Changeset 46bd593f in mainline

Timestamp:

2006-06-01T23:35:27Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

df688cd

Parents:

da0c91e7

Message:

Added more functions to console emulation through sysio.

File:

• fb/sysio.c (modified) (5 diffs)

fb/sysio.c

@@ -32 +32 @@
 #include <libc.h>
 #include <errno.h>
+#include <string.h>
+#include <libc.h>
+#include <stdio.h>
 
 #include "sysio.h"
@@ -38 +41 @@
 static int client_connected = 0;
 
+#define CLRSCR   "\033[2J"
+
 static void sysput(char c)
 {
         __SYSCALL3(SYS_IO, 1, (sysarg_t)&c, (sysarg_t) 1);
+}
+
+static void sysputs(char *s)
+{
+        __SYSCALL3(SYS_IO, 1, (sysarg_t)s, strlen(s));
+}
+
+static void curs_goto(unsigned int row, unsigned int col)
+{
+        char control[20];
+
+        if (row > 100 || col > 100)
+                return;
+
+        snprintf(control, 20, "\033[%d;%df",row, col);
+        sysputs(control);
 }
 
@@ -49 +70 @@
         ipc_call_t call;
         char c;
+        int lastcol=0;
+        int lastrow=0;
+        int newcol,newrow;
 
         if (client_connected) {
@@ -65 +89 @@
                 case FB_PUTCHAR:
                         c = IPC_GET_ARG1(call);
+                        newrow = IPC_GET_ARG2(call);
+                        newcol = IPC_GET_ARG3(call);
+                        if (lastcol != newcol || lastrow!=newrow) 
+                                curs_goto(newrow, newcol);
+                        lastcol = newcol + 1;
+                        lastrow = newrow;
                         sysput(c);
                         retval = 0;
+                        break;
+                case FB_CURSOR_GOTO:
+                        newrow = IPC_GET_ARG1(call);
+                        newcol = IPC_GET_ARG2(call);
+                        curs_goto(newrow, newcol);
                         break;
                 case FB_GET_CSIZE:
                         ipc_answer_fast(callid, 0, 25, 80);
                         continue;
+                case FB_CLEAR:
+                        sysputs(CLRSCR);
+                        retval = 0;
+                        break;
                 default:
                         retval = ENOENT;
@@ -81 +120 @@
 {
         async_set_client_connection(sysio_client_connection);
+        sysputs(CLRSCR);
+        curs_goto(0,0);
 }