Thomas Cauwelier / Mbed 2 deprecated visible_light_communication

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Dependencies:   SoftSerial SDFileSystem mbed wave_player

main.cpp@18:3aeaa22b265d, 2017-05-10 (annotated)

Committer:
Desertification
Date:
Wed May 10 15:54:29 2017 +0000
Revision:
18:3aeaa22b265d
Parent:
17:8683abdc1912
Child:
21:2a91babf5a6d
test 16 bit encoded transmission

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Desertification 1:6b839581dc9f 1
Desertification 1:6b839581dc9f 2 #include "mbed.h"
Thomas Cauwelier 6:0e1973fdfe28 3 #include "rtos.h"
Thomas Cauwelier 9:d95984ce5de9 4 #include "Manchester.h"
Thomas Cauwelier 12:a070de571ea1 5 #include "SoftSerial.h"
Thomas Cauwelier 15:75f9bd5d7659 6 #include "MySoftSerial.h"
Thomas Cauwelier 6:0e1973fdfe28 7
Thomas Cauwelier 12:a070de571ea1 8 //Serial out(p9, p10, 3200); //p9
Thomas Cauwelier 12:a070de571ea1 9 //Serial in(p13, p14, 3200); //p14
Thomas Cauwelier 12:a070de571ea1 10 //Serial usb(USBTX,USBRX);
Thomas Cauwelier 12:a070de571ea1 11 //
Thomas Cauwelier 12:a070de571ea1 12 //char *read_2_bytes(Serial *serial, char out[2]) {
Thomas Cauwelier 12:a070de571ea1 13 // int i = 0;
Thomas Cauwelier 12:a070de571ea1 14 // while (true) {
Thomas Cauwelier 12:a070de571ea1 15 // while (!serial->readable());
Thomas Cauwelier 12:a070de571ea1 16 // char c = (char) serial->getc();
Thomas Cauwelier 12:a070de571ea1 17 // if (c == 0b11100011) //no data flag
Thomas Cauwelier 12:a070de571ea1 18 // continue;
Thomas Cauwelier 12:a070de571ea1 19 // else {
Thomas Cauwelier 12:a070de571ea1 20 // out[i] = c;
Thomas Cauwelier 12:a070de571ea1 21 // i++;
Thomas Cauwelier 12:a070de571ea1 22 // }
Thomas Cauwelier 12:a070de571ea1 23 //
Thomas Cauwelier 12:a070de571ea1 24 // if (i == 2) {
Thomas Cauwelier 12:a070de571ea1 25 // break;
Thomas Cauwelier 12:a070de571ea1 26 // }
Thomas Cauwelier 12:a070de571ea1 27 // }
Thomas Cauwelier 12:a070de571ea1 28 // return out;
Thomas Cauwelier 12:a070de571ea1 29 //}
Thomas Cauwelier 12:a070de571ea1 30 //
Thomas Cauwelier 12:a070de571ea1 31 //
Thomas Cauwelier 12:a070de571ea1 32 //void receive_uart() {
Thomas Cauwelier 12:a070de571ea1 33 // while (true) {
Thomas Cauwelier 12:a070de571ea1 34 // if (in.readable()) {
Thomas Cauwelier 12:a070de571ea1 35 // char s[2];
Thomas Cauwelier 12:a070de571ea1 36 // read_2_bytes(&in, s);
Thomas Cauwelier 12:a070de571ea1 37 // char dec[1];
Thomas Cauwelier 12:a070de571ea1 38 // bool success = Manchester::decode_manchester(s, 2, dec);
Thomas Cauwelier 12:a070de571ea1 39 // printf(dec);
Thomas Cauwelier 12:a070de571ea1 40 // if (!success) {
Thomas Cauwelier 12:a070de571ea1 41 // printf("#");
Thomas Cauwelier 12:a070de571ea1 42 // }
Thomas Cauwelier 12:a070de571ea1 43 // } else {
Thomas Cauwelier 12:a070de571ea1 44 // Thread::yield();
Thomas Cauwelier 12:a070de571ea1 45 // }
Thomas Cauwelier 12:a070de571ea1 46 // }
Thomas Cauwelier 12:a070de571ea1 47 //}
Thomas Cauwelier 12:a070de571ea1 48 //
Thomas Cauwelier 12:a070de571ea1 49 //void send_uart(Serial *serial, const char *s, int size) {
Thomas Cauwelier 12:a070de571ea1 50 // int size_m = size * 2;
Thomas Cauwelier 12:a070de571ea1 51 // char encoded[size_m];
Thomas Cauwelier 12:a070de571ea1 52 // Manchester::encode_manchester(s, size, encoded);
Thomas Cauwelier 12:a070de571ea1 53 //
Thomas Cauwelier 12:a070de571ea1 54 // for (int i = 0; i < size_m; ++i) {
Thomas Cauwelier 12:a070de571ea1 55 // while (!serial->writeable());
Thomas Cauwelier 12:a070de571ea1 56 // serial->putc(encoded[i]);
Thomas Cauwelier 12:a070de571ea1 57 // }
Thomas Cauwelier 12:a070de571ea1 58 //}
Thomas Cauwelier 12:a070de571ea1 59 //
Thomas Cauwelier 12:a070de571ea1 60 //void hardware_uart_test(){
Thomas Cauwelier 12:a070de571ea1 61 //
Thomas Cauwelier 12:a070de571ea1 62 //
Thomas Cauwelier 12:a070de571ea1 63 // printf("%s\r\n", "hello, term!");
Thomas Cauwelier 12:a070de571ea1 64 //
Thomas Cauwelier 12:a070de571ea1 65 // Thread thread;
Thomas Cauwelier 12:a070de571ea1 66 // thread.start(receive_uart);
Thomas Cauwelier 12:a070de571ea1 67 //
Thomas Cauwelier 12:a070de571ea1 68 // while (true) {
Thomas Cauwelier 12:a070de571ea1 69 // char tosend[28];
Thomas Cauwelier 12:a070de571ea1 70 // Manchester::encode_manchester("hello, term\r\n", 14, tosend);
Thomas Cauwelier 12:a070de571ea1 71 // send_uart(&out, tosend, 28);
Thomas Cauwelier 12:a070de571ea1 72 // //wait(1);
Thomas Cauwelier 12:a070de571ea1 73 // }
Thomas Cauwelier 12:a070de571ea1 74 //}
Desertification 1:6b839581dc9f 75
Thomas Cauwelier 13:c111ea1c5990 76 void client(){
Thomas Cauwelier 15:75f9bd5d7659 77 MySoftSerial s(p18,p17);
Desertification 16:1a0589d846bf 78 s.baud(20000);
Thomas Cauwelier 17:8683abdc1912 79 //s.format(16, SoftSerial::None, 1);
Thomas Cauwelier 13:c111ea1c5990 80 while (true) {
Thomas Cauwelier 13:c111ea1c5990 81 while (!s.readable());
Desertification 14:e29cca7e64b2 82 printf("got %i\r\n",s.getc());
Thomas Cauwelier 13:c111ea1c5990 83 }
Thomas Cauwelier 13:c111ea1c5990 84 }
Thomas Cauwelier 13:c111ea1c5990 85
Thomas Cauwelier 13:c111ea1c5990 86 void relay(){
Desertification 16:1a0589d846bf 87 MySoftSerial s(p17,p18);
Desertification 16:1a0589d846bf 88 s.baud(20000);
Thomas Cauwelier 17:8683abdc1912 89 //s.format(16, SoftSerial::None, 1);
Desertification 14:e29cca7e64b2 90 int i = 0;
Thomas Cauwelier 13:c111ea1c5990 91 while (true){
Desertification 18:3aeaa22b265d 92 wait(0.005);
Desertification 18:3aeaa22b265d 93 for (int j = 0; j < 1; ++j) {
Desertification 16:1a0589d846bf 94 while(!s.writeable());
Desertification 16:1a0589d846bf 95 //printf("put %i\r\n", 0b0101010100110011);
Desertification 16:1a0589d846bf 96 //s.putc(0b0101010100110011);
Desertification 16:1a0589d846bf 97 printf("put %i\r\n", i);
Desertification 16:1a0589d846bf 98 //s.putc(0b0000000000000000);
Desertification 18:3aeaa22b265d 99 //s.putc(0b0000000000001111);
Desertification 18:3aeaa22b265d 100 s.putc(i);
Desertification 16:1a0589d846bf 101 i++;
Desertification 16:1a0589d846bf 102 }
Thomas Cauwelier 13:c111ea1c5990 103 }
Thomas Cauwelier 13:c111ea1c5990 104 }
Thomas Cauwelier 13:c111ea1c5990 105
Thomas Cauwelier 12:a070de571ea1 106 #define RELAY 1
Thomas Cauwelier 11:e462ce7a42b9 107
Thomas Cauwelier 13:c111ea1c5990 108 Serial usb(USBTX,USBRX);
Thomas Cauwelier 13:c111ea1c5990 109
Desertification 1:6b839581dc9f 110 int main() {
Thomas Cauwelier 13:c111ea1c5990 111 usb.baud(115200);
Thomas Cauwelier 12:a070de571ea1 112 if (RELAY){
Thomas Cauwelier 13:c111ea1c5990 113 printf("relay\r\n");
Thomas Cauwelier 13:c111ea1c5990 114 relay();
Thomas Cauwelier 12:a070de571ea1 115 } else {
Thomas Cauwelier 13:c111ea1c5990 116 printf("client\r\n");
Thomas Cauwelier 13:c111ea1c5990 117 client();
Thomas Cauwelier 6:0e1973fdfe28 118 }
thoma@THOMAS-CAUWELIER.khbo.be 4:a07612fbf279 119 }