thibault lottin / Mbed 2 deprecated TD1_exe1_suite

td1suite

Dependencies:   lib_LCD_i2c_SPTLYI mbed

Files at this revision

API Documentation at this revision

Revision 0:24f677c563ac, committed 2014-10-23

Comitter:
mbedo
Date:
Thu Oct 23 12:11:14 2014 +0000
Commit message:
td1suite;

Changed in this revision

capteur.cpp Show annotated file Show diff for this revision Revisions of this file
lib_LCD_i2c_SPTLYI.lib Show annotated file Show diff for this revision Revisions of this file
lib_SHT/lib_SHT11.cpp Show annotated file Show diff for this revision Revisions of this file
lib_SHT/lib_SHT11.h Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/capteur.cpp	Thu Oct 23 12:11:14 2014 +0000
@@ -0,0 +1,27 @@
+#include "mbed.h"
+#include "lib_SHT11.h"
+#include "lib_LCD_i2c_SPTLYI.h"
+SHT11 sensor(p30,p29,2.0);
+ LCD_I2C LCD(p28,p27,p26,0x7C);
+ 
+ 
+ int main()
+{
+ LCD.set_position_cursor(0,0);
+    LCD.print("temp:");
+    LCD.set_position_cursor(0,1);
+    LCD.print("hum:");
+    while(1) 
+   { 
+      LCD.set_position_cursor(5,0);
+      LCD.print("%.2f%cC",sensor.lire_T(),0xDF); 
+      wait(5);
+      
+      LCD.set_position_cursor(4,1);
+      LCD.print("%.2f%c",sensor.lire_H(),37); // LCD.print(1,2,3)
+      
+      //1: placement de caractères %d (entier) %f(flottant) : %.'nombre'f pour nombre de chiffres ap virgule  %c pour caractère (ex l 17 pour le C)
+      //2: nom du composant: ici c'est sensor(p30 machin) suivit d'un point et du nom de la fonction(lire_T)
+      //3: chiffre(cf table de translation ciffre=>caractère) du caractère installé avec le %c
+      
+      }}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib_LCD_i2c_SPTLYI.lib	Thu Oct 23 12:11:14 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/YSI/code/lib_LCD_i2c_SPTLYI/#a805daa83dd0

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib_SHT/lib_SHT11.cpp	Thu Oct 23 12:11:14 2014 +0000
@@ -0,0 +1,262 @@
+#include "lib_SHT11.h"
+
+
+SHT11::SHT11(PinName pin_DATA, PinName pin_SCK, float T_C_mesure) : DATA_HT(pin_DATA), SCK_HT(pin_SCK), Temps_cycle_mesure(T_C_mesure)
+{
+    if(Temps_cycle_mesure < 2)  Temps_cycle_mesure = 2;
+    init();
+}
+
+void SHT11::start(void)
+{
+    DATA_HT.output();
+    DATA_HT=1;
+    SCK_HT=0;
+//    wait_us(1);
+    SCK_HT=1;
+//    wait_us(1);
+    DATA_HT=0;
+//    wait_us(1);
+    SCK_HT=0;
+//    wait_us(1);
+    SCK_HT=1;
+//    wait_us(1);
+    DATA_HT=1;
+//    wait_us(1);
+    SCK_HT=0;
+//    wait_us(1);
+    DATA_HT=0;
+}
+
+void SHT11::changer_timer_cycle(float new_Temps_cycle_mesure)
+{
+    if(new_Temps_cycle_mesure < 2)  Temps_cycle_mesure = 2;
+    else Temps_cycle_mesure = new_Temps_cycle_mesure;
+    if(etat_cycle)  desactiver();   init();
+}
+
+void SHT11::init(void)
+{
+//       ____________________________________________  
+// DATA                                              |__
+//            __   __   __   __   __   __   __   __   __
+// SCK_HT   _|  |_|  |_|  |_|  |_|  |_|  |_|  |_|  |_|  |_
+    unsigned char i;
+    DATA_HT.output();
+    DATA_HT=1;
+    SCK_HT=0;
+    for (i=0;i<9;i++)
+    {
+        SCK_HT=1;
+//        wait_us(1);
+        SCK_HT=0;
+//        wait_us(1);
+    }
+        etat_sht11=0;
+        etat_cycle=1;
+        Timer_cycle_mesure.attach(this, &SHT11::gestion_HT, Temps_cycle_mesure);
+}
+
+void SHT11::desactiver(void)
+{
+        etat_cycle=0;
+        Timer_cycle_mesure.detach();
+}
+
+void SHT11::demande_mesure(short octet_de_commande)
+{
+    unsigned int i;
+
+    DATA_HT.output();
+    for(i=0;i<8;i++)
+    {              
+        if ((octet_de_commande)&(0x80)) DATA_HT=1;
+        else DATA_HT=0;
+//        wait_us(1);
+        SCK_HT=1;
+//        wait_us(1);
+        SCK_HT=0;
+        octet_de_commande=octet_de_commande*2;
+    }
+    DATA_HT.input();
+//    wait_us(1);
+    SCK_HT=1;
+//    wait_us(1);
+    SCK_HT=0;
+//    wait_us(1);
+    DATA_HT.output();
+    DATA_HT=1;
+    DATA_HT.input();
+}
+
+void SHT11::mesure_T(void)
+{
+    start();
+    demande_mesure(3);
+}
+
+void SHT11::mesure_H(void)
+{
+    start();
+    demande_mesure(5);
+}
+
+void SHT11::calcul_Temperature_Humidite(void)
+{
+    Temperature_mesuree=(Temperature*0.01-40);
+    Humidite_mesuree=((float)Temperature_mesuree-25.0)*(0.01+(0.00008*Humidite))-4+0.0405*Humidite-0.0000028*Humidite*Humidite;
+}
+
+void SHT11::reception_mesure_T(void)
+{
+    unsigned int i;
+    Temperature=0;
+
+        DATA_HT.input();
+    for (i=0;i<8;i++)
+    {
+        SCK_HT=1;
+//        wait_us(1);
+        Temperature *=2;
+        if (DATA_HT==1) Temperature++;
+        SCK_HT=0;
+//        wait_us(1);
+    }
+    DATA_HT.output();
+    DATA_HT=0;
+    SCK_HT=1;
+//    wait_us(1);
+    SCK_HT=0;
+//    wait_us(1);
+    DATA_HT.input();
+    for (i=0;i<8;i++)
+    {
+        SCK_HT=1;
+//        wait_us(1);
+        Temperature *=2;
+        if (DATA_HT==1) Temperature++;
+        SCK_HT=0;
+//        wait_us(1);
+    }
+    DATA_HT.output();
+    DATA_HT=1;
+    SCK_HT=1;
+//    wait_us(1);
+    SCK_HT=0;
+//    wait_us(1);
+}
+
+void SHT11::reception_mesure_H(void)
+{
+    unsigned int i;
+    Humidite=0;
+
+        DATA_HT.input();
+    for (i=0;i<8;i++)
+    {
+        SCK_HT=1;
+//        wait_us(1);
+        Humidite *=2;
+        if (DATA_HT==1) Humidite++;
+        SCK_HT=0;
+//        wait_us(1);
+    }
+    DATA_HT.output();
+    DATA_HT=0;
+    SCK_HT=1;
+//    wait_us(1);
+    SCK_HT=0;
+//    wait_us(1);
+    DATA_HT.input();
+    for (i=0;i<8;i++)
+    {
+        SCK_HT=1;
+//        wait_us(1);
+        Humidite *=2;
+        if (DATA_HT==1) Humidite++;
+        SCK_HT=0;
+//        wait_us(1);
+    }
+    DATA_HT.output();
+    DATA_HT=1;
+    SCK_HT=1;
+//    wait_us(1);
+    SCK_HT=0;
+//    wait_us(1);
+}
+
+void SHT11::gestion_HT(void)
+{   
+    switch (etat_sht11)
+    {
+        case 0:
+        Timer_cycle_mesure.detach();
+        mesure_T();
+        etat_sht11=1;
+        Timer_cycle_mesure.attach_us(this, &SHT11::gestion_HT, 10000);
+        break;
+        
+        case 1:
+        DATA_HT.input();
+        if (DATA_HT==0)
+        {
+            Timer_cycle_mesure.detach();
+            etat_sht11=2;
+            Timer_cycle_mesure.attach_us(this, &SHT11::gestion_HT, 1);
+        }
+        break;
+        
+        case 2:
+        Timer_cycle_mesure.detach();
+        reception_mesure_T();
+        etat_sht11=3;
+        Timer_cycle_mesure.attach_us(this, &SHT11::gestion_HT, 1);
+        break;
+        
+        case 3:
+        Timer_cycle_mesure.detach();
+        mesure_H();
+        etat_sht11=4;
+        Timer_cycle_mesure.attach_us(this, &SHT11::gestion_HT, 10000);
+        break;
+        
+        case 4:
+        DATA_HT.input();
+        if (DATA_HT==0)
+        {
+            Timer_cycle_mesure.detach();
+            etat_sht11=5;
+            Timer_cycle_mesure.attach_us(this, &SHT11::gestion_HT, 1);
+        }
+        break;
+
+        case 5:
+        Timer_cycle_mesure.detach();
+        reception_mesure_H();
+        calcul_Temperature_Humidite();
+        etat_sht11=0;
+        Timer_cycle_mesure.attach(this, &SHT11::gestion_HT, Temps_cycle_mesure);
+        break;
+
+        default:
+        etat_sht11=0;
+        break;
+    }
+}
+
+float SHT11::lire_T(void)
+{
+    return Temperature_mesuree;
+}
+
+float SHT11::lire_H(void)
+{
+    return Humidite_mesuree;
+}
+
+void SHT11::lire_T_H(float *pointeur_Temperature, float *pointeur_Humidite)
+{
+    *pointeur_Temperature = Temperature_mesuree;
+    *pointeur_Humidite = Humidite_mesuree;
+}
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib_SHT/lib_SHT11.h	Thu Oct 23 12:11:14 2014 +0000
@@ -0,0 +1,45 @@
+#ifndef DEF_lib_SHT11_H
+#define DEF_lib_SHT11_H
+
+#include "mbed.h"
+
+
+class SHT11 : public Ticker
+{
+public:
+    SHT11(PinName pin_DATA, PinName pin_SCK, float T_C_mesure);
+
+    float lire_T(void);
+    float lire_H(void);
+    void lire_T_H(float *, float *);
+    void changer_timer_cycle(float new_Temps_cycle_mesure);
+    void init(void);
+    void desactiver(void);
+    
+private:
+    
+    void start(void);
+    void gestion_HT(void);
+    void demande_mesure(short octet_de_commande);
+    void mesure_T(void);
+    void mesure_H(void);
+    void mesure_T_H(void);
+    void reception_mesure_T(void);
+    void reception_mesure_H(void);
+    void calcul_Temperature_Humidite(void);
+
+    DigitalInOut DATA_HT;
+    DigitalOut SCK_HT;
+    Ticker Timer_cycle_mesure;
+
+    unsigned int Temperature;
+    unsigned int Humidite;
+    unsigned etat_sht11;
+    unsigned etat_cycle;
+    float Temperature_mesuree;
+    float Humidite_mesuree;
+    float Temps_cycle_mesure;
+};
+
+#endif
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Oct 23 12:11:14 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/552587b429a1
\ No newline at end of file