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ADD：第一次上传工程代码
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‎.mxproject

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[PreviousGenFiles]
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HeaderPath=C:/Users/Administrator/Desktop/Modbus Master/Inc
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HeaderFiles=stm32f0xx_it.h;stm32f0xx_hal_conf.h;main.h;
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SourcePath=C:/Users/Administrator/Desktop/Modbus Master/Src
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SourceFiles=stm32f0xx_it.h;stm32f0xx_hal_conf.h;main.h;stm32f0xx_it.c;stm32f0xx_hal_msp.c;main.c;
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[PreviousLibFiles]
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LibFiles=Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_tim.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_tim_ex.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_uart.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_uart_ex.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_rcc.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_rcc_ex.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_def.h;Drivers/STM32F0xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_i2c.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_i2c_ex.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_gpio.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_gpio_ex.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_dma_ex.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_dma.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_cortex.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_pwr.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_pwr_ex.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_flash.h;Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_flash_ex.h;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_tim.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_tim_ex.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_uart.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_uart_ex.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc_ex.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_i2c.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_i2c_ex.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_gpio.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_dma.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_cortex.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_pwr.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_pwr_ex.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_flash.c;Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_flash_ex.c;Drivers/CMSIS/Device/ST/STM32F0xx/Include/stm32f042x6.h;Drivers/CMSIS/Device/ST/STM32F0xx/Include/stm32f0xx.h;Drivers/CMSIS/Device/ST/STM32F0xx/Include/system_stm32f0xx.h;Drivers/CMSIS/Device/ST/STM32F0xx/Source/Templates/system_stm32f0xx.c;Drivers/CMSIS/Include/arm_common_tables.h;Drivers/CMSIS/Include/arm_const_structs.h;Drivers/CMSIS/Include/arm_math.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/cmsis_armcc_V6.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_cmFunc.h;Drivers/CMSIS/Include/core_cmInstr.h;Drivers/CMSIS/Include/core_cmSimd.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_sc300.h;
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[PreviousUsedKeilFiles]
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SourceFiles=../Src/main.c;../Src/stm32f0xx_it.c;../Src/stm32f0xx_hal_msp.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_tim.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_tim_ex.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_uart.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_uart_ex.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_rcc_ex.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_i2c.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_i2c_ex.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_gpio.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_dma.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_cortex.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_pwr.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_pwr_ex.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_flash.c;../Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_flash_ex.c;../Drivers/CMSIS/Device/ST/STM32F0xx/Source/Templates/system_stm32f0xx.c;../Drivers/CMSIS/Device/ST/STM32F0xx/Source/Templates/arm/startup_stm32f042x6.s;
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HeaderPath=..\Drivers\STM32F0xx_HAL_Driver\Inc;..\Drivers\STM32F0xx_HAL_Driver\Inc\Legacy;..\Drivers\CMSIS\Device\ST\STM32F0xx\Include;..\Drivers\CMSIS\Include;
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‎Drivers/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_abs_f32.c

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/* ----------------------------------------------------------------------
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* Copyright (C) 2010-2014 ARM Limited. All rights reserved.
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*
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* $Date: 19. March 2015
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* $Revision: V.1.4.5
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*
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* Project: CMSIS DSP Library
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* Title: arm_abs_f32.c
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*
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* Description: Vector absolute value.
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*
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* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* - Neither the name of ARM LIMITED nor the names of its contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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* ---------------------------------------------------------------------------- */
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#include "arm_math.h"
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#include <math.h>
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/**
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* @ingroup groupMath
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*/
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/**
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* @defgroup BasicAbs Vector Absolute Value
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*
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* Computes the absolute value of a vector on an element-by-element basis.
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*
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* <pre>
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* pDst[n] = abs(pSrc[n]), 0 <= n < blockSize.
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* </pre>
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*
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* The functions support in-place computation allowing the source and
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* destination pointers to reference the same memory buffer.
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* There are separate functions for floating-point, Q7, Q15, and Q31 data types.
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*/
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/**
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* @addtogroup BasicAbs
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* @{
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*/
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/**
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* @brief Floating-point vector absolute value.
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* @param[in] *pSrc points to the input buffer
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* @param[out] *pDst points to the output buffer
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* @param[in] blockSize number of samples in each vector
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* @return none.
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*/
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void arm_abs_f32(
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float32_t * pSrc,
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float32_t * pDst,
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uint32_t blockSize)
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{
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uint32_t blkCnt; /* loop counter */
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#ifndef ARM_MATH_CM0_FAMILY
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/* Run the below code for Cortex-M4 and Cortex-M3 */
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float32_t in1, in2, in3, in4; /* temporary variables */
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/*loop Unrolling */
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blkCnt = blockSize >> 2u;
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/* First part of the processing with loop unrolling. Compute 4 outputs at a time.
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** a second loop below computes the remaining 1 to 3 samples. */
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while(blkCnt > 0u)
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{
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/* C = |A| */
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/* Calculate absolute and then store the results in the destination buffer. */
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/* read sample from source */
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in1 = *pSrc;
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in2 = *(pSrc + 1);
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in3 = *(pSrc + 2);
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/* find absolute value */
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in1 = fabsf(in1);
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/* read sample from source */
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in4 = *(pSrc + 3);
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/* find absolute value */
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in2 = fabsf(in2);
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/* read sample from source */
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*pDst = in1;
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/* find absolute value */
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in3 = fabsf(in3);
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/* find absolute value */
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in4 = fabsf(in4);
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/* store result to destination */
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*(pDst + 1) = in2;
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/* store result to destination */
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*(pDst + 2) = in3;
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/* store result to destination */
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*(pDst + 3) = in4;
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/* Update source pointer to process next sampels */
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pSrc += 4u;
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/* Update destination pointer to process next sampels */
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pDst += 4u;
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/* Decrement the loop counter */
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blkCnt--;
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}
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/* If the blockSize is not a multiple of 4, compute any remaining output samples here.
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** No loop unrolling is used. */
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blkCnt = blockSize % 0x4u;
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#else
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/* Run the below code for Cortex-M0 */
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/* Initialize blkCnt with number of samples */
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blkCnt = blockSize;
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#endif /* #ifndef ARM_MATH_CM0_FAMILY */
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while(blkCnt > 0u)
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{
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/* C = |A| */
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/* Calculate absolute and then store the results in the destination buffer. */
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*pDst++ = fabsf(*pSrc++);
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/* Decrement the loop counter */
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blkCnt--;
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}
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}
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/**
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* @} end of BasicAbs group
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*/

‎Drivers/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_abs_q15.c

+179
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/* ----------------------------------------------------------------------
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* Copyright (C) 2010-2014 ARM Limited. All rights reserved.
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*
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* $Date: 19. March 2015
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* $Revision: V.1.4.5
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*
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* Project: CMSIS DSP Library
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* Title: arm_abs_q15.c
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*
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* Description: Q15 vector absolute value.
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*
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* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
16+
* are met:
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* - Redistributions of source code must retain the above copyright
18+
* notice, this list of conditions and the following disclaimer.
19+
* - Redistributions in binary form must reproduce the above copyright
20+
* notice, this list of conditions and the following disclaimer in
21+
* the documentation and/or other materials provided with the
22+
* distribution.
23+
* - Neither the name of ARM LIMITED nor the names of its contributors
24+
* may be used to endorse or promote products derived from this
25+
* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28+
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29+
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
30+
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
31+
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
32+
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
33+
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
34+
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36+
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
37+
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38+
* POSSIBILITY OF SUCH DAMAGE.
39+
* -------------------------------------------------------------------- */
40+
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#include "arm_math.h"
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/**
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* @ingroup groupMath
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*/
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/**
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* @addtogroup BasicAbs
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* @{
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*/
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/**
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* @brief Q15 vector absolute value.
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* @param[in] *pSrc points to the input buffer
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* @param[out] *pDst points to the output buffer
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* @param[in] blockSize number of samples in each vector
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* @return none.
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*
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* <b>Scaling and Overflow Behavior:</b>
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* \par
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* The function uses saturating arithmetic.
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* The Q15 value -1 (0x8000) will be saturated to the maximum allowable positive value 0x7FFF.
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*/
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void arm_abs_q15(
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q15_t * pSrc,
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q15_t * pDst,
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uint32_t blockSize)
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{
70+
uint32_t blkCnt; /* loop counter */
71+
72+
#ifndef ARM_MATH_CM0_FAMILY
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__SIMD32_TYPE *simd;
74+
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/* Run the below code for Cortex-M4 and Cortex-M3 */
76+
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q15_t in1; /* Input value1 */
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q15_t in2; /* Input value2 */
79+
80+
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/*loop Unrolling */
82+
blkCnt = blockSize >> 2u;
83+
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/* First part of the processing with loop unrolling. Compute 4 outputs at a time.
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** a second loop below computes the remaining 1 to 3 samples. */
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simd = __SIMD32_CONST(pDst);
87+
while(blkCnt > 0u)
88+
{
89+
/* C = |A| */
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/* Read two inputs */
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in1 = *pSrc++;
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in2 = *pSrc++;
93+
94+
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/* Store the Absolute result in the destination buffer by packing the two values, in a single cycle */
96+
#ifndef ARM_MATH_BIG_ENDIAN
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*simd++ =
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__PKHBT(((in1 > 0) ? in1 : (q15_t)__QSUB16(0, in1)),
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((in2 > 0) ? in2 : (q15_t)__QSUB16(0, in2)), 16);
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#else
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*simd++ =
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__PKHBT(((in2 > 0) ? in2 : (q15_t)__QSUB16(0, in2)),
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((in1 > 0) ? in1 : (q15_t)__QSUB16(0, in1)), 16);
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#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
109+
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in1 = *pSrc++;
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in2 = *pSrc++;
112+
113+
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#ifndef ARM_MATH_BIG_ENDIAN
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*simd++ =
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__PKHBT(((in1 > 0) ? in1 : (q15_t)__QSUB16(0, in1)),
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((in2 > 0) ? in2 : (q15_t)__QSUB16(0, in2)), 16);
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#else
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*simd++ =
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__PKHBT(((in2 > 0) ? in2 : (q15_t)__QSUB16(0, in2)),
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((in1 > 0) ? in1 : (q15_t)__QSUB16(0, in1)), 16);
126+
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#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
128+
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/* Decrement the loop counter */
130+
blkCnt--;
131+
}
132+
pDst = (q15_t *)simd;
133+
134+
/* If the blockSize is not a multiple of 4, compute any remaining output samples here.
135+
** No loop unrolling is used. */
136+
blkCnt = blockSize % 0x4u;
137+
138+
while(blkCnt > 0u)
139+
{
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/* C = |A| */
141+
/* Read the input */
142+
in1 = *pSrc++;
143+
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/* Calculate absolute value of input and then store the result in the destination buffer. */
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*pDst++ = (in1 > 0) ? in1 : (q15_t)__QSUB16(0, in1);
146+
147+
/* Decrement the loop counter */
148+
blkCnt--;
149+
}
150+
151+
#else
152+
153+
/* Run the below code for Cortex-M0 */
154+
155+
q15_t in; /* Temporary input variable */
156+
157+
/* Initialize blkCnt with number of samples */
158+
blkCnt = blockSize;
159+
160+
while(blkCnt > 0u)
161+
{
162+
/* C = |A| */
163+
/* Read the input */
164+
in = *pSrc++;
165+
166+
/* Calculate absolute value of input and then store the result in the destination buffer. */
167+
*pDst++ = (in > 0) ? in : ((in == (q15_t) 0x8000) ? 0x7fff : -in);
168+
169+
/* Decrement the loop counter */
170+
blkCnt--;
171+
}
172+
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#endif /* #ifndef ARM_MATH_CM0_FAMILY */
174+
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}
176+
177+
/**
178+
* @} end of BasicAbs group
179+
*/

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