C2000™︎ 微控制器（参考译文帖）

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[参考译文] TMS320F2.8379万D：使用VCU2和amp执行RFFT；C28x_vcu2_library_fpu32库存在问题。

admin

Guru**** 2535150 points

Other Parts Discussed in Thread: C2000WARE, SYSCONFIG

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/1090843/tms320f28379d-performing-rfft-with-vcu2-having-issue-with-the-c28x_vcu2_library_fpu32-library

部件号：TMS320F2.8379万D
主题中讨论的其他部件：C2000WARE， sysconfig

我们希望对通过ADC输入采样的栅极电压的32个采样进行FFT。在这方面，我有以下疑问：

1-为了在处理时间方面获得最有效的代码，我应该使用VCU2库吗？

2-是否应该使用RFFT而不是CFFT，因为所有ADC样本都是实际值？

3- 项目的输出格式设置为EABI格式。我还添加了更多EABI格式的库，包括IQmath和定点库。具有FPU32支持的VCU2库在C2000 Ware 4.1 ．0.00 中似乎不能以EABI格式提供。在添加唯一可用的支持fpu32的VCU2库时，即C28x_vcu2_library_fpu32.lib，会出现以下警告：

警告#1.0373万-D：库"C：/ti/C2000Ware_4_01_00_00/libraries/DSP/VCU/c28/lib/C28x_vcu2_library_fpu32.lib"包含与ELF输出文件不兼容的TI-COFF对象文件。确保使用正确的库。
警告#1.0373万-D：库"C：/ti/C2000Ware_4_01_00_00/libraries/DSP/VCU/c28/lib/C28x_vcu2_library_fpu32.lib"包含与ELF输出文件不兼容的TI-COFF对象文件。确保使用正确的库。

请告诉我如何解决此问题。是否可以提供EABI格式的vcu2浮点库，或者我是否需要修改项目设置？

4-另请确认以下处理器选项是否充分利用了可用的处理器硬件加速器，或者是否有更好的设置。我们的应用是对整流器的数字控制和一些需要FFT计算的信号处理。

完成以下优化设置：

请指导有关浮点模式设置的信息，因为有两个选项：“放松”或“严格”。我观察到编译器建议将其设置为“宽松”。

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

更新：我已使用生成配置ISA_C28FPU32和eabi输出格式重建C28x_vcu2_library项目。我认为生成的库对于fpu32支持是正确的，并且是以EABI格式生成的，因为我的项目现在编译时没有发出警告1.0373万-D 请告诉我，这是第3点的正确解决方案吗？

我将收到如下所示的新警告：

说明资源路径位置类型
#48-D不兼容的宏"NULL"重新定义(声明位于"C：\ti\C2000Ware_4_01_00\driverlib\f2837xD\driverlib\inc/HW_types.h"的2837的第81行).ccsproject /F2.8379万D_Launchpad_00\cu第41行，外部位置：c：\ti\C28_Varlib\HW_Types.h\cc_DSP库vcu2_types.h

很明显，这是由于两个不同文件中有多个NULL宏的声明。当我打算在项目中使用driverlib函数以及vcu2库进行FFT计算时，如何解决此问题？

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

在按照C2000Ware的示例代码操作时，我还遇到了另一个问题。在链接阶段会出现以下错误：

未定义的第一个引用
文件中的符号
－－－－－－－－－－－－－－－－－－－ --------
CFFT_init32Pt ./main.obj
CFFT_run32Pt ./main.obj
CFFT_UNpack./main.obj

完整的输出如下所示：

    parentObjectMgr: <ref *2> b {
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      nonObjectMembers: [Array],
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      addSeqNum: 8,
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      sharedByMember: [o],
      interfaceReqs: [h],
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      sharedModuleInstanceReqs: [u],
      moduleReqs: [s],
      id: 'myCLA4',
      nameMemberMgr: [s],
      hardwareMemberMgr: [A]
    },
    formattersMap: s { objectToId: [Map], idToFormatter: [Object], currentIndex: 421 },
    def: {
      name: 'intconfig_CLA_TASK_6',
      displayName: 'C28 Interrupt Configuration for CLA Task 6',
      moduleName: '/driverlib/interrupt.js',
      collapsed: true,
      args: [Object]
    },
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      parentInstanceMgr: [b],
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      moduleReqs: [s],
      id: 'myInterrupt10',
      nameMemberMgr: [s],
      hardwareMemberMgr: [A]
    },
    uiState: { hidden: false, readOnly: false },
    valueObjectMgr: <ref *12> b {
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      moduleReqs: [s],
      id: 'myInterrupt10',
      nameMemberMgr: [s],
      hardwareMemberMgr: [A]
    },
    runtime: $ {
      deviceData: [Object],
      userPref: [Object],
      products: [Array],
      compiler: 'ccs',
      ccxxImageMode: false,
      targetDBDevice: '',
      pinmuxUIOptions: [Object],
      pinMap: [Object],
      formattersMap: [s],
      id: 0,
      context: [Object],
      rtos: 'none',
      interfaceMap: [Map],
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      loadedModules: [Object],
      moduleMgrs: [Object],
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      systemUtils: [Object],
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      addSeqNum: 35,
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      getRTOS: [Function (anonymous)],
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      codeGenerator: [Object],
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      clockTreeConfig: {}
    },
    type: 'container',
    showLongDescription: false,
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  },
  intconfig_CLA_TASK_7: u {
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      id: 'myCLA4',
      nameMemberMgr: [s],
      hardwareMemberMgr: [A]
    },
    formattersMap: s { objectToId: [Map], idToFormatter: [Object], currentIndex: 421 },
    def: {
      name: 'intconfig_CLA_TASK_7',
      displayName: 'C28 Interrupt Configuration for CLA Task 7',
      moduleName: '/driverlib/interrupt.js',
      collapsed: true,
      args: [Object]
    },
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      moduleReqs: [s],
      id: 'myInterrupt11',
      nameMemberMgr: [s],
      hardwareMemberMgr: [A]
    },
    isInternalReference: false,
    requiredByParent: [],
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    value: <ref *13> b {
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      addSeqNum: 16,
      parentModuleInstanceAdderMgr: undefined,
      parentInstanceMgr: [b],
      sharedByMember: [o],
      interfaceReqs: [h],
      moduleInstanceReqs: [d],
      sharedModuleInstanceReqs: [u],
      moduleReqs: [s],
      id: 'myInterrupt11',
      nameMemberMgr: [s],
      hardwareMemberMgr: [A]
    },
    lastNonUserSetValue: <ref *13> b {
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      interfaceReqs: [h],
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      moduleReqs: [s],
      id: 'myInterrupt11',
      nameMemberMgr: [s],
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    },
    uiState: { hidden: false, readOnly: false },
    valueObjectMgr: <ref *13> b {
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    },
    runtime: $ {
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      compiler: 'ccs',
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      pinmuxUIOptions: [Object],
      pinMap: [Object],
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      id: 0,
      context: [Object],
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      interfaceMap: [Map],
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      moduleMgrs: [Object],
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      clockTreeConfig: {}
    },
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  },
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      moduleReqs: [s],
      id: 'myCLA4',
      nameMemberMgr: [s],
      hardwareMemberMgr: [A]
    },
    formattersMap: s { objectToId: [Map], idToFormatter: [Object], currentIndex: 421 },
    def: {
      name: 'intconfig_CLA_TASK_8',
      displayName: 'C28 Interrupt Configuration for CLA Task 8',
      moduleName: '/driverlib/interrupt.js',
      collapsed: true,
      args: [Object]
    },
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      id: 'myInterrupt12',
      nameMemberMgr: [s],
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    },
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      boardDataChangedEvent: [Object],
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      getRTOS: [Function (anonymous)],
      suppress: [Function (anonymous)],
      excludeFromBuild: [Function (anonymous)],
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    type: 'container',
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}
Validating...
Generating Code (IP_Inverter.syscfg)...
Writing D:\International Product\TI_LaunchPad\F28379D_Launchpad_CLA\CPU1_FLASH\syscfg\board.c...
Writing D:\International Product\TI_LaunchPad\F28379D_Launchpad_CLA\CPU1_FLASH\syscfg\board.h...
Writing D:\International Product\TI_LaunchPad\F28379D_Launchpad_CLA\CPU1_FLASH\syscfg\pinmux.csv...
Writing D:\International Product\TI_LaunchPad\F28379D_Launchpad_CLA\CPU1_FLASH\syscfg\epwm.dot...
Writing D:\International Product\TI_LaunchPad\F28379D_Launchpad_CLA\CPU1_FLASH\syscfg\adc.dot...
Writing D:\International Product\TI_LaunchPad\F28379D_Launchpad_CLA\CPU1_FLASH\syscfg\c2000ware_libraries.cmd.genlibs...
Writing D:\International Product\TI_LaunchPad\F28379D_Launchpad_CLA\CPU1_FLASH\syscfg\c2000ware_libraries.opt...
Writing D:\International Product\TI_LaunchPad\F28379D_Launchpad_CLA\CPU1_FLASH\syscfg\c2000ware_libraries.c...
Writing D:\International Product\TI_LaunchPad\F28379D_Launchpad_CLA\CPU1_FLASH\syscfg\c2000ware_libraries.h...
Finished building: "../IP_Inverter.syscfg"
 
Building file: "syscfg/c2000ware_libraries.c"
Invoking: C2000 Compiler
"C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/bin/cl2000" -v28 -ml -mt --cla_support=cla1 --float_support=fpu32 --tmu_support=tmu0 --vcu_support=vcu2 -O2 --fp_mode=relaxed --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/VCU/c28/include/vcu2" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/FixedPoint/c28/include" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/math/IQmath/c28/include" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device/include" --include_path="C:/ti/C2000Ware_4_01_00_00/driverlib/f2837xD/driverlib" --include_path="C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/include" --define=CPU1 --define=DEBUG --define=_FLASH --define=CLA_C --define=_DUAL_CORE_ --define=F2837XD_DEVICE --diag_suppress=10063 --diag_warning=225 --diag_wrap=off --display_error_number --abi=eabi --cla_background_task=off --cla_signed_compare_workaround=on --preproc_with_compile --preproc_dependency="syscfg/c2000ware_libraries.d_raw" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/CPU1_FLASH/syscfg" --obj_directory="syscfg" --cmd_file="syscfg/c2000ware_libraries.opt"  "syscfg/c2000ware_libraries.c"
Finished building: "syscfg/c2000ware_libraries.c"
 
Building file: "../cla_tasks.cla"
Invoking: C2000 Compiler
"C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/bin/cl2000" -v28 -ml -mt --cla_support=cla1 --float_support=fpu32 --tmu_support=tmu0 --vcu_support=vcu2 -O2 --fp_mode=relaxed --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/VCU/c28/include/vcu2" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/FixedPoint/c28/include" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/math/IQmath/c28/include" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device/include" --include_path="C:/ti/C2000Ware_4_01_00_00/driverlib/f2837xD/driverlib" --include_path="C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/include" --define=CPU1 --define=DEBUG --define=_FLASH --define=CLA_C --define=_DUAL_CORE_ --define=F2837XD_DEVICE --diag_suppress=10063 --diag_warning=225 --diag_wrap=off --display_error_number --abi=eabi --cla_background_task=off --cla_signed_compare_workaround=on --preproc_with_compile --preproc_dependency="cla_tasks.d_raw" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/CPU1_FLASH/syscfg" --cmd_file="syscfg/c2000ware_libraries.opt"  "../cla_tasks.cla"
Finished building: "../cla_tasks.cla"
 
Building file: "../device/F2837xD_CodeStartBranch.asm"
Invoking: C2000 Compiler
"C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/bin/cl2000" -v28 -ml -mt --cla_support=cla1 --float_support=fpu32 --tmu_support=tmu0 --vcu_support=vcu2 -O2 --fp_mode=relaxed --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/VCU/c28/include/vcu2" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/FixedPoint/c28/include" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/math/IQmath/c28/include" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device/include" --include_path="C:/ti/C2000Ware_4_01_00_00/driverlib/f2837xD/driverlib" --include_path="C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/include" --define=CPU1 --define=DEBUG --define=_FLASH --define=CLA_C --define=_DUAL_CORE_ --define=F2837XD_DEVICE --diag_suppress=10063 --diag_warning=225 --diag_wrap=off --display_error_number --abi=eabi --cla_background_task=off --cla_signed_compare_workaround=on --preproc_with_compile --preproc_dependency="device/F2837xD_CodeStartBranch.d_raw" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/CPU1_FLASH/syscfg" --obj_directory="device" --cmd_file="syscfg/c2000ware_libraries.opt"  "../device/F2837xD_CodeStartBranch.asm"
Finished building: "../device/F2837xD_CodeStartBranch.asm"
 
Building file: "syscfg/board.c"
Invoking: C2000 Compiler
"C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/bin/cl2000" -v28 -ml -mt --cla_support=cla1 --float_support=fpu32 --tmu_support=tmu0 --vcu_support=vcu2 -O2 --fp_mode=relaxed --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/VCU/c28/include/vcu2" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/FixedPoint/c28/include" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/math/IQmath/c28/include" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device/include" --include_path="C:/ti/C2000Ware_4_01_00_00/driverlib/f2837xD/driverlib" --include_path="C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/include" --define=CPU1 --define=DEBUG --define=_FLASH --define=CLA_C --define=_DUAL_CORE_ --define=F2837XD_DEVICE --diag_suppress=10063 --diag_warning=225 --diag_wrap=off --display_error_number --abi=eabi --cla_background_task=off --cla_signed_compare_workaround=on --preproc_with_compile --preproc_dependency="syscfg/board.d_raw" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/CPU1_FLASH/syscfg" --obj_directory="syscfg" --cmd_file="syscfg/c2000ware_libraries.opt"  "syscfg/board.c"
Finished building: "syscfg/board.c"
 
Building file: "../main.c"
Invoking: C2000 Compiler
"C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/bin/cl2000" -v28 -ml -mt --cla_support=cla1 --float_support=fpu32 --tmu_support=tmu0 --vcu_support=vcu2 -O2 --fp_mode=relaxed --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/VCU/c28/include/vcu2" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/FixedPoint/c28/include" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/math/IQmath/c28/include" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device/include" --include_path="C:/ti/C2000Ware_4_01_00_00/driverlib/f2837xD/driverlib" --include_path="C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/include" --define=CPU1 --define=DEBUG --define=_FLASH --define=CLA_C --define=_DUAL_CORE_ --define=F2837XD_DEVICE --diag_suppress=10063 --diag_warning=225 --diag_wrap=off --display_error_number --abi=eabi --cla_background_task=off --cla_signed_compare_workaround=on --preproc_with_compile --preproc_dependency="main.d_raw" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/CPU1_FLASH/syscfg" --cmd_file="syscfg/c2000ware_libraries.opt"  "../main.c"
"C:/ti/C2000Ware_4_01_00_00/libraries/dsp/VCU/c28/include/vcu2/vcu2_types.h", line 41: warning #48-D: incompatible redefinition of macro "NULL" (declared at line 81 of "C:\ti\C2000Ware_4_01_00_00\driverlib\f2837xD\driverlib\inc/hw_types.h")
Finished building: "../main.c"
 
Building file: "../Aux_Grid_Controller.c"
Invoking: C2000 Compiler
"C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/bin/cl2000" -v28 -ml -mt --cla_support=cla1 --float_support=fpu32 --tmu_support=tmu0 --vcu_support=vcu2 -O2 --fp_mode=relaxed --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/VCU/c28/include/vcu2" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/FixedPoint/c28/include" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/math/IQmath/c28/include" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device/include" --include_path="C:/ti/C2000Ware_4_01_00_00/driverlib/f2837xD/driverlib" --include_path="C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/include" --define=CPU1 --define=DEBUG --define=_FLASH --define=CLA_C --define=_DUAL_CORE_ --define=F2837XD_DEVICE --diag_suppress=10063 --diag_warning=225 --diag_wrap=off --display_error_number --abi=eabi --cla_background_task=off --cla_signed_compare_workaround=on --preproc_with_compile --preproc_dependency="Aux_Grid_Controller.d_raw" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/CPU1_FLASH/syscfg" --cmd_file="syscfg/c2000ware_libraries.opt"  "../Aux_Grid_Controller.c"
"../Aux_Grid_Controller.c", line 88: warning #552-D: variable "AG_cosIQN1_e" was set but never used
"../Aux_Grid_Controller.c", line 89: warning #552-D: variable "AG_sinIQN1_k" was set but never used
Finished building: "../Aux_Grid_Controller.c"
 
Building file: "../device/device.c"
Invoking: C2000 Compiler
"C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/bin/cl2000" -v28 -ml -mt --cla_support=cla1 --float_support=fpu32 --tmu_support=tmu0 --vcu_support=vcu2 -O2 --fp_mode=relaxed --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/VCU/c28/include/vcu2" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/FixedPoint/c28/include" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/math/IQmath/c28/include" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device/include" --include_path="C:/ti/C2000Ware_4_01_00_00/driverlib/f2837xD/driverlib" --include_path="C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/include" --define=CPU1 --define=DEBUG --define=_FLASH --define=CLA_C --define=_DUAL_CORE_ --define=F2837XD_DEVICE --diag_suppress=10063 --diag_warning=225 --diag_wrap=off --display_error_number --abi=eabi --cla_background_task=off --cla_signed_compare_workaround=on --preproc_with_compile --preproc_dependency="device/device.d_raw" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/CPU1_FLASH/syscfg" --obj_directory="device" --cmd_file="syscfg/c2000ware_libraries.opt"  "../device/device.c"
Finished building: "../device/device.c"
 
Building file: "../device/F2837xD_GlobalVariableDefs.c"
Invoking: C2000 Compiler
"C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/bin/cl2000" -v28 -ml -mt --cla_support=cla1 --float_support=fpu32 --tmu_support=tmu0 --vcu_support=vcu2 -O2 --fp_mode=relaxed --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/VCU/c28/include/vcu2" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/dsp/FixedPoint/c28/include" --include_path="C:/ti/C2000Ware_4_01_00_00/libraries/math/IQmath/c28/include" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/device/include" --include_path="C:/ti/C2000Ware_4_01_00_00/driverlib/f2837xD/driverlib" --include_path="C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/include" --define=CPU1 --define=DEBUG --define=_FLASH --define=CLA_C --define=_DUAL_CORE_ --define=F2837XD_DEVICE --diag_suppress=10063 --diag_warning=225 --diag_wrap=off --display_error_number --abi=eabi --cla_background_task=off --cla_signed_compare_workaround=on --preproc_with_compile --preproc_dependency="device/F2837xD_GlobalVariableDefs.d_raw" --include_path="D:/International Product/TI_LaunchPad/F28379D_Launchpad_CLA/CPU1_FLASH/syscfg" --obj_directory="device" --cmd_file="syscfg/c2000ware_libraries.opt"  "../device/F2837xD_GlobalVariableDefs.c"
Finished building: "../device/F2837xD_GlobalVariableDefs.c"
 
Building target: "F28379D_Launchpad_CLA.out"
Invoking: C2000 Linker
"C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/bin/cl2000" -v28 -ml -mt --cla_support=cla1 --float_support=fpu32 --tmu_support=tmu0 --vcu_support=vcu2 -O2 --fp_mode=relaxed --define=CPU1 --define=DEBUG --define=_FLASH --define=CLA_C --define=_DUAL_CORE_ --define=F2837XD_DEVICE --diag_suppress=10063 --diag_warning=225 --diag_wrap=off --display_error_number --abi=eabi --cla_background_task=off --cla_signed_compare_workaround=on -z -m"F28379D_Launchpad_CLA.map" --heap_size=0x200 --stack_size=0x3F8 --warn_sections -i"C:/ti/C2000Ware_4_01_00_00/libraries/dsp/VCU/c28/include/vcu2" -i"C:/ti/C2000Ware_4_01_00_00/libraries/dsp/FixedPoint/c28/lib" -i"C:/ti/C2000Ware_4_01_00_00/libraries/math/IQmath/c28/lib" -i"C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/lib" -i"C:/ti/ccs1110/ccs/tools/compiler/ti-cgt-c2000_21.6.0.LTS/include" --reread_libs --define=CLA_C --diag_wrap=off --display_error_number --xml_link_info="F28379D_Launchpad_CLA_linkInfo.xml" --entry_point=code_start --rom_model -o "F28379D_Launchpad_CLA.out" "./Aux_Grid_Controller.obj" "./syscfg/board.obj" "./syscfg/c2000ware_libraries.obj" "./cla_tasks.obj" "./main.obj" "./device/F2837xD_CodeStartBranch.obj" "./device/F2837xD_GlobalVariableDefs.obj" "./device/device.obj" "../2837xD_FLASH_CLA_lnk_cpu1.cmd" "../F2837xD_Headers_nonBIOS_cpu1.cmd" "C:/ti/C2000Ware_4_01_00_00/driverlib/f2837xd/driverlib/ccs/Debug/driverlib.lib"  -l"C:/ti/C2000Ware_4_01_00_00/libraries/dsp/FixedPoint/c28/lib/c28x_fixedpoint_dsp_library_fpu32_eabi.lib" -l"C:/ti/C2000Ware_4_01_00_00/libraries/math/IQmath/c28/lib/IQmath_fpu32_eabi.lib" -l"C:/ti/C2000Ware_4_01_00_00/libraries/dsp/VCU/c28/lib/c28x_vcu2_library_fpu32.lib" -llibc.a 
<Linking>
 
 undefined     first referenced
  symbol           in file     
 ---------     ----------------
 CFFT_init32Pt ./main.obj      
 CFFT_run32Pt  ./main.obj      
 CFFT_unpack   ./main.obj      
 
error #10234-D: unresolved symbols remain
error #10010: errors encountered during linking; "F28379D_Launchpad_CLA.out" not built
 
>> Compilation failure
makefile:155: recipe for target 'F28379D_Launchpad_CLA.out' failed
gmake[1]: *** [F28379D_Launchpad_CLA.out] Error 1
makefile:151: recipe for target 'all' failed
gmake: *** [all] Error 2

**** Build Finished ****

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

您好，Asad，

感谢您耐心等待一两天，专家将就此回复您。

谢谢！

Sira

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

您好，Sira，

一个礼貌的提醒，帮助我解决VCU2库面临的问题。

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

Assad，您正在树立怎样的榜样？

谢谢Arav

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

我从TMS320F2.8379万D器件的空sysconfig项目开始，并逐步配置各种外设，如ADC，ePWM，CLA和通信。我们的控制代码将从MATLAB代码生成中生成，它将在固定点的C28上部分运行。因此，我添加了IQMath库和定点库。一些代码将在CLA上运行，也将从MATLAB代码生成工具生成。 IQMath和定点库的添加没有任何问题，包括在链接程序命令文件中定义IQMath部分。还需要对栅极电压采样进行FFT计算。我们计划在后台任务(即主环路)中对C28处理器执行此操作。在这个阶段，我认为VCU2库是正确的方法。但是，我在添加此库时遇到了问题，如本线程开头所述。如果需要更多信息，请告诉我。我还可以上传项目，因为尚未添加自定义代码。除main.c中的初始化之外，sysconfig在此阶段之前生成的所有代码都是。如果需要更多信息，请告诉我。

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

您好，Asad，

1.您可以在C2000Ware库的DSP部分查看我们的FPU，定点和VCU用户指南，并在基准部分比较FFT的周期。您会注意到在进行苹果与苹果的比较时会出现问题，因为VCU将只显示16位整数FFT的基准，而FPU和固定pt库将显示32位(分别为浮点和整数) FFT的基准。一般而言，浮点FFT最快。带有VCU (16位)的64磅CFFT需要1402个周期，而与固定pt库(32位)相同的周期需要4703个周期。

我认为，如果16位FFT适用于您的应用，您应该使用VCU，因为它允许您更好地利用SoC内的可用资源。 C28x CPU资源可用于其他工作。

2.是的，您可以使用RFFT，尽管我相信RFFT本身将调用更小的CFFT。

4.设置看起来正常。fp_mode不应影响VCU。 “放松”意味着允许编译器在浮点运算的速度方面权衡精度。

3.让我再深入了解一下。

谢谢！

Sira

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

Asad，

我用在vcu2_types.h中注释掉的NULL宏重建了C28x_vcu2_library 磁带库仍然构建良好。应该可以评论一下侧注-要使用的构建配置为ISA_C28FPU32，而不是ISA_C2800。

我将调查构建错误。

谢谢！

Sira

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

Asad，

请使用.asm文件中删除的前导下划线重建库。这些是为COFF提供的。对于EABI，前导下划线不应出现。

.global _CFFT_run32Pt.
.global _CFFT_init32Pt.

_CFFT_UNpack

谢谢！

Sira

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

我肯定会在星期一回到办公室时这样做。非常感谢您回答所有问题。

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

请就以下要点提供指导：

1-关于 .global _CFFT_run32Pt & .global _CFFT_init32PtAre，您参考的是C:\TI\C2000Ware_X_XX_XX_XX\libraries\DSP\VCU\c28\SOURCE\vcu2\FFT ?中的“vcu2_CFFT_32.ASM”。我是否需要将所有出现的_CFFT_run32Pt和_CFFT_init32Pt替换为"vcu2_CFFT_32.ASM"文件中的CFFT_run32Pt和CFFT_init32Pt？

2-关于_CFFT_UNpack,您是指同一目录中的“vcu2_CFFT_utils.asm”吗？我是否应该将所有出现的_CFFT_UNpack 替换为"vcu2_CFFT_utils.ASM"文件中的CFFT_UNpack？

3- 是否无需将 .global _vcu2_twiddleFactors更改为.global vcu2_twiddleFactors？

4- 您是否可以共享EABI格式的"C28x_vcu2_library_fpu32.lib"，以便将其包含在项目中，从而保证并确信一切设置正确？

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

Asad，

1.是的

2.是的

3.不确定为什么没有标记。考虑到EABI版本，也可以改变这种情况。

4.很遗憾，目前还没有正式发布，我私下创建和发布的任何内容都不能算作正式发布。请按照所述步骤构建库，并检查是否继续存在任何链接器错误。

谢谢！

Sira

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

Asad，

我明天不会上班，因此请在星期二收到后续回复。

谢谢！

Sira

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

您好，Sira，

我可以构建项目，而不会出现任何编译和链接错误。

有一个要点我会要求指导我：我有32个信号的真实值样本。由于库中未定义16点CFFT，因此不能将32个值打包为16个复数值(以加快执行速度)。因此，我需要使用32点CFFT，方法是将所有虚值设置为0。如果我错了，请纠正我。

我们可以关闭此线程。

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

Asad，我将进行回顾，并在明天早些时候回复您。

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

您好，Sira，

关于我的上一个查询的礼貌提醒，以便我们可以关闭此线程。

0 admin 3 年多前

TI__Guru**** 2535150 points

请注意，本文内容源自机器翻译，可能存在语法或其它翻译错误，仅供参考。如需获取准确内容，请参阅链接中的英语原文或自行翻译。

Asad，

很抱歉耽误你的时间。是的，您可以使用32磅CFFT，并将样本的假想成分设置为0。我曾尝试在我们的VCU2库中查看是否有更有效的方法来处理它，但似乎没有。

谢谢！

Sira