/********************************************************************
*
* Standard register and bit definitions for the Texas Instruments
* MSP430 microcontroller.
*
* This file supports assembler and C development for
* MSP430xE42x devices.
*
* Texas Instruments, Version 1.0
*
* Rev. 1.1, -
*
* 
********************************************************************/

#ifndef __msp430xE42x
#define __msp430xE42x


/************************************************************
* STANDARD BITS
************************************************************/

#define BIT0                (0x0001)
#define BIT1                (0x0002)
#define BIT2                (0x0004)
#define BIT3                (0x0008)
#define BIT4                (0x0010)
#define BIT5                (0x0020)
#define BIT6                (0x0040)
#define BIT7                (0x0080)
#define BIT8                (0x0100)
#define BIT9                (0x0200)
#define BITA                (0x0400)
#define BITB                (0x0800)
#define BITC                (0x1000)
#define BITD                (0x2000)
#define BITE                (0x4000)
#define BITF                (0x8000)

/************************************************************
* STATUS REGISTER BITS
************************************************************/

#define C                   (0x0001)
#define Z                   (0x0002)
#define N                   (0x0004)
#define V                   (0x0100)
#define GIE                 (0x0008)
#define CPUOFF              (0x0010)
#define OSCOFF              (0x0020)
#define SCG0                (0x0040)
#define SCG1                (0x0080)

/* Low Power Modes coded with Bits 4-7 in SR */

#ifndef __IAR_SYSTEMS_ICC /* Begin #defines for assembler */
#define LPM0                (CPUOFF)
#define LPM1                (SCG0+CPUOFF)
#define LPM2                (SCG1+CPUOFF)
#define LPM3                (SCG1+SCG0+CPUOFF)
#define LPM4                (SCG1+SCG0+OSCOFF+CPUOFF)
/* End #defines for assembler */

#else /* Begin #defines for C */
#define LPM0_bits           (CPUOFF)
#define LPM1_bits           (SCG0+CPUOFF)
#define LPM2_bits           (SCG1+CPUOFF)
#define LPM3_bits           (SCG1+SCG0+CPUOFF)
#define LPM4_bits           (SCG1+SCG0+OSCOFF+CPUOFF)

#include <In430.h>

#define LPM0      _BIS_SR(LPM0_bits)     /* Enter Low Power Mode 0 */
#define LPM0_EXIT _BIC_SR_IRQ(LPM0_bits) /* Exit Low Power Mode 0 */
#define LPM1      _BIS_SR(LPM1_bits)     /* Enter Low Power Mode 1 */
#define LPM1_EXIT _BIC_SR_IRQ(LPM1_bits) /* Exit Low Power Mode 1 */
#define LPM2      _BIS_SR(LPM2_bits)     /* Enter Low Power Mode 2 */
#define LPM2_EXIT _BIC_SR_IRQ(LPM2_bits) /* Exit Low Power Mode 2 */
#define LPM3      _BIS_SR(LPM3_bits)     /* Enter Low Power Mode 3 */
#define LPM3_EXIT _BIC_SR_IRQ(LPM3_bits) /* Exit Low Power Mode 3 */
#define LPM4      _BIS_SR(LPM4_bits)     /* Enter Low Power Mode 4 */
#define LPM4_EXIT _BIC_SR_IRQ(LPM4_bits) /* Exit Low Power Mode 4 */
#endif /* End #defines for C */

/************************************************************
* PERIPHERAL FILE MAP
************************************************************/

/************************************************************
* SPECIAL FUNCTION REGISTER ADDRESSES + CONTROL BITS
************************************************************/

#define IE1_                (0x0000)  /* Interrupt Enable 1 */
sfrb    IE1               = IE1_;
#define U0IE                IE1       /* UART0 Interrupt Enable Register */
#define WDTIE               (0x01)
#define OFIE                (0x02)
#define NMIIE               (0x10)
#define ACCVIE              (0x20)
#define URXIE0              (0x40)
#define UTXIE0              (0x80)

#define IFG1_               (0x0002)  /* Interrupt Flag 1 */
sfrb    IFG1              = IFG1_;
#define U0IFG               IFG1      /* UART0 Interrupt Flag Register */
#define WDTIFG              (0x01)
#define OFIFG               (0x02)
#define NMIIFG              (0x10)
#define URXIFG0             (0x40)
#define UTXIFG0             (0x80)

#define ME1_                (0x0004)  /* Module Enable 1 */
sfrb    ME1               = ME1_;
#define U0ME                ME1       /* UART0 Module Enable Register */
#define URXE0               (0x40)
#define USPIE0              (0x40)
#define UTXE0               (0x80)

#define IE2_                (0x0001)  /* Interrupt Enable 2 */
sfrb    IE2               = IE2_;
#define BTIE                (0x80)

#define IFG2_               (0x0003)  /* Interrupt Flag 2 */
sfrb    IFG2              = IFG2_;
#define BTIFG               (0x80)

/************************************************************
* WATCHDOG TIMER
************************************************************/

#define WDTCTL_             (0x0120)  /* Watchdog Timer Control */
sfrw    WDTCTL            = WDTCTL_;
/* The bit names have been prefixed with "WDT" */
#define WDTIS0              (0x0001)
#define WDTIS1              (0x0002)
#define WDTSSEL             (0x0004)
#define WDTCNTCL            (0x0008)
#define WDTTMSEL            (0x0010)
#define WDTNMI              (0x0020)
#define WDTNMIES            (0x0040)
#define WDTHOLD             (0x0080)

#define WDTPW               (0x5A00)

/* WDT-interval times [1ms] coded with Bits 0-2 */
/* WDT is clocked by fMCLK (assumed 1MHz) */
#define WDT_MDLY_32         (WDTPW+WDTTMSEL+WDTCNTCL)                         /* 32ms interval (default) */
#define WDT_MDLY_8          (WDTPW+WDTTMSEL+WDTCNTCL+WDTIS0)                  /* 8ms     " */
#define WDT_MDLY_0_5        (WDTPW+WDTTMSEL+WDTCNTCL+WDTIS1)                  /* 0.5ms   " */
#define WDT_MDLY_0_064      (WDTPW+WDTTMSEL+WDTCNTCL+WDTIS1+WDTIS0)           /* 0.064ms " */
/* WDT is clocked by fACLK (assumed 32KHz) */
#define WDT_ADLY_1000       (WDTPW+WDTTMSEL+WDTCNTCL+WDTSSEL)                 /* 1000ms  " */
#define WDT_ADLY_250        (WDTPW+WDTTMSEL+WDTCNTCL+WDTSSEL+WDTIS0)          /* 250ms   " */
#define WDT_ADLY_16         (WDTPW+WDTTMSEL+WDTCNTCL+WDTSSEL+WDTIS1)          /* 16ms    " */
#define WDT_ADLY_1_9        (WDTPW+WDTTMSEL+WDTCNTCL+WDTSSEL+WDTIS1+WDTIS0)   /* 1.9ms   " */
/* Watchdog mode -> reset after expired time */
/* WDT is clocked by fMCLK (assumed 1MHz) */
#define WDT_MRST_32         (WDTPW+WDTCNTCL)                                  /* 32ms interval (default) */
#define WDT_MRST_8          (WDTPW+WDTCNTCL+WDTIS0)                           /* 8ms     " */
#define WDT_MRST_0_5        (WDTPW+WDTCNTCL+WDTIS1)                           /* 0.5ms   " */
#define WDT_MRST_0_064      (WDTPW+WDTCNTCL+WDTIS1+WDTIS0)                    /* 0.064ms " */
/* WDT is clocked by fACLK (assumed 32KHz) */
#define WDT_ARST_1000       (WDTPW+WDTCNTCL+WDTSSEL)                          /* 1000ms  " */
#define WDT_ARST_250        (WDTPW+WDTCNTCL+WDTSSEL+WDTIS0)                   /* 250ms   " */
#define WDT_ARST_16         (WDTPW+WDTCNTCL+WDTSSEL+WDTIS1)                   /* 16ms    " */
#define WDT_ARST_1_9        (WDTPW+WDTCNTCL+WDTSSEL+WDTIS1+WDTIS0)            /* 1.9ms   " */

/* INTERRUPT CONTROL */
/* These two bits are defined in the Special Function Registers */
/* #define WDTIE               0x01 */
/* #define WDTIFG              0x01 */

/************************************************************
* DIGITAL I/O Port1/2
************************************************************/

#define P1IN_               (0x0020)  /* Port 1 Input */
const sfrb P1IN           = P1IN_;
#define P1OUT_              (0x0021)  /* Port 1 Output */
sfrb    P1OUT             = P1OUT_;
#define P1DIR_              (0x0022)  /* Port 1 Direction */
sfrb    P1DIR             = P1DIR_;
#define P1IFG_              (0x0023)  /* Port 1 Interrupt Flag */
sfrb    P1IFG             = P1IFG_;
#define P1IES_              (0x0024)  /* Port 1 Interrupt Edge Select */
sfrb    P1IES             = P1IES_;
#define P1IE_               (0x0025)  /* Port 1 Interrupt Enable */
sfrb    P1IE              = P1IE_;
#define P1SEL_              (0x0026)  /* Port 1 Selection */
sfrb    P1SEL             = P1SEL_;

#define P2IN_               (0x0028)  /* Port 2 Input */
const sfrb P2IN           = P2IN_;
#define P2OUT_              (0x0029)  /* Port 2 Output */
sfrb    P2OUT             = P2OUT_;
#define P2DIR_              (0x002A)  /* Port 2 Direction */
sfrb    P2DIR             = P2DIR_;
#define P2IFG_              (0x002B)  /* Port 2 Interrupt Flag */
sfrb    P2IFG             = P2IFG_;
#define P2IES_              (0x002C)  /* Port 2 Interrupt Edge Select */
sfrb    P2IES             = P2IES_;
#define P2IE_               (0x002D)  /* Port 2 Interrupt Enable */
sfrb    P2IE              = P2IE_;
#define P2SEL_              (0x002E)  /* Port 2 Selection */
sfrb    P2SEL             = P2SEL_;

/************************************************************
* BASIC TIMER
************************************************************/

#define BTCTL_              (0x0040)  /* Basic Timer Control */
sfrb    BTCTL             = BTCTL_;
/* The bit names have been prefixed with "BT" */
#define BTIP0               (0x01)
#define BTIP1               (0x02)
#define BTIP2               (0x04)
#define BTFRFQ0             (0x08)
#define BTFRFQ1             (0x10)
#define BTDIV               (0x20)                     /* fCLK2 = ACLK:256 */
#define BTHOLD              (0x40)                     /* BT1 is held if this bit is set */
#define BTSSEL              (0x80)                     /* fBT = fMCLK (main clock) */

#define BTCNT1_             (0x0046)  /* Basic Timer Count 1 */
sfrb    BTCNT1            = BTCNT1_;
#define BTCNT2_             (0x0047)  /* Basic Timer Count 2 */
sfrb    BTCNT2            = BTCNT2_;

/* Frequency of the BTCNT2 coded with Bit 5 and 7 in BTCTL */
#define BT_fCLK2_ACLK               (0x00)
#define BT_fCLK2_ACLK_DIV256        (BTDIV)
#define BT_fCLK2_MCLK               (BTSSEL)

/* Interrupt interval time fINT coded with Bits 0-2 in BTCTL */
#define BT_fCLK2_DIV2       (0x00)                    /* fINT = fCLK2:2 (default) */
#define BT_fCLK2_DIV4       (BTIP0)                   /* fINT = fCLK2:4 */
#define BT_fCLK2_DIV8       (BTIP1)                   /* fINT = fCLK2:8 */
#define BT_fCLK2_DIV16      (BTIP1+BTIP0)             /* fINT = fCLK2:16 */
#define BT_fCLK2_DIV32      (BTIP2)                   /* fINT = fCLK2:32 */
#define BT_fCLK2_DIV64      (BTIP2+BTIP0)             /* fINT = fCLK2:64 */
#define BT_fCLK2_DIV128     (BTIP2+BTIP1)             /* fINT = fCLK2:128 */
#define BT_fCLK2_DIV256     (BTIP2+BTIP1+BTIP0)       /* fINT = fCLK2:256 */
/* Frequency of LCD coded with Bits 3-4 */
#define BT_fLCD_DIV32       (0x00)                    /* fLCD = fACLK:32 (default) */
#define BT_fLCD_DIV64       (BTFRFQ0)                 /* fLCD = fACLK:64 */
#define BT_fLCD_DIV128      (BTFRFQ1)                 /* fLCD = fACLK:128 */
#define BT_fLCD_DIV256      (BTFRFQ1+BTFRFQ0)         /* fLCD = fACLK:256 */
/* LCD frequency values with fBT=fACLK */