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@9:4211d638b2e9, 2012-09-26 (annotated)
- Committer:
- earlz
- Date:
- Wed Sep 26 04:12:57 2012 +0000
- Revision:
- 9:4211d638b2e9
- Parent:
- 3:2bc2b0dce10e
- Child:
- 10:bda85442b674
PS/2 keyboard now receives scan codes at least
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
earlz | 3:2bc2b0dce10e | 1 | #include "mbedconsole.h" |
earlz | 3:2bc2b0dce10e | 2 | #include "plEarlz.h" |
earlz | 9:4211d638b2e9 | 3 | #include "PS2Keyboard.h" |
earlz | 3:2bc2b0dce10e | 4 | |
earlz | 3:2bc2b0dce10e | 5 | |
earlz | 3:2bc2b0dce10e | 6 | LocalFileSystem local("local"); |
earlz | 3:2bc2b0dce10e | 7 | void shell_begin(){ |
earlz | 3:2bc2b0dce10e | 8 | vputs(">>Micro eMBEDded Shell v0.1<<\n"); |
earlz | 3:2bc2b0dce10e | 9 | char *cmd=(char*)malloc(128); |
earlz | 3:2bc2b0dce10e | 10 | bool valid=false; |
earlz | 3:2bc2b0dce10e | 11 | while(1){ |
earlz | 3:2bc2b0dce10e | 12 | vputs("> "); |
earlz | 3:2bc2b0dce10e | 13 | vgetsl(cmd, 128); |
earlz | 3:2bc2b0dce10e | 14 | vputc('\n'); |
earlz | 3:2bc2b0dce10e | 15 | valid=false; |
earlz | 3:2bc2b0dce10e | 16 | if(strlcmp(cmd, "help", 5)==0){ |
earlz | 3:2bc2b0dce10e | 17 | valid=true; |
earlz | 3:2bc2b0dce10e | 18 | vputs("Command list:\n"); |
earlz | 3:2bc2b0dce10e | 19 | vputs("help -- this text \n"); |
earlz | 3:2bc2b0dce10e | 20 | vputs("cls -- clear the screen\n"); |
earlz | 3:2bc2b0dce10e | 21 | }else if(strlcmp(cmd,"cls",4)==0){ |
earlz | 3:2bc2b0dce10e | 22 | valid=true; |
earlz | 3:2bc2b0dce10e | 23 | vga_cls(); |
earlz | 3:2bc2b0dce10e | 24 | vsetcursor(0,0); |
earlz | 3:2bc2b0dce10e | 25 | }else if(strlcmp(cmd,"test", 5)==0){ |
earlz | 3:2bc2b0dce10e | 26 | valid=true; |
earlz | 3:2bc2b0dce10e | 27 | vputs("Opening File...Screen may flicker!\n"); // Drive should be marked as removed |
earlz | 3:2bc2b0dce10e | 28 | wait(5); |
earlz | 3:2bc2b0dce10e | 29 | FILE *fp = fopen("/local/test.txt", "w"); |
earlz | 3:2bc2b0dce10e | 30 | if(!fp) { |
earlz | 3:2bc2b0dce10e | 31 | vputs("File /local/test.txt could not be opened!\n"); |
earlz | 3:2bc2b0dce10e | 32 | exit(1); |
earlz | 3:2bc2b0dce10e | 33 | } |
earlz | 3:2bc2b0dce10e | 34 | |
earlz | 3:2bc2b0dce10e | 35 | wait(5.0); |
earlz | 3:2bc2b0dce10e | 36 | |
earlz | 3:2bc2b0dce10e | 37 | vputs("Writing Data...\n"); |
earlz | 3:2bc2b0dce10e | 38 | fprintf(fp, "Hello World!"); |
earlz | 3:2bc2b0dce10e | 39 | |
earlz | 3:2bc2b0dce10e | 40 | wait(5.0); |
earlz | 3:2bc2b0dce10e | 41 | |
earlz | 3:2bc2b0dce10e | 42 | vputs("Closing File...\n"); |
earlz | 3:2bc2b0dce10e | 43 | fclose(fp); |
earlz | 3:2bc2b0dce10e | 44 | |
earlz | 3:2bc2b0dce10e | 45 | // Drive should be restored. this is the same as just returning from main |
earlz | 3:2bc2b0dce10e | 46 | wait(5); |
earlz | 9:4211d638b2e9 | 47 | }else if(strlcmp(cmd, "test2", 6)==0){ |
earlz | 9:4211d638b2e9 | 48 | PS2Keyboard::keyboard_event_t evt_kb; |
earlz | 9:4211d638b2e9 | 49 | while (1) { |
earlz | 9:4211d638b2e9 | 50 | //serial.putc('.'); |
earlz | 9:4211d638b2e9 | 51 | if (ps2kb->processing(&evt_kb)) { |
earlz | 9:4211d638b2e9 | 52 | console.printf("[%d]:", evt_kb.type); |
earlz | 9:4211d638b2e9 | 53 | for (int i = 0; i < evt_kb.length; i++) { |
earlz | 9:4211d638b2e9 | 54 | console.printf("%02x ", evt_kb.scancode[i]); |
earlz | 9:4211d638b2e9 | 55 | } |
earlz | 9:4211d638b2e9 | 56 | console.printf("\r\n"); |
earlz | 9:4211d638b2e9 | 57 | } |
earlz | 9:4211d638b2e9 | 58 | } |
earlz | 3:2bc2b0dce10e | 59 | }else if(strlcmp(cmd, "plearlz", 8)==0){ |
earlz | 3:2bc2b0dce10e | 60 | valid=1; |
earlz | 3:2bc2b0dce10e | 61 | pl_shell(); |
earlz | 3:2bc2b0dce10e | 62 | } |
earlz | 3:2bc2b0dce10e | 63 | if(!valid){ |
earlz | 3:2bc2b0dce10e | 64 | vputs("invalid command!\n"); |
earlz | 3:2bc2b0dce10e | 65 | } |
earlz | 3:2bc2b0dce10e | 66 | } |
earlz | 3:2bc2b0dce10e | 67 | } |
earlz | 3:2bc2b0dce10e | 68 | |
earlz | 3:2bc2b0dce10e | 69 | |
earlz | 3:2bc2b0dce10e | 70 |