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Diffstat (limited to 'os/hal/platforms/LPC122x/rtc_lld.c')
-rw-r--r--os/hal/platforms/LPC122x/rtc_lld.c259
1 files changed, 0 insertions, 259 deletions
diff --git a/os/hal/platforms/LPC122x/rtc_lld.c b/os/hal/platforms/LPC122x/rtc_lld.c
deleted file mode 100644
index ad1a15f80..000000000
--- a/os/hal/platforms/LPC122x/rtc_lld.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
- LPC122x 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 LPC122x/rtc_lld.c
- * @brief LPC122x 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. */
-/*===========================================================================*/
-
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/**
- * @brief RTC interrupt handler.
- *
- * @isr
- */
-
-#if LPC122x_RTC_USE_ALARM || defined(__DOXYGEN__)
-CH_IRQ_HANDLER(VectorB8) {
- uint32_t flag;
-
- CH_IRQ_PROLOGUE();
-
- flag = LPC_RTC->RIS;
- LPC_RTC->ICR = flag; /* Clear interrupt flag */
-
- if ((flag & RIS_RTCRIS) && (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) {
- uint32_t temp[2];
-
- if(LPC_SYSCON->SYSRESSTAT & 0x1) { /* POR detected */
-
- LPC_SYSCON->SYSAHBCLKCTRL &= ~(1UL << 19); /* Disable clock for RTC */
- LPC_PMU->SYSCFG &= ~(0x0FUL << 11); /* Clear RTC clock source */
- LPC_SYSCON->RTCCLKDIV = LPC122x_RTC_CLKDIV;
- LPC_PMU->SYSCFG |= (LPC122x_RTCCLK << 11); /* Set RTC clock source */
- LPC_SYSCON->SYSAHBCLKCTRL |= (1UL << 19); /* Enable clock for RTC registers*/
- LPC_RTC->ICR = 0x01; /* Clear interrupt flag */
- LPC_RTC->CR= 1; /* Enable RTC start */
- LPC_SYSCON->SYSRESSTAT = 0x1; /* Clear POR flag */
-
- while(LPC_RTC->DR <3 ) { /* Wait, data read not valid */
- __NOP();
- }
- }
- else {
-
- LPC_SYSCON->SYSAHBCLKCTRL |= (1UL << 19); /* Enable clock for RTC registers*/
-
- do {
- temp[0] = LPC_RTC->DR;
- temp[1] = LPC_RTC->DR;
- } while(temp[0] == temp[1]);
-
-#if LPC122x_RTC_USE_ALARM
- if (temp[1] >= LPC_RTC->MR) { /* Check for match event in software, handle if found */
- CH_IRQ_HANDLER(VectorB8); /* Manually invoke ISR */
- }
-#endif
-
- }
-
-#if LPC122x_RTC_USE_ALARM
- nvicEnableVector(RTC_IRQn, CORTEX_PRIORITY_MASK(LPC122x_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;
-
- LPC_RTC->LR = timespec->tv_sec;
-}
-
-/**
- * @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->tv_sec = LPC_RTC->DR;
-}
-
-/**
- * @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->MR = alarmspec->tv_sec;
-
-}
-
-/**
- * @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->tv_sec = LPC_RTC->MR;
-
-}
-
-/**
- * @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->ICR = 0x01; /* Clear interrupt flag */
-
- if (callback != NULL) {
-
- /* IRQ sources enabled only after setting up the callback.*/
- rtcp->callback = callback;
- LPC_RTC->ICSC = ICSC_RTCCIC; /* Enable RTC interrupt */
- }
- else {
-
- LPC_RTC->ICSC = 0; /* Disable RTC interrupt */
-
- /* 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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