ecos.ecc

实现快速傅立叶变换算法,provides test framwork for FFT testing

    #     Calculated:   CYGNUM_LIBM_COMPATIBILITY == "POSIX" ? "CYGNUM_LIBM_COMPAT_POSIX" : CYGNUM_LIBM_COMPATIBILITY == "IEEE"  ? "CYGNUM_LIBM_COMPAT_IEEE" : CYGNUM_LIBM_COMPATIBILITY == "XOPEN" ? "CYGNUM_LIBM_COMPAT_XOPEN" : CYGNUM_LIBM_COMPATIBILITY == "SVID"  ? "CYGNUM_LIBM_COMPAT_SVID" : "<undefined>"  
    # option CYGNUM_LIBM_COMPAT_DEFAULT
    #     Calculated:   CYGNUM_LIBM_COMPATIBILITY == "POSIX" ? "CYGNUM_LIBM_COMPAT_POSIX" : CYGNUM_LIBM_COMPATIBILITY == "IEEE"  ? "CYGNUM_LIBM_COMPAT_IEEE" : CYGNUM_LIBM_COMPATIBILITY == "XOPEN" ? "CYGNUM_LIBM_COMPAT_XOPEN" : CYGNUM_LIBM_COMPATIBILITY == "SVID"  ? "CYGNUM_LIBM_COMPAT_SVID" : "<undefined>"  
    # option CYGNUM_LIBM_COMPAT_DEFAULT
    #     Calculated:   CYGNUM_LIBM_COMPATIBILITY == "POSIX" ? "CYGNUM_LIBM_COMPAT_POSIX" : CYGNUM_LIBM_COMPATIBILITY == "IEEE"  ? "CYGNUM_LIBM_COMPAT_IEEE" : CYGNUM_LIBM_COMPATIBILITY == "XOPEN" ? "CYGNUM_LIBM_COMPAT_XOPEN" : CYGNUM_LIBM_COMPATIBILITY == "SVID"  ? "CYGNUM_LIBM_COMPAT_SVID" : "<undefined>"  
};

# >
# Numeric representation
# This option automatically defines the default compatibility
# mode for numeric representation in terms of the values used
# to set that mode at run-time.
#
cdl_option CYGNUM_LIBM_COMPAT_DEFAULT {
    # Calculated value:   CYGNUM_LIBM_COMPATIBILITY == "POSIX" ? "CYGNUM_LIBM_COMPAT_POSIX" : CYGNUM_LIBM_COMPATIBILITY == "IEEE"  ? "CYGNUM_LIBM_COMPAT_IEEE" : CYGNUM_LIBM_COMPATIBILITY == "XOPEN" ? "CYGNUM_LIBM_COMPAT_XOPEN" : CYGNUM_LIBM_COMPATIBILITY == "SVID"  ? "CYGNUM_LIBM_COMPAT_SVID" : "<undefined>"  
    #     CYGNUM_LIBM_COMPATIBILITY == POSIX
    #     CYGNUM_LIBM_COMPATIBILITY == POSIX
    #     CYGNUM_LIBM_COMPATIBILITY == POSIX
    #     CYGNUM_LIBM_COMPATIBILITY == POSIX
    # Flavor: data
    # Current_value: CYGNUM_LIBM_COMPAT_POSIX
};

# <
# SVID3-style scalb()
# SVID3 defined the scalb() function as double
# scalb(double, double) rather than double
# scalb(double, int) which is used by IBM, DEC, and
# probably others. Enabling this option chooses
# the (double, double) version. Note there is a
# function double scalbn(double, int) which is
# unaffected by this choice.
#
cdl_option CYGFUN_LIBM_SVID3_scalb {
    # Flavor: bool
    # No user value, uncomment the following line to provide one.
    # user_value 1
    # value_source default
    # Default value: 1
};

# Reduce namespace pollution
# If you do not want to use either the X/Open or
# SVID3 compatibility modes, you may want to define
# this option to reduce the chance of namespace
# pollution. This is particularly likely to occur
# here as these standards define symbols with
# names that often appear in applications, such as
# exception, DOMAIN, OVERFLOW, etc. If your
# application also used these names, it may cause
# problems.
#
cdl_option CYGSYM_LIBM_NO_XOPEN_SVID_NAMESPACE_POLLUTION {
    # Flavor: bool
    # No user value, uncomment the following line to provide one.
    # user_value 0
    # value_source default
    # Default value: 0
};

# Output to stderr for math errors
# The SVID3 standard says that error
# messages should be output on the stderr console
# output stream. This option allows this ability
# to be explicitly controlled. However, this still
# only has an effect in SVID3 compatibility mode.
#
cdl_option CYGSEM_LIBM_USE_STDERR {
    # Flavor: bool
    # No user value, uncomment the following line to provide one.
    # user_value 0
    # value_source default
    # Default value: 0
    # Requires: !CYGSEM_LIBM_COMPAT_IEEE_ONLY
    #     CYGSEM_LIBM_COMPAT_IEEE_ONLY == 0
    #   --> 1
    # Requires: CYGPKG_LIBC_STDIO
    #     CYGPKG_LIBC_STDIO == current
    #   --> 1
};

# <
# Thread safety
# This option controls whether the C library has
# support for thread safe operation in general.
# This requires eCos kernel support for per-thread
# data, and adjustment of the stack limit.
#
cdl_component CYGPKG_LIBM_THREAD_SAFETY {
    # There is no associated value.
};

# >
# Compatibility mode setting
# This option makes the setting of the compatiblity
# mode be a per-thread property. This directly
# implies that it also becomes thread-safe.
#
cdl_option CYGSEM_LIBM_THREAD_SAFE_COMPAT_MODE {
    # Flavor: bool
    # No user value, uncomment the following line to provide one.
    # user_value 0
    # value_source default
    # Default value: 0
    # Requires: !CYGSEM_LIBM_COMPAT_IEEE_ONLY
    #     CYGSEM_LIBM_COMPAT_IEEE_ONLY == 0
    #   --> 1
    # Requires: CYGVAR_KERNEL_THREADS_DATA
    #     CYGVAR_KERNEL_THREADS_DATA == 1
    #   --> 1

    # The following properties are affected by this value
    # option CYGNUM_LIBM_COMPATMODE_TRACE_LEVEL
    #     Requires: CYGSEM_LIBM_THREAD_SAFE_COMPAT_MODE
};

# gamma() and lgamma()
# This option makes the gamma() and lgamma()
# functions be thread-safe. Note that these
# functions are identical - they take the log of
# the absolute value of their argument. The sign
# of the argument is stored in a variable called
# signgam. Enabling this option makes signgam
# a per-thread variable. Note there are also
# gamma_r() and lgamma_r() alternatives that
# allow signgam to be passed in by reference as
# an argument.
#
cdl_option CYGSEM_LIBM_THREAD_SAFE_GAMMA_FUNCTIONS {
    # Flavor: bool
    # No user value, uncomment the following line to provide one.
    # user_value 0
    # value_source default
    # Default value: 0
    # Requires: CYGVAR_KERNEL_THREADS_DATA
    #     CYGVAR_KERNEL_THREADS_DATA == 1
    #   --> 1

    # The following properties are affected by this value
    # option CYGNUM_LIBM_SIGNGAM_TRACE_LEVEL
    #     Requires: CYGSEM_LIBM_THREAD_SAFE_GAMMA_FUNCTIONS
};

# <
# Tracing output levels in math library
# Tracing support is useful for debugging. Some
# Math library modules can be configured with
# different levels of tracing verbosity. These
# levels can be configured here.
#
cdl_component CYGPKG_LIBM_TRACE {
    # Flavor: bool
    # No user value, uncomment the following line to provide one.
    # user_value 0
    # value_source default
    # Default value: 0
    # Requires: CYGDBG_USE_TRACING
    #     CYGDBG_USE_TRACING == 0
    #   --> 0
};

# >
# Compatibility mode get/set
# Trace level for debugging the getting and
# setting of the compatibility mode when it is
# configured to be thread-safe.
#
cdl_option CYGNUM_LIBM_COMPATMODE_TRACE_LEVEL {
    # This option is not active
    # The parent CYGPKG_LIBM_TRACE is disabled

    # Flavor: data
    # No user value, uncomment the following line to provide one.
    # user_value 0
    # value_source default
    # Default value: 0
    # Legal values: 0 to 1
    # Requires: CYGSEM_LIBM_THREAD_SAFE_COMPAT_MODE
    #     CYGSEM_LIBM_THREAD_SAFE_COMPAT_MODE == 0
    #   --> 0
};

# signgam variable access
# Trace level for debugging all accesses to the
# signgam variable in thread-safe mode.
#
cdl_option CYGNUM_LIBM_SIGNGAM_TRACE_LEVEL {
    # This option is not active
    # The parent CYGPKG_LIBM_TRACE is disabled

    # Flavor: data
    # No user value, uncomment the following line to provide one.
    # user_value 0
    # value_source default
    # Default value: 0
    # Legal values: 0 to 1
    # Requires: CYGSEM_LIBM_THREAD_SAFE_GAMMA_FUNCTIONS
    #     CYGSEM_LIBM_THREAD_SAFE_GAMMA_FUNCTIONS == 0
    #   --> 0
};

# <
# Bessel function limit of significance
# For the Bessel functions (j0(), j1(), jn(),
# y0(), y1(), yn()) this option defines the
# maximum absolute value of the ordinate
# before we assume total loss of significance.
# This number must be a floating-point number (e.g.
# contains a decimal point), and should be
# large.
#
cdl_option X_TLOSS {
    # Flavor: data
    # No user value, uncomment the following line to provide one.
    # user_value 1.41484755040569E+16
    # value_source default
    # Default value: 1.41484755040569E+16
    # Legal values: 1 to 1e308
};

# Math library build options
# Package specific build options including control over
# compiler flags used only in building this package,
# and details of which tests are built.
#
cdl_component CYGPKG_LIBM_OPTIONS {
    # There is no associated value.
};

# >
# Additional compiler flags
# This option modifies the set of compiler flags for
# building the math library. These flags are used in addition
# to the set of global flags.
#
cdl_option CYGPKG_LIBM_CFLAGS_ADD {
    # Flavor: data
    # No user value, uncomment the following line to provide one.
    # user_value ""
    # value_source default
    # Default value:  ((0 == CYGPKG_HAL_I386) && (0 == CYGPKG_HAL_SYNTH_I386)) ? "" : "-ffloat-store" 
    #     CYGPKG_HAL_I386 (unknown) == 0
    #     CYGPKG_HAL_SYNTH_I386 (unknown) == 0
    #   --> ""
};

# Suppressed compiler flags
# This option modifies the set of compiler flags for
# building the math library. These flags are removed from
# the set of global flags if present.
#
cdl_option CYGPKG_LIBM_CFLAGS_REMOVE {
    # Flavor: data
    # No user value, uncomment the following line to provide one.
    # user_value ""
    # value_source default
    # Default value: ""
};

# Math library tests
# This option specifies the set of tests for the math library.
#
cdl_option CYGPKG_LIBM_TESTS {
    # Calculated value:  "tests/vectors/acos tests/vectors/asin tests/vectors/atan tests/vectors/atan2 tests/vectors/ceil tests/vectors/cos tests/vectors/cosh tests/vectors/exp tests/vectors/fabs tests/vectors/floor tests/vectors/fmod tests/vectors/frexp tests/vectors/ldexp tests/vectors/log tests/vectors/log10 tests/vectors/modf tests/vectors/pow tests/vectors/sin tests/vectors/sinh tests/vectors/sqrt tests/vectors/tan tests/vectors/tanh" 
    # Flavor: data
    # Current_value: tests/vectors/acos tests/vectors/asin tests/vectors/atan tests/vectors/atan2 tests/vectors/ceil tests/vectors/cos tests/vectors/cosh tests/vectors/exp tests/vectors/fabs tests/vectors/floor tests/vectors/fmod tests/vectors/frexp tests/vectors/ldexp tests/vectors/log tests/vectors/log10 tests/vectors/modf tests/vectors/pow tests/vectors/sin tests/vectors/sinh tests/vectors/sqrt tests/vectors/tan tests/vectors/tanh
};

# <
# <
# SPI support
# The generic SPI package provides an API for accessing devices
# attached to an SPI bus. It also provides support for writing
# bus drivers and for defining SPI device structures.
#
cdl_package CYGPKG_IO_SPI {
    # Packages cannot be added or removed, nor can their version be changed,
    # simply by editing their value. Instead the appropriate configuration
    # should be used to perform these actions.

    # This value cannot be modified here.
    # Flavor: booldata
    # Current value: 1 current
    # Requires: CYGPKG_INFRA CYGPKG_HAL
    #     CYGPKG_INFRA == current
    #     CYGPKG_HAL == current
    #   --> 1

    # The following properties are affected by this value
    # package CYGPKG_DEVS_SPI_COLDFIRE_MCF5484
    #     ActiveIf: CYGPKG_IO_SPI
    # package CYGPKG_DEVS_EEPROM_AT25
    #     ActiveIf: CYGPKG_IO_SPI
};

# >
# SPI build options
# Package specific build options including control over
# compiler flags used only in building this package,
# and details of which tests are built.
#
cdl_component CYGPKG_IO_SPI_OPTIONS {
    # There is no associated value.
};

# >
# Additional compiler flags
# This option modifies the set of compiler flags for
# building the serial device drivers. These flags are used in addition
# to the set of global flags.
#
cdl_option CYGPKG_IO_SPI_CFLAGS_ADD {
    # Flavor: data
    # No user value, uncomment the following line to provide one.
    # user_value ""
    # value_source default
    # Default value: ""
};

# Suppressed compiler flags
# This option modifies the set of compiler flags for
# building the serial device drivers. These flags are removed from
# the set of global flags if present.
#
cdl_option CYGPKG_IO_SPI_CFLAGS_REMOVE {
    # Flavor: data
    # No user value, uncomment the following line to provide one.
    # user_value ""
    # value_source default
    # Default value: ""
};

# <
# Coldfire MCF5484 SPI driver
#
cdl_package CYGPKG_DEVS_SPI_COLDFIRE_MCF5484 {
    # Packages cannot be added or removed, nor can their version be changed,
    # simply by editing their value. Instead the appropriate configuration
    # should be used to perform these actions.

    # ActiveIf constraint: CYGPKG_IO_SPI
    #     CYGPKG_IO_SPI == current
    #   --> 1

    # This value cannot be modified here.
    # Flavor: booldata
    # Current value: 1 current
    # Requires: CYGPKG_HAL_COLDFIRE_MCF5484
    #     CYGPKG_HAL_COLDFIRE_MCF5484 == current
    #   --> 1

    # The following properties are affected by this value
    # package CYGPKG_DEVS_EEPROM_AT25
    #     ActiveIf: CYGPKG_DEVS_SPI_COLDFIRE_MCF5484
};

# >
# MCF5484 spi controller work in slave mode
# 0: master mode, 1: slave mode. Only when MCF5484 work as a SPI device, this option is selected.
#
cdl_component CYGPKG_DEV_MCF5484_SPI_SLAVE_MODE {
    # Flavor: bool
    # No user value, uncomment the following line to provide one.
    # user_value 0
    # value_source default
    # Default value: 0

    # The following properties are affected by this value
    # package CYGPKG_DEVS_EEPROM_AT25
    #     ActiveIf: (CYGPKG_DEV_MCF5484_SPI_SLAVE_MODE == 0 && CYGPKG_IO_EEPROM_DEVICES == 1)
};

# Coldfire MCF5484 SPI driver build options
# Package specific build options including control over