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...
...
...
#define UX_SOURCE_CODE
#include "ux_api.h"
#include "ux_device_stack.h"
...
...
UINT _ux_device_stack_class_register(UCHAR *class_name,
UINT (*class_entry_function)(struct UX_SLAVE_CLASS_COMMAND_STRUCT *),
ULONG configuration_number,
ULONG interface_number,
VOID *parameter)
{
UX_SLAVE_CLASS *class_inst;
UINT status;
UX_SLAVE_CLASS_COMMAND command;
UINT class_name_length = 0;
#if UX_MAX_SLAVE_CLASS_DRIVER > 1
ULONG class_index;
#endif
status = _ux_utility_string_length_check(class_name, &class_name_length, UX_MAX_CLASS_NAME_LENGTH);
if (status)
return(status);
UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_STACK_CLASS_REGISTER, class_name, interface_number, parameter, 0, UX_TRACE_DEVICE_STACK_EVENTS, 0, 0)
class_inst = _ux_system_slave -> ux_system_slave_class_array;
#if UX_MAX_SLAVE_CLASS_DRIVER > 1
for (class_index = 0; class_index < _ux_system_slave -> ux_system_slave_max_class; class_index++)
{
#endif
if (class_inst -> ux_slave_class_status == UX_UNUSED)
{
#if defined(UX_NAME_REFERENCED_BY_POINTER)
class_inst -> ux_slave_class_name = (const UCHAR *)class_name;
#else
_ux_utility_memory_copy(class_inst -> ux_slave_class_name, class_name, class_name_length + 1); /* ... */
#endif
class_inst -> ux_slave_class_entry_function = class_entry_function;
class_inst -> ux_slave_class_interface_parameter = parameter;
class_inst -> ux_slave_class_configuration_number = configuration_number;
class_inst -> ux_slave_class_interface_number = interface_number;
command.ux_slave_class_command_request = UX_SLAVE_CLASS_COMMAND_INITIALIZE;
command.ux_slave_class_command_parameter = parameter;
command.ux_slave_class_command_class_ptr = class_inst;
status = class_entry_function(&command);
if (status != UX_SUCCESS)
return(status);
class_inst -> ux_slave_class_status = UX_USED;
return(UX_SUCCESS);
}if (class_inst -> ux_slave_class_status == UX_UNUSED) { ... }
#if UX_MAX_SLAVE_CLASS_DRIVER > 1
class_inst ++;
}for (class_index = 0; class_index < _ux_system_slave -> ux_system_slave_max_class; class_index++) { ... }
#endif
return(UX_MEMORY_INSUFFICIENT);
}{ ... }