Kenji Arai / SetRTC

This is a RTC additional function. This is only for Nucleo F401RE & F411RE mbed(Added L152RE, F334R8, L476RG & F746xx). If you connected battery backup circuit for internal RTC, you can make a power-off and reset condition. RTC still has proper time and date.

Dependents:   Nucleo_rtos_sample PB_Emma_Ethernet

Please refer following NOTE information.
/users/kenjiArai/notebook/nucleo-series-rtc-control-under-power-onoff-and-re/

rtc_api_L476.c@14:78e453d7bb85, 2016-07-02 (annotated)

Committer:
kenjiArai
Date:
Sat Jul 02 03:00:33 2016 +0000
Revision:
14:78e453d7bb85
Parent:
13:44e5327acb05 
Added F746xx and modified main.c

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kenjiArai 13:44e5327acb05 1 #if 0
kenjiArai 13:44e5327acb05 2 /* mbed Microcontroller Library
kenjiArai 13:44e5327acb05 3 *******************************************************************************
kenjiArai 13:44e5327acb05 4 * Copyright (c) 2015, STMicroelectronics
kenjiArai 13:44e5327acb05 5 * All rights reserved.
kenjiArai 13:44e5327acb05 6 *
kenjiArai 13:44e5327acb05 7 * Redistribution and use in source and binary forms, with or without
kenjiArai 13:44e5327acb05 8 * modification, are permitted provided that the following conditions are met:
kenjiArai 13:44e5327acb05 9 *
kenjiArai 13:44e5327acb05 10 * 1. Redistributions of source code must retain the above copyright notice,
kenjiArai 13:44e5327acb05 11 * this list of conditions and the following disclaimer.
kenjiArai 13:44e5327acb05 12 * 2. Redistributions in binary form must reproduce the above copyright notice,
kenjiArai 13:44e5327acb05 13 * this list of conditions and the following disclaimer in the documentation
kenjiArai 13:44e5327acb05 14 * and/or other materials provided with the distribution.
kenjiArai 13:44e5327acb05 15 * 3. Neither the name of STMicroelectronics nor the names of its contributors
kenjiArai 13:44e5327acb05 16 * may be used to endorse or promote products derived from this software
kenjiArai 13:44e5327acb05 17 * without specific prior written permission.
kenjiArai 13:44e5327acb05 18 *
kenjiArai 13:44e5327acb05 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
kenjiArai 13:44e5327acb05 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
kenjiArai 13:44e5327acb05 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
kenjiArai 13:44e5327acb05 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
kenjiArai 13:44e5327acb05 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
kenjiArai 13:44e5327acb05 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
kenjiArai 13:44e5327acb05 25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
kenjiArai 13:44e5327acb05 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
kenjiArai 13:44e5327acb05 27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
kenjiArai 13:44e5327acb05 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
kenjiArai 13:44e5327acb05 29 *******************************************************************************
kenjiArai 13:44e5327acb05 30 */
kenjiArai 13:44e5327acb05 31 #include "rtc_api.h"
kenjiArai 13:44e5327acb05 32
kenjiArai 13:44e5327acb05 33 #if DEVICE_RTC
kenjiArai 13:44e5327acb05 34
kenjiArai 13:44e5327acb05 35 #include "mbed_error.h"
kenjiArai 13:44e5327acb05 36
kenjiArai 13:44e5327acb05 37 #if DEVICE_RTC_LSI
kenjiArai 13:44e5327acb05 38 static int rtc_inited = 0;
kenjiArai 13:44e5327acb05 39 #endif
kenjiArai 13:44e5327acb05 40
kenjiArai 13:44e5327acb05 41 static RTC_HandleTypeDef RtcHandle;
kenjiArai 13:44e5327acb05 42
kenjiArai 13:44e5327acb05 43 //#define ORIGINAL
kenjiArai 13:44e5327acb05 44 #if defined(ORIGINAL)
kenjiArai 13:44e5327acb05 45 #warning "You cannot use SetRTC functions"
kenjiArai 13:44e5327acb05 46 #else
kenjiArai 13:44e5327acb05 47 #warning "You modified mbed-src rtc_api.c for SetRTC functions"
kenjiArai 13:44e5327acb05 48 #endif
kenjiArai 13:44e5327acb05 49
kenjiArai 13:44e5327acb05 50 #if defined(ORIGINAL) // modify part1 of 4 (Start)
kenjiArai 13:44e5327acb05 51 #else
kenjiArai 13:44e5327acb05 52 #define RTC_DAT0 0x55aa55aa
kenjiArai 13:44e5327acb05 53 #define RTC_DAT1 0xaa55aa55
kenjiArai 13:44e5327acb05 54
kenjiArai 13:44e5327acb05 55 uint32_t RTC_ReadBackupRegister(uint32_t RTC_BKP_DR)
kenjiArai 13:44e5327acb05 56 {
kenjiArai 13:44e5327acb05 57 __IO uint32_t tmp = 0;
kenjiArai 13:44e5327acb05 58
kenjiArai 13:44e5327acb05 59 // Check the parameters
kenjiArai 13:44e5327acb05 60 assert_param(IS_RTC_BKP(RTC_BKP_DR));
kenjiArai 13:44e5327acb05 61 tmp = RTC_BASE + 0x50;
kenjiArai 13:44e5327acb05 62 tmp += (RTC_BKP_DR * 4);
kenjiArai 13:44e5327acb05 63 // Read the specified register
kenjiArai 13:44e5327acb05 64 return (*(__IO uint32_t *)tmp);
kenjiArai 13:44e5327acb05 65 }
kenjiArai 13:44e5327acb05 66
kenjiArai 13:44e5327acb05 67 /* Check RTC Backup registers contents */
kenjiArai 13:44e5327acb05 68 uint32_t Check_Rtc_backup_reg( void )
kenjiArai 13:44e5327acb05 69 {
kenjiArai 13:44e5327acb05 70 if ( RTC_ReadBackupRegister( RTC_BKP_DR0 ) == RTC_DAT0 ) {
kenjiArai 13:44e5327acb05 71 if ( RTC_ReadBackupRegister( RTC_BKP_DR1 ) == RTC_DAT1 ) {
kenjiArai 13:44e5327acb05 72 return 1;
kenjiArai 13:44e5327acb05 73 }
kenjiArai 13:44e5327acb05 74 }
kenjiArai 13:44e5327acb05 75 return 0;
kenjiArai 13:44e5327acb05 76 }
kenjiArai 13:44e5327acb05 77
kenjiArai 13:44e5327acb05 78 void RTC_WriteBackupRegister(uint32_t RTC_BKP_DR, uint32_t Data)
kenjiArai 13:44e5327acb05 79 {
kenjiArai 13:44e5327acb05 80 __IO uint32_t tmp = 0;
kenjiArai 13:44e5327acb05 81
kenjiArai 13:44e5327acb05 82 // Check the parameters/
kenjiArai 13:44e5327acb05 83 assert_param(IS_RTC_BKP(RTC_BKP_DR));
kenjiArai 13:44e5327acb05 84 tmp = RTC_BASE + 0x50;
kenjiArai 13:44e5327acb05 85 tmp += (RTC_BKP_DR * 4);
kenjiArai 13:44e5327acb05 86 // Write the specified register/
kenjiArai 13:44e5327acb05 87 *(__IO uint32_t *)tmp = (uint32_t)Data;
kenjiArai 13:44e5327acb05 88 }
kenjiArai 13:44e5327acb05 89 #endif // modify part1 of 4 (End)
kenjiArai 13:44e5327acb05 90
kenjiArai 13:44e5327acb05 91 void rtc_init(void)
kenjiArai 13:44e5327acb05 92 {
kenjiArai 13:44e5327acb05 93 RCC_OscInitTypeDef RCC_OscInitStruct = {0};
kenjiArai 13:44e5327acb05 94 RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
kenjiArai 13:44e5327acb05 95 uint32_t rtc_freq = 0;
kenjiArai 13:44e5327acb05 96
kenjiArai 13:44e5327acb05 97 #if DEVICE_RTC_LSI
kenjiArai 13:44e5327acb05 98 if (rtc_inited) return;
kenjiArai 13:44e5327acb05 99 rtc_inited = 1;
kenjiArai 13:44e5327acb05 100 #endif
kenjiArai 13:44e5327acb05 101
kenjiArai 13:44e5327acb05 102 RtcHandle.Instance = RTC;
kenjiArai 13:44e5327acb05 103
kenjiArai 13:44e5327acb05 104 #if defined(ORIGINAL) // modify part2 of 4 (Start)
kenjiArai 13:44e5327acb05 105 #else
kenjiArai 13:44e5327acb05 106 // Enable Power clock
kenjiArai 13:44e5327acb05 107 __PWR_CLK_ENABLE();
kenjiArai 13:44e5327acb05 108
kenjiArai 13:44e5327acb05 109 // Enable access to Backup domain
kenjiArai 13:44e5327acb05 110 HAL_PWR_EnableBkUpAccess();
kenjiArai 13:44e5327acb05 111
kenjiArai 13:44e5327acb05 112 // Check backup condition
kenjiArai 13:44e5327acb05 113 if ( Check_Rtc_backup_reg() ) {
kenjiArai 13:44e5327acb05 114 return;
kenjiArai 13:44e5327acb05 115 }
kenjiArai 13:44e5327acb05 116 #endif // modify part2 of 4 (End)
kenjiArai 13:44e5327acb05 117 #if !DEVICE_RTC_LSI
kenjiArai 13:44e5327acb05 118 // Enable LSE Oscillator
kenjiArai 13:44e5327acb05 119 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
kenjiArai 13:44e5327acb05 120 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
kenjiArai 13:44e5327acb05 121 RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT
kenjiArai 13:44e5327acb05 122 RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
kenjiArai 13:44e5327acb05 123 if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) { // Check if LSE has started correctly
kenjiArai 13:44e5327acb05 124 // Connect LSE to RTC
kenjiArai 13:44e5327acb05 125 PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
kenjiArai 13:44e5327acb05 126 PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
kenjiArai 13:44e5327acb05 127 HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
kenjiArai 13:44e5327acb05 128 rtc_freq = LSE_VALUE;
kenjiArai 13:44e5327acb05 129 } else {
kenjiArai 13:44e5327acb05 130 error("Cannot initialize RTC with LSE\n");
kenjiArai 13:44e5327acb05 131 }
kenjiArai 13:44e5327acb05 132 #else
kenjiArai 13:44e5327acb05 133 // Enable Power clock
kenjiArai 13:44e5327acb05 134 __HAL_RCC_PWR_CLK_ENABLE();
kenjiArai 13:44e5327acb05 135
kenjiArai 13:44e5327acb05 136 // Enable access to Backup domain
kenjiArai 13:44e5327acb05 137 HAL_PWR_EnableBkUpAccess();
kenjiArai 13:44e5327acb05 138
kenjiArai 13:44e5327acb05 139 // Reset Backup domain
kenjiArai 13:44e5327acb05 140 __HAL_RCC_BACKUPRESET_FORCE();
kenjiArai 13:44e5327acb05 141 __HAL_RCC_BACKUPRESET_RELEASE();
kenjiArai 13:44e5327acb05 142
kenjiArai 13:44e5327acb05 143 // Enable LSI clock
kenjiArai 13:44e5327acb05 144 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
kenjiArai 13:44e5327acb05 145 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
kenjiArai 13:44e5327acb05 146 RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
kenjiArai 13:44e5327acb05 147 RCC_OscInitStruct.LSIState = RCC_LSI_ON;
kenjiArai 13:44e5327acb05 148 if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
kenjiArai 13:44e5327acb05 149 error("Cannot initialize RTC with LSI\n");
kenjiArai 13:44e5327acb05 150 }
kenjiArai 13:44e5327acb05 151 // Connect LSI to RTC
kenjiArai 13:44e5327acb05 152 PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
kenjiArai 13:44e5327acb05 153 PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
kenjiArai 13:44e5327acb05 154 if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
kenjiArai 13:44e5327acb05 155 error("Cannot initialize RTC with LSI\n");
kenjiArai 13:44e5327acb05 156 }
kenjiArai 13:44e5327acb05 157 // This value is LSI typical value (see device datasheet)
kenjiArai 13:44e5327acb05 158 rtc_freq = 32000;
kenjiArai 13:44e5327acb05 159 #endif
kenjiArai 13:44e5327acb05 160
kenjiArai 13:44e5327acb05 161 // Check if RTC is already initialized
kenjiArai 13:44e5327acb05 162 if ((RTC->ISR & RTC_ISR_INITS) == RTC_ISR_INITS) return;
kenjiArai 13:44e5327acb05 163
kenjiArai 13:44e5327acb05 164 // Enable RTC
kenjiArai 13:44e5327acb05 165 __HAL_RCC_RTC_ENABLE();
kenjiArai 13:44e5327acb05 166
kenjiArai 13:44e5327acb05 167 RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
kenjiArai 13:44e5327acb05 168 RtcHandle.Init.AsynchPrediv = 127;
kenjiArai 13:44e5327acb05 169 RtcHandle.Init.SynchPrediv = (rtc_freq / 128) - 1;
kenjiArai 13:44e5327acb05 170 RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
kenjiArai 13:44e5327acb05 171 RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
kenjiArai 13:44e5327acb05 172 RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
kenjiArai 13:44e5327acb05 173
kenjiArai 13:44e5327acb05 174 #if defined(ORIGINAL) // modify part3 of 4 (Start)
kenjiArai 13:44e5327acb05 175 #else
kenjiArai 13:44e5327acb05 176 /* Write backup data into the backup RAM */
kenjiArai 13:44e5327acb05 177 RTC_WriteBackupRegister( RTC_BKP_DR0, RTC_DAT0 );
kenjiArai 13:44e5327acb05 178 RTC_WriteBackupRegister( RTC_BKP_DR1, RTC_DAT1 );
kenjiArai 13:44e5327acb05 179 #endif // modify part3 of 4 (End)
kenjiArai 13:44e5327acb05 180
kenjiArai 13:44e5327acb05 181 if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
kenjiArai 13:44e5327acb05 182 error("Cannot initialize RTC\n");
kenjiArai 13:44e5327acb05 183 }
kenjiArai 13:44e5327acb05 184 }
kenjiArai 13:44e5327acb05 185
kenjiArai 13:44e5327acb05 186 void rtc_free(void)
kenjiArai 13:44e5327acb05 187 {
kenjiArai 13:44e5327acb05 188 #if DEVICE_RTC_LSI
kenjiArai 13:44e5327acb05 189 // Enable Power clock
kenjiArai 13:44e5327acb05 190 __HAL_RCC_PWR_CLK_ENABLE();
kenjiArai 13:44e5327acb05 191
kenjiArai 13:44e5327acb05 192 // Enable access to Backup domain
kenjiArai 13:44e5327acb05 193 HAL_PWR_EnableBkUpAccess();
kenjiArai 13:44e5327acb05 194
kenjiArai 13:44e5327acb05 195 // Reset Backup domain
kenjiArai 13:44e5327acb05 196 __HAL_RCC_BACKUPRESET_FORCE();
kenjiArai 13:44e5327acb05 197 __HAL_RCC_BACKUPRESET_RELEASE();
kenjiArai 13:44e5327acb05 198
kenjiArai 13:44e5327acb05 199 // Disable access to Backup domain
kenjiArai 13:44e5327acb05 200 HAL_PWR_DisableBkUpAccess();
kenjiArai 13:44e5327acb05 201 #endif
kenjiArai 13:44e5327acb05 202
kenjiArai 13:44e5327acb05 203 // Disable LSI and LSE clocks
kenjiArai 13:44e5327acb05 204 RCC_OscInitTypeDef RCC_OscInitStruct;
kenjiArai 13:44e5327acb05 205 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
kenjiArai 13:44e5327acb05 206 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
kenjiArai 13:44e5327acb05 207 RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
kenjiArai 13:44e5327acb05 208 RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
kenjiArai 13:44e5327acb05 209 HAL_RCC_OscConfig(&RCC_OscInitStruct);
kenjiArai 13:44e5327acb05 210
kenjiArai 13:44e5327acb05 211 #if DEVICE_RTC_LSI
kenjiArai 13:44e5327acb05 212 rtc_inited = 0;
kenjiArai 13:44e5327acb05 213 #endif
kenjiArai 13:44e5327acb05 214 }
kenjiArai 13:44e5327acb05 215
kenjiArai 13:44e5327acb05 216 int rtc_isenabled(void)
kenjiArai 13:44e5327acb05 217 {
kenjiArai 13:44e5327acb05 218 #if DEVICE_RTC_LSI
kenjiArai 13:44e5327acb05 219 return rtc_inited;
kenjiArai 13:44e5327acb05 220 #else
kenjiArai 13:44e5327acb05 221 #if defined(ORIGINAL) // modify part4 of 4 (Start)
kenjiArai 13:44e5327acb05 222 if ((RTC->ISR & RTC_ISR_INITS) == RTC_ISR_INITS) {
kenjiArai 13:44e5327acb05 223 return 1;
kenjiArai 13:44e5327acb05 224 } else {
kenjiArai 13:44e5327acb05 225 return 0;
kenjiArai 13:44e5327acb05 226 }
kenjiArai 13:44e5327acb05 227 #else
kenjiArai 13:44e5327acb05 228 return Check_Rtc_backup_reg();
kenjiArai 13:44e5327acb05 229 #endif // modify part4 of 4 (End)
kenjiArai 13:44e5327acb05 230 #endif
kenjiArai 13:44e5327acb05 231 }
kenjiArai 13:44e5327acb05 232
kenjiArai 13:44e5327acb05 233 /*
kenjiArai 13:44e5327acb05 234 RTC Registers
kenjiArai 13:44e5327acb05 235 RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday
kenjiArai 13:44e5327acb05 236 RTC_Month 1=january, 2=february, ..., 12=december
kenjiArai 13:44e5327acb05 237 RTC_Date day of the month 1-31
kenjiArai 13:44e5327acb05 238 RTC_Year year 0-99
kenjiArai 13:44e5327acb05 239 struct tm
kenjiArai 13:44e5327acb05 240 tm_sec seconds after the minute 0-61
kenjiArai 13:44e5327acb05 241 tm_min minutes after the hour 0-59
kenjiArai 13:44e5327acb05 242 tm_hour hours since midnight 0-23
kenjiArai 13:44e5327acb05 243 tm_mday day of the month 1-31
kenjiArai 13:44e5327acb05 244 tm_mon months since January 0-11
kenjiArai 13:44e5327acb05 245 tm_year years since 1900
kenjiArai 13:44e5327acb05 246 tm_wday days since Sunday 0-6
kenjiArai 13:44e5327acb05 247 tm_yday days since January 1 0-365
kenjiArai 13:44e5327acb05 248 tm_isdst Daylight Saving Time flag
kenjiArai 13:44e5327acb05 249 */
kenjiArai 13:44e5327acb05 250 time_t rtc_read(void)
kenjiArai 13:44e5327acb05 251 {
kenjiArai 13:44e5327acb05 252 RTC_DateTypeDef dateStruct;
kenjiArai 13:44e5327acb05 253 RTC_TimeTypeDef timeStruct;
kenjiArai 13:44e5327acb05 254 struct tm timeinfo;
kenjiArai 13:44e5327acb05 255
kenjiArai 13:44e5327acb05 256 RtcHandle.Instance = RTC;
kenjiArai 13:44e5327acb05 257
kenjiArai 13:44e5327acb05 258 // Read actual date and time
kenjiArai 13:44e5327acb05 259 // Warning: the time must be read first!
kenjiArai 13:44e5327acb05 260 HAL_RTC_GetTime(&RtcHandle, &timeStruct, RTC_FORMAT_BIN);
kenjiArai 13:44e5327acb05 261 HAL_RTC_GetDate(&RtcHandle, &dateStruct, RTC_FORMAT_BIN);
kenjiArai 13:44e5327acb05 262
kenjiArai 13:44e5327acb05 263 // Setup a tm structure based on the RTC
kenjiArai 13:44e5327acb05 264 timeinfo.tm_wday = dateStruct.WeekDay;
kenjiArai 13:44e5327acb05 265 timeinfo.tm_mon = dateStruct.Month - 1;
kenjiArai 13:44e5327acb05 266 timeinfo.tm_mday = dateStruct.Date;
kenjiArai 13:44e5327acb05 267 timeinfo.tm_year = dateStruct.Year + 100;
kenjiArai 13:44e5327acb05 268 timeinfo.tm_hour = timeStruct.Hours;
kenjiArai 13:44e5327acb05 269 timeinfo.tm_min = timeStruct.Minutes;
kenjiArai 13:44e5327acb05 270 timeinfo.tm_sec = timeStruct.Seconds;
kenjiArai 13:44e5327acb05 271
kenjiArai 13:44e5327acb05 272 // Convert to timestamp
kenjiArai 13:44e5327acb05 273 time_t t = mktime(&timeinfo);
kenjiArai 13:44e5327acb05 274
kenjiArai 13:44e5327acb05 275 return t;
kenjiArai 13:44e5327acb05 276 }
kenjiArai 13:44e5327acb05 277
kenjiArai 13:44e5327acb05 278 void rtc_write(time_t t)
kenjiArai 13:44e5327acb05 279 {
kenjiArai 13:44e5327acb05 280 RTC_DateTypeDef dateStruct;
kenjiArai 13:44e5327acb05 281 RTC_TimeTypeDef timeStruct;
kenjiArai 13:44e5327acb05 282
kenjiArai 13:44e5327acb05 283 RtcHandle.Instance = RTC;
kenjiArai 13:44e5327acb05 284
kenjiArai 13:44e5327acb05 285 // Convert the time into a tm
kenjiArai 13:44e5327acb05 286 struct tm *timeinfo = localtime(&t);
kenjiArai 13:44e5327acb05 287
kenjiArai 13:44e5327acb05 288 // Fill RTC structures
kenjiArai 13:44e5327acb05 289 dateStruct.WeekDay = timeinfo->tm_wday;
kenjiArai 13:44e5327acb05 290 dateStruct.Month = timeinfo->tm_mon + 1;
kenjiArai 13:44e5327acb05 291 dateStruct.Date = timeinfo->tm_mday;
kenjiArai 13:44e5327acb05 292 dateStruct.Year = timeinfo->tm_year - 100;
kenjiArai 13:44e5327acb05 293 timeStruct.Hours = timeinfo->tm_hour;
kenjiArai 13:44e5327acb05 294 timeStruct.Minutes = timeinfo->tm_min;
kenjiArai 13:44e5327acb05 295 timeStruct.Seconds = timeinfo->tm_sec;
kenjiArai 13:44e5327acb05 296 timeStruct.TimeFormat = RTC_HOURFORMAT12_PM;
kenjiArai 13:44e5327acb05 297 timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
kenjiArai 13:44e5327acb05 298 timeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
kenjiArai 13:44e5327acb05 299
kenjiArai 13:44e5327acb05 300 // Change the RTC current date/time
kenjiArai 13:44e5327acb05 301 HAL_RTC_SetDate(&RtcHandle, &dateStruct, RTC_FORMAT_BIN);
kenjiArai 13:44e5327acb05 302 HAL_RTC_SetTime(&RtcHandle, &timeStruct, RTC_FORMAT_BIN);
kenjiArai 13:44e5327acb05 303 }
kenjiArai 13:44e5327acb05 304
kenjiArai 13:44e5327acb05 305 #endif
kenjiArai 13:44e5327acb05 306 #endif