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STM32F407VET.基于DDS 用內(nèi)置DAC實現(xiàn)多種波形(正弦 方波 三角波 鋸齒波)輸出,支持頻率可調(diào) (范圍1HZ-5MHZ 在5MHz下精度大約100khz左右) 有自定義波形功能

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代碼片段和文件信息

/**
??******************************************************************************
??*?@file????misc.c
??*?@author??MCD?Application?Team
??*?@version?V1.4.0
??*?@date????04-August-2014
??*?@brief???This?file?provides?all?the?miscellaneous?firmware?functions?(add-on
??*??????????to?CMSIS?functions).
??*??????????
??*??@verbatim???
??*???????????????????????????????
??*??????????===================================================================??????
??*????????????????????????How?to?configure?Interrupts?using?driver?
??*??????????===================================================================??????
??*?
??*????????????This?section?provide?functions?allowing?to?configure?the?NVIC?interrupts?(IRQ).
??*????????????The?Cortex-M4?exceptions?are?managed?by?CMSIS?functions.
??*
??*????????????1.?Configure?the?NVIC?Priority?Grouping?using?NVIC_PriorityGroupConfig()
??*????????????????function?according?to?the?following?table.
?
??*??The?table?below?gives?the?allowed?values?of?the?pre-emption?priority?and?subpriority?according
??*??to?the?Priority?Grouping?configuration?performed?by?NVIC_PriorityGroupConfig?function
??*????==========================================================================================================================
??*??????NVIC_PriorityGroup???|?NVIC_IRQChannelPreemptionPriority?|?NVIC_IRQChannelSubPriority??|???????Description
??*????==========================================================================================================================
??*?????NVIC_PriorityGroup_0??|????????????????0??????????????????|????????????0-15?????????????|?0?bits?for?pre-emption?priority
??*???????????????????????????|???????????????????????????????????|?????????????????????????????|?4?bits?for?subpriority
??*????--------------------------------------------------------------------------------------------------------------------------
??*?????NVIC_PriorityGroup_1??|????????????????0-1????????????????|????????????0-7??????????????|?1?bits?for?pre-emption?priority
??*???????????????????????????|???????????????????????????????????|?????????????????????????????|?3?bits?for?subpriority
??*????--------------------------------------------------------------------------------------------------------------------------????
??*?????NVIC_PriorityGroup_2??|????????????????0-3????????????????|????????????0-3??????????????|?2?bits?for?pre-emption?priority
??*???????????????????????????|???????????????????????????????????|?????????????????????????????|?2?bits?for?subpriority
??*????--------------------------------------------------------------------------------------------------------------------------????
??*?????NVIC_PriorityGroup_3??|????????????????0-7????????????????|????????????0-1??????????????|?3?bits?for?pre-emption?priority
??*???????????????????????????|???????????????????????????????????|?????????????????????????????|?1?bits?for?subpriority
??*????-----------------------------------------------

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-10-30?13:15??20_DDS_創(chuàng)新\
?????目錄???????????0??2017-10-30?13:15??20_DDS_創(chuàng)新\CORE\
?????文件??????109142??2014-07-17?21:52??20_DDS_創(chuàng)新\CORE\core_cm4.h
?????文件???????22735??2014-07-17?21:52??20_DDS_創(chuàng)新\CORE\core_cm4_simd.h
?????文件???????17146??2014-07-17?21:52??20_DDS_創(chuàng)新\CORE\core_cmFunc.h
?????文件???????20513??2014-07-17?21:52??20_DDS_創(chuàng)新\CORE\core_cmInstr.h
?????文件???????29605??2014-08-02?00:12??20_DDS_創(chuàng)新\CORE\startup_stm32f40_41xxx.s
?????目錄???????????0??2017-10-30?13:15??20_DDS_創(chuàng)新\DSP_LIB\
?????目錄???????????0??2017-10-30?13:15??20_DDS_創(chuàng)新\DSP_LIB\Include\
?????文件????????4676??2014-07-17?21:52??20_DDS_創(chuàng)新\DSP_LIB\Include\arm_common_tables.h
?????文件????????3666??2014-07-17?21:52??20_DDS_創(chuàng)新\DSP_LIB\Include\arm_const_structs.h
?????文件??????242444??2014-07-17?21:52??20_DDS_創(chuàng)新\DSP_LIB\Include\arm_math.h
?????文件???????33042??2014-07-17?21:52??20_DDS_創(chuàng)新\DSP_LIB\Include\core_cm0.h
?????文件???????40429??2014-07-17?21:52??20_DDS_創(chuàng)新\DSP_LIB\Include\core_cm0plus.h
?????文件???????99832??2014-07-17?21:52??20_DDS_創(chuàng)新\DSP_LIB\Include\core_cm3.h
?????文件??????109142??2014-07-17?21:52??20_DDS_創(chuàng)新\DSP_LIB\Include\core_cm4.h
?????文件???????22735??2014-07-17?21:52??20_DDS_創(chuàng)新\DSP_LIB\Include\core_cm4_simd.h
?????文件???????17146??2014-07-17?21:52??20_DDS_創(chuàng)新\DSP_LIB\Include\core_cmFunc.h
?????文件???????20513??2014-07-17?21:52??20_DDS_創(chuàng)新\DSP_LIB\Include\core_cmInstr.h
?????文件???????41744??2014-07-17?21:52??20_DDS_創(chuàng)新\DSP_LIB\Include\core_sc000.h
?????文件???????98211??2014-07-17?21:52??20_DDS_創(chuàng)新\DSP_LIB\Include\core_sc300.h
?????文件????11673458??2013-11-07?11:55??20_DDS_創(chuàng)新\DSP_LIB\arm_cortexM4lf_math.lib
?????目錄???????????0??2017-10-30?13:15??20_DDS_創(chuàng)新\FWLIB\
?????目錄???????????0??2017-10-30?13:15??20_DDS_創(chuàng)新\FWLIB\inc\
?????文件????????6924??2014-08-01?23:18??20_DDS_創(chuàng)新\FWLIB\inc\misc.h
?????文件???????32880??2014-08-01?23:18??20_DDS_創(chuàng)新\FWLIB\inc\stm32f4xx_adc.h
?????文件???????27318??2014-08-01?23:18??20_DDS_創(chuàng)新\FWLIB\inc\stm32f4xx_can.h
?????文件????????2416??2014-08-01?23:18??20_DDS_創(chuàng)新\FWLIB\inc\stm32f4xx_crc.h
?????文件???????14481??2014-08-01?23:18??20_DDS_創(chuàng)新\FWLIB\inc\stm32f4xx_cryp.h
?????文件???????14946??2014-08-01?23:18??20_DDS_創(chuàng)新\FWLIB\inc\stm32f4xx_dac.h
?????文件????????4296??2014-08-01?23:18??20_DDS_創(chuàng)新\FWLIB\inc\stm32f4xx_dbgmcu.h
............此處省略272個文件信息

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