基本信息
源码名称：STM32F407 FSMC控制AD7606
源码大小：2.02KB
文件格式：.rar
开发语言：C/C++
更新时间：2020-05-06
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源码介绍
#include "stm32f4xx.h"
#include "BottomDrive.h"
//使用NOR/SRAM的 Bank1.sector3,地址位HADDR[27,26]=10
//对IS61LV25616/IS62WV25616,地址线范围为A0~A17
//对IS61LV51216/IS62WV51216,地址线范围为A0~A18
//初始化外部SRAM
void FSMC_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure;
FSMC_NORSRAMTimingInitTypeDef readWriteTiming;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOF|RCC_AHB1Periph_GPIOG, ENABLE);//使能PD,PE,PF,PG时钟
RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FSMC,ENABLE);//使能FSMC时钟
GPIO_InitStructure.GPIO_Pin = (3<<0)|(0x000f<<4)|(0x00FF<<8);//PD0,1,4~7,8~15 AF OUT
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;//复用输出
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100MHz
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉
GPIO_Init(GPIOD, &GPIO_InitStructure);//初始化
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;//PE,AF OUT
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;//复用输出
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100MHz
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉
GPIO_Init(GPIOE, &GPIO_InitStructure);//初始化
GPIO_InitStructure.GPIO_Pin = (0x003F<<0)|(0x000F<<12); //PF0~5,12~15
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;//复用输出
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100MHz
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉
GPIO_Init(GPIOF, &GPIO_InitStructure);//初始化
GPIO_InitStructure.GPIO_Pin = (0x007F)| GPIO_Pin_9| GPIO_Pin_10| GPIO_Pin_12| GPIO_Pin_13| GPIO_Pin_14;//PG0~6,10,12,13,14
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;//复用输出
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100MHz
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉
GPIO_Init(GPIOG, &GPIO_InitStructure);//初始化
GPIO_PinAFConfig(GPIOD,GPIO_PinSource0,GPIO_AF_FSMC);//PD0,AF12
GPIO_PinAFConfig(GPIOD,GPIO_PinSource1,GPIO_AF_FSMC);//PD1,AF12
GPIO_PinAFConfig(GPIOD,GPIO_PinSource4,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource5,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource6,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource7,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource8,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource9,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource10,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource11,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource12,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource13,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource14,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource15,GPIO_AF_FSMC);//PD15,AF12
GPIO_PinAFConfig(GPIOE,GPIO_PinSource0,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource1,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource2,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource3,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource4,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource5,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource6,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource7,GPIO_AF_FSMC);//PE7,AF12
GPIO_PinAFConfig(GPIOE,GPIO_PinSource8,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource9,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource10,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource11,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource12,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource13,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource14,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource15,GPIO_AF_FSMC);//PE15,AF12
GPIO_PinAFConfig(GPIOF,GPIO_PinSource0,GPIO_AF_FSMC);//PF0,AF12
GPIO_PinAFConfig(GPIOF,GPIO_PinSource1,GPIO_AF_FSMC);//PF1,AF12
GPIO_PinAFConfig(GPIOF,GPIO_PinSource2,GPIO_AF_FSMC);//PF2,AF12
GPIO_PinAFConfig(GPIOF,GPIO_PinSource3,GPIO_AF_FSMC);//PF3,AF12
GPIO_PinAFConfig(GPIOF,GPIO_PinSource4,GPIO_AF_FSMC);//PF4,AF12
GPIO_PinAFConfig(GPIOF,GPIO_PinSource5,GPIO_AF_FSMC);//PF5,AF12
GPIO_PinAFConfig(GPIOF,GPIO_PinSource12,GPIO_AF_FSMC);//PF12,AF12
GPIO_PinAFConfig(GPIOF,GPIO_PinSource13,GPIO_AF_FSMC);//PF13,AF12
GPIO_PinAFConfig(GPIOF,GPIO_PinSource14,GPIO_AF_FSMC);//PF14,AF12
GPIO_PinAFConfig(GPIOF,GPIO_PinSource15,GPIO_AF_FSMC);//PF15,AF12
GPIO_PinAFConfig(GPIOG,GPIO_PinSource0,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOG,GPIO_PinSource1,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOG,GPIO_PinSource2,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOG,GPIO_PinSource3,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOG,GPIO_PinSource4,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOG,GPIO_PinSource5,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOG,GPIO_PinSource6,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOG,GPIO_PinSource9,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOG,GPIO_PinSource10,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOG,GPIO_PinSource12,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOG,GPIO_PinSource13,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOG,GPIO_PinSource14,GPIO_AF_FSMC);
readWriteTiming.FSMC_AddressSetupTime = 0x00; //地址建立时间（ADDSET）为1个HCLK 1/36M=27ns
readWriteTiming.FSMC_AddressHoldTime = 0x00; //地址保持时间（ADDHLD）模式A未用到
readWriteTiming.FSMC_DataSetupTime = 0x03; ////数据保持时间（DATAST）为9个HCLK 6*9=54ns
readWriteTiming.FSMC_BusTurnAroundDuration = 0x00;
readWriteTiming.FSMC_CLKDivision = 0x00;
readWriteTiming.FSMC_DataLatency = 0x00;
readWriteTiming.FSMC_AccessMode = FSMC_AccessMode_A; //模式A
FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM3;// 这里我们使用NE3,SRAM
FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable;
FSMC_NORSRAMInitStructure.FSMC_MemoryType =FSMC_MemoryType_SRAM;//SRAM
FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b;//存储器数据宽度为16bit
FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode =FSMC_BurstAccessMode_Disable;// FSMC_BurstAccessMode_Disable;
FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;
FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait=FSMC_AsynchronousWait_Disable;
FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable;
FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;
FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable; //存储器写使能
FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable;
FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable; // 读写使用相同的时序
FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable;
FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &readWriteTiming;
FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &readWriteTiming; //读写同样时序
FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); //初始化FSMC配置
FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM3, ENABLE); // 使能BANK1区域3
readWriteTiming.FSMC_AddressSetupTime = 0x03; //地址建立时间（ADDSET）为1个HCLK 1/36M=27ns
readWriteTiming.FSMC_AddressHoldTime = 0x00; //地址保持时间（ADDHLD）模式A未用到
readWriteTiming.FSMC_DataSetupTime = 0x03; ////数据保持时间（DATAST）为9个HCLK 6*9=54ns
readWriteTiming.FSMC_BusTurnAroundDuration = 0x00;
readWriteTiming.FSMC_CLKDivision = 0x00;
readWriteTiming.FSMC_DataLatency = 0x00;
readWriteTiming.FSMC_AccessMode = FSMC_AccessMode_A; //模式A
FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM4;// 这里我们使用NE4,AD7606
FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); //初始化FSMC配置
FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM4, ENABLE); // 使能BANK1区域4
readWriteTiming.FSMC_AddressSetupTime = 5; //地址建立时间（ADDSET）为1个HCLK 1/36M=27ns
readWriteTiming.FSMC_AddressHoldTime = 0; //地址保持时间（ADDHLD）模式A未用到
readWriteTiming.FSMC_DataSetupTime = 7; //数据保持时间（DATAST）为9个HCLK 6*9=54ns
readWriteTiming.FSMC_BusTurnAroundDuration = 1;
readWriteTiming.FSMC_CLKDivision = 0x00;
readWriteTiming.FSMC_DataLatency = 0x00;
readWriteTiming.FSMC_AccessMode = FSMC_AccessMode_B; //模式B
FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM2;// 这里我们使用NE2,NOR FLASH
FSMC_NORSRAMInitStructure.FSMC_MemoryType =FSMC_MemoryType_NOR;
FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); //初始化FSMC配置
FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM2, ENABLE); // 使能BANK1区域2
}
//在指定地址(WriteAddr Bank1_SRAM3_ADDR)开始,连续写入n个字节.
//pBuffer:字节指针
//WriteAddr:要写入的地址
//n:要写入的字节数
void FSMC_SRAM_WriteBufferu16(u32 WriteAddr,u16* pBuffer,u32 n)
{
for(;n!=0;n--)
{
*(vu16*)(WriteAddr)=*pBuffer;
WriteAddr = 2;
pBuffer ;
}
}
//在指定地址((WriteAddr Bank1_SRAM3_ADDR))开始,连续读出n个字节.
//pBuffer:字节指针
//ReadAddr:要读出的起始地址
//n:要写入的字节数
void FSMC_SRAM_ReadBufferu16(u32 ReadAddr,u16* pBuffer,u32 n)
{
for(;n!=0;n--)
{
*pBuffer =*(vu16*)(ReadAddr);
ReadAddr =2;
}
}
//在指定地址(WriteAddr Bank1_SRAM3_ADDR)开始,连续写入n个字节.
//pBuffer:字节指针
//WriteAddr:要写入的地址
//n:要写入的字节数
void FSMC_SRAM_WriteBufferu8(u32 WriteAddr,u8* pBuffer,u32 n)
{
for(;n!=0;n--)
{
*(vu8*)(WriteAddr)=*pBuffer;
WriteAddr ;
pBuffer ;
}
}