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-rwxr-xr-xsource/Concept/Framework/modules/input/distance_sensor.c176
-rwxr-xr-xsource/Concept/Framework/modules/input/distance_sensor.h102
2 files changed, 206 insertions, 72 deletions
diff --git a/source/Concept/Framework/modules/input/distance_sensor.c b/source/Concept/Framework/modules/input/distance_sensor.c
index e6fd3f8..1ab3755 100755
--- a/source/Concept/Framework/modules/input/distance_sensor.c
+++ b/source/Concept/Framework/modules/input/distance_sensor.c
@@ -1,41 +1,145 @@
#include "distance_sensor.h"
+
+/*!
+ * SRF10 initialsieren
+ */
+
+void Distance_Sensor::srf10_init(void){
+ srf10_set_range(SRF10_MAX_RANGE);
+ //srf10_set_range(6); //Mit diesem Wert muss man spielen um das Optimum zu ermitteln
+return;
+}
+
+/*!
+ * Verstaerkungsfaktor setzen
+ * @param gain Verstaerkungsfaktor
+ */
+
+void Distance_Sensor::srf10_set_gain(unsigned char gain){
+ if(gain>16) { gain=16; }
+
+ uint8 temp[2];
+ uint8 state;
+ tx_type tx_frame[2];
+
+ state = SUCCESS;
+
+ tx_frame[0].slave_adr = this->slaveAddr+W;
+ tx_frame[0].size = 2;
+ tx_frame[0].data_ptr = temp;
+ tx_frame[0].data_ptr[0] = 1;
+ tx_frame[0].data_ptr[1] = gain;
+
+ tx_frame[1].slave_adr = OWN_ADR;
+
+ state = Send_to_TWI(tx_frame);
+}
+
+/*!
+ * Reichweite setzen, hat auch Einfluss auf die Messdauer
+ * @param millimeters Reichweite in mm
+ */
+
+void Distance_Sensor::srf10_set_range(unsigned int millimeters){
+ uint8 temp[2];
+ uint8 state;
+ tx_type tx_frame[2];
+
+ state = SUCCESS;
+
+ millimeters= (millimeters/43);
+
+ tx_frame[0].slave_adr = this->slaveAddr+W;
+ tx_frame[0].size = 2;
+ tx_frame[0].data_ptr = temp;
+ tx_frame[0].data_ptr[0] = 2;
+ tx_frame[0].data_ptr[1] = millimeters;
+
+ tx_frame[1].slave_adr = OWN_ADR;
+
+ state = Send_to_TWI(tx_frame);
+}
+
+/*!
+ * Messung ausloesen
+ * @param metric_unit 0x50 in Zoll, 0x51 in cm, 0x52 ms
+ * @return Resultat der Aktion
+ */
+
+uint8 Distance_Sensor::srf10_ping(uint8 metric_unit){
+ uint8 temp[2];
+ uint8 state;
+ tx_type tx_frame[2];
+
+ state = SUCCESS;
+
+ tx_frame[0].slave_adr = this->slaveAddr+W;
+ tx_frame[0].size = 2;
+ tx_frame[0].data_ptr = temp;
+ tx_frame[0].data_ptr[0] = SRF10_COMMAND;
+ tx_frame[0].data_ptr[1] = metric_unit;
+
+ tx_frame[1].slave_adr = OWN_ADR;
+
+ state = Send_to_TWI(tx_frame);
+
+ return state;
+}
+
+/*!
+ * Register auslesen
+ * @param srf10_register welches Register soll ausgelsen werden
+ * @return Inhalt des Registers
+ */
+
+uint8 Distance_Sensor::srf10_read_register(uint8 srf10_register){
+ uint8 temp;
+ uint8 value;
+ uint8 state;
+ tx_type tx_frame[3];
+
+ state = SUCCESS;
+ value = 0;
+
+ tx_frame[0].slave_adr = this->slaveAddr+W;
+ tx_frame[0].size = 1;
+ tx_frame[0].data_ptr = &temp;
+ tx_frame[0].data_ptr[0] = srf10_register;
+
+ tx_frame[1].slave_adr = this->slaveAddr+R;
+ tx_frame[1].size = 1;
+ tx_frame[1].data_ptr = &value;
+
+ tx_frame[2].slave_adr = OWN_ADR;
+
+ state = Send_to_TWI(tx_frame);
+
+ return value;
+}
+
+/*!
+ * Messung starten Ergebniss aufbereiten und zurueckgeben
+ * @return Messergebniss
+ */
+
+uint16 Distance_Sensor::srf10_get_measure(){
+ char hib;
+ char lob;
+ char state;
+
+ state = SUCCESS;
+
+ state = srf10_ping(SRF10_CENTIMETERS);
+ usleep(10); //Optimierungs Potential
+ lob=srf10_read_register(SRF10_LOB);
+ usleep(10); //Optimierungs Potential
+ hib=srf10_read_register(SRF1sr0_HIB);
+
+ return (hib*256)+lob;
+}
//-----------------------------------------------------------------------------
-float Distance_Sensor::GetDistance()
+uint16 Distance_Sensor::GetDistance()
{
- uint32 result = 0;
-
- //(parent->GetModule<Display>(IO_DISPLAY_MAIN))->Print("Gen Pulse; Pin:",1,4);
- //(parent->GetModule<Display>(IO_DISPLAY_MAIN))->Print((int)(*hardwarePin & pin));
-
- msleep(500);
-
- //Generate pulse
- *hardwareDDR |= pin;//Set pin output
- *hardwarePort |= pin;//Activate port
- usleep(10);//Wait for 10µs
- *hardwareDDR &= ~pin;//Set pin input
- *hardwarePort &= ~pin;//Deactivate port
-
- //(parent->GetModule<Display>(IO_DISPLAY_MAIN))->Print("Wait response; Pin:",1,4);
- //(parent->GetModule<Display>(IO_DISPLAY_MAIN))->Print((int)(*hardwarePin & pin));
-
- uint16 i;
- //Wait for response
- for(i = 0; (!(*hardwarePin & pin)) && (i < 1000); i++) { asm volatile("nop"); }
-
- //Calculate duration of response
- while((*hardwarePin & pin)&&(result < 300000))
- {
- result++;
- asm volatile("nop");
- asm volatile("nop");
- asm volatile("nop");
- asm volatile("nop");
- asm volatile("nop");
- asm volatile("nop");
- asm volatile("nop");
- }
-
- return (float(result) * DISTANCE_PER_VALUE);
+ return srf10_get_measure();
}
diff --git a/source/Concept/Framework/modules/input/distance_sensor.h b/source/Concept/Framework/modules/input/distance_sensor.h
index 8e6aa21..9efa021 100755
--- a/source/Concept/Framework/modules/input/distance_sensor.h
+++ b/source/Concept/Framework/modules/input/distance_sensor.h
@@ -2,7 +2,21 @@
#define _DISTANCE_SENSOR_H
#include "../../stdafx.h"
-#include "sensor.h"
+#include "sensor.h"
+
+#define SRF10_MIN_GAIN 0 /*!< setze Verstaerung auf 40 */
+#define SRF10_MAX_GAIN 16 /*!< setze Verstaerung auf 700 */
+#define SRF10_MIN_RANGE 0 /*!< Minimale Reichweite 43mm */
+#define SRF10_MAX_RANGE 5977 /*!< Maximale Reichweite 5977mm */
+
+#define SRF10_INCHES 0X50 /*!< Messung in INCHES */
+#define SRF10_CENTIMETERS 0X51 /*!< Messung in CM */
+#define SRF10_MICROSECONDS 0X52 /*!< Messung in Millisekunden */
+
+#define SRF10_COMMAND 0 /*!< W=Befehls-Register R=Firmware*/
+#define SRF10_LIGHT 1 /*!< W=Verstaerkungsfaktor R=Nicht benutzt */
+#define SRF10_HIB 2 /*!< W=Reichweite R=Messung High-Byte */
+#define SRF10_LOB 3 /*!< W=Nicht benutzt R=Messung Low-Byte */
class Distance_Sensor : public Sensor
{
@@ -10,11 +24,8 @@ public:
Distance_Sensor()
{
this->parent = NULL;
- this->moduleId = 0;
- this->hardwarePort = NULL;
- this->hardwareDDR = NULL;
- this->hardwarePin = NULL;
- this->pin = 0;
+ this->moduleId = 0;
+ this->slaveAddr = 0; // Set the I2C Slave-Adress
}
Distance_Sensor(uint32 sensorId)
@@ -24,45 +35,64 @@ public:
switch(sensorId)
{
- case IO_SENSOR_DISTANCE_0_DEG:
- this->hardwarePort = &PORTC;
- this->hardwareDDR = &DDRC;
- this->hardwarePin = &PINC;
- this->pin = (1 << 0);
+ case IO_SENSOR_DISTANCE_0_DEG:
+ this->slaveAddr = 0xE0; // Set the I2C Slave-Adress
break;
- case IO_SENSOR_DISTANCE_90_DEG:
- this->hardwarePort = &PORTC;
- this->hardwareDDR = &DDRC;
- this->hardwarePin = &PINC;
- this->pin = (1 << 1);
+ case IO_SENSOR_DISTANCE_90_DEG:
+ this->slaveAddr = 0xE2;
break;
- case IO_SENSOR_DISTANCE_180_DEG:
- this->hardwarePort = &PORTC;
- this->hardwareDDR = &DDRC;
- this->hardwarePin = &PINC;
- this->pin = (1 << 2);
+ case IO_SENSOR_DISTANCE_180_DEG:
+ this->slaveAddr = 0xE4;
break;
- case IO_SENSOR_DISTANCE_270_DEG:
- this->hardwarePort = &PORTC;
- this->hardwareDDR = &DDRC;
- this->hardwarePin = &PINC;
- this->pin = (1 << 3);
+ case IO_SENSOR_DISTANCE_270_DEG:
+ this->slaveAddr = 0xE6;
break;
- default:
- this->hardwarePort = NULL;
- this->hardwareDDR = NULL;
- this->hardwarePin = NULL;
- this->pin = 0;
+ default:
+ this->slaveAddr = 0;
break;
}
}
protected:
- //Hardware
- volatile uint8* hardwarePort;
- volatile uint8* hardwareDDR;
- volatile uint8* hardwarePin;
- uint8 pin;
+ //Hardware
+ slaveAddr;
+
+ /*!
+ * SRF10 initialsieren
+ */
+extern void srf10_init(void);
+
+/*!
+ * Verstaerkungsfaktor setzen
+ * @param gain Verstaerkungsfaktor
+ */
+extern void srf10_set_gain(uint8 gain);
+
+/*!
+ * Reichweite setzen, hat auch Einfluss auf die Messdauer
+ * @param millimeters Reichweite in mm
+ */
+extern void srf10_set_range(uint16 millimeters);
+
+/*!
+ * Messung ausloesen
+ * @param metric_unit 0x50 in Zoll, 0x51 in cm, 0x52 ms
+ * @return Resultat der Aktion
+ */
+extern uint8 srf10_ping(uint8 metric_unit);
+
+/*!
+ * Register auslesen
+ * @param srf10_register welches Register soll ausgelsen werden
+ * @return Inhalt des Registers
+ */
+extern uint8 srf10_read_register(uint8 SRF10_register);
+
+/*!
+ * Messung starten Ergebniss aufbereiten und zurueckgeben
+ * @return Messergebniss
+ */
+extern uint16 srf10_get_measure(void);
public:
float GetDistance();