rtc basics #125

apps/sh/shell.c

@@ -44,7 +44,8 @@
 #include <poweroff/sbin_cmd_poweroff.h>
 #include <boneshell/boneshell.h>
 #include <assertk.h>
-#include <drv/driver.h>
+#include <drv/driver.h>
+#include <drv/rtc/rtc.h>
 #include <sh/built-in/exit/exit.h>
 
 
@@ -82,7 +83,7 @@ void init_terminal()
  assertkm(device_initalized(KBD_DRIVER_INDEX) , "Keyboard not intalized for starting shell!");
  TERMINAL_MODE=true;
  //cmds[CMD_BONEOS_LOGO_INDEX]->handler("boneos_logo");
- printk ("%s release %s started.\n", VAR_OSNAME, VAR_RELEASE);
+ printk ("%s release %s started at %x:%x:%x UTC.\n", VAR_OSNAME, VAR_RELEASE, rtc_get_hour(), rtc_get_minute(), rtc_get_second());
  cmds[CMD_BONESHELL_INDEX]->handler("boneshell");
  TERMINAL_MODE=false;
 }

include/platform/pc/drv/rtc/rtc.h

@@ -0,0 +1,12 @@
+#ifndef _DRV_RTC_H_
+#define _DRV_RTC_H_
+
+uint8_t rtc_get_year();
+uint8_t rtc_get_month();
+uint8_t rtc_get_day();
+uint8_t rtc_get_hour();
+uint8_t rtc_get_minute ();
+uint8_t rtc_get_second();
+void rtc_print_time ();
+
+#endif // _DRV_RTC_H_

platform/pc/Makefile

@@ -17,6 +17,7 @@ CSRCS = \
  drv/ps2/kbd/scancodes.c \
  drv/ps2/kbd/kbd_layouts/scancodes_usa.c \
  drv/ps2/kbd/utils.c \
+ drv/rtc/rtc.c \
  io/io.c
 
 

platform/pc/drv/rtc/rtc.c

@@ -0,0 +1,77 @@
+/**
+ ** This file is part of BoneOS.
+ **
+ ** BoneOS is free software: you can redistribute it and/or modify
+ ** it under the terms of the GNU General Public License as published by
+ ** the Free Software Foundation, either version 3 of the License, or
+ ** (at your option) any later version.
+
+ ** BoneOS is distributed in the hope that it will be useful,
+ ** but WITHOUT ANY WARRANTY; without even the implied warranty of
+ ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ ** GNU General Public License for more details.
+
+ ** You should have received a copy of the GNU General Public License
+ ** along with BoneOS. If not, see <http://www.gnu.org/licenses/>.
+ **
+ ** @main_author : Ashish Ahuja
+ **
+ ** @contributors:
+
+ ** Ashish Ahuja<Fortunate-MAN>: start
+ **/
+
+#include <cpu/interrupts/interrupts.h>
+#include <misc/status_codes.h>
+#include <cpu/interrupts/irq.h>
+#include <libc/unistd/sleep/sleep.h>
+#include <libc/stdlib/stdlib.h>
+#include <stdio/stdio.h>
+#include <drv/driver.h>
+#include <drv/rtc/rtc.h>
+#include <io/io.h>
+#include <stdint.h>
+#include <stddef.h>
+
+uint8_t rtc_get_year()
+{
+ outb(0x70, 0x09);
+ return inb(0x71);
+}
+
+uint8_t rtc_get_month()
+{
+ outb(0x70, 0x08);
+ return inb(0x71);
+}
+
+uint8_t rtc_get_day()
+{
+ outb(0x70, 0x07);
+ return inb(0x71);
+}
+
+uint8_t rtc_get_hour()
+{
+ outb(0x70, 0x04);
+ return inb(0x71);
+}
+
+uint8_t rtc_get_minute ()
+{
+ outb(0x70, 0x02);
+ return inb (0x71);
+}
+
+uint8_t rtc_get_second()
+{
+ outb(0x70, 0x00);
+ return inb(0x71);
+}
+
+void rtc_print_time ()
+{
+ printk("20%x, %x. %x. %x:%x:%x\n",
+ rtc_get_year(), rtc_get_month(), rtc_get_day(),
+ rtc_get_hour(), rtc_get_minute(), rtc_get_second());
+}