Attila Fazekas / Mbed 2 deprecated atmel1602_24c256

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Dependencies:   mbed DS3231 Thermistor

main.cpp@0:60316223b876, 2019-08-12 (annotated)

Committer:
attila0970
Date:
Mon Aug 12 11:11:12 2019 +0000
Revision:
0:60316223b876
asd;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
attila0970 0:60316223b876 1 #include "mbed.h"
attila0970 0:60316223b876 2 #include "DS3231.h"
attila0970 0:60316223b876 3 #include "Thermistor.h"
attila0970 0:60316223b876 4
attila0970 0:60316223b876 5
attila0970 0:60316223b876 6 #define read_addr 0xa0
attila0970 0:60316223b876 7 #define write_addr 0xa1
attila0970 0:60316223b876 8
attila0970 0:60316223b876 9
attila0970 0:60316223b876 10
attila0970 0:60316223b876 11 I2C flash(PB_3, PB_10);
attila0970 0:60316223b876 12 DS3231 rtc(PB_9, PB_8);
attila0970 0:60316223b876 13
attila0970 0:60316223b876 14 AnalogIn bed(PB_0);
attila0970 0:60316223b876 15
attila0970 0:60316223b876 16 InterruptIn butt(PB_5);
attila0970 0:60316223b876 17
attila0970 0:60316223b876 18 //DigitalOut led(PA_4);
attila0970 0:60316223b876 19 DigitalOut green(PA_0);
attila0970 0:60316223b876 20 DigitalOut red(PA_1);
attila0970 0:60316223b876 21
attila0970 0:60316223b876 22 Serial pc(USBTX, USBRX);
attila0970 0:60316223b876 23
attila0970 0:60316223b876 24 void page_write(char addr1, char addr2, char data);
attila0970 0:60316223b876 25 void page_read(char addr1, char addr2);
attila0970 0:60316223b876 26 void write_byte(char addr1, char addr2, char data);
attila0970 0:60316223b876 27 char read_byte(char addr1, char addr2, int range);
attila0970 0:60316223b876 28
attila0970 0:60316223b876 29 void callback();
attila0970 0:60316223b876 30
attila0970 0:60316223b876 31 int conv_hex_to_int(char data);
attila0970 0:60316223b876 32
attila0970 0:60316223b876 33 char buff[258];
attila0970 0:60316223b876 34 char data[256];
attila0970 0:60316223b876 35
attila0970 0:60316223b876 36 int hour;
attila0970 0:60316223b876 37 int minute;
attila0970 0:60316223b876 38 int second;
attila0970 0:60316223b876 39 int butt_flag = 0;
attila0970 0:60316223b876 40
attila0970 0:60316223b876 41 double temp_buff;
attila0970 0:60316223b876 42 float temp;
attila0970 0:60316223b876 43 double r;
attila0970 0:60316223b876 44 double temp_tizedes;
attila0970 0:60316223b876 45
attila0970 0:60316223b876 46 int location = 2;
attila0970 0:60316223b876 47 int eddmegafaszom = 0;
attila0970 0:60316223b876 48
attila0970 0:60316223b876 49 int main() {
attila0970 0:60316223b876 50 flash.frequency(100000);
attila0970 0:60316223b876 51 rtc.setI2Cfrequency(400000);
attila0970 0:60316223b876 52 pc.baud(115200);
attila0970 0:60316223b876 53 green = 1;
attila0970 0:60316223b876 54 red = 0;
attila0970 0:60316223b876 55
attila0970 0:60316223b876 56 butt.fall(&callback);
attila0970 0:60316223b876 57
attila0970 0:60316223b876 58 //pc.printf("\nI am ready! %02X %02X\n", 0x1ff >> 8, 256 >> 8);
attila0970 0:60316223b876 59
attila0970 0:60316223b876 60 location = 2; //eeprom aktuális memória címnek a helye
attila0970 0:60316223b876 61 while(1) {
attila0970 0:60316223b876 62 //gomb lenyomás után
attila0970 0:60316223b876 63 if(butt_flag != 0){ //gomb megnyomásához rendelt esemény
attila0970 0:60316223b876 64 red = 1;
attila0970 0:60316223b876 65 green = 1;
attila0970 0:60316223b876 66 read_byte(0x00, 0x00, location); //"location" változó mennyiségében kiolvassa az adatokat az eepromból, és eltárolja majd a data tömbben. Ez a végén lévő függvényben valósul meg.
attila0970 0:60316223b876 67 if (location >= 750){ //soros port lefagyása elleni védekező mechanizmus elje, ez bontja fel több max 750 db-os részre a data tömb elemeit.
attila0970 0:60316223b876 68
attila0970 0:60316223b876 69 for (int i = 0; i < location/750; i++){
attila0970 0:60316223b876 70 for (int j = i*750; j < (i + 1) * 750; j += 4){
attila0970 0:60316223b876 71 pc.printf("%d:%d;%d.%d \n", data[i], data[i+1], data[i+2], data[i+3]);
attila0970 0:60316223b876 72 wait_ms(10);
attila0970 0:60316223b876 73 }
attila0970 0:60316223b876 74 //wait_ms(50);
attila0970 0:60316223b876 75 }
attila0970 0:60316223b876 76 for (int i = location-(location%750); i <= location; i+=4){
attila0970 0:60316223b876 77
attila0970 0:60316223b876 78 pc.printf("%d:%d;%d.%d \n", data[i], data[i+1], data[i+2], data[i+3]);
attila0970 0:60316223b876 79 }
attila0970 0:60316223b876 80 }
attila0970 0:60316223b876 81 else{ //ez a ciklus csak simán kitolja soros portra az adatokat, akkor lép bele, ha nincs 750 mért adat.
attila0970 0:60316223b876 82 for (int i = 2; i < location; i += 4){
attila0970 0:60316223b876 83 pc.printf("%d:%d;%d.%d \n", data[i], data[i+1], data[i+2], data[i+3]);
attila0970 0:60316223b876 84 wait_ms(10);
attila0970 0:60316223b876 85 }
attila0970 0:60316223b876 86
attila0970 0:60316223b876 87 wait(0.5);
attila0970 0:60316223b876 88 location = 2; //eeprom kihasználtságát kezdi előről, az elejétől kezdi újra felülírni az eepromot.
attila0970 0:60316223b876 89 wait(0.1);
attila0970 0:60316223b876 90 butt_flag = 0; //gomb lenyomása utáni állapotot állítja vissza alap helyzetbe.
attila0970 0:60316223b876 91 red = 0;
attila0970 0:60316223b876 92 green = 1;
attila0970 0:60316223b876 93 rtc.setTime(0, 0, 0); //rtc nullázása
attila0970 0:60316223b876 94 }
attila0970 0:60316223b876 95 //fő ismétlődő ciklus eleje
attila0970 0:60316223b876 96 green = !green; //led bizgerálás
attila0970 0:60316223b876 97 //*************************************************************************************
attila0970 0:60316223b876 98 wait(20); //itt állítod be a mintavételi sebeggéget!!!!!!
attila0970 0:60316223b876 99 //*************************************************************************************
attila0970 0:60316223b876 100 rtc.readTime(&hour,&minute,&second); //kolvasod az időt az rtc-ből
attila0970 0:60316223b876 101
attila0970 0:60316223b876 102 double val=bed; //*
attila0970 0:60316223b876 103 double r=((1-val)/val)*4700; //hőmérségkelt meghatározása
attila0970 0:60316223b876 104 temp = (1/( log(r/10000) /3950 + 1/(25+273.15))-273.15)-20.0f; //*
attila0970 0:60316223b876 105
attila0970 0:60316223b876 106 //adatok beírésa az eepromba négyessével(óra, perc, hőfok 2 bíte-on)
attila0970 0:60316223b876 107 write_byte(location >> 8, location, (char)minute);
attila0970 0:60316223b876 108 location++;
attila0970 0:60316223b876 109 write_byte(location >> 8, location, (char)second);
attila0970 0:60316223b876 110 location++;
attila0970 0:60316223b876 111 write_byte(location >> 8, location, (char)floor(temp));
attila0970 0:60316223b876 112 location++;
attila0970 0:60316223b876 113 temp_tizedes = (temp-floor(temp))*100;
attila0970 0:60316223b876 114 write_byte(location >> 8, location, (char)temp_tizedes);
attila0970 0:60316223b876 115 location++;
attila0970 0:60316223b876 116
attila0970 0:60316223b876 117 if (location >= 32000 && butt_flag == 0){ //ez volt szar eddig, bocsika.... itt ezt a 32000-et tartsd meg aztán jó lesz minden :D
attila0970 0:60316223b876 118 red = !red; //lényegében csak belép egy végtelen ciklusba, hogy ha megtelik a memúria, és csak akkor lép ki, ha megnyomod a gombot, vagy úkraindítod a programot D:
attila0970 0:60316223b876 119 wait(0.2);
attila0970 0:60316223b876 120 }
attila0970 0:60316223b876 121 }
attila0970 0:60316223b876 122 }
attila0970 0:60316223b876 123 }
attila0970 0:60316223b876 124
attila0970 0:60316223b876 125 void callback(){ //gomb interrupt függvénye
attila0970 0:60316223b876 126
attila0970 0:60316223b876 127 butt_flag = 1;
attila0970 0:60316223b876 128
attila0970 0:60316223b876 129 }
attila0970 0:60316223b876 130
attila0970 0:60316223b876 131
attila0970 0:60316223b876 132 void write_byte(char addr1, char addr2, char data){
attila0970 0:60316223b876 133 buff[0] = addr1;
attila0970 0:60316223b876 134 buff[1] = addr2;
attila0970 0:60316223b876 135 buff[2] = data;
attila0970 0:60316223b876 136 flash.write(write_addr, buff, 3, false);
attila0970 0:60316223b876 137 wait_ms(5);
attila0970 0:60316223b876 138 }
attila0970 0:60316223b876 139
attila0970 0:60316223b876 140 char read_byte(char addr1, char addr2, int range){
attila0970 0:60316223b876 141 buff[0] = addr1;
attila0970 0:60316223b876 142 buff[1] = addr2;
attila0970 0:60316223b876 143 flash.write(write_addr, buff, 2, true);
attila0970 0:60316223b876 144 flash.read(read_addr, data, range, false);
attila0970 0:60316223b876 145 char faszom = data[0];
attila0970 0:60316223b876 146 return faszom;
attila0970 0:60316223b876 147 }
attila0970 0:60316223b876 148
attila0970 0:60316223b876 149