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    發布日期: 2023-11-19
  • 語言: 其他
  • 標簽: PCA968??PWM調速??IIC??

資源簡介

PCA 9685是一款適用于紅/綠/藍/琥珀(RGBA)彩色背光應用的I S 2 C總線控制的16通道LED控制器。每個LED輸出有自己的12位分辨率(4096步)固定頻率個人PWM控制器工作在一個可編程頻率從典型的24赫茲至1526赫茲,占空比可調從0%到100%,允許LED設置到一個特定的亮度值。所有輸出都設置為相同的PWM頻率。最常用的就是16路舵機驅動板上,主要通過IIC控制舵機轉向控制或電機調速

資源截圖

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
-----------?---------??----------?-----??----

?????文件?????109142??2016-04-15?21:58??PCA9685_Drive\CORE\core_cm4.h

?????文件??????22735??2016-04-15?21:58??PCA9685_Drive\CORE\core_cm4_simd.h

?????文件??????17146??2016-04-15?21:58??PCA9685_Drive\CORE\core_cmFunc.h

?????文件??????20513??2016-04-15?21:58??PCA9685_Drive\CORE\core_cmInstr.h

?????文件??????29605??2016-04-15?21:58??PCA9685_Drive\CORE\startup_stm32f40_41xxx.s

?????文件???????6924??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\misc.h

?????文件??????32880??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_adc.h

?????文件??????27318??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_can.h

?????文件???????2416??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_crc.h

?????文件??????14481??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_cryp.h

?????文件??????14946??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_dac.h

?????文件???????4296??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_dbgmcu.h

?????文件??????12977??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_dcmi.h

?????文件??????28882??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_dma.h

?????文件??????19692??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_dma2d.h

?????文件???????8012??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_exti.h

?????文件??????24467??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_flash.h

?????文件???????3275??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_flash_ramfunc.h

?????文件??????44924??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_fmc.h

?????文件??????27181??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_fsmc.h

?????文件??????23548??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_gpio.h

?????文件??????10084??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_hash.h

?????文件??????31939??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_i2c.h

?????文件???????4323??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_iwdg.h

?????文件??????21191??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_ltdc.h

?????文件???????7728??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_pwr.h

?????文件??????30063??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_rcc.h

?????文件???????3958??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_rng.h

?????文件??????40546??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_rtc.h

?????文件??????25470??2016-04-15?21:58??PCA9685_Drive\FWLIB\inc\stm32f4xx_sai.h

............此處省略161個文件信息

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