Revision 0:fb0aa840a7cd, committed 2013-05-01

Comitter:

HarishMekali

Date:

Wed May 01 05:36:38 2013 +0000

Commit message:

wsm

Changed in this revision

diff -r 000000000000 -r fb0aa840a7cd TextLCD.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.cpp	Wed May 01 05:36:38 2013 +0000
@@ -0,0 +1,159 @@
+/* mbed TextLCD Library, for a 4-bit LCD based on HD44780
+ * Copyright (c) 2007-2010, sford
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "TextLCD.h"
+#include "mbed.h"
+
+TextLCD::TextLCD(PinName rs, PinName e, PinName d0, PinName d1,
+                 PinName d2, PinName d3, LCDType type) : _rs(rs),
+        _e(e), _d(d0, d1, d2, d3),
+        _type(type) {
+
+    _e  = 1;
+    _rs = 0;            // command mode
+
+    wait(0.015);        // Wait 15ms to ensure powered up
+
+    // send "Display Settings" 3 times (Only top nibble of 0x30 as we've got 4-bit bus)
+    for (int i=0; i<3; i++) {
+        writeByte(0x3);
+        wait(0.00164);  // this command takes 1.64ms, so wait for it
+    }
+    writeByte(0x2);     // 4-bit mode
+    wait(0.000040f);    // most instructions take 40us
+
+    writeCommand(0x28); // Function set 001 BW N F - -
+    writeCommand(0x0C);
+    writeCommand(0x6);  // Cursor Direction and Display Shift : 0000 01 CD S (CD 0-left, 1-right S(hift) 0-no, 1-yes
+    cls();
+}
+
+void TextLCD::character(int column, int row, int c) {
+    int a = address(column, row);
+    writeCommand(a);
+    writeData(c);
+}
+
+void TextLCD::cls() {
+    writeCommand(0x01); // cls, and set cursor to 0
+    wait(0.00164f);     // This command takes 1.64 ms
+    locate(0, 0);
+}
+
+void TextLCD::locate(int column, int row) {
+    _column = column;
+    _row = row;
+}
+
+int TextLCD::_putc(int value) {
+    if (value == '\n') {
+        _column = 0;
+        _row++;
+        if (_row >= rows()) {
+            _row = 0;
+        }
+    } else {
+        character(_column, _row, value);
+        _column++;
+        if (_column >= columns()) {
+            _column = 0;
+            _row++;
+            if (_row >= rows()) {
+                _row = 0;
+            }
+        }
+    }
+    return value;
+}
+
+int TextLCD::_getc() {
+    return -1;
+}
+
+void TextLCD::writeByte(int value) {
+    _d = value >> 4;
+    wait(0.000040f); // most instructions take 40us
+    _e = 0;
+    wait(0.000040f);
+    _e = 1;
+    _d = value >> 0;
+    wait(0.000040f);
+    _e = 0;
+    wait(0.000040f);  // most instructions take 40us
+    _e = 1;
+}
+
+void TextLCD::writeCommand(int command) {
+    _rs = 0;
+    writeByte(command);
+}
+
+void TextLCD::writeData(int data) {
+    _rs = 1;
+    writeByte(data);
+}
+
+int TextLCD::address(int column, int row) {
+    switch (_type) {
+        case LCD20x4:
+            switch (row) {
+                case 0:
+                    return 0x80 + column;
+                case 1:
+                    return 0xc0 + column;
+                case 2:
+                    return 0x94 + column;
+                case 3:
+                    return 0xd4 + column;
+            }
+        case LCD16x2B:
+            return 0x80 + (row * 40) + column;
+        case LCD16x2:
+        case LCD20x2:
+        default:
+            return 0x80 + (row * 0x40) + column;
+    }
+}
+
+int TextLCD::columns() {
+    switch (_type) {
+        case LCD20x4:
+        case LCD20x2:
+            return 20;
+        case LCD16x2:
+        case LCD16x2B:
+        default:
+            return 16;
+    }
+}
+
+int TextLCD::rows() {
+    switch (_type) {
+        case LCD20x4:
+            return 4;
+        case LCD16x2:
+        case LCD16x2B:
+        case LCD20x2:
+        default:
+            return 2;
+    }
+}

diff -r 000000000000 -r fb0aa840a7cd TextLCD.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.h	Wed May 01 05:36:38 2013 +0000
@@ -0,0 +1,111 @@
+/* mbed TextLCD Library, for a 4-bit LCD based on HD44780
+ * Copyright (c) 2007-2010, sford
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MBED_TEXTLCD_H
+#define MBED_TEXTLCD_H
+
+#include "mbed.h"
+
+/** A TextLCD interface for driving 4-bit HD44780-based LCDs
+ *
+ * Currently supports 16x2, 20x2 and 20x4 panels
+ *
+ * @code
+ * #include "mbed.h"
+ * #include "TextLCD.h"
+ * 
+ * TextLCD lcd(p10, p12, p15, p16, p29, p30); // rs, e, d0-d3
+ * 
+ * int main() {
+ *     lcd.printf("Hello World!\n");
+ * }
+ * @endcode
+ */
+class TextLCD : public Stream {
+public:
+
+    /** LCD panel format */
+    enum LCDType {
+        LCD16x2     /**< 16x2 LCD panel (default) */
+        , LCD16x2B  /**< 16x2 LCD panel alternate addressing */
+        , LCD20x2   /**< 20x2 LCD panel */
+        , LCD20x4   /**< 20x4 LCD panel */
+    };
+
+    /** Create a TextLCD interface
+     *
+     * @param rs    Instruction/data control line
+     * @param e     Enable line (clock)
+     * @param d0-d3 Data lines
+     * @param type  Sets the panel size/addressing mode (default = LCD16x2)
+     */
+    TextLCD(PinName rs, PinName e, PinName d0, PinName d1, PinName d2, PinName d3, LCDType type = LCD16x2);
+
+#if DOXYGEN_ONLY
+    /** Write a character to the LCD
+     *
+     * @param c The character to write to the display
+     */
+    int putc(int c);
+
+    /** Write a formated string to the LCD
+     *
+     * @param format A printf-style format string, followed by the
+     *               variables to use in formating the string.
+     */
+    int printf(const char* format, ...);
+#endif
+
+    /** Locate to a screen column and row
+     *
+     * @param column  The horizontal position from the left, indexed from 0
+     * @param row     The vertical position from the top, indexed from 0
+     */
+    void locate(int column, int row);
+
+    /** Clear the screen and locate to 0,0 */
+    void cls();
+
+    int rows();
+    int columns();
+
+protected:
+
+    // Stream implementation functions
+    virtual int _putc(int value);
+    virtual int _getc();
+
+    int address(int column, int row);
+    void character(int column, int row, int c);
+    void writeByte(int value);
+    void writeCommand(int command);
+    void writeData(int data);
+
+    DigitalOut _rs, _e;
+    BusOut _d;
+    LCDType _type;
+
+    int _column;
+    int _row;
+};
+
+#endif

diff -r 000000000000 -r fb0aa840a7cd main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed May 01 05:36:38 2013 +0000
@@ -0,0 +1,215 @@
+
+#include "mbed.h"
+#include "TextLCD.h"
+TextLCD lcd(p25,p26, p21, p22, p23, p24); // rs, e, d4, d5, d6, d7
+Serial pc(USBTX,USBRX);
+ DigitalOut sensor1(p21);
+ DigitalOut sensor2(p22);
+ DigitalOut sensor3(p23);
+AnalogIn    s_1(p15);
+AnalogIn    s_2(p16);
+AnalogIn    s_3(p17);
+AnalogIn    s_4(p18);
+AnalogIn    s_5(p19);
+AnalogIn    b(p20);
+LocalFileSystem local("local");
+char time1[16];//as our lcd is of 16 character it is so
+char date[16];
+float a[6];
+int time_clock;
+int j,k;
+float  avg_sensorvalue1=0,avg_sensorvalue2=0;
+Timer timer;
+char c1[20]="sensor1";
+char c2[20]="sensor2";
+char c3[20]="sensor3";
+char c4[20]="sensor4";
+char c5[20]="sensor5";
+char bat[20]="battery";
+char d[30]="Date";
+char t[30]="Time";
+char c6[20]="time";
+int main()
+{
+    int i;
+    set_time(1367038111);
+    time_t seconds = time(NULL)+19800; // time(null) gives the GMT time which mustbe added with IST ie..GMTtime + 5 hr:30 min +19800
+    strftime(time1,16,"%H/%M/%S",localtime(&seconds)); //this converts the value in seconds obtained above to human readable format and assigns it to the time_stamp which stores it
+    strftime(date,16,"%d/%m/%y",localtime(&seconds));
+   
+//fprintf(fp,"%s,%s,%s,%s,%s,%s,%s,%s\r",t,d,c1,c2,c3,c4,c5,battery);
+ FILE *fp=fopen("/local/sensor1.csv","a");
+
+ fprintf(fp,"%s,%s,%s,%s,%s,%s,%s,%s\r",t,d,c1,c2,c3,c4,c5,bat);
+  while(1) 
+       { 
+        time_t seconds = time(NULL)+19800;
+        strftime(time1,16,"%H/%M/%S",localtime(&seconds)); //this converts the value in seconds obtained above to human readable format and assigns it to the time_stamp which stores it
+        strftime(date,16,"%d/%m/%y",localtime(&seconds));
+       /* for(i=0;i<=20;i++)
+        {
+        pulse=1;
+         a[0]=a[0]+s_1.read();
+         a[1]=a[1]+s_2.read();
+         wait(0.005);
+         pulse=0;
+         wait(0.005);
+         }
+         a[0]=a[0]/21;
+         a[1]=a[1]/21;*/
+        /*wait(1);
+        a[1]=s_2.read();
+        wait(1);
+        a[2]=s_3.read();
+        wait(1);
+        a[3]=s_4.read();
+        wait(1);
+        a[4]=s_5.read();
+        wait(1);
+        a[5]=b.read();
+        wait(1);
+      lcd.cls();//clear the lcd screen
+        lcd.locate(0,0);
+        lcd.printf("%.3f",a[0]);
+        wait(2);
+        lcd.cls();//clear the lcd screen
+        lcd.locate(0,0);
+        lcd.printf("%s,%s",time1,date);
+        wait(3);*/
+        sensor1=1;
+         sensor2=1;
+         wait(2);
+        a[0]=s_1.read();
+        a[1]=s_2.read();
+        wait(2);
+        sensor1=0;
+        sensor2=0;       
+        pc.printf("a[0]=%f,a[1]=%f",a[0],a[1]); 
+        fprintf(fp,"%s,%s,%0.6f,%.6f,%.6f,%.6f,%.6f,%.6f\r",time1,date,a[0],a[1],a[2],a[3],a[4],a[5]);
+        wait(2);
+        fclose(fp);
+        FILE *fp=fopen("/local/sensor1.csv","a");
+    }
+    
+
+}
+/* #include "mbed.h"
+#include "TextLCD.h"
+#include "string.h"
+#include "SDFileSystem.h"
+#include "PowerControl.h"
+#include "EthernetPowerControl.h"
+
+void sendsms(float m);
+char  a=0x1A,e=0x22;
+
+char num[] = "9731892759";
+#define USR_POWERDOWN    (0x104)
+Serial uart(p9,p10);
+Serial GSM(p13, p14);  // tx, rx
+Serial pc(USBTX,USBRX);
+
+
+Ticker sense; // Ticker to Interrupt the sleeping mode
+
+TextLCD lcd(p24,p25,p26, p27, p28, p29, p30); // rs, rw, e, d4, d5, d6, d7
+AnalogIn Msensor_out(p20);
+AnalogIn Tsensor_out(p19);
+AnalogIn Lsensor_out(p18);
+DigitalOut sensors_vcc(p17);
+DigitalOut lcd2(p8);
+ int k;
+char r[5]="";
+
+  unsigned char i = 0;
+    unsigned char j = 0;
+char time_stamp[16];//as our lcd is of 16 character it is so
+
+float m,t,l;
+
+
+int semihost_powerdown()
+{
+    uint32_t arg;
+    return __semihost(USR_POWERDOWN, &arg);
+}
+
+////////////////////////////////////////////////////////////////////
+// fun() - it reads the sensor, writes to LCD and SD card and also senda the data on GSM
+////////////////////////////////////////////////////////////////////
+
+void fun()
+{
+       sensors_vcc=1;
+       m=Msensor_out.read(); //read the analog input from the pin15 and assign it to m
+       t=Tsensor_out.read();
+       l=Lsensor_out.read();
+       wait(2);
+        sensors_vcc=0;
+        lcd.cls();//clear the lcd screen
+        lcd.locate(0,0);
+        lcd.printf("Welcome to WMS");
+        wait(3);
+
+        FILE *fp = fopen("/sd/mydir/sdtest.csv", "a");
+        if (fp == NULL)
+        {
+            error("Could not open file for write\n");
+        }
+        fprintf(fp, "%d : %s \n",time_stamp,m);   //Record Sensor data along with time stamp
+        fclose(fp);
+       wait(2);
+
+
+
+
+        lcd.cls();//clear the lcd screen
+        lcd.locate(0,0);
+        lcd.printf("sending sms to");
+        wait(3);
+        lcd.locate(0,1);
+        lcd.printf("%s",num);
+        wait(3);
+        lcd.locate(0,0);//start displaying from zeroth column,zeroth row
+        lcd.printf("%s",time_stamp);//diplays the human readable time which was stored in time_stamp.
+        lcd.locate(0,1);//start displaying from zeroth column,first row
+        lcd.printf("M%0.3f,%0.3f,L%0.3f",m,t,l);//display the value of analog input obtained in variable m
+        wait(3);
+        GSM.printf("AT+CMGS=%c%s%c\r\n",e,num,e);
+        wait(3);
+        GSM.printf("%s,Moisture%f",time_stamp,m);
+        GSM.printf("%c",a);
+        return ;
+}
+
+
+
+int main()
+   {
+    lcd2=0;
+    int result;
+   GSM.baud(9600);
+    pc.baud(9600);
+    set_time( 1358319500);
+   time_t seconds = time(NULL)+ 19800; // time(null) gives the GMT time which mustbe added with IST ie..GMTtime + 5 hr:30 min
+   strftime(time_stamp, 16, "%d/%m/%y/%H/%M/%S", localtime(&seconds)); //this converts the value in seconds obtained above to human readable format and assigns it to the time_stamp which stores it
+
+
+   PHY_PowerDown();                    // PHY Powerdown
+   result = semihost_powerdown();       //Semihost Powerdown
+   sense.attach(&fun,30);              // Excecute sd_write_read function every 5s
+    //t.start();                          //Start of timer to record Time Stamp
+    while (1)
+    {
+        Sleep();                        // Sleep mode to save power
+    }
+
+
+   }
+
+
+ */
+
+
+
+

diff -r 000000000000 -r fb0aa840a7cd mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed May 01 05:36:38 2013 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/5e5da4a5990b
\ No newline at end of file