Diff: functions.cpp

Revision:

9:303d3628986a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/functions.cpp	Mon Apr 25 19:34:39 2016 +0000
@@ -0,0 +1,150 @@
+#include "myData.h"
+
+
+uint8_t eNrDaysPerMonth[12]= {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+static uint8_t g_currPage = MAX_PAGE_NUM;  // current page in Flash to be write
+
+uint8_t flash_currPage(){
+    return g_currPage;    
+}
+
+uint8_t flash_go_nextPage(){
+    g_currPage --;
+    if (g_currPage < MIN_PAGE_NUM) {
+        g_currPage = MAX_PAGE_NUM;
+    }
+    return g_currPage;    
+}
+
+
+uint8_t flash_prev_N_Page(uint8_t nr_of_pages){
+    uint8_t retVal;
+    retVal = g_currPage + nr_of_pages;
+    
+    if (retVal > MAX_PAGE_NUM ) {
+        retVal = MIN_PAGE_NUM + (retVal % MAX_PAGE_NUM - 1);
+    }
+    return retVal;    
+}
+
+void save_flash_curr_pageNr(date_t mdata){
+    uint8_t data2write[4];
+    memcpy(&data2write,&mdata,sizeof(date_t));
+    data2write[3] = g_currPage;
+    ble_flash_word_write((((uint32_t *)((uint16_t)256 * 255)) + 254),*(uint32_t*)data2write);
+}
+
+void search_latest_in_flash(date_t * outDate, mtime_t * outTime){
+    uint8_t page_nr, sizeB;
+    uint16_t max_page=(uint16_t)MAX_PAGE_NUM+1u;
+    int retVal;
+    myDataLogShort_t initialData;
+    date_t max_date={16,1,1}, inv_date={255,255,255};
+    mtime_t max_time={0,0,0}, inv_time={255,255,255};
+    
+    sizeB=sizeof(date_t);
+    uint32_t* p_curr_addr;
+    
+    for (page_nr = MAX_PAGE_NUM; page_nr>= MIN_PAGE_NUM; page_nr --){
+        p_curr_addr= (uint32_t *)((uint16_t)BLE_FLASH_PAGE_SIZE * page_nr);
+        p_curr_addr += 2; // skip the magic number and the word count                
+        memcpy((uint32_t*)&initialData, p_curr_addr, 6*sizeof(uint32_t));
+        retVal = memcmp(&initialData.startData.date, &inv_date, sizeB);
+        if (retVal!=0) {
+            retVal = memcmp(&initialData.startData.time, &inv_time, sizeB);
+            if (retVal !=0) {
+                retVal  = memcmp(&initialData.startData.date, &max_date, sizeB);
+                if (retVal >=0) {
+                        if (retVal>0){
+                            memcpy(&max_date, &initialData.startData.date, sizeB);
+                            max_time.hour = 0;
+                            max_time.min = 0;
+                            max_time.sec = 0;
+                        }
+                        retVal = memcmp(&initialData.startData.time, &max_time, sizeB);
+                        if (retVal >=0) {
+                            memcpy(&max_time, &initialData.startData.time, sizeB);
+                            max_page= page_nr;                            
+                        }
+                }
+                
+            }
+        }        
+    }
+   
+    memcpy(outTime, &max_time, sizeB);
+    memcpy(outDate, &max_date, sizeB);
+    g_currPage= (uint8_t)(max_page-1u);
+}
+
+void load_flash_curr_pageNr(date_t *mdata){
+    uint8_t l_currPage[4];    
+    date_t lDate;
+    memcpy(&lDate,mdata,sizeof(date_t));
+    memcpy(&l_currPage,( ((uint32_t *)(BLE_FLASH_PAGE_SIZE * 255)) + 254),sizeof(uint32_t));
+
+    g_currPage = (l_currPage[3]);
+    memcpy(mdata,&l_currPage,sizeof(date_t));
+
+    if (g_currPage< MIN_PAGE_NUM){
+        g_currPage = MAX_PAGE_NUM;
+    }
+    
+    if (mdata->year> 99u){
+        memcpy(mdata,&lDate,sizeof(date_t));
+    }
+    //ble_flash_word_write((uint32_t *)(BLE_FLASH_PAGE_SIZE * MAX_PAGE_NUM),(uint32_t)g_currPage);
+}
+
+void update_time(mtime_manager_t* myTimeVar, mdate_manager_t* myDateVar, uint16_t tseconds){
+    if (myTimeVar->updateTime ==false){
+        myTimeVar->newTime.sec = (myTimeVar->currentTime.sec + tseconds)% 60; 
+        myTimeVar->newTime.min = (myTimeVar->currentTime.min + ((tseconds + myTimeVar->currentTime.sec) / 60))%60;
+        if (myTimeVar->newTime.min< myTimeVar->currentTime.min ) { 
+            myTimeVar->currentTime.hour++;
+        }
+        myTimeVar->newTime.hour = (myTimeVar->currentTime.hour + (tseconds / 3600+myTimeVar->newTime.min/60))%24;
+        if (myTimeVar->newTime.hour < myTimeVar->currentTime.hour){
+            memcpy(&myDateVar->newDate,&myDateVar->currentDate,sizeof(date_t));// fill with default date data
+            
+            myDateVar->newDate.day = (myDateVar->currentDate.day + 1)%(eNrDaysPerMonth[myDateVar->currentDate.month+1]+1);
+            if (myDateVar->newDate.day < myDateVar->currentDate.day ){
+                myDateVar->newDate.month = (myDateVar->currentDate.month+ 1)%13+1;
+                if (myDateVar->newDate.month< myDateVar->currentDate.month){
+                    myDateVar->newDate.year = (myDateVar->currentDate.year+ 1);
+                }
+            }
+           memcpy(&myDateVar->currentDate,&myDateVar->newDate, sizeof(date_t));
+        }
+        memcpy(&myTimeVar->currentTime,&myTimeVar->newTime, sizeof(mtime_t));    
+    } else {
+        memcpy(&myTimeVar->currentTime,&myTimeVar->newTime, sizeof(mtime_t));    
+        myTimeVar->updateTime =false;
+    }
+    if (myDateVar->updateDate ==true){  // there is a new Date ?
+        memcpy(&myDateVar->currentDate,&myDateVar->newDate, sizeof(date_t));
+        myDateVar->updateDate =true;
+    }
+}
+
+
+int buzz_int(PwmOut* buzzer, uint8_t period, uint8_t duty_cycle){
+    int retVal = 0;
+    if ((duty_cycle<10)&&(period<10)){
+        if (period!=0) {        
+            buzzer->period_ms(period);
+            *buzzer = (10.0 - (float)duty_cycle)/9.0;        
+        } else {
+            *buzzer = 0;
+        }
+    } else {
+        retVal=-1;
+    }
+    return retVal;
+}
+
+void assert_error_app(bool condition, Serial *pc, uint16_t error, uint16_t line, const char* file){
+    if (condition) {
+        pc->printf("App err = %d, line = %d, file = %s\r\n",error, line, file);
+    }
+}
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