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_F334.c@9:1af4e107ca7b, 2015-05-23 (annotated)
- Committer:
- kenjiArai
- Date:
- Sat May 23 21:07:12 2015 +0000
- Revision:
- 9:1af4e107ca7b
- Child:
- 13:44e5327acb05
Added F334R8
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kenjiArai | 9:1af4e107ca7b | 1 | #if 0 |
kenjiArai | 9:1af4e107ca7b | 2 | /* mbed Microcontroller Library |
kenjiArai | 9:1af4e107ca7b | 3 | ******************************************************************************* |
kenjiArai | 9:1af4e107ca7b | 4 | * Copyright (c) 2014, STMicroelectronics |
kenjiArai | 9:1af4e107ca7b | 5 | * All rights reserved. |
kenjiArai | 9:1af4e107ca7b | 6 | * |
kenjiArai | 9:1af4e107ca7b | 7 | * Redistribution and use in source and binary forms, with or without |
kenjiArai | 9:1af4e107ca7b | 8 | * modification, are permitted provided that the following conditions are met: |
kenjiArai | 9:1af4e107ca7b | 9 | * |
kenjiArai | 9:1af4e107ca7b | 10 | * 1. Redistributions of source code must retain the above copyright notice, |
kenjiArai | 9:1af4e107ca7b | 11 | * this list of conditions and the following disclaimer. |
kenjiArai | 9:1af4e107ca7b | 12 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
kenjiArai | 9:1af4e107ca7b | 13 | * this list of conditions and the following disclaimer in the documentation |
kenjiArai | 9:1af4e107ca7b | 14 | * and/or other materials provided with the distribution. |
kenjiArai | 9:1af4e107ca7b | 15 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
kenjiArai | 9:1af4e107ca7b | 16 | * may be used to endorse or promote products derived from this software |
kenjiArai | 9:1af4e107ca7b | 17 | * without specific prior written permission. |
kenjiArai | 9:1af4e107ca7b | 18 | * |
kenjiArai | 9:1af4e107ca7b | 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
kenjiArai | 9:1af4e107ca7b | 20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
kenjiArai | 9:1af4e107ca7b | 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
kenjiArai | 9:1af4e107ca7b | 22 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
kenjiArai | 9:1af4e107ca7b | 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
kenjiArai | 9:1af4e107ca7b | 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
kenjiArai | 9:1af4e107ca7b | 25 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
kenjiArai | 9:1af4e107ca7b | 26 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
kenjiArai | 9:1af4e107ca7b | 27 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
kenjiArai | 9:1af4e107ca7b | 28 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
kenjiArai | 9:1af4e107ca7b | 29 | ******************************************************************************* |
kenjiArai | 9:1af4e107ca7b | 30 | */ |
kenjiArai | 9:1af4e107ca7b | 31 | #include "rtc_api.h" |
kenjiArai | 9:1af4e107ca7b | 32 | |
kenjiArai | 9:1af4e107ca7b | 33 | #if DEVICE_RTC |
kenjiArai | 9:1af4e107ca7b | 34 | |
kenjiArai | 9:1af4e107ca7b | 35 | #include "mbed_error.h" |
kenjiArai | 9:1af4e107ca7b | 36 | |
kenjiArai | 9:1af4e107ca7b | 37 | static int rtc_inited = 0; |
kenjiArai | 9:1af4e107ca7b | 38 | |
kenjiArai | 9:1af4e107ca7b | 39 | static RTC_HandleTypeDef RtcHandle; |
kenjiArai | 9:1af4e107ca7b | 40 | |
kenjiArai | 9:1af4e107ca7b | 41 | //#define ORIGINAL |
kenjiArai | 9:1af4e107ca7b | 42 | #if defined(ORIGINAL) |
kenjiArai | 9:1af4e107ca7b | 43 | #warning "You cannot use SetRTC functions" |
kenjiArai | 9:1af4e107ca7b | 44 | #else |
kenjiArai | 9:1af4e107ca7b | 45 | #warning "You modified mbed-src rtc_api.c for SetRTC functions" |
kenjiArai | 9:1af4e107ca7b | 46 | #endif |
kenjiArai | 9:1af4e107ca7b | 47 | |
kenjiArai | 9:1af4e107ca7b | 48 | #if defined(ORIGINAL) // modify part1 of 4 (Start) |
kenjiArai | 9:1af4e107ca7b | 49 | #else |
kenjiArai | 9:1af4e107ca7b | 50 | #define RTC_DAT0 0x55aa55aa |
kenjiArai | 9:1af4e107ca7b | 51 | #define RTC_DAT1 0xaa55aa55 |
kenjiArai | 9:1af4e107ca7b | 52 | |
kenjiArai | 9:1af4e107ca7b | 53 | uint32_t RTC_ReadBackupRegister(uint32_t RTC_BKP_DR) |
kenjiArai | 9:1af4e107ca7b | 54 | { |
kenjiArai | 9:1af4e107ca7b | 55 | __IO uint32_t tmp = 0; |
kenjiArai | 9:1af4e107ca7b | 56 | |
kenjiArai | 9:1af4e107ca7b | 57 | // Check the parameters |
kenjiArai | 9:1af4e107ca7b | 58 | assert_param(IS_RTC_BKP(RTC_BKP_DR)); |
kenjiArai | 9:1af4e107ca7b | 59 | tmp = RTC_BASE + 0x50; |
kenjiArai | 9:1af4e107ca7b | 60 | tmp += (RTC_BKP_DR * 4); |
kenjiArai | 9:1af4e107ca7b | 61 | // Read the specified register |
kenjiArai | 9:1af4e107ca7b | 62 | return (*(__IO uint32_t *)tmp); |
kenjiArai | 9:1af4e107ca7b | 63 | } |
kenjiArai | 9:1af4e107ca7b | 64 | |
kenjiArai | 9:1af4e107ca7b | 65 | /* Check RTC Backup registers contents */ |
kenjiArai | 9:1af4e107ca7b | 66 | uint32_t Check_Rtc_backup_reg( void ) |
kenjiArai | 9:1af4e107ca7b | 67 | { |
kenjiArai | 9:1af4e107ca7b | 68 | if ( RTC_ReadBackupRegister( RTC_BKP_DR0 ) == RTC_DAT0 ) { |
kenjiArai | 9:1af4e107ca7b | 69 | if ( RTC_ReadBackupRegister( RTC_BKP_DR1 ) == RTC_DAT1 ) { |
kenjiArai | 9:1af4e107ca7b | 70 | return 1; |
kenjiArai | 9:1af4e107ca7b | 71 | } |
kenjiArai | 9:1af4e107ca7b | 72 | } |
kenjiArai | 9:1af4e107ca7b | 73 | return 0; |
kenjiArai | 9:1af4e107ca7b | 74 | } |
kenjiArai | 9:1af4e107ca7b | 75 | |
kenjiArai | 9:1af4e107ca7b | 76 | void RTC_WriteBackupRegister(uint32_t RTC_BKP_DR, uint32_t Data) |
kenjiArai | 9:1af4e107ca7b | 77 | { |
kenjiArai | 9:1af4e107ca7b | 78 | __IO uint32_t tmp = 0; |
kenjiArai | 9:1af4e107ca7b | 79 | |
kenjiArai | 9:1af4e107ca7b | 80 | // Check the parameters/ |
kenjiArai | 9:1af4e107ca7b | 81 | assert_param(IS_RTC_BKP(RTC_BKP_DR)); |
kenjiArai | 9:1af4e107ca7b | 82 | tmp = RTC_BASE + 0x50; |
kenjiArai | 9:1af4e107ca7b | 83 | tmp += (RTC_BKP_DR * 4); |
kenjiArai | 9:1af4e107ca7b | 84 | // Write the specified register/ |
kenjiArai | 9:1af4e107ca7b | 85 | *(__IO uint32_t *)tmp = (uint32_t)Data; |
kenjiArai | 9:1af4e107ca7b | 86 | } |
kenjiArai | 9:1af4e107ca7b | 87 | #endif // modify part1 of 4 (End) |
kenjiArai | 9:1af4e107ca7b | 88 | |
kenjiArai | 9:1af4e107ca7b | 89 | void rtc_init(void) |
kenjiArai | 9:1af4e107ca7b | 90 | { |
kenjiArai | 9:1af4e107ca7b | 91 | RCC_OscInitTypeDef RCC_OscInitStruct; |
kenjiArai | 9:1af4e107ca7b | 92 | uint32_t rtc_freq = 0; |
kenjiArai | 9:1af4e107ca7b | 93 | |
kenjiArai | 9:1af4e107ca7b | 94 | #if defined(ORIGINAL) // modify part2 of 4 (Start) |
kenjiArai | 9:1af4e107ca7b | 95 | if (rtc_inited) return; |
kenjiArai | 9:1af4e107ca7b | 96 | rtc_inited = 1; |
kenjiArai | 9:1af4e107ca7b | 97 | |
kenjiArai | 9:1af4e107ca7b | 98 | RtcHandle.Instance = RTC; |
kenjiArai | 9:1af4e107ca7b | 99 | |
kenjiArai | 9:1af4e107ca7b | 100 | // Enable Power clock |
kenjiArai | 9:1af4e107ca7b | 101 | __PWR_CLK_ENABLE(); |
kenjiArai | 9:1af4e107ca7b | 102 | |
kenjiArai | 9:1af4e107ca7b | 103 | // Enable access to Backup domain |
kenjiArai | 9:1af4e107ca7b | 104 | HAL_PWR_EnableBkUpAccess(); |
kenjiArai | 9:1af4e107ca7b | 105 | #else |
kenjiArai | 9:1af4e107ca7b | 106 | RtcHandle.Instance = RTC; |
kenjiArai | 9:1af4e107ca7b | 107 | |
kenjiArai | 9:1af4e107ca7b | 108 | // Enable Power clock |
kenjiArai | 9:1af4e107ca7b | 109 | __PWR_CLK_ENABLE(); |
kenjiArai | 9:1af4e107ca7b | 110 | |
kenjiArai | 9:1af4e107ca7b | 111 | // Enable access to Backup domain |
kenjiArai | 9:1af4e107ca7b | 112 | HAL_PWR_EnableBkUpAccess(); |
kenjiArai | 9:1af4e107ca7b | 113 | |
kenjiArai | 9:1af4e107ca7b | 114 | // Check backup condition |
kenjiArai | 9:1af4e107ca7b | 115 | if ( Check_Rtc_backup_reg() ) { |
kenjiArai | 9:1af4e107ca7b | 116 | return; |
kenjiArai | 9:1af4e107ca7b | 117 | } |
kenjiArai | 9:1af4e107ca7b | 118 | #endif // modify part2 of 4 (End) |
kenjiArai | 9:1af4e107ca7b | 119 | |
kenjiArai | 9:1af4e107ca7b | 120 | // Reset Backup domain |
kenjiArai | 9:1af4e107ca7b | 121 | __HAL_RCC_BACKUPRESET_FORCE(); |
kenjiArai | 9:1af4e107ca7b | 122 | __HAL_RCC_BACKUPRESET_RELEASE(); |
kenjiArai | 9:1af4e107ca7b | 123 | |
kenjiArai | 9:1af4e107ca7b | 124 | // Enable LSE Oscillator |
kenjiArai | 9:1af4e107ca7b | 125 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE; |
kenjiArai | 9:1af4e107ca7b | 126 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; /* Mandatory, otherwise the PLL is reconfigured! */ |
kenjiArai | 9:1af4e107ca7b | 127 | RCC_OscInitStruct.LSEState = RCC_LSE_ON; /* External 32.768 kHz clock on OSC_IN/OSC_OUT */ |
kenjiArai | 9:1af4e107ca7b | 128 | if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) { |
kenjiArai | 9:1af4e107ca7b | 129 | // Connect LSE to RTC |
kenjiArai | 9:1af4e107ca7b | 130 | __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE); |
kenjiArai | 9:1af4e107ca7b | 131 | rtc_freq = LSE_VALUE; |
kenjiArai | 9:1af4e107ca7b | 132 | } else { |
kenjiArai | 9:1af4e107ca7b | 133 | // Enable LSI clock |
kenjiArai | 9:1af4e107ca7b | 134 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; |
kenjiArai | 9:1af4e107ca7b | 135 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured! |
kenjiArai | 9:1af4e107ca7b | 136 | RCC_OscInitStruct.LSEState = RCC_LSE_OFF; |
kenjiArai | 9:1af4e107ca7b | 137 | RCC_OscInitStruct.LSIState = RCC_LSI_ON; |
kenjiArai | 9:1af4e107ca7b | 138 | if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { |
kenjiArai | 9:1af4e107ca7b | 139 | error("RTC error: LSI clock initialization failed."); |
kenjiArai | 9:1af4e107ca7b | 140 | } |
kenjiArai | 9:1af4e107ca7b | 141 | // Connect LSI to RTC |
kenjiArai | 9:1af4e107ca7b | 142 | __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI); |
kenjiArai | 9:1af4e107ca7b | 143 | // Note: The LSI clock can be measured precisely using a timer input capture. |
kenjiArai | 9:1af4e107ca7b | 144 | rtc_freq = LSI_VALUE; |
kenjiArai | 9:1af4e107ca7b | 145 | } |
kenjiArai | 9:1af4e107ca7b | 146 | |
kenjiArai | 9:1af4e107ca7b | 147 | // Enable RTC |
kenjiArai | 9:1af4e107ca7b | 148 | __HAL_RCC_RTC_ENABLE(); |
kenjiArai | 9:1af4e107ca7b | 149 | |
kenjiArai | 9:1af4e107ca7b | 150 | RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24; |
kenjiArai | 9:1af4e107ca7b | 151 | RtcHandle.Init.AsynchPrediv = 127; |
kenjiArai | 9:1af4e107ca7b | 152 | RtcHandle.Init.SynchPrediv = (rtc_freq / 128) - 1; |
kenjiArai | 9:1af4e107ca7b | 153 | RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE; |
kenjiArai | 9:1af4e107ca7b | 154 | RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH; |
kenjiArai | 9:1af4e107ca7b | 155 | RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN; |
kenjiArai | 9:1af4e107ca7b | 156 | |
kenjiArai | 9:1af4e107ca7b | 157 | #if defined(ORIGINAL) // modify part3 of 4 (Start) |
kenjiArai | 9:1af4e107ca7b | 158 | #else |
kenjiArai | 9:1af4e107ca7b | 159 | /* Write backup data into the backup RAM */ |
kenjiArai | 9:1af4e107ca7b | 160 | RTC_WriteBackupRegister( RTC_BKP_DR0, RTC_DAT0 ); |
kenjiArai | 9:1af4e107ca7b | 161 | RTC_WriteBackupRegister( RTC_BKP_DR1, RTC_DAT1 ); |
kenjiArai | 9:1af4e107ca7b | 162 | #endif // modify part3 of 4 (End) |
kenjiArai | 9:1af4e107ca7b | 163 | |
kenjiArai | 9:1af4e107ca7b | 164 | if (HAL_RTC_Init(&RtcHandle) != HAL_OK) { |
kenjiArai | 9:1af4e107ca7b | 165 | error("RTC error: RTC initialization failed."); |
kenjiArai | 9:1af4e107ca7b | 166 | } |
kenjiArai | 9:1af4e107ca7b | 167 | } |
kenjiArai | 9:1af4e107ca7b | 168 | |
kenjiArai | 9:1af4e107ca7b | 169 | void rtc_free(void) |
kenjiArai | 9:1af4e107ca7b | 170 | { |
kenjiArai | 9:1af4e107ca7b | 171 | // Enable Power clock |
kenjiArai | 9:1af4e107ca7b | 172 | __PWR_CLK_ENABLE(); |
kenjiArai | 9:1af4e107ca7b | 173 | |
kenjiArai | 9:1af4e107ca7b | 174 | // Enable access to Backup domain |
kenjiArai | 9:1af4e107ca7b | 175 | HAL_PWR_EnableBkUpAccess(); |
kenjiArai | 9:1af4e107ca7b | 176 | |
kenjiArai | 9:1af4e107ca7b | 177 | // Reset Backup domain |
kenjiArai | 9:1af4e107ca7b | 178 | __HAL_RCC_BACKUPRESET_FORCE(); |
kenjiArai | 9:1af4e107ca7b | 179 | __HAL_RCC_BACKUPRESET_RELEASE(); |
kenjiArai | 9:1af4e107ca7b | 180 | |
kenjiArai | 9:1af4e107ca7b | 181 | // Disable access to Backup domain |
kenjiArai | 9:1af4e107ca7b | 182 | HAL_PWR_DisableBkUpAccess(); |
kenjiArai | 9:1af4e107ca7b | 183 | |
kenjiArai | 9:1af4e107ca7b | 184 | // Disable LSI and LSE clocks |
kenjiArai | 9:1af4e107ca7b | 185 | RCC_OscInitTypeDef RCC_OscInitStruct; |
kenjiArai | 9:1af4e107ca7b | 186 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; |
kenjiArai | 9:1af4e107ca7b | 187 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; |
kenjiArai | 9:1af4e107ca7b | 188 | RCC_OscInitStruct.LSIState = RCC_LSI_OFF; |
kenjiArai | 9:1af4e107ca7b | 189 | RCC_OscInitStruct.LSEState = RCC_LSE_OFF; |
kenjiArai | 9:1af4e107ca7b | 190 | HAL_RCC_OscConfig(&RCC_OscInitStruct); |
kenjiArai | 9:1af4e107ca7b | 191 | |
kenjiArai | 9:1af4e107ca7b | 192 | rtc_inited = 0; |
kenjiArai | 9:1af4e107ca7b | 193 | } |
kenjiArai | 9:1af4e107ca7b | 194 | |
kenjiArai | 9:1af4e107ca7b | 195 | int rtc_isenabled(void) |
kenjiArai | 9:1af4e107ca7b | 196 | { |
kenjiArai | 9:1af4e107ca7b | 197 | #if defined(ORIGINAL) // modify part4 of 4 (Start) |
kenjiArai | 9:1af4e107ca7b | 198 | return rtc_inited; |
kenjiArai | 9:1af4e107ca7b | 199 | #else |
kenjiArai | 9:1af4e107ca7b | 200 | return Check_Rtc_backup_reg(); |
kenjiArai | 9:1af4e107ca7b | 201 | #endif // modify part4 of 4 (End) |
kenjiArai | 9:1af4e107ca7b | 202 | } |
kenjiArai | 9:1af4e107ca7b | 203 | |
kenjiArai | 9:1af4e107ca7b | 204 | /* |
kenjiArai | 9:1af4e107ca7b | 205 | RTC Registers |
kenjiArai | 9:1af4e107ca7b | 206 | RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday |
kenjiArai | 9:1af4e107ca7b | 207 | RTC_Month 1=january, 2=february, ..., 12=december |
kenjiArai | 9:1af4e107ca7b | 208 | RTC_Date day of the month 1-31 |
kenjiArai | 9:1af4e107ca7b | 209 | RTC_Year year 0-99 |
kenjiArai | 9:1af4e107ca7b | 210 | struct tm |
kenjiArai | 9:1af4e107ca7b | 211 | tm_sec seconds after the minute 0-61 |
kenjiArai | 9:1af4e107ca7b | 212 | tm_min minutes after the hour 0-59 |
kenjiArai | 9:1af4e107ca7b | 213 | tm_hour hours since midnight 0-23 |
kenjiArai | 9:1af4e107ca7b | 214 | tm_mday day of the month 1-31 |
kenjiArai | 9:1af4e107ca7b | 215 | tm_mon months since January 0-11 |
kenjiArai | 9:1af4e107ca7b | 216 | tm_year years since 1900 |
kenjiArai | 9:1af4e107ca7b | 217 | tm_wday days since Sunday 0-6 |
kenjiArai | 9:1af4e107ca7b | 218 | tm_yday days since January 1 0-365 |
kenjiArai | 9:1af4e107ca7b | 219 | tm_isdst Daylight Saving Time flag |
kenjiArai | 9:1af4e107ca7b | 220 | */ |
kenjiArai | 9:1af4e107ca7b | 221 | time_t rtc_read(void) |
kenjiArai | 9:1af4e107ca7b | 222 | { |
kenjiArai | 9:1af4e107ca7b | 223 | RTC_DateTypeDef dateStruct; |
kenjiArai | 9:1af4e107ca7b | 224 | RTC_TimeTypeDef timeStruct; |
kenjiArai | 9:1af4e107ca7b | 225 | struct tm timeinfo; |
kenjiArai | 9:1af4e107ca7b | 226 | |
kenjiArai | 9:1af4e107ca7b | 227 | RtcHandle.Instance = RTC; |
kenjiArai | 9:1af4e107ca7b | 228 | |
kenjiArai | 9:1af4e107ca7b | 229 | // Read actual date and time |
kenjiArai | 9:1af4e107ca7b | 230 | // Warning: the time must be read first! |
kenjiArai | 9:1af4e107ca7b | 231 | HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN); |
kenjiArai | 9:1af4e107ca7b | 232 | HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN); |
kenjiArai | 9:1af4e107ca7b | 233 | |
kenjiArai | 9:1af4e107ca7b | 234 | // Setup a tm structure based on the RTC |
kenjiArai | 9:1af4e107ca7b | 235 | timeinfo.tm_wday = dateStruct.WeekDay; |
kenjiArai | 9:1af4e107ca7b | 236 | timeinfo.tm_mon = dateStruct.Month - 1; |
kenjiArai | 9:1af4e107ca7b | 237 | timeinfo.tm_mday = dateStruct.Date; |
kenjiArai | 9:1af4e107ca7b | 238 | timeinfo.tm_year = dateStruct.Year + 100; |
kenjiArai | 9:1af4e107ca7b | 239 | timeinfo.tm_hour = timeStruct.Hours; |
kenjiArai | 9:1af4e107ca7b | 240 | timeinfo.tm_min = timeStruct.Minutes; |
kenjiArai | 9:1af4e107ca7b | 241 | timeinfo.tm_sec = timeStruct.Seconds; |
kenjiArai | 9:1af4e107ca7b | 242 | |
kenjiArai | 9:1af4e107ca7b | 243 | // Convert to timestamp |
kenjiArai | 9:1af4e107ca7b | 244 | time_t t = mktime(&timeinfo); |
kenjiArai | 9:1af4e107ca7b | 245 | |
kenjiArai | 9:1af4e107ca7b | 246 | return t; |
kenjiArai | 9:1af4e107ca7b | 247 | } |
kenjiArai | 9:1af4e107ca7b | 248 | |
kenjiArai | 9:1af4e107ca7b | 249 | void rtc_write(time_t t) |
kenjiArai | 9:1af4e107ca7b | 250 | { |
kenjiArai | 9:1af4e107ca7b | 251 | RTC_DateTypeDef dateStruct; |
kenjiArai | 9:1af4e107ca7b | 252 | RTC_TimeTypeDef timeStruct; |
kenjiArai | 9:1af4e107ca7b | 253 | |
kenjiArai | 9:1af4e107ca7b | 254 | RtcHandle.Instance = RTC; |
kenjiArai | 9:1af4e107ca7b | 255 | |
kenjiArai | 9:1af4e107ca7b | 256 | // Convert the time into a tm |
kenjiArai | 9:1af4e107ca7b | 257 | struct tm *timeinfo = localtime(&t); |
kenjiArai | 9:1af4e107ca7b | 258 | |
kenjiArai | 9:1af4e107ca7b | 259 | // Fill RTC structures |
kenjiArai | 9:1af4e107ca7b | 260 | dateStruct.WeekDay = timeinfo->tm_wday; |
kenjiArai | 9:1af4e107ca7b | 261 | dateStruct.Month = timeinfo->tm_mon + 1; |
kenjiArai | 9:1af4e107ca7b | 262 | dateStruct.Date = timeinfo->tm_mday; |
kenjiArai | 9:1af4e107ca7b | 263 | dateStruct.Year = timeinfo->tm_year - 100; |
kenjiArai | 9:1af4e107ca7b | 264 | timeStruct.Hours = timeinfo->tm_hour; |
kenjiArai | 9:1af4e107ca7b | 265 | timeStruct.Minutes = timeinfo->tm_min; |
kenjiArai | 9:1af4e107ca7b | 266 | timeStruct.Seconds = timeinfo->tm_sec; |
kenjiArai | 9:1af4e107ca7b | 267 | timeStruct.TimeFormat = RTC_HOURFORMAT12_PM; |
kenjiArai | 9:1af4e107ca7b | 268 | timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE; |
kenjiArai | 9:1af4e107ca7b | 269 | timeStruct.StoreOperation = RTC_STOREOPERATION_RESET; |
kenjiArai | 9:1af4e107ca7b | 270 | |
kenjiArai | 9:1af4e107ca7b | 271 | // Change the RTC current date/time |
kenjiArai | 9:1af4e107ca7b | 272 | HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN); |
kenjiArai | 9:1af4e107ca7b | 273 | HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN); |
kenjiArai | 9:1af4e107ca7b | 274 | } |
kenjiArai | 9:1af4e107ca7b | 275 | |
kenjiArai | 9:1af4e107ca7b | 276 | #endif |
kenjiArai | 9:1af4e107ca7b | 277 | |
kenjiArai | 9:1af4e107ca7b | 278 | #endif |