ax10412.txt Driver File Contents (AS59099V2_0.zip)

[AX10412 - 16 Ch. Isolated Temp/Voltage Measurement Module]

Function:
   ax10412Init

Description:
   Initialize the device.

   int ax10412Init(int base_addr, int function);
   base_addr: I/O base address of the device.
   function: Function ID.

Remarks:
   This function should be called once before the device performming any data
   I/O functions. The function ID could be either of the constants listing below
   or any combinition of them:
      ID_FUNC_AI
      ID_FUNC_AI_IRQ
      ID_FUNC_DI
      ID_FUNC_DO
      ID_FUNC_ALL

Return Values:
   This function will return an error code defined in the ERROR CODE LIST of
   AXDDR include file(axddr.h). Please be sure to check this returned value to
   determine whether the function call succeed or not. If there're no any error
   occured, the return value should be ERR_NOERR. Otherwise, the value will be
   the one defined in ERROR CODE LIST.


Function: ax10412Term

Description:
   Terminate the device driver.

   int ax10412Term(int base_addr);
   base_addr: I/O base address of the device.

Remarks:
   This function should be called once if the device will no longer performming
   any data I/O functions. Usually at the end of you data acquisition/control
   processes.

Return Values:
   This function will return an error code defined in the ERROR CODE LIST of
   AXDDR include file(axddr.h). Please be sure to check this returned value to
   determine whether the function call succeed or not. If there're no any error
   occured, the return value should be ERR_NOERR. Otherwise, the value will be
   the one defined in ERROR CODE LIST.


Function:
   ax10412GetDevAtbu

Description:
   Retrieve the device attribute.

   int ax10412GetDevAtbu(LPDEVATBU lpDevAtbu);
   lpDevAtbu: Pointer to the DEVATBU struct, which stores the device attribute.

Return Values:
   This function will return an error code defined in the ERROR CODE LIST of
   AXDDR include file(axddr.h). Please be sure to check this returned value to
   determine whether the function call succeed or not. If there're no any error
   occured, the return value should be ERR_NOERR. Otherwise, the value will be
   the one defined in ERROR CODE LIST.


Function:
   ax10412DI

Description:
   Digital input function for a specified channel.

   int ax10412DI(int base_addr, int chan, int* data);
   base_addr: I/O base address of the device.
   chan: Channel to perform DI function.
   data: Storage for digital input status.

Remarks:
   This function will retrieve the one and only specified channel for it's
   digital input status. The status value will stored in the third parameter,
   data, where '1' stands for 'HIGH' status, and '0' for 'LOW' one.

Return Values:
   This function will return an error code defined in the ERROR CODE LIST of
   AXDDR include file(axddr.h). Please be sure to check this returned value to
   determine whether the function call succeed or not. If there're no any error
   occured, the return value should be ERR_NOERR. Otherwise, the value will be
   the one defined in ERROR CODE LIST.


Function:
   ax10412DI_P

Description:
   Digital input function for a specified port(8-bit).

   int ax10412DI_P(int base_addr, int* data);
   base_addr: I/O base address of the device.
   data: Storage for digital input status.

Remarks:
   This function will retrieve all the digital input status of channels in
   the same port at one time.

Return Values:
   This function will return an error code defined in the ERROR CODE LIST of
   AXDDR include file(axddr.h). Please be sure to check this returned value to
   determine whether the function call succeed or not. If there're no any error
   occured, the return value should be ERR_NOERR. Otherwise, the value will be
   the one defined in ERROR CODE LIST.


Function:
   ax10412DO

Description:
   Digital output function for the specified channel.

   int ax10412DO(int base_addr, int chan, int data);
   base_addr: I/O base address of the device.
   chan: channel to proform digital output function.
   data: Digital output status.0:LOW, 1:HIGH.

Remarks:
   Use this function to output a LOW or HIGH signal to the specified channel.

Return Values:
   This function will return an error code defined in the ERROR CODE LIST of
   AXDDR include file(axddr.h). Please be sure to check this returned value to
   determine whether the function call succeed or not. If there're no any error
   occured, the return value should be ERR_NOERR. Otherwise, the value will be
   the one defined in ERROR CODE LIST.



Function:
   ax10412DO_P

Description:
   Digital output function for a specified port(8-bit).

   int ax10412DO_P(int base_addr, int data);
   base_addr: I/O base address of the device.
   data: Digital output status for a port(8-channel).

Remarks:
   Use this function to output signals(LOW/HIGH) at one time for channels in
   the same port.

Return Values:
   This function will return an error code defined in the ERROR CODE LIST of
   AXDDR include file(axddr.h). Please be sure to check this returned value to
   determine whether the function call succeed or not. If there're no any error
   occured, the return value should be ERR_NOERR. Otherwise, the value will be
   the one defined in ERROR CODE LIST.


Function:
   ax10412AI

Description:
   Analog input function for specified channel.

   int ax10412AI(int base_addr, int chan, int gaincode, float* pfdata);
   base_addr: I/O base address of the device.
   chan: channel to perform analog input function.
   gaincode: Gain code of the device. High byte determines the AI resolution,
      where 0:12-bit and 1:16-bit resolution. Low byte determines input range as
      follows:
         0:+-    5V
         1:+-  0.5V
         2:+- 0.05V
         3:+- 0.01V
         4:0~   10V
         5:0~    1V
         6:0~  0.1V
         7:0~ 0.02V
         8:+-   10V
   pfdata: Pointer to storage of analog input data.

Remarks:
   This function uses software triggered method to perform an analog input
   function. The gaincode should be set according to the users maunal of the
   device.

Return Values:
   This function will return an error code defined in the ERROR CODE LIST of
   AXDDR include file(axddr.h). Please be sure to check this returned value to
   determine whether the function call succeed or not. If there're no any error
   occured, the return value should be ERR_NOERR. Otherwise, the value will be
   the one defined in ERROR CODE LIST.


Function:
   ax10412CJC

Description:
   Retrieve the CJC value of the device.

   int ax10412CJC(int base_addr, int GainCode, float* pCJC);
   base_addr: I/O base address of the device.
   GainCode: Gain code of the device. High byte determines the AI resolution,
      where 0:12-bit and 1:16-bit resolution. Low byte determines input range as
      follows:
         0:+-    5V
         1:+-  0.5V
         2:+- 0.05V
         3:+- 0.01V
         4:0~   10V
         5:0~    1V
         6:0~  0.1V
         7:0~ 0.02V
         8:+-   10V
   pCJC: Pointer to storage of CJC value.

Return Values:
   This function will return an error code defined in the ERROR CODE LIST of
   AXDDR include file(axddr.h). Please be sure to check this returned value to
   determine whether the function call succeed or not. If there're no any error
   occured, the return value should be ERR_NOERR. Otherwise, the value will be
   the one defined in ERROR CODE LIST.


Function:
   ax10412Temp

Description:
   Temperature measuring function

   int ax10412Temp(int base_addr, int chan, int GainCode, int ThermoType, float* pfdata);
   base_addr: I/O base address of the device.
   chan: Channel number.
   GainCode: Gain code of the device. High byte determines the AI resolution,
      where 0:12-bit and 1:16-bit resolution. Low byte determines input range as
      follows:
         0:+-    5V
         1:+-  0.5V
         2:+- 0.05V
         3:+- 0.01V
         4:0~   10V
         5:0~    1V
         6:0~  0.1V
         7:0~ 0.02V
         8:+-   10V
   ThermoType: Thermocouple type. The value will be one of follows:
      ID_JTYPE
      ID_KTYPE
      ID_TTYPE
      ID_ETYPE
      ID_RTYPE
      ID_STYPE
   pfdata: Pointer to storage of temperature value.

Return Values:
   This function will return an error code defined in the ERROR CODE LIST of
   AXDDR include file(axddr.h). Please be sure to check this returned value to
   determine whether the function call succeed or not. If there're no any error
   occured, the return value should be ERR_NOERR. Otherwise, the value will be
   the one defined in ERROR CODE LIST.
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