ese519 / Mbed 2 deprecated ESE350-Whack-a-Mole1_v2

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Dependencies:   mbed

Fork of ESE350-Whack-a-Mole1 by ese519

WhackAMole_MASTER.cpp@2:20e1d264bc3f, 2015-10-22 (annotated)

Committer:
srijani987
Date:
Thu Oct 22 23:09:41 2015 +0000
Revision:
2:20e1d264bc3f
Parent:
WhackAMole.cpp@1:7fae8b781c61 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
mlab4 0:ddc820578cb0 1 #include "mbed.h"
mlab4 0:ddc820578cb0 2 #include "MRF24J40.h"
mlab4 0:ddc820578cb0 3
mlab4 0:ddc820578cb0 4 #include <string>
mlab4 0:ddc820578cb0 5
mlab4 0:ddc820578cb0 6 // RF tranceiver to link with handheld.
mlab4 0:ddc820578cb0 7 MRF24J40 mrf(p11, p12, p13, p14, p21);
mlab4 0:ddc820578cb0 8
mlab4 0:ddc820578cb0 9 // LEDs you can treat these as variables (led2 = 1 will turn led2 on!)
mlab4 0:ddc820578cb0 10 DigitalOut led1(LED1);
mlab4 0:ddc820578cb0 11 DigitalOut led2(LED2);
mlab4 0:ddc820578cb0 12 DigitalOut led3(LED3);
mlab4 0:ddc820578cb0 13 DigitalOut led4(LED4);
mlab4 0:ddc820578cb0 14
mlab4 0:ddc820578cb0 15 // Timer
mlab4 0:ddc820578cb0 16 Timer timer;
srijani987 2:20e1d264bc3f 17 //Timer timeout_timer;
srijani987 2:20e1d264bc3f 18 int timeout_ms = 5000; // ms
srijani987 2:20e1d264bc3f 19 int mole = 0;
mlab4 0:ddc820578cb0 20
mlab4 0:ddc820578cb0 21 // Serial port for showing RX data.
mlab4 0:ddc820578cb0 22 Serial pc(USBTX, USBRX);
mlab4 0:ddc820578cb0 23
mlab4 0:ddc820578cb0 24 // Used for sending and receiving
mlab4 0:ddc820578cb0 25 char txBuffer[128];
mlab4 0:ddc820578cb0 26 char rxBuffer[128];
mlab4 0:ddc820578cb0 27 int rxLen;
mlab4 0:ddc820578cb0 28
jfields 1:7fae8b781c61 29 // funcs
jfields 1:7fae8b781c61 30 int get_mole();
jfields 1:7fae8b781c61 31 void led_update(int i);
jfields 1:7fae8b781c61 32
jfields 1:7fae8b781c61 33 // global vars
jfields 1:7fae8b781c61 34 int total_time = 0;
jfields 1:7fae8b781c61 35 int send_new_mole = 1;
jfields 1:7fae8b781c61 36 int round = 0;
jfields 1:7fae8b781c61 37
mlab4 0:ddc820578cb0 38 //***************** Do not change these methods (please) *****************//
mlab4 0:ddc820578cb0 39
mlab4 0:ddc820578cb0 40 /**
mlab4 0:ddc820578cb0 41 * Receive data from the MRF24J40.
mlab4 0:ddc820578cb0 42 *
mlab4 0:ddc820578cb0 43 * @param data A pointer to a char array to hold the data
mlab4 0:ddc820578cb0 44 * @param maxLength The max amount of data to read.
mlab4 0:ddc820578cb0 45 */
mlab4 0:ddc820578cb0 46 int rf_receive(char *data, uint8_t maxLength)
mlab4 0:ddc820578cb0 47 {
mlab4 0:ddc820578cb0 48 uint8_t len = mrf.Receive((uint8_t *)data, maxLength);
mlab4 0:ddc820578cb0 49 uint8_t header[8]= {1, 8, 0, 0xA1, 0xB2, 0xC3, 0xD4, 0x00};
mlab4 0:ddc820578cb0 50
mlab4 0:ddc820578cb0 51 if(len > 10) {
mlab4 0:ddc820578cb0 52 //Remove the header and footer of the message
mlab4 0:ddc820578cb0 53 for(uint8_t i = 0; i < len-2; i++) {
mlab4 0:ddc820578cb0 54 if(i<8) {
mlab4 0:ddc820578cb0 55 //Make sure our header is valid first
mlab4 0:ddc820578cb0 56 if(data[i] != header[i])
mlab4 0:ddc820578cb0 57 return 0;
mlab4 0:ddc820578cb0 58 } else {
mlab4 0:ddc820578cb0 59 data[i-8] = data[i];
mlab4 0:ddc820578cb0 60 }
mlab4 0:ddc820578cb0 61 }
mlab4 0:ddc820578cb0 62
mlab4 0:ddc820578cb0 63 //pc.printf("Received: %s length:%d\r\n", data, ((int)len)-10);
mlab4 0:ddc820578cb0 64 }
mlab4 0:ddc820578cb0 65 return ((int)len)-10;
mlab4 0:ddc820578cb0 66 }
mlab4 0:ddc820578cb0 67
mlab4 0:ddc820578cb0 68 /**
mlab4 0:ddc820578cb0 69 * Send data to another MRF24J40.
mlab4 0:ddc820578cb0 70 *
mlab4 0:ddc820578cb0 71 * @param data The string to send
mlab4 0:ddc820578cb0 72 * @param maxLength The length of the data to send.
mlab4 0:ddc820578cb0 73 * If you are sending a null-terminated string you can pass strlen(data)+1
mlab4 0:ddc820578cb0 74 */
mlab4 0:ddc820578cb0 75 void rf_send(char *data, uint8_t len)
mlab4 0:ddc820578cb0 76 {
mlab4 0:ddc820578cb0 77 //We need to prepend the message with a valid ZigBee header
mlab4 0:ddc820578cb0 78 uint8_t header[8]= {1, 8, 0, 0xA1, 0xB2, 0xC3, 0xD4, 0x00};
mlab4 0:ddc820578cb0 79 uint8_t *send_buf = (uint8_t *) malloc( sizeof(uint8_t) * (len+8) );
mlab4 0:ddc820578cb0 80
mlab4 0:ddc820578cb0 81 for(uint8_t i = 0; i < len+8; i++) {
mlab4 0:ddc820578cb0 82 //prepend the 8-byte header
mlab4 0:ddc820578cb0 83 send_buf[i] = (i<8) ? header[i] : data[i-8];
mlab4 0:ddc820578cb0 84 }
mlab4 0:ddc820578cb0 85 //pc.printf("Sent: %s\r\n", send_buf+8);
mlab4 0:ddc820578cb0 86
mlab4 0:ddc820578cb0 87 mrf.Send(send_buf, len+8);
mlab4 0:ddc820578cb0 88 free(send_buf);
mlab4 0:ddc820578cb0 89 }
mlab4 0:ddc820578cb0 90
mlab4 0:ddc820578cb0 91
mlab4 0:ddc820578cb0 92 //***************** You can start coding here *****************//
mlab4 0:ddc820578cb0 93 int main (void)
mlab4 0:ddc820578cb0 94 {
srijani987 2:20e1d264bc3f 95
srijani987 2:20e1d264bc3f 96 pc.printf("Press any key to Start!\n");
srijani987 2:20e1d264bc3f 97 pc.getc();
srijani987 2:20e1d264bc3f 98 pc.printf("Good luck...\n");
srijani987 2:20e1d264bc3f 99
srijani987 2:20e1d264bc3f 100
srijani987 2:20e1d264bc3f 101 uint8_t channel = 15;
mlab4 0:ddc820578cb0 102
mlab4 0:ddc820578cb0 103 //Set the Channel. 0 is default, 15 is max
mlab4 0:ddc820578cb0 104 mrf.SetChannel(channel);
mlab4 0:ddc820578cb0 105
mlab4 0:ddc820578cb0 106 //Start the timer
mlab4 0:ddc820578cb0 107 timer.start();
jfields 1:7fae8b781c61 108
jfields 1:7fae8b781c61 109 // seed rand num generator
jfields 1:7fae8b781c61 110 srand(time(NULL));
mlab4 0:ddc820578cb0 111
mlab4 0:ddc820578cb0 112 while(true) {
mlab4 0:ddc820578cb0 113 //Try to receive some data
mlab4 0:ddc820578cb0 114 rxLen = rf_receive(rxBuffer, 128);
mlab4 0:ddc820578cb0 115 if(rxLen > 0) {
mlab4 0:ddc820578cb0 116 //Toggle the Led
mlab4 0:ddc820578cb0 117 led1 = led1^1;
mlab4 0:ddc820578cb0 118 pc.printf("Received: %s\r\n", rxBuffer);
jfields 1:7fae8b781c61 119
jfields 1:7fae8b781c61 120 //if (strcmp(rxBuffer, "HIT")) {
jfields 1:7fae8b781c61 121 total_time += timer.read_ms();
jfields 1:7fae8b781c61 122 send_new_mole = 1;
jfields 1:7fae8b781c61 123 round++;
jfields 1:7fae8b781c61 124 wait(0.5);
srijani987 2:20e1d264bc3f 125 printf("Your current score = %d ms\r\n",total_time);
jfields 1:7fae8b781c61 126 //}
jfields 1:7fae8b781c61 127
jfields 1:7fae8b781c61 128 }
jfields 1:7fae8b781c61 129
srijani987 2:20e1d264bc3f 130 if (round == 5) {
srijani987 2:20e1d264bc3f 131 pc.printf("You hit 10 moles in %d seconds!\n",total_time);
srijani987 2:20e1d264bc3f 132 pc.printf("Play again? (Y/N)\r\n");
srijani987 2:20e1d264bc3f 133 char answer = pc.getc();
srijani987 2:20e1d264bc3f 134 if (answer == 'N') {
srijani987 2:20e1d264bc3f 135 exit (1);
srijani987 2:20e1d264bc3f 136 }
srijani987 2:20e1d264bc3f 137 else {
srijani987 2:20e1d264bc3f 138 pc.printf("Good luck...\r\n");
srijani987 2:20e1d264bc3f 139 round = 0;
srijani987 2:20e1d264bc3f 140 total_time = 0;
srijani987 2:20e1d264bc3f 141 }
srijani987 2:20e1d264bc3f 142 //exit(1);
srijani987 2:20e1d264bc3f 143 }
srijani987 2:20e1d264bc3f 144
srijani987 2:20e1d264bc3f 145 if (timer.read_ms() > timeout_ms) {
srijani987 2:20e1d264bc3f 146 total_time += timer.read_ms();
srijani987 2:20e1d264bc3f 147 timer.reset();
srijani987 2:20e1d264bc3f 148 string msg2 = "T";
srijani987 2:20e1d264bc3f 149 //Add to the buffer. You may want to check out sprintf
srijani987 2:20e1d264bc3f 150 strcpy(txBuffer, msg2.c_str());
srijani987 2:20e1d264bc3f 151 //Send the buffer
srijani987 2:20e1d264bc3f 152 rf_send(txBuffer, strlen(txBuffer) + 1);
srijani987 2:20e1d264bc3f 153 pc.printf("Sent: %s\r\n", txBuffer);
srijani987 2:20e1d264bc3f 154 if (mole == 1) {
srijani987 2:20e1d264bc3f 155 msg2 = "2";
srijani987 2:20e1d264bc3f 156 mole = 2;
srijani987 2:20e1d264bc3f 157 }
srijani987 2:20e1d264bc3f 158 else if (mole == 2) {
srijani987 2:20e1d264bc3f 159 msg2 = "3";
srijani987 2:20e1d264bc3f 160 mole = 3;
srijani987 2:20e1d264bc3f 161 }
srijani987 2:20e1d264bc3f 162 else if (mole == 3) {
srijani987 2:20e1d264bc3f 163 msg2 = "1";
srijani987 2:20e1d264bc3f 164 mole = 1;
srijani987 2:20e1d264bc3f 165 }
srijani987 2:20e1d264bc3f 166 //Add to the buffer. You may want to check out sprintf
srijani987 2:20e1d264bc3f 167 strcpy(txBuffer, msg2.c_str());
srijani987 2:20e1d264bc3f 168 //Send the buffer
srijani987 2:20e1d264bc3f 169 rf_send(txBuffer, strlen(txBuffer) + 1);
srijani987 2:20e1d264bc3f 170 pc.printf("Sent: %s\r\n", txBuffer);
mlab4 0:ddc820578cb0 171 }
mlab4 0:ddc820578cb0 172
mlab4 0:ddc820578cb0 173 //Send some data every second
jfields 1:7fae8b781c61 174 if(send_new_mole) {
jfields 1:7fae8b781c61 175
jfields 1:7fae8b781c61 176 send_new_mole = 0;
jfields 1:7fae8b781c61 177
mlab4 0:ddc820578cb0 178 //Reset the timer to 0
mlab4 0:ddc820578cb0 179 timer.reset();
jfields 1:7fae8b781c61 180
jfields 1:7fae8b781c61 181 // get mole
jfields 1:7fae8b781c61 182 string msg_out;
srijani987 2:20e1d264bc3f 183 mole = get_mole();
srijani987 2:20e1d264bc3f 184 mole = 1;
srijani987 2:20e1d264bc3f 185 if (mole == 1) msg_out = "1";
srijani987 2:20e1d264bc3f 186 if (mole == 2) msg_out = "2";
srijani987 2:20e1d264bc3f 187 if (mole == 3) msg_out = "3";
jfields 1:7fae8b781c61 188 led_update(mole);
jfields 1:7fae8b781c61 189
mlab4 0:ddc820578cb0 190 //Add to the buffer. You may want to check out sprintf
jfields 1:7fae8b781c61 191 strcpy(txBuffer, msg_out.c_str());
mlab4 0:ddc820578cb0 192 //Send the buffer
mlab4 0:ddc820578cb0 193 rf_send(txBuffer, strlen(txBuffer) + 1);
mlab4 0:ddc820578cb0 194 pc.printf("Sent: %s\r\n", txBuffer);
jfields 1:7fae8b781c61 195
mlab4 0:ddc820578cb0 196 }
mlab4 0:ddc820578cb0 197 }
mlab4 0:ddc820578cb0 198 }
jfields 1:7fae8b781c61 199
jfields 1:7fae8b781c61 200 int get_mole() {
jfields 1:7fae8b781c61 201 return rand()%3+1;
jfields 1:7fae8b781c61 202 }
jfields 1:7fae8b781c61 203
jfields 1:7fae8b781c61 204 void led_update(int i) {
jfields 1:7fae8b781c61 205 led2 = 0;
jfields 1:7fae8b781c61 206 led3 = 0;
jfields 1:7fae8b781c61 207 led4 = 0;
jfields 1:7fae8b781c61 208 if (i==1) led2 = 1;
jfields 1:7fae8b781c61 209 if (i==2) led3 = 1;
jfields 1:7fae8b781c61 210 if (i==3) led4 = 1;
jfields 1:7fae8b781c61 211 }