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SMART CLEO Smart Doorlock
Diff: main.cpp
- Revision:
- 0:b5bd2de438b7
--- /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;
+}
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