Hashem Al-Jarrah Seto
hashem
Dependencies: mbed TextLCD keypad
Revision 0:593c5e55dd05, committed 2020-11-28
- Comitter:
- hashemjs
- Date:
- Sat Nov 28 17:04:22 2020 +0000
- Commit message:
- keypad_LCD
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Sat Nov 28 17:04:22 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/dreschpe/code/TextLCD/#a7c74d4c6911
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/keypad.lib Sat Nov 28 17:04:22 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/yoonghm/code/keypad/#da060f8c03e8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Nov 28 17:04:22 2020 +0000
@@ -0,0 +1,81 @@
+#include "mbed.h"
+#include "Keypad.h"
+#include "TextLCD.h"
+#include <string>
+
+#define PW_SIZE 5
+#define PASSWORD "1234A"
+
+Serial pc(USBTX, USBRX);
+
+//initialize LCD display
+TextLCD lcd(p5, p7, p6, p11, p12, p13, p14, TextLCD::LCD16x2); // rs, rw, e, d0-d3
+
+// Define keypad values
+char Keytable[] = { '1', '2', '3', 'A', // r0
+ '4', '5', '6', 'B', // r1
+ '7', '8', '9', 'C', // r2
+ '*', '0', '#', 'D' // r3
+ };
+ // c0 c1 c2 c3
+
+//Initialize variables
+uint32_t Index;
+std::string pword;
+const char * parray;
+int psize=0;
+
+uint32_t cbAfterInput(uint32_t index) {
+ Index = index;
+
+ //print entered value on LCD and save password in string
+ if(Keytable[Index] != '#' && Keytable[Index] != '*'){
+ if(psize < PW_SIZE){
+ pword.push_back(Keytable[Index]);
+ lcd.putc(Keytable[Index]);
+ parray = pword.c_str();
+ psize++;
+ }
+ }
+
+ if(Keytable[Index] == '*'){
+ pword = "";
+ lcd.cls();
+ wait(0.001);
+ lcd.printf("Pass:");
+ lcd.locate(0,1);
+ psize=0;
+ }
+ if(Keytable[Index] == '#'){
+ lcd.cls();
+ wait(0.001);
+ if(pword == PASSWORD)
+ lcd.printf("Correct");
+ //lcd.printf("pword");
+ //lcd.locate(0,1);
+ //lcd.printf(parray);
+ else
+ lcd.printf("Incorrect");
+ }
+ return 0;
+}
+
+
+int main() {
+
+ lcd.cls();
+ wait(0.001);
+ lcd.printf("Pass:");
+ lcd.locate(0,1);
+
+ // r0 r1 r2 r3 c0 c1 c2 c3
+ Keypad keypad(p28, p27, p26, p25, p21, p22, p23, p24);
+ keypad.attach(&cbAfterInput);
+ keypad.start(); // energize the keypad via c0-c3
+
+ while (1) {
+ __wfi();
+ pc.printf("Interrupted\r\n");
+ pc.printf("Index:%d => Key:%c\r\n", Index, Keytable[Index]);
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Nov 28 17:04:22 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file