Marko Marinović / Mbed 2 deprecated ProjektKTM_MASTER_v13

master

Dependencies:   mbed

main.cpp@0:77a172b1f970, 2019-02-09 (annotated)

Committer:
brahimir
Date:
Sat Feb 09 13:02:17 2019 +0000
Revision:
0:77a172b1f970
master

Who changed what in which revision?

UserRevisionLine numberNew contents of line
brahimir 0:77a172b1f970 1 #include "mbed.h"
brahimir 0:77a172b1f970 2 //master-transmitter i master-receiver
brahimir 0:77a172b1f970 3
brahimir 0:77a172b1f970 4 I2C i2c_master(PB_3, PB_10); //sda, scl ADRESE!!!!!!!!!!!
brahimir 0:77a172b1f970 5 Serial pc(USBTX, USBRX);
brahimir 0:77a172b1f970 6 PwmOut motor(PB_4); //fan
brahimir 0:77a172b1f970 7
brahimir 0:77a172b1f970 8 const int addr_senzor = 0x90; //adresa senzora
brahimir 0:77a172b1f970 9 const int addr_slave = 0x80; //adresa slave mbed-a
brahimir 0:77a172b1f970 10 float temp;
brahimir 0:77a172b1f970 11 float temp_ref;
brahimir 0:77a172b1f970 12 char podaci[2];
brahimir 0:77a172b1f970 13 char config_t[3]; //config polje
brahimir 0:77a172b1f970 14 char temp_read[2]; //polje za 16 bita podataka sa senzora
brahimir 0:77a172b1f970 15
brahimir 0:77a172b1f970 16 void config_senzor(){
brahimir 0:77a172b1f970 17 config_t[0]=0x01;
brahimir 0:77a172b1f970 18 config_t[1]=0x60;
brahimir 0:77a172b1f970 19 config_t[2]=0xA0;
brahimir 0:77a172b1f970 20 i2c_master.write(addr_senzor, config_t, 3);
brahimir 0:77a172b1f970 21 config_t[0]=0x00;
brahimir 0:77a172b1f970 22 }
brahimir 0:77a172b1f970 23
brahimir 0:77a172b1f970 24 float ocitaj_temp(){
brahimir 0:77a172b1f970 25 i2c_master.read(addr_senzor, temp_read, 2); // ocitanje s TMP102 senzora
brahimir 0:77a172b1f970 26 temp = 0.0625 * (((temp_read[0] << 8) + temp_read[1]) >> 4); //konverzija u float vrijednost deg C
brahimir 0:77a172b1f970 27 pc.printf("Poslana T: %2f\n\r", temp);
brahimir 0:77a172b1f970 28 //float temp_k = temp + 273.15;
brahimir 0:77a172b1f970 29 //float temp_f = (temp*(9/5)) + 32;
brahimir 0:77a172b1f970 30 return temp;
brahimir 0:77a172b1f970 31 }
brahimir 0:77a172b1f970 32
brahimir 0:77a172b1f970 33 void salji_temp(){
brahimir 0:77a172b1f970 34 //master-transmitter
brahimir 0:77a172b1f970 35 i2c_master.write(addr_slave<<1, temp_read, 2, false);
brahimir 0:77a172b1f970 36 pc.printf("Poslani podaci:%x,%x\n\r", podaci[0], podaci[1]);
brahimir 0:77a172b1f970 37 wait_us(50);
brahimir 0:77a172b1f970 38 }
brahimir 0:77a172b1f970 39
brahimir 0:77a172b1f970 40 //void upali_motor(){
brahimir 0:77a172b1f970 41 // motor.period_us(50);
brahimir 0:77a172b1f970 42 // motor.pulsewidth_us(30);
brahimir 0:77a172b1f970 43 // }
brahimir 0:77a172b1f970 44
brahimir 0:77a172b1f970 45 float dohvati_ref(){
brahimir 0:77a172b1f970 46 //master-receiver
brahimir 0:77a172b1f970 47 i2c_master.read(addr_slave<<1, podaci, 2);
brahimir 0:77a172b1f970 48 pc.printf("Primljeni podaci:%x,%x\n\r", podaci[0], podaci[1]);
brahimir 0:77a172b1f970 49 wait_us(50);
brahimir 0:77a172b1f970 50 float ref = (podaci[0]<<8) + podaci[1];
brahimir 0:77a172b1f970 51 temp_ref = (float)ref/100;
brahimir 0:77a172b1f970 52 pc.printf("Primljena T_ref: %f\n\r", temp_ref);
brahimir 0:77a172b1f970 53 return temp_ref;
brahimir 0:77a172b1f970 54 }
brahimir 0:77a172b1f970 55
brahimir 0:77a172b1f970 56 //void usporedi_temp(){
brahimir 0:77a172b1f970 57 // if (temp_ref < temp){
brahimir 0:77a172b1f970 58 // upali_motor();
brahimir 0:77a172b1f970 59 // }else{
brahimir 0:77a172b1f970 60 // motor = 0;
brahimir 0:77a172b1f970 61 // }
brahimir 0:77a172b1f970 62 // }
brahimir 0:77a172b1f970 63
brahimir 0:77a172b1f970 64
brahimir 0:77a172b1f970 65 int main(){
brahimir 0:77a172b1f970 66 //char podaci[3] = {0x25, 0xAB, 0x11};
brahimir 0:77a172b1f970 67 //char config_t[3]; //config polje
brahimir 0:77a172b1f970 68 //char temp_read[2]; //polje za 16 bita podataka sa senzora
brahimir 0:77a172b1f970 69 //const int addr_senzor = 0x90; //adresa senzora
brahimir 0:77a172b1f970 70 //const int addr_slave = 0x80; //adresa slave mbed-a
brahimir 0:77a172b1f970 71
brahimir 0:77a172b1f970 72 motor = 0;
brahimir 0:77a172b1f970 73 config_senzor();
brahimir 0:77a172b1f970 74 i2c_master.frequency(100000); //100kHz
brahimir 0:77a172b1f970 75
brahimir 0:77a172b1f970 76 while(1){
brahimir 0:77a172b1f970 77 ocitaj_temp();
brahimir 0:77a172b1f970 78 dohvati_ref();
brahimir 0:77a172b1f970 79 //usporedi_temp();
brahimir 0:77a172b1f970 80 //if (temp_ref < temp){
brahimir 0:77a172b1f970 81 // motor.period_us(50);
brahimir 0:77a172b1f970 82 // motor.pulsewidth_us(30);
brahimir 0:77a172b1f970 83 // }else{
brahimir 0:77a172b1f970 84 // motor = 0;
brahimir 0:77a172b1f970 85 // }
brahimir 0:77a172b1f970 86 salji_temp();
brahimir 0:77a172b1f970 87 //prihvati_mod(); //treba napraviti funkciju kojom ce se birati mod c, k, f
brahimir 0:77a172b1f970 88
brahimir 0:77a172b1f970 89
brahimir 0:77a172b1f970 90 //master-transmitter
brahimir 0:77a172b1f970 91 //i2c_master.write(addr_slave<<1, temp_read, 2, false);
brahimir 0:77a172b1f970 92 //pc.printf("Poslani podaci:%x,%x,\n", podaci[0], podaci[1]);
brahimir 0:77a172b1f970 93 //wait_us(50);
brahimir 0:77a172b1f970 94
brahimir 0:77a172b1f970 95 //master-reicever
brahimir 0:77a172b1f970 96 //i2c_master.read(addr_slave<<1, podaci, 2, false);
brahimir 0:77a172b1f970 97 //pc.printf("Primljeni podaci:%x,%x\n", podaci[0], podaci[1]);
brahimir 0:77a172b1f970 98
brahimir 0:77a172b1f970 99 wait(0.5);
brahimir 0:77a172b1f970 100
brahimir 0:77a172b1f970 101 }
brahimir 0:77a172b1f970 102 }