diff options
Diffstat (limited to 'os/hal/platforms/LPC17xx/rtc_lld.c')
| -rw-r--r-- | os/hal/platforms/LPC17xx/rtc_lld.c | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/os/hal/platforms/LPC17xx/rtc_lld.c b/os/hal/platforms/LPC17xx/rtc_lld.c deleted file mode 100644 index 7fffe4e36..000000000 --- a/os/hal/platforms/LPC17xx/rtc_lld.c +++ /dev/null @@ -1,290 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
- LPC17xx RTC driver - Copyright (C) 2013 Marcin Jokel
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-*/
-/*
- Concepts and parts of this file have been contributed by Uladzimir Pylinsky
- aka barthess.
- */
-
-/**
- * @file LPC17xx/rtc_lld.c
- * @brief LPC17xx RTC low level driver.
- *
- * @addtogroup RTC
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_RTC || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/**
- * @brief RTC driver identifier.
- */
-RTCDriver RTCD1;
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/**
- * @brief Enable RTC clock.
- */
-#define _rtc_clk_enable() \
- LPC_RTC->CCR |= CCR_CLKEN
-
-/**
- * @brief Disable RTC clock.
- */
-#define _rtc_clk_disable() \
- LPC_RTC->CCR &= ~CCR_CLKEN
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/**
- * @brief RTC interrupt handler.
- *
- * @isr
- */
-
-#if LPC17xx_RTC_USE_ALARM || defined(__DOXYGEN__)
-CH_IRQ_HANDLER(Vector84) {
- uint32_t status;
-
- CH_IRQ_PROLOGUE();
-
- status = LPC_RTC->ILR;
- LPC_RTC->ILR = status; /* Clear interrupt flag */
-
- if ((status & ILR_RTCALF) && (RTCD1.callback != NULL))
- RTCD1.callback(&RTCD1, RTC_EVENT_ALARM);
-
- CH_IRQ_EPILOGUE();
-}
-#endif
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief Enable access to registers.
- *
- * @api
- */
-void rtc_lld_init(void) {
-
- if(LPC_RTC->RTC_AUX & RTC_AUX_RTC_OSCF) { /* Set after RTC power was first turn. */
-
- LPC_RTC->CCR = CCR_CCALEN; /* Disable calibration and RTC clock. */
- LPC_RTC->CALIBRATION = 0;
- LPC_RTC->RTC_AUX = RTC_AUX_RTC_OSCF; /* Clear RTC Oscillator Fail detect flag. */
-
- LPC_RTC->CIIR = 0; /* Disable Counter Increment Interrupt. */
- LPC_RTC->AMR = AMR_MASK_ALL; /* Mask alarm interrupt. */
- LPC_RTC->ILR = ILR_RTCALF | ILR_RTCCIF; /* Clear interrupt flags. */
-
- /* Set date to Saturday 01.01.2000 00:00:00 */
- LPC_RTC->SEC = 0;
- LPC_RTC->MIN = 0;
- LPC_RTC->HOUR = 0;
- LPC_RTC->DOM = 1;
- LPC_RTC->MONTH = 1;
- LPC_RTC->YEAR = 2000;
- LPC_RTC->DOW = 6;
- LPC_RTC->DOY = 1;
-
- _rtc_clk_enable(); /* Enable RTC clock. */
- }
-
-#if LPC17xx_RTC_USE_ALARM
- nvicEnableVector(RTC_IRQn, CORTEX_PRIORITY_MASK(LPC17xx_RTC_IRQ_PRIORITY));
-#endif
- return;
-}
-
-/**
- * @brief Set current time.
- * @note Fractional part will be silently ignored. There is no possibility
- * to set it on STM32 platform.
- *
- * @param[in] rtcp pointer to RTC driver structure
- * @param[in] timespec pointer to a @p RTCTime structure
- *
- * @api
- */
-void rtc_lld_set_time(RTCDriver *rtcp, const RTCTime *timespec) {
- (void)rtcp;
-
- _rtc_clk_disable(); /* Disable RTC clock. */
- LPC_RTC->SEC = timespec->sec;
- LPC_RTC->MIN = timespec->min;
- LPC_RTC->HOUR = timespec->hour;
- LPC_RTC->DOM = timespec->dom;
- LPC_RTC->MONTH = timespec->month;
- LPC_RTC->YEAR = timespec->year;
- LPC_RTC->DOW = timespec->dow;
- LPC_RTC->DOY = timespec->doy;
- _rtc_clk_enable(); /* Enable RTC clock. */
-
-}
-
-/**
- * @brief Get current time.
- *
- * @param[in] rtcp pointer to RTC driver structure
- * @param[out] timespec pointer to a @p RTCTime structure
- *
- * @api
- */
-void rtc_lld_get_time(RTCDriver *rtcp, RTCTime *timespec) {
- (void)rtcp;
-
- timespec->sec = LPC_RTC->SEC;
- timespec->min = LPC_RTC->MIN;
- timespec->hour = LPC_RTC->HOUR;
- timespec->dom = LPC_RTC->DOM;
- timespec->month = LPC_RTC->MONTH;
- timespec->year = LPC_RTC->YEAR;
- timespec->dow = LPC_RTC->DOW;
- timespec->doy = LPC_RTC->DOY;
-}
-
-/**
- * @brief Set alarm time.
- *
- * @note Default value after BKP domain reset for both comparators is 0.
- * @note Function does not performs any checks of alarm time validity.
- *
- * @param[in] rtcp Pointer to RTC driver structure.
- * @param[in] alarm Alarm identifier. Can be 1 or 2.
- * @param[in] alarmspec Pointer to a @p RTCAlarm structure.
- *
- * @api
- */
-void rtc_lld_set_alarm(RTCDriver *rtcp,
- rtcalarm_t alarm,
- const RTCAlarm *alarmspec) {
- (void)rtcp;
- (void)alarm;
- LPC_RTC->ALSEC = alarmspec->alsec;
- LPC_RTC->ALMIN = alarmspec->almin;
- LPC_RTC->ALHOUR = alarmspec->alhour;
- LPC_RTC->ALDOM = alarmspec->aldom;
- LPC_RTC->ALMON = alarmspec->almonth;
- LPC_RTC->ALYEAR = alarmspec->alyear;
- LPC_RTC->ALDOW = alarmspec->aldow;
- LPC_RTC->ALDOY = alarmspec->aldoy;
-
-}
-
-/**
- * @brief Get alarm time.
- *
- * @param[in] rtcp pointer to RTC driver structure
- * @param[in] alarm alarm identifier
- * @param[out] alarmspec pointer to a @p RTCAlarm structure
- *
- * @api
- */
-void rtc_lld_get_alarm(RTCDriver *rtcp,
- rtcalarm_t alarm,
- RTCAlarm *alarmspec) {
- (void)rtcp;
- (void)alarm;
- alarmspec->alsec = LPC_RTC->ALSEC;
- alarmspec->almin = LPC_RTC->ALMIN;
- alarmspec->alhour = LPC_RTC->ALHOUR;
- alarmspec->aldom = LPC_RTC->ALDOM;
- alarmspec->almonth = LPC_RTC->ALMON;
- alarmspec->alyear = LPC_RTC->ALYEAR;
- alarmspec->aldow = LPC_RTC->ALDOW;
- alarmspec->aldoy = LPC_RTC->ALDOY;
-
-}
-
-/**
- * @brief Enables or disables RTC callbacks.
- * @details This function enables or disables callbacks, use a @p NULL pointer
- * in order to disable a callback.
- *
- * @param[in] rtcp pointer to RTC driver structure
- * @param[in] callback callback function pointer or @p NULL
- *
- * @notapi
- */
-void rtc_lld_set_callback(RTCDriver *rtcp, rtccb_t callback) {
-
- LPC_RTC->AMR = AMR_MASK_ALL; /* Mask alarm interrupt. */
- LPC_RTC->ILR = ILR_RTCALF; /* Clear interrupt flag. */
-
- if (callback != NULL) {
-
- /* IRQ sources enabled only after setting up the callback.*/
- rtcp->callback = callback;
- LPC_RTC->AMR = 0; /* Enable alarm interrupt. */
- }
- else {
-
- /* Callback set to NULL only after disabling the IRQ sources.*/
- rtcp->callback = NULL;
- }
-}
-
-#include "chrtclib.h"
-
-/**
- * @brief Get current time in format suitable for usage in FatFS.
- *
- * @param[in] rtcp pointer to RTC driver structure
- * @return FAT time value.
- *
- * @api
- */
-uint32_t rtc_lld_get_time_fat(RTCDriver *rtcp) {
- uint32_t fattime;
- struct tm timp;
-
- rtcGetTimeTm(rtcp, &timp);
-
- fattime = (timp.tm_sec) >> 1;
- fattime |= (timp.tm_min) << 5;
- fattime |= (timp.tm_hour) << 11;
- fattime |= (timp.tm_mday) << 16;
- fattime |= (timp.tm_mon + 1) << 21;
- fattime |= (timp.tm_year - 80) << 25;
-
- return fattime;
-}
-
-#endif /* HAL_USE_RTC */
-
-/** @} */
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