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59 lines
1.4 KiB
59 lines
1.4 KiB
4 months ago
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#include "../app/app_data_save.h"
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#include "../msp/msp_eeprom.h"
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#include "app_config.h"
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DATA_SAVE data_save_arr[DATA_SAVE_LEN] = {0};
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//初始化存放数据的结构体数组data_save_arr
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void data_save_init()
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{
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int i = 0;
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for(i = 0;i < DATA_SAVE_LEN; i++)
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{
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data_save_arr[i].head[0] = HEAD0;
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data_save_arr[i].head[1] = HEAD1;
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data_save_arr[i].available = 1;
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data_save_arr[i].val = 0;
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data_save_arr[i].tail[0] = TAIL0;
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data_save_arr[i].tail[1] = TAIL1;
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}
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}
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//存放数据到eeprom中：1.从eeprom中取出数组 2.遍历寻找空位 3.把数组放回（写入）eeprom中
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void data_save_push(U8 Data)
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{
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int i = 0;
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int free = 0;
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// 从eeprom中取出数组
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L0_Iap_Read_array(EEPROM_DATA_ADDR, data_save_arr,sizeof(data_save_arr));
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if(data_save_arr[0].head[0] != HEAD0 || data_save_arr[0].head[1] != HEAD1
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|| data_save_arr[0].tail[0] != TAIL0 || data_save_arr[0].tail[1] != TAIL1)
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{
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data_save_init();
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}
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// 遍历寻找空位
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for(i = 0;i < DATA_SAVE_LEN; i++)
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{
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if(data_save_arr[i].available == 1)
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{
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free = i;
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break;
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}
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}
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// 当都有数据时
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if(i == DATA_SAVE_LEN)
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{
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for(i = 0; i < DATA_SAVE_LEN - 1; i++)
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{
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data_save_arr[i] = data_save_arr[i+1];
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}
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free = DATA_SAVE_LEN - 1;
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}
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// 放到free位置
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data_save_arr[free].available = 0;
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data_save_arr[free].val = Data;
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// 把数组放回（写入）eeprom中
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L0_Iap_Program_array(EEPROM_DATA_ADDR, data_save_arr,sizeof(data_save_arr));
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}
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