config.h

FAT16 Filesystem on Philips LPC2000 series processors

/******************************************************************************
 *
 * $RCSfile: $
 * $Revision: $
 *
 * This module provides information about the project configuration
 * Copyright 2004, R O SoftWare
 * No guarantees, warrantees, or promises, implied or otherwise.
 * May be used for hobby or commercial purposes provided copyright
 * notice remains intact.
 *
 *****************************************************************************/
#ifndef INC_CONFIG_H
#define INC_CONFIG_H

#include "types.h"
#include "LPC21xx.h"

// WARNING! do not set this higher than address of last byte of RAM!
// do not use 0x7fff, use the address of 0x40007fff as may vary on
// LPC2000 chip models.
#define	END_OF_THE_RAM_FIELD		0x40007fff

// what hardware is available
#define HAS_CLOCK
#define HAS_MMC

// declare functions and values from crt0.S & the linker control file
extern void _reset_(void);
// extern void exit(void);
extern void _abort_(void);

#define WDOG()

// PLL setup values are computed within the LPC include file
// It relies upon the following defines
#define FOSC                (14745000)  // Master Oscillator Freq.
#define PLL_MUL             (4)         // PLL Multiplier
#define CCLK                (FOSC * PLL_MUL) // CPU Clock Freq.

// Pheripheral Bus Speed Divider
#define PBSD                2           // MUST BE 1, 2, or 4
#define PCLK                (CCLK / PBSD) // Pheripheal Bus Clock Freq.

// Do some value range testing
#if ((FOSC < 10000000) || (FOSC > 25000000))
#error Fosc out of range (10MHz-25MHz)
#error correct and recompile
#endif

#if ((CCLK < 10000000) || (CCLK > 60000000))
#error cclk out of range (10MHz-60MHz)
#error correct PLL_MUL and recompile
#endif

#if ((FCCO < 150000000) || (FCCO > 320000000))
#error Fcco out of range (156MHz-320MHz)
#error internal algorithm error
#endif

#if ((PBSD != 1) && (PBSD != 2) && (PBSD != 4))
#error Pheripheal Bus Speed Divider (PBSD) illegal value (1, 2, or 4)
#endif

// The following are for the Port 0 pins
#ifndef BIT
#define BIT(n)              (1 << (n))
#endif

#define TXD0_BIT				BIT(0)		// used by UART0
#define RXD0_BIT				BIT(1)		// used by UART0
#define P1_SCL0_BIT			BIT(2)		// P0.02 P1 conn.
#define P1_SDA0_BIT			BIT(3)		// P0.03 P1 conn.
#define P1_SCK0_BIT			BIT(4)		// P0.04 P1 conn.
#define P1_MISO0_BIT			BIT(5)		// P0.05 P1 conn.
#define P1_MOSI0_BIT			BIT(6)		// P0.06 P1 conn.
#define P1_SSEL0_BIT			BIT(7)		// P0.07 P1 conn.
#define ISO_TXD_BIT			BIT(8)		// used by UART1
#define ISO_RXD_BIT			BIT(9)		// used by UART1
#define UART1_RTS_BIT		BIT(10)     // P0.10 output - RTS Uart 1.
#define UART1_CTS_BIT		BIT(11)     // P0.11 input - CTS Uart 1.
#define SHUTDOWN_BIT			BIT(12)     // P0.12 output - low disable ISO232.
#define FAULT_BIT				BIT(13)     // P0.13 input - low is ISO232 Fault.
#define P014_UNUSED_BIT		BIT(14)     // P0.14 unused - low output
#define MMC_DETECT_BIT		BIT(15)     // P0.15 input - MMC Card Detect if low.
#define P1_EINT0				BIT(16)     // P0.16 P1 conn.
#define SCK1_BIT				BIT(17)     // P0.17 SSP to MMC card.
#define MISO1_BIT				BIT(18)     // P0.18 MISO from MMC card.
#define MOSI1_BIT				BIT(19)     // P0.19 MOSI to MMC card.
#define P020_UNUSED_BIT		BIT(20)     // P0.20 unused - low output
#define P1_ESEL0_BIT			BIT(21)     // P0.21 P1 conn.
#define MMC_CS_BIT			BIT(22)     // P0.22 output - MMC chip select.
#define P023_UNUSED_BIT		BIT(23)     // P0.23 unused - low output
#define P024_UNUSED_BIT		BIT(24)     // P0.24 not available as a pinout
#define P1_AOUT_BIT			BIT(25)     // P0.25 P1 conn.
#define P1_ANA5_BIT			BIT(26)     // P0.26 P1 conn.
#define ZONE1_BIT				BIT(27)     // P0.27 input - Analog Zone 1
#define ZONE2_BIT				BIT(28)     // P0.28 input - Analog Zone 2
#define ZONE3_BIT				BIT(29)     // P0.29 input - Analog Zone 3
#define ZONE4_BIT				BIT(30)     // P0.30 input - Analog Zone 4
#define P031_UNUSED_BIT		BIT(31)     // P0.31 unused - low output

// The following are for the Port 1 pins
#define P100_UNUSED_BIT		BIT(0)		// P1.00 unused - low output
#define P101_UNUSED_BIT		BIT(1)		// P1.01 unused - low output
#define P102_UNUSED_BIT		BIT(2)		// P1.02 unused - low output
#define P103_UNUSED_BIT		BIT(3)		// P1.03 unused - low output
#define P104_UNUSED_BIT		BIT(4)		// P1.04 unused - low output
#define P105_UNUSED_BIT		BIT(5)		// P1.05 unused - low output
#define P106_UNUSED_BIT		BIT(6)		// P1.06 unused - low output
#define P107_UNUSED_BIT		BIT(7)		// P1.07 unused - low output
#define P108_UNUSED_BIT		BIT(8)		// P1.08 unused - low output
#define P109_UNUSED_BIT		BIT(9)		// P1.09 unused - low output
#define P110_UNUSED_BIT		BIT(10)     // P1.10 unused - low output
#define P111_UNUSED_BIT		BIT(11)     // P1.11 unused - low output
#define P112_UNUSED_BIT		BIT(12)     // P1.12 unused - low output
#define P113_UNUSED_BIT		BIT(13)     // P1.13 unused - low output
#define P114_UNUSED_BIT		BIT(14)     // P1.14 unused - low output
#define P115_UNUSED_BIT		BIT(15)     // P1.15 unused - low output
#define P116_UNUSED_BIT		BIT(16)     // P1.16 unused - low output
#define WAKEUP_COMM_BIT		BIT(17)     // P1.17 output - wakeup Comm CPU.
#define MMC_WENABLE_BIT		BIT(18)     // P1.18 input - High is Write Protected.
#define P119_UNUSED_BIT		BIT(19)     // P1.19 unused - low output
#define LED_EVENT_BIT		BIT(20)     // P1.20 output - low for EVENT LED.
#define LED_MMC_BIT			BIT(21)     // P1.21 output - low for MMC LED.
#define LED_TX5_BIT			BIT(22)     // P1.22 output - low for TX5 LED.
#define LED_RX5_BIT			BIT(23)     // P1.23 output - low for RX5 LED.
#define DDATA_BIT				BIT(24)     // P1.24 Dallas secure memory I/O.
#define RESET_COMM_BIT		BIT(25)     // P1.25 output - RESET Comm CPU.
#define P126_UNUSED_BIT		BIT(26)     // used by JTAG
#define P127_UNUSED_BIT		BIT(27)     // used by JTAG
#define P128_UNUSED_BIT		BIT(28)     // used by JTAG
#define P129_UNUSED_BIT		BIT(29)     // used by JTAG
#define P130_UNUSED_BIT		BIT(30)     // used by JTAG
#define P131_UNUSED_BIT		BIT(31)     // used by JTAG


#define P0IO_INPUT_BITS      (uint32_t) ( \
	FAULT_BIT | \
	MMC_DETECT_BIT | \
	UART1_CTS_BIT | \
	ZONE1_BIT | \
	ZONE2_BIT | \
	ZONE3_BIT | \
	ZONE4_BIT | \
	0 )

#define P0IO_ZERO_BITS       (uint32_t) ( \
                                         0 )

#define P0IO_ONE_BITS        (uint32_t) ( \
	SHUTDOWN_BIT | \
	MMC_CS_BIT | \
	UART1_RTS_BIT | \
	0 )

#define P0IO_OUTPUT_BITS     (uint32_t) ( \
	P0IO_ZERO_BITS | \
	P0IO_ONE_BITS )

#define P1IO_INPUT_BITS      (uint32_t) ( \
	MMC_WENABLE_BIT | \
	DDATA_BIT | \
	0 )

#define P1IO_ZERO_BITS       (uint32_t) ( \
                                         0 )

#define P1IO_ONE_BITS        (uint32_t) ( \
	WAKEUP_COMM_BIT | \
	LED_EVENT_BIT | \
	LED_MMC_BIT	 | \
	LED_TX5_BIT | \
	LED_RX5_BIT | \
	0 )

#define P1IO_OUTPUT_BITS     (uint32_t) ( \
	P1IO_ZERO_BITS | \
	P1IO_ONE_BITS )

#endif