sakthi priya amirtharaj
i2c working with old hk
Fork of
BAE_vr2_1_1
by 
green rosh
Revision 14:ef6be8ac6569, committed 2014-12-17
- Comitter:
- sakthipriya
- Date:
- Wed Dec 17 06:06:59 2014 +0000
- Parent:
- 13:1b37d98840d3
- Commit message:
- i2c working with old hk
Changed in this revision
diff -r 1b37d98840d3 -r ef6be8ac6569 HK.cpp
--- a/HK.cpp Wed Dec 17 05:25:04 2014 +0000
+++ b/HK.cpp Wed Dec 17 06:06:59 2014 +0000
@@ -1,273 +1,79 @@
#include "HK.h"
- MAX17048 master(A4,A5,100000);//object for battery gauge class--CHECK SDA,SCL LINES,FREQUENCY
- void FUNC_BATTERYGAUGE_INIT();
+DigitalOut SelectLine3 (D4); // MSB of Select Lines
+DigitalOut SelectLine2 (D3);
+DigitalOut SelectLine1 (D2);
+DigitalOut SelectLine0 (D1); // LSB of Select Lines
-//GPIO pins used=> D2-D12, A0-A1
-
-DigitalOut SelectLinesA[]={D2,D3,D4,D5};//to mux1=>voltage mux
-DigitalOut SelectLinesB[]={PTB18,D7,PTB19};//to mux2=>current mux(differential mux) Is this 3 or 4?
-DigitalOut SelectLinesC[]={PTC0,PTC4,PTC6,PTC7};//to mux3=>temp mux
+AnalogIn CurrentInput(A1); // Input from Current Multiplexer
+AnalogIn VoltageInput(A2); // Input from Voltage Multiplexer
+AnalogIn TemperatureInput(A3); // input from Temperature Multiplexer
-//--------------------------------------------MSB is SelectLines[0],LSB is SelectLines[3]--------------------------------
-
-AnalogIn CurrentInput(A0); // Input from Current Mux
-AnalogIn VoltageInput(A1); // Input from Voltage Multiplexer
-AnalogIn TemperatureInput(A2); /*Input from Temperature Multiplexer,thermistor Multiplexer- same multiplexer for both(lines 1-4 for thermistor,line 0 for temperature sensor)*/
-
-
-
-
-int quantiz(float start,float step,float x) // accepts min and measured values and step->quantises on a scale 0-15..(4 bit quantisation)
+SensorData Sensor;
+int quantiz(float start,float step,float x)
{
int y=(x-start)/step;
if(y<=0)y=0;
if(y>=15)y=15;
return y;
}
-
-void init_beacon(ShortBeacy* x,SensorDataQuantised y)
-{
- (*x).Voltage[0]=y.Vcell_soc>>4;//quantised value
- (*x).Temp[0]=y.PanelTemperature[0];//quantised value
- (*x).Temp[1]=y.PanelTemperature[1];//quantised value
- (*x).AngularSpeed[0]=y.AngularSpeed[0];
- (*x).AngularSpeed[1]=y.AngularSpeed[1];
-
- (*x).SubsystemStatus[0]=145;//dummy values----------to be changed-------------------
- (*x).ErrorFlag[0]=3;//dummy values----------to be changed-------------------
+ShortBeacy Shortbeacon;
+void init_beacon(ShortBeacy x){
+ ;
}
- SensorData SensorUQ;
- SensorDataQuantised SensorQuantised;
- ShortBeacy Shortbeacon;
+
-void FUNC_HK_MAIN()
+void FUNC_HK_MAIN()
{
- //define structure variables
-
-
-
+ printf("\nEntered function HK MAIN\n");
- //initialise all selectlines to zeroes->1st line of muxes selected
- SelectLinesA[0]=SelectLinesA[1]=SelectLinesA[2]=SelectLinesA[3]=0;
- SelectLinesB[0]=SelectLinesB[1]=SelectLinesB[2]=0;
- SelectLinesC[0]=SelectLinesC[1]=SelectLinesC[2]=SelectLinesC[3]=0;
+ Shortbeacon.Voltage[0]=1;
+ Shortbeacon.AngularSpeed[0]=2;
+ Shortbeacon.AngularSpeed[1]=3;
+ Shortbeacon.SubsystemStatus[0]=145;
+ Shortbeacon.Temp[0]=1;
+ Shortbeacon.Temp[1]=2;
+ Shortbeacon.Temp[2]=3;
+ Shortbeacon.ErrorFlag[0]=3;
int LoopIterator;
- int SelectLineIterator;
-
- float resistance_thermistor,voltage_thermistor;//for thermistor
+
+ SelectLine0=0;
+ SelectLine1=0;
+ SelectLine2=0;
+ SelectLine3=0;
- //measurement from voltage sensor=> 16 sensors in place
- for(LoopIterator=0; LoopIterator<16; LoopIterator++)
-{
- //following lines read the sensor values and stores them in 'SensorData' structure's variable 'Sensor'
- SensorUQ.Voltage[LoopIterator]=(VoltageInput.read()*3.3*5.545454);//resistors in voltage divider=>15Mohm,3.3Mohm
-
- if(LoopIterator%2==0)
- SensorQuantised.Voltage[LoopIterator/2]=quantiz(vstart,vstep,SensorUQ.Voltage[LoopIterator]);
-
- else
- SensorQuantised.Voltage[(LoopIterator)/2]=SensorQuantised.Voltage[(LoopIterator)/2]<<4+quantiz(vstart,vstep,SensorUQ.Voltage[LoopIterator]);
-
-
-
- // The following lines are used to iterate the select lines from 0 to 15
- //following is an algorithm similar to counting binary numbers of 4 bit
- for(SelectLineIterator=3;SelectLineIterator>=0;SelectLineIterator--)
- {
- if(SelectLinesA[SelectLineIterator]==0)
- {
- SelectLinesA[SelectLineIterator]=1;
- break;
- }
- else SelectLinesA[SelectLineIterator]=0;
-
+ for(LoopIterator=0; LoopIterator<16; LoopIterator++) {
+
+ if(LoopIterator%2==0) {
+ Sensor.Current[LoopIterator/2]=quantiz(cstart,cstep,((CurrentInput.read()*3.18)/(50*rsens)));
+ Sensor.Voltage[LoopIterator/2]=quantiz(vstart,vstep,(VoltageInput.read()*3.18*5.37));
+ Sensor.Temperature[LoopIterator/2]=quantiz(tstart,tstep,(-90.7*3.18*TemperatureInput.read()+190.1543));
+ } else {
+ Sensor.Current[(LoopIterator-1)/2]=(Sensor.Current[(LoopIterator-1)/2]<<4)+quantiz(cstart,cstep,((CurrentInput.read()*3.18)/(50*rsens)));
+ Sensor.Voltage[(LoopIterator-1)/2]=(Sensor.Voltage[(LoopIterator-1)/2]<<4)+quantiz(vstart,vstep,(VoltageInput.read()*3.18*5.37));
+ Sensor.Temperature[(LoopIterator-1)/2]=(Sensor.Temperature[(LoopIterator-1)/2]<<4)+quantiz(tstart,tstep,(-90.7*3.18*TemperatureInput.read()+190.1543));
}
-
-
- wait_us(10.0); // A delay of 10 microseconds between each sensor output. Can be changed.
+// The following lines are used to iterate the select lines from 0 to 15
+ SelectLine0=!(SelectLine0);
- }
-
-
-
-
+ if(LoopIterator%2==1)
+ SelectLine1=!(SelectLine1);
- //measurement from current sensor=> 8 sensors in place
-
- for(LoopIterator=0; LoopIterator<8; LoopIterator++)
-{
- //following lines read the sensor values and stores them in 'SensorData' structure variable 'Sensor'
- SensorUQ.Current[LoopIterator]=(CurrentInput.read()*3.3/(50*rsens));
- if(LoopIterator%2==0)
- SensorQuantised.Current[LoopIterator/2]=quantiz(cstart,cstep,SensorUQ.Current[LoopIterator]);
- else
- SensorQuantised.Current[(LoopIterator)/2]=SensorQuantised.Current[(LoopIterator)/2]<<4+quantiz(cstart,cstep,SensorUQ.Current[LoopIterator]);
-
+ if(LoopIterator%4==3)
+ SelectLine2=!(SelectLine2);
+
+ if(LoopIterator%8==7)
+ SelectLine3=!(SelectLine3);
- // The following lines are used to iterate the select lines from 0 to 7
- //following is an algorithm similar to counting binary numbers of 3 bits
- for(SelectLineIterator=2;SelectLineIterator>=0;SelectLineIterator--)
- {
- if(SelectLinesB[SelectLineIterator]==0)
- {
- SelectLinesB[SelectLineIterator]=1;
- break;
- }
- else SelectLinesB[SelectLineIterator]=0;
-
- }
-
-
wait_us(10.0); // A delay of 10 microseconds between each sensor output. Can be changed.
-}
-
-
-//measurement of temperature
-//temperature measurement=> 4 thermistors, 1 temperature sensor
-//mux line 1=>temp sensor, mux lines 2 to 5 =>thermistors
-
- for(LoopIterator=0; LoopIterator<5; LoopIterator++)
-{
- //following lines read the sensor values and stores them in 'SensorData' structure variable 'Sensor'
- SensorUQ.Temperature[LoopIterator]=(-90.7*3.3*TemperatureInput.read()+190.1543);
- voltage_thermistor=TemperatureInput.read()*3.3;//voltage across thermistor
- resistance_thermistor=24000*voltage_thermistor/(3.3-voltage_thermistor);//resistance of thermistor
- //PanelTemperature will be updated depending on voltage_thermistor value later in the lines to follow
-
- if(LoopIterator%2==0)
- {
- if(LoopIterator<1) //->corresponding to temperature sensor
- SensorQuantised.Temperature[(LoopIterator)/2]=quantiz(tstart,tstep,SensorUQ.Temperature[LoopIterator]);
-
- else //->corresponding to thermistor
- {
- if(voltage_thermistor<1.378) //Temperature>12 degC
- SensorUQ.PanelTemperature[(LoopIterator-1)]=(3694/log(24.032242*resistance_thermistor));
-
- else
- SensorUQ.PanelTemperature[(LoopIterator-1)]=(3365.4792/log(7.60404*resistance_thermistor));
-
-
- SensorQuantised.PanelTemperature[(LoopIterator-1)/2]=quantiz(tstart_thermistor,tstep_thermistor,SensorUQ.PanelTemperature[(LoopIterator-1)]);
-
- }
-
- }
+ }
+
+ printf("\nVoltage is %u\n",Shortbeacon.Voltage[0]);
+ printf("\nCurrent is %u\n",Shortbeacon.Temp[0]);
+
- else
- {
- if(LoopIterator<1)
- SensorQuantised.Temperature[(LoopIterator)/2]=SensorQuantised.Temperature[(LoopIterator)/2]<<4+quantiz(tstart,tstep,SensorUQ.Temperature[LoopIterator]);
-
- else
- {
- if(voltage_thermistor<1.378) //Temperature>12 degC
- SensorUQ.PanelTemperature[LoopIterator-1]=(3694/log(24.032242*resistance_thermistor));
-
-
- else
- SensorUQ.PanelTemperature[LoopIterator-1]=(3365.4792/log(7.60404*resistance_thermistor));
-
- SensorQuantised.PanelTemperature[(LoopIterator-1)/2]=SensorQuantised.PanelTemperature[(LoopIterator-1)/2]<<4+quantiz(tstart_thermistor,tstep_thermistor,SensorUQ.PanelTemperature[LoopIterator-1]);
-
- }
-
- }
-
-
-
-
-// The following lines are used to iterate the select lines from 0 to 4
-
- //following is an algorithm similar to counting binary numbers of 4 bit
- for(SelectLineIterator=3;SelectLineIterator>=0;SelectLineIterator--)
- {
- if(SelectLinesC[SelectLineIterator]==0)
- {
- SelectLinesC[SelectLineIterator]=1;
- break;
- }
- else SelectLinesC[SelectLineIterator]=0;
-
- }
-
-
- wait_us(10.0); // A delay of 10 microseconds between each sensor output. Can be changed.
+ printf("\nExited function HK MAIN\n");
}
-
-
-
- //update battery gauge parameters->
- float batteryparameters[4];//to populate battery parameters of struct variable Sensor
- FUNC_BATTERYGAUGE_MAIN(batteryparameters);//passing array to function
-
- SensorUQ.Vcell=batteryparameters[0];
- SensorUQ.soc=batteryparameters[1];
- SensorUQ.crate=batteryparameters[2];
- SensorUQ.alerts=batteryparameters[3];
-
- SensorQuantised.Vcell_soc=quantiz(Vcell_start,Vcell_step,SensorUQ.Vcell);
- SensorQuantised.Vcell_soc=SensorQuantised.Vcell_soc<<4+quantiz(soc_start,soc_step,SensorUQ.soc);
- SensorQuantised.alerts=SensorUQ.alerts;
- SensorQuantised.crate=quantiz(crate_start,crate_step,SensorUQ.crate);
-
-
- //update magnetometer data->
- //populate values in structure variable 'Sensor' from data to be given by Green
- SensorQuantised.AngularSpeed[0]=quantiz(AngularSpeed_start,AngularSpeed_step,SensorUQ.AngularSpeed[1]);
- SensorQuantised.AngularSpeed[0]=SensorQuantised.AngularSpeed[0]<<4+quantiz(AngularSpeed_start,AngularSpeed_step,SensorUQ.AngularSpeed[0]);
- SensorQuantised.AngularSpeed[1]=quantiz(AngularSpeed_start,AngularSpeed_step,SensorUQ.AngularSpeed[2]);
-
- //update gyro data->
- //populate values in structure variable 'Sensor' from data to be given by Green
- SensorQuantised.Bnewvalue[0]=quantiz(Bnewvalue_start,Bnewvalue_step,SensorUQ.Bnewvalue[1]);
- SensorQuantised.Bnewvalue[0]=SensorQuantised.Bnewvalue[0]<<4+quantiz(Bnewvalue_start,Bnewvalue_step,SensorUQ.Bnewvalue[0]);
- SensorQuantised.Bnewvalue[1]=quantiz(Bnewvalue_start,Bnewvalue_step,SensorUQ.Bnewvalue[2]);
-
-
-
-
- //update beacon structure
- init_beacon(&Shortbeacon,SensorQuantised);//Shortbeacon is passed
-
-
-}
-
-
-void FUNC_BATTERYGAUGE_MAIN(float array[])
-{
- float vcell=master.vcell();
- float soc=master.soc();
- float crate=master.crate();
-
- printf("\nVcell=%f",vcell);
- printf("\nSOC=%f",soc);
- printf("\nC_rate=%f",crate);
-
- array[0]=vcell;
- array[1]=soc;
- array[2]=crate;
- if (master.alerting()== true) //alert is on
- {
- array[3]=master.alertFlags();
- master.clearAlert();//clear alert
- master.clearAlertFlags();//clear all alert flags
- }
-
-
-}
-
-void FUNC_BATTERYGAUGE_INIT()
-{
- master.disable_sleep();
- master.disable_hibernate();
- master.socChangeAlertEnabled(true);//enabling alert on soc changing by 1%
- master.emptyAlertThreshold(1);//giving minimum value to disable it to disabling it----------------------
- master.vAlertMinMaxThreshold();//set min, max value of Valrt register
- master.vResetThresholdSet();//set threshold voltage for reset
- master.vResetAlertEnabled(true);//enable alert on reset for V < Vreset
-}
\ No newline at end of file
diff -r 1b37d98840d3 -r ef6be8ac6569 HK.h
--- a/HK.h Wed Dec 17 05:25:04 2014 +0000
+++ b/HK.h Wed Dec 17 06:06:59 2014 +0000
@@ -1,469 +1,36 @@
-//to be saved as HK.h
-
#include "mbed.h"
#define tstart -40
#define tstep 8
-#define tstep_thermistor 8//verify!!
-#define tstart_thermistor -40
#define vstart 3.3
#define vstep 0.84667
#define cstart 0.0691
#define cstep 0.09133
#define rsens 0.095
-#define Vcell_start 0
-#define Vcell_step 0.56//assuming vcell ranges from 0-8.4
-#define soc_start 0 //========
-#define soc_step 6.6667//assuming soc ranges from 0-100
-#define crate_start 0//------------
-#define crate_step 6.6667//assuming crate ranges from 0-100
-#define Bnewvalue_start -100//in microTesla...max possible field is .0001 T
-#define Bnewvalue_step 13.333
-#define AngularSpeed_start -10//max possible ang. velocity in space is 10 deg/sec
-#define AngularSpeed_step 1.3333
-typedef struct SensorData
-{
- float Voltage[16];
- float Current[8];
- float Temperature[1];
- float PanelTemperature[4];
- float Vcell;
- float soc;
- char alerts;
- //(alerts[0]=1)-> reset indicator=>dont care
- //(alerts[1]=1)-> Vcell>ValrtMax(5.1V)->will always be on->dont care
- //(alerts[2]=1)-> Vcell<ValrtMin(5.1V)->indicates deep discharge
- //(alerts[3]=1)-> Vcell<Vreset(2.5V)
- //(alerts[5]=1)-> Soc CROSSES the threshold value
- //(alerts[6]=1)-> alert on (alerts[3]) enabled when Vcell<Vreset(here we set it to be 2.5V)
- float crate;
- float BatteryTemperature; //to be populated
- char faultpoll; //polled faults
- char faultir; //interrupted faults
- char power_mode; //power modes
-
- float AngularSpeed[3]; //in order x,y,z
- float Bnewvalue[3]; //in order Bx,By,Bz
-
-
-} SensorData;
+
-typedef struct SensorDataQuantised {
- char Voltage[8];
- char Current[4];
- char Temperature[1];
- char PanelTemperature[2];//read by the 4 thermistors on solar panels
- char Vcell_soc;//MSBs correspond to Vcell, LSBs to Soc
- char alerts;//UNQUANTISED
- //(alerts[0]=1)-> reset indicator=>dont care
- //(alerts[1]=1)-> Vcell>ValrtMax(5.1V)->will always be high->dont care
- //(alerts[2]=1)-> Vcell<ValrtMin(5.1V)->indicates deep discharge
- //(alerts[3]=1)-> Vcell<Vreset(2.5V)
- //(alerts[5]=1)-> Soc CROSSES the threshold value
- //(alerts[6]=1)-> alert on (alerts[3]) enabled when Vcell<Vreset(here we set it to be 2.5V)
- char crate;
- char BatteryTemperature; //to be populated
- char faultpoll; //polled faults
- char faultir; //interrupted faults
- char power_mode; //power modes
+struct SensorData {
+ char Voltage[10];
+ char Current[10];
+ char Temperature[10];
+ char faultpoll;
+ char faultir;
+ char power_mode;
+ //float Battery[2];
+};
+
+
+typedef struct ShortBeacon {
+ char Voltage[1];
char AngularSpeed[2];
- char Bnewvalue[2];
-
- //float magnetometer,gyro=>to be addes
-} SensorDataQuantised;
-
-
-typedef struct ShortBeacon
-{
- char Voltage[1]; //battery voltage from gauge, needs to be quantised
- char AngularSpeed[2]; //all the 3 data
- char SubsystemStatus[1]; //power modes
- char Temp[2]; //temp of solar panel
- //Temp[0]'s LSB=> PanelTemperature[0], Temp[0]'s MSB=> PanelTemperature[1], Temp[1]'s LSB=> PanelTemperature[2], Temp[1]'s MSB=> PanelTemperature[3]
- char ErrorFlag[1]; //fault
-}ShortBeacy;
-
-
+ char SubsystemStatus[1];
+ char Temp[3];
+ char ErrorFlag[1];
+}ShortBeacy;
+
void FUNC_HK_MAIN();
int quantiz(float start,float step,float x);
-void init_beacon(ShortBeacy* x,SensorDataQuantised y);
-
-
-//--------------------------------following is header details for battery gauge-------------------------------------------
-
-
-
-#define MAX17048_H
-
-class MAX17048
-{
-public:
- /** The default compensation value for the MAX17048
- */
- static const char RCOMP0= 0x97;
-
- /** Represents the different alert flags for the MAX17048
- */
- enum AlertFlags {
- ALERT_RI = (1 << 0), /**< Reset indicator */
- ALERT_VH = (1 << 1), /**< Voltage high alert */
- ALERT_VL = (1 << 2), /**< Voltage low alert */
- ALERT_VR = (1 << 3), /**< Voltage reset alert */
- ALERT_HD = (1 << 4), /**< SOC low alert */
- ALERT_SC = (1 << 5) /**< SOC change alert */
- };
-
- //parametrised constructor
- MAX17048(PinName sda, PinName scl, int hz = 400000): m_I2C(sda, scl)//should it be same as the uC clock freq
- {
- //Set the I2C bus frequency
- m_I2C.frequency(hz);
- }
-
- // Probe for the MAX17048 and indicate if it's present on the bus
- bool open()
- {
- //Probe for the MAX17048 using a Zero Length Transfer
- if (!m_I2C.write(m_ADDR, NULL, 0)) {
- //Return success
- return true;
- } else {
- //Return failure
- return false;
- }
- }
-
-
- // Command the MAX17048 to perform a power-on reset
- void reset()
- {
- //Write the POR command
- write(REG_CMD, 0x5400);
- }
-
- // Command the MAX17048 to perform a QuickStart
- void quickStart()
- {
- //Read the current 16-bit register value
- unsigned short value = read(REG_MODE);
-
- //Set the QuickStart bit
- value |= (1 << 14);
-
- //Write the value back out
- write(REG_MODE, value);
- }
-
- //disable sleep
- void disable_sleep()
- {
- unsigned short value = read(REG_MODE);
- value &= ~(1 << 13);
- write(REG_MODE, value);
- }
-
- //disable the hibernate of the MAX17048
- void disable_hibernate()
- {
- write(REG_HIBRT, 0x0000);
- }
-
- // Determine whether or not the SOC 1% change alert is enabled on the MAX17048
- bool socChangeAlertEnabled()
- {
- //Read the 16-bit register value
- unsigned short value = read(REG_CONFIG);
-
- //Return the status of the ALSC bit
- if (value & (1 << 6))
- return true;
- else
- return false;
- }
-
- // Enable or disable the SOC 1% change alert on the MAX17048
- void socChangeAlertEnabled(bool enabled)
- {
- //Read the current 16-bit register value
- unsigned short value = read(REG_CONFIG);
-
- //Set or clear the ALSC bit
- if (enabled)
- value |= (1 << 6);
- else
- value &= ~(1 << 6);
-
- //Write the value back out
- write(REG_CONFIG, value);
-}
-
- // Determine whether or not the MAX17048 is asserting the ALRT pin
- bool alerting()
- {
- //Read the 16-bit register value
- unsigned short value = read(REG_CONFIG);
-
- //Return the status of the ALRT bit
- if (value & (1 << 5))
- return true;
- else
- return false;
- }
-
- // Command the MAX17048 to de-assert the ALRT pin
- void clearAlert()
- {
- //Read the current 16-bit register value
- unsigned short value = read(REG_CONFIG);
-
- //Clear the ALRT bit
- value &= ~(1 << 5);
-
- //Write the value back out
- write(REG_CONFIG, value);
- }
- // return The current SOC empty alert threshold in %.
- char emptyAlertThreshold()
- {
- //Read the 16-bit register value
- unsigned short value = read(REG_CONFIG);
-
- //Extract the threshold
- return 32 - (value & 0x001F);
- }
-
- //Set the SOC empty alert threshold of the MAX17048
- void emptyAlertThreshold(char threshold)
- {
- //Read the current 16-bit register value
- unsigned short value = read(REG_CONFIG);
-
- //Update the register value
- value &= 0xFFE0;
- value |= 32 - threshold;
-
- //Write the 16-bit register
- write(REG_CONFIG, value);
- }
- //return The current low voltage alert threshold in volts.
- float vAlertMinThreshold()
- {
- //Read the 16-bit register value
- unsigned short value = read(REG_VALRT);
-
- //Extract the alert threshold
- return (value >> 8) * 0.02;//least count is 20mV
- }
- // Set the low and high voltage alert threshold of the MAX17048
- void vAlertMinMaxThreshold()
- {
- //Read the current 16-bit register value
- unsigned short value = read(REG_VALRT);
-
- //Mask off the old value
-
- value = 0xFFFF;
-
- //Write the 16-bit register
- write(REG_VALRT, value);
- }
-
- //return The current high voltage alert threshold in volts.
- float vAlertMaxThreshold()
- {
- //Read the 16-bit register value
- unsigned short value = read(REG_VALRT);
-
- //Extract the active threshold
- return (value & 0x00FF) * 0.02;
- }
-
- //return The current reset voltage threshold in volts.
- float vResetThreshold()
- {
- //Read the 16-bit register value
- unsigned short value = read(REG_VRESET_ID);
-
- //Extract the threshold
- return (value >> 9) * 0.04;
- }
-
- // Set the reset voltage threshold of the MAX17048
- void vResetThresholdSet()
- {
- //Read the current 16-bit register value
- unsigned short value = read(REG_VRESET_ID);
-
- //Mask off the old //value
- value &= 0x00FF;//Dis=0
-
- value |= 0x7C00;//corresponding to 2.5 V
-
-
- //Write the 16-bit register
- write(REG_VRESET_ID, value);
- }
-
- // Get the factory programmed 8-bit ID of the MAX17048
- char id()
- {
- //Read the 16-bit register value
- unsigned short value = read(REG_VRESET_ID);
-
- //Return only the ID bits
- return value;
- }
-
- // Determine whether or not the voltage reset alert is enabled on the MAX17048
- bool vResetAlertEnabled()
- {
- //Read the 16-bit register value
- unsigned short value = read(REG_STATUS);
-
- //Return the status of the EnVR bit
- if (value & (1 << 14))
- return true;
- else
- return false;
- }
-
- // Enable or disable the voltage reset alert on the MAX17048
- void vResetAlertEnabled(bool enabled)
- {
- //Read the current 16-bit register value
- unsigned short value = read(REG_STATUS);
-
- //Set or clear the EnVR bit
- if (enabled)
- value |= (1 << 14);
- else
- value &= ~(1 << 14);
-
- //Write the value back out
- write(REG_STATUS, value);
- }
-
- //Get the current alert flags on the MAX17048
- //refer datasheet-status registers section to decode it.
- char alertFlags()
- {
- //Read the 16-bit register value
- unsigned short value = read(REG_STATUS);
-
- //Return only the flag bits
- return (value >> 8) & 0x3F;
- }
-
- // Clear all the alert flags on the MAX17048
- void clearAlertFlags()
- {
- //Read the current 16-bit register value
- unsigned short value = read(REG_STATUS);
-
- //Clear the specified flag bits
- value &= ~( 0x3F<< 8);
-
- //Write the value back out
- write(REG_STATUS, value);
- }
-
- // Get the current cell voltage measurement of the MAX17048
- float vcell()
- {
- //Read the 16-bit raw Vcell value
- unsigned short value = read(REG_VCELL);
-
- //Return Vcell in volts
- return value * 0.000078125;
- }
-
- // Get the current state of charge measurement of the MAX17048 as a float
- float soc()
- {
- //Read the 16-bit raw SOC value
- unsigned short value = read(REG_SOC);
-
- //Return SOC in percent
- return value * 0.00390625;
- }
-
- // Get the current state of charge measurement of the MAX17048 as an int
- int soc_int()
- {
- //Read the 16-bit raw SOC value
- unsigned short value = read(REG_SOC);
-
- //Return only the top byte
- return value >> 8;
- }
-
- // Get the current C rate measurement of the MAX17048
- float crate()
- {
- //Read the 16-bit raw C/Rate value
- short value = read(REG_CRATE);
-
- //Return C/Rate in %/hr
- return value * 0.208;
- }
-
-
- //I2C register addresses
- enum Register {
- REG_VCELL = 0x02,
- REG_SOC = 0x04,
- REG_MODE = 0x06,
- REG_VERSION = 0x08,
- REG_HIBRT = 0x0A,
- REG_CONFIG = 0x0C,
- REG_VALRT = 0x14,
- REG_CRATE = 0x16,
- REG_VRESET_ID = 0x18,
- REG_STATUS = 0x1A,
- REG_TABLE = 0x40,
- REG_CMD = 0xFE
- };
-
- //Member constants
- static const int m_ADDR=(0x36 << 1);
-
- //Member variables
- I2C m_I2C;
-
- //Internal functions
- unsigned short read(char reg)
- {
- //Create a temporary buffer
- char buff[2];
-
- //Select the register
- m_I2C.write(m_ADDR, ®, 1, true);
-
- //Read the 16-bit register
- m_I2C.read(m_ADDR, buff, 2);
-
- //Return the combined 16-bit value
- return (buff[0] << 8) | buff[1];
- }
-
-
- void write(char reg, unsigned short data)
- {
- //Create a temporary buffer
- char buff[3];
-
- //Load the register address and 16-bit data
- buff[0] = reg;
- buff[1] = data >> 8;
- buff[2] = data;
-
- //Write the data
- m_I2C.write(m_ADDR, buff, 3);
- }
-};
-
-
- void FUNC_BATTERYGAUGE_MAIN(float[]);
+
diff -r 1b37d98840d3 -r ef6be8ac6569 beacon.cpp --- a/beacon.cpp Wed Dec 17 05:25:04 2014 +0000 +++ b/beacon.cpp Wed Dec 17 06:06:59 2014 +0000 @@ -19,7 +19,7 @@ #include "HK.h" Serial chavan(USBTX, USBRX); // tx, rx SPI spi(PTD6,PTD7,PTD5); // mosi, miso, sclk -DigitalOut cs_bar(D5); //slave select or chip select +DigitalOut cs_bar(PTC11); //slave select or chip select //InterruptIn button(p9); //#define TIMES 16 //Timer t;
diff -r 1b37d98840d3 -r ef6be8ac6569 fault.cpp
--- a/fault.cpp Wed Dec 17 05:25:04 2014 +0000
+++ b/fault.cpp Wed Dec 17 06:06:59 2014 +0000
@@ -42,7 +42,7 @@
BusOut clear_ir(FAULT_CLEAR5,FAULT_CLEAR6,FAULT_CLEAR7,FAULT_CLEAR8,FAULT_CLEAR9);
-extern SensorDataQuantised SensorQuantised;
+extern SensorData Sensor;
extern int beacon_sc; //to switch beacon between low and high power mode
extern int acs_pflag; //to activate/deactivate control algo
char out_poll;
@@ -94,9 +94,9 @@
out_poll = clear_poll;
out_ir = clear_ir;
- SensorQuantised.faultpoll = fault_poll ;
- SensorQuantised.faultir=fault_ir ;
- printf(" %d , %d \n %d , %d\n",SensorQuantised.faultpoll, SensorQuantised.faultir , out_poll , out_ir) ;
+ Sensor.faultpoll = fault_poll ;
+ Sensor.faultir=fault_ir ;
+ printf(" %d , %d \n %d , %d\n",Sensor.faultpoll, Sensor.faultir , out_poll , out_ir) ;
}
diff -r 1b37d98840d3 -r ef6be8ac6569 main.cpp
--- a/main.cpp Wed Dec 17 05:25:04 2014 +0000
+++ b/main.cpp Wed Dec 17 06:06:59 2014 +0000
@@ -40,7 +40,7 @@
typedef struct
{
- char data[21]; // To avoid dynamic memory allocation
+ char data[18]; // To avoid dynamic memory allocation
int length;
}i2c_data;
@@ -56,19 +56,19 @@
//TASK 2 : HK
//--------------------------------------------------------------------------------------------------------------------------------------------------
-char hk_data[21];
-extern SensorDataQuantised SensorQuantised;
+char hk_data[18];
+extern SensorData Sensor;
void t_hk_acq(void const *args)
{
while(1)
{
Thread::signal_wait(0x2);
- SensorQuantised.power_mode='0';
+ Sensor.power_mode='0';
printf("\nTHIS IS HK %f\n",t1.read());
t.start();
FAULTS();
- POWER(SensorQuantised.power_mode); //The power mode algorithm is yet to be obtained
+ POWER(Sensor.power_mode); //The power mode algorithm is yet to be obtained
FUNC_HK_MAIN(); //Collecting HK data
//thread_2.signal_set(0x4);
//FUNC_I2C_SLAVE_MAIN(24);
@@ -204,7 +204,7 @@
}
}*/
-extern SensorDataQuantised SensorQuantised;
+extern SensorData Sensor;
/*void T_FAULT(void const *args)
@@ -303,7 +303,7 @@
printf("\ndone\n\r");
}
-char data_send[21],data_receive[21];
+char data_send[18],data_receive[18];
void T_I2C_BAE()
{
//char data_send,data_receive;
@@ -316,10 +316,10 @@
if(i2c_status == 0 && reset !=1)
{
- FUNC_I2C_WRITE2CDMS(data_receive,21);
+ FUNC_I2C_WRITE2CDMS(data_receive,18);
i2c_data * i2c_data_r = i2c_data_receive.alloc();
strcpy(i2c_data_r->data,data_receive);
- i2c_data_r->length = 21;
+ i2c_data_r->length = 18;
i2c_data_receive.put(i2c_data_r);
printf("\n Data received from CDMS is %s \n\r",data_receive);
i2c_data_receive.free(i2c_data_r); // This has to be done from a differen thread
@@ -332,7 +332,7 @@
{
i2c_data *i2c_data_s = (i2c_data*)evt.value.p;
strcpy(data_send,i2c_data_s -> data);
- FUNC_I2C_WRITE2CDMS(data_send,21);
+ FUNC_I2C_WRITE2CDMS(data_send,18);
printf("\nData sent to CDMS is %s\n\r",data_send);
i2c_data_send.free(i2c_data_s);
i2c_status = 0;
@@ -360,20 +360,21 @@
-char fdata[8] = {SensorQuantised.Vcell_soc,SensorQuantised.alerts,SensorQuantised.crate,SensorQuantised.BatteryTemperature,SensorQuantised.faultpoll,SensorQuantised.faultir, SensorQuantised.power_mode};
void ir2master()
{
- //char data[21];
+ //char data[18];
//strcpy(data,"sakthi ");
//strcat(data,"priya");
- strcpy(hk_data,SensorQuantised.Voltage);
- strcat(hk_data,SensorQuantised.Temperature); //Sending to CDMS via I2C
- strcat(hk_data,SensorQuantised.Current);
- strcat(hk_data,SensorQuantised.PanelTemperature);
- strcat(hk_data,SensorQuantised.AngularSpeed);
- strcat(hk_data,SensorQuantised.Bnewvalue);
+ strcpy(hk_data,Sensor.Voltage);
+ strcat(hk_data,Sensor.Temperature); //Sending to CDMS via I2C
+ strcat(hk_data,Sensor.Current);
+ //strcat(hk_data,SensorQuantised.PanelTemperature);
+ //strcat(hk_data,SensorQuantised.AngularSpeed);
+ //strcat(hk_data,SensorQuantised.Bnewvalue);
+ char fdata[8] = {Sensor.faultpoll,Sensor.faultir,Sensor.power_mode};
+
/*strcat(hk_data,sfaultpoll);
strcat(hk_data,sfaultir);
strcat(hk_data,spower_mode);*/
@@ -385,7 +386,7 @@
i2c_status=1;
i2c_data * i2c_data_s = i2c_data_send.alloc();
strcpy(i2c_data_s->data,hk_data);
- i2c_data_s->length = 21;
+ i2c_data_s->length = 18;
i2c_data_send.put(i2c_data_s);
data_ready=1;
//temp = i2c_status;