Arthur Semjonov
/
Serial_Communication_Slave
Slave serial com
Fork of Serial_Communication_Slave by
Companion.cpp@2:b7eee254a06e, 2014-02-19 (annotated)
- Committer:
- ArthurSemjonov
- Date:
- Wed Feb 19 16:16:12 2014 +0000
- Revision:
- 2:b7eee254a06e
Companion code
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ArthurSemjonov | 2:b7eee254a06e | 1 | #include "mbed.h" |
ArthurSemjonov | 2:b7eee254a06e | 2 | #include "TARDIS_ARCHIVE.h" |
ArthurSemjonov | 2:b7eee254a06e | 3 | |
ArthurSemjonov | 2:b7eee254a06e | 4 | /* @author: Arthur Semjonov |
ArthurSemjonov | 2:b7eee254a06e | 5 | * @author: Jonathan Pucceti |
ArthurSemjonov | 2:b7eee254a06e | 6 | */ |
ArthurSemjonov | 2:b7eee254a06e | 7 | DigitalOut l(LED1), l2(LED2), l3(LED3), l4(LED4); |
ArthurSemjonov | 2:b7eee254a06e | 8 | /********************************************************/ |
ArthurSemjonov | 2:b7eee254a06e | 9 | AnalogIn pitch(p19); //Potentiometer sets up the pitch of the song |
ArthurSemjonov | 2:b7eee254a06e | 10 | AnalogIn tempo(p20); //Potentiometer to set tempo of the song |
ArthurSemjonov | 2:b7eee254a06e | 11 | DigitalIn joyUP(p15); //Play song of the Doctor (Master) |
ArthurSemjonov | 2:b7eee254a06e | 12 | DigitalIn joyDOWN(p12); //Play song of the Companion (Slave) |
ArthurSemjonov | 2:b7eee254a06e | 13 | DigitalIn joyMID(p14); //Stop playing either master or Slave song. |
ArthurSemjonov | 2:b7eee254a06e | 14 | PwmOut speaker(p26); //Speaker on the mbed |
ArthurSemjonov | 2:b7eee254a06e | 15 | |
ArthurSemjonov | 2:b7eee254a06e | 16 | /*============SERIAL COMMUNICATION==============*/ |
ArthurSemjonov | 2:b7eee254a06e | 17 | I2CSlave companion(p9, p10); //mosi/miso/sck of the Slave |
ArthurSemjonov | 2:b7eee254a06e | 18 | /********************************************************/ |
ArthurSemjonov | 2:b7eee254a06e | 19 | Serial pc(USBTX, USBRX); |
ArthurSemjonov | 2:b7eee254a06e | 20 | int send_note; //word we will send |
ArthurSemjonov | 2:b7eee254a06e | 21 | int rec_note; //value received from master |
ArthurSemjonov | 2:b7eee254a06e | 22 | const int addr = 0x42; |
ArthurSemjonov | 2:b7eee254a06e | 23 | |
ArthurSemjonov | 2:b7eee254a06e | 24 | /************************************|Lost Woods|**********************************/ |
ArthurSemjonov | 2:b7eee254a06e | 25 | float frequency[]= {F4,A4,B4,F4,A4,B4,F4,A4,B4,E5,D5,B4,C5,B4,G4,E4,D4,E4,G4,E4}; |
ArthurSemjonov | 2:b7eee254a06e | 26 | float beat[]= {1,1,2,1,1,2,1,1,1,1,2,1,1,1,1,3,1,1,1,3}; |
ArthurSemjonov | 2:b7eee254a06e | 27 | /***************************************************************************************/ |
ArthurSemjonov | 2:b7eee254a06e | 28 | |
ArthurSemjonov | 2:b7eee254a06e | 29 | |
ArthurSemjonov | 2:b7eee254a06e | 30 | int main() |
ArthurSemjonov | 2:b7eee254a06e | 31 | { |
ArthurSemjonov | 2:b7eee254a06e | 32 | //l4=1; |
ArthurSemjonov | 2:b7eee254a06e | 33 | int k; |
ArthurSemjonov | 2:b7eee254a06e | 34 | companion.address(addr); |
ArthurSemjonov | 2:b7eee254a06e | 35 | while(1) { |
ArthurSemjonov | 2:b7eee254a06e | 36 | k = companion.receive(); |
ArthurSemjonov | 2:b7eee254a06e | 37 | if(k==3) { |
ArthurSemjonov | 2:b7eee254a06e | 38 | //k = companion.receive(); |
ArthurSemjonov | 2:b7eee254a06e | 39 | playTheDoctor(); |
ArthurSemjonov | 2:b7eee254a06e | 40 | //companion.stop(); |
ArthurSemjonov | 2:b7eee254a06e | 41 | } else if(k==1) { |
ArthurSemjonov | 2:b7eee254a06e | 42 | //k = companion.receive(); |
ArthurSemjonov | 2:b7eee254a06e | 43 | pc.printf("\n\rI am playing companion"); |
ArthurSemjonov | 2:b7eee254a06e | 44 | |
ArthurSemjonov | 2:b7eee254a06e | 45 | playTheCompanion(); |
ArthurSemjonov | 2:b7eee254a06e | 46 | pc.printf("\n\rStopped playing companion"); |
ArthurSemjonov | 2:b7eee254a06e | 47 | companion.stop(); |
ArthurSemjonov | 2:b7eee254a06e | 48 | } |
ArthurSemjonov | 2:b7eee254a06e | 49 | } |
ArthurSemjonov | 2:b7eee254a06e | 50 | } |
ArthurSemjonov | 2:b7eee254a06e | 51 | //======================================================================================================================================== |
ArthurSemjonov | 2:b7eee254a06e | 52 | //======================================================================================================================================== |
ArthurSemjonov | 2:b7eee254a06e | 53 | //======================================================================================================================================== |
ArthurSemjonov | 2:b7eee254a06e | 54 | |
ArthurSemjonov | 2:b7eee254a06e | 55 | /********************************************************************* |
ArthurSemjonov | 2:b7eee254a06e | 56 | ******************************THE COMPANION*************************** |
ArthurSemjonov | 2:b7eee254a06e | 57 | ********************************aka slave***************************** |
ArthurSemjonov | 2:b7eee254a06e | 58 | **********************************************************************/ |
ArthurSemjonov | 2:b7eee254a06e | 59 | /*TODO: 1) Figure out what stop() returns, if any |
ArthurSemjonov | 2:b7eee254a06e | 60 | 2) Add print statements to see what is getting sent/received |
ArthurSemjonov | 2:b7eee254a06e | 61 | Bonus) Implement potentiameters for tempo and pitch */ |
ArthurSemjonov | 2:b7eee254a06e | 62 | |
ArthurSemjonov | 2:b7eee254a06e | 63 | void playTheCompanion() |
ArthurSemjonov | 2:b7eee254a06e | 64 | { |
ArthurSemjonov | 2:b7eee254a06e | 65 | pc.printf("\n\rEntering Companion song"); |
ArthurSemjonov | 2:b7eee254a06e | 66 | //int l = companion.receive(); |
ArthurSemjonov | 2:b7eee254a06e | 67 | for (int i=0; i<=sizeof(frequency)/sizeof(int)-1; i++) { |
ArthurSemjonov | 2:b7eee254a06e | 68 | send_note = frequency[i]; |
ArthurSemjonov | 2:b7eee254a06e | 69 | int check = companion.receive(); |
ArthurSemjonov | 2:b7eee254a06e | 70 | pc.printf("\n\rCheck line = '%d'", check); |
ArthurSemjonov | 2:b7eee254a06e | 71 | if (check == 0xFF) { |
ArthurSemjonov | 2:b7eee254a06e | 72 | speaker = 0; |
ArthurSemjonov | 2:b7eee254a06e | 73 | pc.printf("\n\rKicked out of the TARDIS"); |
ArthurSemjonov | 2:b7eee254a06e | 74 | return; |
ArthurSemjonov | 2:b7eee254a06e | 75 | } |
ArthurSemjonov | 2:b7eee254a06e | 76 | int t = companion.write(send_note); |
ArthurSemjonov | 2:b7eee254a06e | 77 | pc.printf("\n\rSending = '%d'", send_note ); |
ArthurSemjonov | 2:b7eee254a06e | 78 | //int t = companion.write(send_note); |
ArthurSemjonov | 2:b7eee254a06e | 79 | |
ArthurSemjonov | 2:b7eee254a06e | 80 | float value = lookupNoteFrq(frequency, i); |
ArthurSemjonov | 2:b7eee254a06e | 81 | speaker.period(1/(2*value)); // set PWM period |
ArthurSemjonov | 2:b7eee254a06e | 82 | speaker=0.5; |
ArthurSemjonov | 2:b7eee254a06e | 83 | wait(0.4*beat[i]); |
ArthurSemjonov | 2:b7eee254a06e | 84 | |
ArthurSemjonov | 2:b7eee254a06e | 85 | // if (joyMID) { |
ArthurSemjonov | 2:b7eee254a06e | 86 | // speaker = 0; //reset speaker duty cycle |
ArthurSemjonov | 2:b7eee254a06e | 87 | // |
ArthurSemjonov | 2:b7eee254a06e | 88 | // wait(2); //delay for inferior humans |
ArthurSemjonov | 2:b7eee254a06e | 89 | // return; |
ArthurSemjonov | 2:b7eee254a06e | 90 | // } else if(joyUP) { |
ArthurSemjonov | 2:b7eee254a06e | 91 | // speaker = 0; |
ArthurSemjonov | 2:b7eee254a06e | 92 | // |
ArthurSemjonov | 2:b7eee254a06e | 93 | // pc.printf("\n\rInterrupted Companion song by the Master song"); |
ArthurSemjonov | 2:b7eee254a06e | 94 | // return; |
ArthurSemjonov | 2:b7eee254a06e | 95 | // } |
ArthurSemjonov | 2:b7eee254a06e | 96 | } |
ArthurSemjonov | 2:b7eee254a06e | 97 | companion.write(0xFF); |
ArthurSemjonov | 2:b7eee254a06e | 98 | speaker = 0; |
ArthurSemjonov | 2:b7eee254a06e | 99 | |
ArthurSemjonov | 2:b7eee254a06e | 100 | pc.printf("\n\rExiting Companion song"); |
ArthurSemjonov | 2:b7eee254a06e | 101 | return; |
ArthurSemjonov | 2:b7eee254a06e | 102 | } |
ArthurSemjonov | 2:b7eee254a06e | 103 | |
ArthurSemjonov | 2:b7eee254a06e | 104 | /********************************************************************* |
ArthurSemjonov | 2:b7eee254a06e | 105 | ******************************THE DOCTOR****************************** |
ArthurSemjonov | 2:b7eee254a06e | 106 | ********************************aka master**************************** |
ArthurSemjonov | 2:b7eee254a06e | 107 | **********************************************************************/ |
ArthurSemjonov | 2:b7eee254a06e | 108 | /*TODO: 1) Make sure while loop condition is doing what it suppose to |
ArthurSemjonov | 2:b7eee254a06e | 109 | 2) Initialize receive note, and play it |
ArthurSemjonov | 2:b7eee254a06e | 110 | 3) Implement interrupts |
ArthurSemjonov | 2:b7eee254a06e | 111 | 4) Stopping conditions |
ArthurSemjonov | 2:b7eee254a06e | 112 | Bonus) Potentiometers for pitch and tempo |
ArthurSemjonov | 2:b7eee254a06e | 113 | */ |
ArthurSemjonov | 2:b7eee254a06e | 114 | void playTheDoctor() |
ArthurSemjonov | 2:b7eee254a06e | 115 | { |
ArthurSemjonov | 2:b7eee254a06e | 116 | int prev=0; |
ArthurSemjonov | 2:b7eee254a06e | 117 | int cur; |
ArthurSemjonov | 2:b7eee254a06e | 118 | pc.printf("\n\rEntering Doctors song\n\r====================================="); |
ArthurSemjonov | 2:b7eee254a06e | 119 | //speaker = 0.5; |
ArthurSemjonov | 2:b7eee254a06e | 120 | while (1) { |
ArthurSemjonov | 2:b7eee254a06e | 121 | |
ArthurSemjonov | 2:b7eee254a06e | 122 | rec_note = companion.read(); |
ArthurSemjonov | 2:b7eee254a06e | 123 | cur = rec_note; |
ArthurSemjonov | 2:b7eee254a06e | 124 | if(rec_note == 0xFF) { |
ArthurSemjonov | 2:b7eee254a06e | 125 | pc.printf("\n\rLeaveing the TARDIS :(, Doctor leaves for another couple of years >.>"); |
ArthurSemjonov | 2:b7eee254a06e | 126 | companion.stop(); |
ArthurSemjonov | 2:b7eee254a06e | 127 | speaker = 0; |
ArthurSemjonov | 2:b7eee254a06e | 128 | //rec_note=0xFF; |
ArthurSemjonov | 2:b7eee254a06e | 129 | wait(0.1); |
ArthurSemjonov | 2:b7eee254a06e | 130 | return; |
ArthurSemjonov | 2:b7eee254a06e | 131 | } |
ArthurSemjonov | 2:b7eee254a06e | 132 | //pc.printf("\n\rReceived '%d'", rec_note); |
ArthurSemjonov | 2:b7eee254a06e | 133 | if (cur != prev)playTheNote(rec_note); |
ArthurSemjonov | 2:b7eee254a06e | 134 | prev = cur; |
ArthurSemjonov | 2:b7eee254a06e | 135 | // |
ArthurSemjonov | 2:b7eee254a06e | 136 | // |
ArthurSemjonov | 2:b7eee254a06e | 137 | // if (joyMID) { |
ArthurSemjonov | 2:b7eee254a06e | 138 | // speaker = 0; //reset speaker duty cycle |
ArthurSemjonov | 2:b7eee254a06e | 139 | // //force end condition for both master and companion |
ArthurSemjonov | 2:b7eee254a06e | 140 | // pc.printf("\n\rInterrupted doctor song by demo"); |
ArthurSemjonov | 2:b7eee254a06e | 141 | // wait(2); //delay for inferior humans |
ArthurSemjonov | 2:b7eee254a06e | 142 | // return; |
ArthurSemjonov | 2:b7eee254a06e | 143 | // } else if(joyDOWN) { |
ArthurSemjonov | 2:b7eee254a06e | 144 | // speaker = 0; //read joyUp value. |
ArthurSemjonov | 2:b7eee254a06e | 145 | // //force end condition due to interuppt |
ArthurSemjonov | 2:b7eee254a06e | 146 | // pc.printf("\n\rInterrupted doctor song by Companion"); |
ArthurSemjonov | 2:b7eee254a06e | 147 | // return; |
ArthurSemjonov | 2:b7eee254a06e | 148 | // } |
ArthurSemjonov | 2:b7eee254a06e | 149 | } |
ArthurSemjonov | 2:b7eee254a06e | 150 | } |
ArthurSemjonov | 2:b7eee254a06e | 151 | /*===================================================================*/ |
ArthurSemjonov | 2:b7eee254a06e | 152 | //===================Goon Squad of helper functions==================// |
ArthurSemjonov | 2:b7eee254a06e | 153 | void playTheNote(int k) |
ArthurSemjonov | 2:b7eee254a06e | 154 | { |
ArthurSemjonov | 2:b7eee254a06e | 155 | float frqNote = notes[k]; |
ArthurSemjonov | 2:b7eee254a06e | 156 | pc.printf("\n\rNote I got = '%d", k); |
ArthurSemjonov | 2:b7eee254a06e | 157 | speaker.period(1/(2*frqNote)); // set PWM period |
ArthurSemjonov | 2:b7eee254a06e | 158 | speaker=0.5; |
ArthurSemjonov | 2:b7eee254a06e | 159 | return; |
ArthurSemjonov | 2:b7eee254a06e | 160 | } |
ArthurSemjonov | 2:b7eee254a06e | 161 | |
ArthurSemjonov | 2:b7eee254a06e | 162 | /*====================Original Demo====================================*/ |
ArthurSemjonov | 2:b7eee254a06e | 163 | void songOfMyPeople(float frequency[], float beat[]) |
ArthurSemjonov | 2:b7eee254a06e | 164 | { |
ArthurSemjonov | 2:b7eee254a06e | 165 | pc.printf("\n\rSong of my people"); |
ArthurSemjonov | 2:b7eee254a06e | 166 | while(1) { //run infinetly unless interupted |
ArthurSemjonov | 2:b7eee254a06e | 167 | for (int i=0; i<=19; i++) { |
ArthurSemjonov | 2:b7eee254a06e | 168 | float value = lookupNoteFrq(frequency, i); |
ArthurSemjonov | 2:b7eee254a06e | 169 | speaker.period(1/(2*value)); // set PWM period |
ArthurSemjonov | 2:b7eee254a06e | 170 | speaker=0.5; // set duty cycle |
ArthurSemjonov | 2:b7eee254a06e | 171 | wait(0.4*beat[i]); |
ArthurSemjonov | 2:b7eee254a06e | 172 | if (joyMID) { |
ArthurSemjonov | 2:b7eee254a06e | 173 | speaker = 0; //reset speaker duty cycle |
ArthurSemjonov | 2:b7eee254a06e | 174 | wait(2); //delay for inferior humans |
ArthurSemjonov | 2:b7eee254a06e | 175 | return; |
ArthurSemjonov | 2:b7eee254a06e | 176 | } |
ArthurSemjonov | 2:b7eee254a06e | 177 | } |
ArthurSemjonov | 2:b7eee254a06e | 178 | speaker = 0; |
ArthurSemjonov | 2:b7eee254a06e | 179 | wait(0.25); |
ArthurSemjonov | 2:b7eee254a06e | 180 | } |
ArthurSemjonov | 2:b7eee254a06e | 181 | } |
ArthurSemjonov | 2:b7eee254a06e | 182 | |
ArthurSemjonov | 2:b7eee254a06e | 183 | /*===================================================================*/ |
ArthurSemjonov | 2:b7eee254a06e | 184 | float lookupNoteFrq(float frq[], int k) |
ArthurSemjonov | 2:b7eee254a06e | 185 | { |
ArthurSemjonov | 2:b7eee254a06e | 186 | int location_of_note = frequency[k]; |
ArthurSemjonov | 2:b7eee254a06e | 187 | pc.printf("\n\rLocation of the note = '%d'", location_of_note); |
ArthurSemjonov | 2:b7eee254a06e | 188 | |
ArthurSemjonov | 2:b7eee254a06e | 189 | float vNote = notes[location_of_note]; |
ArthurSemjonov | 2:b7eee254a06e | 190 | pc.printf("\n\rFrq of the note = '%f'", vNote); |
ArthurSemjonov | 2:b7eee254a06e | 191 | return vNote; |
ArthurSemjonov | 2:b7eee254a06e | 192 | } |