fm3外設(shè)驅(qū)動(dòng)庫(kù)使用筆記gpio

第1章簡(jiǎn) GPIO簡(jiǎn) 第2章具體描 I/O電路類 各CPU狀態(tài)下的引腳狀 I/O庫(kù)函 GPIO庫(kù)函數(shù)詳細(xì)講 I/O管腳配置流 GPIO配置為輸 GPIO配置為輸 第3章應(yīng)用實(shí) 實(shí)例說(shuō) 軟件流程 詳細(xì)配 第4章總 1簡(jiǎn)I/O口。另外，搭載的端口重定位功能可設(shè)定哪一個(gè)I/O口配置外設(shè)功能。154I/O口@176pinA~L12I/O電路類GPIOI/OCPUI/OI/OA/DUSB各個(gè)引腳可如下設(shè)定I/OI/O口，則用戶設(shè)定特定I/O口進(jìn)行配置(再配置功能)。CPUI/OHiZ2A~L12I/O電路類型 ：INITX引腳為"L" ：INITX引腳為"H"SPL=0：待機(jī)模式控制寄存器(STB_CTL)的待機(jī)引腳電平設(shè)定位(SPL)置"0"SPL=1：待機(jī)模式控制寄存器(STB_CTL)的待機(jī)引腳電平設(shè)定位(SPL)置"1"內(nèi)部輸入固定在"0"：輸入功能不可使用的狀態(tài)。內(nèi)部輸入固定在"L"Hi-ZHi-Z根據(jù)不同的功能，IOAPI1voidIO_EnableAnalogInput(uint32_tvoidIO_DisableAnalogInput(uint32_t2.voidIO_EnableFunc(uint8_tPort,uint32_tvoidIO_DisableFunc(uint8_tPort,uint32_t2.1GPIOvoidIO_ConfigGPIOPin(uint8_tPort,uint32_tPin,uint8_tDir,uint8_tvoidIO_WriteGPIOPin(uint8_tPort,uint32_tPin,uint8_tDatauint8_tIO_ReadGPIOPin(uint8_tPort,uint32_t2.22.2.1MFTvoidIO_ConfigFuncMFTICx3Pin(uint8_tMFTCh,IO_MFTICx3PinTvoidIO_ConfigFuncMFTICx2Pin(uint8_tMFTCh,IO_MFTICx2PinTvoidIO_ConfigFuncMFTICx1Pin(uint8_tMFTCh,IO_MFTICx1PinTvoidIO_ConfigFuncMFTICx0Pin(uint8_tMFTCh,IO_MFTICx0PinTvoidIO_ConfigFuncMFTFRCKxPin(uint8_tMFTCh,IO_MFTFRCKxPinTvoidIO_ConfigFuncMFTDTTIXxPin(uint8_tMFTCh,IO_MFTDTTIXxPinTvoidIO_ConfigFuncMFTRTxyPin(uint8_tMFTCh,uint8_tRTCh,IO_MFTRTOxyPinT2.2.2BTvoidIO_ConfigFuncBTTIOBxInputPin(uint8_tBTCh,IO_BTTIOBxInputPinTvoidIO_ConfigFuncBTTIOAxOuputPin(uint8_tBTCh,IO_BTTIOAxOutputPinTvoidIO_ConfigFuncBTTIOAxInputPin(uint8_tBTCh,IO_BTTIOAxInputPinT2.2.3voidIO_ConfigFuncINTxPin(uint8_tExtIntCh,IO_INTxPinT2.2.4MFSvoidIO_ConfigFuncMFSSCKxPin(uint8_tMFSCh,IO_MFSSCKxPinTvoidIO_ConfigFuncMFSSOTxPin(uint8_tMFSCh,IO_MFSSOTxPinTvoidIO_ConfigFuncMFSSINxPin(uint8_tMFSCh,IO_MFSSINxPinTvoidIO_ConfigFuncMFSCh4CTSPin(IO_MFSCTSPinTvoidIO_ConfigFuncMFSCh4RTSPin(IO_MFSRTSPinT2.2.5CANvoidIO_ConfigFuncCANTXxPin(uint8_tCANCh,IO_CANTXxPinTvoidIO_ConfigFuncCANRXxPin(uint8_tCANCh,IO_CANRXxPinT2.2.6ADCvoidIO_ConfigFuncADTGxPin(uint8_tADCUnit,IO_ADTGxPinT2.2.7QPRCvoidIO_ConfigFuncQPRCZINxPin(uint8_tQPRCCh,IO_QPRCZINxPinTvoidIO_ConfigFuncQPRCAINxPin(uint8_tQPRCCh,IO_QPRCAINxPinTvoidIO_ConfigFuncQPRCBINxPin(uint8_tQPRCCh,IO_QPRCBINxPinT.8.1voidIO_ConfigFuncExtBusColSetting1(uint8_tvoidIO_ConfigFuncExtBusColSetting2(uint8_tvoidIO_ConfigFuncExtBusMCSxPin(uint8_tMCSxPin,uint8_tvoidIO_ConfigFuncExtBusMDATAxPin(uint32_tMDATAPin,uint8_tvoidIO_ConfigFuncExtBusMADxPin(uint32_tMADPin,uint8_tvoidIO_ConfigFuncExtBusNandCtrlPin(uint32_tvoidIO_ConfigFuncExtBusMOEXPin(uint32_tvoidIO_ConfigFuncExtBusMDQMxPin(uint32_tvoidIO_ConfigFuncExtBusMWEXPin(uint32_tvoidIO_ConfigFuncExtBusMCLKOUTPin(uint32_tvoidIO_ConfigFuncExtBusMALEPin(uint32_t2.2.9HDMI-CECvoidIO_ConfigFuncCECxyPin(uint8_tCECCh,IO_CECxPinT2.2.10EthernetvoidIO_ConfigFuncEtherInputCutoff(IO_EtherInputCutoffTvoidIO_ConfigFuncEtherPSE(uint8_tvoidIO_ConfigFuncEtherCKE(uint8_tvoidIO_ConfigFuncEtherMD1B(uint8_tvoidIO_ConfigFuncEtherMD0B(uint8_tvoidIO_ConfigFuncEtherMC1B(uint8_tvoidIO_ConfigFuncEtherMC0E(uint8_tvoidIO_ConfigFuncEtherTE1E(uint8_tvoidIO_ConfigFuncEtherTE0E(uint8_tvoidIO_ConfigFuncEtherTD1E(uint8_tvoidIO_ConfigFuncEtherTD0E(uint8_t2.2.11voidIO_ConfigFuncTracePin(uint8_tPinState0,uint8_tvoidIO_ConfigFuncJtagPin(uint8_tPinState0,uint8_tvoidIO_ConfigFuncUSBHCONTXx(uint8_tUSBCh,uint8_tvoidIO_ConfigFuncCROUTxPin(IO_CROUTxPinTvoidIO_ConfigFuncRTCCOxPin(IO_RTCCOxPinTvoidIO_ConfigFuncSUBOUTxPin(IO_SUBOUTxPinTvoidIO_ConfigFuncNMIPin(uint32_t2.2.12voidIO_ConfigFuncUSBPin(uint8_tUSBCh,uint8_tvoidIO_ConfigFuncMClkPin(IO_MClkPinTvoidIO_ConfigFuncSClkPin(IO_SClkPinT2.2.13OpenDrainvoidIO_EnablePseOpenDrain(uint8_tPort,uint32_tvoidIO_DisablePseOpenDrain(uint8_tPort,uint32_tAPIIO_ConfigFunc開(kāi)頭,x來(lái)表示通道，通道是通過(guò)API函數(shù)的參數(shù)來(lái)決定的。例如voidIO_ConfigFuncINTxPin(uint8_tExtIntCh,IO_INTxPinTPinType)函數(shù)，如果用戶想用INT15_1來(lái)檢測(cè)中斷，那么使用IO_ConfigFuncINTxPin（IO_EXT_INT_CH15,IO_INTx_INTx_1 voidIO_EnableFunc(uint8_tPortuint32_tPinI/O腳的外設(shè)功能在系統(tǒng)復(fù)位后，IO腳的外設(shè)功能都是關(guān)閉的。voidIO_DisableFunc(uint8_tPort,uint32_tPinIO GPIOvoidIO_ConfigGPIOPin(uint8_tPort,uint32_tPinuint8_tDiruint8_tPullup);//IO的模擬輸入以及外設(shè)功能關(guān)閉時(shí)，該IO才能被用作GPIO。在系統(tǒng)復(fù)位后，GPIO都是設(shè)為輸入的（高阻狀態(tài)GPIO被設(shè)為輸入時(shí)，上拉電阻才被連接；而GPIO設(shè)為輸出時(shí)，則連接上拉電阻無(wú)效。voidIO_WriteGPIOPin(uint8_tPort,uint32_tPinuint8_tDataGPIOuint8_tIO_ReadGPIOPin(uint8_tPortuint32_tPin讀取GPIO和外設(shè)功能I/O將不能使用。IO腳的特殊功能有AD輸入，DA輸出，LCD引腳（CMx/SEx/，D(能可以調(diào)用IO_ConfigGPIOPin()。P30IO_WriteGPIOPin(IO_PORT3,IO_PINx0,IO_BIT_SET);②設(shè)P11為輸出高電平IO_DisableFunc(IO_PORT1,IO_PINx1);IO_WriteGPIOPin(IO_PORT1,IO_PINx1,IO_BIT_SET);P30為輸入口，讀取P30的值uint8_tlevel;level=IO_ReadGPIOPin(IO_PORT3,P11P11uint8_tlevel=IO_ReadGPIOPin(IO_PORT1,3應(yīng)GPIO否是否是#defineUSER_LED_PORT #defineUSER_LED_PIN #ifdefUSER_IO_AN#defineUSER_KEY_PORT #define #ifdefUSER_IO_AN{}4