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38
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1 /**
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2 ******************************************************************************
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3 * @file rtc.c
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4 * @author heinrichs weikamp gmbh
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5 * @version V0.0.1
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6 * @date 10-Oct-2014
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7 * @brief Source code for rtc control
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8 *
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9 @verbatim
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10 ==============================================================================
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11 ##### How to use #####
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12 ==============================================================================
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13 @endverbatim
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14 ******************************************************************************
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15 * @attention
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16 *
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17 * <h2><center>© COPYRIGHT(c) 2015 heinrichs weikamp</center></h2>
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18 *
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19 ******************************************************************************
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20 */
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21 /* Includes ------------------------------------------------------------------*/
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22 #include "rtc.h"
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23 #include "stm32f4xx_hal.h"
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24 #include "stm32f4xx_hal_conf.h"
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25 #include "baseCPU2.h"
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26
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27 RTC_HandleTypeDef RTCHandle;
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28
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29 static void RTC_Error_Handler(void);
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30
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31
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955
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32
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33 void RTC_GetTime(RTC_TimeTypeDef* pstimestructure)
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34 {
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35 HAL_RTC_GetTime(&RTCHandle, pstimestructure, RTC_FORMAT_BIN);
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36 }
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37
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38
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38 void RTC_SetTime(RTC_TimeTypeDef stimestructure)
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39 {
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40
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41 stimestructure.SubSeconds = 0;
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232
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42 stimestructure.TimeFormat = RTC_HOURFORMAT_24;
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38
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43 stimestructure.DayLightSaving = RTC_DAYLIGHTSAVING_NONE ;
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44 stimestructure.StoreOperation = RTC_STOREOPERATION_RESET;
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45
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46 if(HAL_RTC_SetTime(&RTCHandle, &stimestructure, FORMAT_BIN) != HAL_OK)
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47 {
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48 RTC_Error_Handler();
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49 }
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50 }
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51
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52
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53 void RTC_SetDate(RTC_DateTypeDef sdatestructure)
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54 {
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55 if(HAL_RTC_SetDate(&RTCHandle, &sdatestructure, FORMAT_BIN) != HAL_OK)
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56 {
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57 RTC_Error_Handler();
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58 }
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59 }
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60
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61
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62 /*
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63 static void RTC_CalendarConfig(void)
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64 {
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65 RTC_DateTypeDef sdatestructure;
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66 RTC_TimeTypeDef stimestructure;
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67
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68 //##-1- Configure the Date #################################################
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69 // Set Date: Monday April 14th 2014
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70 sdatestructure.Year = 0;
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71 sdatestructure.Month = RTC_MONTH_JANUARY;
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72 sdatestructure.Date = 1;
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73 sdatestructure.WeekDay = RTC_WEEKDAY_MONDAY;
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74
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75 if(HAL_RTC_SetDate(&RTCHandle,&sdatestructure,FORMAT_BCD) != HAL_OK)
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76 {
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77 RTC_Error_Handler();
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78 }
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79
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80 //##-2- Configure the Time #################################################
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81 // Set Time: 02:00:00
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82 stimestructure.Hours = 0;
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83 stimestructure.Minutes = 0;
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84 stimestructure.Seconds = 0;
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85 stimestructure.DayLightSaving = RTC_DAYLIGHTSAVING_NONE ;
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86 stimestructure.StoreOperation = RTC_STOREOPERATION_RESET;
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87
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88 if(HAL_RTC_SetTime(&RTCHandle,&stimestructure,FORMAT_BCD) != HAL_OK)
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89 {
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90 RTC_Error_Handler();
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91 }
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92
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93 //##-3- Writes a data in a RTC Backup data Register0 #######################
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94 // HAL_RTCEx_BKUPWrite(&RTCHandle,RTC_BKP_DR0,0x32F2);
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95 }
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96 */
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97
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98
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99 /* ##-1- Configure the RTC peripheral #######################################
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100 Configure RTC prescaler and RTC data registers
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101 RTC configured as follow:
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102 - Hour Format = Format 24
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103 - Asynch Prediv = Value according to source clock
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104 - Synch Prediv = Value according to source clock
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105 - OutPut = Output Disable
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106 - OutPutPolarity = High Polarity
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107 - OutPutType = Open Drain
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108 */
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109
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110
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111 void MX_RTC_init(void)
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112 {
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232
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113 /* Initialize RTC */
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38
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114 RTCHandle.Instance = RTC;
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115 RTCHandle.Init.HourFormat = RTC_HOURFORMAT_24;
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116 RTCHandle.Init.AsynchPrediv = 127;
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117 RTCHandle.Init.SynchPrediv = 255;
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118 RTCHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
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119 RTCHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
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120 RTCHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
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121 HAL_RTC_Init(&RTCHandle);
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122 }
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123
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124
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125 void RTC_StopMode_2seconds(void)
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126 {
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127 /* Enable Power Control clock */
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128 __HAL_RCC_PWR_CLK_ENABLE();
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129
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130 /* Disable Wake-up timer */
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131 HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle);
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132
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133 /* Enable Wake-up timer */
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134 HAL_RTCEx_SetWakeUpTimer_IT(&RTCHandle, (0x1000-1), RTC_WAKEUPCLOCK_RTCCLK_DIV16);
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135
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136 /* FLASH Deep Power Down Mode enabled */
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137 HAL_PWREx_EnableFlashPowerDown();
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138
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139 /*## Enter Stop Mode #######################################################*/
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140 HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
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141
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142 /* Configures system clock after wake-up from STOP: enable HSI, PLL and select
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143 PLL as system clock source (HSI and PLL are disabled in STOP mode) */
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144 SYSCLKConfig_STOP();
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145
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146 HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle);
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147 }
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148
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149
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150 void RTC_Stop_11ms(void)
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151 {
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152 /* Disable Wake-up timer */
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153 HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle);
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154
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155 /* Enable Wake-up timer */
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156 HAL_RTCEx_SetWakeUpTimer_IT(&RTCHandle, (0x18-1), RTC_WAKEUPCLOCK_RTCCLK_DIV16);
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157
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158 /* FLASH Deep Power Down Mode enabled */
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159 HAL_PWREx_DisableFlashPowerDown();
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160
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161 /*## Enter Stop Mode #######################################################*/
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162 HAL_PWR_EnterSTOPMode(PWR_MAINREGULATOR_ON, PWR_STOPENTRY_WFI);
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163
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164 /* Configures system clock after wake-up from STOP: enable HSI, PLL and select
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165 PLL as system clock source (HSI and PLL are disabled in STOP mode) */
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166 SYSCLKConfig_STOP();
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167
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168 HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle);
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169 }
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170
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171
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172 static void RTC_Error_Handler(void)
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173 {
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174 while(1);
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175 }
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176
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177
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178 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/
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