lpc_syscontrol.h

给大家提供一个在inram/exram中调试的示例,在周公的lpc2200上调试过.

#ifndef __LPC_SYSCONTROL_H
#define __LPC_SYSCONTROL_H

/***********************************************************************
 *         BU MMS China, Philips Semiconductor Software Support
 *         Embest info&Tech Co. Software Support
 *---------------------------------------------------------------------------
 * The software is delivered "AS IS" without warranty or condition of any
 * kind, either express, implied or statutory.  Everybody can use it as 
 * it is opened and without copyright. We will not take any law responsibility
 * for any problem produced by using this software.
 *---------------------------------------------------------------------------
 *    File name: 	LPC_SysControl.h                                                          
 *    Description: 	Define system control block structure and relative micro
 *                                                                                      
 *    History:                                                                     
 *    1. Date:		Aug 17, 2004                                              
 *       Author: 	Shawn Zhang                                                    
 *       Description: Create  
 *
 *	$Revision: 1.0 $
 **********************************************************************/

#include "LPC_Base.h"
#include "LPC_Type.h"

#define IRQ_FLAG      0x80

/* Fosc range: 10MHz ~ 25MHz */
#define Fosc_MIN     10000000L
#define Fosc_MAX     25000000L

/* Fcclk range: 10MHz ~ MCU allowed frequency */
#define Fcclk_MIN	10000000L
#define Fcclk_MAX	60000000L	// 2119/2129/2292/2294: 60MHz

/* Fcco range: 156MHz ~ 320MHz */
#define Fcco_MIN    156000000L
#define Fcco_MAX    320000000L

#define PLLFEED_DATA1    0xAA
#define PLLFEED_DATA2    0x55

/* PLL PLLCON register bit descriptions */
#define PLLCON_ENABLE_BIT         0
#define PLLCON_CONNECT_BIT       1

/* PLL PLLSTAT register bit descriptions */
#define PLLSTAT_ENABLE_BIT         8
#define PLLSTAT_CONNECT_BIT       9
#define PLLSTAT_LOCK_BIT         10

/* PM Peripheral Type */
#define PC_TIMER0	0x2
#define PC_TIMER1	0x4
#define PC_UART0	0x8
#define PC_UART1	0x10
#define PC_PWM0		0x20
#define PC_I2C		0x80
#define PC_SPI0		0x100
#define PC_RTC		0x200
#define PC_SPI1		0x400
#define PC_EMC		0x800
#define PC_AD		0x1000
#define PC_CAN0		0x2000
#define PC_CAN1		0x4000
#define PC_CAN2		0x8000
#define PC_CAN3		0x10000

/* GPIO port */
#define P0	0x1
#define P1	0x2
#define P2	0x4
#define P3	0x8
#define P4	0x10
#define P5	0x20
#define P6	0x40
#define P7	0x80
#define P8	0x100
#define P9	0x200
#define P10	0x400
#define P11	0x800
#define P12	0x1000
#define P13	0x2000
#define P14	0x4000
#define P15	0x8000
#define P16	0x10000
#define P17	0x20000
#define P18	0x40000
#define P19	0x80000
#define P20	0x100000
#define P21	0x200000
#define P22	0x400000
#define P23	0x800000
#define P24	0x1000000
#define P25	0x2000000
#define P27	0x8000000
#define P28	0x10000000
#define P29	0x20000000
#define P30	0x40000000
#define P31	0x80000000

/* SWI Number */
#define SWI_DISINT		0
#define SWI_RESTORE		1

/* Memory Mapping Control Mode */
typedef enum {
    BOOT_LOADER = 0,	
    USE_FLASH,
    USE_RAM,
    USE_EXTMEM
} LPC_RemapMode_t;

/* Memory Accelerator Module Operating Mode */
typedef enum {
    VPBDIV4 = 0,		// Pclk = 1/4 Pcclk
    VPBDIV1,			// Pclk = Pcclk
    VPBDIV2			// Pclk = 1/2 Pcclk
} LPC_VPBDiv_t;

/* Memory Accelerator Module Operating Mode */
typedef enum {
    MAM_PARTIALLY = 1,	
    MAM_FULL
} LPC_MAMMode_t;

/* Power Manager Mode */
typedef enum {
    PM_STANDARD = 0,
    PM_IDLE,	
    PM_POWERDOWN
} LPC_PMMode_t;

/* External interrupt trigger type */
typedef enum {
    LEVEL_LOW = 0,	
    LEVEL_HIGH,
    EDGE_RISING,
    EDGE_FALLING
} LPC_EXTINTTriggerType_t;

/* Ext-Int Device number */
typedef enum {
  EXTINT0 = 0,
  EXTINT1,
  EXTINT2,
  EXTINT3
} LPC_EXTINT_Channel_t;

/* MAM fetch cycles
    SysClock<20MHz:  No MAM
    20MHz<SysClock<40MHz: suggest 2 cycle
    40MHz<SysClock: suggest 3 cycle */
typedef enum {
	MAMDisable,
	MAMAuto,
	MAMManual
} LPC_MAMSetting_t;

typedef enum {
    MAMCycle1 = 1,	
    MAMCycle2,
    MAMCycle3,
    MAMCycle4,
    MAMCycle5,
    MAMCycle6,
    MAMCycle7
} LPC_MAMCycle_t;

// When choosing 'MAMManual', this value is valid, otherwise set NULL.
typedef struct {
	LPC_MAMMode_t Mode;
	LPC_MAMCycle_t Cycle;
} LPC_MAMConfig_t;

typedef struct {
	unsigned long Fosc;		// Crystal Oscillator Frequency
	unsigned long Fcclk;		// PLL output frequency (also processor clock frequency)
	unsigned long Fpclk;		// Peripheral frequency

	LPC_RemapMode_t RemapMode;
	LPC_VPBDiv_t VPBDivider;

	LPC_MAMSetting_t MAMSetting;
	LPC_MAMConfig_t MAMConfig;
} LPC_SysControl_Config_t;

/* GPIO Device number */
typedef enum {
  GPIO0 = 0,
  GPIO1,
  GPIO2,
  GPIO3
} LPC_GPIO_Channel_t;

/* GPIO Direction Mode */
typedef enum {
    INPUT = 0,	
    OUTPUT
} LPC_GPIO_DirectionMode_t;

/* Declare API functions */
int SYS_Init (unsigned long Fosc, unsigned long Fcclk, 
					LPC_VPBDiv_t VPBDivider, 
					LPC_RemapMode_t RemapMode,
					LPC_MAMSetting_t MAMSetting, 
					LPC_MAMConfig_t *pMAMConfig);
lpc_uint32 SYS_GetFpclk (void);
lpc_uint32 SYS_GetFcclk (void);

void PM_SetMode (LPC_PMMode_t Mode);
void PM_OpenPeripheral (lpc_uint32 DevType);
void PM_ClosePeripheral (lpc_uint32 DevType);

void EXTINT_SetTriggerType (LPC_EXTINT_Channel_t ExtIntNum, LPC_EXTINTTriggerType_t TriggerType);
void EXTINT_ClearInt (LPC_EXTINT_Channel_t ExtIntNum);
void EXTINT_Enable (LPC_EXTINT_Channel_t ExtIntNum);
void EXTINT_Disable (LPC_EXTINT_Channel_t ExtIntNum);
void EXTINT_EnableWakeup (LPC_EXTINT_Channel_t ExtIntNum);
void EXTINT_DisableWakeup (LPC_EXTINT_Channel_t ExtIntNum);

int GPIO_SetDirectionMode (LPC_GPIO_Channel_t DevNum, unsigned long PortNum, 
	LPC_GPIO_DirectionMode_t DirectionMode);
int GPIO_TurnOn (LPC_GPIO_Channel_t DevNum, unsigned long PortNum);
int GPIO_TurnOff (LPC_GPIO_Channel_t DevNum, unsigned long PortNum);
bool GPIO_CheckOn (LPC_GPIO_Channel_t DevNum, unsigned long PortNum);

 /*************************************************************************
 * Function Name: disable_IRQ
 * Parameters: 
 * Return: 		unsigned long 
 * Description: 	Disable IRQ and return previous state of flag I
 *  
 *************************************************************************/
extern unsigned long  disable_IRQ(void);
 
 /*************************************************************************
 * Function Name: 	restore_IRQ
 * Parameters: 	unsigned long IFlag
 * Return: 		void 
 * Description: 	Restore I flag state
 *  
 *************************************************************************/
extern void restore_IRQ(unsigned long IFlag);

 #endif //__LPC_SYSCONTROL_H