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Add new demo files.
This commit is contained in:
Richard Barry
parent
b5ab3cd823
commit
151c72ab7c
125 changed files with 40038 additions and 0 deletions
403
Demo/CORTEX_AT91SAM3U256_IAR/AT91Lib/peripherals/rtc/rtc.c
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403
Demo/CORTEX_AT91SAM3U256_IAR/AT91Lib/peripherals/rtc/rtc.c
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@ -0,0 +1,403 @@
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/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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||||
*
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* - Redistributions of source code must retain the above copyright notice,
|
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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||||
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
|
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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//------------------------------------------------------------------------------
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// Headers
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//------------------------------------------------------------------------------
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#include "rtc.h"
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#include <board.h>
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#include <utility/assert.h>
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#include <utility/trace.h>
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//------------------------------------------------------------------------------
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// Exported functions
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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/// Sets the RTC in either 12- or 24-hour mode.
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/// \param mode Hour mode.
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//------------------------------------------------------------------------------
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void RTC_SetHourMode(unsigned int mode)
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{
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SANITY_CHECK((mode & 0xFFFFFFFE) == 0);
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TRACE_DEBUG("RTC_SetHourMode()\n\r");
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AT91C_BASE_RTC->RTC_MR = mode;
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}
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//------------------------------------------------------------------------------
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/// Gets the RTC mode.
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/// \return Hour mode.
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//------------------------------------------------------------------------------
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unsigned int RTC_GetHourMode()
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{
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unsigned int hmode;
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TRACE_DEBUG("RTC_SetHourMode()\n\r");
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hmode = AT91C_BASE_RTC->RTC_MR;
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hmode &= 0xFFFFFFFE;
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return hmode;
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}
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//------------------------------------------------------------------------------
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/// Enables the selected interrupt sources of the RTC.
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/// \param sources Interrupt sources to enable.
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//------------------------------------------------------------------------------
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void RTC_EnableIt(unsigned int sources)
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{
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SANITY_CHECK((sources & ~0x1F) == 0);
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TRACE_DEBUG("RTC_EnableIt()\n\r");
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AT91C_BASE_RTC->RTC_IER = sources;
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}
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//------------------------------------------------------------------------------
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/// Disables the selected interrupt sources of the RTC.
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/// \param sources Interrupt sources to disable.
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//------------------------------------------------------------------------------
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void RTC_DisableIt(unsigned int sources)
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{
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SANITY_CHECK((sources & ~0x1F) == 0);
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TRACE_DEBUG("RTC_DisableIt()\n\r");
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AT91C_BASE_RTC->RTC_IDR = sources;
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}
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//------------------------------------------------------------------------------
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/// Sets the current time in the RTC.
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/// \param hour Current hour in 24 hour mode.
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/// \param minute Current minute.
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/// \param second Current second.
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/// \return 0 sucess, 1 fail to set
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//------------------------------------------------------------------------------
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int RTC_SetTime(unsigned char hour, unsigned char minute, unsigned char second)
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{
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unsigned int time=0;
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unsigned char hour_bcd;
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unsigned char min_bcd;
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unsigned char sec_bcd;
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TRACE_DEBUG("RTC_SetTime(%02d:%02d:%02d)\n\r", hour, minute, second);
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// if 12-hour mode, set AMPM bit
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if ((AT91C_BASE_RTC->RTC_MR & AT91C_RTC_HRMOD) == AT91C_RTC_HRMOD) {
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if (hour > 12) {
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hour -= 12;
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time |= AT91C_RTC_AMPM;
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}
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}
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hour_bcd = (hour%10) | ((hour/10)<<4);
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min_bcd = (minute%10) | ((minute/10)<<4);
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sec_bcd = (second%10) | ((second/10)<<4);
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//value overflow
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if((hour_bcd & (unsigned char)(~RTC_HOUR_BIT_LEN_MASK)) |
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(min_bcd & (unsigned char)(~RTC_MIN_BIT_LEN_MASK)) |
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(sec_bcd & (unsigned char)(~RTC_SEC_BIT_LEN_MASK)))
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return 1;
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time = sec_bcd | (min_bcd << 8) | (hour_bcd<<16);
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// time |= ((hour % 10) << 16) | ((hour / 10) << 20);
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// Set time
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//if((AT91C_BASE_RTC->RTC_SR & AT91C_RTC_SECEV) != AT91C_RTC_SECEV) return 1;
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while ((AT91C_BASE_RTC->RTC_SR & AT91C_RTC_SECEV) != AT91C_RTC_SECEV);//wait from previous set
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AT91C_BASE_RTC->RTC_CR |= AT91C_RTC_UPDTIM;
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while ((AT91C_BASE_RTC->RTC_SR & AT91C_RTC_ACKUPD) != AT91C_RTC_ACKUPD);
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AT91C_BASE_RTC->RTC_SCCR = AT91C_RTC_ACKUPD;
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AT91C_BASE_RTC->RTC_TIMR = time;
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AT91C_BASE_RTC->RTC_CR &= ~AT91C_RTC_UPDTIM;
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AT91C_BASE_RTC->RTC_SCCR |= AT91C_RTC_SECEV;//clear SECENV in SCCR
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return (int)(AT91C_BASE_RTC->RTC_VER & AT91C_RTC_NVTIM);
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}
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//------------------------------------------------------------------------------
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/// Retrieves the current time as stored in the RTC in several variables.
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/// \param pHour If not null, current hour is stored in this variable.
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/// \param pMinute If not null, current minute is stored in this variable.
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/// \param pSecond If not null, current second is stored in this variable.
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//------------------------------------------------------------------------------
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void RTC_GetTime(
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unsigned char *pHour,
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unsigned char *pMinute,
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unsigned char *pSecond)
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{
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unsigned int time;
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TRACE_DEBUG("RTC_GetTime()\n\r");
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// Get current RTC time
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time = AT91C_BASE_RTC->RTC_TIMR;
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while (time != AT91C_BASE_RTC->RTC_TIMR) {
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time = AT91C_BASE_RTC->RTC_TIMR;
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}
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// Hour
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if (pHour) {
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*pHour = ((time & 0x00300000) >> 20) * 10
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+ ((time & 0x000F0000) >> 16);
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if ((time & AT91C_RTC_AMPM) == AT91C_RTC_AMPM) {
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*pHour += 12;
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}
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}
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// Minute
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if (pMinute) {
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*pMinute = ((time & 0x00007000) >> 12) * 10
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+ ((time & 0x00000F00) >> 8);
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}
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// Second
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if (pSecond) {
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*pSecond = ((time & 0x00000070) >> 4) * 10
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+ (time & 0x0000000F);
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}
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}
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//------------------------------------------------------------------------------
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/// Sets a time alarm on the RTC. The match is performed only on the provided
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/// variables; setting all pointers to 0 disables the time alarm.
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/// Note: in AM/PM mode, the hour value must have bit #7 set for PM, cleared for
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/// AM (as expected in the time registers).
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/// \param pHour If not null, the time alarm will hour-match this value.
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/// \param pMinute If not null, the time alarm will minute-match this value.
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/// \param pSecond If not null, the time alarm will second-match this value.
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/// \return 0 success, 1 fail to set
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//------------------------------------------------------------------------------
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int RTC_SetTimeAlarm(
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unsigned char *pHour,
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unsigned char *pMinute,
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unsigned char *pSecond)
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{
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unsigned int alarm = 0;
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TRACE_DEBUG("RTC_SetTimeAlarm()\n\r");
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// Hour
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if (pHour) {
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alarm |= AT91C_RTC_HOUREN | ((*pHour / 10) << 20) | ((*pHour % 10) << 16);
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}
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// Minute
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if (pMinute) {
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alarm |= AT91C_RTC_MINEN | ((*pMinute / 10) << 12) | ((*pMinute % 10) << 8);
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}
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// Second
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if (pSecond) {
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alarm |= AT91C_RTC_SECEN | ((*pSecond / 10) << 4) | (*pSecond % 10);
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}
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AT91C_BASE_RTC->RTC_TIMALR = alarm;
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return (int)(AT91C_BASE_RTC->RTC_VER & AT91C_RTC_NVTIMALR);
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}
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//------------------------------------------------------------------------------
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/// Retrieves the current year, month and day from the RTC. Month, day and week
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/// values are numbered starting at 1.
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/// \param pYear Current year (optional).
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/// \param pMonth Current month (optional).
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/// \param pDay Current day (optional).
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/// \param pWeek Current day in current week (optional).
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//------------------------------------------------------------------------------
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void RTC_GetDate(
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unsigned short *pYear,
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unsigned char *pMonth,
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unsigned char *pDay,
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unsigned char *pWeek)
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{
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unsigned int date;
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// Get current date (multiple reads are necessary to insure a stable value)
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do {
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date = AT91C_BASE_RTC->RTC_CALR;
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}
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while (date != AT91C_BASE_RTC->RTC_CALR);
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// Retrieve year
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if (pYear) {
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*pYear = (((date >> 4) & 0x7) * 1000)
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+ ((date & 0xF) * 100)
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+ (((date >> 12) & 0xF) * 10)
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+ ((date >> 8) & 0xF);
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}
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// Retrieve month
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if (pMonth) {
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*pMonth = (((date >> 20) & 1) * 10) + ((date >> 16) & 0xF);
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}
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// Retrieve day
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if (pDay) {
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*pDay = (((date >> 28) & 0x3) * 10) + ((date >> 24) & 0xF);
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}
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// Retrieve week
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if (pWeek) {
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*pWeek = ((date >> 21) & 0x7);
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}
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}
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//------------------------------------------------------------------------------
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/// Sets the current year, month and day in the RTC. Month, day and week values
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/// must be numbered starting from 1.
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/// \param year Current year.
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/// \param month Current month.
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/// \param day Current day.
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/// \param week Day number in current week.
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/// \return 0 success, 1 fail to set
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//------------------------------------------------------------------------------
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int RTC_SetDate(
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unsigned short year,
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unsigned char month,
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unsigned char day,
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unsigned char week)
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{
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unsigned int date;
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unsigned char cent_bcd;
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unsigned char year_bcd;
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unsigned char month_bcd;
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unsigned char day_bcd;
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unsigned char week_bcd;
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cent_bcd = ((year/100)%10) | ((year/1000)<<4);
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year_bcd = (year%10) | ((year/10)%10);
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month_bcd = ((month%10) | (month/10)<<4);
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day_bcd = ((day%10) | (day/10)<<4);
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week_bcd = ((week%10) | (week/10)<<4);
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//value over flow
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if((cent_bcd & (unsigned char)(~RTC_CENT_BIT_LEN_MASK)) |
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(year_bcd & (unsigned char)(~RTC_YEAR_BIT_LEN_MASK)) |
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(month_bcd & (unsigned char)(~RTC_MONTH_BIT_LEN_MASK)) |
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(week_bcd & (unsigned char)(~RTC_WEEK_BIT_LEN_MASK)) |
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(day_bcd & (unsigned char)(~RTC_DATE_BIT_LEN_MASK)))
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return 1;
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// Convert values to date register value
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date = cent_bcd |
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(year_bcd << 8) |
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(month_bcd << 16) |
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(week_bcd << 21) |
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(day_bcd << 24);
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// Update calendar register
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//if((AT91C_BASE_RTC->RTC_SR & AT91C_RTC_SECEV) != AT91C_RTC_SECEV) return 1;
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while ((AT91C_BASE_RTC->RTC_SR & AT91C_RTC_SECEV) != AT91C_RTC_SECEV);//wait from previous set
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AT91C_BASE_RTC->RTC_CR |= AT91C_RTC_UPDCAL;
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while ((AT91C_BASE_RTC->RTC_SR & AT91C_RTC_ACKUPD) != AT91C_RTC_ACKUPD);
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AT91C_BASE_RTC->RTC_SCCR = AT91C_RTC_ACKUPD;
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AT91C_BASE_RTC->RTC_CALR = date;
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AT91C_BASE_RTC->RTC_CR &= ~AT91C_RTC_UPDCAL;
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AT91C_BASE_RTC->RTC_SCCR |= AT91C_RTC_SECEV;//clear SECENV in SCCR
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return (int)(AT91C_BASE_RTC->RTC_VER & AT91C_RTC_NVCAL);
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}
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//------------------------------------------------------------------------------
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/// Sets a date alarm in the RTC. The alarm will match only the provided values;
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/// passing a null-pointer disables the corresponding field match.
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/// \param pMonth If not null, the RTC alarm will month-match this value.
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/// \param pDay If not null, the RTC alarm will day-match this value.
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/// \return 0 success, 1 fail to set
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//------------------------------------------------------------------------------
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int RTC_SetDateAlarm(unsigned char *pMonth, unsigned char *pDay)
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{
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unsigned int alarm = 0x01010000;
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TRACE_DEBUG("RTC_SetDateAlarm()\n\r");
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// Compute alarm field value
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if (pMonth) {
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alarm |= AT91C_RTC_MONTHEN | ((*pMonth / 10) << 20) | ((*pMonth % 10) << 16);
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}
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if (pDay) {
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alarm |= AT91C_RTC_DATEEN | ((*pDay / 10) << 28) | ((*pDay % 10) << 24);
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}
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// Set alarm
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AT91C_BASE_RTC->RTC_CALALR = alarm;
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return (int)(AT91C_BASE_RTC->RTC_VER & AT91C_RTC_NVCALALR);
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}
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//------------------------------------------------------------------------------
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/// Clear flag bits of status clear command register in the RTC.
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/// \param mask Bits mask of cleared events
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//------------------------------------------------------------------------------
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void RTC_ClearSCCR(unsigned int mask)
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{
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// Clear all flag bits in status clear command register
|
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mask &= AT91C_RTC_ACKUPD | AT91C_RTC_ALARM | AT91C_RTC_SECEV | \
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AT91C_RTC_TIMEV | AT91C_RTC_CALEV;
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AT91C_BASE_RTC->RTC_SCCR = mask;
|
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}
|
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//------------------------------------------------------------------------------
|
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/// Get flag bits of status register in the RTC.
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/// \param mask Bits mask of Status Register
|
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/// \return Status register & mask
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//------------------------------------------------------------------------------
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unsigned int RTC_GetSR(unsigned int mask)
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{
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unsigned int event;
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event = AT91C_BASE_RTC->RTC_SR;
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return (event & mask);
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}
|
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90
Demo/CORTEX_AT91SAM3U256_IAR/AT91Lib/peripherals/rtc/rtc.h
Normal file
90
Demo/CORTEX_AT91SAM3U256_IAR/AT91Lib/peripherals/rtc/rtc.h
Normal file
|
|
@ -0,0 +1,90 @@
|
|||
/* ----------------------------------------------------------------------------
|
||||
* ATMEL Microcontroller Software Support
|
||||
* ----------------------------------------------------------------------------
|
||||
* Copyright (c) 2008, Atmel Corporation
|
||||
*
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the disclaimer below.
|
||||
*
|
||||
* Atmel's name may not be used to endorse or promote products derived from
|
||||
* this software without specific prior written permission.
|
||||
*
|
||||
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
|
||||
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
||||
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
||||
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
||||
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
* ----------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
#ifndef RTC_H
|
||||
#define RTC_H
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
// Macro used
|
||||
//------------------------------------------------------------------------------
|
||||
#define RTC_HOUR_BIT_LEN_MASK 0x3F
|
||||
#define RTC_MIN_BIT_LEN_MASK 0x7F
|
||||
#define RTC_SEC_BIT_LEN_MASK 0x7F
|
||||
#define RTC_CENT_BIT_LEN_MASK 0x7F
|
||||
#define RTC_YEAR_BIT_LEN_MASK 0xFF
|
||||
#define RTC_MONTH_BIT_LEN_MASK 0x1F
|
||||
#define RTC_DATE_BIT_LEN_MASK 0x3F
|
||||
#define RTC_WEEK_BIT_LEN_MASK 0x07
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
// Exported functions
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
extern void RTC_SetHourMode(unsigned int mode);
|
||||
|
||||
extern unsigned int RTC_GetHourMode();
|
||||
|
||||
extern void RTC_EnableIt(unsigned int sources);
|
||||
|
||||
extern void RTC_DisableIt(unsigned int sources);
|
||||
|
||||
extern int RTC_SetTime(
|
||||
unsigned char hour,
|
||||
unsigned char minute,
|
||||
unsigned char second);
|
||||
|
||||
extern void RTC_GetTime(
|
||||
unsigned char *pHour,
|
||||
unsigned char *pMinute,
|
||||
unsigned char *pSecond);
|
||||
|
||||
extern int RTC_SetTimeAlarm(
|
||||
unsigned char *pHour,
|
||||
unsigned char *pMinute,
|
||||
unsigned char *pSecond);
|
||||
|
||||
void RTC_GetDate(
|
||||
unsigned short *pYear,
|
||||
unsigned char *pMonth,
|
||||
unsigned char *pDay,
|
||||
unsigned char *pWeek);
|
||||
|
||||
extern int RTC_SetDate(
|
||||
unsigned short year,
|
||||
unsigned char month,
|
||||
unsigned char day,
|
||||
unsigned char week);
|
||||
|
||||
extern int RTC_SetDateAlarm(unsigned char *pMonth, unsigned char *pDay);
|
||||
|
||||
extern void RTC_ClearSCCR(unsigned int mask);
|
||||
|
||||
extern unsigned int RTC_GetSR(unsigned int mask);
|
||||
#endif //#ifndef RTC_H
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue