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SMART CLEO Smart Doorlock
Revision 0:b5bd2de438b7, committed 2017-12-06
- Comitter:
- SMART_CLEO
- Date:
- Wed Dec 06 08:53:21 2017 +0000
- Commit message:
- SMART_CLEO
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD/TextLCD.cpp Wed Dec 06 08:53:21 2017 +0000
@@ -0,0 +1,163 @@
+/* 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 rw, PinName e, PinName d0, PinName d1,
+ PinName d2, PinName d3, LCDType type) : _rs(rs), _rw(rw),
+ _e(e), _d(d0, d1, d2, d3),
+ _type(type) {
+
+ _rw = 0;
+ _e = 1;
+ _rs = 0; // command mode
+ _d.output();
+
+ 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) {
+ _rw = 0;
+
+ _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;
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD/TextLCD.h Wed Dec 06 08:53:21 2017 +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 rw, 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, _rw, _e;
+ BusInOut _d;
+ LCDType _type;
+
+ int _column;
+ int _row;
+};
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Dec 06 08:53:21 2017 +0000
@@ -0,0 +1,262 @@
+#include "mbed.h"
+#include "TextLCD.h"
+
+// C1, C2, C3, C4
+PinName pin_KEYPAD_C[4] = {PC_4, PC_5, PC_6, PC_7};
+// R1, R2, R3, R4
+PinName pin_KEYPAD_R[4] = {PC_8, PC_9, PC_10, PC_11};
+ // 1A, 1B, 2A, 2B
+PinName pin_STEP[4] = {PA_5, PA_6, PA_7, PA_8};
+
+PinName pin_BUZZER = PD_2;
+
+DigitalOut Buzzer(pin_BUZZER);
+
+DigitalInOut Keypad_C1(pin_KEYPAD_C[0]);
+DigitalInOut Keypad_C2(pin_KEYPAD_C[1]);
+DigitalInOut Keypad_C3(pin_KEYPAD_C[2]);
+DigitalInOut Keypad_C4(pin_KEYPAD_C[3]);
+BusOut Step(pin_STEP[0], pin_STEP[1], pin_STEP[2], pin_STEP[3]);
+
+// R1, R2, R3, R4
+BusIn Keypad_R(pin_KEYPAD_R[0], pin_KEYPAD_R[1], pin_KEYPAD_R[2], pin_KEYPAD_R[3]);
+// rs, rw, e, d0-d3
+TextLCD lcd(PB_12, PB_13, PB_14, PB_15, PA_9, PA_10, PA_11);
+
+enum{OPEN, CLOSE};
+
+uint8_t Phase_2[4] = {0x03, 0x06, 0x0C, 0x09};
+char Key_value[16] = {'1', '2', '3', 'A', '4', '5', '6', 'B', '7', '8', '9', 'C', '*', '0', '#', 'D'};
+char Password[4] = {'0', '0', '0', '0'};
+char NowPassword[4] = {'0', '0', '0', '0'};
+volatile uint8_t Password_setting = 0, Password_check = 0, Doorlock_flag = 1;
+
+volatile uint16_t Keypad = 0, Keypad_pre = 0, i;
+
+uint16_t Keypad_Read(void);
+void Doorlock(uint8_t mode);
+void buzzer_ctrl(uint8_t count);
+void key_save(char key);
+
+int main() {
+
+ char Key_Now_value;
+
+ lcd.printf("Smart Doorlock\n");
+ lcd.printf("Doorlock CLOSE");
+
+ while(1) {
+ Keypad = Keypad_Read();
+ if(Keypad != 0)
+ {
+ if(Keypad_pre != Keypad)
+ {
+ Keypad_pre = Keypad;
+ buzzer_ctrl(1);
+ for(i=0; i<16; i++)
+ {
+ if(Keypad & (0x0001 << i))
+ {
+ Key_Now_value = Key_value[i];
+ break;
+ }
+ }
+ if((Password_setting == 0) && (Password_check == 0))
+ {
+ if(Key_Now_value == '*')
+ {
+ if(Doorlock_flag == 0)
+ {
+ Doorlock_flag = 1;
+ Doorlock(CLOSE);
+ buzzer_ctrl(2);
+ lcd.locate(0, 1);
+ lcd.printf("Doorlock CLOSE");
+ }
+ else
+ {
+ Password_check++;
+ }
+ }
+ else if(Key_Now_value == '#')
+ {
+ Password_setting++;
+ }
+ }
+ else
+ {
+ if((Key_Now_value >= '0') && (Key_Now_value <= '9'))
+ {
+ key_save(Key_Now_value);
+ if(Password_setting)
+ {
+ Password_setting++;
+ }
+ else if(Password_check)
+ {
+ Password_check++;
+ }
+ }
+ else if(Password_setting)
+ {
+ if(Key_Now_value == '#')
+ {
+ if(Password_setting >= 5)
+ {
+ for(i=0; i<4; i++)
+ Password[i] = NowPassword[i];
+ buzzer_ctrl(3);
+ }
+ Password_setting = 0;
+ }
+ }
+ else if(Password_check)
+ {
+ if(Key_Now_value == '*')
+ {
+ if(Password_check >= 5)
+ {
+ Password_check = 0;
+ for(i=0; i<4; i++)
+ {
+ if(Password[i] != NowPassword[i])
+ {
+ Password_check++;
+ }
+ }
+ if(Password_check == 0)
+ {
+ Doorlock(OPEN);
+ lcd.locate(0, 1);
+ lcd.printf("Doorlock OPEN ");
+ buzzer_ctrl(3);
+ Doorlock_flag = 0;
+ }
+ else
+ {
+ lcd.locate(0, 1);
+ lcd.printf("Password Error");
+ buzzer_ctrl(2);
+ wait(2);
+ lcd.locate(0, 1);
+ lcd.printf("Doorlock CLOSE");
+ }
+ }
+ Password_check = 0;
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ Keypad_pre = 0;
+ }
+ }
+}
+
+//
+// bit | 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
+// -------------------------------------------------------
+// value | D # 0 * C 9 8 7 B 6 5 4 A 3 2 1
+//
+// 1 2 3 A
+// 4 5 6 B
+// 7 8 9 C
+// * 0 # D
+//
+uint16_t Keypad_Read(void)
+{
+ uint16_t keypad_tmp, Read_data = 0, i;
+ for(i=0; i<4; i++)
+ {
+ switch(i)
+ {
+ case 0:
+ Keypad_C1.output();
+ Keypad_C1 = 1;
+ break;
+ case 1:
+ Keypad_C2.output();
+ Keypad_C2 = 1;
+ break;
+ case 2:
+ Keypad_C3.output();
+ Keypad_C3 = 1;
+ break;
+ case 3:
+ Keypad_C4.output();
+ Keypad_C4 = 1;
+ break;
+ }
+
+ wait(0.001);
+ keypad_tmp = Keypad_R;
+ Read_data |= (keypad_tmp << (i*4));
+ switch(i)
+ {
+ case 0:
+ Keypad_C1 = 0;
+ Keypad_C1.input();
+ break;
+ case 1:
+ Keypad_C2 = 0;
+ Keypad_C2.input();
+ break;
+ case 2:
+ Keypad_C3 = 0;
+ Keypad_C3.input();
+ break;
+ case 3:
+ Keypad_C4 = 0;
+ Keypad_C4.input();
+ break;
+ }
+ }
+ return Read_data;
+}
+
+void Doorlock(uint8_t mode)
+{
+ int16_t i;
+
+ if(mode == OPEN)
+ {
+ for(i=0; i<200; i++)
+ {
+ Step = Phase_2[i%4];
+ wait(0.005);
+ }
+ }
+ else
+ {
+ for(i=200; i>=0; i--)
+ {
+ Step = Phase_2[i%4];
+ wait(0.005);
+ }
+ }
+}
+
+void buzzer_ctrl(uint8_t count)
+{
+ int i;
+ for(i=0; i<count; i++)
+ {
+ Buzzer = 1;
+ wait(0.1);
+ Buzzer = 0;
+ if(i != (count-1))
+ wait(0.1);
+ }
+}
+
+void key_save(char key)
+{
+ int i;
+ for(i=0; i<3; i++)
+ {
+ NowPassword[i] = NowPassword[i+1];
+ }
+ NowPassword[3] = key;
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Wed Dec 06 08:53:21 2017 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#ca661f9d28526ca8f874b05432493a489c9671ea