forked from Imagelibrary/rtems
ef4c4612e2
This patch eliminates most of the warnings in this BSP but attempts very little clean up. This BSP includes copies of a lot of code from free NDS libraries and modifications should be kept to a minimum.
95 lines
1.9 KiB
C
95 lines
1.9 KiB
C
/*
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* RTEMS for Nintendo DS realtime clock driver.
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*/
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/*
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* Copyright (c) 2008 by Cedric Gestes <ctaf42@gmail.com>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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*
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* http://www.rtems.org/license/LICENSE
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*/
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#include <rtems.h>
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#include <libchip/rtc.h>
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#include <bsp.h>
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#include <nds.h>
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rtems_device_minor_number RTC_Minor;
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size_t RTC_Count = 1;
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/*
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* probe for a rtc. we always claim to have one.
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*/
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static bool
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nds_rtc_probe (int minor)
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{
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return true;
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}
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/*
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* initialize the nds rtc.
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*/
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static void
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nds_rtc_init (int minor)
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{
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/* nothing to do here (already done in the arm7 main) */
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printk ("[+] rtc started\n");
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}
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/*
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* read current time from nds real-time clock chip and convert it
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* to the rtems_time_of_day structure.
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*/
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static int
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nds_rtc_get_time (int minor, rtems_time_of_day * time)
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{
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time->year = 2000 + IPC->time.rtc.year;
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time->month = IPC->time.rtc.month;
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time->day = IPC->time.rtc.day;
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time->hour = IPC->time.rtc.hours;
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time->minute = IPC->time.rtc.minutes;
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time->second = IPC->time.rtc.seconds;
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time->ticks = 0;
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return 0;
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}
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/*
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* set time to the arm7 nds rtc.
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* NOTE: this is not supported.
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*/
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static int
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nds_rtc_set_time (int minor, const rtems_time_of_day * time)
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{
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return -1;
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}
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/*
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* driver function table.
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*/
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rtc_fns nds_rtc_fns = {
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nds_rtc_init,
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nds_rtc_get_time,
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nds_rtc_set_time
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};
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/*
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* the following table configures the RTC drivers used in this BSP
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*/
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rtc_tbl RTC_Table[] = {
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{
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"/dev/rtc", /* sDeviceName */
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RTC_CUSTOM, /* deviceType */
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&nds_rtc_fns, /* pDeviceFns */
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nds_rtc_probe, /* deviceProbe */
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NULL, /* pDeviceParams */
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0, /* ulCtrlPort1 */
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0, /* ulDataPort */
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NULL, /* getRegister */
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NULL /* setRegister */
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}
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};
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