == 0) {
mode = AT30TSE75X_MODE_INTERRUPT;
} else {
puts("Invalid mode");
return -1;
}
if(at30tse75x_set_mode(&dev, mode) != 0) {
return -1;
}
printf("Mode set to %s\n", argv[2]);
} else if(strcmp(argv[1], "resolution") == 0) {
if(argc == 2) {
printf("Usage: %s resolution 9|10|11|12\n", argv[0]);
return -1;
}
unsigned resolution = strtoul(argv[2], NULL, 10);
if(at30tse75x_set_resolution(&dev, resolution - 9) != 0) {
return -1;
}
printf("Resolution set to %u bits\n", resolution);
} else if(strcmp(argv[1], "save") == 0) {
uint8_t config;
if(at30tse75x_get_config(&dev, &config) != 0) {
return -1;
}
if(at30tse75x_save_config(&dev) != 0) {
return -1;
}
printf("Config (0x%x) saved\n", config);
} else if(strcmp(argv[1], "restore") == 0) {
uint8_t config;
if(at30tse75x_restore_config(&dev) != 0) {
return -1;
}
if(at30tse75x_get_config(&dev, &config) != 0) {
return -1;
}
printf("Config restored to 0x%x\n", config);
} else if(strcmp(argv[1], "config") == 0) {
if(argc == 2) {
uint8_t config;
if(at30tse75x_get_config(&dev, &config) != 0) {
return -1;
}
printf("Config: 0x%x\n", config);
} else {
/* Try to parse config in hex format */
uint8_t config;
char* hex = strstr(argv[2], "0x");
if(!hex) {
printf("Usage: %s config 0x__"
" to set config\n", argv[0]);
return -1;
}
config = strtoul(hex+2, NULL, 16);
if(at30tse75x_set_config(&dev, config) != 0) {
return -1;
}
printf("Config set to: 0x%x\n", config);
}
}
}
return 0;
}
#endif /* MODULE_AT30TSE75X */
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