A project to implement a console using the Mbed using VGA for video output and a PS/2 keyboard for the input. The eventual goal is to also include tools for managing SD cards, and a semi-self-hosting programming environment.
Dependencies: PS2_MbedConsole fastlib SDFileSystem vga640x480g_mbedconsole lightvm mbed
MbedConsole is a cool little project to have a self-contained computer all on an Mbed. So far it has VGA and PS/2 support and can stand alone without a computer powering it. Next planned features are SD card support and a lightweight programmable VM complete with a file editor and self-hosted assembler.
You can view additional details about it at http://earlz.net/tags/mbedconsole
shell.cpp@2:e2a4c5d17d59, 2012-09-17 (annotated)
- Committer:
- earlz
- Date:
- Mon Sep 17 04:45:10 2012 +0000
- Revision:
- 2:e2a4c5d17d59
- Parent:
- 1:eb209f0468de
- Child:
- 3:2bc2b0dce10e
Has a rudimentary shell. A good starting point until PS/2 breakout boards come in
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
earlz | 1:eb209f0468de | 1 | #include "mbedconsole.h" |
earlz | 1:eb209f0468de | 2 | LocalFileSystem local("local"); |
earlz | 1:eb209f0468de | 3 | void shell_begin(){ |
earlz | 1:eb209f0468de | 4 | vputs(">>Micro eMBEDded Shell v0.1<<\n"); |
earlz | 1:eb209f0468de | 5 | char *cmd=(char*)malloc(128); |
earlz | 1:eb209f0468de | 6 | bool valid=false; |
earlz | 1:eb209f0468de | 7 | while(1){ |
earlz | 1:eb209f0468de | 8 | vputs("> "); |
earlz | 1:eb209f0468de | 9 | vgetsl(cmd, 128); |
earlz | 1:eb209f0468de | 10 | vputc('\n'); |
earlz | 1:eb209f0468de | 11 | valid=false; |
earlz | 1:eb209f0468de | 12 | if(strlcmp(cmd, "help", 5)==0){ |
earlz | 1:eb209f0468de | 13 | valid=true; |
earlz | 1:eb209f0468de | 14 | vputs("Command list:\n"); |
earlz | 1:eb209f0468de | 15 | vputs("help -- this text \n"); |
earlz | 1:eb209f0468de | 16 | vputs("cls -- clear the screen\n"); |
earlz | 1:eb209f0468de | 17 | }else if(strlcmp(cmd,"cls",4)==0){ |
earlz | 1:eb209f0468de | 18 | valid=true; |
earlz | 1:eb209f0468de | 19 | vga_cls(); |
earlz | 2:e2a4c5d17d59 | 20 | vsetcursor(0,0); |
earlz | 1:eb209f0468de | 21 | }else if(strlcmp(cmd,"test", 5)==0){ |
earlz | 2:e2a4c5d17d59 | 22 | valid=true; |
earlz | 2:e2a4c5d17d59 | 23 | vputs("Opening File...Screen may flicker!\n"); // Drive should be marked as removed |
earlz | 2:e2a4c5d17d59 | 24 | wait(5); |
earlz | 1:eb209f0468de | 25 | FILE *fp = fopen("/local/test.txt", "w"); |
earlz | 1:eb209f0468de | 26 | if(!fp) { |
earlz | 1:eb209f0468de | 27 | vputs("File /local/test.txt could not be opened!\n"); |
earlz | 1:eb209f0468de | 28 | exit(1); |
earlz | 1:eb209f0468de | 29 | } |
earlz | 1:eb209f0468de | 30 | |
earlz | 1:eb209f0468de | 31 | wait(5.0); |
earlz | 1:eb209f0468de | 32 | |
earlz | 1:eb209f0468de | 33 | vputs("Writing Data...\n"); |
earlz | 1:eb209f0468de | 34 | fprintf(fp, "Hello World!"); |
earlz | 1:eb209f0468de | 35 | |
earlz | 1:eb209f0468de | 36 | wait(5.0); |
earlz | 1:eb209f0468de | 37 | |
earlz | 1:eb209f0468de | 38 | vputs("Closing File...\n"); |
earlz | 1:eb209f0468de | 39 | fclose(fp); |
earlz | 1:eb209f0468de | 40 | |
earlz | 1:eb209f0468de | 41 | // Drive should be restored. this is the same as just returning from main |
earlz | 1:eb209f0468de | 42 | wait(5); |
earlz | 1:eb209f0468de | 43 | } |
earlz | 1:eb209f0468de | 44 | if(!valid){ |
earlz | 1:eb209f0468de | 45 | vputs("invalid command!\n"); |
earlz | 1:eb209f0468de | 46 | } |
earlz | 1:eb209f0468de | 47 | } |
earlz | 1:eb209f0468de | 48 | } |
earlz | 1:eb209f0468de | 49 | |
earlz | 1:eb209f0468de | 50 | |
earlz | 1:eb209f0468de | 51 |