Revision 1:61d800d62542, committed 2019-08-13

Comitter:

bastienvincke

Date:

Tue Aug 13 08:09:44 2019 +0000

Parent:

0:97c2d4128ff3

Commit message:

V1 BV

Changed in this revision

--- a/MMA7455.cpp	Thu Jul 20 09:05:08 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,295 +0,0 @@
-/******************************************************************************
- * Includes
- *****************************************************************************/
-
-#include "mbed.h"
-#include "mbed_debug.h"
-
-#include "MMA7455.h"
-
-/******************************************************************************
- * Defines and typedefs
- *****************************************************************************/
-
-#define MMA7455_I2C_ADDR (0x1D << 1)
-
-#define MMA7455_ADDR_XOUTL  0x00
-#define MMA7455_ADDR_XOUTH  0x01
-#define MMA7455_ADDR_YOUTL  0x02
-#define MMA7455_ADDR_YOUTH  0x03
-#define MMA7455_ADDR_ZOUTL  0x04
-#define MMA7455_ADDR_ZOUTH  0x05
-#define MMA7455_ADDR_XOUT8  0x06
-#define MMA7455_ADDR_YOUT8  0x07
-#define MMA7455_ADDR_ZOUT8  0x08
-#define MMA7455_ADDR_STATUS 0x09
-#define MMA7455_ADDR_DETSRC 0x0A
-#define MMA7455_ADDR_TOUT   0x0B
-#define MMA7455_ADDR_I2CAD  0x0D
-#define MMA7455_ADDR_USRINF 0x0E
-#define MMA7455_ADDR_WHOAMI 0x0F
-#define MMA7455_ADDR_XOFFL  0x10
-#define MMA7455_ADDR_XOFFH  0x11
-#define MMA7455_ADDR_YOFFL  0x12
-#define MMA7455_ADDR_YOFFH  0x13
-#define MMA7455_ADDR_ZOFFL  0x14
-#define MMA7455_ADDR_ZOFFH  0x15
-#define MMA7455_ADDR_MCTL   0x16
-#define MMA7455_ADDR_INTRST 0x17
-#define MMA7455_ADDR_CTL1   0x18
-#define MMA7455_ADDR_CTL2   0x19
-#define MMA7455_ADDR_LDTH   0x1A
-#define MMA7455_ADDR_PDTH   0x1B
-#define MMA7455_ADDR_PW     0x1C
-#define MMA7455_ADDR_LT     0x1D
-#define MMA7455_ADDR_TW     0x1E
-
-#define MMA7455_MCTL_MODE(m) ((m) << 0)
-#define MMA7455_MCTL_GLVL(g) ((g) << 2)
-
-#define MMA7455_STATUS_DRDY (1 << 0)
-#define MMA7455_STATUS_DOVR (1 << 1)
-#define MMA7455_STATUS_PERR (1 << 2)
-
-
-MMA7455::MMA7455(PinName sda, PinName scl) : _i2c(sda, scl)
-{
-    _mode = ModeStandby;
-    _range = Range_8g;
-
-    _xOff = 0;
-    _yOff = 0;
-    _zOff = 0;
-}
-
-bool MMA7455::setMode(Mode mode) {
-    bool result = false;
-    int mCtrl = 0;
-
-    do {
-        mCtrl = getModeControl();
-        if (mCtrl < 0) break;
-
-        mCtrl &= ~(0x03 << 0);
-        mCtrl |= MMA7455_MCTL_MODE(mode);
-
-        if (setModeControl((uint8_t)mCtrl) < 0) {
-            break;
-        }
-
-        _mode = mode;
-        result = true;
-    } while(0);
-
-
-
-    return result;
-}
-
-bool MMA7455::setRange(Range range) {
-    bool result = false;
-    int mCtrl = 0;
-
-    do {
-        mCtrl = getModeControl();
-        if (mCtrl < 0) break;
-
-        mCtrl &= ~(0x03 << 2);
-        mCtrl |= MMA7455_MCTL_GLVL(range);
-
-        if (setModeControl((uint8_t)mCtrl) < 0) {
-            break;
-        }
-
-        _range = range;
-        result = true;
-    } while(0);
-
-
-
-    return result;
-
-}
-
-bool MMA7455::read(int32_t& x, int32_t& y, int32_t& z) {
-    bool result = false;
-
-
-    // nothing to read in standby mode
-    if (_mode == ModeStandby) return false;
-
-    // wait for ready flag
-    int status = 0;
-    do {
-      status = getStatus();
-    } while (status >= 0 && (status & MMA7455_STATUS_DRDY) == 0);
-
-
-    do {
-        if (status < 0) break;
-
-
-        char buf[6];
-        buf[0] = MMA7455_ADDR_XOUTL;
-        if (_i2c.write(MMA7455_I2C_ADDR, buf, 1) != 0) break;
-        if (_i2c.read(MMA7455_I2C_ADDR, buf, 6) != 0) break;
-
-        // check if second bit is set in high byte -> negative value
-        // expand negative value to full byte
-        if (buf[1] & 0x02) buf[1] |= 0xFC;
-        if (buf[3] & 0x02) buf[3] |= 0xFC;
-        if (buf[5] & 0x02) buf[5] |= 0xFC;
-
-        x = (int16_t)((buf[1] << 8) | buf[0]) + _xOff;
-        y = (int16_t)((buf[3] << 8) | buf[2]) + _yOff;
-        z = (int16_t)((buf[5] << 8) | buf[4]) + _zOff;
-
-
-        result = true;
-
-    } while(0);
-
-
-    return result;
-}
-
-bool MMA7455::calibrate() {
-    bool result = false;
-    bool failed = false;
-
-    int32_t x = 0;
-    int32_t y = 0;
-    int32_t z = 0;
-
-    int32_t xr = 0;
-    int32_t yr = 0;
-    int32_t zr = 0;
-
-    int xOff = 0;
-    int yOff = 0;
-    int zOff = 16;
-    if (_range == Range_2g) {
-        zOff = 64;
-    }
-    if (_range == Range_4g) {
-        zOff = 32;
-    }
-
-    do {
-
-        // get an average of 6 values
-        for (int i = 0; i < 6; i++) {
-            if (!read(xr, yr, zr)) {
-                failed = true;
-                break;
-            }
-            x += xr;
-            y += yr;
-            z += zr;
-
-            wait_ms(100);
-        }
-
-        if (failed) break;
-        x /= 6;
-        y /= 6;
-        z /= 6;
-
-        xOff -= x;
-        yOff -= y;
-        zOff -= z;
-
-        /*
-         * For some reason we have not got correct/reliable calibration
-         * by using the offset drift registers. Instead we are
-         * calculating the offsets and store them in member variables.
-         *
-         * These member variables are then used in the read() method
-         */
-
-        _xOff = xOff;
-        _yOff = yOff;
-        _zOff = zOff;
-
-
-        result = true;
-
-    } while (0);
-
-
-
-    return result;
-}
-
-bool MMA7455::setCalibrationOffsets(int32_t xOff, int32_t yOff, int32_t zOff) {
-    _xOff = xOff;
-    _yOff = yOff;
-    _zOff = zOff;
-
-    return true;
-}
-
-bool MMA7455::getCalibrationOffsets(int32_t& xOff, int32_t& yOff, int32_t& zOff) {
-    xOff = _xOff;
-    yOff = _yOff;
-    zOff = _zOff;
-
-    return true;
-}
-
-int MMA7455::getStatus() {
-    int result = -1;
-    char data[1];
-
-    do {
-        data[0] = MMA7455_ADDR_STATUS;
-        if (_i2c.write(MMA7455_I2C_ADDR, data, 1) != 0) break;
-
-        if (_i2c.read(MMA7455_I2C_ADDR, data, 1) != 0) break;
-
-        result = data[0];
-
-    } while (0);
-
-
-
-    return result;
-}
-
-int MMA7455::getModeControl() {
-
-    int result = -1;
-    char data[1];
-
-    do {
-        data[0] = MMA7455_ADDR_MCTL;
-        if (_i2c.write(MMA7455_I2C_ADDR, data, 1) != 0) break;
-
-        if (_i2c.read(MMA7455_I2C_ADDR, data, 1) != 0) break;
-
-        result = data[0];
-
-    } while (0);
-
-
-
-    return result;
-}
-
-int MMA7455::setModeControl(uint8_t mctl) {
-    int result = -1;
-    char data[2];
-
-    do {
-        data[0] = MMA7455_ADDR_MCTL;
-        data[1] = (char)mctl;
-        if (_i2c.write(MMA7455_I2C_ADDR, data, 2) != 0) break;
-
-        result = 0;
-
-    } while (0);
-
-
-
-    return result;
-}

--- a/MMA7455.h	Thu Jul 20 09:05:08 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,93 +0,0 @@
-#ifndef MMA7455_H
-#define MMA7455_H
-
-
-/**
- * Freescale Accelerometer MMA7455.
- */
-class MMA7455 {
-public:
-
-    enum Mode {
-        ModeStandby = 0,
-        ModeMeasurement = 1,
-    };
-
-    /** Acceleration range */
-    enum Range {
-        Range_8g = 0,
-        Range_2g = 1,
-        Range_4g = 2
-    };
-
-    /**
-     * Create an interface to the MMA7455 accelerometer
-     *
-     * @param sda I2C data line pin
-     * @param scl I2C clock line pin
-     */
-    MMA7455(PinName sda, PinName scl);
-
-    bool setMode(Mode mode);
-    bool setRange(Range range);
-
-    bool read(int32_t& x, int32_t& y, int32_t& z);
-
-    /**
-     * Calibrate for 0g, that is, calculate offset to achieve
-     * 0g values when accelerometer is placed on flat surface.
-     *
-     * Please make sure the accelerometer is placed on a flat surface before
-     * calling this function.
-     *
-     * @return true if request was successful; otherwise false
-     */
-    bool calibrate();
-
-    /**
-     * Get calculated offset values. Offsets will be calculated by the
-     * calibrate() method.
-     *
-     * Use these values and put them in persistent storage to avoid
-     * having to calibrate the accelerometer after a reset/power cycle.
-     *
-     * @param xOff x offset is written to this argument
-     * @param yOff y offset is written to this argument
-     * @param zOff z offset is written to this argument
-     *
-     * @return true if request was successful; otherwise false
-     */
-    bool getCalibrationOffsets(int32_t& xOff, int32_t& yOff, int32_t& zOff);
-
-    /**
-     * Set calibration offset values. These values should normally
-     * at one point in time have been retrieved by calling the
-     * getCalibrationOffsets method.
-     *
-     *
-     * @param xOff x offset
-     * @param yOff y offset
-     * @param zOff z offset
-     *
-     * @return true if request was successful; otherwise false
-     */
-    bool setCalibrationOffsets(int32_t xOff, int32_t yOff, int32_t zOff);
-
-
-
-private:
-
-    I2C _i2c;
-    Mode _mode;
-    Range _range;
-    int32_t _xOff;
-    int32_t _yOff;
-    int32_t _zOff;
-
-    int getStatus();
-    int getModeControl();
-    int setModeControl(uint8_t mctl);
-
-};
-
-#endif

--- a/SDFileSystem.lib	Thu Jul 20 09:05:08 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-http://developer.mbed.org/users/mbed_official/code/SDFileSystem/#8db0d3b02cec

--- a/main.cpp	Thu Jul 20 09:05:08 2017 +0000
+++ b/main.cpp	Tue Aug 13 08:09:44 2019 +0000
@@ -1,33 +1,32 @@
 #include "mbed.h"
-#include "DHT.h"
+#include "DHT.h"                                                                // on inclue la librairie
 
-DHT sensor(D7,DHT22);
-
-void task_DHT();
+DigitalOut myled(LED1);                                                         // on utilisera la led embarqué sur la carte
+DHT dht11(PB_10,DHT11);                                                         // on déclare le capteur (connecté sur le port DIO_D6 de la carte L073RZ)
 
 int main()
-{   
-    
+{
+    int err;
+    float temperature;
+    float humidite;
+    float point_rose;
+
     while(1) {
-         task_DHT();
+        // Utilisation du capteur DHT11
+        err = dht11.readData();                                                 // récupération des données
+        if (err == 0) {
+            temperature = dht11.ReadTemperature(CELCIUS);
+            humidite = dht11.ReadHumidity();
+            point_rose = dht11.CalcdewPoint(dht11.ReadTemperature(CELCIUS), dht11.ReadHumidity());
+            printf("Temperature : %4.2f C \n",temperature);                    // envoie sur le port série des données (par défaut 9600bauds)
+            printf("Humidite : %4.2f % \n",humidite);
+            printf("Point rose : %4.2f C \n",point_rose);
+        } else
+            printf("\r\nErreur %i \n",err);
+
+        // Clignotement de la led
+        myled != myled;
+        
+        wait(2);
     }
 }
-void task_DHT(){
-    int error = 0;
-    int h, c,f;
-    float dp = 0.0f;
- 
-        wait(2.0f);
-        error = sensor.readData();
-        if (0 == error) {
-            c   = sensor.ReadTemperature(CELCIUS);
-            f   = sensor.ReadTemperature(FARENHEIT);
-            h   = sensor.ReadHumidity();
-            dp  = sensor.CalcdewPoint(c, h);
-    
-            printf("Temperature in Celcius: %d, Farenheit %d\r\n", c, f);
-            printf("Humidity is %d, Dewpoint: %4.2f\r\n\n", h, dp);
-        } else {
-            printf("Error: %d\r\n", error);
-        }
-}