Candy PERES
TP3 - Réseau terrain de supervision : CAN
speaker.cpp@3:478e83703442, 2017-06-02 (annotated)
- Committer:
- candybibby
- Date:
- Fri Jun 02 16:20:34 2017 +0000
- Revision:
- 3:478e83703442
Commit final
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| candybibby | 3:478e83703442 | 1 | #include "mbed.h" |
| candybibby | 3:478e83703442 | 2 | #include "rtos.h" |
| candybibby | 3:478e83703442 | 3 | |
| candybibby | 3:478e83703442 | 4 | #define SIG_RX_CAN 0x01 |
| candybibby | 3:478e83703442 | 5 | |
| candybibby | 3:478e83703442 | 6 | |
| candybibby | 3:478e83703442 | 7 | DigitalOut led1(LED1); |
| candybibby | 3:478e83703442 | 8 | DigitalOut led2(LED2); |
| candybibby | 3:478e83703442 | 9 | |
| candybibby | 3:478e83703442 | 10 | |
| candybibby | 3:478e83703442 | 11 | Thread threadA; |
| candybibby | 3:478e83703442 | 12 | Thread threadB; |
| candybibby | 3:478e83703442 | 13 | |
| candybibby | 3:478e83703442 | 14 | |
| candybibby | 3:478e83703442 | 15 | CAN CanPort(p30, p29); |
| candybibby | 3:478e83703442 | 16 | CANMessage MessageRx; |
| candybibby | 3:478e83703442 | 17 | CANMessage MessageTx; |
| candybibby | 3:478e83703442 | 18 | |
| candybibby | 3:478e83703442 | 19 | PwmOut Speaker(p21); |
| candybibby | 3:478e83703442 | 20 | |
| candybibby | 3:478e83703442 | 21 | unsigned int Id; |
| candybibby | 3:478e83703442 | 22 | |
| candybibby | 3:478e83703442 | 23 | void canReader(void) |
| candybibby | 3:478e83703442 | 24 | { |
| candybibby | 3:478e83703442 | 25 | if (CanPort.read(MessageRx)) |
| candybibby | 3:478e83703442 | 26 | { |
| candybibby | 3:478e83703442 | 27 | led1 = !led1; |
| candybibby | 3:478e83703442 | 28 | threadA.signal_set(SIG_RX_CAN); |
| candybibby | 3:478e83703442 | 29 | } |
| candybibby | 3:478e83703442 | 30 | } |
| candybibby | 3:478e83703442 | 31 | |
| candybibby | 3:478e83703442 | 32 | |
| candybibby | 3:478e83703442 | 33 | // THREAD DE RECEPTION |
| candybibby | 3:478e83703442 | 34 | void thA() |
| candybibby | 3:478e83703442 | 35 | { |
| candybibby | 3:478e83703442 | 36 | while(true) |
| candybibby | 3:478e83703442 | 37 | { |
| candybibby | 3:478e83703442 | 38 | // le thread attend un signe du canReader() |
| candybibby | 3:478e83703442 | 39 | Thread::signal_wait(SIG_RX_CAN); |
| candybibby | 3:478e83703442 | 40 | led2 = !led2; |
| candybibby | 3:478e83703442 | 41 | |
| candybibby | 3:478e83703442 | 42 | // si l'ID correspond à notre protocole applicatif ( 0X111 pour le speaker) |
| candybibby | 3:478e83703442 | 43 | // alors on traite la trame, sinon on ne fait rien |
| candybibby | 3:478e83703442 | 44 | if (MessageRx.id == 0x111){ |
| candybibby | 3:478e83703442 | 45 | |
| candybibby | 3:478e83703442 | 46 | // la lecture du badge est autorisée (data reçue : 0x01) |
| candybibby | 3:478e83703442 | 47 | if (MessageRx.data[0] == 0x01){ |
| candybibby | 3:478e83703442 | 48 | led1 = !led1; |
| candybibby | 3:478e83703442 | 49 | // on fait 2 bips |
| candybibby | 3:478e83703442 | 50 | Speaker.write(0.3); |
| candybibby | 3:478e83703442 | 51 | wait(0.1); |
| candybibby | 3:478e83703442 | 52 | Speaker.write(0.3); |
| candybibby | 3:478e83703442 | 53 | wait(0.1); |
| candybibby | 3:478e83703442 | 54 | |
| candybibby | 3:478e83703442 | 55 | } |
| candybibby | 3:478e83703442 | 56 | else if (MessageRx.data[0] == 0x00){ |
| candybibby | 3:478e83703442 | 57 | // dans ce cas là, l'accès est refusée (data reçue : 0x00) |
| candybibby | 3:478e83703442 | 58 | led1 = !led1; |
| candybibby | 3:478e83703442 | 59 | // on fait 6 petits bips |
| candybibby | 3:478e83703442 | 60 | for (int i = 0; i<6 ; i++){ |
| candybibby | 3:478e83703442 | 61 | Speaker.write(0.1); |
| candybibby | 3:478e83703442 | 62 | wait(0.1); |
| candybibby | 3:478e83703442 | 63 | } |
| candybibby | 3:478e83703442 | 64 | } |
| candybibby | 3:478e83703442 | 65 | } |
| candybibby | 3:478e83703442 | 66 | |
| candybibby | 3:478e83703442 | 67 | } |
| candybibby | 3:478e83703442 | 68 | } |
| candybibby | 3:478e83703442 | 69 | |
| candybibby | 3:478e83703442 | 70 | // THREAD D'ENVOI |
| candybibby | 3:478e83703442 | 71 | /*void thB() |
| candybibby | 3:478e83703442 | 72 | { |
| candybibby | 3:478e83703442 | 73 | while (true) |
| candybibby | 3:478e83703442 | 74 | { |
| candybibby | 3:478e83703442 | 75 | led1 = !led1; |
| candybibby | 3:478e83703442 | 76 | printf("TIC3s\n"); |
| candybibby | 3:478e83703442 | 77 | MessageTx.id=Id; |
| candybibby | 3:478e83703442 | 78 | CanPort.write(MessageTx); |
| candybibby | 3:478e83703442 | 79 | |
| candybibby | 3:478e83703442 | 80 | if (Id < 0x3FF) Id++; |
| candybibby | 3:478e83703442 | 81 | else Id = 0x000; |
| candybibby | 3:478e83703442 | 82 | |
| candybibby | 3:478e83703442 | 83 | wait(3); |
| candybibby | 3:478e83703442 | 84 | } |
| candybibby | 3:478e83703442 | 85 | } |
| candybibby | 3:478e83703442 | 86 | */ |
| candybibby | 3:478e83703442 | 87 | |
| candybibby | 3:478e83703442 | 88 | |
| candybibby | 3:478e83703442 | 89 | int main() |
| candybibby | 3:478e83703442 | 90 | { |
| candybibby | 3:478e83703442 | 91 | CanPort.frequency(20000); |
| candybibby | 3:478e83703442 | 92 | |
| candybibby | 3:478e83703442 | 93 | CanPort.attach(canReader,CAN::RxIrq); |
| candybibby | 3:478e83703442 | 94 | |
| candybibby | 3:478e83703442 | 95 | threadA.start(thA); |
| candybibby | 3:478e83703442 | 96 | |
| candybibby | 3:478e83703442 | 97 | led1 = 0; |
| candybibby | 3:478e83703442 | 98 | printf("Start OK\n"); |
| candybibby | 3:478e83703442 | 99 | |
| candybibby | 3:478e83703442 | 100 | while (true) |
| candybibby | 3:478e83703442 | 101 | { |
| candybibby | 3:478e83703442 | 102 | |
| candybibby | 3:478e83703442 | 103 | } |
| candybibby | 3:478e83703442 | 104 | } |
| candybibby | 3:478e83703442 | 105 |