include/fx2macros.h File Reference

#include "fx2regs.h"
#include "fx2types.h"

Go to the source code of this file.

Defines
#define	MSB(addr)   (BYTE)((addr >> 8) & 0xff)
#define	LSB(addr)   (BYTE)(addr & 0xff)
#define	MAKEWORD(msb, lsb)   (((WORD)msb << 8) | lsb)
#define	MSW(dword)   (WORD)((dword >> 16) & 0xffff)
#define	LSW(dword)   (WORD)(dword & 0xffff)
#define	MAKEDWORD(msw, lsw)   (((DWORD)msw << 16) | lsw)
#define	CPUFREQ   (CLK_SPD)((CPUCS & bmCLKSPD) >> 3)
#define	SETCPUFREQ(SPD)   CPUCS = (CPUCS & ~bmCLKSPD) | (SPD << 3)
#define	XTAL
#define	I2CFREQ   ((I2CTL & bm400KHZ) ? 400000L : 100000L)
#define	IFFREQ   (IFCONFIG & bm3048MHZ ? 48000000L : 30000000L)
#define	SETIF30MHZ()   IFCONFIG &= ~bm3048MHZ
#define	SETIF48MHZ()   IFCONFIG |= bm3048MHZ
#define	EEPROM_TWO_BYTE   (I2CS & bmBIT4)
Enumerations
enum	CLK_SPD { CLK_12M = 0, CLK_24M, CLK_48M }

---

Detailed Description

Macros for simple common tasks in fx2 firmware.

Definition in file fx2macros.h.

---

Define Documentation

#define CPUFREQ   (CLK_SPD)((CPUCS & bmCLKSPD) >> 3)

Definition at line 38 of file fx2macros.h.

#define EEPROM_TWO_BYTE   (I2CS & bmBIT4)

Definition at line 56 of file fx2macros.h.

#define I2CFREQ   ((I2CTL & bm400KHZ) ? 400000L : 100000L)

Definition at line 46 of file fx2macros.h.

#define IFFREQ   (IFCONFIG & bm3048MHZ ? 48000000L : 30000000L)

Definition at line 50 of file fx2macros.h.

#define LSB

(

addr

)

(BYTE)(addr & 0xff)

Definition at line 28 of file fx2macros.h.

#define LSW

(

dword

)

(WORD)(dword & 0xffff)

Definition at line 32 of file fx2macros.h.

#define MAKEDWORD	(	msw,
		lsw		)	(((DWORD)msw << 16) | lsw)

Definition at line 33 of file fx2macros.h.

#define MAKEWORD	(	msb,
		lsb		)	(((WORD)msb << 8) | lsb)

Definition at line 29 of file fx2macros.h.

#define MSB

(

addr

)

(BYTE)((addr >> 8) & 0xff)

Definition at line 27 of file fx2macros.h.

#define MSW

(

dword

)

(WORD)((dword >> 16) & 0xffff)

Definition at line 31 of file fx2macros.h.

#define SETCPUFREQ

(

SPD

)

CPUCS = (CPUCS & ~bmCLKSPD) | (SPD << 3)

Definition at line 39 of file fx2macros.h.

 

#define SETIF30MHZ

(

)

IFCONFIG &= ~bm3048MHZ

Definition at line 51 of file fx2macros.h.

 

#define SETIF48MHZ

(

)

IFCONFIG |= bm3048MHZ

Definition at line 52 of file fx2macros.h.

#define XTAL

Value:

(CPUFREQ==CLK_12M ? 12000000L :\
              CPUFREQ==CLK_24M ? 24000000L : 48000000L)

Definition at line 41 of file fx2macros.h.

---

Enumeration Type Documentation

enum CLK_SPD

Enumerator:

CLK_12M
CLK_24M
CLK_48M

Definition at line 37 of file fx2macros.h.