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ictp:z1-websense with battery in mV

This commit is contained in:
Enric M. Calvo 2011-03-08 11:19:30 +01:00
parent 73fc5f6ae7
commit bd2d1ee4be
1 changed files with 21 additions and 9 deletions
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30
examples/ipv6/z1-websense/z1-websense.c
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@ -78,6 +78,12 @@ get_temp(void)
//return ((sht11_sensor.value(SHT11_SENSOR_TEMP) / 10) - 396) / 10;
return temperature_sensor.value(0);
}
//float mytempv = (get_temp()*2.500)/4096;
//float mytemp = (mytempv-0.986)*282;
static float get_mybatt(void){ return (float) ((get_battery()*2.500*2)/4096);}
static float get_mytemp(void){ return (float) (((get_temp()*2.500)/4096)-0.986)*282;}
/*---------------------------------------------------------------------------*/
static const char *TOP = "<html><head><title>Contiki Web Sense</title></head><body>\n";
static const char *BOTTOM = "</body></html>\n";
@ -115,14 +121,18 @@ PT_THREAD(send_values(struct httpd_state *s))
/* Default page: show latest sensor values as text (does not
require Internet connection to Google for charts). */
blen = 0;
float voltage = (get_battery()*2.500*2)/4096;
float temperaturev = (get_temp()*2.500)/4096;
float temperature = (temperaturev-0.986)*282;
//float mybatt = (get_battery()*2.500*2)/4096;
//float mytempv = (get_temp()*2.500)/4096;
//float mytemp = (mytempv-0.986)*282;
float mybatt = get_mybatt();
float mytemp = get_mytemp();
//float mytempv = (get_temp()*2.500)/4096;
//float mytemp = (mytempv-0.986)*282;
ADD("<h1>Current readings</h1>\n"
"Battery: %ld.%03d V<br>"
"Temperature: %ld.%03d &deg; C",
(long) voltage, (unsigned) ((voltage-floor(voltage))*1000),
(long) temperature, (unsigned) ((temperature-floor(temperature))*1000));
(long) mybatt, (unsigned) ((mybatt-floor(mybatt))*1000),
(long) mytemp, (unsigned) ((mytemp-floor(mytemp))*1000));
SEND_STRING(&s->sout, buf);
} else if(s->filename[1] == '0') {
@ -137,10 +147,10 @@ PT_THREAD(send_values(struct httpd_state *s))
} else {
if(s->filename[1] != 't') {
generate_chart("Battery", "Battery", 0, 5000, battery1);
generate_chart("Battery", "mV", 0, 4000, battery1);
SEND_STRING(&s->sout, buf);
}
if(s->filename[1] != 'l') {
if(s->filename[1] != 'b') {
generate_chart("Temperature", "Celsius", 0, 50, temperature);
SEND_STRING(&s->sout, buf);
}
@ -176,8 +186,10 @@ PROCESS_THREAD(web_sense_process, ev, data)
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&timer));
etimer_reset(&timer);
battery1[sensors_pos] = get_battery();;
temperature[sensors_pos] = get_temp();
//battery1[sensors_pos] = get_battery();;
//temperature[sensors_pos] = get_temp();
battery1[sensors_pos] = get_mybatt()*1000;
temperature[sensors_pos] = get_mytemp();
sensors_pos = (sensors_pos + 1) % HISTORY;
}