Changeset 8b97256 in mainline for uspace/srv/fb/serial_console.c

Timestamp:

2008-12-18T12:23:39Z (16 years ago)

Author:

Jiri Svoboda <jirik.svoboda@…>

Branches:

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

Children:

d99b3f2

Parents:

8231246

Message:

Do not duplicate code in serial framebuffer drivers.

File:

• uspace/srv/fb/serial_console.c (modified) (4 diffs)

uspace/srv/fb/serial_console.c

@@ -39 +39 @@
 
 #include <stdio.h>
+#include <ipc/ipc.h>
+#include <async.h>
+#include <ipc/fb.h>
+#include <bool.h>
+#include <errno.h>
 
 #include "serial_console.h"
@@ -44 +49 @@
 #define MAX_CONTROL 20
 
-static uint32_t width;
-static uint32_t height;
+static int width;
+static int height;
 static putc_function_t putc_function;
+
+/* Allow only 1 connection */
+static int client_connected = 0;
 
 void serial_puts(char *str)
@@ -89 +97 @@
 }
 
+/** Set scrolling region. */
+void serial_set_scroll_region(unsigned last_row)
+{
+        char control[MAX_CONTROL];
+        snprintf(control, MAX_CONTROL, "\033[0;%ur", last_row);
+        serial_puts(control);
+}
+
 void serial_cursor_disable(void)
 {
@@ -106 +122 @@
 }
 
+/**
+ * Main function of the thread serving client connections.
+ */
+void serial_client_connection(ipc_callid_t iid, ipc_call_t *icall)
+{
+        int retval;
+        ipc_callid_t callid;
+        ipc_call_t call;
+        char c;
+        int lastcol = 0;
+        int lastrow = 0;
+        int newcol;
+        int newrow;
+        int fgcolor;
+        int bgcolor;
+        int i;
+        
+        if (client_connected) {
+                ipc_answer_0(iid, ELIMIT);
+                return;
+        }
+        
+        client_connected = 1;
+        ipc_answer_0(iid, EOK);
+        
+        /* Clear the terminal, set scrolling region
+           to 0 - height rows. */
+        serial_clrscr();
+        serial_goto(0, 0);
+        serial_set_scroll_region(height);
+        
+        while (true) {
+                callid = async_get_call(&call);
+                switch (IPC_GET_METHOD(call)) {
+                case IPC_M_PHONE_HUNGUP:
+                        client_connected = 0;
+                        ipc_answer_0(callid, EOK);
+                        return;
+                case FB_PUTCHAR:
+                        c = IPC_GET_ARG1(call);
+                        newrow = IPC_GET_ARG2(call);
+                        newcol = IPC_GET_ARG3(call);
+                        if ((lastcol != newcol) || (lastrow != newrow))
+                                serial_goto(newrow, newcol);
+                        lastcol = newcol + 1;
+                        lastrow = newrow;
+                        (*putc_function)(c);
+                        retval = 0;
+                        break;
+                case FB_CURSOR_GOTO:
+                        newrow = IPC_GET_ARG1(call);
+                        newcol = IPC_GET_ARG2(call);
+                        serial_goto(newrow, newcol);
+                        lastrow = newrow;
+                        lastcol = newcol;
+                        retval = 0;
+                        break;
+                case FB_GET_CSIZE:
+                        ipc_answer_2(callid, EOK, height, width);
+                        continue;
+                case FB_CLEAR:
+                        serial_clrscr();
+                        retval = 0;
+                        break;
+                case FB_SET_STYLE:
+                        fgcolor = IPC_GET_ARG1(call);
+                        bgcolor = IPC_GET_ARG2(call);
+                        if (fgcolor < bgcolor)
+                                serial_set_style(0);
+                        else
+                                serial_set_style(7);
+                        retval = 0;
+                        break;
+                case FB_SCROLL:
+                        i = IPC_GET_ARG1(call);
+                        if ((i > height) || (i < -height)) {
+                                retval = EINVAL;
+                                break;
+                        }
+                        serial_scroll(i);
+                        serial_goto(lastrow, lastcol);
+                        retval = 0;
+                        break;
+                case FB_CURSOR_VISIBILITY:
+                        if(IPC_GET_ARG1(call))
+                                serial_cursor_enable();
+                        else
+                                serial_cursor_disable();
+                        retval = 0;
+                        break;
+                default:
+                        retval = ENOENT;
+                }
+                ipc_answer_0(callid, retval);
+        }
+}
+
 /** 
  * @}