green rosh
/
BAE_FRDM_INTEGRATION
bae integrated final (may be)
Fork of BAE_FRDMTESIN2 by
slave.cpp@8:667fbc82d634, 2014-12-15 (annotated)
- Committer:
- greenroshks
- Date:
- Mon Dec 15 05:58:23 2014 +0000
- Revision:
- 8:667fbc82d634
- Parent:
- 7:f06840d848e3
BAE FINAL INTEGRATED (may be)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
greenroshks | 8:667fbc82d634 | 1 | /*******************Below is an old version**********************************************************************************************/ |
sakthipriya | 3:02b45de29c0f | 2 | /* Added fault to hk structure and being sent through I2C. Need to verify the format */ |
greenroshks | 8:667fbc82d634 | 3 | /*#include "slave.h" |
greenroshks | 0:8b0d43fe6c05 | 4 | #include "HK.h" |
greenroshks | 0:8b0d43fe6c05 | 5 | |
greenroshks | 0:8b0d43fe6c05 | 6 | extern struct SensorData Sensor; |
greenroshks | 1:b4bb78a9b92e | 7 | I2CSlave slave(PTC9,PTC8); //configuring pins p27, p28 as I2Cslave |
greenroshks | 0:8b0d43fe6c05 | 8 | Serial screen (USBTX,USBRX); |
greenroshks | 0:8b0d43fe6c05 | 9 | void write_to_master(char send) //function to write data to master |
greenroshks | 0:8b0d43fe6c05 | 10 | { |
greenroshks | 0:8b0d43fe6c05 | 11 | int acknowledge; |
greenroshks | 0:8b0d43fe6c05 | 12 | int loopvariable4=1; |
greenroshks | 0:8b0d43fe6c05 | 13 | while(loopvariable4) |
greenroshks | 0:8b0d43fe6c05 | 14 | { |
greenroshks | 0:8b0d43fe6c05 | 15 | acknowledge = slave.write(send); //sending the byte to master |
greenroshks | 0:8b0d43fe6c05 | 16 | if(acknowledge==1) |
greenroshks | 0:8b0d43fe6c05 | 17 | { |
greenroshks | 0:8b0d43fe6c05 | 18 | screen.printf(" acknowledge %d sent %u \n",acknowledge,send); |
greenroshks | 0:8b0d43fe6c05 | 19 | loopvariable4=0; |
greenroshks | 0:8b0d43fe6c05 | 20 | } |
greenroshks | 0:8b0d43fe6c05 | 21 | } |
greenroshks | 0:8b0d43fe6c05 | 22 | } |
greenroshks | 0:8b0d43fe6c05 | 23 | |
greenroshks | 0:8b0d43fe6c05 | 24 | |
greenroshks | 0:8b0d43fe6c05 | 25 | |
greenroshks | 0:8b0d43fe6c05 | 26 | |
greenroshks | 0:8b0d43fe6c05 | 27 | void FUNC_I2C_SLAVE_MAIN(int iterations) |
greenroshks | 0:8b0d43fe6c05 | 28 | { |
greenroshks | 0:8b0d43fe6c05 | 29 | |
greenroshks | 0:8b0d43fe6c05 | 30 | screen.printf("\nSlave entered\n"); |
greenroshks | 0:8b0d43fe6c05 | 31 | slave.address(slave_address); //assigning slave address |
greenroshks | 0:8b0d43fe6c05 | 32 | slave.stop(); |
greenroshks | 0:8b0d43fe6c05 | 33 | char Switch_Variable; |
greenroshks | 0:8b0d43fe6c05 | 34 | |
greenroshks | 0:8b0d43fe6c05 | 35 | |
greenroshks | 0:8b0d43fe6c05 | 36 | int loopvariable1=1; |
greenroshks | 0:8b0d43fe6c05 | 37 | int loopvariable2=0; |
greenroshks | 0:8b0d43fe6c05 | 38 | int loopvariable3=1; |
greenroshks | 0:8b0d43fe6c05 | 39 | //initialising dummy sensor data |
greenroshks | 0:8b0d43fe6c05 | 40 | |
greenroshks | 0:8b0d43fe6c05 | 41 | while(loopvariable1) |
greenroshks | 0:8b0d43fe6c05 | 42 | { |
greenroshks | 0:8b0d43fe6c05 | 43 | //to read data from master |
greenroshks | 0:8b0d43fe6c05 | 44 | if(slave.receive()==WriteGeneral) //checking if slave is addressed to write |
greenroshks | 0:8b0d43fe6c05 | 45 | { |
greenroshks | 1:b4bb78a9b92e | 46 | slave.stop(); |
greenroshks | 0:8b0d43fe6c05 | 47 | Switch_Variable=slave.read(); //receiving data |
greenroshks | 0:8b0d43fe6c05 | 48 | screen.printf("switch variable=%d\n",Switch_Variable); |
greenroshks | 0:8b0d43fe6c05 | 49 | slave.stop(); //reset slave to default receiving state |
greenroshks | 0:8b0d43fe6c05 | 50 | loopvariable1=0; |
greenroshks | 0:8b0d43fe6c05 | 51 | //to interpret and write data to master |
greenroshks | 0:8b0d43fe6c05 | 52 | switch(Switch_Variable) |
greenroshks | 0:8b0d43fe6c05 | 53 | { |
greenroshks | 0:8b0d43fe6c05 | 54 | |
greenroshks | 0:8b0d43fe6c05 | 55 | |
greenroshks | 0:8b0d43fe6c05 | 56 | case 1: printf("\nEntered switch\n"); |
greenroshks | 0:8b0d43fe6c05 | 57 | while(loopvariable3) |
greenroshks | 0:8b0d43fe6c05 | 58 | { |
greenroshks | 0:8b0d43fe6c05 | 59 | if(slave.receive()==ReadAddressed) //check if slave is addressed to read |
greenroshks | 0:8b0d43fe6c05 | 60 | { |
greenroshks | 0:8b0d43fe6c05 | 61 | while(loopvariable2<iterations) |
greenroshks | 0:8b0d43fe6c05 | 62 | { |
greenroshks | 0:8b0d43fe6c05 | 63 | if(loopvariable2%3==0) |
greenroshks | 0:8b0d43fe6c05 | 64 | { |
greenroshks | 0:8b0d43fe6c05 | 65 | screen.printf("\nvoltage%d\n",loopvariable2/3); |
greenroshks | 0:8b0d43fe6c05 | 66 | write_to_master(Sensor.Voltage[loopvariable2/3]); |
greenroshks | 0:8b0d43fe6c05 | 67 | } |
greenroshks | 0:8b0d43fe6c05 | 68 | else if(loopvariable2%3==1) |
greenroshks | 0:8b0d43fe6c05 | 69 | { |
greenroshks | 0:8b0d43fe6c05 | 70 | screen.printf("\ncurrent%d\n",loopvariable2/3); |
greenroshks | 0:8b0d43fe6c05 | 71 | write_to_master(Sensor.Current[loopvariable2/3]); |
greenroshks | 0:8b0d43fe6c05 | 72 | } |
greenroshks | 0:8b0d43fe6c05 | 73 | else if(loopvariable2%3==2) |
greenroshks | 0:8b0d43fe6c05 | 74 | { |
greenroshks | 0:8b0d43fe6c05 | 75 | screen.printf("\ntemp%d\n",loopvariable2/3); |
greenroshks | 0:8b0d43fe6c05 | 76 | write_to_master(Sensor.Temperature[loopvariable2/3]); |
greenroshks | 0:8b0d43fe6c05 | 77 | } |
greenroshks | 0:8b0d43fe6c05 | 78 | loopvariable2++; |
sakthipriya | 3:02b45de29c0f | 79 | } |
raizel_varun | 7:f06840d848e3 | 80 | screen.printf("\nfault %c\n",Sensor.faultpoll); |
raizel_varun | 7:f06840d848e3 | 81 | write_to_master(Sensor.faultpoll); |
raizel_varun | 7:f06840d848e3 | 82 | screen.printf("\nfault %c\n",Sensor.faultir); |
raizel_varun | 7:f06840d848e3 | 83 | write_to_master(Sensor.faultir); |
sakthipriya | 5:255b43e8e21a | 84 | screen.printf("\npower mode %c\n",Sensor.power_mode); |
sakthipriya | 5:255b43e8e21a | 85 | write_to_master(Sensor.power_mode); |
greenroshks | 0:8b0d43fe6c05 | 86 | printf("\nExited i2c while loop\n"); |
greenroshks | 0:8b0d43fe6c05 | 87 | slave.stop(); |
greenroshks | 0:8b0d43fe6c05 | 88 | loopvariable3=0; |
greenroshks | 0:8b0d43fe6c05 | 89 | }//if(read addressed) |
greenroshks | 0:8b0d43fe6c05 | 90 | |
greenroshks | 0:8b0d43fe6c05 | 91 | }//while(loopvariable3) |
greenroshks | 0:8b0d43fe6c05 | 92 | |
greenroshks | 0:8b0d43fe6c05 | 93 | break; |
greenroshks | 0:8b0d43fe6c05 | 94 | case 2 : screen.printf(" telecommand 2\n"); |
greenroshks | 0:8b0d43fe6c05 | 95 | break; |
greenroshks | 0:8b0d43fe6c05 | 96 | |
greenroshks | 0:8b0d43fe6c05 | 97 | }//switch case ends |
greenroshks | 0:8b0d43fe6c05 | 98 | } |
greenroshks | 0:8b0d43fe6c05 | 99 | } |
greenroshks | 0:8b0d43fe6c05 | 100 | screen.printf("\nexited slave function\n"); |
greenroshks | 0:8b0d43fe6c05 | 101 | } |
greenroshks | 8:667fbc82d634 | 102 | */ |
greenroshks | 8:667fbc82d634 | 103 | |
greenroshks | 8:667fbc82d634 | 104 | //******************The following is a new version********************************************************************************/ |
greenroshks | 8:667fbc82d634 | 105 | #include "HK.h" |
greenroshks | 8:667fbc82d634 | 106 | #include "slave.h" |
greenroshks | 8:667fbc82d634 | 107 | |
greenroshks | 8:667fbc82d634 | 108 | |
greenroshks | 8:667fbc82d634 | 109 | |
greenroshks | 8:667fbc82d634 | 110 | I2CSlave slave(D14,D15); //configuring pins p27, p28 as I2Cslave |
greenroshks | 8:667fbc82d634 | 111 | Serial pc_slave (USBTX,USBRX); |
greenroshks | 8:667fbc82d634 | 112 | //InterruptIn interrupt(D9); //This should be in the main |
greenroshks | 8:667fbc82d634 | 113 | //DigitalOut data_ready(D10); //Again in the main function |
greenroshks | 8:667fbc82d634 | 114 | //int i2c_status=0; //read/write mode for i2c 0 : write2slave, 1 : write2master (Again in tha main) |
greenroshks | 8:667fbc82d634 | 115 | |
greenroshks | 8:667fbc82d634 | 116 | typedef struct |
greenroshks | 8:667fbc82d634 | 117 | { |
greenroshks | 8:667fbc82d634 | 118 | char data; // To avoid dynamic memory allocation |
greenroshks | 8:667fbc82d634 | 119 | int length; |
greenroshks | 8:667fbc82d634 | 120 | }i2c_data; |
greenroshks | 8:667fbc82d634 | 121 | |
greenroshks | 8:667fbc82d634 | 122 | //Mail<i2c_data,16> i2c_data_receive; To be done in the main |
greenroshks | 8:667fbc82d634 | 123 | //Mail<i2c_data,16> i2c_data_send; To be done in the main |
greenroshks | 8:667fbc82d634 | 124 | |
greenroshks | 8:667fbc82d634 | 125 | void FUNC_I2C_WRITE2CDMS(char *data, int length=1) |
greenroshks | 8:667fbc82d634 | 126 | { |
greenroshks | 8:667fbc82d634 | 127 | |
greenroshks | 8:667fbc82d634 | 128 | int slave_status = 1; |
greenroshks | 8:667fbc82d634 | 129 | while(slave_status) |
greenroshks | 8:667fbc82d634 | 130 | { |
greenroshks | 8:667fbc82d634 | 131 | slave.address(0x20); |
greenroshks | 8:667fbc82d634 | 132 | if(slave.receive()==1) |
greenroshks | 8:667fbc82d634 | 133 | { |
greenroshks | 8:667fbc82d634 | 134 | slave_status=slave.write(data,length); |
greenroshks | 8:667fbc82d634 | 135 | // printf("\n In the while loop\n"); |
greenroshks | 8:667fbc82d634 | 136 | |
greenroshks | 8:667fbc82d634 | 137 | /*if(!slave_status) |
greenroshks | 8:667fbc82d634 | 138 | { |
greenroshks | 8:667fbc82d634 | 139 | printf("slave wrote %c to master\n\r",*data); |
greenroshks | 8:667fbc82d634 | 140 | |
greenroshks | 8:667fbc82d634 | 141 | }*/ |
greenroshks | 8:667fbc82d634 | 142 | |
greenroshks | 8:667fbc82d634 | 143 | } |
greenroshks | 8:667fbc82d634 | 144 | else |
greenroshks | 8:667fbc82d634 | 145 | if(slave.receive()==3 || slave.receive()==2) |
greenroshks | 8:667fbc82d634 | 146 | { |
greenroshks | 8:667fbc82d634 | 147 | //i2c_data *i2c_data_r = i2c_data_receive.alloc(); |
greenroshks | 8:667fbc82d634 | 148 | slave_status=slave.read(data,length); |
greenroshks | 8:667fbc82d634 | 149 | /*if(!slave_status) |
greenroshks | 8:667fbc82d634 | 150 | { |
greenroshks | 8:667fbc82d634 | 151 | printf("1 read %c from master\n\r",*data); |
greenroshks | 8:667fbc82d634 | 152 | }*/ |
greenroshks | 8:667fbc82d634 | 153 | } |
greenroshks | 8:667fbc82d634 | 154 | //slave.stop(); |
greenroshks | 8:667fbc82d634 | 155 | } |
greenroshks | 8:667fbc82d634 | 156 | printf("2 done"); |
greenroshks | 8:667fbc82d634 | 157 | |
greenroshks | 8:667fbc82d634 | 158 | } |
greenroshks | 8:667fbc82d634 | 159 | |
greenroshks | 8:667fbc82d634 | 160 | /*void T_I2C_BAE(void const * args) |
greenroshks | 8:667fbc82d634 | 161 | { |
greenroshks | 8:667fbc82d634 | 162 | char data_send,data_receive; |
greenroshks | 8:667fbc82d634 | 163 | //data_send = 'a'; |
greenroshks | 8:667fbc82d634 | 164 | while(1) |
greenroshks | 8:667fbc82d634 | 165 | { |
greenroshks | 8:667fbc82d634 | 166 | Thread::signal_wait(0x1); |
greenroshks | 8:667fbc82d634 | 167 | printf("\ndetected interrupt\n"); |
greenroshks | 8:667fbc82d634 | 168 | if(i2c_status == 0) |
greenroshks | 8:667fbc82d634 | 169 | { |
greenroshks | 8:667fbc82d634 | 170 | |
greenroshks | 8:667fbc82d634 | 171 | FUNC_I2C_WRITE2CDMS(&data_receive); |
greenroshks | 8:667fbc82d634 | 172 | //printf("\n Data received from CDMS is %c\n",data_receive); |
greenroshks | 8:667fbc82d634 | 173 | i2c_data * i2c_data_r = i2c_data_receive.alloc(); |
greenroshks | 8:667fbc82d634 | 174 | i2c_data_r->data = data_receive; |
greenroshks | 8:667fbc82d634 | 175 | i2c_data_r->length = 1; |
greenroshks | 8:667fbc82d634 | 176 | i2c_data_receive.put(i2c_data_r); |
greenroshks | 8:667fbc82d634 | 177 | } |
greenroshks | 8:667fbc82d634 | 178 | else if(i2c_status ==1 ) |
greenroshks | 8:667fbc82d634 | 179 | { |
greenroshks | 8:667fbc82d634 | 180 | osEvent evt = i2c_data_send.get(); |
greenroshks | 8:667fbc82d634 | 181 | if (evt.status == osEventMail) |
greenroshks | 8:667fbc82d634 | 182 | { |
greenroshks | 8:667fbc82d634 | 183 | i2c_data *i2c_data_s = (i2c_data*)evt.value.p; |
greenroshks | 8:667fbc82d634 | 184 | //printf("\nData read from CDMS is %c\n",i2c_data_r->data); |
greenroshks | 8:667fbc82d634 | 185 | data_send = i2c_data_s -> data; |
greenroshks | 8:667fbc82d634 | 186 | FUNC_I2C_WRITE2CDMS(&data_send); |
greenroshks | 8:667fbc82d634 | 187 | printf("\nData sent to CDMS is %c\n",data_send); |
greenroshks | 8:667fbc82d634 | 188 | i2c_data_send.free(i2c_data_s); |
greenroshks | 8:667fbc82d634 | 189 | i2c_status = 0; |
greenroshks | 8:667fbc82d634 | 190 | //delete i2c_data_r; |
greenroshks | 8:667fbc82d634 | 191 | } |
greenroshks | 8:667fbc82d634 | 192 | } |
greenroshks | 8:667fbc82d634 | 193 | } |
greenroshks | 8:667fbc82d634 | 194 | } |
greenroshks | 8:667fbc82d634 | 195 | |
greenroshks | 8:667fbc82d634 | 196 | void FUNC_INT() |
greenroshks | 8:667fbc82d634 | 197 | { |
greenroshks | 8:667fbc82d634 | 198 | // char * data = new char; |
greenroshks | 8:667fbc82d634 | 199 | //*data = 'a'; |
greenroshks | 8:667fbc82d634 | 200 | //printf("\nInterrupt from master detected\n"); |
greenroshks | 8:667fbc82d634 | 201 | ptr_t_i2c->signal_set(0x1); |
greenroshks | 8:667fbc82d634 | 202 | // |
greenroshks | 8:667fbc82d634 | 203 | //delete data; |
greenroshks | 8:667fbc82d634 | 204 | } |
greenroshks | 8:667fbc82d634 | 205 | |
greenroshks | 8:667fbc82d634 | 206 | |
greenroshks | 8:667fbc82d634 | 207 | |
greenroshks | 8:667fbc82d634 | 208 | void main() |
greenroshks | 8:667fbc82d634 | 209 | { |
greenroshks | 8:667fbc82d634 | 210 | printf("\nStarted slave... waiting for master\n"); |
greenroshks | 8:667fbc82d634 | 211 | ptr_t_i2c = new Thread(T_I2C_BAE); |
greenroshks | 8:667fbc82d634 | 212 | char data='a'; |
greenroshks | 8:667fbc82d634 | 213 | interrupt.rise(&FUNC_INT); |
greenroshks | 8:667fbc82d634 | 214 | |
greenroshks | 8:667fbc82d634 | 215 | /* i2c_data * i2c_data_s = i2c_data_send.alloc(); |
greenroshks | 8:667fbc82d634 | 216 | i2c_data_s->data = data; |
greenroshks | 8:667fbc82d634 | 217 | i2c_data_s->length = 1; |
greenroshks | 8:667fbc82d634 | 218 | i2c_data_send.put(i2c_data_s); |
greenroshks | 8:667fbc82d634 | 219 | //data_ready=1; |
greenroshks | 8:667fbc82d634 | 220 | i2c_status=1;*/ |
greenroshks | 8:667fbc82d634 | 221 | // while(1) |
greenroshks | 8:667fbc82d634 | 222 | //{ |
greenroshks | 8:667fbc82d634 | 223 | //*(data_send)=pc.getc(); |
greenroshks | 8:667fbc82d634 | 224 | |
greenroshks | 8:667fbc82d634 | 225 | //FUNC_I2C_WRITE2CDMS(&data,1); |
greenroshks | 8:667fbc82d634 | 226 | //printf("\n The data send or received by slave is %c\n",data); |
greenroshks | 8:667fbc82d634 | 227 | //(data)++; |
greenroshks | 8:667fbc82d634 | 228 | //wait(1); |
greenroshks | 8:667fbc82d634 | 229 | //Remove the comments for receiving data |
greenroshks | 8:667fbc82d634 | 230 | /* osEvent evt = i2c_data_receive.get(); |
greenroshks | 8:667fbc82d634 | 231 | if (evt.status == osEventMail) |
greenroshks | 8:667fbc82d634 | 232 | { |
greenroshks | 8:667fbc82d634 | 233 | i2c_data *i2c_data_r = (i2c_data*)evt.value.p; |
greenroshks | 8:667fbc82d634 | 234 | printf("\nData read from CDMS is %c\n",i2c_data_r->data); |
greenroshks | 8:667fbc82d634 | 235 | |
greenroshks | 8:667fbc82d634 | 236 | i2c_data_receive.free(i2c_data_r); |
greenroshks | 8:667fbc82d634 | 237 | //delete i2c_data_r; |
greenroshks | 8:667fbc82d634 | 238 | }*/ |
greenroshks | 8:667fbc82d634 | 239 | /* //put in comments for receiving data |
greenroshks | 8:667fbc82d634 | 240 | data_ready=0; |
greenroshks | 8:667fbc82d634 | 241 | data = pc.getc(); |
greenroshks | 8:667fbc82d634 | 242 | i2c_data * i2c_data_s = i2c_data_send.alloc(); |
greenroshks | 8:667fbc82d634 | 243 | i2c_data_s->data = data; |
greenroshks | 8:667fbc82d634 | 244 | i2c_data_s->length = 1; |
greenroshks | 8:667fbc82d634 | 245 | i2c_data_send.put(i2c_data_s); |
greenroshks | 8:667fbc82d634 | 246 | data_ready=1; |
greenroshks | 8:667fbc82d634 | 247 | i2c_status=1; |
greenroshks | 8:667fbc82d634 | 248 | |
greenroshks | 8:667fbc82d634 | 249 | } |
greenroshks | 8:667fbc82d634 | 250 | } |
greenroshks | 8:667fbc82d634 | 251 | */ |
greenroshks | 8:667fbc82d634 | 252 | |
greenroshks | 8:667fbc82d634 | 253 | //To be done in the main |