Thomas SOETE / SimpleLib

Simple mbed library with macros

Dependents:   SimpleTimer SimpleUART SimpleTimer Stoppuhr1

mbed_globals.h@5:b3aa0a49e21f, 2010-11-13 (annotated)

Committer:
Alkorin
Date:
Sat Nov 13 11:20:42 2010 +0000
Revision:
5:b3aa0a49e21f
Parent:
4:afddc4848b6c
Child:
6:9e1310782abf
Almost working UART

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Alkorin 5:b3aa0a49e21f 1 #ifndef __MBED_GLOBALS_H__
Alkorin 5:b3aa0a49e21f 2 #define __MBED_GLOBALS_H__
Alkorin 5:b3aa0a49e21f 3
Alkorin 5:b3aa0a49e21f 4 #include <LPC17xx.h>
Alkorin 5:b3aa0a49e21f 5
Alkorin 5:b3aa0a49e21f 6 /* GLOBALS MACRO */
Alkorin 5:b3aa0a49e21f 7 #define GET_REGISTER8(reg) *(volatile uint8_t *)(reg)
Alkorin 5:b3aa0a49e21f 8 #define GET_REGISTER16(reg) *(volatile uint16_t *)(reg)
Alkorin 5:b3aa0a49e21f 9 #define GET_REGISTER32(reg) *(volatile uint32_t *)(reg)
Alkorin 5:b3aa0a49e21f 10
Alkorin 5:b3aa0a49e21f 11 #define SET_REGISTER8(reg, val) *(uint8_t *)(reg)=(val)
Alkorin 5:b3aa0a49e21f 12 #define SET_REGISTER16(reg, val) *(uint16_t *)(reg)=(val)
Alkorin 5:b3aa0a49e21f 13 #define SET_REGISTER32(reg, val) *(uint32_t *)(reg)=(val)
Alkorin 5:b3aa0a49e21f 14
Alkorin 5:b3aa0a49e21f 15 // See 34.3.2.5 p740
Alkorin 5:b3aa0a49e21f 16 #define BIT_BANDING_ADDRESS(reg, bit) (((reg) & 0xF0000000) | (0x02000000) | (((reg) & 0x000FFFFF) << 5) | ((bit) << 2))
Alkorin 5:b3aa0a49e21f 17 #define GET_BIT_VALUE(reg, bit) GET_REGISTER32(BIT_BANDING_ADDRESS(((uint32_t)&reg), bit))
Alkorin 5:b3aa0a49e21f 18 #define SET_BIT_VALUE(reg, bit, value) SET_REGISTER32(BIT_BANDING_ADDRESS(((uint32_t)&reg), bit), (value))
Alkorin 5:b3aa0a49e21f 19
Alkorin 5:b3aa0a49e21f 20 // Macro tools
Alkorin 5:b3aa0a49e21f 21 #define TOKENPASTE(x, y) x ## y
Alkorin 5:b3aa0a49e21f 22 #define TOKENPASTE2(x, y) TOKENPASTE(x, y)
Alkorin 5:b3aa0a49e21f 23 #define TOKENPASTE3(x, y, z) TOKENPASTE(TOKENPASTE(x, y), z)
Alkorin 5:b3aa0a49e21f 24
Alkorin 0:aa3c3d1a5918 25 #endif