160 lines
2.8 KiB
C
160 lines
2.8 KiB
C
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#include "dev_backup.h"
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#include "stm32f10x.h"
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#include "board.h"
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// 备份结构体，一共32个字节
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typedef struct{
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uint32_t state;// 程序状态
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uint32_t tick;// 运行时间
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uint32_t reboot_type;// 复位类型
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uint32_t reboot_curr;// 最后一次复位标志
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void (*wdog_refresh)(void);// 刷新看门口
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uint32_t reboot_times;// 软件重启次数
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uint32_t boot_magic_number;// app校验boot是否为指定版本
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}back_def;
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#define g_back ((back_def *)0x20000000)
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// 重启到app
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void bk_reboot_app(void)
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{
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g_back->reboot_type=REBOOT_APP_TO_APP;
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NVIC_SystemReset();
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}
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// 重启到boot
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void bk_reboot_boot(void)
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{
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g_back->reboot_type=REBOOT_BOOT_TO_BOOT;
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NVIC_SystemReset();
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}
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// 重启并升级
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void bk_reboot_updata(void)
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{
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g_back->reboot_type=REBOOT_APP_TO_BOOT;
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NVIC_SystemReset();
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}
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// 重启并引导到app
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void bk_reboot_guide(void)
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{
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g_back->reboot_type=REBOOT_BOOT_TO_APP;
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NVIC_SystemReset();
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}
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// 断言失败重启
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void bk_reboot_param_err(void)
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{
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g_back->reboot_type=REBOOT_PARAM_ERR;
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NVIC_SystemReset();
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}
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// 硬件错误重启
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void bk_reboot_hard_err(void)
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{
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g_back->reboot_type=REBOOT_HARD_ERR;
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NVIC_SystemReset();
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}
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// 获取重启类型
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uint32_t bk_get_boottype(void)
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{
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return g_back->reboot_type;
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}
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static int bk_soft_reboot(void);
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void bk_init(void)
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{
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g_back->reboot_curr=g_back->reboot_type;
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g_back->reboot_type=REBOOT_INIT;
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g_back->wdog_refresh=0;
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g_back->boot_magic_number=BOOT_MAGIC_NUM;
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// 每软件重启一次就增加计数
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if(bk_soft_reboot())
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{
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g_back->reboot_times++;
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}else{
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g_back->reboot_times=0;
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}
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}
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typedef struct{
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uint32_t type;
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const char *str;
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}reboot_type_str;
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static const reboot_type_str g_reboot_str[]={
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{REBOOT_APP_TO_APP,"app restart",},
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{REBOOT_APP_TO_BOOT,"app reboot to boot",},
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{REBOOT_BOOT_TO_APP,"boot guide to app",},
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{REBOOT_BOOT_TO_BOOT,"boot restart",},
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{REBOOT_PARAM_ERR,"param err then reboot",},
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{REBOOT_HARD_ERR,"hard err then reboot",},
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{REBOOT_INIT,"watch dog died then reboot",},
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};
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// 获取最后一次复位原因
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const char *bk_get_currtype(void)
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{
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uint32_t type=g_back->reboot_curr;
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for(int i=0;i<LENGTH(g_reboot_str);i++)
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{
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if(type==g_reboot_str[i].type)
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return g_reboot_str[i].str;
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}
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return "poweron then started";
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}
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// 非上电启动返回1
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static int bk_soft_reboot(void)
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{
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uint32_t type=g_back->reboot_curr;
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for(int i=0;i<LENGTH(g_reboot_str);i++)
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{
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if(type==g_reboot_str[i].type)
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return 1;
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}
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return 0;
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}
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// 重启次数
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uint32_t bk_reboot_times(void)
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{
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return g_back->reboot_times;
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}
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void bk_set_wdog_fun(void (*fun)(void))
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{
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g_back->wdog_refresh=fun;
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}
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void *bk_wdog_fun(void)
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{
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return g_back->wdog_refresh;
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}
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// 校验魔数,不对返回1
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int bk_check_magic_num(void)
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{
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if(g_back->boot_magic_number!=BOOT_MAGIC_NUM){
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return 1;
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}
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return 0;
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}
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