green rosh
/
all_combined_week6
Updated BAE RTOS
Fork of all_combined_week6 by
slave.cpp
- Committer:
- greenroshks
- Date:
- 2014-07-12
- Revision:
- 4:79b97f9cab00
- Parent:
- 3:9b597ed04ef4
- Child:
- 6:82153349cc9b
File content as of revision 4:79b97f9cab00:
#include "slave.h" #include "HK.h" 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 { int acknowledge; int loopvariable4=1; while(loopvariable4) { acknowledge = slave.write(send); //sending the byte to master if(acknowledge==1) { screen.printf(" acknowledge %d sent %x \n",acknowledge,send); loopvariable4=0; } } } void FUNC_I2C_SLAVE_MAIN(int iterations) { wait(0.5); screen.printf("\nSlave entered\n"); slave.address(slave_address); //assigning slave address char Switch_Variable; int loopvariable1=1; int loopvariable2=0; int loopvariable3=1; //initialising dummy sensor data while(loopvariable1) { //to read data from master 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); slave.stop(); //reset slave to default receiving state loopvariable1=0; //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 { while(loopvariable2<iterations) { if(loopvariable2%3==0) { screen.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); write_to_master(Sensor.Current[loopvariable2/3]); } else if(loopvariable2%3==2) { screen.printf("\ntemp%d\n",loopvariable2/3); write_to_master(Sensor.Temperature[loopvariable2/3]); } loopvariable2++; }//while(loopvariable2<30) slave.stop(); loopvariable3=0; }//if(read addressed) }//while(loopvariable3) break; case '2' : screen.printf(" telecommand 2\n"); break; }//switch case ends } } screen.printf("done"); }