#include "common.h"
#include "sensor.h"
#include "options.h"
-#include "gpio.h"
+#include "bbb_pin.h"
#include <math.h>
/** Array of sensors, initialised by Sensor_Init **/
//Max Safety, Min safety, Max warning, Min warning
{1,-1,1,-1}, // ANALOG_TEST0
{500,0,499,0}, // ANALOG_TEST1
+ {5000,0,5000,0}, // ANALOG_REALTEST
{5,-5,4,-4}, // ANALOG_FAIL0
- {500,0,499,0}, // ANALOG_REALTEST
{1,0,1,0}, // DIGITAL_TEST0
{1,0,1,0}, // DIGITAL_TEST1
{1,0,1,0}, // DIGITAL_REALTEST
{
g_sensors[i].id = i;
Data_Init(&(g_sensors[i].data_file));
- g_sensors[i].record_data = false;
}
+
+ // Get the ADCs
+ ADC_Export();
+
+ // GPIO1_28 used as a pulse for sampling
+ GPIO_Export(GPIO1_28);
+ // GPIO0_30 toggled during sampling
+ GPIO_Export(GPIO0_30);
}
/**
// Set filename
char filename[BUFSIZ];
const char *experiment_name = (const char*) arg;
- int ret;
if (snprintf(filename, BUFSIZ, "%s_s%d", experiment_name, s->id) >= BUFSIZ)
{
Log(LOGDEBUG, "Sensor %d with DataFile \"%s\"", s->id, filename);
// Open DataFile
Data_Open(&(s->data_file), filename);
-
- s->activated = true;
- s->record_data = true; // Don't forget this!
+ }
+ case CONTROL_RESUME: //Case fallthrough, no break before
+ {
+ int ret;
+ s->activated = true; // Don't forget this!
// Create the thread
ret = pthread_create(&(s->thread), NULL, Sensor_Loop, (void*)(s));
{
Fatal("Failed to create Sensor_Loop for Sensor %d", s->id);
}
+
+ Log(LOGDEBUG, "Resuming sensor %d", s->id);
}
- break;
+ break;
+
case CONTROL_EMERGENCY:
case CONTROL_PAUSE:
- s->record_data = false;
- break;
- case CONTROL_RESUME:
- s->record_data = true;
- break;
- case CONTROL_STOP:
s->activated = false;
- s->record_data = false;
pthread_join(s->thread, NULL);
+ Log(LOGDEBUG, "Paused sensor %d", s->id);
+ break;
+
+ case CONTROL_STOP:
+ if (s->activated) //May have been paused before
+ {
+ s->activated = false;
+ pthread_join(s->thread, NULL);
+ }
Data_Close(&(s->data_file)); // Close DataFile
s->newest_data.time_stamp = 0;
s->newest_data.value = 0;
+ Log(LOGDEBUG, "Stopped sensor %d", s->id);
break;
default:
Fatal("Unknown control mode: %d", mode);
{
if( value > thresholds[id].max_error || value < thresholds[id].min_error)
{
- Log(LOGERR, "Sensor %s is above or below its safety value of %f or %f\n", g_sensor_names[id],thresholds[id].max_error, thresholds[id].min_error);
+ Log(LOGERR, "Sensor %s at %f is above or below its safety value of %f or %f\n", value, g_sensor_names[id],thresholds[id].max_error, thresholds[id].min_error);
//new function that stops actuators?
+ //Control_SetMode(CONTROL_EMERGENCY, NULL)
}
else if( value > thresholds[id].max_warn || value < thresholds[id].min_warn)
{
- Log(LOGWARN, "Sensor %s is above or below its warning value of %f or %f\n", g_sensor_names[id],thresholds[id].max_warn, thresholds[id].min_warn);
+ Log(LOGWARN, "Sensor %s at %f is above or below its warning value of %f or %f\n", value, g_sensor_names[id],thresholds[id].max_warn, thresholds[id].min_warn);
}
}
gettimeofday(&t, NULL);
d->time_stamp = TIMEVAL_DIFF(t, *Control_GetStartTime());
+ static bool result = true;
+
+
// Read value based on Sensor Id
switch (s->id)
{
+ case ANALOG_REALTEST:
+ {
+ static bool set = false;
+
+ GPIO_Set(GPIO0_30, true);
+ d->value = 0;//(double)ADC_Read(ADC0); //ADC #0 on the Beaglebone
+ //Log(LOGDEBUG, "Got value %f from ADC0", d->value);
+ GPIO_Set(GPIO0_30, false);
+ set = !set;
+ GPIO_Set(GPIO1_28, set);
+
+ break;
+ }
+
+ default:
+ d->value = rand() % 2;
+ usleep(1000000);
+ break;
+
+
case ANALOG_TEST0:
{
d->value = (double)(rand() % 100) / 100;
d->value = count++;
break;
}
- case ANALOG_REALTEST:
- {
- //d->value = ADCRead(0); //ADC #0 on the Beaglebone
- break;
- }
+
case ANALOG_FAIL0:
- d->value = 250;
+ d->value = 0;
//d->value = (double)(rand() % 6) * -( rand() % 2) / ( rand() % 100 + 1);
//Gives a value between -5 and 5
break;
case DIGITAL_TEST0:
d->value = t.tv_sec % 2;
+
break;
case DIGITAL_TEST1:
d->value = (t.tv_sec+1)%2;
d->value = rand() % 2;
//Gives 0 or 1 or a 2 every 1/100 times
break;
- default:
- Fatal("Unknown sensor id: %d", s->id);
- break;
+ //default:
+ // Fatal("Unknown sensor id: %d", s->id);
+ // break;
}
- usleep(100000); // simulate delay in sensor polling
+
// Perform sanity check based on Sensor's ID and the DataPoint
Sensor_CheckData(s->id, d->value);
// Update latest DataPoint if necessary
- bool result = (d->value != s->newest_data.value);
+
if (result)
{
s->newest_data.time_stamp = d->time_stamp;
// Until the sensor is stopped, record data points
while (s->activated)
{
- if (s->record_data)
- {
- DataPoint d;
- //Log(LOGDEBUG, "Sensor %d reads data [%f,%f]", s->id, d.time_stamp, d.value);
- if (Sensor_Read(s, &d)) // If new DataPoint is read:
- {
- //Log(LOGDEBUG, "Sensor %d saves data [%f,%f]", s->id, d.time_stamp, d.value);
- Data_Save(&(s->data_file), &d, 1); // Record it
- }
- }
- else
+ DataPoint d;
+ //Log(LOGDEBUG, "Sensor %d reads data [%f,%f]", s->id, d.time_stamp, d.value);
+ if (Sensor_Read(s, &d)) // If new DataPoint is read:
{
- //Do something? wait?
- usleep(100000);
+ //Log(LOGDEBUG, "Sensor %d saves data [%f,%f]", s->id, d.time_stamp, d.value);
+ Data_Save(&(s->data_file), &d, 1); // Record it
}
}
case JSON:
FCGI_BeginJSON(context, STATUS_OK);
FCGI_JSONLong("id", id);
+ FCGI_JSONPair("name", g_sensor_names[id]);
break;
default:
FCGI_PrintRaw("Content-type: text/plain\r\n\r\n");
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