Infineon QSPI驱动

void Qspi_1_Init(void)
{
	QSPI1_Module = &MODULE_QSPI1;

	/*QSPI IO initialisation  */
	IfxPort_setPinMode(&MODULE_P10, 0, IfxPort_Mode_outputPushPullAlt3); 		/*SLSO - SLSO110*/
	IfxPort_setPinMode(&MODULE_P10, 1, IfxPort_Mode_inputPullUp);				/*MRST*/
	IfxPort_setPinMode(&MODULE_P10, 2, IfxPort_Mode_outputPushPullAlt3);		/*SCK*/
	IfxPort_setPinMode(&MODULE_P10, 3, IfxPort_Mode_outputPushPullAlt3);		/*MTSR*/

	/*set QSPI register*/
	uint16 passwd = IfxScuWdt_getCpuWatchdogPassword();
	IfxScuWdt_clearCpuEndinit(passwd);
	QSPI1_Module->CLC.B.DISR = 0;
	IfxScuWdt_setCpuEndinit(passwd);

	QSPI1_Module->PISEL.U = 0x00000000;					/*P10.1-P10.2-P10.3 -- QSPI1-A*/
	QSPI1_Module->GLOBALCON.U = 0x000F3C09;				/*TQ=9+1, EXPECT=15*/
	QSPI1_Module->GLOBALCON1.U = 0x000F0000;

	QSPI1_Module->ECON[2].U = 0x00003844;				/*Q=5, PAREN=0, CPH=1, CPOL=1*/
	QSPI1_Module->SSOC.U = 0x04000000;					/*P10.0-SLSO110, bit26=1*/
	QSPI1_Module->GLOBALCON.B.EN = 1;
}



/*****************************************************************************
Name        : Qspi_1_Comm
Input      	: PUSHR_H, SPI寄存器配置内容
Output    	: TxData, 从节点寄存器地址
Return     	: 从节点返回的数据
Description	: QPSI1通讯函数
Others     	:
*****************************************************************************/
unsigned int Qspi_1_Comm(unsigned long PUSHR_H, unsigned int TxData)
{
	unsigned long  qspivalue = 0;
	unsigned int  count = 1000;
	QSPI1_Module->BACONENTRY.U = PUSHR_H;
	QSPI1_Module->DATAENTRY[2].U = TxData;
	while((QSPI1_Module->STATUS.B.RXFIFOLEVEL == 0)&&(count != 0))
	{
		 count--;
	}
	qspivalue = QSPI1_Module->RXEXIT.U;
	return qspivalue;
}



/*****************************************************************************
Name        : Qspi_2_Init
Input      	: none
Output    	: none
Return     	: none
Description	: QSPI2模块的初始化
Others     	: 对应的从设备是L9945
*****************************************************************************/
void Qspi_2_Init(void)
{
	QSPI2_Module = &MODULE_QSPI2;

	/*QSPI IO initialisation  */
	IfxPort_setPinMode(&MODULE_P15, 2, IfxPort_Mode_outputPushPullAlt3); 		/*SLSO - SLSO20*/
	IfxPort_setPinMode(&MODULE_P15, 7, IfxPort_Mode_inputPullUp);				/*MRST	MRST2B*/
	IfxPort_setPinMode(&MODULE_P15, 3, IfxPort_Mode_outputPushPullAlt3);		/*SCK	SCLK2*/
	IfxPort_setPinMode(&MODULE_P15, 5, IfxPort_Mode_outputPushPullAlt3);		/*MTSR*/

	/*set QSPI register*/
	uint16 passwd = IfxScuWdt_getCpuWatchdogPassword();
	IfxScuWdt_clearCpuEndinit(passwd);
	QSPI2_Module->CLC.B.DISR = 0;
	IfxScuWdt_setCpuEndinit(passwd);

	QSPI2_Module->PISEL.U = 0x00000001;					/*MRST2B*/
	QSPI2_Module->GLOBALCON.U = 0x000F3C09;				/*TQ=9+1, EXPECT=15, */
	QSPI2_Module->GLOBALCON1.U = 0x000F0000;

//	QSPI2_Module->ECON[2].U = 0x00001844;				/*Q=5, PAREN=0, CPH=1, CPOL=0, SLSO20*/
	QSPI2_Module->ECON[0].B.Q = 4;
	QSPI2_Module->ECON[0].B.A = 1;
	QSPI2_Module->ECON[0].B.B = 0;
	QSPI2_Module->ECON[0].B.C = 2;
	QSPI2_Module->ECON[0].B.CPH =1;
	QSPI2_Module->ECON[0].B.CPOL = 0;
	QSPI2_Module->ECON[0].B.PAREN = 0;
	QSPI2_Module->ECON[0].B.BE = 0;

//	QSPI2_Module->SSOC.U = 0x04000000;					/*P10.0-SLSO110, bit26=1*/
	QSPI2_Module->SSOC.B.OEN = 0x0001;					/*P15.2-SLSO20, bit16*/
	QSPI2_Module->SSOC.B.AOL = 0x0000;

	
	QSPI2_Module->GLOBALCON.B.EN = 1;

}



/*****************************************************************************
Name        : Qspi_2_Comm
Input      	: PUSHR_H, SPI寄存器配置内容
Output    	: TxData, 从节点寄存器地址
Return     	: 从节点返回的数据
Description	: QPSI2通讯函数
Others     	: 从芯片型号L9945
*****************************************************************************/
unsigned long Qspi_2_Comm(unsigned long PUSHR_H, unsigned long TxData)
{
	unsigned long  qspivalue = 0;
	unsigned int  count = 1000;
	QSPI2_Module->BACONENTRY.U = PUSHR_H;
	QSPI2_Module->DATAENTRY[0].U = TxData;
	while((QSPI2_Module->STATUS.B.RXFIFOLEVEL == 0)&&(count != 0))
	{
		 count--;
	}
	qspivalue = QSPI2_Module->RXEXIT.U;
	return qspivalue;
}