| Constructor and Description |
|---|
FT_4222_Spi_Master(FT_4222_Device pDevice) |
| Modifier and Type | Method and Description |
|---|---|
int |
init(int ioLine,
int clock,
int cpol,
int cpha,
byte ssoMap)
Initialize FT4222H as an SPI master.
|
int |
multiReadWrite(byte[] readBuffer,
byte[] writeBuffer,
int singleWriteBytes,
int multiWriteBytes,
int multiReadBytes,
int[] sizeOfRead)
Under SPI dual or quad mode, write data to and read data from an SPI slave.
|
int |
reset()
Reset the SPI master or slave device.
|
int |
setDrivingStrength(int clkStrength,
int ioStrength,
int ssoStregth)
For the FT4222H SPI master, set the driving strength of clk, io, and sso pins.
|
int |
setLines(int spiMode)
Switch FT4222H SPI master to single, dual, or quad lines.
|
int |
singleRead(byte[] readBuffer,
int sizeToTransfer,
int[] sizeOfRead,
boolean isEndTransaction)
Under SPI single mode, read data from an SPI slave.
|
int |
singleReadWrite(byte[] readBuffer,
byte[] writeBuffer,
int sizeToTransfer,
int[] sizeTransferred,
boolean isEndTransaction)
Under SPI single mode, full-duplex write data to and read data from an SPI slave.
|
int |
singleWrite(byte[] writeBuffer,
int sizeToTransfer,
int[] sizeTransferred,
boolean isEndTransaction)
Under SPI single mode, write data to an SPI slave.
|
public FT_4222_Spi_Master(FT_4222_Device pDevice)
public int init(int ioLine,
int clock,
int cpol,
int cpha,
byte ssoMap)
SpiMasterpublic int setLines(int spiMode)
SpiMasterpublic int singleWrite(byte[] writeBuffer,
int sizeToTransfer,
int[] sizeTransferred,
boolean isEndTransaction)
SpiMastersingleWrite in interface SpiMasterwriteBuffer - buffer that contains the data to be written to the device.sizeToTransfer - The size of read and write buffer. They must be the same.sizeTransferred - Pointer to a variable of type uint16 which receives the number of bytes read and written to the device.isEndTransaction - TRUE to raise the pin of SS at the end of the transactionpublic int singleRead(byte[] readBuffer,
int sizeToTransfer,
int[] sizeOfRead,
boolean isEndTransaction)
SpiMastersingleRead in interface SpiMasterreadBuffer - buffer that receives the data from the devicesizeToTransfer - The size of read and write buffer. They must be the same.isEndTransaction - TRUE to raise the pin of SS at the end of the transactionpublic int singleReadWrite(byte[] readBuffer,
byte[] writeBuffer,
int sizeToTransfer,
int[] sizeTransferred,
boolean isEndTransaction)
SpiMastersingleReadWrite in interface SpiMasterreadBuffer - buffer that receives the data from the devicewriteBuffer - buffer that contains the data to be written to the device.sizeToTransfer - The size of read and write buffer. They must be the same.sizeTransferred - Pointer to a variable of type uint16 which receives the number of bytes read and written to the device.isEndTransaction - TRUE to raise the pin of SS at the end of the transactionpublic int multiReadWrite(byte[] readBuffer,
byte[] writeBuffer,
int singleWriteBytes,
int multiWriteBytes,
int multiReadBytes,
int[] sizeOfRead)
SpiMastermultiReadWrite in interface SpiMasterreadBuffer - buffer that receives the data from the device.writeBuffer - buffer that contains the data to be written to the device. .singleWriteBytes - number of bytes in writeBuffer will be written as single-line.multiWriteBytes - number of bytes in writeBuffer will be written as multi-line.multiReadBytes - number of bytes to read as multi-line.sizeOfRead - number of bytes read from the device.public int reset()
SpiMasterpublic int setDrivingStrength(int clkStrength,
int ioStrength,
int ssoStregth)
clkStrength - The driving strength of the clk pinioStrength - The driving strength of the io pinssoStregth - The driving strength of the sso pin