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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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32 void RTC_SetTime(RTC_TimeTypeDef stimestructure)
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33 {
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34
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35 stimestructure.SubSeconds = 0;
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36 stimestructure.TimeFormat = RTC_HOURFORMAT12_AM;
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37 stimestructure.DayLightSaving = RTC_DAYLIGHTSAVING_NONE ;
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38 stimestructure.StoreOperation = RTC_STOREOPERATION_RESET;
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39
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40 if(HAL_RTC_SetTime(&RTCHandle, &stimestructure, FORMAT_BIN) != HAL_OK)
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41 {
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42 RTC_Error_Handler();
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43 }
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44 }
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45
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46
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47 void RTC_SetDate(RTC_DateTypeDef sdatestructure)
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48 {
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49 if(HAL_RTC_SetDate(&RTCHandle, &sdatestructure, FORMAT_BIN) != HAL_OK)
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50 {
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51 RTC_Error_Handler();
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52 }
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53 }
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54
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55
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56 /*
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57 static void RTC_CalendarConfig(void)
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58 {
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59 RTC_DateTypeDef sdatestructure;
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60 RTC_TimeTypeDef stimestructure;
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61
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62 //##-1- Configure the Date #################################################
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63 // Set Date: Monday April 14th 2014
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64 sdatestructure.Year = 0;
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65 sdatestructure.Month = RTC_MONTH_JANUARY;
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66 sdatestructure.Date = 1;
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67 sdatestructure.WeekDay = RTC_WEEKDAY_MONDAY;
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68
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69 if(HAL_RTC_SetDate(&RTCHandle,&sdatestructure,FORMAT_BCD) != HAL_OK)
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70 {
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71 RTC_Error_Handler();
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72 }
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73
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74 //##-2- Configure the Time #################################################
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75 // Set Time: 02:00:00
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76 stimestructure.Hours = 0;
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77 stimestructure.Minutes = 0;
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78 stimestructure.Seconds = 0;
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79 stimestructure.DayLightSaving = RTC_DAYLIGHTSAVING_NONE ;
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80 stimestructure.StoreOperation = RTC_STOREOPERATION_RESET;
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81
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82 if(HAL_RTC_SetTime(&RTCHandle,&stimestructure,FORMAT_BCD) != HAL_OK)
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83 {
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84 RTC_Error_Handler();
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85 }
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86
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87 //##-3- Writes a data in a RTC Backup data Register0 #######################
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88 // HAL_RTCEx_BKUPWrite(&RTCHandle,RTC_BKP_DR0,0x32F2);
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89 }
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90 */
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91
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92
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93 /* ##-1- Configure the RTC peripheral #######################################
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94 Configure RTC prescaler and RTC data registers
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95 RTC configured as follow:
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96 - Hour Format = Format 24
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97 - Asynch Prediv = Value according to source clock
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98 - Synch Prediv = Value according to source clock
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99 - OutPut = Output Disable
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100 - OutPutPolarity = High Polarity
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101 - OutPutType = Open Drain
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102 */
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103
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104
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105 void MX_RTC_init(void)
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106 {
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107
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108 RTC_TimeTypeDef sTime;
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109 RTC_DateTypeDef sDate;
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110 // RTC_AlarmTypeDef sAlarm;
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111
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112 /**Initialize RTC and set the Time and Date
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113 */
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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 sTime.Hours = 11;
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124 sTime.Minutes = 0;
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125 sTime.Seconds = 0;
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126 sTime.SubSeconds = 0;
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127 sTime.TimeFormat = RTC_HOURFORMAT12_AM;
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128 sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
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129 sTime.StoreOperation = RTC_STOREOPERATION_RESET;
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130 HAL_RTC_SetTime(&RTCHandle, &sTime, FORMAT_BCD);
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131
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132 sDate.WeekDay = RTC_WEEKDAY_SUNDAY;
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133 sDate.Month = RTC_MONTH_FEBRUARY;
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134 sDate.Date = 15;
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135 sDate.Year = 17;
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136 HAL_RTC_SetDate(&RTCHandle, &sDate, FORMAT_BCD);
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137
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138
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139 /*
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140 RTCHandle.Instance = RTC;
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141 RTCHandle.Init.HourFormat = RTC_HOURFORMAT_24;
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142 RTCHandle.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;
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143 RTCHandle.Init.SynchPrediv = RTC_SYNCH_PREDIV;
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144 RTCHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
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145 RTCHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
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146 RTCHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
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147
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148 HAL_RTC_Init(&RTCHandle);
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149 */
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150 }
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151
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152
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153 void RTC_StopMode_2seconds(void)
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154 {
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155 /* Enable Power Control clock */
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156 __HAL_RCC_PWR_CLK_ENABLE();
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157
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158 /* Disable Wake-up timer */
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159 HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle);
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160
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161 /* Enable Wake-up timer */
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162 HAL_RTCEx_SetWakeUpTimer_IT(&RTCHandle, (0x1000-1), RTC_WAKEUPCLOCK_RTCCLK_DIV16);
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163
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164 /* FLASH Deep Power Down Mode enabled */
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165 HAL_PWREx_EnableFlashPowerDown();
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166
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167 /*## Enter Stop Mode #######################################################*/
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168 HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
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169
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170 /* Configures system clock after wake-up from STOP: enable HSI, PLL and select
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171 PLL as system clock source (HSI and PLL are disabled in STOP mode) */
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172 SYSCLKConfig_STOP();
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173
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174 HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle);
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175 }
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176
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177
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178 void RTC_Stop_11ms(void)
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179 {
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180 /* Disable Wake-up timer */
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181 HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle);
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182
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183 /* Enable Wake-up timer */
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184 HAL_RTCEx_SetWakeUpTimer_IT(&RTCHandle, (0x18-1), RTC_WAKEUPCLOCK_RTCCLK_DIV16);
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185
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186 /* FLASH Deep Power Down Mode enabled */
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187 HAL_PWREx_DisableFlashPowerDown();
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188
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189 /*## Enter Stop Mode #######################################################*/
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190 HAL_PWR_EnterSTOPMode(PWR_MAINREGULATOR_ON, PWR_STOPENTRY_WFI);
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191
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192 /* Configures system clock after wake-up from STOP: enable HSI, PLL and select
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193 PLL as system clock source (HSI and PLL are disabled in STOP mode) */
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194 SYSCLKConfig_STOP();
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195
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196 HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle);
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197 }
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198
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199
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200 static void RTC_Error_Handler(void)
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201 {
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202 while(1);
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203 }
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204
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205
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206 /************************ (C) COPYRIGHT heinrichs weikamp *****END OF FILE****/
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