Leo Merel
/
APP4
APP4
Fork of rtos_basic by
main.cpp@14:42a7d108b134, 2018-10-21 (annotated)
- Committer:
- leomerel
- Date:
- Sun Oct 21 21:54:28 2018 +0000
- Revision:
- 14:42a7d108b134
- Parent:
- 13:3c020f9bfdc7
- Child:
- 15:872151771dec
Envoi fini et debut reception
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
emilmont | 1:491820ee784d | 1 | #include "mbed.h" |
leomerel | 14:42a7d108b134 | 2 | #include "rtos.h" |
jpbaillargeon | 13:3c020f9bfdc7 | 3 | |
leomerel | 14:42a7d108b134 | 4 | DigitalOut dout(p18); |
leomerel | 14:42a7d108b134 | 5 | InterruptIn button(p5); |
leomerel | 14:42a7d108b134 | 6 | DigitalOut led(LED1); |
leomerel | 14:42a7d108b134 | 7 | DigitalOut flash(LED4); |
leomerel | 12:cfa3dec9e9a3 | 8 | |
leomerel | 14:42a7d108b134 | 9 | int periode = 10; //10ms |
leomerel | 12:cfa3dec9e9a3 | 10 | bool PREAMBULE[] = {0,1,0,1,0,1,0,1}; |
leomerel | 12:cfa3dec9e9a3 | 11 | bool START_END[] = {0,1,1,1,1,1,1,0}; |
leomerel | 14:42a7d108b134 | 12 | Thread envoi_t; |
leomerel | 14:42a7d108b134 | 13 | Thread reception_t; |
leomerel | 14:42a7d108b134 | 14 | Mutex mutex; |
leomerel | 14:42a7d108b134 | 15 | Mail<bool,16> mailbox; |
leomerel | 12:cfa3dec9e9a3 | 16 | |
leomerel | 14:42a7d108b134 | 17 | bool messageUtile[64] = {0,0,1,0,1,1,1,0, |
leomerel | 14:42a7d108b134 | 18 | 1,0,1,0,0,0,0,0, |
leomerel | 14:42a7d108b134 | 19 | 0,0,1,1,1,0,1,0, |
leomerel | 14:42a7d108b134 | 20 | 1,1,0,0,0,1,1,0, |
leomerel | 14:42a7d108b134 | 21 | 0,1,0,1,1,0,1,1, |
leomerel | 14:42a7d108b134 | 22 | 1,0,1,0,1,1,1,0, |
leomerel | 14:42a7d108b134 | 23 | 0,0,1,0,1,0,0,0, |
leomerel | 14:42a7d108b134 | 24 | 1,0,1,0,1,1,0,0}; |
leomerel | 12:cfa3dec9e9a3 | 25 | |
leomerel | 14:42a7d108b134 | 26 | //convert length from int to binary ----------------------------------------------------------------------------------------------------- |
leomerel | 14:42a7d108b134 | 27 | bool r; |
leomerel | 14:42a7d108b134 | 28 | void int_to_bin(bool bin[8], int length){ //Fonctionne |
leomerel | 14:42a7d108b134 | 29 | int i = 0; |
leomerel | 14:42a7d108b134 | 30 | while(length >0 || i<8){ |
leomerel | 14:42a7d108b134 | 31 | r = length%2; |
leomerel | 14:42a7d108b134 | 32 | length/=2; |
leomerel | 14:42a7d108b134 | 33 | bin[7-i]=r; |
leomerel | 14:42a7d108b134 | 34 | i++; |
leomerel | 14:42a7d108b134 | 35 | } |
leomerel | 14:42a7d108b134 | 36 | while(i<8){ |
leomerel | 14:42a7d108b134 | 37 | bin[i]=0; |
leomerel | 14:42a7d108b134 | 38 | i++; |
leomerel | 14:42a7d108b134 | 39 | } |
leomerel | 14:42a7d108b134 | 40 | } |
leomerel | 14:42a7d108b134 | 41 | |
leomerel | 14:42a7d108b134 | 42 | //convert to Manchester ------------------------------------------------------------------------------------------------ |
leomerel | 14:42a7d108b134 | 43 | void convertBitToManchester(bool *manchester, bool bit){ //Fonctionne |
leomerel | 14:42a7d108b134 | 44 | if(bit == 0){ |
leomerel | 14:42a7d108b134 | 45 | manchester[0]=0; |
leomerel | 14:42a7d108b134 | 46 | manchester[1]=1; |
leomerel | 12:cfa3dec9e9a3 | 47 | } |
leomerel | 14:42a7d108b134 | 48 | else if(bit == 1){ |
leomerel | 14:42a7d108b134 | 49 | manchester[0]=1; |
leomerel | 14:42a7d108b134 | 50 | manchester[1]=0; |
emilmont | 1:491820ee784d | 51 | } |
emilmont | 1:491820ee784d | 52 | } |
leomerel | 12:cfa3dec9e9a3 | 53 | |
leomerel | 14:42a7d108b134 | 54 | void convertByteToManchester(bool *manchester, bool byte[8]){ //Fonctionne |
leomerel | 14:42a7d108b134 | 55 | for(int i=0; i<8; i++){ |
leomerel | 14:42a7d108b134 | 56 | if(byte[i] == 0){ |
leomerel | 14:42a7d108b134 | 57 | manchester[i*2]=0; |
leomerel | 14:42a7d108b134 | 58 | manchester[i*2+1]=1; |
leomerel | 14:42a7d108b134 | 59 | } |
leomerel | 14:42a7d108b134 | 60 | else if(byte[i] == 1){ |
leomerel | 14:42a7d108b134 | 61 | manchester[i*2]=1; |
leomerel | 14:42a7d108b134 | 62 | manchester[i*2+1]=0; |
leomerel | 14:42a7d108b134 | 63 | } |
leomerel | 14:42a7d108b134 | 64 | } |
leomerel | 14:42a7d108b134 | 65 | } |
leomerel | 12:cfa3dec9e9a3 | 66 | |
leomerel | 14:42a7d108b134 | 67 | void convertMessageToManchester(bool *manchester, bool *message, int length){ |
leomerel | 14:42a7d108b134 | 68 | for(int i=0; i<length; i++){ |
leomerel | 14:42a7d108b134 | 69 | if(message[i] == 0){ |
leomerel | 14:42a7d108b134 | 70 | manchester[i*2]=0; |
leomerel | 14:42a7d108b134 | 71 | manchester[i*2+1]=1; |
leomerel | 14:42a7d108b134 | 72 | } |
leomerel | 14:42a7d108b134 | 73 | else if(message[i] == 1){ |
leomerel | 14:42a7d108b134 | 74 | manchester[i*2]=1; |
leomerel | 14:42a7d108b134 | 75 | manchester[i*2+1]=0; |
leomerel | 14:42a7d108b134 | 76 | } |
leomerel | 14:42a7d108b134 | 77 | } |
leomerel | 12:cfa3dec9e9a3 | 78 | } |
leomerel | 12:cfa3dec9e9a3 | 79 | |
leomerel | 14:42a7d108b134 | 80 | //création d'une trame -------------------------------------------------------------------------------------------------------------- |
leomerel | 14:42a7d108b134 | 81 | void creationTrame(bool *message, int length){ //Fonctionne |
leomerel | 14:42a7d108b134 | 82 | printf("OK1 \r\n"); |
leomerel | 14:42a7d108b134 | 83 | bool bin[8]; |
leomerel | 14:42a7d108b134 | 84 | int_to_bin(bin, length); |
leomerel | 14:42a7d108b134 | 85 | printf("OK2 \r\n"); |
leomerel | 14:42a7d108b134 | 86 | for(int i=0; i<8; i++){ |
leomerel | 14:42a7d108b134 | 87 | *message=PREAMBULE[i]; |
leomerel | 14:42a7d108b134 | 88 | message++; |
leomerel | 14:42a7d108b134 | 89 | } |
leomerel | 14:42a7d108b134 | 90 | printf("OK3 \r\n"); |
leomerel | 14:42a7d108b134 | 91 | for(int i=0; i<8; i++){ |
leomerel | 14:42a7d108b134 | 92 | *message=START_END[i]; |
leomerel | 14:42a7d108b134 | 93 | message++; |
leomerel | 14:42a7d108b134 | 94 | } |
leomerel | 14:42a7d108b134 | 95 | for(int i=0; i<8; i++){ |
leomerel | 14:42a7d108b134 | 96 | *message=0; |
leomerel | 14:42a7d108b134 | 97 | message++; |
leomerel | 14:42a7d108b134 | 98 | } |
leomerel | 14:42a7d108b134 | 99 | for(int i=0; i<8; i++){ |
leomerel | 14:42a7d108b134 | 100 | *message=bin[i]; |
leomerel | 14:42a7d108b134 | 101 | message++; |
leomerel | 14:42a7d108b134 | 102 | } |
leomerel | 14:42a7d108b134 | 103 | for(int i=0; i<sizeof(messageUtile); i++){ |
leomerel | 14:42a7d108b134 | 104 | *message=messageUtile[i]; |
leomerel | 14:42a7d108b134 | 105 | message++; |
leomerel | 14:42a7d108b134 | 106 | } |
leomerel | 14:42a7d108b134 | 107 | //CRC16 |
leomerel | 14:42a7d108b134 | 108 | for(int i=0; i<8; i++){ |
leomerel | 14:42a7d108b134 | 109 | *message=0; |
leomerel | 14:42a7d108b134 | 110 | message++; |
leomerel | 14:42a7d108b134 | 111 | } |
leomerel | 14:42a7d108b134 | 112 | for(int i=0; i<8; i++){ |
leomerel | 14:42a7d108b134 | 113 | *message=START_END[i]; |
leomerel | 14:42a7d108b134 | 114 | message++; |
leomerel | 14:42a7d108b134 | 115 | } |
leomerel | 14:42a7d108b134 | 116 | } |
leomerel | 14:42a7d108b134 | 117 | |
leomerel | 14:42a7d108b134 | 118 | //Envoi d'une trame ---------------------------------------------------------------------------------------------------------------- |
leomerel | 14:42a7d108b134 | 119 | void envoiTrame(){ |
leomerel | 14:42a7d108b134 | 120 | int length3 = sizeof(messageUtile); |
leomerel | 14:42a7d108b134 | 121 | bool message3[length3+6*8]; |
leomerel | 14:42a7d108b134 | 122 | bool manchester3[(length3+6*8)*2]; |
leomerel | 14:42a7d108b134 | 123 | |
leomerel | 14:42a7d108b134 | 124 | creationTrame(message3,length3); |
leomerel | 14:42a7d108b134 | 125 | convertMessageToManchester(manchester3, message3,length3+6*8); |
leomerel | 14:42a7d108b134 | 126 | |
leomerel | 14:42a7d108b134 | 127 | for(int i=0; i<sizeof(manchester3); i++){ |
leomerel | 14:42a7d108b134 | 128 | dout = manchester3[i]; |
leomerel | 14:42a7d108b134 | 129 | Thread::wait(periode); |
leomerel | 14:42a7d108b134 | 130 | } |
leomerel | 14:42a7d108b134 | 131 | } |
leomerel | 14:42a7d108b134 | 132 | |
leomerel | 14:42a7d108b134 | 133 | //CRC16 (détection des erreurs) ---------------------------------------------------------------------------------------------------- |
leomerel | 14:42a7d108b134 | 134 | unsigned short crc16(const unsigned char* data_p, unsigned char length){ |
leomerel | 14:42a7d108b134 | 135 | unsigned char x; |
leomerel | 14:42a7d108b134 | 136 | unsigned short crc = 0xFFFF; |
leomerel | 14:42a7d108b134 | 137 | |
leomerel | 14:42a7d108b134 | 138 | while (length--){ |
leomerel | 14:42a7d108b134 | 139 | x = crc >> 8 ^ *data_p++; |
leomerel | 14:42a7d108b134 | 140 | x ^= x>>4; |
leomerel | 14:42a7d108b134 | 141 | crc = (crc << 8) ^ ((unsigned short)(x << 12)) ^ ((unsigned short)(x <<5)) ^ ((unsigned short)x); |
leomerel | 14:42a7d108b134 | 142 | } |
leomerel | 14:42a7d108b134 | 143 | return crc; |
leomerel | 14:42a7d108b134 | 144 | } |
leomerel | 14:42a7d108b134 | 145 | |
leomerel | 14:42a7d108b134 | 146 | //detection du préambule |
leomerel | 14:42a7d108b134 | 147 | void detectionPreambule() { |
leomerel | 14:42a7d108b134 | 148 | while(1){ |
leomerel | 14:42a7d108b134 | 149 | printf("\r\n C'est bon \r\n"); |
leomerel | 14:42a7d108b134 | 150 | mutex.lock(); |
leomerel | 14:42a7d108b134 | 151 | } |
leomerel | 14:42a7d108b134 | 152 | } |
leomerel | 14:42a7d108b134 | 153 | |
leomerel | 12:cfa3dec9e9a3 | 154 | //reception des trames |
leomerel | 14:42a7d108b134 | 155 | void receptionTrames(){ |
leomerel | 14:42a7d108b134 | 156 | printf("\r\n C'est bon 2 \r\n"); |
leomerel | 14:42a7d108b134 | 157 | |
leomerel | 14:42a7d108b134 | 158 | } |
leomerel | 14:42a7d108b134 | 159 | |
leomerel | 14:42a7d108b134 | 160 | //decode Manchester ------------------------------------------------------------------------------------------------------------------ |
leomerel | 14:42a7d108b134 | 161 | void decodeManchester(bool *data){ |
leomerel | 14:42a7d108b134 | 162 | |
leomerel | 14:42a7d108b134 | 163 | } |
leomerel | 14:42a7d108b134 | 164 | |
leomerel | 14:42a7d108b134 | 165 | |
leomerel | 14:42a7d108b134 | 166 | |
leomerel | 12:cfa3dec9e9a3 | 167 | //assemblage des trames |
leomerel | 12:cfa3dec9e9a3 | 168 | //desassemblage des trames |
leomerel | 12:cfa3dec9e9a3 | 169 | |
leomerel | 12:cfa3dec9e9a3 | 170 | |
leomerel | 14:42a7d108b134 | 171 | void flip() { |
leomerel | 14:42a7d108b134 | 172 | led = !led; |
leomerel | 14:42a7d108b134 | 173 | //printf("\r\n C'est bon \r\n"); |
leomerel | 14:42a7d108b134 | 174 | } |
leomerel | 14:42a7d108b134 | 175 | |
leomerel | 14:42a7d108b134 | 176 | |
emilmont | 1:491820ee784d | 177 | int main() { |
leomerel | 14:42a7d108b134 | 178 | /*while(1) { |
leomerel | 12:cfa3dec9e9a3 | 179 | for(int i=0; i<sizeof(message); i++){ |
leomerel | 12:cfa3dec9e9a3 | 180 | convertToManchester(message[i]); |
leomerel | 12:cfa3dec9e9a3 | 181 | printf("OK\r\n"); |
leomerel | 12:cfa3dec9e9a3 | 182 | } |
leomerel | 14:42a7d108b134 | 183 | wait(1);*/ |
leomerel | 14:42a7d108b134 | 184 | /*int length = sizeof(message); |
leomerel | 14:42a7d108b134 | 185 | printf("%d \r\n", length); |
leomerel | 14:42a7d108b134 | 186 | printf("Binary length : "); |
leomerel | 14:42a7d108b134 | 187 | for(int i=0; i<8; i++){ |
leomerel | 14:42a7d108b134 | 188 | printf("%d",bin[i]); |
leomerel | 14:42a7d108b134 | 189 | } |
leomerel | 14:42a7d108b134 | 190 | printf("\r\n");*/ |
leomerel | 14:42a7d108b134 | 191 | |
leomerel | 14:42a7d108b134 | 192 | int length = sizeof(messageUtile); |
leomerel | 14:42a7d108b134 | 193 | bool message[length+6*8]; |
leomerel | 14:42a7d108b134 | 194 | creationTrame(message,length); |
leomerel | 14:42a7d108b134 | 195 | printf("Message : "); |
leomerel | 14:42a7d108b134 | 196 | for(int i=0; i<sizeof(message); i++){ |
leomerel | 14:42a7d108b134 | 197 | if(i>0 && i%8 == 0){ |
leomerel | 14:42a7d108b134 | 198 | printf(" "); |
leomerel | 14:42a7d108b134 | 199 | } |
leomerel | 14:42a7d108b134 | 200 | printf("%d",message[i]); |
leomerel | 14:42a7d108b134 | 201 | } |
leomerel | 14:42a7d108b134 | 202 | printf("\r\n"); |
leomerel | 14:42a7d108b134 | 203 | |
leomerel | 14:42a7d108b134 | 204 | |
leomerel | 14:42a7d108b134 | 205 | bool manchester[16]; |
leomerel | 14:42a7d108b134 | 206 | bool byte[8] = {0,1,0,0,1,1,1,0}; |
leomerel | 14:42a7d108b134 | 207 | convertByteToManchester(manchester,byte); |
leomerel | 14:42a7d108b134 | 208 | printf("Manchester : "); |
leomerel | 14:42a7d108b134 | 209 | for(int i=0; i<16; i++){ |
leomerel | 14:42a7d108b134 | 210 | if(i>0 && i%2 == 0){ |
leomerel | 14:42a7d108b134 | 211 | printf(" "); |
leomerel | 14:42a7d108b134 | 212 | } |
leomerel | 14:42a7d108b134 | 213 | printf("%d",manchester[i]); |
leomerel | 14:42a7d108b134 | 214 | } |
leomerel | 14:42a7d108b134 | 215 | printf("\r\n"); |
leomerel | 14:42a7d108b134 | 216 | |
leomerel | 14:42a7d108b134 | 217 | int length2 = sizeof(messageUtile); |
leomerel | 14:42a7d108b134 | 218 | bool message2[length2+6*8]; |
leomerel | 14:42a7d108b134 | 219 | bool manchester2[(length2+6*8)*2]; |
leomerel | 14:42a7d108b134 | 220 | creationTrame(message2,length2); |
leomerel | 14:42a7d108b134 | 221 | convertMessageToManchester(manchester2, message2, length2+6*8); |
leomerel | 14:42a7d108b134 | 222 | printf("Message : \r\n"); |
leomerel | 14:42a7d108b134 | 223 | for(int i=0; i<sizeof(manchester2); i++){ |
leomerel | 14:42a7d108b134 | 224 | if(i>0 && i%16 == 0){ |
leomerel | 14:42a7d108b134 | 225 | printf("\r\n"); |
leomerel | 14:42a7d108b134 | 226 | } |
leomerel | 14:42a7d108b134 | 227 | if(i>0 && i%2 == 0){ |
leomerel | 14:42a7d108b134 | 228 | printf(" "); |
leomerel | 14:42a7d108b134 | 229 | } |
leomerel | 14:42a7d108b134 | 230 | printf("%d",manchester2[i]); |
leomerel | 14:42a7d108b134 | 231 | } |
leomerel | 14:42a7d108b134 | 232 | printf("\r\n"); |
leomerel | 14:42a7d108b134 | 233 | |
leomerel | 14:42a7d108b134 | 234 | envoi_t.start(envoiTrame); |
leomerel | 14:42a7d108b134 | 235 | reception_t.start(receptionTrames); |
leomerel | 14:42a7d108b134 | 236 | button.rise(&flip); // attach the address of the flip function to the rising edge |
leomerel | 14:42a7d108b134 | 237 | while(1) { // wait around, interrupts will interrupt this! |
leomerel | 14:42a7d108b134 | 238 | flash = !flash; |
leomerel | 14:42a7d108b134 | 239 | wait(0.25); |
leomerel | 14:42a7d108b134 | 240 | } |
emilmont | 1:491820ee784d | 241 | } |
leomerel | 12:cfa3dec9e9a3 | 242 | |
leomerel | 12:cfa3dec9e9a3 | 243 |