hautot hautot
CNA ltc1655 et adg715
Revision 0:fbc63633ebee, committed 2015-06-10
- Comitter:
- denishautot
- Date:
- Wed Jun 10 07:20:17 2015 +0000
- Commit message:
- Projet sts2 lycee victor hugo Besesancon
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/branche_capt.h Wed Jun 10 07:20:17 2015 +0000
@@ -0,0 +1,7 @@
+ int branche_capteur (char num_capteur)
+ {
+ char data[1];
+ data[0]=0x03;
+ const int addr = 0x90;
+ i2c.write( addr, data,1);
+ }
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/cherche_equilibre.h Wed Jun 10 07:20:17 2015 +0000
@@ -0,0 +1,45 @@
+unsigned int cherche_equilibre (unsigned int valnum)
+{
+ int i;
+ unsigned int val;
+ float result;
+ val=0;
+ for (i=0; i<=4; i=i++) {
+ valnum =15100;
+ cna.write(valnum);
+ while (ina.read()>=0.5) {
+ valnum = valnum+1;
+ wait(0.020);
+ cs=0;
+ // pc.printf("%U \n\r",ina.read());
+ cna.write(valnum);
+ cs=1;
+ }
+ pc.printf("Val_CAN %U \n\r",valnum);
+ val=val+valnum;
+ valnum =15500;
+ cna.write(valnum);
+ while (ina.read()<=0.5) {
+
+ valnum = valnum-1;
+ wait(0.020);
+ cs=0;
+ // pc.printf("%U \n\r",ina.read());
+ cna.write(valnum);
+ cs=1;
+ }
+ val=val+valnum;
+ pc.printf("Val_CAN %U \n\r",valnum);
+ }
+
+ pc.printf("Val_CAN %U \n\r",val);
+ result=val/10;
+ val=result;
+ cs=0;
+ cna.write(val);
+ cs=1;
+ pc.printf("Equilibre capteur 1= %f \n\r",result);
+ return (val);
+
+
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/cherche_tension.h Wed Jun 10 07:20:17 2015 +0000
@@ -0,0 +1,23 @@
+unsigned int cherche_tension (unsigned int valnum)
+ { cna.write(valnum);
+ while (ina.read()>=0.5) {
+ myled = 1;
+ valnum = valnum+5;
+ cs=0;
+ // pc.printf("%U \n\r",ina.read());
+ cna.write(valnum);
+ cs=1;
+ }
+ while (ina.read()<=0.5) {
+ myled = 1;
+ valnum = valnum-5;
+ cs=0;
+ // pc.printf("%U \n\r",ina.read());
+ cna.write(valnum);
+ cs=1;
+ }
+ pc.printf("%U \n\r",ina.read());
+ return (valnum);
+
+
+ }
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Jun 10 07:20:17 2015 +0000
@@ -0,0 +1,132 @@
+#include "mbed.h"
+DigitalOut myled(LED1);
+I2C i2c(p9, p10);
+AnalogIn ina(p15);
+SPI cna(p5, p6, p7); // mosi, miso, sclk
+DigitalOut cs(p25);
+Serial pc(USBTX, USBRX);
+Ticker timer; // timer 1 seconde pour mesure
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+short num_capt; // numéro de cateur en cours de mesure
+unsigned int val_capt1,val_capt2,val_capt3,val_capt4,val_capt5,val_capt6,val_capt7,val_capt8; // valeurs des differents capteurs
+unsigned int val_ref_capt1,val_ref_capt2,val_ref_capt3,val_ref_capt4,val_ref_capt5,val_ref_capt6,val_ref_capt7,val_ref_capt8; // valeurs des differents capteurs lorsque le ponr est à l'équilibre
+
+#include "cherche_tension.h"
+#include "cherche_equilibre.h"
+#include "branche_capt.h"
+
+bool mesure;
+
+void attime()
+{
+ mesure=true;
+}
+
+
+
+int main()
+{
+ mesure=false; // boolean de mesure, passera à true toutes les secondes (timer)
+ branche_capteur(1);
+ cna.format(16,0); // passe la spi en mode 16 bits
+ cs=1;
+ unsigned long int valcna;
+ unsigned int valnum;
+ valcna=0;
+ wait(0.5);
+ cs=0;
+ cna.write(valcna);
+ cs=1;
+ // pc.printf("Mesure de l'equilibre des jauges... \n\r");
+ // val_ref_capt1=cherche_equilibre(1);
+ wait(0.1);
+ // val_ref_capt1=cherche_equilibre(1);
+ // pc.printf("Equilibre capteur 1= %U \n\r",val_ref_capt1);
+ //val_ref_capt2=cherche_equilibre(2);
+ //pc.printf("Equilibre capteur 2= %U \n\r",val_ref_capt2);
+ // faire pour les 9 capteurs
+ unsigned int val;
+ valnum =10500;
+ cna.write(valnum);
+ wait(1);
+// timer.attach(&attime, 15); // création d'un timer une secon pour activer la poursuite et mesure
+ // while(1) {
+ // valcna==cherche_equilibre(1);
+
+ // pc.printf("Resultat numerique capteur1: %U\r\n",valcna); // valeur lue cna sur capteur
+
+ // valnum =0000;
+ // cna.write(valnum);
+
+
+
+ cherche_equilibre(10500);
+
+ /*
+ valnum =12000;
+ cna.write(valnum);
+ wait_us(1000);
+ while (ina.read()>=0.5) {
+ //myled = 1;
+ valnum ++;
+ cs=0;
+ // pc.printf("%U \n\r",ina.read());
+ cna.write(valnum);
+ wait_ms(10);
+ cs=1;
+ }
+ val=ina.read_u16()-27070;
+ */
+DigitalOut a(p5);
+DigitalOut b(p7);
+ a=0;
+ b=0;
+ pc.printf("Equilibre capteur 1= %U %U \n\r",valnum,val);
+ wait(1);
+ // pc.printf("Deformation: %d\r\n",val_ref_capt1-valcna);
+ // wait(5);
+
+ // valcna=cherche_tension(2);
+ // pc.printf("Resultat numerique capteur2: %d\r\n",val_ref_capt2-valcna);
+ // led2=!led2;
+
+
+ float result;
+
+ while(true)
+ {
+ val=0;
+ val=val+ina.read_u16();
+ wait(0.1);
+ val=val+ina.read_u16();
+ wait(0.1);
+ val=val+ina.read_u16();
+ wait(0.1);
+ val=val+ina.read_u16();
+ wait(0.1);
+ val=val+ina.read_u16();
+ wait(0.1);
+ val=val+ina.read_u16();
+ wait(0.1);
+ val=val+ina.read_u16();
+ wait(0.1);
+ val=val+ina.read_u16();
+ wait(0.1);
+ val=val+ina.read_u16();
+ wait(0.1);
+ val=val+ina.read_u16();
+ wait(0.1);
+ result=val/10;
+ val=result;
+
+ pc.printf("Val_CAN %U \n\r",val);
+ }
+ // }
+// pc.printf("Val_CAN %f \n\r",val);
+}
+
+
+
+
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Jun 10 07:20:17 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/433970e64889 \ No newline at end of file