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标题: 带中括号的枚举值是怎么回事 [打印本页]

作者: nevermore 时间: 2016-4-23 22:02
标题: 带中括号的枚举值是怎么回事
/// Possible states of the QPPS task
enum
{
/// Disabled state
QPPS_DISABLED,
/// Idle state
QPPS_IDLE,
/// Connected state
QPPS_CONNECTED,

/// Number of defined states.
QPPS_STATE_MAX,
};

/// Disabled State handler definition.
const struct ke_msg_handler qpps_disabled[] =
{
{QPPS_CREATE_DB_REQ,       (ke_msg_func_t) qpps_create_db_req_handler}
};

/// Idle State handler definition.
const struct ke_msg_handler qpps_idle[] =
{
{QPPS_ENABLE_REQ,          (ke_msg_func_t) qpps_enable_req_handler}
};

/// Connected State handler definition.
const struct ke_msg_handler qpps_connected[] =
{
{QPPS_DATA_SEND_REQ, (ke_msg_func_t) qpps_data_send_req_handler},
{GATT_WRITE_CMD_IND, (ke_msg_func_t) gatt_write_cmd_ind_handler},
{GATT_NOTIFY_CMP_EVT, (ke_msg_func_t) gatt_notify_cmp_evt_handler},
};

/// Specifies the message handler structure for every input state.
const struct ke_state_handler qpps_state_handler[QPPS_STATE_MAX] =
{
[QPPS_DISABLED]    = KE_STATE_HANDLER(qpps_disabled),
[QPPS_IDLE]          = KE_STATE_HANDLER(qpps_idle),
[QPPS_CONNECTED] = KE_STATE_HANDLER(qpps_connected),
};

最后一个结构体里，枚举值加上中括号再赋值是什么用法

作者: 牛头 时间: 2016-4-25 09:22
:lol 编译器的特性，给数组里指定的变量附值。

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