//*****************************************************************************
//
// hw_adc.h - Macros used when accessing the ADC hardware.
//
// Copyright (c) 2005,2006 Luminary Micro, Inc.  All rights reserved.
//
// Software License Agreement
//
// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
// exclusively on LMI's Stellaris Family of microcontroller products.
//
// The software is owned by LMI and/or its suppliers, and is protected under
// applicable copyright laws.  All rights are reserved.  Any use in violation
// of the foregoing restrictions may subject the user to criminal sanctions
// under applicable laws, as well as to civil liability for the breach of the
// terms and conditions of this license.
//
// THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
//
// This is part of revision 816 of the Stellaris Driver Library.
//
//*****************************************************************************

#ifndef __HW_ADC_H__
#define __HW_ADC_H__

//*****************************************************************************
//
// The following define the offsets of the ADC registers.
//
//*****************************************************************************
#define ADC_O_ACTSS             0x00000000  // Active sample register
#define ADC_O_RIS               0x00000004  // Raw interrupt status register
#define ADC_O_IM                0x00000008  // Interrupt mask register
#define ADC_O_ISC               0x0000000C  // Interrupt status/clear register
#define ADC_O_OSTAT             0x00000010  // Overflow status register
#define ADC_O_EMUX              0x00000014  // Event multiplexer select reg.
#define ADC_O_USTAT             0x00000018  // Underflow status register
#define ADC_O_SSPRI             0x00000020  // Channel priority register
#define ADC_O_PSSI              0x00000028  // Processor sample initiate reg.
#define ADC_O_SSMUX0            0x00000040  // Multiplexer select 0 register
#define ADC_O_SSCTL0            0x00000044  // Sample sequence control 0 reg.
#define ADC_O_SSFIFO0           0x00000048  // Result FIFO 0 register
#define ADC_O_SSFSTAT0          0x0000004C  // FIFO 0 status register
#define ADC_O_SSMUX1            0x00000060  // Multiplexer select 1 register
#define ADC_O_SSCTL1            0x00000064  // Sample sequence control 1 reg.
#define ADC_O_SSFIFO1           0x00000068  // Result FIFO 1 register
#define ADC_O_SSFSTAT1          0x0000006C  // FIFO 1 status register
#define ADC_O_SSMUX2            0x00000080  // Multiplexer select 2 register
#define ADC_O_SSCTL2            0x00000084  // Sample sequence control 2 reg.
#define ADC_O_SSFIFO2           0x00000088  // Result FIFO 2 register
#define ADC_O_SSFSTAT2          0x0000008C  // FIFO 2 status register
#define ADC_O_SSMUX3            0x000000A0  // Multiplexer select 3 register
#define ADC_O_SSCTL3            0x000000A4  // Sample sequence control 3 reg.
#define ADC_O_SSFIFO3           0x000000A8  // Result FIFO 3 register
#define ADC_O_SSFSTAT3          0x000000AC  // FIFO 3 status register
#define ADC_O_TMLB              0x00000100  // Test mode loopback register

//*****************************************************************************
//
// The following define the offsets of the ADC sequence registers.
//
//*****************************************************************************
#define ADC_O_SEQ               0x00000040  // Offset to the first sequence
#define ADC_O_SEQ_STEP          0x00000020  // Increment to the next sequence
#define ADC_O_X_SSMUX           0x00000000  // Multiplexer select register
#define ADC_O_X_SSCTL           0x00000004  // Sample sequence control register
#define ADC_O_X_SSFIFO          0x00000008  // Result FIFO register
#define ADC_O_X_SSFSTAT         0x0000000C  // FIFO status register

//*****************************************************************************
//
// The following define the bit fields in the ADC_ACTSS register.
//
//*****************************************************************************
#define ADC_ACTSS_ASEN3         0x00000008  // Sample sequence 3 enable
#define ADC_ACTSS_ASEN2         0x00000004  // Sample sequence 2 enable
#define ADC_ACTSS_ASEN1         0x00000002  // Sample sequence 1 enable
#define ADC_ACTSS_ASEN0         0x00000001  // Sample sequence 0 enable

//*****************************************************************************
//
// The following define the bit fields in the ADC_RIS register.
//
//*****************************************************************************
#define ADC_RIS_INR3            0x00000008  // Sample sequence 3 interrupt
#define ADC_RIS_INR2            0x00000004  // Sample sequence 2 interrupt
#define ADC_RIS_INR1            0x00000002  // Sample sequence 1 interrupt
#define ADC_RIS_INR0            0x00000001  // Sample sequence 0 interrupt

//*****************************************************************************
//
// The following define the bit fields in the ADC_IM register.
//
//*****************************************************************************
#define ADC_IM_MASK3            0x00000008  // Sample sequence 3 mask
#define ADC_IM_MASK2            0x00000004  // Sample sequence 2 mask
#define ADC_IM_MASK1            0x00000002  // Sample sequence 1 mask
#define ADC_IM_MASK0            0x00000001  // Sample sequence 0 mask

//*****************************************************************************
//
// The following define the bit fields in the ADC_ISC register.
//
//*****************************************************************************
#define ADC_ISC_IN3             0x00000008 // Sample sequence 3 interrupt
#define ADC_ISC_IN2             0x00000004 // Sample sequence 2 interrupt
#define ADC_ISC_IN1             0x00000002 // Sample sequence 1 interrupt
#define ADC_ISC_IN0             0x00000001 // Sample sequence 0 interrupt

//*****************************************************************************
//
// The following define the bit fields in the ADC_OSTAT register.
//
//*****************************************************************************
#define ADC_OSTAT_OV3           0x00000008  // Sample sequence 3 overflow
#define ADC_OSTAT_OV2           0x00000004  // Sample sequence 2 overflow
#define ADC_OSTAT_OV1           0x00000002  // Sample sequence 1 overflow
#define ADC_OSTAT_OV0           0x00000001  // Sample sequence 0 overflow

//*****************************************************************************
//
// The following define the bit fields in the ADC_EMUX register.
//
//*****************************************************************************
#define ADC_EMUX_EM3_MASK       0x0000F000  // Event mux 3 mask
#define ADC_EMUX_EM3_PROCESSOR  0x00000000  // Processor event
#define ADC_EMUX_EM3_COMP0      0x00001000  // Analog comparator 0 event
#define ADC_EMUX_EM3_COMP1      0x00002000  // Analog comparator 1 event
#define ADC_EMUX_EM3_COMP2      0x00003000  // Analog comparator 2 event
#define ADC_EMUX_EM3_EXTERNAL   0x00004000  // External event
#define ADC_EMUX_EM3_TIMER      0x00005000  // Timer event
#define ADC_EMUX_EM3_PWM0       0x00006000  // PWM0 event
#define ADC_EMUX_EM3_PWM1       0x00007000  // PWM1 event
#define ADC_EMUX_EM3_PWM2       0x00008000  // PWM2 event
#define ADC_EMUX_EM3_ALWAYS     0x0000F000  // Always event
#define ADC_EMUX_EM2_MASK       0x00000F00  // Event mux 2 mask
#define ADC_EMUX_EM2_PROCESSOR  0x00000000  // Processor event
#define ADC_EMUX_EM2_COMP0      0x00000100  // Analog comparator 0 event
#define ADC_EMUX_EM2_COMP1      0x00000200  // Analog comparator 1 event
#define ADC_EMUX_EM2_COMP2      0x00000300  // Analog comparator 2 event
#define ADC_EMUX_EM2_EXTERNAL   0x00000400  // External event
#define ADC_EMUX_EM2_TIMER      0x00000500  // Timer event
#define ADC_EMUX_EM2_PWM0       0x00000600  // PWM0 event
#define ADC_EMUX_EM2_PWM1       0x00000700  // PWM1 event
#define ADC_EMUX_EM2_PWM2       0x00000800  // PWM2 event
#define ADC_EMUX_EM2_ALWAYS     0x00000F00  // Always event
#define ADC_EMUX_EM1_MASK       0x000000F0  // Event mux 1 mask
#define ADC_EMUX_EM1_PROCESSOR  0x00000000  // Processor event
#define ADC_EMUX_EM1_COMP0      0x00000010  // Analog comparator 0 event
#define ADC_EMUX_EM1_COMP1      0x00000020  // Analog comparator 1 event
#define ADC_EMUX_EM1_COMP2      0x00000030  // Analog comparator 2 event
#define ADC_EMUX_EM1_EXTERNAL   0x00000040  // External event
#define ADC_EMUX_EM1_TIMER      0x00000050  // Timer event
#define ADC_EMUX_EM1_PWM0       0x00000060  // PWM0 event
#define ADC_EMUX_EM1_PWM1       0x00000070  // PWM1 event
#define ADC_EMUX_EM1_PWM2       0x00000080  // PWM2 event
#define ADC_EMUX_EM1_ALWAYS     0x000000F0  // Always event
#define ADC_EMUX_EM0_MASK       0x0000000F  // Event mux 0 mask
#define ADC_EMUX_EM0_PROCESSOR  0x00000000  // Processor event
#define ADC_EMUX_EM0_COMP0      0x00000001  // Analog comparator 0 event