Changeset 1180a88e in mainline for fb/sysio.c

Timestamp:

2006-06-02T08:52:59Z (20 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

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

Children:

838c48e

Parents:

10569b1

Message:

Doc updates.

File:

• fb/sysio.c (modified) (5 diffs)

fb/sysio.c

@@ -41 +41 @@
 static int client_connected = 0;
 
-#define CLRSCR   "\033[2J"
-
 static void sysput(char c)
 {
@@ -53 +51 @@
 }
 
+/** Send clearscreen sequence to console */
+static void clrscr(void)
+{
+        sysputs("\033[2J");
+}
+
+/** Send ansi sequence to console to change cursor position */
 static void curs_goto(unsigned int row, unsigned int col)
 {
         char control[20];
 
-        if (row > 100 || col > 100)
+        if (row > 200 || col > 200)
                 return;
 
@@ -64 +69 @@
 }
 
+/** ANSI terminal emulation main thread */
 static void sysio_client_connection(ipc_callid_t iid, ipc_call_t *icall)
 {
@@ -107 +113 @@
                         continue;
                 case FB_CLEAR:
-                        sysputs(CLRSCR);
+                        clrscr();
                         retval = 0;
                         break;
@@ -117 +123 @@
 }
 
+/** ANSI terminal emulation initialization */
 void sysio_init(void)
 {
         async_set_client_connection(sysio_client_connection);
-        sysputs(CLRSCR);
+        clrscr();
         curs_goto(0,0);
 }