[AX10425 - 5/10 Channel Counter/Timer Module]
Function:
ax10425Init
Description:
Initialize the device.
int ax10425Init(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_EVCNT
ID_FUNC_FOUT
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: ax10425Term
Description:
Terminate the device driver.
int ax10425Term(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:
ax10425GetDevAtbu
Description:
Retrieve the device attribute.
int ax10425GetDevAtbu(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:
ax10425IRQSetting
Description:
Setting up the interrupt service routine for digital input via interrupt.
int ax10425IRQSetting(int base_addr, void ISR(*isr)());
base_addr: I/O base address of the device.
*isr: The user specified interrupt service routine.
Remarks:
Use this function to specified the interrupt service routine. Each time
the interrupt was generated, the *isr will be called.
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:
ax10425IRQRestore
Description:
Restore the old interrupt service routine.
int ax10425IRQRestore(int IRQNo);
IRQNo: IRQ number specified in the ax10425IRQSetting function.
Remarks:
Use this function to restore the interrupt service routine. Call this
function everytime if ax10425IRQSetting was called, and before the
ax10425Term was called.
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:
ax10425SetCntMode
Description:
Setup up Am9513A counter mode register(CMR) of AX10425.
int ax10425SetCntMode(int base_addr, int CntNo, WORD Mode);
base_addr: I/O base address of the device.
CntNo: Counter number. CNT#1,2,3,4,5....
Mode: CMR of Am9513A. Please refer to Am9513A data book for detailed info.
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:
ax10425GetCntSts
Description:
Retrieve the status of the specified counter.
int ax10425GetCntSts(int base_addr, int CntNo, int* pStatus);
base_addr: I/O base address of the device.
CntNo: Counter number. CNT#1,2,3,4,5....
pStatus: Pointer to storage of counter status.
Return Value:
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:
ax10425ReadCnt, ax10425ReadCntA
Description:
read the 'current' count of the specified counter.
int ax10425ReadCnt(int base_addr, int CntNo, WORD* pdata);
int ax10425ReadCntA(int base_addr, int CntNo, WORD* pdata, int ReadMode);
base_addr: I/O base address of the device.
CntNo: Counter number. CNT#1,2,3,4,5....
pdata: Pointer to storage of current count.
ReadMode: (Advanced Function) Specify the reading of 'current' count. The
value will be ID_MANUAL, for manual reading, or ID_AUTOREAD, for automatic
reading.
Remarks:
The only difference between ax10425ReadCnt() and ax10425ReadCntA() is that how
the counter will be latched for reading. You can latch the counter manually,
and read the counter by calling ax10425ReadCntA(), as well as calling another
function, ax10425ReadCnt(), to latch and read the counter automatically.
Return Value:
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:
ax10425WriteCnt, ax10425WriteCntA
Description:
Write data to the specified counter.
int ax10425WriteCnt(int base_addr, int CntNo, WORD data);
int ax10425WriteCntA(int base_addr, int CntNo, WORD data, int WriteMode);
base_addr: I/O base address of the device.
CntNo: Counter number. CNT#1,2,3,4,5....
data: Data that will be loaded onto the counter's LOAD register.
WriteMode: (Advanced Function) Specify the LOAD/ARM method of the data. The
value will be ID_MANUAL, for manual ARM data, or ID_AUTOWRITE, for auto-
matically ARM data.
Remarks:
The only difference between these two functions is that how the counter will
being ARMed. You can call ax10425WriteCntA(ID_MANUAL) to LOAD counter and then
ARM counter by yourself. Or call ax10425WriteCnt() to LOAD and ARM counter
automatically.
Return Value:
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:
ax10425EventCount
Description:
Event counting function.
int ax10425EventCount(int base_addr, int CntNo, WORD ConvNo);
base_addr: I/O base address of the device.
CntNo: Counter number. CNT#1,2,3,4,5....
ConvNo: Specify the initial value to count down.
Remarks:
The default counting direction is count down. You can change the counting
direction by setting up the CMR via ax5126SetCntMode(). Refer to Am9513A data
book for detailed information.
Return Value:
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:
ax10425Frequency
Description:
Frequency measurement function.
int ax10425Frequency(int base_addr, int* pCntNo, WORD delay, float* pFreq);
base_addr: I/O base address of the device.
pCntNo: Pointer to buffer of counter used. For example, if you use cascaded
counters, CNT#1 and CNT2, to measure frequency. The buffer CntUse[] will
be CntUse[0]=1, CntUse[1]=CntUse[2]=2. (pFreq=CntUse).
delay: Specify the sampling period for frequency measurement.
pFreq: Pointer to storage of measured frequency.
Remarks:
There are plenty of frequency measument methods. This function shows how to
measure frequency in software gating method, which may loss data in some
non-realtime system, but makes the most use of all channels. It is your own
freedom to implement any other measuring method as long as it works, with
functions described above.
Return Value:
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:
ax10425WaveGen
Description:
Generate square wave through OUT pin.
int ax10425WaveGen(int base_addr, int CntNo, DWORD base_freq, DWORD out_freq);
base_addr: I/O base address of the device.
CntNo: Counter number. CNT#1,2,3,4,5....
base_freq: Base frequency of the counter CLK source.
out_freq: Value of the output frequency.
Return Value:
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.
Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.