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cc254x_types.h
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cc254x_types.h
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/*! \file cc2511_types.h
* This file provides the definitions of useful data types.
*/
#ifndef _TYPES_H
#define _TYPES_H
/** An unsigned 8-bit integer. The range of this data type is 0 to 255. **/
typedef unsigned char uint8;
/** A signed 8-bit integer. The range of this data type is -128 to 127. **/
typedef signed char int8;
/** An unsigned 16-bit integer. The range of this data type is 0 to 65,535. **/
typedef unsigned short uint16;
/** A signed 16-bit integer. The range of this data type is -32,768 to 32,767. **/
typedef signed short int16;
/** An unsigned 32-bit integer. The range of this data type is 0 to 4,294,967,295. **/
typedef unsigned long uint32;
/** A signed 32-bit integer. The range of this data type is -2,147,483,648 to 2,147,483,647. **/
typedef signed long int32;
#ifdef SDCC
/** A 1-bit value that is stored in the processor's bit-addressable memory region.
* The CC2511 has 16 bytes of user-defined bit-addressable memory, so you can have at
* most 128 BIT variables per program.
*/
typedef __bit BIT;
/** Specifies that the variable is stored in code space (flash memory).
* This is a good choice for variables and data structures that never need to be
* changed.
* See the <a href="http://sdcc.sourceforge.net/doc/sdccman.html/node59.html">SDCC docs</a> for more information.
*/
#define CODE __code
/** Specifies that the variable is stored in the Fast Access Ram section of the chip,
* also known as "Internal Ram".
* This is a good choice for small variables that need to be accessed in many places.
* Reading and writing DATA variables is faster than reading and writing XDATA variables.
* There are only 256 bytes of Fast Access Ram, so use this qualifier sparingly.
*
* Besides being faster, another advantage of DATA over XDATA is the ability to do atomic
* operations. The 8051 instruction set supports several instructions
* (INC, DEC, ORL, ANL, XRL) that let you read, modify, and write a single byte of internal
* RAM with one instruction.
*/
#define DATA __data
/** Specifies that the variable is stored in the paged data area (the first 256 bytes
* of XDATA). This is the default memory space for variables. Accessing PDATA variables
* takes less code space than accessing XDATA variables.
*/
#define PDATA __pdata
/** Specifies that the variable is stored in the Slow Access Ram section of the chip,
* also known as "External Ram".
* This is a good choice for large buffers or variables that don't need to be accessed
* quickly. The CC2511 has 3840 bytes of Slow Access Ram.
*/
#define XDATA __xdata
#define CODE_TO_XDATA(addr) ((uint8 XDATA *)addr + 0x8000)
#elif defined(__CDT_PARSER__)
// Avoid syntax and semantic errors in eclipse.
#define CODE
#define XDATA
#define DATA
#define PDATA
typedef unsigned char BIT;
#define ISR(source, bank) void ISR_##source()
#define __reentrant
#else
#error "Unknown compiler."
#endif
#endif