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CCS/TMS320C6678: SYSBIOS conflit with PDK_C6678?

Part Number: TMS320C6678
Other Parts Discussed in Thread: SYSBIOS

Tool/software: Code Composer Studio

hello,

i want to sue sysbios to create a running led project.

when i donot use sysbios ,the project can run in the EVM C6678,but ,after i use sysbios ,the project cannot through compile.

The problems are:

Description Resource Path Location Type
#10010 errors encountered during linking; "ClockLed_sysbios_v2.0.out" not built ClockLed_sysbios_v2.0 C/C++ Problem
<a href="processors.wiki.ti.com/.../10234"> unresolved symbols remain ClockLed_sysbios_v2.0 C/C++ Problem
gmake: *** [all] Error 2 ClockLed_sysbios_v2.0 C/C++ Problem
gmake[1]: *** [ClockLed_sysbios_v2.0.out] Error 1 ClockLed_sysbios_v2.0 C/C++ Problem
unresolved symbol Osal_platformFree, first referenced in C:/ti/pdk_C6678_1_1_2_6/packages/ti/platform/evmc6678l/platform_lib/lib/debug/ti.platform.evm6678l.ae66<platform.obj> ClockLed_sysbios_v2.0 C/C++ Problem
unresolved symbol Osal_platformMalloc, first referenced in C:/ti/pdk_C6678_1_1_2_6/packages/ti/platform/evmc6678l/platform_lib/lib/debug/ti.platform.evm6678l.ae66<platform.obj> ClockLed_sysbios_v2.0 C/C++ Problem
unresolved symbol Osal_platformSpiCsEnter, first referenced in C:/ti/pdk_C6678_1_1_2_6/packages/ti/platform/evmc6678l/platform_lib/lib/debug/ti.platform.evm6678l.ae66<evmc66x_spi.obj> ClockLed_sysbios_v2.0 C/C++ Problem
unresolved symbol Osal_platformSpiCsExit, first referenced in C:/ti/pdk_C6678_1_1_2_6/packages/ti/platform/evmc6678l/platform_lib/lib/debug/ti.platform.evm6678l.ae66<evmc66x_spi.obj> ClockLed_sysbios_v2.0 C/C++ Problem

i have already add the path in "include options" in C6000 Compiler.

"C:\ti\pdk_C6678_1_1_2_6\packages\ti\platform"

"C:\ti\pdk_C6678_1_1_2_6\packages"

i also add the path in "File Search Path" in C6000 Linker.

"C:\ti\pdk_C6678_1_1_2_6\packages\ti\platform\evmc6678l\platform_lib\lib\debug\ti.platform.evm6678l.ae66"

Those adding path like the project with no sysbios.

Question:

1. in sysbios project,can i use pdk library?and how?

2, if i can use pdk ,my error is what?