int ProgramSi5324(void)
{
XIIC_LIB I2cLibInstance;
int Index;
int Status;
u8 WrBuffer[2];
Status = I2cSetupHardware(&I2cLibInstance);
if (Status != XST_SUCCESS) {
xil_printf("Si5324: Configuring HW failed\n\r");
return XST_FAILURE;
}
Status = MuxInit(&I2cLibInstance);
if (Status != XST_SUCCESS) {
xil_printf("Si5324: Mux Init failed\n\r");
return XST_FAILURE;
}
for (Index = 0; Index < sizeof(InitTable)/8; Index++) {
WrBuffer[0] = InitTable[Index].RegIndex;
WrBuffer[1] = InitTable[Index].Value;
Status = I2cWriteData(&I2cLibInstance, WrBuffer, 2, IIC_SLAVE_ADDR);
if (Status != XST_SUCCESS) {
xil_printf("Si5324: Writing failed\n\r");
return XST_FAILURE;
}
}
return XST_SUCCESS;
}
/************************** Function Definitions *****************************/
int MuxInit(XIIC_LIB *I2cLibInstancePtr)
{
u8 WrBuffer[0];
int Status;
WrBuffer[0] = IIC_CHANNEL_ADDRESS;
Status = I2cWriteData(I2cLibInstancePtr,
WrBuffer, 1, IIC_MUX_ADDRESS);
if (Status != XST_SUCCESS) {
xil_printf("Si5324: Writing failed\n\r");
return XST_FAILURE;
}
return XST_SUCCESS;
}
/**
* This function writes data to the PHY.
*
* @param I2cLibPtr contains a pointer to the instance of the IIC library
* @param PhyAddr is the address of PHY to be written
* @param Reg is the register address to be written to
* @param Data is the pointer which contains the data to be written
* @param SlaveAddr is the address of the slave we are sending to.
*
* @return XST_SUCCESS if successful else XST_FAILURE.
*
******************************************************************************/
int I2cPhyWrite(XIIC_LIB *I2cLibPtr, u8 PhyAddr, u8 Reg, u16 Data, u16 SlaveAddr)
{
int Status;
u8 WrBuffer[3];
WrBuffer[0] = Reg;
WrBuffer[1] = Data >> 8;
WrBuffer[2] = Data;
Status = I2cWriteData(I2cLibPtr, WrBuffer, 3, SlaveAddr);
if (Status != XST_SUCCESS) {
xil_printf("PhyWrite: Writing data failed\n\r");
return Status;
}
return Status;
}
/**
* This function reads data from the PHY.
*
* @param I2cLibPtr contains a pointer to the instance of the IIC library
* @param PhyAddr is the address of PHY to be read from
* @param Reg is the register address to be read from
* @param Data is the pointer which stores the data read
* @param SlaveAddr is the address of the slave we are sending to.
*
* @return XST_SUCCESS if successful else XST_FAILURE.
*
******************************************************************************/
int I2cPhyRead(XIIC_LIB *I2cLibPtr, u8 PhyAddr, u8 Reg, u16 *Data, u16 SlaveAddr)
{
int Status;
u8 WrBuffer[2];
u8 RdBuffer[2];
WrBuffer[0] = Reg;
Status = I2cWriteData(I2cLibPtr, WrBuffer, 1, SlaveAddr);
if (Status != XST_SUCCESS) {
xil_printf("PhyWrite: Writing data failed\n\r");
return Status;
}
Status = I2cReadData(I2cLibPtr, RdBuffer, 2, SlaveAddr);
if (Status != XST_SUCCESS) {
xil_printf("PhyRead: Reading data failed\n\r");
return Status;
}
*Data = RdBuffer[0] << 8 | RdBuffer[1];
return Status;
}
