TI中文支持网ti的 2650 SDK的bios系统，临界代码段保护怎么操作，用哪个api
Viki Shi：
BIOS的操作请参考sdk中的SYS/BIOS (TI-RTOS Kernel) User's Guid
user1388075：
回复 Viki Shi:
没有介绍
user1388075：
回复 Viki Shi:
UInt gateKey;
GateHwi_Handle gateHwi;
GateHwi_Params prms;
Error_Block eb;
Error_init(&eb);
GateHwi_Params_init(&prms);
gateHwi = GateHwi_create(&prms, &eb);
if (gateHwi == NULL) {
System_abort("Gate create failed");
}
/* Simultaneous operations on a global variable by multiple
* threads could cause problems, so modifications to the global
* variable are protected with a Gate. */
gateKey = GateHwi_enter(gateHwi);
myGlobalVar = 7;
GateHwi_leave(gateHwi, gateKey);
user1388075：
回复 user1388075:
"C:/ti/simplelink/ble_sdk_2_02_02_25/src/examples/running_sensor/cc26xx/app/running_sensor.c", line 428: error #20: identifier "GateHwi_Handle" is undefined
"C:/ti/simplelink/ble_sdk_2_02_02_25/src/examples/running_sensor/cc26xx/app/running_sensor.c", line 429: error #20: identifier "GateHwi_Params" is undefined
"C:/ti/simplelink/ble_sdk_2_02_02_25/src/examples/running_sensor/cc26xx/app/running_sensor.c", line 430: error #20: identifier "Error_Block" is undefined
"C:/ti/simplelink/ble_sdk_2_02_02_25/src/examples/running_sensor/cc26xx/app/running_sensor.c", line 431: warning #225-D: function "Error_init" declared implicitly
Viki Shi：
回复 user1388075:
未定义报错，全局变量需要在使用的地方声明成extern
