Amit Gandhi
t
Fork of
mbed-dev
by 
mbed official
targets/TARGET_Atmel/TARGET_SAM_CortexM4/drivers/rtc/rtc.c@149:156823d33999, 2016-10-28 (annotated)
- Committer:
- <>
- Date:
- Fri Oct 28 11:17:30 2016 +0100
- Revision:
- 149:156823d33999
- Parent:
- targets/hal/TARGET_Atmel/TARGET_SAM_CortexM4/drivers/rtc/rtc.c@107:414e9c822e99
This updates the lib to the mbed lib v128
NOTE: This release includes a restructuring of the file and directory locations and thus some
include paths in your code may need updating accordingly.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| mbed_official | 107:414e9c822e99 | 1 | /** |
| mbed_official | 107:414e9c822e99 | 2 | * \file |
| mbed_official | 107:414e9c822e99 | 3 | * |
| mbed_official | 107:414e9c822e99 | 4 | * \brief Real-Time Clock (RTC) driver for SAM. |
| mbed_official | 107:414e9c822e99 | 5 | * |
| mbed_official | 107:414e9c822e99 | 6 | * Copyright (c) 2011-2015 Atmel Corporation. All rights reserved. |
| mbed_official | 107:414e9c822e99 | 7 | * |
| mbed_official | 107:414e9c822e99 | 8 | * \asf_license_start |
| mbed_official | 107:414e9c822e99 | 9 | * |
| mbed_official | 107:414e9c822e99 | 10 | * \page License |
| mbed_official | 107:414e9c822e99 | 11 | * |
| mbed_official | 107:414e9c822e99 | 12 | * Redistribution and use in source and binary forms, with or without |
| mbed_official | 107:414e9c822e99 | 13 | * modification, are permitted provided that the following conditions are met: |
| mbed_official | 107:414e9c822e99 | 14 | * |
| mbed_official | 107:414e9c822e99 | 15 | * 1. Redistributions of source code must retain the above copyright notice, |
| mbed_official | 107:414e9c822e99 | 16 | * this list of conditions and the following disclaimer. |
| mbed_official | 107:414e9c822e99 | 17 | * |
| mbed_official | 107:414e9c822e99 | 18 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| mbed_official | 107:414e9c822e99 | 19 | * this list of conditions and the following disclaimer in the documentation |
| mbed_official | 107:414e9c822e99 | 20 | * and/or other materials provided with the distribution. |
| mbed_official | 107:414e9c822e99 | 21 | * |
| mbed_official | 107:414e9c822e99 | 22 | * 3. The name of Atmel may not be used to endorse or promote products derived |
| mbed_official | 107:414e9c822e99 | 23 | * from this software without specific prior written permission. |
| mbed_official | 107:414e9c822e99 | 24 | * |
| mbed_official | 107:414e9c822e99 | 25 | * 4. This software may only be redistributed and used in connection with an |
| mbed_official | 107:414e9c822e99 | 26 | * Atmel microcontroller product. |
| mbed_official | 107:414e9c822e99 | 27 | * |
| mbed_official | 107:414e9c822e99 | 28 | * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED |
| mbed_official | 107:414e9c822e99 | 29 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| mbed_official | 107:414e9c822e99 | 30 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE |
| mbed_official | 107:414e9c822e99 | 31 | * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR |
| mbed_official | 107:414e9c822e99 | 32 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| mbed_official | 107:414e9c822e99 | 33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| mbed_official | 107:414e9c822e99 | 34 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| mbed_official | 107:414e9c822e99 | 35 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| mbed_official | 107:414e9c822e99 | 36 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| mbed_official | 107:414e9c822e99 | 37 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| mbed_official | 107:414e9c822e99 | 38 | * POSSIBILITY OF SUCH DAMAGE. |
| mbed_official | 107:414e9c822e99 | 39 | * |
| mbed_official | 107:414e9c822e99 | 40 | * \asf_license_stop |
| mbed_official | 107:414e9c822e99 | 41 | * |
| mbed_official | 107:414e9c822e99 | 42 | */ |
| mbed_official | 107:414e9c822e99 | 43 | /* |
| mbed_official | 107:414e9c822e99 | 44 | * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> |
| mbed_official | 107:414e9c822e99 | 45 | */ |
| mbed_official | 107:414e9c822e99 | 46 | |
| mbed_official | 107:414e9c822e99 | 47 | #include "rtc.h" |
| mbed_official | 107:414e9c822e99 | 48 | |
| mbed_official | 107:414e9c822e99 | 49 | /// @cond 0 |
| mbed_official | 107:414e9c822e99 | 50 | /**INDENT-OFF**/ |
| mbed_official | 107:414e9c822e99 | 51 | #ifdef __cplusplus |
| mbed_official | 107:414e9c822e99 | 52 | extern "C" { |
| mbed_official | 107:414e9c822e99 | 53 | #endif |
| mbed_official | 107:414e9c822e99 | 54 | /**INDENT-ON**/ |
| mbed_official | 107:414e9c822e99 | 55 | /// @endcond |
| mbed_official | 107:414e9c822e99 | 56 | |
| mbed_official | 107:414e9c822e99 | 57 | /** |
| mbed_official | 107:414e9c822e99 | 58 | * \defgroup sam_drivers_rtc_group Real-Time Clock (RTC) |
| mbed_official | 107:414e9c822e99 | 59 | * |
| mbed_official | 107:414e9c822e99 | 60 | * See \ref sam_rtc_quickstart. |
| mbed_official | 107:414e9c822e99 | 61 | * |
| mbed_official | 107:414e9c822e99 | 62 | * The RTC provides a full binary-coded decimal (BCD) clock that includes |
| mbed_official | 107:414e9c822e99 | 63 | * century (19/20), year (with leap years), month, date, day, hour, minute |
| mbed_official | 107:414e9c822e99 | 64 | * and second. |
| mbed_official | 107:414e9c822e99 | 65 | * |
| mbed_official | 107:414e9c822e99 | 66 | * @{ |
| mbed_official | 107:414e9c822e99 | 67 | */ |
| mbed_official | 107:414e9c822e99 | 68 | |
| mbed_official | 107:414e9c822e99 | 69 | /* RTC Write Protect Key "RTC" in ASCII */ |
| mbed_official | 107:414e9c822e99 | 70 | #define RTC_WP_KEY (0x525443) |
| mbed_official | 107:414e9c822e99 | 71 | |
| mbed_official | 107:414e9c822e99 | 72 | /* The BCD code shift value */ |
| mbed_official | 107:414e9c822e99 | 73 | #define BCD_SHIFT 4 |
| mbed_official | 107:414e9c822e99 | 74 | |
| mbed_official | 107:414e9c822e99 | 75 | /* The BCD code mask value */ |
| mbed_official | 107:414e9c822e99 | 76 | #define BCD_MASK 0xfu |
| mbed_official | 107:414e9c822e99 | 77 | |
| mbed_official | 107:414e9c822e99 | 78 | /* The BCD mul/div factor value */ |
| mbed_official | 107:414e9c822e99 | 79 | #define BCD_FACTOR 10 |
| mbed_official | 107:414e9c822e99 | 80 | |
| mbed_official | 107:414e9c822e99 | 81 | /** |
| mbed_official | 107:414e9c822e99 | 82 | * \brief Set the RTC hour mode. |
| mbed_official | 107:414e9c822e99 | 83 | * |
| mbed_official | 107:414e9c822e99 | 84 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 85 | * \param ul_mode 1 for 12-hour mode, 0 for 24-hour mode. |
| mbed_official | 107:414e9c822e99 | 86 | */ |
| mbed_official | 107:414e9c822e99 | 87 | void rtc_set_hour_mode(Rtc *p_rtc, uint32_t ul_mode) |
| mbed_official | 107:414e9c822e99 | 88 | { |
| mbed_official | 107:414e9c822e99 | 89 | if (ul_mode) { |
| mbed_official | 107:414e9c822e99 | 90 | p_rtc->RTC_MR |= RTC_MR_HRMOD; |
| mbed_official | 107:414e9c822e99 | 91 | } else { |
| mbed_official | 107:414e9c822e99 | 92 | p_rtc->RTC_MR &= (~RTC_MR_HRMOD); |
| mbed_official | 107:414e9c822e99 | 93 | } |
| mbed_official | 107:414e9c822e99 | 94 | } |
| mbed_official | 107:414e9c822e99 | 95 | |
| mbed_official | 107:414e9c822e99 | 96 | /** |
| mbed_official | 107:414e9c822e99 | 97 | * \brief Get the RTC hour mode. |
| mbed_official | 107:414e9c822e99 | 98 | * |
| mbed_official | 107:414e9c822e99 | 99 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 100 | * |
| mbed_official | 107:414e9c822e99 | 101 | * \return 1 for 12-hour mode, 0 for 24-hour mode. |
| mbed_official | 107:414e9c822e99 | 102 | */ |
| mbed_official | 107:414e9c822e99 | 103 | uint32_t rtc_get_hour_mode(Rtc *p_rtc) |
| mbed_official | 107:414e9c822e99 | 104 | { |
| mbed_official | 107:414e9c822e99 | 105 | uint32_t ul_temp = p_rtc->RTC_MR; |
| mbed_official | 107:414e9c822e99 | 106 | |
| mbed_official | 107:414e9c822e99 | 107 | if (ul_temp & RTC_MR_HRMOD) { |
| mbed_official | 107:414e9c822e99 | 108 | return 1; |
| mbed_official | 107:414e9c822e99 | 109 | } else { |
| mbed_official | 107:414e9c822e99 | 110 | return 0; |
| mbed_official | 107:414e9c822e99 | 111 | } |
| mbed_official | 107:414e9c822e99 | 112 | } |
| mbed_official | 107:414e9c822e99 | 113 | |
| mbed_official | 107:414e9c822e99 | 114 | /** |
| mbed_official | 107:414e9c822e99 | 115 | * \brief Enable RTC interrupts. |
| mbed_official | 107:414e9c822e99 | 116 | * |
| mbed_official | 107:414e9c822e99 | 117 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 118 | * \param ul_sources Interrupts to be enabled. |
| mbed_official | 107:414e9c822e99 | 119 | */ |
| mbed_official | 107:414e9c822e99 | 120 | void rtc_enable_interrupt(Rtc *p_rtc, uint32_t ul_sources) |
| mbed_official | 107:414e9c822e99 | 121 | { |
| mbed_official | 107:414e9c822e99 | 122 | p_rtc->RTC_IER = ul_sources; |
| mbed_official | 107:414e9c822e99 | 123 | } |
| mbed_official | 107:414e9c822e99 | 124 | |
| mbed_official | 107:414e9c822e99 | 125 | /** |
| mbed_official | 107:414e9c822e99 | 126 | * \brief Disable RTC interrupts. |
| mbed_official | 107:414e9c822e99 | 127 | * |
| mbed_official | 107:414e9c822e99 | 128 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 129 | * \param ul_sources Interrupts to be disabled. |
| mbed_official | 107:414e9c822e99 | 130 | */ |
| mbed_official | 107:414e9c822e99 | 131 | void rtc_disable_interrupt(Rtc *p_rtc, uint32_t ul_sources) |
| mbed_official | 107:414e9c822e99 | 132 | { |
| mbed_official | 107:414e9c822e99 | 133 | p_rtc->RTC_IDR = ul_sources; |
| mbed_official | 107:414e9c822e99 | 134 | } |
| mbed_official | 107:414e9c822e99 | 135 | |
| mbed_official | 107:414e9c822e99 | 136 | /** |
| mbed_official | 107:414e9c822e99 | 137 | * \brief Read RTC interrupt mask. |
| mbed_official | 107:414e9c822e99 | 138 | * |
| mbed_official | 107:414e9c822e99 | 139 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 140 | * |
| mbed_official | 107:414e9c822e99 | 141 | * \return The interrupt mask value. |
| mbed_official | 107:414e9c822e99 | 142 | */ |
| mbed_official | 107:414e9c822e99 | 143 | uint32_t rtc_get_interrupt_mask(Rtc *p_rtc) |
| mbed_official | 107:414e9c822e99 | 144 | { |
| mbed_official | 107:414e9c822e99 | 145 | return p_rtc->RTC_IMR; |
| mbed_official | 107:414e9c822e99 | 146 | } |
| mbed_official | 107:414e9c822e99 | 147 | |
| mbed_official | 107:414e9c822e99 | 148 | /** |
| mbed_official | 107:414e9c822e99 | 149 | * \brief Get the RTC time value. |
| mbed_official | 107:414e9c822e99 | 150 | * |
| mbed_official | 107:414e9c822e99 | 151 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 152 | * \param pul_hour Current hour, 24-hour mode. |
| mbed_official | 107:414e9c822e99 | 153 | * \param pul_minute Current minute. |
| mbed_official | 107:414e9c822e99 | 154 | * \param pul_second Current second. |
| mbed_official | 107:414e9c822e99 | 155 | */ |
| mbed_official | 107:414e9c822e99 | 156 | void rtc_get_time(Rtc *p_rtc, uint32_t *pul_hour, uint32_t *pul_minute, |
| mbed_official | 107:414e9c822e99 | 157 | uint32_t *pul_second) |
| mbed_official | 107:414e9c822e99 | 158 | { |
| mbed_official | 107:414e9c822e99 | 159 | uint32_t ul_time; |
| mbed_official | 107:414e9c822e99 | 160 | uint32_t ul_temp; |
| mbed_official | 107:414e9c822e99 | 161 | |
| mbed_official | 107:414e9c822e99 | 162 | /* Get the current RTC time (multiple reads are necessary to insure a stable value). */ |
| mbed_official | 107:414e9c822e99 | 163 | ul_time = p_rtc->RTC_TIMR; |
| mbed_official | 107:414e9c822e99 | 164 | while (ul_time != p_rtc->RTC_TIMR) { |
| mbed_official | 107:414e9c822e99 | 165 | ul_time = p_rtc->RTC_TIMR; |
| mbed_official | 107:414e9c822e99 | 166 | } |
| mbed_official | 107:414e9c822e99 | 167 | |
| mbed_official | 107:414e9c822e99 | 168 | /* Hour */ |
| mbed_official | 107:414e9c822e99 | 169 | if (pul_hour) { |
| mbed_official | 107:414e9c822e99 | 170 | ul_temp = (ul_time & RTC_TIMR_HOUR_Msk) >> RTC_TIMR_HOUR_Pos; |
| mbed_official | 107:414e9c822e99 | 171 | *pul_hour = (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 172 | |
| mbed_official | 107:414e9c822e99 | 173 | if ((ul_time & RTC_TIMR_AMPM) == RTC_TIMR_AMPM) { |
| mbed_official | 107:414e9c822e99 | 174 | *pul_hour += 12; |
| mbed_official | 107:414e9c822e99 | 175 | } |
| mbed_official | 107:414e9c822e99 | 176 | } |
| mbed_official | 107:414e9c822e99 | 177 | |
| mbed_official | 107:414e9c822e99 | 178 | /* Minute */ |
| mbed_official | 107:414e9c822e99 | 179 | if (pul_minute) { |
| mbed_official | 107:414e9c822e99 | 180 | ul_temp = (ul_time & RTC_TIMR_MIN_Msk) >> RTC_TIMR_MIN_Pos; |
| mbed_official | 107:414e9c822e99 | 181 | *pul_minute = (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 182 | } |
| mbed_official | 107:414e9c822e99 | 183 | |
| mbed_official | 107:414e9c822e99 | 184 | /* Second */ |
| mbed_official | 107:414e9c822e99 | 185 | if (pul_second) { |
| mbed_official | 107:414e9c822e99 | 186 | ul_temp = (ul_time & RTC_TIMR_SEC_Msk) >> RTC_TIMR_SEC_Pos; |
| mbed_official | 107:414e9c822e99 | 187 | *pul_second = (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 188 | } |
| mbed_official | 107:414e9c822e99 | 189 | } |
| mbed_official | 107:414e9c822e99 | 190 | |
| mbed_official | 107:414e9c822e99 | 191 | /** |
| mbed_official | 107:414e9c822e99 | 192 | * \brief Set the RTC time value. |
| mbed_official | 107:414e9c822e99 | 193 | * |
| mbed_official | 107:414e9c822e99 | 194 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 195 | * \param ul_hour Current hour, 24-hour mode. |
| mbed_official | 107:414e9c822e99 | 196 | * \param ul_minute Current minute. |
| mbed_official | 107:414e9c822e99 | 197 | * \param ul_second Current second. |
| mbed_official | 107:414e9c822e99 | 198 | * |
| mbed_official | 107:414e9c822e99 | 199 | * \return 0 for OK, else invalid setting. |
| mbed_official | 107:414e9c822e99 | 200 | */ |
| mbed_official | 107:414e9c822e99 | 201 | uint32_t rtc_set_time(Rtc *p_rtc, uint32_t ul_hour, uint32_t ul_minute, |
| mbed_official | 107:414e9c822e99 | 202 | uint32_t ul_second) |
| mbed_official | 107:414e9c822e99 | 203 | { |
| mbed_official | 107:414e9c822e99 | 204 | uint32_t ul_time = 0; |
| mbed_official | 107:414e9c822e99 | 205 | |
| mbed_official | 107:414e9c822e99 | 206 | /* If 12-hour mode, set AMPM bit */ |
| mbed_official | 107:414e9c822e99 | 207 | if ((p_rtc->RTC_MR & RTC_MR_HRMOD) == RTC_MR_HRMOD) { |
| mbed_official | 107:414e9c822e99 | 208 | if (ul_hour > 12) { |
| mbed_official | 107:414e9c822e99 | 209 | ul_hour -= 12; |
| mbed_official | 107:414e9c822e99 | 210 | ul_time |= RTC_TIMR_AMPM; |
| mbed_official | 107:414e9c822e99 | 211 | } |
| mbed_official | 107:414e9c822e99 | 212 | } |
| mbed_official | 107:414e9c822e99 | 213 | |
| mbed_official | 107:414e9c822e99 | 214 | /* Hour */ |
| mbed_official | 107:414e9c822e99 | 215 | ul_time |= ((ul_hour / BCD_FACTOR) << (RTC_TIMR_HOUR_Pos + BCD_SHIFT)) | |
| mbed_official | 107:414e9c822e99 | 216 | ((ul_hour % BCD_FACTOR) << RTC_TIMR_HOUR_Pos); |
| mbed_official | 107:414e9c822e99 | 217 | |
| mbed_official | 107:414e9c822e99 | 218 | /* Minute */ |
| mbed_official | 107:414e9c822e99 | 219 | ul_time |= ((ul_minute / BCD_FACTOR) << (RTC_TIMR_MIN_Pos + BCD_SHIFT)) | |
| mbed_official | 107:414e9c822e99 | 220 | ((ul_minute % BCD_FACTOR) << RTC_TIMR_MIN_Pos); |
| mbed_official | 107:414e9c822e99 | 221 | |
| mbed_official | 107:414e9c822e99 | 222 | /* Second */ |
| mbed_official | 107:414e9c822e99 | 223 | ul_time |= ((ul_second / BCD_FACTOR) << (RTC_TIMR_SEC_Pos + BCD_SHIFT)) | |
| mbed_official | 107:414e9c822e99 | 224 | ((ul_second % BCD_FACTOR) << RTC_TIMR_SEC_Pos); |
| mbed_official | 107:414e9c822e99 | 225 | |
| mbed_official | 107:414e9c822e99 | 226 | /* Update time register. Check the spec for the flow. */ |
| mbed_official | 107:414e9c822e99 | 227 | p_rtc->RTC_CR |= RTC_CR_UPDTIM; |
| mbed_official | 107:414e9c822e99 | 228 | while ((p_rtc->RTC_SR & RTC_SR_ACKUPD) != RTC_SR_ACKUPD); |
| mbed_official | 107:414e9c822e99 | 229 | p_rtc->RTC_SCCR = RTC_SCCR_ACKCLR; |
| mbed_official | 107:414e9c822e99 | 230 | p_rtc->RTC_TIMR = ul_time; |
| mbed_official | 107:414e9c822e99 | 231 | p_rtc->RTC_CR &= (~RTC_CR_UPDTIM); |
| mbed_official | 107:414e9c822e99 | 232 | p_rtc->RTC_SCCR |= RTC_SCCR_SECCLR; |
| mbed_official | 107:414e9c822e99 | 233 | |
| mbed_official | 107:414e9c822e99 | 234 | return (p_rtc->RTC_VER & RTC_VER_NVTIM); |
| mbed_official | 107:414e9c822e99 | 235 | } |
| mbed_official | 107:414e9c822e99 | 236 | |
| mbed_official | 107:414e9c822e99 | 237 | /** |
| mbed_official | 107:414e9c822e99 | 238 | * \brief Set the RTC alarm time value. |
| mbed_official | 107:414e9c822e99 | 239 | * |
| mbed_official | 107:414e9c822e99 | 240 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 241 | * \param ul_hour_flag 1 for setting, 0 for not setting. |
| mbed_official | 107:414e9c822e99 | 242 | * \param ul_hour Alarm hour value, 24-hour mode. |
| mbed_official | 107:414e9c822e99 | 243 | * \param ul_minute_flag 1 for setting, 0 for not setting. |
| mbed_official | 107:414e9c822e99 | 244 | * \param ul_minute Alarm minute value. |
| mbed_official | 107:414e9c822e99 | 245 | * \param ul_second_flag 1 for setting, 0 for not setting. |
| mbed_official | 107:414e9c822e99 | 246 | * \param ul_second Alarm second value. |
| mbed_official | 107:414e9c822e99 | 247 | * |
| mbed_official | 107:414e9c822e99 | 248 | * \return 0 for OK, else invalid setting. |
| mbed_official | 107:414e9c822e99 | 249 | */ |
| mbed_official | 107:414e9c822e99 | 250 | uint32_t rtc_set_time_alarm(Rtc *p_rtc, |
| mbed_official | 107:414e9c822e99 | 251 | uint32_t ul_hour_flag, uint32_t ul_hour, |
| mbed_official | 107:414e9c822e99 | 252 | uint32_t ul_minute_flag, uint32_t ul_minute, |
| mbed_official | 107:414e9c822e99 | 253 | uint32_t ul_second_flag, uint32_t ul_second) |
| mbed_official | 107:414e9c822e99 | 254 | { |
| mbed_official | 107:414e9c822e99 | 255 | uint32_t ul_alarm = 0; |
| mbed_official | 107:414e9c822e99 | 256 | |
| mbed_official | 107:414e9c822e99 | 257 | /* Hour alarm setting */ |
| mbed_official | 107:414e9c822e99 | 258 | if (ul_hour_flag) { |
| mbed_official | 107:414e9c822e99 | 259 | /* If 12-hour mode, set AMPM bit */ |
| mbed_official | 107:414e9c822e99 | 260 | if ((p_rtc->RTC_MR & RTC_MR_HRMOD) == RTC_MR_HRMOD) { |
| mbed_official | 107:414e9c822e99 | 261 | if (ul_hour > 12) { |
| mbed_official | 107:414e9c822e99 | 262 | ul_hour -= 12; |
| mbed_official | 107:414e9c822e99 | 263 | ul_alarm |= RTC_TIMR_AMPM; |
| mbed_official | 107:414e9c822e99 | 264 | } |
| mbed_official | 107:414e9c822e99 | 265 | } |
| mbed_official | 107:414e9c822e99 | 266 | |
| mbed_official | 107:414e9c822e99 | 267 | ul_alarm |= ((ul_hour / BCD_FACTOR) << (RTC_TIMR_HOUR_Pos + BCD_SHIFT)) | |
| mbed_official | 107:414e9c822e99 | 268 | ((ul_hour % BCD_FACTOR) << RTC_TIMR_HOUR_Pos); |
| mbed_official | 107:414e9c822e99 | 269 | } |
| mbed_official | 107:414e9c822e99 | 270 | |
| mbed_official | 107:414e9c822e99 | 271 | /* Minute alarm setting */ |
| mbed_official | 107:414e9c822e99 | 272 | if (ul_minute_flag) { |
| mbed_official | 107:414e9c822e99 | 273 | ul_alarm |= ((ul_minute / BCD_FACTOR) << (RTC_TIMR_MIN_Pos + BCD_SHIFT)) | |
| mbed_official | 107:414e9c822e99 | 274 | ((ul_minute % BCD_FACTOR) << RTC_TIMR_MIN_Pos); |
| mbed_official | 107:414e9c822e99 | 275 | } |
| mbed_official | 107:414e9c822e99 | 276 | |
| mbed_official | 107:414e9c822e99 | 277 | /* Second alarm setting */ |
| mbed_official | 107:414e9c822e99 | 278 | if (ul_second_flag) { |
| mbed_official | 107:414e9c822e99 | 279 | ul_alarm |= ((ul_second / BCD_FACTOR) << (RTC_TIMR_SEC_Pos + BCD_SHIFT)) | |
| mbed_official | 107:414e9c822e99 | 280 | ((ul_second % BCD_FACTOR) << RTC_TIMR_SEC_Pos); |
| mbed_official | 107:414e9c822e99 | 281 | } |
| mbed_official | 107:414e9c822e99 | 282 | |
| mbed_official | 107:414e9c822e99 | 283 | p_rtc->RTC_TIMALR &= ~(RTC_TIMALR_SECEN | RTC_TIMALR_MINEN | RTC_TIMALR_HOUREN); |
| mbed_official | 107:414e9c822e99 | 284 | p_rtc->RTC_TIMALR = ul_alarm; |
| mbed_official | 107:414e9c822e99 | 285 | p_rtc->RTC_TIMALR |= (RTC_TIMALR_SECEN | RTC_TIMALR_MINEN | RTC_TIMALR_HOUREN); |
| mbed_official | 107:414e9c822e99 | 286 | |
| mbed_official | 107:414e9c822e99 | 287 | return (p_rtc->RTC_VER & RTC_VER_NVTIMALR); |
| mbed_official | 107:414e9c822e99 | 288 | } |
| mbed_official | 107:414e9c822e99 | 289 | |
| mbed_official | 107:414e9c822e99 | 290 | /** |
| mbed_official | 107:414e9c822e99 | 291 | * \brief Get the RTC date value. |
| mbed_official | 107:414e9c822e99 | 292 | * |
| mbed_official | 107:414e9c822e99 | 293 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 294 | * \param pul_year Current year. |
| mbed_official | 107:414e9c822e99 | 295 | * \param pul_month Current month. |
| mbed_official | 107:414e9c822e99 | 296 | * \param pul_day Current day. |
| mbed_official | 107:414e9c822e99 | 297 | * \param pul_week Current day in current week. |
| mbed_official | 107:414e9c822e99 | 298 | */ |
| mbed_official | 107:414e9c822e99 | 299 | void rtc_get_date(Rtc *p_rtc, uint32_t *pul_year, uint32_t *pul_month, |
| mbed_official | 107:414e9c822e99 | 300 | uint32_t *pul_day, uint32_t *pul_week) |
| mbed_official | 107:414e9c822e99 | 301 | { |
| mbed_official | 107:414e9c822e99 | 302 | uint32_t ul_date; |
| mbed_official | 107:414e9c822e99 | 303 | uint32_t ul_cent; |
| mbed_official | 107:414e9c822e99 | 304 | uint32_t ul_temp; |
| mbed_official | 107:414e9c822e99 | 305 | |
| mbed_official | 107:414e9c822e99 | 306 | /* Get the current date (multiple reads are necessary to insure a stable value). */ |
| mbed_official | 107:414e9c822e99 | 307 | ul_date = p_rtc->RTC_CALR; |
| mbed_official | 107:414e9c822e99 | 308 | while (ul_date != p_rtc->RTC_CALR) { |
| mbed_official | 107:414e9c822e99 | 309 | ul_date = p_rtc->RTC_CALR; |
| mbed_official | 107:414e9c822e99 | 310 | } |
| mbed_official | 107:414e9c822e99 | 311 | |
| mbed_official | 107:414e9c822e99 | 312 | /* Retrieve year */ |
| mbed_official | 107:414e9c822e99 | 313 | if (pul_year) { |
| mbed_official | 107:414e9c822e99 | 314 | ul_temp = (ul_date & RTC_CALR_CENT_Msk) >> RTC_CALR_CENT_Pos; |
| mbed_official | 107:414e9c822e99 | 315 | ul_cent = (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 316 | ul_temp = (ul_date & RTC_CALR_YEAR_Msk) >> RTC_CALR_YEAR_Pos; |
| mbed_official | 107:414e9c822e99 | 317 | *pul_year = (ul_cent * BCD_FACTOR * BCD_FACTOR) + |
| mbed_official | 107:414e9c822e99 | 318 | (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 319 | } |
| mbed_official | 107:414e9c822e99 | 320 | |
| mbed_official | 107:414e9c822e99 | 321 | /* Retrieve month */ |
| mbed_official | 107:414e9c822e99 | 322 | if (pul_month) { |
| mbed_official | 107:414e9c822e99 | 323 | ul_temp = (ul_date & RTC_CALR_MONTH_Msk) >> RTC_CALR_MONTH_Pos; |
| mbed_official | 107:414e9c822e99 | 324 | *pul_month = (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 325 | } |
| mbed_official | 107:414e9c822e99 | 326 | |
| mbed_official | 107:414e9c822e99 | 327 | /* Retrieve day */ |
| mbed_official | 107:414e9c822e99 | 328 | if (pul_day) { |
| mbed_official | 107:414e9c822e99 | 329 | ul_temp = (ul_date & RTC_CALR_DATE_Msk) >> RTC_CALR_DATE_Pos; |
| mbed_official | 107:414e9c822e99 | 330 | *pul_day = (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 331 | } |
| mbed_official | 107:414e9c822e99 | 332 | |
| mbed_official | 107:414e9c822e99 | 333 | /* Retrieve week */ |
| mbed_official | 107:414e9c822e99 | 334 | if (pul_week) { |
| mbed_official | 107:414e9c822e99 | 335 | *pul_week = ((ul_date & RTC_CALR_DAY_Msk) >> RTC_CALR_DAY_Pos); |
| mbed_official | 107:414e9c822e99 | 336 | } |
| mbed_official | 107:414e9c822e99 | 337 | } |
| mbed_official | 107:414e9c822e99 | 338 | |
| mbed_official | 107:414e9c822e99 | 339 | /** |
| mbed_official | 107:414e9c822e99 | 340 | * \brief Set the RTC date. |
| mbed_official | 107:414e9c822e99 | 341 | * |
| mbed_official | 107:414e9c822e99 | 342 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 343 | * \param ul_year Current year. |
| mbed_official | 107:414e9c822e99 | 344 | * \param ul_month Current month. |
| mbed_official | 107:414e9c822e99 | 345 | * \param ul_day Current day. |
| mbed_official | 107:414e9c822e99 | 346 | * \param ul_week Current day in current week. |
| mbed_official | 107:414e9c822e99 | 347 | * |
| mbed_official | 107:414e9c822e99 | 348 | * \return 0 for OK, else invalid setting. |
| mbed_official | 107:414e9c822e99 | 349 | */ |
| mbed_official | 107:414e9c822e99 | 350 | uint32_t rtc_set_date(Rtc *p_rtc, uint32_t ul_year, uint32_t ul_month, |
| mbed_official | 107:414e9c822e99 | 351 | uint32_t ul_day, uint32_t ul_week) |
| mbed_official | 107:414e9c822e99 | 352 | { |
| mbed_official | 107:414e9c822e99 | 353 | uint32_t ul_date = 0; |
| mbed_official | 107:414e9c822e99 | 354 | |
| mbed_official | 107:414e9c822e99 | 355 | /* Cent */ |
| mbed_official | 107:414e9c822e99 | 356 | ul_date |= ((ul_year / BCD_FACTOR / BCD_FACTOR / BCD_FACTOR) << |
| mbed_official | 107:414e9c822e99 | 357 | (RTC_CALR_CENT_Pos + BCD_SHIFT) | |
| mbed_official | 107:414e9c822e99 | 358 | ((ul_year / BCD_FACTOR / BCD_FACTOR) % BCD_FACTOR) << RTC_CALR_CENT_Pos); |
| mbed_official | 107:414e9c822e99 | 359 | |
| mbed_official | 107:414e9c822e99 | 360 | /* Year */ |
| mbed_official | 107:414e9c822e99 | 361 | ul_date |= (((ul_year / BCD_FACTOR) % BCD_FACTOR) << |
| mbed_official | 107:414e9c822e99 | 362 | (RTC_CALR_YEAR_Pos + BCD_SHIFT)) | |
| mbed_official | 107:414e9c822e99 | 363 | ((ul_year % BCD_FACTOR) << RTC_CALR_YEAR_Pos); |
| mbed_official | 107:414e9c822e99 | 364 | |
| mbed_official | 107:414e9c822e99 | 365 | /* Month */ |
| mbed_official | 107:414e9c822e99 | 366 | ul_date |= ((ul_month / BCD_FACTOR) << (RTC_CALR_MONTH_Pos + BCD_SHIFT)) | |
| mbed_official | 107:414e9c822e99 | 367 | ((ul_month % BCD_FACTOR) << RTC_CALR_MONTH_Pos); |
| mbed_official | 107:414e9c822e99 | 368 | |
| mbed_official | 107:414e9c822e99 | 369 | /* Week */ |
| mbed_official | 107:414e9c822e99 | 370 | ul_date |= (ul_week << RTC_CALR_DAY_Pos); |
| mbed_official | 107:414e9c822e99 | 371 | |
| mbed_official | 107:414e9c822e99 | 372 | /* Day */ |
| mbed_official | 107:414e9c822e99 | 373 | ul_date |= ((ul_day / BCD_FACTOR) << (RTC_CALR_DATE_Pos + BCD_SHIFT)) | |
| mbed_official | 107:414e9c822e99 | 374 | ((ul_day % BCD_FACTOR) << RTC_CALR_DATE_Pos); |
| mbed_official | 107:414e9c822e99 | 375 | |
| mbed_official | 107:414e9c822e99 | 376 | /* Update calendar register. Check the spec for the flow. */ |
| mbed_official | 107:414e9c822e99 | 377 | p_rtc->RTC_CR |= RTC_CR_UPDCAL; |
| mbed_official | 107:414e9c822e99 | 378 | while ((p_rtc->RTC_SR & RTC_SR_ACKUPD) != RTC_SR_ACKUPD); |
| mbed_official | 107:414e9c822e99 | 379 | |
| mbed_official | 107:414e9c822e99 | 380 | p_rtc->RTC_SCCR = RTC_SCCR_ACKCLR; |
| mbed_official | 107:414e9c822e99 | 381 | p_rtc->RTC_CALR = ul_date; |
| mbed_official | 107:414e9c822e99 | 382 | p_rtc->RTC_CR &= (~RTC_CR_UPDCAL); |
| mbed_official | 107:414e9c822e99 | 383 | /* Clear SECENV in SCCR */ |
| mbed_official | 107:414e9c822e99 | 384 | p_rtc->RTC_SCCR |= RTC_SCCR_SECCLR; |
| mbed_official | 107:414e9c822e99 | 385 | |
| mbed_official | 107:414e9c822e99 | 386 | return (p_rtc->RTC_VER & RTC_VER_NVCAL); |
| mbed_official | 107:414e9c822e99 | 387 | } |
| mbed_official | 107:414e9c822e99 | 388 | |
| mbed_official | 107:414e9c822e99 | 389 | /** |
| mbed_official | 107:414e9c822e99 | 390 | * \brief Set the RTC alarm date value. |
| mbed_official | 107:414e9c822e99 | 391 | * |
| mbed_official | 107:414e9c822e99 | 392 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 393 | * \param ul_month_flag 1 for setting, 0 for not setting. |
| mbed_official | 107:414e9c822e99 | 394 | * \param ul_month Alarm month value. |
| mbed_official | 107:414e9c822e99 | 395 | * \param ul_day_flag 1 for setting, 0 for not setting. |
| mbed_official | 107:414e9c822e99 | 396 | * \param ul_day Alarm day value. |
| mbed_official | 107:414e9c822e99 | 397 | * |
| mbed_official | 107:414e9c822e99 | 398 | * \return 0 for OK, else invalid setting. |
| mbed_official | 107:414e9c822e99 | 399 | */ |
| mbed_official | 107:414e9c822e99 | 400 | uint32_t rtc_set_date_alarm(Rtc *p_rtc, |
| mbed_official | 107:414e9c822e99 | 401 | uint32_t ul_month_flag, uint32_t ul_month, |
| mbed_official | 107:414e9c822e99 | 402 | uint32_t ul_day_flag, uint32_t ul_day) |
| mbed_official | 107:414e9c822e99 | 403 | { |
| mbed_official | 107:414e9c822e99 | 404 | uint32_t ul_alarm = 0; |
| mbed_official | 107:414e9c822e99 | 405 | |
| mbed_official | 107:414e9c822e99 | 406 | /* Month alarm setting */ |
| mbed_official | 107:414e9c822e99 | 407 | if (ul_month_flag) { |
| mbed_official | 107:414e9c822e99 | 408 | ul_alarm |= ((ul_month / BCD_FACTOR) << (RTC_CALR_MONTH_Pos + BCD_SHIFT)) | |
| mbed_official | 107:414e9c822e99 | 409 | ((ul_month % BCD_FACTOR) << RTC_CALR_MONTH_Pos); |
| mbed_official | 107:414e9c822e99 | 410 | } |
| mbed_official | 107:414e9c822e99 | 411 | |
| mbed_official | 107:414e9c822e99 | 412 | /* Day alarm setting */ |
| mbed_official | 107:414e9c822e99 | 413 | if (ul_day_flag) { |
| mbed_official | 107:414e9c822e99 | 414 | ul_alarm |= ((ul_day / BCD_FACTOR) << (RTC_CALR_DATE_Pos + BCD_SHIFT)) | |
| mbed_official | 107:414e9c822e99 | 415 | ((ul_day % BCD_FACTOR) << RTC_CALR_DATE_Pos); |
| mbed_official | 107:414e9c822e99 | 416 | } |
| mbed_official | 107:414e9c822e99 | 417 | |
| mbed_official | 107:414e9c822e99 | 418 | /* Set alarm */ |
| mbed_official | 107:414e9c822e99 | 419 | p_rtc->RTC_CALALR &= ~(RTC_CALALR_MTHEN | RTC_CALALR_DATEEN); |
| mbed_official | 107:414e9c822e99 | 420 | p_rtc->RTC_CALALR = ul_alarm; |
| mbed_official | 107:414e9c822e99 | 421 | p_rtc->RTC_CALALR |= (RTC_CALALR_MTHEN | RTC_CALALR_DATEEN); |
| mbed_official | 107:414e9c822e99 | 422 | |
| mbed_official | 107:414e9c822e99 | 423 | return (p_rtc->RTC_VER & RTC_VER_NVCALALR); |
| mbed_official | 107:414e9c822e99 | 424 | } |
| mbed_official | 107:414e9c822e99 | 425 | |
| mbed_official | 107:414e9c822e99 | 426 | /** |
| mbed_official | 107:414e9c822e99 | 427 | * \brief Clear the RTC time alarm setting. |
| mbed_official | 107:414e9c822e99 | 428 | * |
| mbed_official | 107:414e9c822e99 | 429 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 430 | */ |
| mbed_official | 107:414e9c822e99 | 431 | void rtc_clear_time_alarm(Rtc *p_rtc) |
| mbed_official | 107:414e9c822e99 | 432 | { |
| mbed_official | 107:414e9c822e99 | 433 | p_rtc->RTC_TIMALR = 0; |
| mbed_official | 107:414e9c822e99 | 434 | } |
| mbed_official | 107:414e9c822e99 | 435 | |
| mbed_official | 107:414e9c822e99 | 436 | /** |
| mbed_official | 107:414e9c822e99 | 437 | * \brief Clear the RTC date alarm setting. |
| mbed_official | 107:414e9c822e99 | 438 | * |
| mbed_official | 107:414e9c822e99 | 439 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 440 | */ |
| mbed_official | 107:414e9c822e99 | 441 | void rtc_clear_date_alarm(Rtc *p_rtc) |
| mbed_official | 107:414e9c822e99 | 442 | { |
| mbed_official | 107:414e9c822e99 | 443 | /* Need a valid value without enabling */ |
| mbed_official | 107:414e9c822e99 | 444 | p_rtc->RTC_CALALR = RTC_CALALR_MONTH(0x01) | RTC_CALALR_DATE(0x01); |
| mbed_official | 107:414e9c822e99 | 445 | } |
| mbed_official | 107:414e9c822e99 | 446 | |
| mbed_official | 107:414e9c822e99 | 447 | /** |
| mbed_official | 107:414e9c822e99 | 448 | * \brief Get the RTC status. |
| mbed_official | 107:414e9c822e99 | 449 | * |
| mbed_official | 107:414e9c822e99 | 450 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 451 | * |
| mbed_official | 107:414e9c822e99 | 452 | * \return Status of the RTC. |
| mbed_official | 107:414e9c822e99 | 453 | */ |
| mbed_official | 107:414e9c822e99 | 454 | uint32_t rtc_get_status(Rtc *p_rtc) |
| mbed_official | 107:414e9c822e99 | 455 | { |
| mbed_official | 107:414e9c822e99 | 456 | return (p_rtc->RTC_SR); |
| mbed_official | 107:414e9c822e99 | 457 | } |
| mbed_official | 107:414e9c822e99 | 458 | |
| mbed_official | 107:414e9c822e99 | 459 | /** |
| mbed_official | 107:414e9c822e99 | 460 | * \brief Set the RTC SCCR to clear status bits. |
| mbed_official | 107:414e9c822e99 | 461 | * |
| mbed_official | 107:414e9c822e99 | 462 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 463 | * \param ul_clear Some flag bits which will be cleared. |
| mbed_official | 107:414e9c822e99 | 464 | */ |
| mbed_official | 107:414e9c822e99 | 465 | void rtc_clear_status(Rtc *p_rtc, uint32_t ul_clear) |
| mbed_official | 107:414e9c822e99 | 466 | { |
| mbed_official | 107:414e9c822e99 | 467 | p_rtc->RTC_SCCR = ul_clear; |
| mbed_official | 107:414e9c822e99 | 468 | } |
| mbed_official | 107:414e9c822e99 | 469 | |
| mbed_official | 107:414e9c822e99 | 470 | /** |
| mbed_official | 107:414e9c822e99 | 471 | * \brief Get the RTC valid entry. |
| mbed_official | 107:414e9c822e99 | 472 | * |
| mbed_official | 107:414e9c822e99 | 473 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 474 | * |
| mbed_official | 107:414e9c822e99 | 475 | * \return 0 for no invalid data, else has contained invalid data. |
| mbed_official | 107:414e9c822e99 | 476 | */ |
| mbed_official | 107:414e9c822e99 | 477 | uint32_t rtc_get_valid_entry(Rtc *p_rtc) |
| mbed_official | 107:414e9c822e99 | 478 | { |
| mbed_official | 107:414e9c822e99 | 479 | return (p_rtc->RTC_VER); |
| mbed_official | 107:414e9c822e99 | 480 | } |
| mbed_official | 107:414e9c822e99 | 481 | |
| mbed_official | 107:414e9c822e99 | 482 | /** |
| mbed_official | 107:414e9c822e99 | 483 | * \brief Set the RTC time event selection. |
| mbed_official | 107:414e9c822e99 | 484 | * |
| mbed_official | 107:414e9c822e99 | 485 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 486 | * \param ul_selection Time event selection to be enabled. |
| mbed_official | 107:414e9c822e99 | 487 | */ |
| mbed_official | 107:414e9c822e99 | 488 | void rtc_set_time_event(Rtc *p_rtc, uint32_t ul_selection) |
| mbed_official | 107:414e9c822e99 | 489 | { |
| mbed_official | 107:414e9c822e99 | 490 | p_rtc->RTC_CR &= ~RTC_CR_TIMEVSEL_Msk; |
| mbed_official | 107:414e9c822e99 | 491 | p_rtc->RTC_CR |= (ul_selection << RTC_CR_TIMEVSEL_Pos) & RTC_CR_TIMEVSEL_Msk; |
| mbed_official | 107:414e9c822e99 | 492 | } |
| mbed_official | 107:414e9c822e99 | 493 | |
| mbed_official | 107:414e9c822e99 | 494 | /** |
| mbed_official | 107:414e9c822e99 | 495 | * \brief Set the RTC calendar event selection. |
| mbed_official | 107:414e9c822e99 | 496 | * |
| mbed_official | 107:414e9c822e99 | 497 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 498 | * \param ul_selection Calendar event selection to be enabled.. |
| mbed_official | 107:414e9c822e99 | 499 | */ |
| mbed_official | 107:414e9c822e99 | 500 | void rtc_set_calendar_event(Rtc *p_rtc, uint32_t ul_selection) |
| mbed_official | 107:414e9c822e99 | 501 | { |
| mbed_official | 107:414e9c822e99 | 502 | p_rtc->RTC_CR &= ~RTC_CR_CALEVSEL_Msk; |
| mbed_official | 107:414e9c822e99 | 503 | p_rtc->RTC_CR |= (ul_selection << RTC_CR_CALEVSEL_Pos) & RTC_CR_CALEVSEL_Msk; |
| mbed_official | 107:414e9c822e99 | 504 | } |
| mbed_official | 107:414e9c822e99 | 505 | |
| mbed_official | 107:414e9c822e99 | 506 | #if ((SAM3S8) || (SAM3SD8) || (SAM4S) || (SAM4N) || (SAM4C) || (SAMG) || (SAM4CP) || (SAM4CM)) |
| mbed_official | 107:414e9c822e99 | 507 | /** |
| mbed_official | 107:414e9c822e99 | 508 | * \brief Set the RTC calendar mode. |
| mbed_official | 107:414e9c822e99 | 509 | * |
| mbed_official | 107:414e9c822e99 | 510 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 511 | * \param ul_mode 1 for Persian mode,0 for Gregorian mode. |
| mbed_official | 107:414e9c822e99 | 512 | */ |
| mbed_official | 107:414e9c822e99 | 513 | void rtc_set_calendar_mode(Rtc *p_rtc, uint32_t ul_mode) |
| mbed_official | 107:414e9c822e99 | 514 | { |
| mbed_official | 107:414e9c822e99 | 515 | if (ul_mode) { |
| mbed_official | 107:414e9c822e99 | 516 | p_rtc->RTC_MR |= RTC_MR_PERSIAN; |
| mbed_official | 107:414e9c822e99 | 517 | } else { |
| mbed_official | 107:414e9c822e99 | 518 | p_rtc->RTC_MR &= (~RTC_MR_PERSIAN); |
| mbed_official | 107:414e9c822e99 | 519 | } |
| mbed_official | 107:414e9c822e99 | 520 | } |
| mbed_official | 107:414e9c822e99 | 521 | |
| mbed_official | 107:414e9c822e99 | 522 | /** |
| mbed_official | 107:414e9c822e99 | 523 | * \brief Get the RTC calendar mode. |
| mbed_official | 107:414e9c822e99 | 524 | * |
| mbed_official | 107:414e9c822e99 | 525 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 526 | * |
| mbed_official | 107:414e9c822e99 | 527 | * \return 1 for Persian calendar, 0 for Gregorian calendar. |
| mbed_official | 107:414e9c822e99 | 528 | */ |
| mbed_official | 107:414e9c822e99 | 529 | uint32_t rtc_get_calendar_mode(Rtc *p_rtc) |
| mbed_official | 107:414e9c822e99 | 530 | { |
| mbed_official | 107:414e9c822e99 | 531 | uint32_t ul_temp = p_rtc->RTC_MR; |
| mbed_official | 107:414e9c822e99 | 532 | |
| mbed_official | 107:414e9c822e99 | 533 | if (ul_temp & RTC_MR_PERSIAN) { |
| mbed_official | 107:414e9c822e99 | 534 | return 1; |
| mbed_official | 107:414e9c822e99 | 535 | } else { |
| mbed_official | 107:414e9c822e99 | 536 | return 0; |
| mbed_official | 107:414e9c822e99 | 537 | } |
| mbed_official | 107:414e9c822e99 | 538 | } |
| mbed_official | 107:414e9c822e99 | 539 | |
| mbed_official | 107:414e9c822e99 | 540 | /** |
| mbed_official | 107:414e9c822e99 | 541 | * \brief Set the RTC calibration. |
| mbed_official | 107:414e9c822e99 | 542 | * |
| mbed_official | 107:414e9c822e99 | 543 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 544 | * \param ul_direction_ppm Positive/negative correction. |
| mbed_official | 107:414e9c822e99 | 545 | * \param ul_correction Correction value. |
| mbed_official | 107:414e9c822e99 | 546 | * \param ul_range_ppm Low/high range correction. |
| mbed_official | 107:414e9c822e99 | 547 | */ |
| mbed_official | 107:414e9c822e99 | 548 | void rtc_set_calibration(Rtc *p_rtc, uint32_t ul_direction_ppm, |
| mbed_official | 107:414e9c822e99 | 549 | uint32_t ul_correction, uint32_t ul_range_ppm) |
| mbed_official | 107:414e9c822e99 | 550 | { |
| mbed_official | 107:414e9c822e99 | 551 | uint32_t ul_temp; |
| mbed_official | 107:414e9c822e99 | 552 | |
| mbed_official | 107:414e9c822e99 | 553 | ul_temp = p_rtc->RTC_MR; |
| mbed_official | 107:414e9c822e99 | 554 | |
| mbed_official | 107:414e9c822e99 | 555 | if (ul_direction_ppm) { |
| mbed_official | 107:414e9c822e99 | 556 | ul_temp |= RTC_MR_NEGPPM; |
| mbed_official | 107:414e9c822e99 | 557 | } else { |
| mbed_official | 107:414e9c822e99 | 558 | ul_temp &= (~RTC_MR_NEGPPM); |
| mbed_official | 107:414e9c822e99 | 559 | } |
| mbed_official | 107:414e9c822e99 | 560 | |
| mbed_official | 107:414e9c822e99 | 561 | ul_temp |= RTC_MR_CORRECTION(ul_correction); |
| mbed_official | 107:414e9c822e99 | 562 | |
| mbed_official | 107:414e9c822e99 | 563 | if (ul_range_ppm) { |
| mbed_official | 107:414e9c822e99 | 564 | ul_temp |= RTC_MR_HIGHPPM; |
| mbed_official | 107:414e9c822e99 | 565 | } else { |
| mbed_official | 107:414e9c822e99 | 566 | ul_temp &= (~RTC_MR_HIGHPPM); |
| mbed_official | 107:414e9c822e99 | 567 | } |
| mbed_official | 107:414e9c822e99 | 568 | |
| mbed_official | 107:414e9c822e99 | 569 | p_rtc->RTC_MR = ul_temp; |
| mbed_official | 107:414e9c822e99 | 570 | } |
| mbed_official | 107:414e9c822e99 | 571 | #endif |
| mbed_official | 107:414e9c822e99 | 572 | |
| mbed_official | 107:414e9c822e99 | 573 | #if ((SAM3S8) || (SAM3SD8) || (SAM4S) || (SAM4C) || (SAMG) || (SAM4CP) || (SAM4CM) || SAMV71 || SAMV70 || SAME70 || SAMS70) |
| mbed_official | 107:414e9c822e99 | 574 | /** |
| mbed_official | 107:414e9c822e99 | 575 | * \brief Set the RTC output waveform. |
| mbed_official | 107:414e9c822e99 | 576 | * |
| mbed_official | 107:414e9c822e99 | 577 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 578 | * \param ul_channel Output channel selection. |
| mbed_official | 107:414e9c822e99 | 579 | * \param ul_value Output source selection value. |
| mbed_official | 107:414e9c822e99 | 580 | */ |
| mbed_official | 107:414e9c822e99 | 581 | void rtc_set_waveform(Rtc *p_rtc, uint32_t ul_channel, uint32_t ul_value) |
| mbed_official | 107:414e9c822e99 | 582 | { |
| mbed_official | 107:414e9c822e99 | 583 | if (ul_channel == 0) { |
| mbed_official | 107:414e9c822e99 | 584 | switch (ul_value) { |
| mbed_official | 107:414e9c822e99 | 585 | case 0: |
| mbed_official | 107:414e9c822e99 | 586 | p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk; |
| mbed_official | 107:414e9c822e99 | 587 | p_rtc->RTC_MR |= RTC_MR_OUT0_NO_WAVE; |
| mbed_official | 107:414e9c822e99 | 588 | break; |
| mbed_official | 107:414e9c822e99 | 589 | |
| mbed_official | 107:414e9c822e99 | 590 | case 1: |
| mbed_official | 107:414e9c822e99 | 591 | p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk; |
| mbed_official | 107:414e9c822e99 | 592 | p_rtc->RTC_MR |= RTC_MR_OUT0_FREQ1HZ; |
| mbed_official | 107:414e9c822e99 | 593 | break; |
| mbed_official | 107:414e9c822e99 | 594 | |
| mbed_official | 107:414e9c822e99 | 595 | case 2: |
| mbed_official | 107:414e9c822e99 | 596 | p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk; |
| mbed_official | 107:414e9c822e99 | 597 | p_rtc->RTC_MR |= RTC_MR_OUT0_FREQ32HZ; |
| mbed_official | 107:414e9c822e99 | 598 | break; |
| mbed_official | 107:414e9c822e99 | 599 | |
| mbed_official | 107:414e9c822e99 | 600 | case 3: |
| mbed_official | 107:414e9c822e99 | 601 | p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk; |
| mbed_official | 107:414e9c822e99 | 602 | p_rtc->RTC_MR |= RTC_MR_OUT0_FREQ64HZ; |
| mbed_official | 107:414e9c822e99 | 603 | break; |
| mbed_official | 107:414e9c822e99 | 604 | |
| mbed_official | 107:414e9c822e99 | 605 | case 4: |
| mbed_official | 107:414e9c822e99 | 606 | p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk; |
| mbed_official | 107:414e9c822e99 | 607 | p_rtc->RTC_MR |= RTC_MR_OUT0_FREQ512HZ; |
| mbed_official | 107:414e9c822e99 | 608 | break; |
| mbed_official | 107:414e9c822e99 | 609 | |
| mbed_official | 107:414e9c822e99 | 610 | #if (!SAMG) |
| mbed_official | 107:414e9c822e99 | 611 | case 5: |
| mbed_official | 107:414e9c822e99 | 612 | p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk; |
| mbed_official | 107:414e9c822e99 | 613 | p_rtc->RTC_MR |= RTC_MR_OUT0_ALARM_TOGGLE; |
| mbed_official | 107:414e9c822e99 | 614 | break; |
| mbed_official | 107:414e9c822e99 | 615 | #endif |
| mbed_official | 107:414e9c822e99 | 616 | |
| mbed_official | 107:414e9c822e99 | 617 | case 6: |
| mbed_official | 107:414e9c822e99 | 618 | p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk; |
| mbed_official | 107:414e9c822e99 | 619 | p_rtc->RTC_MR |= RTC_MR_OUT0_ALARM_FLAG; |
| mbed_official | 107:414e9c822e99 | 620 | break; |
| mbed_official | 107:414e9c822e99 | 621 | |
| mbed_official | 107:414e9c822e99 | 622 | #if (!SAMG) |
| mbed_official | 107:414e9c822e99 | 623 | case 7: |
| mbed_official | 107:414e9c822e99 | 624 | p_rtc->RTC_MR &= ~RTC_MR_OUT0_Msk; |
| mbed_official | 107:414e9c822e99 | 625 | p_rtc->RTC_MR |= RTC_MR_OUT0_PROG_PULSE; |
| mbed_official | 107:414e9c822e99 | 626 | break; |
| mbed_official | 107:414e9c822e99 | 627 | #endif |
| mbed_official | 107:414e9c822e99 | 628 | |
| mbed_official | 107:414e9c822e99 | 629 | default: |
| mbed_official | 107:414e9c822e99 | 630 | break; |
| mbed_official | 107:414e9c822e99 | 631 | } |
| mbed_official | 107:414e9c822e99 | 632 | } else { |
| mbed_official | 107:414e9c822e99 | 633 | #if (!SAM4C && !SAM4CP && !SAM4CM) |
| mbed_official | 107:414e9c822e99 | 634 | switch (ul_value) { |
| mbed_official | 107:414e9c822e99 | 635 | case 0: |
| mbed_official | 107:414e9c822e99 | 636 | p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk; |
| mbed_official | 107:414e9c822e99 | 637 | p_rtc->RTC_MR |= RTC_MR_OUT1_NO_WAVE; |
| mbed_official | 107:414e9c822e99 | 638 | break; |
| mbed_official | 107:414e9c822e99 | 639 | |
| mbed_official | 107:414e9c822e99 | 640 | case 1: |
| mbed_official | 107:414e9c822e99 | 641 | p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk; |
| mbed_official | 107:414e9c822e99 | 642 | p_rtc->RTC_MR |= RTC_MR_OUT1_FREQ1HZ; |
| mbed_official | 107:414e9c822e99 | 643 | break; |
| mbed_official | 107:414e9c822e99 | 644 | |
| mbed_official | 107:414e9c822e99 | 645 | case 2: |
| mbed_official | 107:414e9c822e99 | 646 | p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk; |
| mbed_official | 107:414e9c822e99 | 647 | p_rtc->RTC_MR |= RTC_MR_OUT1_FREQ32HZ; |
| mbed_official | 107:414e9c822e99 | 648 | break; |
| mbed_official | 107:414e9c822e99 | 649 | |
| mbed_official | 107:414e9c822e99 | 650 | case 3: |
| mbed_official | 107:414e9c822e99 | 651 | p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk; |
| mbed_official | 107:414e9c822e99 | 652 | p_rtc->RTC_MR |= RTC_MR_OUT1_FREQ64HZ; |
| mbed_official | 107:414e9c822e99 | 653 | break; |
| mbed_official | 107:414e9c822e99 | 654 | |
| mbed_official | 107:414e9c822e99 | 655 | case 4: |
| mbed_official | 107:414e9c822e99 | 656 | p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk; |
| mbed_official | 107:414e9c822e99 | 657 | p_rtc->RTC_MR |= RTC_MR_OUT1_FREQ512HZ; |
| mbed_official | 107:414e9c822e99 | 658 | break; |
| mbed_official | 107:414e9c822e99 | 659 | |
| mbed_official | 107:414e9c822e99 | 660 | #if (!SAMG) |
| mbed_official | 107:414e9c822e99 | 661 | case 5: |
| mbed_official | 107:414e9c822e99 | 662 | p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk; |
| mbed_official | 107:414e9c822e99 | 663 | p_rtc->RTC_MR |= RTC_MR_OUT1_ALARM_TOGGLE; |
| mbed_official | 107:414e9c822e99 | 664 | break; |
| mbed_official | 107:414e9c822e99 | 665 | #endif |
| mbed_official | 107:414e9c822e99 | 666 | |
| mbed_official | 107:414e9c822e99 | 667 | case 6: |
| mbed_official | 107:414e9c822e99 | 668 | p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk; |
| mbed_official | 107:414e9c822e99 | 669 | p_rtc->RTC_MR |= RTC_MR_OUT1_ALARM_FLAG; |
| mbed_official | 107:414e9c822e99 | 670 | break; |
| mbed_official | 107:414e9c822e99 | 671 | |
| mbed_official | 107:414e9c822e99 | 672 | #if (!SAMG) |
| mbed_official | 107:414e9c822e99 | 673 | case 7: |
| mbed_official | 107:414e9c822e99 | 674 | p_rtc->RTC_MR &= ~RTC_MR_OUT1_Msk; |
| mbed_official | 107:414e9c822e99 | 675 | p_rtc->RTC_MR |= RTC_MR_OUT1_PROG_PULSE; |
| mbed_official | 107:414e9c822e99 | 676 | break; |
| mbed_official | 107:414e9c822e99 | 677 | #endif |
| mbed_official | 107:414e9c822e99 | 678 | |
| mbed_official | 107:414e9c822e99 | 679 | default: |
| mbed_official | 107:414e9c822e99 | 680 | break; |
| mbed_official | 107:414e9c822e99 | 681 | } |
| mbed_official | 107:414e9c822e99 | 682 | #endif |
| mbed_official | 107:414e9c822e99 | 683 | } |
| mbed_official | 107:414e9c822e99 | 684 | } |
| mbed_official | 107:414e9c822e99 | 685 | |
| mbed_official | 107:414e9c822e99 | 686 | #if ((SAM3S8) || (SAM3SD8) || (SAM4S) || (SAM4C) || SAMV71 || SAMV70 || SAME70 || SAMS70) |
| mbed_official | 107:414e9c822e99 | 687 | /** |
| mbed_official | 107:414e9c822e99 | 688 | * \brief Set the pulse output waveform parameters. |
| mbed_official | 107:414e9c822e99 | 689 | * |
| mbed_official | 107:414e9c822e99 | 690 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 691 | * \param ul_time_high High duration of the output pulse. |
| mbed_official | 107:414e9c822e99 | 692 | * \param ul_period Period of the output pulse. |
| mbed_official | 107:414e9c822e99 | 693 | */ |
| mbed_official | 107:414e9c822e99 | 694 | void rtc_set_pulse_parameter(Rtc *p_rtc, uint32_t ul_time_high, |
| mbed_official | 107:414e9c822e99 | 695 | uint32_t ul_period) |
| mbed_official | 107:414e9c822e99 | 696 | { |
| mbed_official | 107:414e9c822e99 | 697 | uint32_t ul_temp; |
| mbed_official | 107:414e9c822e99 | 698 | |
| mbed_official | 107:414e9c822e99 | 699 | ul_temp = p_rtc->RTC_MR; |
| mbed_official | 107:414e9c822e99 | 700 | |
| mbed_official | 107:414e9c822e99 | 701 | ul_temp |= (RTC_MR_THIGH_Msk & ((ul_time_high) << RTC_MR_THIGH_Pos)); |
| mbed_official | 107:414e9c822e99 | 702 | ul_temp |= (RTC_MR_TPERIOD_Msk & ((ul_period) << RTC_MR_TPERIOD_Pos)); |
| mbed_official | 107:414e9c822e99 | 703 | |
| mbed_official | 107:414e9c822e99 | 704 | p_rtc->RTC_MR = ul_temp; |
| mbed_official | 107:414e9c822e99 | 705 | } |
| mbed_official | 107:414e9c822e99 | 706 | #endif |
| mbed_official | 107:414e9c822e99 | 707 | #endif |
| mbed_official | 107:414e9c822e99 | 708 | |
| mbed_official | 107:414e9c822e99 | 709 | |
| mbed_official | 107:414e9c822e99 | 710 | #if ((SAM3N) || (SAM3U) || (SAM3XA)) |
| mbed_official | 107:414e9c822e99 | 711 | /** |
| mbed_official | 107:414e9c822e99 | 712 | * \brief Enable or disable write protection of RTC registers. |
| mbed_official | 107:414e9c822e99 | 713 | * |
| mbed_official | 107:414e9c822e99 | 714 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 715 | * \param ul_enable 1 to enable, 0 to disable. |
| mbed_official | 107:414e9c822e99 | 716 | */ |
| mbed_official | 107:414e9c822e99 | 717 | void rtc_set_writeprotect(Rtc *p_rtc, uint32_t ul_enable) |
| mbed_official | 107:414e9c822e99 | 718 | { |
| mbed_official | 107:414e9c822e99 | 719 | if (ul_enable) { |
| mbed_official | 107:414e9c822e99 | 720 | p_rtc->RTC_WPMR = RTC_WPMR_WPKEY(RTC_WP_KEY) | RTC_WPMR_WPEN; |
| mbed_official | 107:414e9c822e99 | 721 | } else { |
| mbed_official | 107:414e9c822e99 | 722 | p_rtc->RTC_WPMR = RTC_WPMR_WPKEY(RTC_WP_KEY); |
| mbed_official | 107:414e9c822e99 | 723 | } |
| mbed_official | 107:414e9c822e99 | 724 | } |
| mbed_official | 107:414e9c822e99 | 725 | #endif /* ((SAM3N) || (SAM3U) || (SAM3XA)) */ |
| mbed_official | 107:414e9c822e99 | 726 | |
| mbed_official | 107:414e9c822e99 | 727 | #if SAM4C || SAM4CP || SAM4CM |
| mbed_official | 107:414e9c822e99 | 728 | /** |
| mbed_official | 107:414e9c822e99 | 729 | * \brief Get the RTC tamper time value. |
| mbed_official | 107:414e9c822e99 | 730 | * |
| mbed_official | 107:414e9c822e99 | 731 | * \note This function should be called before rtc_get_tamper_source() |
| mbed_official | 107:414e9c822e99 | 732 | * function call, Otherwise the tamper time will be cleared. |
| mbed_official | 107:414e9c822e99 | 733 | * |
| mbed_official | 107:414e9c822e99 | 734 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 735 | * \param pul_hour Current hour, 24-hour mode. |
| mbed_official | 107:414e9c822e99 | 736 | * \param pul_minute Current minute. |
| mbed_official | 107:414e9c822e99 | 737 | * \param pul_second Current second. |
| mbed_official | 107:414e9c822e99 | 738 | * \param reg_num Current tamper register set number. |
| mbed_official | 107:414e9c822e99 | 739 | */ |
| mbed_official | 107:414e9c822e99 | 740 | void rtc_get_tamper_time(Rtc *p_rtc, uint32_t *pul_hour, uint32_t *pul_minute, |
| mbed_official | 107:414e9c822e99 | 741 | uint32_t *pul_second, uint8_t reg_num) |
| mbed_official | 107:414e9c822e99 | 742 | { |
| mbed_official | 107:414e9c822e99 | 743 | uint32_t ul_time; |
| mbed_official | 107:414e9c822e99 | 744 | uint32_t ul_temp; |
| mbed_official | 107:414e9c822e99 | 745 | |
| mbed_official | 107:414e9c822e99 | 746 | /* Get the current RTC time (multiple reads are to insure a stable value). */ |
| mbed_official | 107:414e9c822e99 | 747 | ul_time = p_rtc->RTC_TS[reg_num].RTC_TSTR; |
| mbed_official | 107:414e9c822e99 | 748 | while (ul_time != p_rtc->RTC_TS[reg_num].RTC_TSTR) { |
| mbed_official | 107:414e9c822e99 | 749 | ul_time = p_rtc->RTC_TS[reg_num].RTC_TSTR; |
| mbed_official | 107:414e9c822e99 | 750 | } |
| mbed_official | 107:414e9c822e99 | 751 | |
| mbed_official | 107:414e9c822e99 | 752 | /* Hour */ |
| mbed_official | 107:414e9c822e99 | 753 | if (pul_hour) { |
| mbed_official | 107:414e9c822e99 | 754 | ul_temp = (ul_time & RTC_TSTR_HOUR_Msk) >> RTC_TSTR_HOUR_Pos; |
| mbed_official | 107:414e9c822e99 | 755 | *pul_hour = (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 756 | |
| mbed_official | 107:414e9c822e99 | 757 | if ((ul_time & RTC_TSTR_AMPM) == RTC_TSTR_AMPM) { |
| mbed_official | 107:414e9c822e99 | 758 | *pul_hour += 12; |
| mbed_official | 107:414e9c822e99 | 759 | } |
| mbed_official | 107:414e9c822e99 | 760 | } |
| mbed_official | 107:414e9c822e99 | 761 | |
| mbed_official | 107:414e9c822e99 | 762 | /* Minute */ |
| mbed_official | 107:414e9c822e99 | 763 | if (pul_minute) { |
| mbed_official | 107:414e9c822e99 | 764 | ul_temp = (ul_time & RTC_TSTR_MIN_Msk) >> RTC_TSTR_MIN_Pos; |
| mbed_official | 107:414e9c822e99 | 765 | *pul_minute = (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 766 | } |
| mbed_official | 107:414e9c822e99 | 767 | |
| mbed_official | 107:414e9c822e99 | 768 | /* Second */ |
| mbed_official | 107:414e9c822e99 | 769 | if (pul_second) { |
| mbed_official | 107:414e9c822e99 | 770 | ul_temp = (ul_time & RTC_TSTR_SEC_Msk) >> RTC_TSTR_SEC_Pos; |
| mbed_official | 107:414e9c822e99 | 771 | *pul_second = (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 772 | } |
| mbed_official | 107:414e9c822e99 | 773 | } |
| mbed_official | 107:414e9c822e99 | 774 | |
| mbed_official | 107:414e9c822e99 | 775 | /** |
| mbed_official | 107:414e9c822e99 | 776 | * \brief Get the RTC tamper date. |
| mbed_official | 107:414e9c822e99 | 777 | * |
| mbed_official | 107:414e9c822e99 | 778 | * \note This function should be called before rtc_get_tamper_source() |
| mbed_official | 107:414e9c822e99 | 779 | * function call, Otherwise the tamper date will be cleared. |
| mbed_official | 107:414e9c822e99 | 780 | * |
| mbed_official | 107:414e9c822e99 | 781 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 782 | * \param pul_year Current year. |
| mbed_official | 107:414e9c822e99 | 783 | * \param pul_month Current month. |
| mbed_official | 107:414e9c822e99 | 784 | * \param pul_day Current day. |
| mbed_official | 107:414e9c822e99 | 785 | * \param pul_week Current day in current week. |
| mbed_official | 107:414e9c822e99 | 786 | * \param reg_num Current tamper register set number. |
| mbed_official | 107:414e9c822e99 | 787 | */ |
| mbed_official | 107:414e9c822e99 | 788 | void rtc_get_tamper_date(Rtc *p_rtc, uint32_t *pul_year, uint32_t *pul_month, |
| mbed_official | 107:414e9c822e99 | 789 | uint32_t *pul_day, uint32_t *pul_week, uint8_t reg_num) |
| mbed_official | 107:414e9c822e99 | 790 | { |
| mbed_official | 107:414e9c822e99 | 791 | uint32_t ul_date; |
| mbed_official | 107:414e9c822e99 | 792 | uint32_t ul_cent; |
| mbed_official | 107:414e9c822e99 | 793 | uint32_t ul_temp; |
| mbed_official | 107:414e9c822e99 | 794 | |
| mbed_official | 107:414e9c822e99 | 795 | /* Get the current date (multiple reads are to insure a stable value). */ |
| mbed_official | 107:414e9c822e99 | 796 | ul_date = p_rtc->RTC_TS[reg_num].RTC_TSDR; |
| mbed_official | 107:414e9c822e99 | 797 | while (ul_date != p_rtc->RTC_TS[reg_num].RTC_TSDR) { |
| mbed_official | 107:414e9c822e99 | 798 | ul_date = p_rtc->RTC_TS[reg_num].RTC_TSDR; |
| mbed_official | 107:414e9c822e99 | 799 | } |
| mbed_official | 107:414e9c822e99 | 800 | |
| mbed_official | 107:414e9c822e99 | 801 | /* Retrieve year */ |
| mbed_official | 107:414e9c822e99 | 802 | if (pul_year) { |
| mbed_official | 107:414e9c822e99 | 803 | ul_temp = (ul_date & RTC_TSDR_CENT_Msk) >> RTC_TSDR_CENT_Pos; |
| mbed_official | 107:414e9c822e99 | 804 | ul_cent = (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 805 | ul_temp = (ul_date & RTC_TSDR_YEAR_Msk) >> RTC_TSDR_YEAR_Pos; |
| mbed_official | 107:414e9c822e99 | 806 | *pul_year = (ul_cent * BCD_FACTOR * BCD_FACTOR) + |
| mbed_official | 107:414e9c822e99 | 807 | (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 808 | } |
| mbed_official | 107:414e9c822e99 | 809 | |
| mbed_official | 107:414e9c822e99 | 810 | /* Retrieve month */ |
| mbed_official | 107:414e9c822e99 | 811 | if (pul_month) { |
| mbed_official | 107:414e9c822e99 | 812 | ul_temp = (ul_date & RTC_TSDR_MONTH_Msk) >> RTC_TSDR_MONTH_Pos; |
| mbed_official | 107:414e9c822e99 | 813 | *pul_month = (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 814 | } |
| mbed_official | 107:414e9c822e99 | 815 | |
| mbed_official | 107:414e9c822e99 | 816 | /* Retrieve day */ |
| mbed_official | 107:414e9c822e99 | 817 | if (pul_day) { |
| mbed_official | 107:414e9c822e99 | 818 | ul_temp = (ul_date & RTC_TSDR_DATE_Msk) >> RTC_TSDR_DATE_Pos; |
| mbed_official | 107:414e9c822e99 | 819 | *pul_day = (ul_temp >> BCD_SHIFT) * BCD_FACTOR + (ul_temp & BCD_MASK); |
| mbed_official | 107:414e9c822e99 | 820 | } |
| mbed_official | 107:414e9c822e99 | 821 | |
| mbed_official | 107:414e9c822e99 | 822 | /* Retrieve week */ |
| mbed_official | 107:414e9c822e99 | 823 | if (pul_week) { |
| mbed_official | 107:414e9c822e99 | 824 | *pul_week = ((ul_date & RTC_TSDR_DAY_Msk) >> RTC_TSDR_DAY_Pos); |
| mbed_official | 107:414e9c822e99 | 825 | } |
| mbed_official | 107:414e9c822e99 | 826 | } |
| mbed_official | 107:414e9c822e99 | 827 | |
| mbed_official | 107:414e9c822e99 | 828 | /** |
| mbed_official | 107:414e9c822e99 | 829 | * \brief Get the RTC tamper source. |
| mbed_official | 107:414e9c822e99 | 830 | * |
| mbed_official | 107:414e9c822e99 | 831 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 832 | * \param reg_num Current tamper register set number. |
| mbed_official | 107:414e9c822e99 | 833 | * |
| mbed_official | 107:414e9c822e99 | 834 | * \return Tamper source. |
| mbed_official | 107:414e9c822e99 | 835 | */ |
| mbed_official | 107:414e9c822e99 | 836 | uint32_t rtc_get_tamper_source(Rtc *p_rtc, uint8_t reg_num) |
| mbed_official | 107:414e9c822e99 | 837 | { |
| mbed_official | 107:414e9c822e99 | 838 | return (p_rtc->RTC_TS[reg_num].RTC_TSSR & RTC_TSSR_TSRC_Msk) >> |
| mbed_official | 107:414e9c822e99 | 839 | RTC_TSSR_TSRC_Pos; |
| mbed_official | 107:414e9c822e99 | 840 | } |
| mbed_official | 107:414e9c822e99 | 841 | |
| mbed_official | 107:414e9c822e99 | 842 | /** |
| mbed_official | 107:414e9c822e99 | 843 | * \brief Get the RTC tamper event counter. |
| mbed_official | 107:414e9c822e99 | 844 | * |
| mbed_official | 107:414e9c822e99 | 845 | * \note This function should be called before rtc_get_tamper_source() |
| mbed_official | 107:414e9c822e99 | 846 | * function call, Otherwise the tamper event counter will be cleared. |
| mbed_official | 107:414e9c822e99 | 847 | * |
| mbed_official | 107:414e9c822e99 | 848 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 849 | * |
| mbed_official | 107:414e9c822e99 | 850 | * \return Tamper event counter |
| mbed_official | 107:414e9c822e99 | 851 | */ |
| mbed_official | 107:414e9c822e99 | 852 | uint32_t rtc_get_tamper_event_counter(Rtc *p_rtc) |
| mbed_official | 107:414e9c822e99 | 853 | { |
| mbed_official | 107:414e9c822e99 | 854 | return (p_rtc->RTC_TS[0].RTC_TSTR & RTC_TSTR_TEVCNT_Msk) >> |
| mbed_official | 107:414e9c822e99 | 855 | RTC_TSTR_TEVCNT_Pos; |
| mbed_official | 107:414e9c822e99 | 856 | } |
| mbed_official | 107:414e9c822e99 | 857 | |
| mbed_official | 107:414e9c822e99 | 858 | /** |
| mbed_official | 107:414e9c822e99 | 859 | * \brief Check the system is in backup mode when RTC tamper event happen. |
| mbed_official | 107:414e9c822e99 | 860 | * |
| mbed_official | 107:414e9c822e99 | 861 | * \note This function should be called before rtc_get_tamper_source() |
| mbed_official | 107:414e9c822e99 | 862 | * function call, Otherwise the flag indicates tamper occur in backup |
| mbed_official | 107:414e9c822e99 | 863 | * mode will be cleared. |
| mbed_official | 107:414e9c822e99 | 864 | * |
| mbed_official | 107:414e9c822e99 | 865 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 866 | * \param reg_num Current tamper register set number. |
| mbed_official | 107:414e9c822e99 | 867 | * |
| mbed_official | 107:414e9c822e99 | 868 | * \return True - The system is in backup mode when the tamper event occurs. |
| mbed_official | 107:414e9c822e99 | 869 | * Flase - The system is different from backup mode. |
| mbed_official | 107:414e9c822e99 | 870 | */ |
| mbed_official | 107:414e9c822e99 | 871 | bool rtc_is_tamper_occur_in_backup_mode(Rtc *p_rtc, uint8_t reg_num) |
| mbed_official | 107:414e9c822e99 | 872 | { |
| mbed_official | 107:414e9c822e99 | 873 | if(p_rtc->RTC_TS[reg_num].RTC_TSTR & RTC_TSTR_BACKUP) { |
| mbed_official | 107:414e9c822e99 | 874 | return true; |
| mbed_official | 107:414e9c822e99 | 875 | } else { |
| mbed_official | 107:414e9c822e99 | 876 | return false; |
| mbed_official | 107:414e9c822e99 | 877 | } |
| mbed_official | 107:414e9c822e99 | 878 | } |
| mbed_official | 107:414e9c822e99 | 879 | #endif |
| mbed_official | 107:414e9c822e99 | 880 | |
| mbed_official | 107:414e9c822e99 | 881 | #if (SAMG55) |
| mbed_official | 107:414e9c822e99 | 882 | /** |
| mbed_official | 107:414e9c822e99 | 883 | * \brief Get the RTC milliseconds value. |
| mbed_official | 107:414e9c822e99 | 884 | * |
| mbed_official | 107:414e9c822e99 | 885 | * \param p_rtc Pointer to an RTC instance. |
| mbed_official | 107:414e9c822e99 | 886 | * |
| mbed_official | 107:414e9c822e99 | 887 | * \return Number of 1/1024 seconds elapsed within one second. |
| mbed_official | 107:414e9c822e99 | 888 | */ |
| mbed_official | 107:414e9c822e99 | 889 | uint32_t rtc_get_milliseconds(Rtc *p_rtc) |
| mbed_official | 107:414e9c822e99 | 890 | { |
| mbed_official | 107:414e9c822e99 | 891 | return (p_rtc->RTC_MSR) & RTC_MSR_MS_Msk; |
| mbed_official | 107:414e9c822e99 | 892 | } |
| mbed_official | 107:414e9c822e99 | 893 | #endif |
| mbed_official | 107:414e9c822e99 | 894 | |
| mbed_official | 107:414e9c822e99 | 895 | |
| mbed_official | 107:414e9c822e99 | 896 | //@} |
| mbed_official | 107:414e9c822e99 | 897 | |
| mbed_official | 107:414e9c822e99 | 898 | /// @cond 0 |
| mbed_official | 107:414e9c822e99 | 899 | /**INDENT-OFF**/ |
| mbed_official | 107:414e9c822e99 | 900 | #ifdef __cplusplus |
| mbed_official | 107:414e9c822e99 | 901 | } |
| mbed_official | 107:414e9c822e99 | 902 | #endif |
| mbed_official | 107:414e9c822e99 | 903 | /**INDENT-ON**/ |
| mbed_official | 107:414e9c822e99 | 904 | /// @endcond |