PACNET

Backplane timer API

TIMEROUT

TIMER1

TIMER2

This function returns the number of milliseconds since the device booted, excluding any time that the system was suspended.

The number of milliseconds indicates success.

This function returns the number of microsecond since the device booted, excluding any time that the system was suspended.

The number of microseconds indicates success.

This function kills the timer event identified by type, set by an earlier call to pac_SetBPTimer.

[in] Two type timer, 1 microsecond timer and 10 microsecond timer

This function installs a hardware timer. A time-out value is specified, and every time a time-out occurs, the system posts an interrupt signal to the system and the pass the message to an application-defined callback function.

[in] Two type timer, 1 microsecond timer and 10 microseconds timer [in] Timer 1: Specifies the elapses time value for a timerout signal 0~65535, in microseconds. Timer 2: Specifies the elapses time value for a timerout signal 0~65535, in 10 microseconds. Specifies the address of the application-supplied f callback function. The value is true if the function was installed successfully. It is zero and the function cannot be installed.

The timerout pin on each slot will be triggered while a timerout signal has been outputted. The timeourput pin can be used to acquire the synchronized data on each slot.

[in] Specifies the elapses time value for a high wave of the timerout signal 0~65535, in microseconds. [in] Specifies the elapses time value for a low wave of the timerout signal 0~65535, in microseconds. Specifies the address of the application-supplied f callback function. The value is true if the function was installed successfully. It is zero and the function cannot be installed.

This function sets the priority for a real-time thread of the backplane timer

[in] Specifies the backplane timer type. 0: Timerout, 1: Timer 1, 2: Timer 2 [in] Return true if success, otherwise false.This value can range from 0 through 255, with 0 as the highest priority. Return true if success, otherwise false.

Registry API

NONE

KEY

STRING

DWORD

This function retrieves the specified registry key which has how many sub keys.

[in] Specific the path of registry key which you want to count. Return the number of subkeys contained by the specified key.

This function retrieves the specified registry key which has how many values.

[in] Specific the path of registry key which you want to count. Return the number of values associated with the key.

This function creates the specified registry key.

[in] Specific the path of registry key which you want to create. Return true if success, otherwise false.

This function deletes a named subkey from the specified registry key.

[in] Specifics the path of registry key which you want to delete. Return true if success, otherwise false.

This function removes a named value from the specified registry key.

[in] Specifics the path of registry key which you want to delete. Return true if success, otherwise false.

This function retrieves value of the specified registry key.

[in] Specific the path of registry key. Return the value of the specific key.

This function retrieves the name of specified index of registry key.

[in] Specific the path of registry key. [in] Specific the index of registry key. [out] Assign a buffer to retrieves the specific the key name. Return true if success, otherwise false.

This function retrieves the type of specified index of registry key.

[in] Specific the path of registry key. We define four types about the return value: 0: PKT_NONE, 1: PKT_KEY, 2: PKT_STRING, 3: PKT_DWORD

This function retrieves value of the specified registry key.

[in] Specific the path of registry key. [out] Pointer to a buffer that receives the value's data. [in] Specific the size of data. Return true if success, otherwise false.

This function retrieves the value of specified index of registry key.

[in] Specific the path of registry key. [in] Specific the index of value. [out] Pointer to a buffer that receives the value's data. Return true if success, otherwise false.

This function determinants the specified registry key exist or not.

[in] Specific the path of registry key which you want to check whether it exists or not. Return true if success, otherwise false.

This function writes all the attributes of the specified open registry key into the registry.

[in] Handle to a currently open key or one of the following predefined reserved handle values: Return true if success, otherwise false.

This function assigns the specified registry key data whose type is string.

[in] Specific the path of registry key which you want to assign data. [in] Specific the data. [in] Specific the size of data. Return true if success, otherwise false.

This function assigns the specified registry key data whose type is DWORD.

[in] Specific the path of registry key which you want to assign data. [in] Specific the data. Return true if success, otherwise false.

Backplane API

System Information API

Buzzer API

CPU type only XPAC CE6

CPU type only XPAC CE6

Genernal I-8000W module

I-8000RW module (R version: Provide PowerOn and Safe value)

No module defined

I-8000W module with 32 DI channels

I-8000W module with 32 DO channels

I-8000W module with 16 DI channels and 16 DO channels

I-8000W module with 16 DI channels

I-8000W module with 16 DO channels

I-8000W module with 8 DI channels and 8 DO channels

This function reboots the device.

[in] Decide turning on or not.

This function retrieves the backplane ID.

[out] the pointer to a buffer to receive the backplane version.

This function retrieves the backplane ID.

Return the backplane ID.

This function retrieves the backplane battery status.

[in] Specifies the index of battery. 1: means first battery, 2: means second battery 1: means high voltage, 2: means low voltage

This function retrieves the dip switch.

Return Values of the DIP switch.

This function retrieves the number of slot.

Return the number of slots available.

This function retrieves the number of slot.

[in] User specifies the handle ID.

This function deletes the registry key after turning off the hot plug.

[in] User specifies the handle ID.

Get CPU type only XPAC CE6

This function retrieves the PAC running in the backward compatible mode or not.

Return true if the PAC is running in a backward compatible mode, otherwise false.

This function specifies the slot from one to another.

[in]Specifies the slot number.

This function decides the LED turning on or not.

[in] True: On, False:Off

This function decides the LED turning on or not.

[in] 0: L1 LED, 1:L2 LED [in] True: On, False:Off

This function retrieves the CPU version.

[out]Retrieves the CPU version of the PAC.

This function retrieves the CPU version.

Return the CPU version.

This function retrieves the eboot version.

[out]Retrieves the Eboot version.

This function retrieves the eboot version.

Return the eboot version.

This function retrieves the Mac address.

[in] Specifies the LAN number. [out] Retrieves the MAC address of the specified LAN port.

This function retrieves the Mac address.

Specifies the LAN number. Return the Mac address.

This function is used to retrieve the name of an 8000 series I/O module, which is plugged into a specific I/O slot in the Pac system. This function supports the collection of system hardware configurations.

[in] Specify the slot number where the I/O module is plugged into. [out] The pointer to a buffer to receive the name of the I/O module. Return 255 if the module is I-8K series module, otherwise, undefined.

This function is used to retrieve the name of an 8000 series I/O module, which is plugged into a specific I/O slot in the Pac system. This function supports the collection of system hardware configurations.

[in]Specify the slot number where the I/O module is plugged into. [out]The pointer to a buffer to receive the name of the I/O module. Return 255 if the module is I-8K series module, otherwise, undefined.

This function is used to retrieve the name of an 8000 series I/O module, which is plugged into a specific I/O slot in the Pac system. This function supports the collection of system hardware configurations.

[in]Specify the slot number where the I/O module is plugged into. Return the name of the I/O module.

This function is used to retrieve the type of I/O modules.

[in] Specify the slot number where the I/O module is plugged into.

This function retrieves the OS version.

[out] Retrieves the OS version of the PAC.

This function retrieves the OS version.

Return the OS version.

This function retrieves the rotary switch ID.

Return the position of the rotary switch.

This function retrieves the serial number.

[out] Retrieves the serial number of the PAC.

This function retrieves the serial number.

Return the serial number.

This function retrieves the version of the PacNet.dll.

Return the version of the PacNet.dll.

This function retrieves the SDK version.

[out] Retrieves the version of the PacSDK.

This function retrieves the SDK version.

Return the SDK version.

This function reboots the device.

This function specifies the application not access the XPacSDK.dll which is wrong version.

[in] Specifies SDK version. Return TRUE, if the version is correctly. Otherwise, return false.

This function specifies the IO module whether exist or not, no matter the module is local or remote.

[in] The serial port HANDLE opened by uart_Open(). It your IO module is located at local, this Parameter should be 0. [in] The slot in which module is to check exists or not. If the IO module is remote, please input the module’s ID. Return TRUE, if the module exists. Otherwise, return false.

Watchdog API

WDT_HW

WDT_OS

This function turns off the watchdog operation.

[in] Specifies the Watchdog type: 0: pac_WDT_HW, 1: pac_WDT_OS The return value specifies the memory size.

This function turns on the watchdog operation.

[in] Specifies the Watchdog type: 0: pac_WDT_HW, 1: pac_WDT_OS [in] Specifies the watchdog time. Return true if success, otherwise false.

This function retrieves the watchdog state.

[in] Specifies the Watchdog type: 0: pac_WDT_HW, 1: pac_WDT_OS The return value specifies the watchdog state. If turning on, return true, otherwise false.

This function retrieves the watchdog time.

[in] Specifies the Watchdog type: 0: pac_WDT_HW, 1: pac_WDT_OS The return value is the watchdog time which has been assigned by pac_EnableWatchDog or pac_SetWatchDogTime.

This function refreshes the watchdog.

[in] Specifies the Watchdog type: 0: pac_WDT_HW, 1: pac_WDT_OS

This function retrieves the watchdog time.

[in] Specifies the Watchdog type: 0: pac_WDT_HW, 1: pac_WDT_OS The return value is the watchdog time which has been assigned by pac_EnableWatchDog or pac_SetWatchDogTime. [in] Specifies the watchdog time. Return true if success, otherwise false.

Buzzer API

Interrupt API

Rising edge trigger(default)

Level trigger

Falling edge trigger

This function performs hardware operations necessary to enable the specified hardware interrupt.

[in] Specify the index of slot to enable interrupt or disable. [in] Specify the Slot interrupt turning on or not.

This function retrieves the slot event handle which registered by pac_InterruptInitialize.

[in] Specify the index of slot to retrieve the event handle. Return a handle to the event object if success, otherwise, false.

This function retrieves the slot interrupt ID.

[in] Specify the slot. Return the slot interrupt ID.

This function signals to the kernel that interrupt processing has been completed.

[in] Specify the slot.

This function initializes a slot interrupt with the kernel. This initialization allows the slot to register an event and enable the interrupt.

[in] Specify the index of slot to initialize. Return true if success, otherwise false.

This function registers slot interrupt service route and turns on slot interrupt.

[in] Specify the index of slot. A callback function. Return true if success, otherwise false.

This function allows a device driver to assign the slot event handle.

[in] Specify the index of slot to retrieve the event handle. [in] Event to be signaled.

This function sets the priority for a real-time thread on a thread by thread basis.

[in] Specify the index of slot to set priority. [in] Priority to set for the thread. This value can range from 0 through 255, with 0 as the highest priority. Return true if success, otherwise false.

This function can assign the pulse trigger type.

[in] Specify the index of slot. [in] Specify the pulse trigger type. 0: Rising edge trigger(default) 1: Level trigger 2: Falling edge trigger

This function unregisters slot interrupt service route and diables a hardware interrupt as specified by its interrupt identifier.

[in] Specify the index of slot. Return true if success, otherwise false.

microSD Management API

Memory Access API

SRAM

EEPROM

NVRAM

This function is used to check that the Micro SD whether has been standby ready or not.

Return true if success, otherwise false.

This function is used to mount Micro SD if the Micro SD has been inserting to the device without mounting.

[in] Name of the partition. Example Part00. Return true if success, otherwise false.

This function is used to check the Micro SD whether on-side or not.

Return true if success, otherwise false.

This function is used to dismount Micro SD if the Micro SD has been mounted.

Return true if success, otherwise false.

This function retrieves the size of the specified memory.

[in] Handle to a currently type memory. 0: pac_MEM_SRAM, 1: pac_MEM_EEPROM The return value specifies the memory size.

This function retrieves the size of the specified memory.

[in] Specifies the memory address where read from. [in] A pointer to a buffer that receives the memory data. [in] Number of characters to be read. [in] Handle to a currently type memory. 0: pac_MEM_SRAM, 1: pac_MEM_EEPROM Return true if success, otherwise false.

This function retrieves the size of the specified memory.

[in] Specifies the memory address where read from. [in] A pointer to a buffer that receives the memory data. [in] Number of characters to be read. [in] Handle to a currently type memory.

This function retrieves the size of the specified memory.

[in] Specifies the memory address where write from. [in] A pointer to the buffer containing the data to be written to the memory. [in] Number of characters to be written. [in] Handle to a currently type memory. 0: pac_MEM_SRAM, 1: pac_MEM_EEPROM Return true if success, otherwise false.

This function retrieves the size of the specified memory.

[in] Specifies the memory address where write from. [in] A pointer to the buffer containing the data to be written to the memory. [in] Number of characters to be written. [in] Handle to a currently type memory. 0: pac_MEM_SRAM, 1: pac_MEM_EEPROM

This function turns on/off EEPROM.

[in] To turn on or protect EEPROM. True: To turn on EEPROM, False: To protect EEPROM.

Error Handling APII

This function retrieves a message string.

[in] Specifies the 32-bit message identifier for the requested message. [out] Pointer to a buffer for the error message.

This function returns the last-error code value.

The Return Value section of each reference page notes the conditions under which the function sets the last-error code.

This function sets the last-error code.

[in] Specifies the last-error code.

This function clears the last-error code.

Error Codes

No Error

Unknow Error

Slot registered error

Slot not registered error

Unknown Module

Module doesn't exist

Invalid COM port number

Function not supported

Module doesn't exist

Slot not registered error

EEPROM accesses invalid address

SRAM accesses invalid address

SRAM accesses invalid type

NVRAM accesses invalid address

EEPROM write protection

EEPROM write fail

EEPROM read fail

The input value is invalid

The wdt doesn't exist

The wdt init error

Create interrupt's event failure

Uart check sum error

Uart read timeout

Uart response error

Uart under input range

Uart exceed input range

Uart open filed

Uart get Comm Modem status error

Uart get wrong line status

Uart internal buffer overflow

IO card does not support this API function

API unsupport this IO card

Slot's value exceeds its range

Channel's value exceeds its range

Gain's value exceeds its range

Unsupported interrupt mode

I/O value is out of the range

I/O channel is out of the range

DI/O channel can't overwrite

AI/O channel can't overwrite

Backplane Timer registed

Backplane Timer not registed

PAC_IO API

i8KR IO API

PAC_IO API

remote mode, the address need call a macro.

The function can retrieve the value which in specific bit.

Which IO result wants to get bit. Specific bit to retrieve. The value of specific index.

This function writes the DO values to DO modules.

[in] the serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO (Address). [in] The total number of DO channels of the DO modules. [in] A 8-digit hexadecimal value, where bit 0 corresponds to DO0, bit 31 corresponds to DO31, etc. When the bit is 1, it denotes that the digital output channel is on, and 0 denotes that the digital output channel is off. Return true if success, otherwise false.

This function writes a single bit of value to the DO module, that is, only the channel corresponding to the bit is changed.

[in] the serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] The total number of DO channels of the DO modules. [in] The DO channel to change. [in] 1 is to turn on the DO channel; 0 is off. Return true if success, otherwise false.

This function reads the DO value of the DO module.

[in] the serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] The total number of DO channels of the DO modules. [in] The pointer of the DO value to read from the DO module. Return true if success, otherwise false.

This function reads the DI value of the DI module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] The total channels of the DI module. [out] The pointer to DI value to read back. Return true if success, otherwise false.

This function reads the DI and the DO values of the DIO module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] The total number of DI channels of the DIO module. [in] The total number of DO channels of the DIO module. [out] The pointer to the value of DI read back. [out] The pointers to the value of DO read back. Return true if success, otherwise false.

This function reads the DI latch value of the DI module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] The total number of the DI channels of the DI module. [in] The latch type specified to read latch value back. 1: latched high status, 0: latched low status [out] The pointer to the latch value read back from the DI module. Return true if success, otherwise false.

This function clears the latch value of the DI module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). Return true if success, otherwise false.

This function reads the latch values of the DI and DO channels of the DIO module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] The total number of the DI channels of the DIO module. [in] The total number of the DO channels of the DIO module. [in] The type of the latch value read back. [out] The pointer to the DI latch value read back. [out] The pointer to the DO latch value read back.

This function clears the latch values of DI and DO channels of the DIO module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). Return true if success, otherwise false.

This function reads the counts of the DI channels of the DI module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] The channel that the counter value belongs. [in] Total number of the DI channels of the DI module. [out] The pointer to the counter value. Return true if success, otherwise false.

This function clears the counter value of the DI channel of the DI module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] The channel that the counter value belongs. [in] Total number of the DI channels of the DI module. Return true if success, otherwise false.

This function writes the AO value to the AO modules.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] The channel that is written thee AO value to. [in] The total number of the AO channels of the AO module. [in] The AO value to write to the AO module. Return true if success, otherwise false.

This function reads the AO value of the AO module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] Read the AO value from the channel. [in] The total number of the AO channels of the AO module. [in] The pointer to the AO value that is read back from the AO module. Return true if success, otherwise false.

This function reads the engineering-mode AI value of the AI module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] Read the AI value from the channel. [in] The total number of the AI channels of the AI module. [in] The pointer to the AI value that is read back from the AI module. Return true if success, otherwise false.

This function reads the 2's complement-mode AI value of the AI module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] Read the AI value from the channel. [in] The total number of the AI channels of the AI module. [in] The pointer to the AI value that is read back from the AI module. Return true if success, otherwise false.

This function reads all the AI values of all channels in engineering-mode of the AI module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [out] The array contains the AI values that read back from the AI module. Return true if success, otherwise false.

This function reads all the AI values of all channels in 2's complement-mode of the AI module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [out] The array contains the AI values that read back from the AI module. Return true if success, otherwise false.

This function reads the counter values of the counter/frequency modules.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] The channel that reads the counter value back from the counter/frequency module. [out] The pointer to the counter value that reads back from the counter/frequency module. Return true if success, otherwise false.

This function clears the counter values of the counter/frequency modules.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] The channel that clears the counter value back from the counter/frequency module. Return true if success, otherwise false.

This function clears the counter values of the counter/frequency modules.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [in] The channel that reads the counter overflows value back from the counter/frequency module. [out] The pointer to the counter overflow that is read back from the counter/frequency module. Return true if success, otherwise false.

This function reads all the AI values of all channels in engineering-mode of the AI module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [out] The array contains the AI values that read back from the AI module. Return true if success, otherwise false.

This function reads all the AI values of all channels in 2's complement-mode of the AI module.

[in] The serial port HANDLE opened by uart_Open(). 0, if the module is 8k modules in local [in] The slot in which module is to receive the command. Default is local. If the IO module is remote, please use the macro, pac_REMOTE_IO(0...255). [out] The array contains the AI values that read back from the AI module. Return true if success, otherwise false.

MISC API

This function can convert unicode string to ansi byte array.

[in] A pointer to a buffer that stores unicode string. Return ansi byte array.

When you run a Windows Form, it creates the new form, which then waits for events to handle. Each time the form handles an event, it processes all the code associated with that event. All other events wait in the queue. While your code handles the event, your application does not respond. If you call pac_DoEvents in your code, your application can handle the other events.

This function can convert ansi byte array to unicode string.

[in] A pointer to a buffer that stores ansi byte array. Return unicode string.

get app path

get current directory

UART API

IN_DATA

OUT_DATA

CTS

DSR

RI

CD

CTO_TIMEOUT_ALL

CTO_READ_RETRY_TIMEOUT

CTO_READ_TOTAL_TIMEOUT

CTO_WRITE_TOTAL_TIMEOUT

This function is applied to receive the fix length response.

[in] Handle to the open COM port. [out] A pointer to a buffer that receives the data. [in] The length of result string. 1: indicates success, 0: indicates failure.

Send out the command string by fix length, which is controlled by the Parameters “in_Len”.

[in] Handle to the open COM port. [in] A pointer to a buffer that send the data. [in] The length of result string. 1: indicates success, 0: indicates failure.

This function is used to Send binary command and receive binary data with the fixed length.

[in] Handle to the open COM. [in] A pointer to a command. [in] The length of command string. [out] A pointer to a buffer that receives the data. [in] The length of result string. 1: indicates success, 0: indicates failure.

This function closes the COM port which has been opened.

[in] Handle to the open COM port to close. 1: indicates success, 0: indicates failure.

This function turns on the check sum or not.

[in] Handle to the open COM port to close. [in] Decide the check sum turning on or not. Default is disabling.

This function retrieves the number of bytes received by the serial provider but not yet read by a uart_Recv operation, or of user data remaining to transmit for write operations.

[in] Handle to the open COM port. [in] A value specifies to retrieve in or out buffer. This Parameters can be following values, 0: IN_DATA, 1: #define OUT_DATA The number of bytes in/out buffer but not yet read/write.

This function retrieves the modem control-register values.

[in] Handle to the open COM port. [in] A variable specifies state of a pin of the COM port. This Parameters can be following values, 0: CTS, 1: DSR, 2: RI 3:CD TRUE indicates the pin’s state is ON. 0 indicates OFF.

This function opens the COM port and specifies the baud rate, parity bits, data bits, and stop bits.

[in] Specifies the COM port, baud rate, parity bits, data bits, and stop bits. TRUE indicates the pin’s state is ON. 0 indicates OFF.

This function retrieves data through the COM port which have been opened.

[in] Handle to the open COM port. [out] A pointer to a buffer that receives the data. 1: indicates success. 0: indicates failure.

This function sends data through the COM port which have been opened.

[in] Handle to the open COM port. [in] A pointer to a buffer that send the data, 2048 bytes maximum. 1: indicates success. 0: indicates failure.

This function sends commands through the COM port which have been opened.

[in] Handle to the open COM. [in] A pointer to a command. [out] A pointer to a buffer that receives the data. 1: indicates success. 0: indicates failure.

This function sets the terminate characters.

[in] Handle to the open COM port. [in] Pointer the terminate characters. Default is CR (0x0D).

This function sets the time out timer.

[in] Handle to the open COM port. [in] millisecond to the timer. [in] Specifies the time out timer type as following: 0: CTO_TIMEOUT_ALL, 1: CTO_READ_RETRY_TIMEOUT, 2: CTO_READ_TOTAL_TIMEOUT, 3: CTO_WRITE_TOTAL_TIMEOUT

This function is applied to receive the fix length response.

[in] Handle to the open COM port. [out] A pointer to a buffer that receives the data. [in] The length of result string. 1: indicates success, 0: indicates failure.

Send out the command string by fix length, which is controlled by the Parameters “in_Len”.

[in] Handle to the open COM port. [in] A pointer to a buffer that send the data. [in] The length of result string. 1: indicates success, 0: indicates failure.

This function is used to Send string command and receive string data with the fixed length.

[in] Handle to the open COM. [in] A pointer to a command. [in] The length of command string. [out] A pointer to a buffer that receives the data. [in] The length of result string. 1: indicates success, 0: indicates failure.