myFunctions.cpp

00001 #include "myData.h"
00002 
00003 
00004 uint8_t eNrDaysPerMonth[12]= {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
00005 static uint8_t g_currPage = MAX_PAGE_NUM;  // current page in Flash to be write
00006 
00007 uint8_t flash_currPage(){
00008     return g_currPage;    
00009 }
00010 
00011 uint8_t flash_go_nextPage(){
00012     g_currPage --;
00013     if (g_currPage < MIN_PAGE_NUM) {
00014         g_currPage = MAX_PAGE_NUM;
00015     }
00016     return g_currPage;    
00017 }
00018 
00019 
00020 uint8_t flash_prev_N_Page(uint8_t nr_of_pages){
00021     uint8_t retVal;
00022     retVal = g_currPage + nr_of_pages;
00023     
00024     if (retVal > MAX_PAGE_NUM ) {
00025         retVal = MIN_PAGE_NUM + (retVal % MAX_PAGE_NUM - 1);
00026     }
00027     return retVal;    
00028 }
00029 
00030 void search_latest_in_flash(mdate_time_t * outDateTime){
00031     uint8_t page_nr, sizeB,temp[6];
00032     uint16_t max_page=(uint16_t)MAX_PAGE_NUM+1u;
00033     int retVal;
00034     mdate_time_t max_datetime={16,1,1,0,0,0}, inv_datetime={255,255,255,255,255,255};
00035     
00036     sizeB=sizeof(mdate_time_t);
00037     uint32_t* p_curr_addr;
00038     
00039     for (page_nr = MAX_PAGE_NUM; page_nr>= MIN_PAGE_NUM; page_nr --){
00040         p_curr_addr= (uint32_t *)((uint16_t)BLE_FLASH_PAGE_SIZE * page_nr);
00041         p_curr_addr += 2; // skip the magic number and the word count                
00042         
00043         memcpy(temp, p_curr_addr, sizeB);        
00044         retVal = memcmp(&temp, &inv_datetime, sizeB);
00045         if (retVal!=0) {
00046             retVal  = memcmp(&temp, &max_datetime, sizeB);
00047                 if (retVal >0) {
00048                         memcpy(&max_datetime, &temp, sizeB);
00049                         max_page= page_nr;
00050                 }
00051         }
00052     }
00053    
00054     memcpy(outDateTime, &max_datetime, sizeB);    
00055     g_currPage= (uint8_t)(max_page-1u);
00056 }
00057 
00058 void update_time(mdatetime_manager_t* myDateTimeVar, uint16_t tseconds){
00059     //memcpy(&myDateTimeVar->newDateTime, &myDateTimeVar->currentDateTime, sizeof(mdate_time_t));    
00060     if (myDateTimeVar->updateDateTime ==false){
00061         myDateTimeVar->newDateTime.seconds = (myDateTimeVar->currentDateTime.seconds + tseconds)% 60; 
00062         myDateTimeVar->newDateTime.minutes = (myDateTimeVar->currentDateTime.minutes + ((tseconds + myDateTimeVar->currentDateTime.seconds) / 60))%60;
00063         if (myDateTimeVar->newDateTime.minutes< myDateTimeVar->currentDateTime.minutes ) { 
00064             myDateTimeVar->currentDateTime.hours++;
00065         }
00066         myDateTimeVar->newDateTime.hours = (myDateTimeVar->currentDateTime.hours + (tseconds / 3600+myDateTimeVar->newDateTime.minutes/60))%24;
00067         if (myDateTimeVar->newDateTime.hours < myDateTimeVar->currentDateTime.hours){
00068             myDateTimeVar->newDateTime.day = (myDateTimeVar->currentDateTime.day + 1)%(eNrDaysPerMonth[myDateTimeVar->currentDateTime.month+1]+1);
00069             if (myDateTimeVar->newDateTime.day < myDateTimeVar->currentDateTime.day ){
00070                 myDateTimeVar->newDateTime.month = (myDateTimeVar->currentDateTime.month+ 1)%13+1;
00071                 if (myDateTimeVar->newDateTime.month< myDateTimeVar->currentDateTime.month){
00072                     myDateTimeVar->newDateTime.year = (myDateTimeVar->currentDateTime.year+ 1);
00073                 }
00074             }         
00075         }        
00076     } else {        
00077         myDateTimeVar->updateDateTime =false;
00078     }
00079     
00080     if (myDateTimeVar->updateDateTime ==true){  // there is a new Date ?        
00081         myDateTimeVar->updateDateTime =true;
00082     }
00083     memcpy(&myDateTimeVar->currentDateTime,&myDateTimeVar->newDateTime, sizeof(mdate_time_t));    
00084 }
00085 
00086 
00087 int buzz_int(PwmOut* buzzer, uint8_t period, uint8_t duty_cycle){
00088     int retVal = 0;
00089     if ((duty_cycle<10)&&(period<10)){
00090         if (period!=0) {        
00091             buzzer->period_ms(period);
00092             *buzzer = (10.0 - (float)duty_cycle)/9.0;        
00093         } else {
00094             *buzzer = 0;
00095         }
00096     } else {
00097         retVal=-1;
00098     }
00099     return retVal;
00100 }
00101 
00102 void assert_error_app(bool condition, Serial *pc, uint16_t error, uint16_t line, const char* file){
00103     if (condition) {
00104         pc->printf("App err = %d, line = %d, file = %s\r\n",error, line, file);
00105     }
00106 }