green rosh / Mbed 2 deprecated all_combined_week6

Updated BAE RTOS

Dependencies:   mbed-rtos mbed

Fork of all_combined_week6 by Harshit Gupta

slave.cpp@0:cbe0ea884289, 2014-07-10 (annotated)

Committer:
harshit_felicity
Date:
Thu Jul 10 11:35:40 2014 +0000
Revision:
0:cbe0ea884289
Child:
3:9b597ed04ef4
Fuck Yeahh..btich

Who changed what in which revision?

UserRevisionLine numberNew contents of line
harshit_felicity 0:cbe0ea884289 1 #include "slave.h"
harshit_felicity 0:cbe0ea884289 2 SensorData Sensor;
harshit_felicity 0:cbe0ea884289 3 I2CSlave slave(p28,p27); //configuring pins p27, p28 as I2Cslave
harshit_felicity 0:cbe0ea884289 4 Serial green(USBTX, USBRX);
harshit_felicity 0:cbe0ea884289 5
harshit_felicity 0:cbe0ea884289 6 void write_to_master(char send) //function to write data to master
harshit_felicity 0:cbe0ea884289 7 {
harshit_felicity 0:cbe0ea884289 8 int acknowledge;
harshit_felicity 0:cbe0ea884289 9 acknowledge = slave.write(send); //sending the byte to master
harshit_felicity 0:cbe0ea884289 10 if(acknowledge==1)
harshit_felicity 0:cbe0ea884289 11 {
harshit_felicity 0:cbe0ea884289 12 green.printf(" acknowledge %d sent %x \n",acknowledge,send);
harshit_felicity 0:cbe0ea884289 13 }
harshit_felicity 0:cbe0ea884289 14 }
harshit_felicity 0:cbe0ea884289 15
harshit_felicity 0:cbe0ea884289 16 void split(float data) //function to split data into 4 individual bytes and send to master
harshit_felicity 0:cbe0ea884289 17 {
harshit_felicity 0:cbe0ea884289 18 union convert
harshit_felicity 0:cbe0ea884289 19 {
harshit_felicity 0:cbe0ea884289 20 char byte[4]; //array containing individual bytes
harshit_felicity 0:cbe0ea884289 21 float number; //floating point number to be split into four bytes
harshit_felicity 0:cbe0ea884289 22 }v;
harshit_felicity 0:cbe0ea884289 23 v.number=data;
harshit_felicity 0:cbe0ea884289 24 write_to_master(v.byte[0]);
harshit_felicity 0:cbe0ea884289 25 write_to_master(v.byte[1]);
harshit_felicity 0:cbe0ea884289 26 write_to_master(v.byte[2]);
harshit_felicity 0:cbe0ea884289 27 write_to_master(v.byte[3]);
harshit_felicity 0:cbe0ea884289 28 green.printf("sent %f\n",v.number);
harshit_felicity 0:cbe0ea884289 29 }
harshit_felicity 0:cbe0ea884289 30
harshit_felicity 0:cbe0ea884289 31
harshit_felicity 0:cbe0ea884289 32
harshit_felicity 0:cbe0ea884289 33 void FUNC_I2C_SLAVE_MAIN()
harshit_felicity 0:cbe0ea884289 34 {
harshit_felicity 0:cbe0ea884289 35 wait(0.5);
harshit_felicity 0:cbe0ea884289 36 slave.address(0x20); //assigning slave address
harshit_felicity 0:cbe0ea884289 37 int Switch_Variable;
harshit_felicity 0:cbe0ea884289 38 int ReadAddressed=1;
harshit_felicity 0:cbe0ea884289 39 int WriteGeneral=3;
harshit_felicity 0:cbe0ea884289 40 int loopvariable1=1;
harshit_felicity 0:cbe0ea884289 41 int loopvariable2=0;
harshit_felicity 0:cbe0ea884289 42 //initialising dummy sensor data
harshit_felicity 0:cbe0ea884289 43 // SensorData Sensor;
harshit_felicity 0:cbe0ea884289 44 Sensor.voltage[0]=0.1;Sensor.current[0]=0.0;Sensor.temp[0]=1.0;
harshit_felicity 0:cbe0ea884289 45 Sensor.voltage[1]=0.1;Sensor.current[1]=1.1;Sensor.temp[1]=2.0;
harshit_felicity 0:cbe0ea884289 46 Sensor.voltage[2]=0.2;Sensor.current[2]=2.2;Sensor.temp[2]=2.0;
harshit_felicity 0:cbe0ea884289 47 Sensor.voltage[3]=0.3;Sensor.current[3]=3.3;Sensor.temp[3]=3.0;
harshit_felicity 0:cbe0ea884289 48 Sensor.voltage[4]=0.4;Sensor.current[4]=4.4;Sensor.temp[4]=4.0;
harshit_felicity 0:cbe0ea884289 49 Sensor.voltage[5]=0.5;Sensor.current[5]=5.5;Sensor.temp[5]=5.0;
harshit_felicity 0:cbe0ea884289 50 Sensor.voltage[6]=0.6;Sensor.current[6]=6.6;Sensor.temp[6]=6.0;
harshit_felicity 0:cbe0ea884289 51 Sensor.voltage[7]=0.7;Sensor.current[7]=7.7;Sensor.temp[7]=7.0;
harshit_felicity 0:cbe0ea884289 52 Sensor.voltage[8]=0.8;Sensor.current[8]=8.8;Sensor.temp[8]=8.0;
harshit_felicity 0:cbe0ea884289 53 Sensor.voltage[9]=0.9;Sensor.current[9]=9.9;Sensor.temp[9]=20.5;
harshit_felicity 0:cbe0ea884289 54 while(loopvariable1)
harshit_felicity 0:cbe0ea884289 55 {
harshit_felicity 0:cbe0ea884289 56 //to read data from master
harshit_felicity 0:cbe0ea884289 57 if(slave.receive()==WriteGeneral) //checking if slave is addressed to write
harshit_felicity 0:cbe0ea884289 58 {
harshit_felicity 0:cbe0ea884289 59 Switch_Variable=slave.read(); //receiving data
harshit_felicity 0:cbe0ea884289 60 green.printf("switch variable=%d\n",Switch_Variable);
harshit_felicity 0:cbe0ea884289 61 slave.stop(); //reset slave to default receiving state
harshit_felicity 0:cbe0ea884289 62 loopvariable1=0;
harshit_felicity 0:cbe0ea884289 63 //to interpret and write data to master
harshit_felicity 0:cbe0ea884289 64 switch(Switch_Variable)
harshit_felicity 0:cbe0ea884289 65 {
harshit_felicity 0:cbe0ea884289 66
harshit_felicity 0:cbe0ea884289 67 case 1: while(loopvariable2<30)
harshit_felicity 0:cbe0ea884289 68 {
harshit_felicity 0:cbe0ea884289 69 if(slave.receive()==ReadAddressed) //check if slave is addressed to read
harshit_felicity 0:cbe0ea884289 70 {
harshit_felicity 0:cbe0ea884289 71 if(loopvariable2%3==0)
harshit_felicity 0:cbe0ea884289 72 {
harshit_felicity 0:cbe0ea884289 73 green.printf("\nvoltage%d\n",loopvariable2/3);
harshit_felicity 0:cbe0ea884289 74 split(Sensor.voltage[loopvariable2/3]);
harshit_felicity 0:cbe0ea884289 75 }
harshit_felicity 0:cbe0ea884289 76 else if(loopvariable2%3==1)
harshit_felicity 0:cbe0ea884289 77 {
harshit_felicity 0:cbe0ea884289 78 green.printf("\ncurrent%d\n",loopvariable2/3);
harshit_felicity 0:cbe0ea884289 79 split(Sensor.current[loopvariable2/3]);
harshit_felicity 0:cbe0ea884289 80 }
harshit_felicity 0:cbe0ea884289 81 else if(loopvariable2%3==2)
harshit_felicity 0:cbe0ea884289 82 {
harshit_felicity 0:cbe0ea884289 83 green.printf("\ntemp%d\n",loopvariable2/3);
harshit_felicity 0:cbe0ea884289 84 split(Sensor.temp[loopvariable2/3]);
harshit_felicity 0:cbe0ea884289 85 }
harshit_felicity 0:cbe0ea884289 86 loopvariable2++;
harshit_felicity 0:cbe0ea884289 87 slave.stop();
harshit_felicity 0:cbe0ea884289 88 }
harshit_felicity 0:cbe0ea884289 89 }
harshit_felicity 0:cbe0ea884289 90 break;
harshit_felicity 0:cbe0ea884289 91 case 2 : green.printf(" telecommand 2\n");
harshit_felicity 0:cbe0ea884289 92 break;
harshit_felicity 0:cbe0ea884289 93
harshit_felicity 0:cbe0ea884289 94 }//switch case ends
harshit_felicity 0:cbe0ea884289 95 }
harshit_felicity 0:cbe0ea884289 96 }
harshit_felicity 0:cbe0ea884289 97 green.printf("done");
harshit_felicity 0:cbe0ea884289 98 }