Chaitanya Viswa / Mbed 2 deprecated swslaveboolmplus

freeslave1.0

Dependencies:   mbed

slave.cpp@0:10d14005f03a, 2014-12-03 (annotated)

Committer:
viswachaitanya
Date:
Wed Dec 03 10:37:04 2014 +0000
Revision:
0:10d14005f03a
pre 12/14 testing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
viswachaitanya 0:10d14005f03a 1 #include "slave.h"
viswachaitanya 0:10d14005f03a 2 I2CSlave slave(p28,p27); //configuring pins p27, p28 as I2Cslave
viswachaitanya 0:10d14005f03a 3 Serial pc (USBTX,USBRX);
viswachaitanya 0:10d14005f03a 4 //SensorData Sensor;
viswachaitanya 0:10d14005f03a 5 struct SensorData //HK_data_structure
viswachaitanya 0:10d14005f03a 6 {
viswachaitanya 0:10d14005f03a 7 char voltage[10];
viswachaitanya 0:10d14005f03a 8 char current[10];
viswachaitanya 0:10d14005f03a 9 char temp[10];
viswachaitanya 0:10d14005f03a 10 }Sensor;
viswachaitanya 0:10d14005f03a 11
viswachaitanya 0:10d14005f03a 12 int FUNC_I2C_SLAVE_MAIN(int iterations)
viswachaitanya 0:10d14005f03a 13 {
viswachaitanya 0:10d14005f03a 14
viswachaitanya 0:10d14005f03a 15 wait(0.5);
viswachaitanya 0:10d14005f03a 16 slave.address(0x20); //assigning slave address
viswachaitanya 0:10d14005f03a 17 char Switch_Variable;
viswachaitanya 0:10d14005f03a 18 int ReadAddressed=1;
viswachaitanya 0:10d14005f03a 19 int WriteGeneral=3;
viswachaitanya 0:10d14005f03a 20 bool loopvariable1=true;
viswachaitanya 0:10d14005f03a 21 uint8_t loopvariable2=0;
viswachaitanya 0:10d14005f03a 22 bool loopvariable3=true;
viswachaitanya 0:10d14005f03a 23 //---------------initialising dummy sensor data-----------------------------------------------------------
viswachaitanya 0:10d14005f03a 24 Sensor.voltage[0]='a';Sensor.current[0]='1';Sensor.temp[0]='k';
viswachaitanya 0:10d14005f03a 25 Sensor.voltage[1]='b';Sensor.current[1]='2';Sensor.temp[1]='l';
viswachaitanya 0:10d14005f03a 26 Sensor.voltage[2]='c';Sensor.current[2]='3';Sensor.temp[2]='m';
viswachaitanya 0:10d14005f03a 27 Sensor.voltage[3]='d';Sensor.current[3]='4';Sensor.temp[3]='n';
viswachaitanya 0:10d14005f03a 28 Sensor.voltage[4]='e';Sensor.current[4]='5';Sensor.temp[4]='o';
viswachaitanya 0:10d14005f03a 29 Sensor.voltage[5]='f';Sensor.current[5]='1';Sensor.temp[5]='p';
viswachaitanya 0:10d14005f03a 30 Sensor.voltage[6]='g';Sensor.current[6]='2';Sensor.temp[6]='q';
viswachaitanya 0:10d14005f03a 31 Sensor.voltage[7]='h';Sensor.current[7]='3';Sensor.temp[7]='r';
viswachaitanya 0:10d14005f03a 32 while(loopvariable1)
viswachaitanya 0:10d14005f03a 33 {
viswachaitanya 0:10d14005f03a 34 //------------------------to read data from master---------------------------------------------------------
viswachaitanya 0:10d14005f03a 35 if(slave.receive()==WriteGeneral) //checking if slave is addressed to write
viswachaitanya 0:10d14005f03a 36 {
viswachaitanya 0:10d14005f03a 37 Switch_Variable=slave.read(); //receiving data
viswachaitanya 0:10d14005f03a 38 printf("switch variable=%d\n",Switch_Variable);
viswachaitanya 0:10d14005f03a 39 slave.stop(); //reset slave to default receiving state
viswachaitanya 0:10d14005f03a 40 loopvariable1=false;
viswachaitanya 0:10d14005f03a 41 //----------------------to interpret and write data to master----------------------------------------------
viswachaitanya 0:10d14005f03a 42 switch(Switch_Variable)
viswachaitanya 0:10d14005f03a 43 {
viswachaitanya 0:10d14005f03a 44
viswachaitanya 0:10d14005f03a 45 case '1': while(loopvariable3)
viswachaitanya 0:10d14005f03a 46 {
viswachaitanya 0:10d14005f03a 47 if(slave.receive()==ReadAddressed) //check if slave is addressed to read
viswachaitanya 0:10d14005f03a 48 {
viswachaitanya 0:10d14005f03a 49 loopvariable3=false;
viswachaitanya 0:10d14005f03a 50 while(loopvariable2<8) //running loop for sending 30 sensors data
viswachaitanya 0:10d14005f03a 51 {
viswachaitanya 0:10d14005f03a 52 printf("\nvoltage%d\n",loopvariable2);
viswachaitanya 0:10d14005f03a 53 write_to_master(Sensor.voltage[loopvariable2]); //calling function to send float data
viswachaitanya 0:10d14005f03a 54
viswachaitanya 0:10d14005f03a 55 printf("\ncurrent%d\n",loopvariable2);
viswachaitanya 0:10d14005f03a 56 write_to_master(Sensor.current[loopvariable2]); //calling function to send float data
viswachaitanya 0:10d14005f03a 57
viswachaitanya 0:10d14005f03a 58 printf("\ntemp%d\n",loopvariable2);
viswachaitanya 0:10d14005f03a 59 write_to_master(Sensor.temp[loopvariable2]); //calling function to send float data
viswachaitanya 0:10d14005f03a 60
viswachaitanya 0:10d14005f03a 61 loopvariable2++;
viswachaitanya 0:10d14005f03a 62 }
viswachaitanya 0:10d14005f03a 63
viswachaitanya 0:10d14005f03a 64 }
viswachaitanya 0:10d14005f03a 65
viswachaitanya 0:10d14005f03a 66 }
viswachaitanya 0:10d14005f03a 67 break;
viswachaitanya 0:10d14005f03a 68 case '2' : printf(" telecommand 2\n");
viswachaitanya 0:10d14005f03a 69 break;
viswachaitanya 0:10d14005f03a 70
viswachaitanya 0:10d14005f03a 71 }
viswachaitanya 0:10d14005f03a 72 }
viswachaitanya 0:10d14005f03a 73 }
viswachaitanya 0:10d14005f03a 74 slave.stop();
viswachaitanya 0:10d14005f03a 75 printf("done");
viswachaitanya 0:10d14005f03a 76 }
viswachaitanya 0:10d14005f03a 77
viswachaitanya 0:10d14005f03a 78 //------------------function to write data to master---------------------------------------------------
viswachaitanya 0:10d14005f03a 79 void write_to_master(char send)
viswachaitanya 0:10d14005f03a 80 {
viswachaitanya 0:10d14005f03a 81 bool acknowledge;
viswachaitanya 0:10d14005f03a 82 bool loopvariable4=true;
viswachaitanya 0:10d14005f03a 83 while(loopvariable4)
viswachaitanya 0:10d14005f03a 84 {
viswachaitanya 0:10d14005f03a 85 acknowledge = (bool) slave.write(send); //sending the byte to master
viswachaitanya 0:10d14005f03a 86 if(acknowledge) //breaking loop if data is acknowledged
viswachaitanya 0:10d14005f03a 87 {
viswachaitanya 0:10d14005f03a 88 printf(" acknowledge %d sent %x \n",acknowledge,send);
viswachaitanya 0:10d14005f03a 89 loopvariable4 = false;
viswachaitanya 0:10d14005f03a 90 }
viswachaitanya 0:10d14005f03a 91 }
viswachaitanya 0:10d14005f03a 92 }