Harish Mekali
GSM
Revision 0:2a5254679d16, committed 2013-05-07
- Comitter:
- HarishMekali
- Date:
- Tue May 07 13:45:44 2013 +0000
- Commit message:
- GSM
Changed in this revision
diff -r 000000000000 -r 2a5254679d16 TextLCD.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.cpp Tue May 07 13:45:44 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 2a5254679d16 TextLCD.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.h Tue May 07 13:45:44 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 2a5254679d16 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue May 07 13:45:44 2013 +0000
@@ -0,0 +1,51 @@
+#include "mbed.h"
+char a=0x1A,e=0x22,c=0x0d;
+char num[] = "9742920934";
+
+Serial GSM(p9, p10); // tx, rx
+Serial pc(USBTX,USBRX);
+
+////////////////////////////////////////////////////////////////////
+// fun() - it reads the sensor, writes to LCD and SD card and also senda the data on GSM
+////////////////////////////////////////////////////////////////////
+
+/*void fun()
+{
+
+ //GSM.printf("AT+CMGS=%c%s%c\r\n",e,num,e);
+ // GSM.printf("ATD9538765141;\n");
+ // pc.printf("ATD9538765141;\n");
+ //wait(3);
+ //GSM.printf("Moisture");
+ //GSM.printf("%c",a);
+ return ;
+}*/
+
+int main()
+ {
+
+ GSM.baud(9600);
+ pc.baud(9600);
+ GSM.printf("AT\r\n");
+ GSM.printf("AT+CMGF+1\r\n");
+ while(1)
+ {
+ wait(3);
+
+ //GSM.printf("ATD9742920934;%c\n",c);
+ GSM.printf("AT+CMGS=%c%s%c\r\n",e,num,e);
+ // pc.printf("AT+CMGS=%c%s%c%c\n",e,num,e,c);
+ //pc.printf("ATD9538765141;%c\n",c);
+ GSM.printf("Moisture\n\r");
+ // pc.printf("Moisture\n");
+ GSM.printf("%c",a);
+ // pc.printf("%c",a);
+
+ wait(1);
+ }
+
+
+ }
+
+
+
diff -r 000000000000 -r 2a5254679d16 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue May 07 13:45:44 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/7e6c9f46b3bd \ No newline at end of file