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git://projects.qi-hardware.com/iris.git
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59 lines
1.5 KiB
Plaintext
59 lines
1.5 KiB
Plaintext
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#pypp 0
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// Iris: micro-kernel for a capability-based operating system.
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// source/rtc.ccp: real-time clock driver.
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// Copyright 2010 Bas Wijnen <wijnen@debian.org>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "devices.hh"
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#define ARCH
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#include "arch.hh"
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static void ready ():
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while !rtc_write_ready ():
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Iris::schedule ()
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static unsigned get_second ():
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ready ()
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unsigned ret = rtc_get_second ()
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unsigned r2
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while true:
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ready ()
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r2 = rtc_get_second ()
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if ret == r2:
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return ret
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kdebug ("ret != r2\n")
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ret = r2
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Iris::Num start ():
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map_cpm ()
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map_rtc ()
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cpm_start_rtc ()
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ready ()
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rtc_enabled ()
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ready ()
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rtc_set_nc1Hz_val (RTC_CLOCK)
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ready ()
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rtc_enable_1Hz_irq ()
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rtc_clear_alarm_flag ()
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rtc_set_hwfcr_val (0)
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while true:
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ready ()
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rtc_clear_1Hz_flag ()
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ready ()
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Iris::register_interrupt (IRQ_RTC)
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Iris::wait ()
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kdebug ("tick\n")
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return 0
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