Ayoub AIT IHDA / Mbed 2 deprecated Thing2Do

Things2Do

Dependencies:   DebounceIn PinDetect SI570 Si5351A mbed

Fork of t2d by David Cordova

main.cpp@20:e498fd789660, 2018-03-12 (annotated)

Committer:
aaitihda
Date:
Mon Mar 12 15:39:04 2018 +0000
Revision:
20:e498fd789660
Parent:
19:7f10a8469c31 
PCB progamming code;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dan 0:7dec7e9ac085 1 #include "mbed.h"
davcordova 19:7f10a8469c31 2 #include "si5351a.h"
aaitihda 20:e498fd789660 3 #include "PinDetect.h"
aaitihda 20:e498fd789660 4 #include "DebounceIn.h"
aaitihda 20:e498fd789660 5
aaitihda 20:e498fd789660 6 #define MIN_FREQ 20000000
aaitihda 20:e498fd789660 7 #define MAX_FREQ 120000000
aaitihda 20:e498fd789660 8 #define STEP_FREQ 100000
aaitihda 20:e498fd789660 9 #define RESET_FREQ 35000000
aaitihda 20:e498fd789660 10
aaitihda 20:e498fd789660 11 // Interrupt on digital pushbutton
aaitihda 20:e498fd789660 12 PinDetect buttonReset(p13);
aaitihda 20:e498fd789660 13 PinDetect buttonData(p11);
aaitihda 20:e498fd789660 14 PinDetect buttonIref(p12);
aaitihda 20:e498fd789660 15 PinDetect buttonStep(p23);
aaitihda 20:e498fd789660 16
davcordova 19:7f10a8469c31 17
aaitihda 20:e498fd789660 18 // periodic interrupt routines
aaitihda 20:e498fd789660 19 Ticker data_out;
aaitihda 20:e498fd789660 20 Ticker clock_out;
davcordova 19:7f10a8469c31 21
aaitihda 20:e498fd789660 22 // data, clk, iref switch output
aaitihda 20:e498fd789660 23 DigitalOut data(p15);
aaitihda 20:e498fd789660 24 DigitalOut clk(p14);
aaitihda 20:e498fd789660 25 DigitalOut iref_sw(p16);
aaitihda 20:e498fd789660 26
aaitihda 20:e498fd789660 27 //Encoder
aaitihda 20:e498fd789660 28 DigitalIn A(p22);
aaitihda 20:e498fd789660 29 DigitalIn B(p21);
aaitihda 20:e498fd789660 30
aaitihda 20:e498fd789660 31
aaitihda 20:e498fd789660 32 // Leds
aaitihda 20:e498fd789660 33 DigitalOut led1(LED1);
aaitihda 20:e498fd789660 34 DigitalOut led2(LED2);
aaitihda 20:e498fd789660 35 DigitalOut led3(LED3);
aaitihda 20:e498fd789660 36 DigitalOut led4(LED4);
aaitihda 20:e498fd789660 37
dan 0:7dec7e9ac085 38
aaitihda 20:e498fd789660 39 // setup terminal link
aaitihda 20:e498fd789660 40 Serial pc(USBTX,USBRX);
aaitihda 20:e498fd789660 41
aaitihda 20:e498fd789660 42 // Comparateur Threshold
aaitihda 20:e498fd789660 43 AnalogOut Vth(p18);
aaitihda 20:e498fd789660 44
aaitihda 20:e498fd789660 45 // communication with Si5351A I2C_SDA=p9 & I2C_SCL=p10
aaitihda 20:e498fd789660 46 I2C i2c(p9, p10);
davcordova 19:7f10a8469c31 47
aaitihda 20:e498fd789660 48 // Base clock = 25MHz
aaitihda 20:e498fd789660 49 SI5351A ckref(i2c, 25000000UL,SI5351_CRYSTAL_LOAD_8PF,SI5351_CLK_DRIVE_STRENGTH_8MA);
aaitihda 20:e498fd789660 50
aaitihda 20:e498fd789660 51 // define local file system
aaitihda 20:e498fd789660 52 LocalFileSystem local("local");
aaitihda 20:e498fd789660 53
aaitihda 20:e498fd789660 54 //Interruption function
aaitihda 20:e498fd789660 55 void toggle(void);
aaitihda 20:e498fd789660 56 void initialisation(void);
aaitihda 20:e498fd789660 57 void stepChange(void);
aaitihda 20:e498fd789660 58 void reset(void);
aaitihda 20:e498fd789660 59
davcordova 19:7f10a8469c31 60
aaitihda 20:e498fd789660 61 //read the data from the .txt file
aaitihda 20:e498fd789660 62 uint16_t read_data (int);
aaitihda 20:e498fd789660 63
aaitihda 20:e498fd789660 64 //convert decemal to binary
aaitihda 20:e498fd789660 65 uint16_t * set_dec2bin (uint16_t);
aaitihda 20:e498fd789660 66
aaitihda 20:e498fd789660 67 //send the data to programm the divider
aaitihda 20:e498fd789660 68 void send_data (void);
aaitihda 20:e498fd789660 69
aaitihda 20:e498fd789660 70 //send the clock to programm the divider
aaitihda 20:e498fd789660 71 void send_clk (void);
aaitihda 20:e498fd789660 72
aaitihda 20:e498fd789660 73 // turn all the leds off
aaitihda 20:e498fd789660 74 void allLedsOff(void);
aaitihda 20:e498fd789660 75
aaitihda 20:e498fd789660 76 // turn all the leds on
aaitihda 20:e498fd789660 77 void allLedsOn(void);
aaitihda 20:e498fd789660 78
aaitihda 20:e498fd789660 79 //Variabeles
aaitihda 20:e498fd789660 80 int divider, mode, resetFreq(RESET_FREQ), stepFreq(STEP_FREQ);
aaitihda 20:e498fd789660 81 uint16_t *div_bin; // pointer
aaitihda 20:e498fd789660 82 int count_data,count_clk,counter(0),stepCount(0),thresholdVoltage(0);
aaitihda 20:e498fd789660 83 int aLastState(0);
dan 0:7dec7e9ac085 84
aaitihda 20:e498fd789660 85 int main (){
aaitihda 20:e498fd789660 86
aaitihda 20:e498fd789660 87 //Config the interrupt button with the debouncing
aaitihda 20:e498fd789660 88 buttonReset.mode(PullUp);
aaitihda 20:e498fd789660 89 wait(0.01);
aaitihda 20:e498fd789660 90 buttonReset.attach_asserted(&reset);
aaitihda 20:e498fd789660 91
aaitihda 20:e498fd789660 92 buttonStep.mode(PullUp);
aaitihda 20:e498fd789660 93 wait(0.01);
aaitihda 20:e498fd789660 94 buttonStep.attach_asserted(&stepChange);
aaitihda 20:e498fd789660 95
aaitihda 20:e498fd789660 96 buttonData.mode(PullUp);
aaitihda 20:e498fd789660 97 wait(0.01);
aaitihda 20:e498fd789660 98 buttonData.attach_asserted(&toggle);
aaitihda 20:e498fd789660 99
aaitihda 20:e498fd789660 100 buttonIref.mode(PullUp);
aaitihda 20:e498fd789660 101 wait(0.01);
aaitihda 20:e498fd789660 102 buttonIref.attach_asserted(&initialisation);
aaitihda 20:e498fd789660 103
aaitihda 20:e498fd789660 104 buttonReset.setSampleFrequency();
aaitihda 20:e498fd789660 105 buttonIref.setSampleFrequency();
aaitihda 20:e498fd789660 106 buttonData.setSampleFrequency();
aaitihda 20:e498fd789660 107 buttonStep.setSampleFrequency();
aaitihda 20:e498fd789660 108
aaitihda 20:e498fd789660 109 //Init the variables
aaitihda 20:e498fd789660 110 ckref.set_frequency(SI5351_CLK0, RESET_FREQ); // CLK0=48MHz
aaitihda 20:e498fd789660 111 data = 0;
aaitihda 20:e498fd789660 112 clk = 0;
aaitihda 20:e498fd789660 113 aLastState = A;
davcordova 19:7f10a8469c31 114
aaitihda 20:e498fd789660 115 //Getting the data from the file
aaitihda 20:e498fd789660 116 divider = read_data(0);
aaitihda 20:e498fd789660 117 div_bin = set_dec2bin(divider);
aaitihda 20:e498fd789660 118 mode = read_data(1);
aaitihda 20:e498fd789660 119 resetFreq = read_data(2)*1000000;
aaitihda 20:e498fd789660 120 stepFreq = read_data(3);
aaitihda 20:e498fd789660 121 counter = resetFreq;
aaitihda 20:e498fd789660 122 thresholdVoltage = read_data(4);
aaitihda 20:e498fd789660 123 Vth = ((double)thresholdVoltage/1000) * 0.3f;
aaitihda 20:e498fd789660 124 // Loop
aaitihda 20:e498fd789660 125 while(1){
aaitihda 20:e498fd789660 126 if (A != aLastState){
aaitihda 20:e498fd789660 127 if(B != A)
aaitihda 20:e498fd789660 128 counter = counter + stepFreq;
aaitihda 20:e498fd789660 129 else
aaitihda 20:e498fd789660 130 counter = counter - stepFreq;
davcordova 19:7f10a8469c31 131 }
aaitihda 20:e498fd789660 132 aLastState = A;
aaitihda 20:e498fd789660 133 if(stepCount == 0){
aaitihda 20:e498fd789660 134 allLedsOff();
aaitihda 20:e498fd789660 135 led1 = 1;
davcordova 19:7f10a8469c31 136 }
aaitihda 20:e498fd789660 137 else if (stepCount == 1){
aaitihda 20:e498fd789660 138 allLedsOff();
aaitihda 20:e498fd789660 139 led2 = 1;
aaitihda 20:e498fd789660 140 }
aaitihda 20:e498fd789660 141 else if (stepCount == 2){
aaitihda 20:e498fd789660 142 allLedsOff();
aaitihda 20:e498fd789660 143 led3 = 1;
davcordova 19:7f10a8469c31 144 }
aaitihda 20:e498fd789660 145 else if (stepCount == 3){
aaitihda 20:e498fd789660 146 allLedsOff();
aaitihda 20:e498fd789660 147 led4 = 1;
aaitihda 20:e498fd789660 148 }
aaitihda 20:e498fd789660 149 ckref.set_frequency(SI5351_CLK0, counter);
aaitihda 20:e498fd789660 150 wait(0.2);
aaitihda 20:e498fd789660 151 printf("frequence : %d threshold voltage: %1.2f volts\n\r", counter, Vth.read() * 3.3f);
aaitihda 20:e498fd789660 152 }
aaitihda 20:e498fd789660 153 }
davcordova 19:7f10a8469c31 154
aaitihda 20:e498fd789660 155 void allLedsOff(){
aaitihda 20:e498fd789660 156 led1 = 0;
aaitihda 20:e498fd789660 157 led2 = 0;
aaitihda 20:e498fd789660 158 led3 = 0;
aaitihda 20:e498fd789660 159 led4 = 0;
aaitihda 20:e498fd789660 160 }
davcordova 19:7f10a8469c31 161
aaitihda 20:e498fd789660 162 void allLedsOn(){
aaitihda 20:e498fd789660 163 led1 = 1;
aaitihda 20:e498fd789660 164 led2 = 1;
aaitihda 20:e498fd789660 165 led3 = 1;
aaitihda 20:e498fd789660 166 led4 = 1;
aaitihda 20:e498fd789660 167 }
aaitihda 20:e498fd789660 168
aaitihda 20:e498fd789660 169 //Interrupt fonction
aaitihda 20:e498fd789660 170 void reset(){
aaitihda 20:e498fd789660 171 counter = resetFreq;
aaitihda 20:e498fd789660 172 allLedsOn();
aaitihda 20:e498fd789660 173 wait(0.5);
aaitihda 20:e498fd789660 174 allLedsOff();
aaitihda 20:e498fd789660 175 wait(0.2);
aaitihda 20:e498fd789660 176 allLedsOn();
aaitihda 20:e498fd789660 177 wait(0.5);
aaitihda 20:e498fd789660 178 allLedsOff();
aaitihda 20:e498fd789660 179 }
aaitihda 20:e498fd789660 180
aaitihda 20:e498fd789660 181 void initialisation(){
aaitihda 20:e498fd789660 182 iref_sw = 1;
aaitihda 20:e498fd789660 183 allLedsOn();
aaitihda 20:e498fd789660 184 wait(5);
aaitihda 20:e498fd789660 185 iref_sw = 0;
aaitihda 20:e498fd789660 186 allLedsOff();
aaitihda 20:e498fd789660 187 }
davcordova 19:7f10a8469c31 188
aaitihda 20:e498fd789660 189 void toggle() {
davcordova 19:7f10a8469c31 190 data_out.attach(&send_data, 0.01);
davcordova 19:7f10a8469c31 191 wait(0.005);
davcordova 19:7f10a8469c31 192 clock_out.attach(&send_clk, 0.005);
aaitihda 20:e498fd789660 193 count_data = 0;
aaitihda 20:e498fd789660 194 count_clk = 0;
aaitihda 20:e498fd789660 195 allLedsOff();
aaitihda 20:e498fd789660 196 led1 = 1;
aaitihda 20:e498fd789660 197 wait(0.2);
aaitihda 20:e498fd789660 198 led1 = 0;
aaitihda 20:e498fd789660 199 led2 = 1;
aaitihda 20:e498fd789660 200 wait(0.2);
aaitihda 20:e498fd789660 201 led2 = 0;
aaitihda 20:e498fd789660 202 led3 = 1;
aaitihda 20:e498fd789660 203 wait(0.2);
aaitihda 20:e498fd789660 204 led3 = 0;
aaitihda 20:e498fd789660 205 led4 = 1;
aaitihda 20:e498fd789660 206 wait(0.2);
aaitihda 20:e498fd789660 207 led4 = 0;
davcordova 19:7f10a8469c31 208 }
aaitihda 20:e498fd789660 209
aaitihda 20:e498fd789660 210 void stepChange(){
aaitihda 20:e498fd789660 211 if(stepCount == 3)
aaitihda 20:e498fd789660 212 stepCount = 0;
aaitihda 20:e498fd789660 213 else
aaitihda 20:e498fd789660 214 stepCount++;
aaitihda 20:e498fd789660 215 if(stepCount == 0){
aaitihda 20:e498fd789660 216 allLedsOff();
aaitihda 20:e498fd789660 217 stepFreq = stepFreq*1000;
aaitihda 20:e498fd789660 218 led1 = 1;
aaitihda 20:e498fd789660 219 }
aaitihda 20:e498fd789660 220 else if (stepCount == 1){
aaitihda 20:e498fd789660 221 allLedsOff();
aaitihda 20:e498fd789660 222 stepFreq = stepFreq*10000;
aaitihda 20:e498fd789660 223 led2 = 1;
aaitihda 20:e498fd789660 224 }
aaitihda 20:e498fd789660 225 else if (stepCount == 2){
aaitihda 20:e498fd789660 226 allLedsOff();
aaitihda 20:e498fd789660 227 stepFreq = stepFreq*100000;
aaitihda 20:e498fd789660 228 led3 = 1;
aaitihda 20:e498fd789660 229 }
aaitihda 20:e498fd789660 230 else{
aaitihda 20:e498fd789660 231 allLedsOff();
aaitihda 20:e498fd789660 232 stepFreq = stepFreq*1000000;
aaitihda 20:e498fd789660 233 led4 = 1;
aaitihda 20:e498fd789660 234 }
aaitihda 20:e498fd789660 235 }
aaitihda 20:e498fd789660 236
aaitihda 20:e498fd789660 237
aaitihda 20:e498fd789660 238 void send_data (void){
aaitihda 20:e498fd789660 239 if(count_data<12){
aaitihda 20:e498fd789660 240 if(mode==0){
aaitihda 20:e498fd789660 241 data= *(div_bin+count_data);
aaitihda 20:e498fd789660 242 pc.printf("%d",*(div_bin+count_data));
aaitihda 20:e498fd789660 243 count_data=count_data+1;
aaitihda 20:e498fd789660 244 }
aaitihda 20:e498fd789660 245 if(mode==1) {
aaitihda 20:e498fd789660 246 data= *(div_bin+11-count_data);
aaitihda 20:e498fd789660 247 pc.printf("%d",*(div_bin+11-count_data));
aaitihda 20:e498fd789660 248 count_data=count_data+1;
aaitihda 20:e498fd789660 249 }
aaitihda 20:e498fd789660 250 }
aaitihda 20:e498fd789660 251 else
aaitihda 20:e498fd789660 252 data=0;
aaitihda 20:e498fd789660 253 }
aaitihda 20:e498fd789660 254
aaitihda 20:e498fd789660 255 void send_clk (void){
aaitihda 20:e498fd789660 256 if(count_clk<24) {
aaitihda 20:e498fd789660 257 clk=!clk;
aaitihda 20:e498fd789660 258 count_clk=count_clk+1;
aaitihda 20:e498fd789660 259 }
aaitihda 20:e498fd789660 260 else {
aaitihda 20:e498fd789660 261 clk=0;;
aaitihda 20:e498fd789660 262 }
aaitihda 20:e498fd789660 263 }
aaitihda 20:e498fd789660 264
aaitihda 20:e498fd789660 265 uint16_t read_data (int mode)
aaitihda 20:e498fd789660 266 {
aaitihda 20:e498fd789660 267 int value;
aaitihda 20:e498fd789660 268 int i,j;
aaitihda 20:e498fd789660 269 char text[10][10]; // when the file exist and have data
aaitihda 20:e498fd789660 270 char line[10]; // it reads line by line
aaitihda 20:e498fd789660 271
aaitihda 20:e498fd789660 272 for(i=0; i<10; i++)
aaitihda 20:e498fd789660 273 for(j=0; j<10; j++)
aaitihda 20:e498fd789660 274 text[i][j] = '\0'; // initializing the vector with null
aaitihda 20:e498fd789660 275 for(i=0; i<10; i++)
aaitihda 20:e498fd789660 276 line[i] = '\0';
aaitihda 20:e498fd789660 277
aaitihda 20:e498fd789660 278 FILE* fp = fopen ("/local/div_prog.txt","r"); // open file for reading
aaitihda 20:e498fd789660 279 if (fp!=NULL){
aaitihda 20:e498fd789660 280 fseek (fp, 0, SEEK_END);
aaitihda 20:e498fd789660 281 int size = ftell(fp);
aaitihda 20:e498fd789660 282 if (size==0){
aaitihda 20:e498fd789660 283 pc.printf("File is empty\n\r");
aaitihda 20:e498fd789660 284 }
aaitihda 20:e498fd789660 285 else{
aaitihda 20:e498fd789660 286 rewind (fp); // restore pointer to the begin of the file
aaitihda 20:e498fd789660 287 i=0;
aaitihda 20:e498fd789660 288 while ( fgets ( line, sizeof line, fp ) != NULL ){ /* read a line */
aaitihda 20:e498fd789660 289 strcpy(text[i], line);
aaitihda 20:e498fd789660 290 printf("array ----> %s", text[i]);
aaitihda 20:e498fd789660 291 i++;
aaitihda 20:e498fd789660 292 }
aaitihda 20:e498fd789660 293 fclose(fp); // close file
aaitihda 20:e498fd789660 294 if(mode==0){// Get the divider value
aaitihda 20:e498fd789660 295 value=atoi(text[mode]);
aaitihda 20:e498fd789660 296 pc.printf("Divider value = %d \n\r",value); // display read data value
aaitihda 20:e498fd789660 297 }
aaitihda 20:e498fd789660 298 if(mode==1){// Get the Mode (LSB/MSB)
aaitihda 20:e498fd789660 299 value=atoi(text[mode]);
aaitihda 20:e498fd789660 300 if (value==0)
aaitihda 20:e498fd789660 301 pc.printf("LSB Mode \n"); //
aaitihda 20:e498fd789660 302 if (value==1)
aaitihda 20:e498fd789660 303 pc.printf("MSB Mode \n"); //
aaitihda 20:e498fd789660 304 }
aaitihda 20:e498fd789660 305 if(mode==2){// Get the Reset frequency in MHz
aaitihda 20:e498fd789660 306 value=atoi(text[mode]);
aaitihda 20:e498fd789660 307 pc.printf("Reset Frequency = %d \n\r", value);
aaitihda 20:e498fd789660 308 }
aaitihda 20:e498fd789660 309 if(mode==3){// Get the frequency step
aaitihda 20:e498fd789660 310 value=atoi(text[mode]);
aaitihda 20:e498fd789660 311 pc.printf("Frequency Step = %d \n\r", value);
aaitihda 20:e498fd789660 312 }
aaitihda 20:e498fd789660 313 if(mode==4){
aaitihda 20:e498fd789660 314 value=atoi(text[mode]);
aaitihda 20:e498fd789660 315 pc.printf("Threshold voltage = %d \n\r",value);
aaitihda 20:e498fd789660 316 }
aaitihda 20:e498fd789660 317 }
aaitihda 20:e498fd789660 318 }
aaitihda 20:e498fd789660 319
aaitihda 20:e498fd789660 320 else{
aaitihda 20:e498fd789660 321 int num;
aaitihda 20:e498fd789660 322 pc.printf("File does no exist \n\r");
aaitihda 20:e498fd789660 323 pc.printf("Enter the divider value \n: \r");
aaitihda 20:e498fd789660 324 pc.printf("Byte to send LSB(0) or MSB(1)\n: \r");
aaitihda 20:e498fd789660 325 for(i=0; i<2; i++){ //just read to save to lines
aaitihda 20:e498fd789660 326 pc.scanf("%s\r", text[i]);
aaitihda 20:e498fd789660 327 while (!(sscanf(text[i], "%d\r", &num))){
aaitihda 20:e498fd789660 328 printf("Invalid input '%s'\n\r", text[i]);
aaitihda 20:e498fd789660 329 pc.scanf("%s\r", text[i]);
aaitihda 20:e498fd789660 330 }
aaitihda 20:e498fd789660 331 }
aaitihda 20:e498fd789660 332
aaitihda 20:e498fd789660 333 }
aaitihda 20:e498fd789660 334 return value;
aaitihda 20:e498fd789660 335 }
aaitihda 20:e498fd789660 336
aaitihda 20:e498fd789660 337 uint16_t * set_dec2bin (uint16_t read_div) {
aaitihda 20:e498fd789660 338 int i;
aaitihda 20:e498fd789660 339 static uint16_t r[12];
aaitihda 20:e498fd789660 340 for( i = 0; i < 12; i++ ){
aaitihda 20:e498fd789660 341 r[i]= read_div >> i & 1;
aaitihda 20:e498fd789660 342 pc.printf("%d",r[i]); // display read data value
aaitihda 20:e498fd789660 343 }
aaitihda 20:e498fd789660 344 pc.printf("\n\r");
aaitihda 20:e498fd789660 345 return r;
aaitihda 20:e498fd789660 346 }