wikara gunawan / Mbed OS DALI_RX_F446RE_NEW

DALI RECEIVE CODE

main.cpp@1:701388f40ea3, 2021-01-16 (annotated)

Committer:
wikarapg
Date:
Sat Jan 16 16:37:51 2021 +0000
Revision:
1:701388f40ea3
Parent:
0:d01bd4b990f0 
update to mbed-os 5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wikarapg 0:d01bd4b990f0 1 #include "mbed.h"
wikarapg 0:d01bd4b990f0 2 DigitalOut myled(LED1);
wikarapg 0:d01bd4b990f0 3 InterruptIn pulse(D8); //Pulse Monitoring Line
wikarapg 0:d01bd4b990f0 4 Ticker timer;
wikarapg 0:d01bd4b990f0 5 Timer t;
wikarapg 0:d01bd4b990f0 6 Timer s;
wikarapg 0:d01bd4b990f0 7 Timer bitime_low;
wikarapg 0:d01bd4b990f0 8 Timer bitime_high;
wikarapg 0:d01bd4b990f0 9
wikarapg 0:d01bd4b990f0 10 int highcount;
wikarapg 0:d01bd4b990f0 11 int lowcount;
wikarapg 0:d01bd4b990f0 12 int arr[17]; //Create an array of 8 se
wikarapg 0:d01bd4b990f0 13 int bit[8];
wikarapg 0:d01bd4b990f0 14 int i;
wikarapg 0:d01bd4b990f0 15 int k;
wikarapg 0:d01bd4b990f0 16 int startbit; //Parity bit to check / header bit
wikarapg 0:d01bd4b990f0 17 int addbit; // Int address to send bit to array
wikarapg 0:d01bd4b990f0 18 int addbit_low;
wikarapg 0:d01bd4b990f0 19 int addbit_high;
wikarapg 0:d01bd4b990f0 20 int packet_fin;
wikarapg 0:d01bd4b990f0 21 int startime;
wikarapg 0:d01bd4b990f0 22 int firstbit;
wikarapg 0:d01bd4b990f0 23 int fall_end;
wikarapg 0:d01bd4b990f0 24 int rise_end;
wikarapg 0:d01bd4b990f0 25
wikarapg 0:d01bd4b990f0 26
wikarapg 0:d01bd4b990f0 27 void risephase(){
wikarapg 0:d01bd4b990f0 28 fall_end = 0;
wikarapg 0:d01bd4b990f0 29 bitime_low.stop();
wikarapg 0:d01bd4b990f0 30 bitime_high.start();
wikarapg 0:d01bd4b990f0 31 addbit_high = bitime_low.read_us();
wikarapg 0:d01bd4b990f0 32
wikarapg 0:d01bd4b990f0 33 if (addbit_high < 855 && i < 17){
wikarapg 0:d01bd4b990f0 34 if(addbit_high > 800) {
wikarapg 0:d01bd4b990f0 35 arr[i] = 0;
wikarapg 0:d01bd4b990f0 36 arr[i+1] = 0;
wikarapg 0:d01bd4b990f0 37 i++;
wikarapg 0:d01bd4b990f0 38 i++;
wikarapg 0:d01bd4b990f0 39 }
wikarapg 0:d01bd4b990f0 40 else{
wikarapg 0:d01bd4b990f0 41 arr[i] = 0;
wikarapg 0:d01bd4b990f0 42 i++;
wikarapg 0:d01bd4b990f0 43 }
wikarapg 0:d01bd4b990f0 44
wikarapg 0:d01bd4b990f0 45 }
wikarapg 0:d01bd4b990f0 46 else {
wikarapg 0:d01bd4b990f0 47 packet_fin = 1;
wikarapg 0:d01bd4b990f0 48 }
wikarapg 0:d01bd4b990f0 49 bitime_low.reset();
wikarapg 0:d01bd4b990f0 50 rise_end = 1; //Switch states on risephase -> fallphase
wikarapg 0:d01bd4b990f0 51 }
wikarapg 0:d01bd4b990f0 52
wikarapg 0:d01bd4b990f0 53
wikarapg 0:d01bd4b990f0 54 void fallphase(){
wikarapg 0:d01bd4b990f0 55 rise_end = 0;
wikarapg 0:d01bd4b990f0 56 bitime_high.stop();
wikarapg 0:d01bd4b990f0 57 bitime_low.start();
wikarapg 0:d01bd4b990f0 58 addbit_low = bitime_high.read_us();
wikarapg 0:d01bd4b990f0 59 if(i == 15 && addbit > 416){
wikarapg 0:d01bd4b990f0 60 arr[i+1] = 1;
wikarapg 0:d01bd4b990f0 61 packet_fin = 1;
wikarapg 0:d01bd4b990f0 62 }
wikarapg 0:d01bd4b990f0 63 if (addbit_low < 855 && i < 16){
wikarapg 0:d01bd4b990f0 64 if(addbit_low > 800) {
wikarapg 0:d01bd4b990f0 65 arr[i] = 1;
wikarapg 0:d01bd4b990f0 66 arr[i+1] = 1;
wikarapg 0:d01bd4b990f0 67 i++;
wikarapg 0:d01bd4b990f0 68 i++;
wikarapg 0:d01bd4b990f0 69 }
wikarapg 0:d01bd4b990f0 70 else{
wikarapg 0:d01bd4b990f0 71 arr[i] = 1;
wikarapg 0:d01bd4b990f0 72 i++;
wikarapg 0:d01bd4b990f0 73 }
wikarapg 0:d01bd4b990f0 74 }
wikarapg 0:d01bd4b990f0 75 else{
wikarapg 0:d01bd4b990f0 76 packet_fin = 1;
wikarapg 0:d01bd4b990f0 77
wikarapg 0:d01bd4b990f0 78 }
wikarapg 0:d01bd4b990f0 79
wikarapg 0:d01bd4b990f0 80 bitime_high.reset();
wikarapg 0:d01bd4b990f0 81 fall_end = 1;
wikarapg 0:d01bd4b990f0 82 //Switch states on fallphase -> risephase / return to previous state
wikarapg 0:d01bd4b990f0 83 }
wikarapg 0:d01bd4b990f0 84
wikarapg 0:d01bd4b990f0 85 void starthigh() {
wikarapg 0:d01bd4b990f0 86 if (startbit == 0){
wikarapg 0:d01bd4b990f0 87 startbit = 1; //Activate next state
wikarapg 0:d01bd4b990f0 88 bitime_high.reset(); //No error on bittime bcs didn't reset
wikarapg 0:d01bd4b990f0 89 bitime_high.start();
wikarapg 0:d01bd4b990f0 90 s.stop();
wikarapg 0:d01bd4b990f0 91 startime = s.read_us();
wikarapg 0:d01bd4b990f0 92
wikarapg 0:d01bd4b990f0 93
wikarapg 0:d01bd4b990f0 94 //pulse.fall(&fallphase);
wikarapg 0:d01bd4b990f0 95 ///Reset timer
wikarapg 0:d01bd4b990f0 96 //if(startime > 416 && startime < 430){
wikarapg 0:d01bd4b990f0 97 // startbit = 1;
wikarapg 0:d01bd4b990f0 98 // }
wikarapg 0:d01bd4b990f0 99 s.reset();
wikarapg 0:d01bd4b990f0 100 rise_end = 1;
wikarapg 0:d01bd4b990f0 101 }
wikarapg 0:d01bd4b990f0 102 }
wikarapg 0:d01bd4b990f0 103
wikarapg 0:d01bd4b990f0 104 void startlow() {
wikarapg 0:d01bd4b990f0 105 //wait_us(400);
wikarapg 0:d01bd4b990f0 106 s.start();
wikarapg 0:d01bd4b990f0 107
wikarapg 0:d01bd4b990f0 108 if (startbit == 0){
wikarapg 0:d01bd4b990f0 109 pulse.rise(&starthigh);
wikarapg 0:d01bd4b990f0 110 } ///Gets starthigh
wikarapg 0:d01bd4b990f0 111 }
wikarapg 0:d01bd4b990f0 112
wikarapg 0:d01bd4b990f0 113
wikarapg 0:d01bd4b990f0 114 int main(){
wikarapg 0:d01bd4b990f0 115 while(1){
wikarapg 0:d01bd4b990f0 116 printf("hello world");
wikarapg 0:d01bd4b990f0 117 int j;
wikarapg 0:d01bd4b990f0 118
wikarapg 0:d01bd4b990f0 119 pulse.fall(&startlow); // Detect 1st bit as a parity bit / 1st State
wikarapg 0:d01bd4b990f0 120
wikarapg 0:d01bd4b990f0 121 if (startbit == 1){ // Detect the first fall after parity bit is confirmed, to check the length is X or 2X
wikarapg 0:d01bd4b990f0 122 //pulse.fall(&first_fallphase); // Enter state to detect phaseshifts
wikarapg 0:d01bd4b990f0 123
wikarapg 0:d01bd4b990f0 124 while(i < 17){ //Loop to process if bit index less than 16
wikarapg 0:d01bd4b990f0 125 if (fall_end == 1){
wikarapg 0:d01bd4b990f0 126 pulse.rise(&risephase);
wikarapg 0:d01bd4b990f0 127 }
wikarapg 0:d01bd4b990f0 128 if (rise_end == 1){
wikarapg 0:d01bd4b990f0 129 pulse.fall(&fallphase);
wikarapg 0:d01bd4b990f0 130 }
wikarapg 0:d01bd4b990f0 131 }
wikarapg 0:d01bd4b990f0 132
wikarapg 0:d01bd4b990f0 133 //while(bitcount < 8){
wikarapg 0:d01bd4b990f0 134 // pulse.rise(&red); //Service RISING EDGE Interrupt to pointer &NAME
wikarapg 0:d01bd4b990f0 135 // pulse.fall(&grn); //Service FALLING EDGE Interrupt to pointer &NAME
wikarapg 0:d01bd4b990f0 136 //}
wikarapg 0:d01bd4b990f0 137
wikarapg 0:d01bd4b990f0 138 if (packet_fin == 1) { //Finish coding one full packet
wikarapg 0:d01bd4b990f0 139
wikarapg 0:d01bd4b990f0 140
wikarapg 0:d01bd4b990f0 141
wikarapg 0:d01bd4b990f0 142 printf("parity: %d\n", startbit);
wikarapg 0:d01bd4b990f0 143 printf("startime: %d\n", startime);
wikarapg 0:d01bd4b990f0 144 printf("firstime: %d\n", firstbit);
wikarapg 0:d01bd4b990f0 145 i = 0; //Reset counter to fill a full array
wikarapg 0:d01bd4b990f0 146
wikarapg 0:d01bd4b990f0 147 startbit = 0; //Reset startbit to zero
wikarapg 0:d01bd4b990f0 148 //printf("%d\n", lowcount);
wikarapg 0:d01bd4b990f0 149 j = 0;
wikarapg 0:d01bd4b990f0 150
wikarapg 0:d01bd4b990f0 151 for (j = 1; j < 17; j++) {
wikarapg 0:d01bd4b990f0 152 printf("%d ", arr[j]);
wikarapg 0:d01bd4b990f0 153 }
wikarapg 0:d01bd4b990f0 154 printf("\n");
wikarapg 0:d01bd4b990f0 155 j = 0;
wikarapg 0:d01bd4b990f0 156 k = 0;
wikarapg 0:d01bd4b990f0 157 for (j = 1; j < 17; j++) {
wikarapg 0:d01bd4b990f0 158 if (arr[j] == 1 && arr[j+1] == 0){
wikarapg 0:d01bd4b990f0 159 bit[k] = 0;
wikarapg 0:d01bd4b990f0 160 k++;
wikarapg 0:d01bd4b990f0 161 j++;
wikarapg 0:d01bd4b990f0 162 }
wikarapg 0:d01bd4b990f0 163 else if (arr[j] == 0 && arr[j+1] == 1){
wikarapg 0:d01bd4b990f0 164
wikarapg 0:d01bd4b990f0 165 bit[k] = 1;
wikarapg 0:d01bd4b990f0 166 k++;
wikarapg 0:d01bd4b990f0 167 j++;
wikarapg 0:d01bd4b990f0 168
wikarapg 0:d01bd4b990f0 169
wikarapg 0:d01bd4b990f0 170 }
wikarapg 0:d01bd4b990f0 171 }
wikarapg 0:d01bd4b990f0 172 j = 0;
wikarapg 0:d01bd4b990f0 173
wikarapg 0:d01bd4b990f0 174
wikarapg 0:d01bd4b990f0 175 for (j = 0; j < 8; j++) {
wikarapg 0:d01bd4b990f0 176 printf("%d ", bit[j]);
wikarapg 0:d01bd4b990f0 177 }
wikarapg 0:d01bd4b990f0 178
wikarapg 0:d01bd4b990f0 179 j = 0; //Reset Counters
wikarapg 0:d01bd4b990f0 180 k = 0; //Reset Counters
wikarapg 0:d01bd4b990f0 181
wikarapg 0:d01bd4b990f0 182 printf("\n");
wikarapg 0:d01bd4b990f0 183 highcount = 0;
wikarapg 0:d01bd4b990f0 184 lowcount = 0;
wikarapg 0:d01bd4b990f0 185
wikarapg 0:d01bd4b990f0 186 for (j = 0; j < 17; j++) {
wikarapg 0:d01bd4b990f0 187 arr[j] = 0;
wikarapg 0:d01bd4b990f0 188 }
wikarapg 0:d01bd4b990f0 189 for (j = 0; j < 8; j++) {
wikarapg 0:d01bd4b990f0 190 bit[j] = 0;
wikarapg 0:d01bd4b990f0 191 }
wikarapg 0:d01bd4b990f0 192
wikarapg 0:d01bd4b990f0 193 }
wikarapg 0:d01bd4b990f0 194
wikarapg 0:d01bd4b990f0 195 }
wikarapg 0:d01bd4b990f0 196
wikarapg 0:d01bd4b990f0 197
wikarapg 0:d01bd4b990f0 198 }
wikarapg 0:d01bd4b990f0 199 }