STM32

求各位大神帮忙，关于SJA1000

2019-10-15 21:29发布

站内问答 / STM32/STM8
14622 1 1239
//LCD地址结构体
typedef struct
{
    unsigned char  sja0 ;
    unsigned char  sja1 ;
    unsigned char  sja2 ;
    unsigned char  sja3 ;
    unsigned char  sja4 ;
    unsigned char  sja5 ;
    unsigned char  sja6 ;
    unsigned char  sja7 ;
    unsigned char  sja8 ;
    unsigned char  sja9 ;
    unsigned char  sja10 ;
    unsigned char  sja11 ;
    unsigned char  sja12 ;
    unsigned char  sja13 ;
    unsigned char  sja14 ;
    unsigned char  sja15 ;
    unsigned char  sja16 ;
    unsigned char  sja17 ;
    unsigned char  sja18 ;
    unsigned char  sja19 ;
    unsigned char  sja20 ;
    unsigned char  sja21 ;
    unsigned char  sja22 ;
    unsigned char  sja23 ;
    unsigned char  sja24 ;
    unsigned char  sja25 ;
    unsigned char  sja26 ;
    unsigned char  sja27 ;
    unsigned char  sja28 ;
    unsigned char  sja29 ;
    unsigned char  sja30 ;
    unsigned char  sja31 ;
    unsigned char  sja96 ;
    unsigned char  sja97 ;
    unsigned char  sja98 ;
    unsigned char  sja99 ;
    unsigned char  sja100 ;
    unsigned char  sja101 ;
    unsigned char  sja102 ;
    unsigned char  sja103 ;
    unsigned char  sja104 ;
    unsigned char  sja105 ;
    unsigned char  sja106 ;
    unsigned char  sja107 ;
    unsigned char  sja108 ;
} SJA1000_AddTypeDef;



#define SJA1000_BASE        ((vu32)(0x68000000))
#define SJA1000                      ((SJA1000_AddTypeDef *) SJA1000_BASE)


/*******************************************************************************
*   函数名称:
*   函数功能: SJA1000硬件配置初始化
*   参    数：
*   返 回 值：
*******************************************************************************/
void SJA1000_HardwareConfiguration(void)        //
{

    GPIO_InitTypeDef  GPIO_InitStructure;
    FSMC_NORSRAMInitTypeDef  FSMC_NORSRAMInitStructure;
    FSMC_NORSRAMTimingInitTypeDef  readWriteTiming;
    FSMC_NORSRAMTimingInitTypeDef  writeTiming;

    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOD | RCC_AHB1Periph_GPIOE |  RCC_AHB1Periph_GPIOG, ENABLE);
    RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FSMC, ENABLE);



    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;//PE0 RESET
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;//普通输出模式
    GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;//100MHz
    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉
    GPIO_Init(GPIOE, &GPIO_InitStructure);//初始化

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;//                              NL  ALE
    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(GPIOB, &GPIO_InitStructure);//初始化

    // GPIO_InitStructure.GPIO_Pin = (3 << 0) | (3 << 4) | (7 << 8) | (3 << 14); //PD0,1,4,5,8,9,10,14,15 AF OUT
    GPIO_InitStructure.GPIO_Pin = (GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_14 | GPIO_Pin_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(GPIOD, &GPIO_InitStructure);//初始化

    GPIO_InitStructure.GPIO_Pin = (GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10);
    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 = GPIO_Pin_10;//
    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_PinSource8, GPIO_AF_FSMC);
    //GPIO_PinAFConfig(GPIOD, GPIO_PinSource9, GPIO_AF_FSMC);
    //GPIO_PinAFConfig(GPIOD, GPIO_PinSource10, 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_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_PinSource12, GPIO_AF_FSMC); //PF12,AF12
    GPIO_PinAFConfig(GPIOG, GPIO_PinSource10, GPIO_AF_FSMC);

    readWriteTiming.FSMC_AddressSetupTime = 0x0f;         //地址建立时间（ADDSET）为16个HCLK 1/168M=6ns*16=96ns
    readWriteTiming.FSMC_AddressHoldTime = 0x00;         //地址保持时间（ADDHLD）模式A未用到
    readWriteTiming.FSMC_DataSetupTime = 0x3c;                        //数据保存时间为60个HCLK        =6*60=360ns
    readWriteTiming.FSMC_BusTurnAroundDuration = 0x00;
    readWriteTiming.FSMC_CLKDivision = 0x00;
    readWriteTiming.FSMC_DataLatency = 0x00;
    readWriteTiming.FSMC_AccessMode = FSMC_AccessMode_B;         //模式A


    writeTiming.FSMC_AddressSetupTime = 0x0f;             //地址建立时间（ADDSET）为16个HCLK 1/168M=6ns*16=96ns
    writeTiming.FSMC_AddressHoldTime = 0x00;         //地址保持时间（A
    writeTiming.FSMC_DataSetupTime = 0x3c;                 //数据保存时间为60个HCLK        =6*60=360ns
    writeTiming.FSMC_BusTurnAroundDuration = 0x00;
    writeTiming.FSMC_CLKDivision = 0x00;
    writeTiming.FSMC_DataLatency = 0x00;
    writeTiming.FSMC_AccessMode = FSMC_AccessMode_B;         //模式A


    FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM3;//  这里我们使用NE4 ，也就对应BTCR[6],[7]。
    FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Enable; // 复用数据地址
    FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_NOR; // FSMC_MemoryType_SRAM;  //SRAM
    FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_8b;//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_Enable; // 读写使用不同的时序
    FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable;
    FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &readWriteTiming; //读写时序
    FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &writeTiming;  //写时序

    FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure);  //初始化FSMC配置

    FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM3, ENABLE);  // 使能BANK1
}


代码：NVAD为什么没有变化？有没有哪位大神用STM32驱动过SJA1000的，能不能分享一下，谢谢，不胜感激

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1楼-- · 2019-10-15 22:28
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