embedded system bmt 4033
/
class_keypad_lcd_password
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Dependencies: Keypadlatest TextLCD
Revision 0:819b4e0e0ae6, committed 2017-11-16
- Comitter:
- mijimy
- Date:
- Thu Nov 16 04:41:13 2017 +0000
- Commit message:
- password keypad lcd
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Thu Nov 16 04:41:13 2017 +0000 @@ -0,0 +1,4 @@ +.build +.mbed +projectfiles +*.py*
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Keypadlatest.lib Thu Nov 16 04:41:13 2017 +0000 @@ -0,0 +1,1 @@ +http://os.mbed.com/teams/embedded-system-bmt-4033/code/Keypadlatest/#909929293a23
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Thu Nov 16 04:41:13 2017 +0000 @@ -0,0 +1,87 @@ +# Getting started with Blinky on mbed OS + +This guide reviews the steps required to get Blinky working on an mbed OS platform. + +Please install [mbed CLI](https://github.com/ARMmbed/mbed-cli#installing-mbed-cli). + +## Import the example application + +From the command-line, import the example: + +``` +mbed import mbed-os-example-blinky +cd mbed-os-example-blinky +``` + +### Now compile + +Invoke `mbed compile`, and specify the name of your platform and your favorite toolchain (`GCC_ARM`, `ARM`, `IAR`). For example, for the ARM Compiler 5: + +``` +mbed compile -m K64F -t ARM +``` + +Your PC may take a few minutes to compile your code. At the end, you see the following result: + +``` +[snip] ++----------------------------+-------+-------+------+ +| Module | .text | .data | .bss | ++----------------------------+-------+-------+------+ +| Misc | 13939 | 24 | 1372 | +| core/hal | 16993 | 96 | 296 | +| core/rtos | 7384 | 92 | 4204 | +| features/FEATURE_IPV4 | 80 | 0 | 176 | +| frameworks/greentea-client | 1830 | 60 | 44 | +| frameworks/utest | 2392 | 512 | 292 | +| Subtotals | 42618 | 784 | 6384 | ++----------------------------+-------+-------+------+ +Allocated Heap: unknown +Allocated Stack: unknown +Total Static RAM memory (data + bss): 7168 bytes +Total RAM memory (data + bss + heap + stack): 7168 bytes +Total Flash memory (text + data + misc): 43402 bytes +Image: .\.build\K64F\ARM\mbed-os-example-blinky.bin +``` + +### Program your board + +1. Connect your mbed device to the computer over USB. +1. Copy the binary file to the mbed device. +1. Press the reset button to start the program. + +The LED on your platform turns on and off. + +## Export the project to Keil MDK, and debug your application + +From the command-line, run the following command: + +``` +mbed export -m K64F -i uvision +``` + +To debug the application: + +1. Start uVision. +1. Import the uVision project generated earlier. +1. Compile your application, and generate an `.axf` file. +1. Make sure uVision is configured to debug over CMSIS-DAP (From the Project menu > Options for Target '...' > Debug tab > Use CMSIS-DAP Debugger). +1. Set breakpoints, and start a debug session. + + + +## Troubleshooting + +1. Make sure `mbed-cli` is working correctly and its version is `>1.0.0` + + ``` + mbed --version + ``` + + If not, you can update it: + + ``` + pip install mbed-cli --upgrade + ``` + +2. If using Keil MDK, make sure you have a license installed. [MDK-Lite](http://www.keil.com/arm/mdk.asp) has a 32 KB restriction on code size. \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Thu Nov 16 04:41:13 2017 +0000 @@ -0,0 +1,1 @@ +http://os.mbed.com/teams/embedded-system-bmt-4033/code/TextLCD/#308d188a2d3a
Binary file img/uvision.png has changed
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Nov 16 04:41:13 2017 +0000
@@ -0,0 +1,64 @@
+
+#include "mbed.h"
+#include "Keypad.h"
+#include "TextLCD.h"
+#include "string.h"
+TextLCD display(D8, D9, D4, D5, D6, D7); // rs, e, d4-d7
+
+char kpdLayout[4][4] = {{'1' ,'2' ,'3' ,'A'}, //row0
+ {'4' ,'5' ,'6' ,'B'}, //row1
+ {'7' ,'8' ,'9' ,'C'}, //row2
+ {'*' ,'0' ,'#' ,'D'}}; //row3
+
+Keypad kpad(PB_14, PB_15, PB_1, PB_2, PB_11, PB_12, PA_11, PA_12);
+char password[20];
+const char code1[]="12345678";
+int main() {
+ char key;
+ int released = 1,count=0;
+ display.locate(0,0);
+ display.printf("insert password");
+ while(1){
+ key = kpad.ReadKey(); //read the current key pressed
+ if(key == '\0')
+ released = 1; //set the flag when all keys are released
+ if((key != '\0') && (released == 1))
+ { //if a key is pressed AND previous key was released
+ if(key!='#')
+ { password[count]=key; // add pasword
+ password[count+1]='\0'; // put end of password
+ count++; //counter
+ if(count>8) //max count
+ count=0;
+ display.cls();
+ display.locate(0,0);
+ display.printf("insert password");
+ display.locate(2,1);
+ display.printf("pass:%s",password);
+ }
+ else if(key=='#')
+ { bool accept=1;
+ for(int i=0;password[i]!='\0';i++)
+ { if(password[i]!=code1[i])
+ { accept=0;
+ break;
+ }
+ }
+ display.cls();
+ if(accept==0)
+ { display.locate(0,0);
+ display.printf("wrong password ");
+ }
+ else
+ { display.locate(0,0);
+ display.printf("accept password");
+ }
+ count=0; // reset password counter
+ }
+
+
+
+ released = 0; //clear the flag to indicate that key is still pressed
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os.lib Thu Nov 16 04:41:13 2017 +0000 @@ -0,0 +1,1 @@ +https://github.com/ARMmbed/mbed-os/#78474a5129e18e136cc7e872adbaa5b74fbb8f6a