Diff: Config.cpp

Revision:

7:dc29f6647486

diff -r aa51cc3b9f90 -r dc29f6647486 Config.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Config.cpp	Thu Nov 12 21:21:48 2015 +0000
@@ -0,0 +1,82 @@
+#include "WakeupLight.h"
+
+//#define USE_RTC
+
+#define CT_MAGIC_VALUE              0x546865DF      // 'Theß'
+
+#ifdef USE_RTC
+    uint32_t                        *rtcBackupRegisters;
+#else
+    uint32_t                        configSpace[CT_MAX];
+#endif
+
+void Config_Init(void)
+{
+    uint32_t                index;
+
+    #ifdef USE_RTC
+
+        RTC_TypeDef             *rtc;
+    
+        rtc=(RTC_TypeDef *)RTC_BASE;
+        rtcBackupRegisters=(uint32_t *)&rtc->BKP0R;
+    
+        if (rtcBackupRegisters[CT_MAGIC]!=CT_MAGIC_VALUE)
+        {
+            DPrintf("Config_Init: Reset config because of 0x%08X.\r\n",rtcBackupRegisters[CT_MAGIC]);
+    
+            for (index=0;index<=CT_MAX;index++)
+                rtcBackupRegisters[index]=0;
+    
+            rtcBackupRegisters[CT_MAGIC]=CT_MAGIC_VALUE;
+        }
+
+    #else
+
+        for (index=0;index<=CT_MAX;index++)
+            configSpace[index]=0;
+
+        configSpace[CT_MAGIC]=CT_MAGIC_VALUE;
+
+    #endif
+}
+
+uint32_t Config_Get(CONFIG_TYPE_ENUM type)
+{
+    if (type>CT_MAX)
+        return 0;
+
+    DPrintf_("Config_Get: %u -> 0x%X.\r\n",type,configSpace[type]);
+
+    #ifdef USE_RTC
+        return rtcBackupRegisters[type];
+    #else
+        return configSpace[type];
+    #endif
+}
+
+void Config_Set(CONFIG_TYPE_ENUM type,uint32_t value)
+{
+    if (type>CT_MAX)
+        return;
+
+    DPrintf_("Config_Set: %u -> 0x%X.\r\n",type,value);
+
+    #ifdef USE_RTC
+
+        RTC_TypeDef             *rtc;
+
+        rtc=(RTC_TypeDef *)RTC_BASE;
+        rtc->WPR=0xCA;
+        rtc->WPR=0x53;
+
+        rtcBackupRegisters[type]=value;
+
+        rtc->WPR=0xFF;
+
+    #else
+
+        configSpace[type]=value;
+
+    #endif
+}