传感器数据有2种格式SaHpiUint64T和SaHpiInt64T,应用程序只能处理SaHpiUint64T数据。
如果进行强制类型转换,可能会有什么副作用?
/* unsigned 64-bit data, 8-byte alignment */
typedef unsigned long long int SaHpiUint64T __attribute__((__aligned__(8)));
/* signed 64-bit data, 8-byte alignment */
typedef signed long long int SaHpiInt64T __attribute__((__aligned__(8)));