IPMUX1IPMUX2IPMUX3: function_description(opl_reg_test.c)

RTL96xx (RTL9607,...)

previous page next page
首页 | 模块 | 数据结构 | 文件列表 | 数据字段 | 全局定义 | 相关页面

function_description(opl_reg_test.c)
[register mmap test module]


local variable declaration and definition

u32 reg_read (char *reg_base, int offset)
 description: use to read the value of (reg_base + offset);
void reg_write (char *reg_base, int offset, u32 value)
 description: write the u32 value into regbase + offset,if the offset is not alignment of 4, it will return and print error message.
void opl_reg_main (int argc, char **argv)
 description: the body unit testing of regmmap module ,it will be completed.
int opl_reg_init (int *opl_reg_initialized)
 description: use to open the /dev/opl_reg device and do mmap() it.
int opl_reg_exit (int *opl_reg_initialized)
 description: do close file and unmap the memory mmaped before.

函数

int main (int argc, char **argv)
 description:the Entry of the unit testing for opl_regmmap module.

函数文档

int main (  int  argc,
char **  argv
) 
 

description:the Entry of the unit testing for opl_regmmap module.

参数:
@param 
返回值:
@retval 
参见:
Deprecated:

在文件opl_regmmap_test.c第247行定义。

参考 opl_reg_exit()、opl_reg_init()及opl_reg_main().

int opl_reg_exit (  int *  opl_reg_initialized  ) 
 

description: do close file and unmap the memory mmaped before.

参数:
*opl_reg_initialized: if initialized,exit will close it and do unmap it.
返回值:
0 success
-1 failed
参见:
Deprecated:

在文件opl_regmmap_test.c第227行定义。

参考 opl_reg_base、opl_reg_fd及OPL_REG_SIZE.

int opl_reg_init (  int *  opl_reg_initialized  ) 
 

description: use to open the /dev/opl_reg device and do mmap() it.

参数:
*opl_reg_initialized,1 indicated open device and mmap successfully.
返回值:
0 success
-x failed.
参见:
Deprecated:

在文件opl_regmmap_test.c第203行定义。

参考 opl_reg_base、OPL_REG_DEVICE、opl_reg_fd及OPL_REG_SIZE.

void opl_reg_main (  int  argc,
char **  argv
) 
 

description: the body unit testing of regmmap module ,it will be completed.

参数:
int argc
char **argv
返回:
void
参见:
Deprecated:

在文件opl_regmmap_test.c第151行定义。

参考 opl_reg_base、OPL_REG_USAGE、reg_read()、reg_write()及u32.

参考自 main().

u32 reg_read (  char *  reg_base,
int  offset
) 
 

description: use to read the value of (reg_base + offset);

参数:
*reg_base: the base address of mmap().
offset the offset of the reg_base.
返回:
the value(u32) of the (reg_base +offset)
返回值:
-1 indicate the offset is not alignment of 4. or the value is 0xffff,ffff.
 
参见:
Deprecated:

在文件opl_regmmap_test.c第115行定义。

参考 u32.

参考自 opl_reg_main().

void reg_write (  char *  reg_base,
int  offset,
u32  value
) 
 

description: write the u32 value into regbase + offset,if the offset is not alignment of 4, it will return and print error message.

参数:
*reg_base: the base address of mmap().
offset the offset of the reg_base.
返回:
void
参见:
Deprecated:

在文件opl_regmmap_test.c第134行定义。

参考 u32.

参考自 opl_reg_main().

Generated at Mon Jul 30 16:43:48 2007 for IPMUX1IPMUX2IPMUX3 by  doxygen 1.3.9.1

previous page start next page