fatfs 时间函数实现
时钟源由STM32的RTC来实现
1 /** 2 * @brief Gets Time from RTC 3 * @param None 4 * @retval Time in DWORD 5 */ 6 DWORD get_fattime(void) 7 { 8 /* USER CODE BEGIN get_fattime */ 9 uint32_t retValue = 0; 10 uint8_t year = 0,month = 0,day = 0,hour = 0,minuite = 0,second = 0; 11 year = 2000 + sdatestructureget.Year - 1980; 12 month = sdatestructureget.Month; 13 day = sdatestructureget.Date; 14 hour = stimestructureget.Hours; 15 minuite = stimestructureget.Minutes; 16 second = stimestructureget.Seconds/2; 17 retValue = (uint32_t)year<<25 | (uint32_t)month<<21 | (uint32_t)day<<16 | (uint32_t)hour<<11 | (uint32_t)minuite<<5 | second; 18 return retValue; 19 /* USER CODE END get_fattime */ 20 }
