C语言结构体数组[3],[4]是什么意思,参数怎么提取?

ID:302293 · 发表于 2022-6-15 18:08

typedef enum {
      PORT2 = 2,                      /* RS485 port2 */
      PORT3,                               /* RS485 port3 */
      PORT4,                               /* RS485 port4 */
} SBUPORT;
typedef enum
{
a1,
a2,
}SUBTYPE ;
typedef struct {
      uint8_t exAlarmID             : 8;
      uint8_t exAlarmPort       : 2;
      uint8_t alarmCH             : 5;
      uint8_t alarmSW             : 1;
} alarm_cfg_t;
alarm_cfg_t uk;
typedef struct {
      uint8_t exAlarmID       ;
      uint8_t exAlarmPort       ;
      uint8_t alarmCH             ;
      uint8_t alarmSW             ;
} cb;
typedef struct {
      /* 采集子设备通用配置 */
      SUBTYPE       type;
      uint16_t       vendor;       /* 设备供应商， 0为默认设备 */
      SBUPORT       port;
      uint16_t       devID;
      alarm_cfg_t alarm;       /* 报警配置 */

      /* 采集子设备私有配置参数 */
      struct {
            uint16_t cfg[MAX_PRIVATE_PRARS];
      } priv;
} subdev_cfg_t;
subdev_cfg_t number[5]=
{
   {.type=1 },
[3]={.type=2,1,PORT3,3,5},
  [4]={.type=2,1,PORT3,3,5},

};

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