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报如下错误 error: #101: "int32_t" has already been declared in the current scope int32_t 定义在 stdint.h 中,不知如何操作了。。。 /****************************************************************************** * @file arm_math.h * @brief Public header file for CMSIS DSP Library * @version V1.6.0 * @date 18. March 2019 ******************************************************************************/ 完整编译输出: arm_math.h(564): warning: #47-D: incompatible redefinition of macro "__PKHBT" (declared at line 852 of "../Drivers/CMSIS/Include/cmsis_armcc.h") #define __PKHBT(ARG1, ARG2, ARG3) ( (((int32_t)(ARG1) << 0) & (int32_t)0x0000FFFF) | \ arm_math.h(566): warning: #47-D: incompatible redefinition of macro "__PKHTB" (declared at line 855 of "../Drivers/CMSIS/Include/cmsis_armcc.h") #define __PKHTB(ARG1, ARG2, ARG3) ( (((int32_t)(ARG1) << 0) & (int32_t)0xFFFF0000) | \ arm_math.h(1063): error: #79: expected a type specifier __STATIC_FORCEINLINE int32_t __SMMLA( arm_math.h(1063): error: #101: "int32_t" has already been declared in the current scope __STATIC_FORCEINLINE int32_t __SMMLA( arm_math.h(1063): error: #141-D: unnamed prototyped parameters not allowed when body is present __STATIC_FORCEINLINE int32_t __SMMLA( arm_math.h(1068): error: #20: identifier "sum" is undefined return (sum + (int32_t) (((int64_t) x * y) >> 32)); arm_math.h(1068): error: #20: identifier "x" is undefined return (sum + (int32_t) (((int64_t) x * y) >> 32)); arm_math.h(1068): error: #20: identifier "y" is undefined return (sum + (int32_t) (((int64_t) x * y) >> 32)); arm_math.h(1681): error: #757: function "int32_t" is not a type name int32_t shift, arm_math.h(1696): error: #757: function "int32_t" is not a type name int32_t shift, arm_math.h(1794): error: #757: function "int32_t" is not a type name int32_t resetStateFlag); arm_math.h(1812): error: #757: function "int32_t" is not a type name int32_t resetStateFlag); arm_math.h(1831): error: #757: function "int32_t" is not a type name int32_t resetStateFlag); arm_math.h(4459): error: #757: function "int32_t" is not a type name int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */ arm_math.h(4472): error: #757: function "int32_t" is not a type name int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */ arm_math.h(4485): error: #757: function "int32_t" is not a type name int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */ arm_math.h(4498): error: #757: function "int32_t" is not a type name int32_t *pTapDelay; /**< points to the array of delay values. The array is of length numTaps. */ arm_math.h(4533): error: #757: function "int32_t" is not a type name int32_t * pTapDelay, arm_math.h(4569): error: #757: function "int32_t" is not a type name int32_t * pTapDelay, arm_math.h(4607): error: #757: function "int32_t" is not a type name int32_t * pTapDelay, arm_math.h(4645): error: #757: function "int32_t" is not a type name int32_t * pTapDelay, arm_math.h(5418): warning: #174-D: expression has no effect int32_t i; /* Index variable */ arm_math.h(5418): error: #65: expected a ";" int32_t i; /* Index variable */ arm_math.h(5422): error: #20: identifier "i" is undefined i = (int32_t) ((x - S->x1) / xSpacing); arm_math.h(5475): warning: #174-D: expression has no effect int32_t index; /* Index to read nearest output values */ arm_math.h(5475): error: #65: expected a ";" int32_t index; /* Index to read nearest output values */ arm_math.h(5480): error: #20: identifier "index" is undefined index = ((x & (q31_t)0xFFF00000) >> 20); arm_math.h(5533): warning: #174-D: expression has no effect int32_t index; /* Index to read nearest output values */ arm_math.h(5533): error: #65: expected a ";" int32_t index; /* Index to read nearest output values */ arm_math.h(5538): error: #20: identifier "index" is undefined index = ((x & (int32_t)0xFFF00000) >> 20); arm_math.h(5538): error: #31: expression must have integral type index = ((x & (int32_t)0xFFF00000) >> 20); arm_math.h(5538): error: #18: expected a ")" index = ((x & (int32_t)0xFFF00000) >> 20); arm_math.h(5791): error: #757: function "int32_t" is not a type name int32_t * circBuffer, arm_math.h(5792): error: #757: function "int32_t" is not a type name int32_t L, arm_math.h(5794): error: #757: function "int32_t" is not a type name |
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工程自带:Drivers\CMSIS\DSP\Include
MDK自带:D:\Keil_v5\ARM\PACK\ARM\CMSIS\5.5.1\CMSIS\DSP\Include\arm_math.h