Thomas SOETE / SimpleLib

Simple mbed library with macros

Dependents:   SimpleTimer SimpleUART SimpleTimer Stoppuhr1

mbed_globals.h

Committer:
Alkorin
Date:
2010-11-13
Revision:
5:b3aa0a49e21f
Parent:
4:afddc4848b6c
Child:
6:9e1310782abf

File content as of revision 5:b3aa0a49e21f:

#ifndef __MBED_GLOBALS_H__
#define __MBED_GLOBALS_H__

#include <LPC17xx.h>

/* GLOBALS MACRO */
#define GET_REGISTER8(reg)  *(volatile uint8_t *)(reg)
#define GET_REGISTER16(reg) *(volatile uint16_t *)(reg)
#define GET_REGISTER32(reg) *(volatile uint32_t *)(reg)

#define SET_REGISTER8(reg, val)  *(uint8_t *)(reg)=(val)
#define SET_REGISTER16(reg, val) *(uint16_t *)(reg)=(val)
#define SET_REGISTER32(reg, val) *(uint32_t *)(reg)=(val)

// See 34.3.2.5 p740
#define BIT_BANDING_ADDRESS(reg, bit) (((reg) & 0xF0000000) | (0x02000000) | (((reg) & 0x000FFFFF) << 5) | ((bit) << 2))
#define GET_BIT_VALUE(reg, bit) GET_REGISTER32(BIT_BANDING_ADDRESS(((uint32_t)&reg), bit))
#define SET_BIT_VALUE(reg, bit, value) SET_REGISTER32(BIT_BANDING_ADDRESS(((uint32_t)&reg), bit), (value))

// Macro tools
#define TOKENPASTE(x, y) x ## y
#define TOKENPASTE2(x, y) TOKENPASTE(x, y)
#define TOKENPASTE3(x, y, z) TOKENPASTE(TOKENPASTE(x, y), z)

#endif