Port controls

Functions
CTYPE int DLL	SE_WriteKPortConfig (int regAdd, int regValue, int usbDevice)
	Allow to write a register of the Port Expander (MCP23S17) used for PORT A and B. More...
CTYPE int DLL	SE_ReadKPortConfig (int regAdd, int usbDevice)
	Allow to read a register of the Port Expander (MCP23S17) used for PORT A and B. More...
CTYPE int DLL	SE_SetPortDirection (int port, int bit7, int bit6, int bit5, int bit4, int bit3, int bit2, int bit1, int bit0, int usbDevice)
	Allow to set direction (Input or Output) of the selected port. More...
CTYPE int DLL	SE_WritePort (int portAddress, int portValue, int usbDevice)
	Allow to write on the selected port. More...
CTYPE int DLL	SE_SetPortBit (int portAddress, int bit, int usbDevice)
	Allow to set a bit on the selected port. More...
CTYPE int DLL	SE_ClrPortBit (int portAddress, int bit, int usbDevice)
	Allow to clear a bit on the selected port. More...
CTYPE int DLL	SE_ReadPort (int portAddress, int usbDevice)
	Allow to read of the selected port. More...
CTYPE int DLL	SE_PortPulse (int port, int initialValue, int finalValue, int pulseWidth, int timeBase, int usbDevice)
	Generate a pulse on the specified port. More...
CTYPE int DLL	SE_CheckPortBit (int port, int bit, int usbDevice)
	Check a bit of the opto-coupled port. More...
CTYPE int DLL	SE_PwmOptoCoupledPowerPort (int bitSelect, int enable, int lowWidth, int highWidth, int usbDevice)
	Start (or stop) a PWM the optically decoupled power port. More...
CTYPE int DLL	SE_AuxPower (int pwrCtrl, int usbDevice)
	Turn on/off the power on Y4.16, maximum allowed current is 50mA. More...

Detailed Description

Basic functions used to read or write all available ports.

Function Documentation

SE_AuxPower()

int SE_AuxPower	(	int	pwrCtrl,
		int	usbDevice
	)

Turn on/off the power on Y4.16, maximum allowed current is 50mA.

Parameters

pwrCtrl	0 = Turn off, 1 = Turn on.
usbDevice	Specify a SESTILIO USB identifier.

Returns

Operation status. Operation Status

Definition at line 470 of file sestilio.cpp.

SE_CheckPortBit()

int SE_CheckPortBit	(	int	port,
		int	bit,
		int	usbDevice
	)

Check a bit of the opto-coupled port.

Parameters

port	Port selection. 0 = P4, 1 = P5, 2 = PA, 3 = PB, 4 = Opto-Coupled input. Port Identification Number
bit	Bit selection 0-7
usbDevice	Specify a SESTILIO USB identifier.

See also

SE_ReadPort.

Returns

Bit activity 0 or 1.

Definition at line 409 of file sestilio.cpp.

SE_ClrPortBit()

int SE_ClrPortBit	(	int	portAddress,
		int	bit,
		int	usbDevice
	)

Allow to clear a bit on the selected port.

Parameters

portAddress	Port selection. 0 = P4, 1 = P5, 2 = PA, 3 = PB, 4 = Opto-Coupled output. Port Identification Number
bit	Bit to set 0-7.
usbDevice	Specify a SESTILIO USB identifier.

See also

SE_SetPortDirection, SE_WritePort, SE_SetPortBit, SE_ReadPort, SE_PortPulse.

Returns

Operation status. Operation Status

Definition at line 384 of file sestilio.cpp.

SE_PortPulse()

int SE_PortPulse	(	int	port,
		int	initialValue,
		int	finalValue,
		int	pulseWidth,
		int	timeBase,
		int	usbDevice
	)

Generate a pulse on the specified port.

Parameters

port	Port selection. 0 = P4, 1 = P5, 2 = PA, 3 = PB, 4 = Opto-Coupled output, 5 = Opto-Coupled power output. Port Identification Number
initialValue	Contents of the port for the pulse activity.
finalValue	Contents of the port at the end of activity.
pulseWidth	Pulse duration in time base unit.
timeBase	Time base. 0 = 40.816ns, 1 = 1uS, 2 = 1ms. Time base unit
usbDevice	Specify a SESTILIO USB identifier.

See also

SE_SetPortDirection, SE_WritePort, SE_SetPortBit, SE_ReadPort, SE_ClrPortBit.

#include "sest.h"
if(SE_Open('0', 0) == SE_S_SUCCESS)
{
    // Turn ON output 1 and 4 on Opto-Power-Isolated port (Y14)
    // output 1 will be active only for 1 second
    SE_PortPulse(SE_PORT_POWER, 0x05, 0x04, 1000, SE_P_TB_1_MS, 0);
    SE_Close(0);
}

Returns

Operation status. Operation Status

Definition at line 402 of file sestilio.cpp.

SE_PwmOptoCoupledPowerPort()

int SE_PwmOptoCoupledPowerPort	(	int	bit,
		int	enable,
		int	lowWidth,
		int	highWidth,
		int	usbDevice
	)

Start (or stop) a PWM the optically decoupled power port.

Parameters

bit	Bit selection 0-3.
enable	Enable (1) or disable (0) the PWM.
lowWidth	Low level duration.
highWidth	High level duration.
usbDevice	Specify a SESTILIO USB identifier.

See also

SE_WritePort, SE_PulsePort.

Returns

Operation status. Operation Status

Definition at line 463 of file sestilio.cpp.

SE_ReadKPortConfig()

int SE_ReadKPortConfig	(	int	regAdd,
		int	usbDevice
	)

Allow to read a register of the Port Expander (MCP23S17) used for PORT A and B.

Parameters

regAdd	Register address.
usbDevice	Specify a SESTILIO USB identifier.

See also

SE_WriteKPortConfig.

Returns

Register contents.

Definition at line 344 of file sestilio.cpp.

SE_ReadPort()

int SE_ReadPort	(	int	portAddress,
		int	usbDevice
	)

Allow to read of the selected port.

Parameters

portAddress	Port selection. 0 = P4, 1 = P5, 2 = PA, 3 = PB, 4 = Opto-Coupled input, 5 = Opto-Power. Port Identification Number
usbDevice	Specify a SESTILIO USB identifier.

See also

SE_SetPortDirection, SE_WritePort, SE_SetPortBit, SE_ClrPortBit, SE_PortPulse.

#include "sest.h"
if(SE_Open('0', 0) == SE_S_SUCCESS)
{
    int     ps; // Port status
    // 
    ps = SE_ReadPort(SE_PORT_OPTO, 0);
    if(ps & 1)  // Check if bit 1 of the Opto-Isolated port is 1
        // Your code ...
    SE_Close(0);
}

Returns

The port contents.

Definition at line 395 of file sestilio.cpp.

SE_SetPortBit()

int SE_SetPortBit	(	int	portAddress,
		int	bit,
		int	usbDevice
	)

Allow to set a bit on the selected port.

Parameters

portAddress	Port selection. 0 = P4, 1 = P5, 2 = PA, 3 = PB, 4 = Opto-Coupled output. Port Identification Number
bit	Bit to set 0-7.
usbDevice	Specify a SESTILIO USB identifier.

See also

SE_SetPortDirection, SE_WritePort, SE_ClrPortBit, SE_ReadPort, SE_PortPulse.

Returns

Operation status. Operation Status

Definition at line 373 of file sestilio.cpp.

SE_SetPortDirection()

int SE_SetPortDirection	(	int	port,
		int	bit7,
		int	bit6,
		int	bit5,
		int	bit4,
		int	bit3,
		int	bit2,
		int	bit1,
		int	bit0,
		int	usbDevice
	)

Allow to set direction (Input or Output) of the selected port.

Parameters

port	Port selection. 0 = P4, 1 = P5, 2 = PA, 3 = PB. Port Identification Number
bit7	0 = Input, 1 = Output. Port Direction Controls
bit6	0 = Input, 1 = Output. Port Direction Controls
bit5	0 = Input, 1 = Output. Port Direction Controls
bit4	0 = Input, 1 = Output. Port Direction Controls
bit3	0 = Input, 1 = Output. Port Direction Controls
bit2	0 = Input, 1 = Output. Port Direction Controls
bit1	0 = Input, 1 = Output. Port Direction Controls
bit0	0 = Input, 1 = Output. Port Direction Controls
usbDevice	Specify a SESTILIO USB identifier.

See also

SE_WritePort, SE_SetPortBit, SE_ClrPortBit, SE_ReadPort, SE_PortPulse.

Returns

Operation status. Operation Status

Definition at line 351 of file sestilio.cpp.

SE_WriteKPortConfig()

int SE_WriteKPortConfig	(	int	regAdd,
		int	regValue,
		int	usbDevice
	)

Allow to write a register of the Port Expander (MCP23S17) used for PORT A and B.

Parameters

regAdd	Register address.
regValue	Value to load in the register.
usbDevice	Specify a SESTILIO USB identifier.

See also

SE_ReadKPortConfig.

Returns

Operation status. Operation Status

Definition at line 337 of file sestilio.cpp.

SE_WritePort()

int SE_WritePort	(	int	portAddress,
		int	portValue,
		int	usbDevice
	)

Allow to write on the selected port.

Parameters

portAddress	Port selection. 0 = P4, 1 = P5, 2 = PA, 3 = PB, 4 = Opto-Coupled output, 5 = Opto-Coupled power output. Port Identification Number
portValue	Value to write on the selected port.
usbDevice	Specify a SESTILIO USB identifier.

See also

SE_SetPortDirection, SE_SetPortBit, SE_ClrPortBit, SE_ReadPort, SE_PortPulse.

#include "sest.h"
if(SE_Open('0', 0) == SE_S_SUCCESS)
{
    // Turn ON output 1 and 8 on Opto-Isolated port (Y9)
    SE_WritePort(SE_PORT_OPTO, 0x81, 0);
    SE_Close(0);
}

#include "sest.h"
if(SE_Open('0', 0) == SE_S_SUCCESS)
{
    // Turn ON output 1 and 4 on Opto-Power-Isolated port (Y14)
    SE_WritePort(SE_PORT_POWER, 0x05, 0);
    SE_Close(0);
}

Returns

Operation status. Operation Status

Definition at line 366 of file sestilio.cpp.