Mike Pollock / Mbed 2 deprecated GT_Tuner3

Adapted code from original GT_Tuner code (by Andrew Durand) for a school project by Tapton School.

Dependencies:   mbed

main.cpp@1:c8ec50d75f80, 2017-01-30 (annotated)

Committer:
mptapton
Date:
Mon Jan 30 13:16:23 2017 +0000
Revision:
1:c8ec50d75f80
Parent:
0:6b0b61d411ad
Child:
2:c242fd25e7e2
Solo school project mbed 1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mptapton 0:6b0b61d411ad 1 // Guitar Tuner and Chord Learning Tool using Goertzel's Algorithm //
mptapton 0:6b0b61d411ad 2 // Based on original code created by: Andrew Durand //
mptapton 0:6b0b61d411ad 3 // Adjusted and modified by Tapton School EDS Project Team //
mptapton 0:6b0b61d411ad 4
mptapton 0:6b0b61d411ad 5 #include "TextLCD.h"
mptapton 0:6b0b61d411ad 6 #include "mbed.h"
mptapton 0:6b0b61d411ad 7 #include "adc.h"
mptapton 0:6b0b61d411ad 8 #include <math.h>
mptapton 0:6b0b61d411ad 9 #define PI 3.1415
mptapton 0:6b0b61d411ad 10 #define SAMPLE_RATE 24000
mptapton 0:6b0b61d411ad 11
mptapton 0:6b0b61d411ad 12 DigitalOut led_low(LED1);
mptapton 0:6b0b61d411ad 13 DigitalOut led_ok(LED2);
mptapton 0:6b0b61d411ad 14 DigitalOut led_high(LED4);
mptapton 0:6b0b61d411ad 15 InterruptIn button1(p6); //mosi
mptapton 0:6b0b61d411ad 16 DigitalIn myInputPin (p21); //select tuner or chord learning mode
mptapton 1:c8ec50d75f80 17 Serial device(p28, p27); // tx, rx to connect to mbed 2
mptapton 0:6b0b61d411ad 18
mptapton 0:6b0b61d411ad 19 //LCD and Other Random Variables
mptapton 0:6b0b61d411ad 20 //NokiaLCD lcd(p5, p7, p8, p9, NokiaLCD::LCD6610); // mosi, sclk, cs, rst, type
mptapton 0:6b0b61d411ad 21
mptapton 0:6b0b61d411ad 22 /* This code uses libraries created for 4-bit LCD's based on the HD44780. This
mptapton 0:6b0b61d411ad 23 program was designed for a similar product (Winstar's WH1602B 2x16 LC) working
mptapton 0:6b0b61d411ad 24 into an Mbed LPC1768.
mptapton 0:6b0b61d411ad 25 LCD pins: Pin 1(VSS) to Mbed Gnd, Pin 2(VDD) to Mbed 5v USB output, Pin 3(Vo- contrast)
mptapton 0:6b0b61d411ad 26 to Mbed Gnd (via a 4k7 resistor), Pin 5(R/W) to Mbed Gnd, Pin 15(A)to Mbed 5v USB output, Pin 16(B) to
mptapton 0:6b0b61d411ad 27 MBed Gnd, Pins 4(RS),20(E) and the 4 data bits (DB4 [11] through to DB7 [14])
mptapton 0:6b0b61d411ad 28 go to the Mbed pins described below: */
mptapton 0:6b0b61d411ad 29
mptapton 0:6b0b61d411ad 30 TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d4-d7
mptapton 0:6b0b61d411ad 31
mptapton 0:6b0b61d411ad 32 int string_select = 0;
mptapton 0:6b0b61d411ad 33 int chord_select = 0;
mptapton 0:6b0b61d411ad 34 float high, high1, in_tune, in_tune1, in_tune2, in_tune3,
mptapton 0:6b0b61d411ad 35 low, low1, note, low_mod, high_mod;
mptapton 0:6b0b61d411ad 36 char* key;
mptapton 0:6b0b61d411ad 37 int Counter = 0;
mptapton 0:6b0b61d411ad 38 int Buffer[6000];
mptapton 0:6b0b61d411ad 39
mptapton 0:6b0b61d411ad 40 float goertzelFilter(int samples[], float freq, int N) {
mptapton 0:6b0b61d411ad 41 float s_prev = 0.0;
mptapton 0:6b0b61d411ad 42 float s_prev2 = 0.0;
mptapton 0:6b0b61d411ad 43 float coeff,normalizedfreq,power,s;
mptapton 0:6b0b61d411ad 44 int i;
mptapton 0:6b0b61d411ad 45 normalizedfreq = freq / SAMPLE_RATE;
mptapton 0:6b0b61d411ad 46 coeff = 2*cos(2*PI*normalizedfreq);
mptapton 0:6b0b61d411ad 47 for (i=0; i<N; i++) {
mptapton 0:6b0b61d411ad 48 s = samples[i] + coeff * s_prev - s_prev2;
mptapton 0:6b0b61d411ad 49 s_prev2 = s_prev;
mptapton 0:6b0b61d411ad 50 s_prev = s;
mptapton 0:6b0b61d411ad 51 }
mptapton 0:6b0b61d411ad 52 power = s_prev2*s_prev2+s_prev*s_prev-coeff*s_prev*s_prev2;
mptapton 0:6b0b61d411ad 53 return power;
mptapton 0:6b0b61d411ad 54 }
mptapton 0:6b0b61d411ad 55
mptapton 0:6b0b61d411ad 56 ADC adc(SAMPLE_RATE, 1);
mptapton 0:6b0b61d411ad 57
mptapton 0:6b0b61d411ad 58 void sample_audio(int chan, uint32_t value) {
mptapton 0:6b0b61d411ad 59 Buffer[Counter] = adc.read(p20);
mptapton 0:6b0b61d411ad 60 Counter += 1;
mptapton 0:6b0b61d411ad 61 }
mptapton 0:6b0b61d411ad 62
mptapton 0:6b0b61d411ad 63 void button1_pressed() {
mptapton 0:6b0b61d411ad 64 string_select++;
mptapton 0:6b0b61d411ad 65 chord_select++;
mptapton 0:6b0b61d411ad 66 if (string_select > 5) string_select = 0;
mptapton 0:6b0b61d411ad 67 if (chord_select > 9) chord_select = 0;//change for number of chords supported
mptapton 0:6b0b61d411ad 68 }
mptapton 0:6b0b61d411ad 69
mptapton 0:6b0b61d411ad 70 int main() {
mptapton 1:c8ec50d75f80 71 device.baud(19200);
mptapton 0:6b0b61d411ad 72 while (1) {
mptapton 0:6b0b61d411ad 73 myInputPin.mode(PullUp); //set the mbed to use a pullup resistor
mptapton 0:6b0b61d411ad 74 if (myInputPin) { //select guitar tuner or chord teaching
mptapton 0:6b0b61d411ad 75 lcd.cls (); // Guitar Tuner Section based on p21 being +3v
mptapton 0:6b0b61d411ad 76
mptapton 0:6b0b61d411ad 77 //Interupt for Switching Strings
mptapton 0:6b0b61d411ad 78 button1.mode(PullDown);
mptapton 0:6b0b61d411ad 79 button1.rise(&button1_pressed);
mptapton 0:6b0b61d411ad 80
mptapton 0:6b0b61d411ad 81 while (1) {
mptapton 0:6b0b61d411ad 82
mptapton 0:6b0b61d411ad 83 switch (string_select) {
mptapton 0:6b0b61d411ad 84 case 0:
mptapton 0:6b0b61d411ad 85 note = 82;
mptapton 0:6b0b61d411ad 86 key= "E2";
mptapton 0:6b0b61d411ad 87 break;
mptapton 0:6b0b61d411ad 88 case 1:
mptapton 0:6b0b61d411ad 89 note = 110;
mptapton 0:6b0b61d411ad 90 key= "A2";
mptapton 0:6b0b61d411ad 91 break;
mptapton 0:6b0b61d411ad 92 case 2:
mptapton 0:6b0b61d411ad 93 note = 147;
mptapton 0:6b0b61d411ad 94 key= "D3";
mptapton 0:6b0b61d411ad 95 break;
mptapton 0:6b0b61d411ad 96 case 3:
mptapton 0:6b0b61d411ad 97 note = 196;
mptapton 0:6b0b61d411ad 98 key= "G3";
mptapton 0:6b0b61d411ad 99 break;
mptapton 0:6b0b61d411ad 100 case 4:
mptapton 0:6b0b61d411ad 101 note = 247;
mptapton 0:6b0b61d411ad 102 key= "B3";
mptapton 0:6b0b61d411ad 103 break;
mptapton 0:6b0b61d411ad 104 case 5:
mptapton 0:6b0b61d411ad 105 note = 330;
mptapton 0:6b0b61d411ad 106 key= "E4";
mptapton 0:6b0b61d411ad 107 break;
mptapton 0:6b0b61d411ad 108 }
mptapton 0:6b0b61d411ad 109
mptapton 0:6b0b61d411ad 110 //Prepare for burst mode on all ADC pins and set up interrupt handler (using ADC library from Simon Blandford
mptapton 0:6b0b61d411ad 111 adc.append(sample_audio);
mptapton 0:6b0b61d411ad 112 adc.startmode(0,0);
mptapton 0:6b0b61d411ad 113 adc.burst(1);
mptapton 0:6b0b61d411ad 114 adc.setup(p20,1);
mptapton 0:6b0b61d411ad 115
mptapton 0:6b0b61d411ad 116 //start the interrupt and wait for about 4096 samples
mptapton 0:6b0b61d411ad 117 adc.interrupt_state(p20,1);
mptapton 0:6b0b61d411ad 118 wait(.2);
mptapton 0:6b0b61d411ad 119
mptapton 0:6b0b61d411ad 120 //Finsh up - Unset pin 20
mptapton 0:6b0b61d411ad 121 adc.interrupt_state(p20,0);
mptapton 0:6b0b61d411ad 122 adc.setup(p20,0);
mptapton 0:6b0b61d411ad 123 int actual_rate = adc.actual_sample_rate();
mptapton 0:6b0b61d411ad 124
mptapton 0:6b0b61d411ad 125 //for debugging tell the terminal sample rate and how many samples we took
mptapton 0:6b0b61d411ad 126 printf("Requested max sample rate is %u, actual max sample rate is %u.\n",
mptapton 0:6b0b61d411ad 127 SAMPLE_RATE, actual_rate);
mptapton 0:6b0b61d411ad 128 printf("We did %i samples\n",Counter);
mptapton 0:6b0b61d411ad 129
mptapton 0:6b0b61d411ad 130 high = 0;
mptapton 0:6b0b61d411ad 131 low = 0;
mptapton 0:6b0b61d411ad 132 for (int i=3; i<46; i+=3) {
mptapton 0:6b0b61d411ad 133 high1 = goertzelFilter(Buffer, (note + i ), Counter);
mptapton 0:6b0b61d411ad 134 if (high1 > high) high=high1;
mptapton 0:6b0b61d411ad 135 }
mptapton 0:6b0b61d411ad 136 for (int i=3; i<46; i+=3) {
mptapton 0:6b0b61d411ad 137 low1 = goertzelFilter(Buffer, (note - i ), Counter);
mptapton 0:6b0b61d411ad 138 if (low1 > low) low=low1;
mptapton 0:6b0b61d411ad 139 }
mptapton 0:6b0b61d411ad 140 in_tune1 = goertzelFilter(Buffer, (note+1), Counter);
mptapton 0:6b0b61d411ad 141 in_tune2 = goertzelFilter(Buffer, note, Counter);
mptapton 0:6b0b61d411ad 142 in_tune3 = goertzelFilter(Buffer, (note-1), Counter);
mptapton 0:6b0b61d411ad 143
mptapton 0:6b0b61d411ad 144 if ((in_tune1 > in_tune2) && (in_tune1 > in_tune3)) in_tune = in_tune1;
mptapton 0:6b0b61d411ad 145 else if ((in_tune2 > in_tune1) && (in_tune2 > in_tune3)) in_tune = in_tune2;
mptapton 0:6b0b61d411ad 146 else in_tune = in_tune3;
mptapton 0:6b0b61d411ad 147
mptapton 0:6b0b61d411ad 148 if ((in_tune > high) && (in_tune > low)) {
mptapton 0:6b0b61d411ad 149 led_high = 0;
mptapton 0:6b0b61d411ad 150 led_ok = 1;
mptapton 0:6b0b61d411ad 151 led_low = 0;
mptapton 0:6b0b61d411ad 152 } else if (high > in_tune) {
mptapton 0:6b0b61d411ad 153 led_high = 1;
mptapton 0:6b0b61d411ad 154 led_ok = 0;
mptapton 0:6b0b61d411ad 155 led_low = 0;
mptapton 0:6b0b61d411ad 156 } else if (low > in_tune) {
mptapton 0:6b0b61d411ad 157 led_high = 0;
mptapton 0:6b0b61d411ad 158 led_ok = 0;
mptapton 0:6b0b61d411ad 159 led_low = 1;
mptapton 0:6b0b61d411ad 160 } else {
mptapton 0:6b0b61d411ad 161 led_high = 0;
mptapton 0:6b0b61d411ad 162 led_ok = 0;
mptapton 0:6b0b61d411ad 163 led_low = 0;
mptapton 0:6b0b61d411ad 164 }
mptapton 0:6b0b61d411ad 165
mptapton 0:6b0b61d411ad 166 int pintwenty = adc.read(p20); //read pin 20
mptapton 0:6b0b61d411ad 167 lcd.locate(0,1);
mptapton 0:6b0b61d411ad 168 lcd.printf("%s %iHz %d\n",key, (int) note, pintwenty);
mptapton 1:c8ec50d75f80 169 if (led_ok) {
mptapton 1:c8ec50d75f80 170 lcd.printf("Tuner- In Tune");
mptapton 1:c8ec50d75f80 171 device.printf("QT%sN2Z", key);// send to mbed 2
mptapton 1:c8ec50d75f80 172 }
mptapton 1:c8ec50d75f80 173 else if (led_low) {
mptapton 1:c8ec50d75f80 174 lcd.printf("Tuner- 2Low ");
mptapton 1:c8ec50d75f80 175 device.printf("QT%sN3Z", key);// send to mbed 2
mptapton 1:c8ec50d75f80 176 }
mptapton 1:c8ec50d75f80 177 else if (led_high){
mptapton 1:c8ec50d75f80 178 lcd.printf("Tuner- 2High ");
mptapton 1:c8ec50d75f80 179 device.printf("QT%sN1Z", key);// send to mbed 2
mptapton 1:c8ec50d75f80 180 }
mptapton 1:c8ec50d75f80 181 Counter = 0;
mptapton 0:6b0b61d411ad 182 } //inner while (1)loop
mptapton 0:6b0b61d411ad 183 } else { //if myinputpin
mptapton 0:6b0b61d411ad 184
mptapton 0:6b0b61d411ad 185 lcd.cls (); //Chord Tutor Section based on p21 being 0v
mptapton 0:6b0b61d411ad 186
mptapton 0:6b0b61d411ad 187 //Interupt for Switching chord selection
mptapton 0:6b0b61d411ad 188 button1.mode(PullDown);
mptapton 0:6b0b61d411ad 189 button1.rise(&button1_pressed);
mptapton 0:6b0b61d411ad 190
mptapton 0:6b0b61d411ad 191
mptapton 0:6b0b61d411ad 192
mptapton 0:6b0b61d411ad 193 while (1) {
mptapton 0:6b0b61d411ad 194
mptapton 0:6b0b61d411ad 195 switch (chord_select) {
mptapton 0:6b0b61d411ad 196 case 0:
mptapton 0:6b0b61d411ad 197 note = 82;
mptapton 0:6b0b61d411ad 198 key= "E2";
mptapton 0:6b0b61d411ad 199 //send E chord white LED pattern
mptapton 0:6b0b61d411ad 200 break;
mptapton 0:6b0b61d411ad 201 case 1:
mptapton 0:6b0b61d411ad 202 note = 110;
mptapton 0:6b0b61d411ad 203 key= "A2";
mptapton 0:6b0b61d411ad 204 //send A chord white LED pattern
mptapton 0:6b0b61d411ad 205 break;
mptapton 0:6b0b61d411ad 206 case 2:
mptapton 0:6b0b61d411ad 207 note = 147;
mptapton 0:6b0b61d411ad 208 key= "D3";
mptapton 0:6b0b61d411ad 209 //send D chord white LED pattern
mptapton 0:6b0b61d411ad 210 break;
mptapton 0:6b0b61d411ad 211 case 3:
mptapton 0:6b0b61d411ad 212 note = 196;
mptapton 0:6b0b61d411ad 213 key= "G3";
mptapton 0:6b0b61d411ad 214 //send G chord white LED pattern
mptapton 0:6b0b61d411ad 215 break;
mptapton 0:6b0b61d411ad 216 case 4:
mptapton 0:6b0b61d411ad 217 note = 247;
mptapton 0:6b0b61d411ad 218 key= "B3";
mptapton 0:6b0b61d411ad 219 //send B chord white LED pattern
mptapton 0:6b0b61d411ad 220 break;
mptapton 0:6b0b61d411ad 221 case 5:
mptapton 0:6b0b61d411ad 222 note = 2349;
mptapton 0:6b0b61d411ad 223 key= "D7";
mptapton 0:6b0b61d411ad 224 //send D7 chord white LED pattern
mptapton 0:6b0b61d411ad 225 break;
mptapton 0:6b0b61d411ad 226 case 6:
mptapton 0:6b0b61d411ad 227 note = 131;
mptapton 0:6b0b61d411ad 228 key= "C3";
mptapton 0:6b0b61d411ad 229 //send C chord white LED pattern
mptapton 0:6b0b61d411ad 230 break;
mptapton 0:6b0b61d411ad 231 case 7:
mptapton 0:6b0b61d411ad 232 note = 174;
mptapton 0:6b0b61d411ad 233 key= "F3";
mptapton 0:6b0b61d411ad 234 //send F chord white LED pattern
mptapton 0:6b0b61d411ad 235 break;
mptapton 0:6b0b61d411ad 236 case 8:
mptapton 0:6b0b61d411ad 237 note = 65;
mptapton 0:6b0b61d411ad 238 key= "C2";
mptapton 0:6b0b61d411ad 239 //send C chord white LED pattern
mptapton 0:6b0b61d411ad 240 break;
mptapton 0:6b0b61d411ad 241 case 9:
mptapton 0:6b0b61d411ad 242 note = 87;
mptapton 0:6b0b61d411ad 243 key= "F2";
mptapton 0:6b0b61d411ad 244 //send F chord white LED pattern
mptapton 0:6b0b61d411ad 245 break;
mptapton 0:6b0b61d411ad 246 }
mptapton 0:6b0b61d411ad 247
mptapton 0:6b0b61d411ad 248 //Prepare for burst mode on all ADC pins and set up interrupt handler (using ADC library from Simon Blandford
mptapton 0:6b0b61d411ad 249 adc.append(sample_audio);
mptapton 0:6b0b61d411ad 250 adc.startmode(0,0);
mptapton 0:6b0b61d411ad 251 adc.burst(1);
mptapton 0:6b0b61d411ad 252 adc.setup(p20,1);
mptapton 0:6b0b61d411ad 253
mptapton 0:6b0b61d411ad 254 //start the interrupt and wait for about 4096 samples
mptapton 0:6b0b61d411ad 255 adc.interrupt_state(p20,1);
mptapton 0:6b0b61d411ad 256 wait(.2);
mptapton 0:6b0b61d411ad 257
mptapton 0:6b0b61d411ad 258 //Finsh up - Unset pin 20
mptapton 0:6b0b61d411ad 259 adc.interrupt_state(p20,0);
mptapton 0:6b0b61d411ad 260 adc.setup(p20,0);
mptapton 0:6b0b61d411ad 261 int actual_rate = adc.actual_sample_rate();
mptapton 0:6b0b61d411ad 262
mptapton 0:6b0b61d411ad 263 //for debugging tell the terminal sample rate and how many samples we took
mptapton 0:6b0b61d411ad 264 printf("Requested max sample rate is %u, actual max sample rate is %u.\n",
mptapton 0:6b0b61d411ad 265 SAMPLE_RATE, actual_rate);
mptapton 0:6b0b61d411ad 266 printf("We did %i samples\n",Counter);
mptapton 0:6b0b61d411ad 267
mptapton 0:6b0b61d411ad 268 high = 0;
mptapton 0:6b0b61d411ad 269 low = 0;
mptapton 0:6b0b61d411ad 270 for (int i=3; i<46; i+=3) {
mptapton 0:6b0b61d411ad 271 high1 = goertzelFilter(Buffer, (note + i ), Counter);
mptapton 0:6b0b61d411ad 272 if (high1 > high) high=high1;
mptapton 0:6b0b61d411ad 273 }
mptapton 0:6b0b61d411ad 274 for (int i=3; i<46; i+=3) {
mptapton 0:6b0b61d411ad 275 low1 = goertzelFilter(Buffer, (note - i ), Counter);
mptapton 0:6b0b61d411ad 276 if (low1 > low) low=low1;
mptapton 0:6b0b61d411ad 277 }
mptapton 0:6b0b61d411ad 278 in_tune1 = goertzelFilter(Buffer, (note+1), Counter);
mptapton 0:6b0b61d411ad 279 in_tune2 = goertzelFilter(Buffer, note, Counter);
mptapton 0:6b0b61d411ad 280 in_tune3 = goertzelFilter(Buffer, (note-1), Counter);
mptapton 0:6b0b61d411ad 281
mptapton 0:6b0b61d411ad 282 if ((in_tune1 > in_tune2) && (in_tune1 > in_tune3)) in_tune = in_tune1;
mptapton 0:6b0b61d411ad 283 else if ((in_tune2 > in_tune1) && (in_tune2 > in_tune3)) in_tune = in_tune2;
mptapton 0:6b0b61d411ad 284 else in_tune = in_tune3;
mptapton 0:6b0b61d411ad 285 if ((in_tune > high) && (in_tune > low)) {
mptapton 0:6b0b61d411ad 286 led_high = 0;
mptapton 0:6b0b61d411ad 287 led_ok = 1;
mptapton 0:6b0b61d411ad 288 led_low = 0;
mptapton 0:6b0b61d411ad 289 } else if (high > in_tune) {
mptapton 0:6b0b61d411ad 290 led_high = 1;
mptapton 0:6b0b61d411ad 291 led_ok = 0;
mptapton 0:6b0b61d411ad 292 led_low = 0;
mptapton 0:6b0b61d411ad 293 } else if (low > in_tune) {
mptapton 0:6b0b61d411ad 294 led_high = 0;
mptapton 0:6b0b61d411ad 295 led_ok = 0;
mptapton 0:6b0b61d411ad 296 led_low = 1;
mptapton 0:6b0b61d411ad 297 } else {
mptapton 0:6b0b61d411ad 298 led_high = 0;
mptapton 0:6b0b61d411ad 299 led_ok = 0;
mptapton 0:6b0b61d411ad 300 led_low = 0;
mptapton 0:6b0b61d411ad 301 }
mptapton 0:6b0b61d411ad 302
mptapton 0:6b0b61d411ad 303 int pintwenty = adc.read(p20); //read pin 20
mptapton 0:6b0b61d411ad 304 lcd.locate(0,1);
mptapton 0:6b0b61d411ad 305 lcd.printf("%s ",key);
mptapton 0:6b0b61d411ad 306 lcd.locate(4,1);// need to deal with lcd screen changes to length of frequencies
mptapton 0:6b0b61d411ad 307 lcd.printf(" ");
mptapton 0:6b0b61d411ad 308 lcd.locate(4,1);
mptapton 0:6b0b61d411ad 309 lcd.printf("%iHz",(int) note);
mptapton 0:6b0b61d411ad 310 lcd.locate(11,1);
mptapton 0:6b0b61d411ad 311 lcd.printf("%4d\n",pintwenty); //need to deal with lcd screen changes to restrict input decimal range to 4sf
mptapton 1:c8ec50d75f80 312 if (led_ok) {
mptapton 1:c8ec50d75f80 313 lcd.printf("Play %s->In Tune",key);
mptapton 1:c8ec50d75f80 314 device.printf("QV%sN2Z", key);// send to mbed 2
mptapton 1:c8ec50d75f80 315 }
mptapton 1:c8ec50d75f80 316 else if (led_low) {
mptapton 1:c8ec50d75f80 317 lcd.printf("Play %s -> 2Low ",key);
mptapton 1:c8ec50d75f80 318 device.printf("QV%sN3Z", key);// send to mbed 2
mptapton 1:c8ec50d75f80 319 }
mptapton 1:c8ec50d75f80 320 else if (led_high) {
mptapton 1:c8ec50d75f80 321 lcd.printf("Play %s -> 2High",key);
mptapton 1:c8ec50d75f80 322 device.printf("QV%sN1Z", key);// send to mbed 2
mptapton 1:c8ec50d75f80 323 }
mptapton 1:c8ec50d75f80 324 Counter = 0;
mptapton 0:6b0b61d411ad 325 }
mptapton 0:6b0b61d411ad 326 }
mptapton 0:6b0b61d411ad 327
mptapton 0:6b0b61d411ad 328
mptapton 0:6b0b61d411ad 329 }
mptapton 0:6b0b61d411ad 330 }