Chaitanya Viswa
/
green_BAE_all_combined_week6
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Fork of
all_combined_week6
by 
green rosh
Revision 7:47e07755d9a4, committed 2014-09-18
- Comitter:
- viswachaitanya
- Date:
- Thu Sep 18 10:29:33 2014 +0000
- Parent:
- 6:82153349cc9b
- Commit message:
- working bae code with i2c
Changed in this revision
--- a/ACS.cpp Tue Jul 15 10:04:38 2014 +0000 +++ b/ACS.cpp Thu Sep 18 10:29:33 2014 +0000 @@ -1,8 +1,8 @@ #include "ACS.h" -PwmOut PWM1(p6); //Functions used to generate PWM signal - //PWM output comes from pins p6 +PwmOut PWM1(p5); //Functions used to generate PWM signal + //PWM output comes from pins p6 Serial pc1(USBTX, USBRX);
--- a/main.cpp Tue Jul 15 10:04:38 2014 +0000
+++ b/main.cpp Thu Sep 18 10:29:33 2014 +0000
@@ -58,7 +58,7 @@
printf("The state of acs_write2flash thread is %d\n",ptr_t_acs_write2flash->get_state());
printf("The state of beacon thread is %d\n",ptr_t_bea->get_state());*/
- //FUNC_I2C_SLAVE_MAIN(24);
+ FUNC_I2C_SLAVE_MAIN(24);
printf("The time to execute send2cdms is %f\n",t.read());
t.reset();
}
@@ -266,7 +266,7 @@
if(schedcount%1==0)
{
- ptr_t_acs -> signal_set(0x1);
+ //ptr_t_acs -> signal_set(0x1);
}
if(schedcount%2==0)
{
@@ -274,7 +274,7 @@
}
if(schedcount%3==0)
{
- ptr_t_bea -> signal_set(0x3);
+ //ptr_t_bea -> signal_set(0x3);
}
schedcount++;
}
--- a/slave.cpp Tue Jul 15 10:04:38 2014 +0000
+++ b/slave.cpp Thu Sep 18 10:29:33 2014 +0000
@@ -4,7 +4,109 @@
extern struct SensorData Sensor;
I2CSlave slave(p28,p27); //configuring pins p27, p28 as I2Cslave
Serial screen (USBTX,USBRX);
-void write_to_master(char send) //function to write data to master
+
+
+//#include "slave.h"
+//I2CSlave slave(p28,p27); //configuring pins p27, p28 as I2Cslave
+//Serial pc (USBTX,USBRX);
+//SensorData Sensor;
+/*struct SensorData //HK_data_structure
+{
+ char voltage[10];
+ char current[10];
+ char temp[10];
+}Sensor;*/
+
+int FUNC_I2C_SLAVE_MAIN(int iterations)
+{
+
+ wait(0.5);
+ slave.address(0x20); //assigning slave address
+ slave.stop();
+ char Switch_Variable;
+ int ReadAddressed=1;
+ int WriteGeneral=3;
+ bool loopvariable1=true;
+ uint8_t loopvariable2=0;
+ bool loopvariable3=true;
+//---------------initialising dummy sensor data-----------------------------------------------------------
+ Sensor.Voltage[0]='a';Sensor.Current[0]='1';Sensor.Temperature[0]='k';
+ Sensor.Voltage[1]='b';Sensor.Current[1]='2';Sensor.Temperature[1]='l';
+ Sensor.Voltage[2]='c';Sensor.Current[2]='3';Sensor.Temperature[2]='m';
+ Sensor.Voltage[3]='d';Sensor.Current[3]='4';Sensor.Temperature[3]='n';
+ Sensor.Voltage[4]='e';Sensor.Current[4]='5';Sensor.Temperature[4]='o';
+ Sensor.Voltage[5]='f';Sensor.Current[5]='1';Sensor.Temperature[5]='p';
+ Sensor.Voltage[6]='g';Sensor.Current[6]='2';Sensor.Temperature[6]='q';
+ Sensor.Voltage[7]='h';Sensor.Current[7]='3';Sensor.Temperature[7]='r';
+ while(loopvariable1)
+ {
+//------------------------to read data from master---------------------------------------------------------
+ if(slave.receive()==WriteGeneral) //checking if slave is addressed to write
+ {
+ Switch_Variable=slave.read(); //receiving data
+ printf("switch variable=%d\n",Switch_Variable);
+ slave.stop(); //reset slave to default receiving state
+ loopvariable1=false;
+//----------------------to interpret and write data to master----------------------------------------------
+ switch(Switch_Variable)
+ {
+
+ case '1': while(loopvariable3)
+ {
+ if(slave.receive()==ReadAddressed) //check if slave is addressed to read
+ {
+ loopvariable3=false;
+ while(loopvariable2<8) //running loop for sending 30 sensors data
+ {
+ printf("\nvoltage%d\n",loopvariable2);
+ write_to_master(Sensor.Voltage[loopvariable2]); //calling function to send float data
+
+ printf("\ncurrent%d\n",loopvariable2);
+ write_to_master(Sensor.Current[loopvariable2]); //calling function to send float data
+
+ printf("\ntemp%d\n",loopvariable2);
+ write_to_master(Sensor.Temperature[loopvariable2]); //calling function to send float data
+
+ loopvariable2++;
+ }
+
+ }
+
+ }
+ break;
+ case '2' : printf(" telecommand 2\n");
+ break;
+
+ }
+ }
+}
+ slave.stop();
+ printf("done");
+}
+
+//------------------function to write data to master---------------------------------------------------
+void write_to_master(char send)
+{
+ bool acknowledge;
+ bool loopvariable4=true;
+ while(loopvariable4)
+ {
+ acknowledge = (bool) slave.write(send); //sending the byte to master
+ if(acknowledge) //breaking loop if data is acknowledged
+ {
+ printf(" acknowledge %d sent %x \n",acknowledge,send);
+ loopvariable4 = false;
+ }
+ }
+}
+
+
+
+
+
+
+
+/*void write_to_master(char send) //function to write data to master
{
int acknowledge;
int loopvariable4=1;
@@ -13,7 +115,7 @@
acknowledge = slave.write(send); //sending the byte to master
if(acknowledge==1)
{
- screen.printf(" acknowledge %d sent %u \n",acknowledge,send);
+ printf(" acknowledge %d sent %u \n",acknowledge,send);
loopvariable4=0;
}
}
@@ -24,8 +126,8 @@
void FUNC_I2C_SLAVE_MAIN(int iterations)
{
-
- screen.printf("\nSlave entered\n");
+ // slave.stop();
+ printf("\nSlave entered\n");
slave.address(slave_address); //assigning slave address
char Switch_Variable;
@@ -37,11 +139,13 @@
while(loopvariable1)
{
-//to read data from master
+// slave.stop();
+//to read data from master
+ printf("not receiving\n");
if(slave.receive()==WriteGeneral) //checking if slave is addressed to write
{
Switch_Variable=slave.read(); //receiving data
- screen.printf("switch variable=%d\n",Switch_Variable);
+ printf("switch variable=%d\n",Switch_Variable);
slave.stop(); //reset slave to default receiving state
loopvariable1=0;
//to interpret and write data to master
@@ -58,17 +162,17 @@
{
if(loopvariable2%3==0)
{
- screen.printf("\nvoltage%d\n",loopvariable2/3);
+ printf("\nvoltage%d\n",loopvariable2/3);
write_to_master(Sensor.Voltage[loopvariable2/3]);
}
else if(loopvariable2%3==1)
{
- screen.printf("\ncurrent%d\n",loopvariable2/3);
+ printf("\ncurrent%d\n",loopvariable2/3);
write_to_master(Sensor.Current[loopvariable2/3]);
}
else if(loopvariable2%3==2)
{
- screen.printf("\ntemp%d\n",loopvariable2/3);
+ printf("\ntemp%d\n",loopvariable2/3);
write_to_master(Sensor.Temperature[loopvariable2/3]);
}
loopvariable2++;
@@ -81,12 +185,12 @@
}//while(loopvariable3)
break;
- case 2 : screen.printf(" telecommand 2\n");
+ case 2 : printf(" telecommand 2\n");
break;
}//switch case ends
}
}
- screen.printf("\nexited slave function\n");
-}
+ printf("\nexited slave function\n");
+}*/
\ No newline at end of file
--- a/slave.h Tue Jul 15 10:04:38 2014 +0000 +++ b/slave.h Thu Sep 18 10:29:33 2014 +0000 @@ -1,6 +1,23 @@ #include "mbed.h" + +int FUNC_I2C_SLAVE_MAIN(int iterations); +void write_to_master(char); //function to write data to master + + + + + + + + + + + + + +/*#include "mbed.h" #define WriteGeneral 3 #define ReadAddressed 1 #define slave_address 0x20 void write_to_master(char); //function to write data to master -void FUNC_I2C_SLAVE_MAIN(int iterations); \ No newline at end of file +void FUNC_I2C_SLAVE_MAIN(int iterations);*/ \ No newline at end of file