Ayoub AIT IHDA
Things2Do
Dependencies: DebounceIn PinDetect SI570 Si5351A mbed
Fork of
t2d
by 
David Cordova
Diff: main.cpp
- Revision:
- 20:e498fd789660
- Parent:
- 19:7f10a8469c31
--- a/main.cpp Thu Feb 01 12:26:02 2018 +0000
+++ b/main.cpp Mon Mar 12 15:39:04 2018 +0000
@@ -1,209 +1,346 @@
-
#include "mbed.h"
#include "si5351a.h"
+#include "PinDetect.h"
+#include "DebounceIn.h"
+
+#define MIN_FREQ 20000000
+#define MAX_FREQ 120000000
+#define STEP_FREQ 100000
+#define RESET_FREQ 35000000
+
+// Interrupt on digital pushbutton
+PinDetect buttonReset(p13);
+PinDetect buttonData(p11);
+PinDetect buttonIref(p12);
+PinDetect buttonStep(p23);
+
- InterruptIn button(p18); // Interrupt on digital pushbutton input p18
- Timer debounce; // define debounce timer
- Ticker data_out; // periodic interrupt routines
- Ticker clock_out;
- DigitalOut data(p16);
- DigitalOut clk(p17);
- DigitalOut swon(p21);
- DigitalOut swled(LED1);
+// periodic interrupt routines
+Ticker data_out;
+Ticker clock_out;
- uint16_t divider, mode;
- uint32_t ref0,ref1,ref2;
- uint16_t *div_bin; // pointer
- int count_data,count_clk;
+// data, clk, iref switch output
+DigitalOut data(p15);
+DigitalOut clk(p14);
+DigitalOut iref_sw(p16);
+
+//Encoder
+DigitalIn A(p22);
+DigitalIn B(p21);
+
+
+// Leds
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
- I2C i2c(p28, p27); // communication with Si5351A I2C_SDA=p28 & I2C_SCL=p27
- SI5351A ckref(i2c, 25000000UL); // Base clock = 25MHz
- Serial pc(USBTX,USBRX); // setup terminal link
- LocalFileSystem local("local"); // define local file system
+// setup terminal link
+Serial pc(USBTX,USBRX);
+
+// Comparateur Threshold
+AnalogOut Vth(p18);
+
+// communication with Si5351A I2C_SDA=p9 & I2C_SCL=p10
+I2C i2c(p9, p10);
- uint16_t read_data (int );
- uint16_t * set_dec2bin (uint16_t);
- void send_data (void);
- void send_clk (void);
- void toggle(void); // function prototype
+// Base clock = 25MHz
+SI5351A ckref(i2c, 25000000UL,SI5351_CRYSTAL_LOAD_8PF,SI5351_CLK_DRIVE_STRENGTH_8MA);
+
+// define local file system
+LocalFileSystem local("local");
+
+//Interruption function
+void toggle(void);
+void initialisation(void);
+void stepChange(void);
+void reset(void);
+
- uint16_t read_data (int mode)
- {
- // char bitmode[10];
- // char div[10];
- // char reads[10], readc[10];
- // char writes[10];
- // char writec[10];
- uint16_t value;
- int i,j;
- char text[10][10]; // when the file exist and have data
- char line[10]; // it reads line by line
+//read the data from the .txt file
+uint16_t read_data (int);
+
+//convert decemal to binary
+uint16_t * set_dec2bin (uint16_t);
+
+//send the data to programm the divider
+void send_data (void);
+
+//send the clock to programm the divider
+void send_clk (void);
+
+// turn all the leds off
+void allLedsOff(void);
+
+// turn all the leds on
+void allLedsOn(void);
+
+//Variabeles
+int divider, mode, resetFreq(RESET_FREQ), stepFreq(STEP_FREQ);
+uint16_t *div_bin; // pointer
+int count_data,count_clk,counter(0),stepCount(0),thresholdVoltage(0);
+int aLastState(0);
- for(i=0; i<10; i++)
- for(j=0; j<10; j++)
- text[i][j] = '\0'; // initializing the vector with null
- for(i=0; i<10; i++)
- line[i] = '\0';
-
- FILE* fp = fopen ("/local/div_prog.txt","r"); // open file for reading
- if (fp!=NULL)
- {
- fseek (fp, 0, SEEK_END);
- int size = ftell(fp);
- if (size==0)
- {
- pc.printf("File is empty\n");
- }
- else
- {
- rewind (fp); // restore pointer to the begin of the file
- i=0;
- while ( fgets ( line, sizeof line, fp ) != NULL ) /* read a line */
- {
- strcpy(text[i], line);
- printf("array ----> %s ", text[i]);
- i++;
- }
- fclose(fp); // close file
-
- if(mode==0)
- {
- value=atoi(text[mode]);
- pc.printf("Divider value = %d \n",value); // display read data value
- }
- if(mode==1)
- {
- value=atoi(text[mode]);
- if (value==0)
- pc.printf("LSB Mode \n"); //
- if (value==1)
- pc.printf("MSB Mode \n"); //
- }
- }
- }
-
- else
- {
- int num;
- pc.printf("File does no exist \n");
- pc.printf("Enter the divider value \n: ");
- pc.printf("Byte to send LSB(0) or MSB(1)\n: ");
-
- for(i=0; i<2; i++) //just read to save to lines
- {
- pc.scanf("%s", text[i]);
- while (!(sscanf(text[i], "%d", &num)))
- {
- printf("Invalid input '%s'\n", text[i]);
- pc.scanf("%s", text[i]);
- }
- }
-
-
- }
-
- // FILE* fp2 = fopen("/local/div_prog.txt","w"); // open file
- // memcpy(writes, div, sizeof writes);
- // fputs(writes, fp2); // put char (data value) into file
- // fclose(fp2); // close file
- // value=atoi(writes);
- // pc.printf("Divider valuec = %d \n",value); // display read data value
-
- return value;
- }
+int main (){
+
+ //Config the interrupt button with the debouncing
+ buttonReset.mode(PullUp);
+ wait(0.01);
+ buttonReset.attach_asserted(&reset);
+
+ buttonStep.mode(PullUp);
+ wait(0.01);
+ buttonStep.attach_asserted(&stepChange);
+
+ buttonData.mode(PullUp);
+ wait(0.01);
+ buttonData.attach_asserted(&toggle);
+
+ buttonIref.mode(PullUp);
+ wait(0.01);
+ buttonIref.attach_asserted(&initialisation);
+
+ buttonReset.setSampleFrequency();
+ buttonIref.setSampleFrequency();
+ buttonData.setSampleFrequency();
+ buttonStep.setSampleFrequency();
+
+ //Init the variables
+ ckref.set_frequency(SI5351_CLK0, RESET_FREQ); // CLK0=48MHz
+ data = 0;
+ clk = 0;
+ aLastState = A;
- uint16_t * set_dec2bin (uint16_t read_div) {
- int i;
- static uint16_t r[12];
- /* for loop execution */
- for( i = 0; i < 12; i++ ){
- r[i]= read_div >> i & 1;
- pc.printf("%d",r[i]); // display read data value
- }
- pc.printf("\n");
- return r;
- }
-
-
- void send_data (void) {
- if(count_data<12) {
- if(mode==0){
- data= *(div_bin+count_data);
- pc.printf("%d",*(div_bin+count_data));
- count_data=count_data+1;
+ //Getting the data from the file
+ divider = read_data(0);
+ div_bin = set_dec2bin(divider);
+ mode = read_data(1);
+ resetFreq = read_data(2)*1000000;
+ stepFreq = read_data(3);
+ counter = resetFreq;
+ thresholdVoltage = read_data(4);
+ Vth = ((double)thresholdVoltage/1000) * 0.3f;
+ // Loop
+ while(1){
+ if (A != aLastState){
+ if(B != A)
+ counter = counter + stepFreq;
+ else
+ counter = counter - stepFreq;
}
- if(mode==1) {
- data= *(div_bin+11-count_data);
- pc.printf("%d",*(div_bin+11-count_data));
- count_data=count_data+1;
+ aLastState = A;
+ if(stepCount == 0){
+ allLedsOff();
+ led1 = 1;
}
-
- }
- else {
- data=0;
- // count_data=0;
- // pc.printf("\n");
- }
-
- }
-
- void send_clk (void){
- if(count_clk<24) {
- clk=!clk;
- // pc.printf("d%d",clk);
- count_clk=count_clk+1;
+ else if (stepCount == 1){
+ allLedsOff();
+ led2 = 1;
+ }
+ else if (stepCount == 2){
+ allLedsOff();
+ led3 = 1;
}
- else {
- clk=0;
- // count_clk=0;
- // pc.printf("\n");
- }
-
- }
+ else if (stepCount == 3){
+ allLedsOff();
+ led4 = 1;
+ }
+ ckref.set_frequency(SI5351_CLK0, counter);
+ wait(0.2);
+ printf("frequence : %d threshold voltage: %1.2f volts\n\r", counter, Vth.read() * 3.3f);
+ }
+}
- int main ()
- {
- ref0=read_data(2);
- ref1=read_data(3);
- ref2=read_data(4);
- //ckref.set_frequency(SI5351_CLK0, ref0*1000000); // CLK0=48MHz
- //ckref.set_frequency(SI5351_CLK1, ref1*1000000); // CLK0=50MHz
- //ckref.set_frequency(SI5351_CLK2, ref2*1000000); // CLK0=45MHz
- // ckref.set_frequency(SI5351_CLK0, 40000000); // CLK0=48MHz
- ckref.set_frequency(SI5351_CLK1, 4800000); // CLK0=50MHz
- // ckref.set_frequency(SI5351_CLK2, 49000000); // CLK0=45MHz
+void allLedsOff(){
+ led1 = 0;
+ led2 = 0;
+ led3 = 0;
+ led4 = 0;
+}
- data=0;
- clk=0;
- divider= read_data(0);
- div_bin= set_dec2bin(divider);
- mode= read_data(1);
-
- debounce.start();
- button.rise(&toggle); // attach the address of the toggle
- swon=1;
- swled=1;
- wait(1);
- swon=0;
- swled=0;
- while(1) { //begin while
- wait(1);
- } // end while
-
- }
+void allLedsOn(){
+ led1 = 1;
+ led2 = 1;
+ led3 = 1;
+ led4 = 1;
+}
+
+//Interrupt fonction
+void reset(){
+ counter = resetFreq;
+ allLedsOn();
+ wait(0.5);
+ allLedsOff();
+ wait(0.2);
+ allLedsOn();
+ wait(0.5);
+ allLedsOff();
+}
+
+void initialisation(){
+ iref_sw = 1;
+ allLedsOn();
+ wait(5);
+ iref_sw = 0;
+ allLedsOff();
+}
- void toggle() {
- if (debounce.read_ms()>200) // only allow toggle if debounce timer
+void toggle() {
data_out.attach(&send_data, 0.01);
wait(0.005);
clock_out.attach(&send_clk, 0.005);
- debounce.reset(); // restart timer when the toggle is performed
- count_data=0;
- count_clk=0;
- swon=1;
- swled=1;
- wait(1);
- swon=0;
- swled=0;
+ count_data = 0;
+ count_clk = 0;
+ allLedsOff();
+ led1 = 1;
+ wait(0.2);
+ led1 = 0;
+ led2 = 1;
+ wait(0.2);
+ led2 = 0;
+ led3 = 1;
+ wait(0.2);
+ led3 = 0;
+ led4 = 1;
+ wait(0.2);
+ led4 = 0;
}
-
\ No newline at end of file
+
+void stepChange(){
+ if(stepCount == 3)
+ stepCount = 0;
+ else
+ stepCount++;
+ if(stepCount == 0){
+ allLedsOff();
+ stepFreq = stepFreq*1000;
+ led1 = 1;
+ }
+ else if (stepCount == 1){
+ allLedsOff();
+ stepFreq = stepFreq*10000;
+ led2 = 1;
+ }
+ else if (stepCount == 2){
+ allLedsOff();
+ stepFreq = stepFreq*100000;
+ led3 = 1;
+ }
+ else{
+ allLedsOff();
+ stepFreq = stepFreq*1000000;
+ led4 = 1;
+ }
+}
+
+
+void send_data (void){
+ if(count_data<12){
+ if(mode==0){
+ data= *(div_bin+count_data);
+ pc.printf("%d",*(div_bin+count_data));
+ count_data=count_data+1;
+ }
+ if(mode==1) {
+ data= *(div_bin+11-count_data);
+ pc.printf("%d",*(div_bin+11-count_data));
+ count_data=count_data+1;
+ }
+ }
+ else
+ data=0;
+}
+
+void send_clk (void){
+ if(count_clk<24) {
+ clk=!clk;
+ count_clk=count_clk+1;
+ }
+ else {
+ clk=0;;
+ }
+}
+
+uint16_t read_data (int mode)
+{
+ int value;
+ int i,j;
+ char text[10][10]; // when the file exist and have data
+ char line[10]; // it reads line by line
+
+ for(i=0; i<10; i++)
+ for(j=0; j<10; j++)
+ text[i][j] = '\0'; // initializing the vector with null
+ for(i=0; i<10; i++)
+ line[i] = '\0';
+
+ FILE* fp = fopen ("/local/div_prog.txt","r"); // open file for reading
+ if (fp!=NULL){
+ fseek (fp, 0, SEEK_END);
+ int size = ftell(fp);
+ if (size==0){
+ pc.printf("File is empty\n\r");
+ }
+ else{
+ rewind (fp); // restore pointer to the begin of the file
+ i=0;
+ while ( fgets ( line, sizeof line, fp ) != NULL ){ /* read a line */
+ strcpy(text[i], line);
+ printf("array ----> %s", text[i]);
+ i++;
+ }
+ fclose(fp); // close file
+ if(mode==0){// Get the divider value
+ value=atoi(text[mode]);
+ pc.printf("Divider value = %d \n\r",value); // display read data value
+ }
+ if(mode==1){// Get the Mode (LSB/MSB)
+ value=atoi(text[mode]);
+ if (value==0)
+ pc.printf("LSB Mode \n"); //
+ if (value==1)
+ pc.printf("MSB Mode \n"); //
+ }
+ if(mode==2){// Get the Reset frequency in MHz
+ value=atoi(text[mode]);
+ pc.printf("Reset Frequency = %d \n\r", value);
+ }
+ if(mode==3){// Get the frequency step
+ value=atoi(text[mode]);
+ pc.printf("Frequency Step = %d \n\r", value);
+ }
+ if(mode==4){
+ value=atoi(text[mode]);
+ pc.printf("Threshold voltage = %d \n\r",value);
+ }
+ }
+ }
+
+ else{
+ int num;
+ pc.printf("File does no exist \n\r");
+ pc.printf("Enter the divider value \n: \r");
+ pc.printf("Byte to send LSB(0) or MSB(1)\n: \r");
+ for(i=0; i<2; i++){ //just read to save to lines
+ pc.scanf("%s\r", text[i]);
+ while (!(sscanf(text[i], "%d\r", &num))){
+ printf("Invalid input '%s'\n\r", text[i]);
+ pc.scanf("%s\r", text[i]);
+ }
+ }
+
+ }
+ return value;
+}
+
+uint16_t * set_dec2bin (uint16_t read_div) {
+ int i;
+ static uint16_t r[12];
+ for( i = 0; i < 12; i++ ){
+ r[i]= read_div >> i & 1;
+ pc.printf("%d",r[i]); // display read data value
+ }
+ pc.printf("\n\r");
+ return r;
+}