DSP5402读写K9F1G08之C 源代码 源代码

ljmlxh2002

FlashObj::FlashObj(void)
{

McBSP1Init();
FlashInit();
}

void FlashObj::::McBSP1Init(void)//SPI配置
{
McBSP1->SPSA = SPCR1;
McBSP1->SPSD = (0x01 << SPCR1_RJUST);//接收符号扩展及判别模式13~14
McBSP1->SPSA = SPCR2;
McBSP1->SPSD = (1 << SPCR2_FRST) //帧同步发生器复位
| (1 << SPCR2_GRST) //采样率发生器复位
| (1 << SPCR2_XEMPTY)//发送移位寄存器空
| (1 << SPCR2_XRDY); //发送准备好
McBSP1->SPSA = PCR;
McBSP1->SPSD = (1 << PCR_XIOEN) //发送通用I/O模式位
| (1 << PCR_RIOEN) //接收通用I/O模式位
| (1 << PCR_FSXM) //发送帧同步模式位(FLASH的片选信号）
| (1 << PCR_CLKXM) //发送器时钟模式位
| (1 << PCR_FSXP); //关闭FLASH的片选信号(FSX="1")
}

void FlashObj::FlashInit(void)
{
FlashDisable();
for(int i = 0; i < 256; i ) {
FlashBuffers = 0;
}
MakerId = 0;
DeviceId = 0;
ThirdCyc = 0;
FourthCyc = 0;
}

void FlashObj::FlashEnable(void)
{
McBSP1->SPSA = PCR;
McBSP1->SPSD &= ~(1 << PCR_FSXP);//打开FLASH的片选信号(FSX="0"）
}

void FlashObj::FlashDisable(void)
{
McBSP1->SPSA = PCR;
McBSP1->SPSD |= (1 << PCR_FSXP);//关闭FLASH的片选信号(FSX="1")
}

void FlashObj::FlashWait(void)
{
McBSP1->SPSA = PCR;
do {
__nop();
__nop();
}
while((McBSP1->SPSD & (1 << PCR_FSRP)) == 0);//读FSR信号
}

void FlashObj::FlashSck(void)
{
// McBSP1->SPSA = PCR;
// __nop();
// __nop();
McBSP1->SPSD |= (1 << PCR_FSXP);//FSX="1"
__nop();
// __nop();
McBSP1->SPSD &= ~(1 << PCR_FSXP);//FSX="0"
__nop();
// __nop();
}

/*-----------------------------------------
K9F1G08--128M*8bit

-----------------------------------------*/
bool FlashObj::FlashId(void)
{
bool flag;
FlashEnable();//使能FLASH
Port_Cle = 0x90;
__nop();//此处绝对不能少于2个nop()
__nop();
__nop();
__nop();
__nop();
__nop();
Port_Cle = 0x00;
// __nop();//此处绝容不下1个nop()
MakerId = Port_Data;
FlashSck();//发送时钟信号
DeviceId = Port_Data;
FlashSck();//发送时钟信号
ThirdCyc = Port_Data;
FlashSck();//发送时钟信号
FourthCyc = Port_Data;
FlashDisable();//禁止FLASH
flag = (MakerId == 0xec) && (DeviceId == 0xf1) && (ThirdCyc == 0x80) && (FourthCyc == 0x15);
return flag;//K9F1G08的ID={0xec,0xec,0xf1,0x80,0x15}
}

/*---------------------------------------------
块擦除
---------------------------------------------*/

bool FlashObj::BlockErase(unsigned int Sector)
{
bool flag = false;
FlashEnable();//使能FLASH
Port_Cle = 0x60;
__nop();
__nop();
Port_Ale = Sector & 0xff;
__nop();
__nop();
Port_Ale = (Sector >> 8) & 0xff;
__nop();
__nop();
Port_Cle = 0xd0;
FlashWait();
Port_Cle = 0x70;
flag = (Port_Data & 0x01) == 0;
FlashDisable();//禁止FLASH
return flag;
}

void FlashObj:ageRead(unsigned long Sector, unsigned int Length, unsigned int * DataBuff)
{
FlashEnable();//使能FLASH
Port_Cle = 0;
__nop();
__nop();
Port_Ale = Sector & 0xff;
__nop();
__nop();
Port_Ale = (Sector >> 8) & 0xff;
__nop();
__nop();
Port_Ale = (Sector >> 16) & 0xff;
__nop();
__nop();
Port_Ale = (Sector >> 24) & 0xff;
__nop();
__nop();
Port_Cle = 0x30;
FlashWait();
McBSP1->SPSA = PCR;
for(int i = 0; i < Length; i ) {
FlashSck();//发送时钟信号
DataBuff = Port_Data;
}
FlashDisable();//禁止FLASH
}

bool FlashObj:ageWrite(unsigned long Sector, unsigned int Length, unsigned int * DataBuff)
{
bool flag;
FlashEnable();//使能FLASH
Port_Cle = 0x80;
__nop();
__nop();
Port_Ale = Sector & 0xff;
__nop();
__nop();
Port_Ale = (Sector >> 8) & 0xff;
__nop();
__nop();
Port_Ale = (Sector >> 16) & 0xff;
__nop();
__nop();
Port_Ale = (Sector >

FlashObj::FlashObj(void)
{

McBSP1Init();
FlashInit();
}

void FlashObj::::McBSP1Init(void)//SPI配置
{
McBSP1->SPSA = SPCR1;
McBSP1->SPSD = (0x01 << SPCR1_RJUST);//接收符号扩展及判别模式13~14
McBSP1->SPSA = SPCR2;
McBSP1->SPSD = (1 << SPCR2_FRST) //帧同步发生器复位
| (1 << SPCR2_GRST) //采样率发生器复位
| (1 << SPCR2_XEMPTY)//发送移位寄存器空
| (1 << SPCR2_XRDY); //发送准备好
McBSP1->SPSA = PCR;
McBSP1->SPSD = (1 << PCR_XIOEN) //发送通用I/O模式位
| (1 << PCR_RIOEN) //接收通用I/O模式位
| (1 << PCR_FSXM) //发送帧同步模式位(FLASH的片选信号）
| (1 << PCR_CLKXM) //发送器时钟模式位
| (1 << PCR_FSXP); //关闭FLASH的片选信号(FSX="1")
}

void FlashObj::FlashInit(void)
{
FlashDisable();
for(int i = 0; i < 256; i ) {
FlashBuffers = 0;
}
MakerId = 0;
DeviceId = 0;
ThirdCyc = 0;
FourthCyc = 0;
}

void FlashObj::FlashEnable(void)
{
McBSP1->SPSA = PCR;
McBSP1->SPSD &= ~(1 << PCR_FSXP);//打开FLASH的片选信号(FSX="0"）
}

void FlashObj::FlashDisable(void)
{
McBSP1->SPSA = PCR;
McBSP1->SPSD |= (1 << PCR_FSXP);//关闭FLASH的片选信号(FSX="1")
}

void FlashObj::FlashWait(void)
{
McBSP1->SPSA = PCR;
do {
__nop();
__nop();
}
while((McBSP1->SPSD & (1 << PCR_FSRP)) == 0);//读FSR信号
}

void FlashObj::FlashSck(void)
{
// McBSP1->SPSA = PCR;
// __nop();
// __nop();
McBSP1->SPSD |= (1 << PCR_FSXP);//FSX="1"
__nop();
// __nop();
McBSP1->SPSD &= ~(1 << PCR_FSXP);//FSX="0"
__nop();
// __nop();
}

/*-----------------------------------------
K9F1G08--128M*8bit

-----------------------------------------*/
bool FlashObj::FlashId(void)
{
bool flag;
FlashEnable();//使能FLASH
Port_Cle = 0x90;
__nop();//此处绝对不能少于2个nop()
__nop();
__nop();
__nop();
__nop();
__nop();
Port_Cle = 0x00;
// __nop();//此处绝容不下1个nop()
MakerId = Port_Data;
FlashSck();//发送时钟信号
DeviceId = Port_Data;
FlashSck();//发送时钟信号
ThirdCyc = Port_Data;
FlashSck();//发送时钟信号
FourthCyc = Port_Data;
FlashDisable();//禁止FLASH
flag = (MakerId == 0xec) && (DeviceId == 0xf1) && (ThirdCyc == 0x80) && (FourthCyc == 0x15);
return flag;//K9F1G08的ID={0xec,0xec,0xf1,0x80,0x15}
}

/*---------------------------------------------
块擦除
---------------------------------------------*/

bool FlashObj::BlockErase(unsigned int Sector)
{
bool flag = false;
FlashEnable();//使能FLASH
Port_Cle = 0x60;
__nop();
__nop();
Port_Ale = Sector & 0xff;
__nop();
__nop();
Port_Ale = (Sector >> 8) & 0xff;
__nop();
__nop();
Port_Cle = 0xd0;
FlashWait();
Port_Cle = 0x70;
flag = (Port_Data & 0x01) == 0;
FlashDisable();//禁止FLASH
return flag;
}

void FlashObj:ageRead(unsigned long Sector, unsigned int Length, unsigned int * DataBuff)
{
FlashEnable();//使能FLASH
Port_Cle = 0;
__nop();
__nop();
Port_Ale = Sector & 0xff;
__nop();
__nop();
Port_Ale = (Sector >> 8) & 0xff;
__nop();
__nop();
Port_Ale = (Sector >> 16) & 0xff;
__nop();
__nop();
Port_Ale = (Sector >> 24) & 0xff;
__nop();
__nop();
Port_Cle = 0x30;
FlashWait();
McBSP1->SPSA = PCR;
for(int i = 0; i < Length; i ) {
FlashSck();//发送时钟信号
DataBuff = Port_Data;
}
FlashDisable();//禁止FLASH
}

bool FlashObj:ageWrite(unsigned long Sector, unsigned int Length, unsigned int * DataBuff)
{
bool flag;
FlashEnable();//使能FLASH
Port_Cle = 0x80;
__nop();
__nop();
Port_Ale = Sector & 0xff;
__nop();
__nop();
Port_Ale = (Sector >> 8) & 0xff;
__nop();
__nop();
Port_Ale = (Sector >> 16) & 0xff;
__nop();
__nop();
Port_Ale = (Sector >> 24) & 0xff;
__nop();
__nop();
McBSP1->SPSA = PCR;
for(int i = 0; i < Length; i ) {
Port_Data = DataBuff & 0xff;
__nop();
__nop();
}
Port_Cle = 0x10;
FlashWait();
Port_Cle = 0x70;
flag = (Port_Data & 0x01) == 0;
FlashDisable();//禁止FLASH
return flag;
}

> 24) & 0xff;
__nop();
__nop();
McBSP1->SPSA = PCR;
for(int i = 0; i < Length; i ) {
Port_Data = DataBuff & 0xff;
__nop();
__nop();
}
Port_Cle = 0x10;
FlashWait();
Port_Cle = 0x70;
flag = (Port_Data & 0x01) == 0;
FlashDisable();//禁止FLASH
return flag;
}