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//*****************************************************************************
//
// 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
#define ADC_EMUX_EM0_COMP1 0x00000002 // Analog comparator 1 event
#define ADC_EMUX_EM0_COMP2 0x00000003 // Analog comparator 2 event
#define ADC_EMUX_EM0_EXTERNAL 0x00000004 // External event
#define ADC_EMUX_EM0_TIMER 0x00000005 // Timer event
#define ADC_EMUX_EM0_PWM0 0x00000006 // PWM0 event
#define ADC_EMUX_EM0_PWM1 0x00000007 // PWM1 event
#define ADC_EMUX_EM0_PWM2 0x00000008 // PWM2 event
#define ADC_EMUX_EM0_ALWAYS 0x0000000F // Always event
#define ADC_EMUX_EM0_SHIFT 0 // The shift for the first event
#define ADC_EMUX_EM1_SHIFT 4 // The shift for the second event
#define ADC_EMUX_EM2_SHIFT 8 // The shift for the third event
#define ADC_EMUX_EM3_SHIFT 12 // The shift for the fourth event
//*****************************************************************************
//
// The following define the bit fields in the ADC_USTAT register.
//
//*****************************************************************************
#define ADC_USTAT_UV3 0x00000008 // Sample sequence 3 underflow
#define ADC_USTAT_UV2 0x00000004 // Sample sequence 2 underflow
#define ADC_USTAT_UV1 0x00000002 // Sample sequence 1 underflow
#define ADC_USTAT_UV0 0x00000001 // Sample sequence 0 underflow
//*****************************************************************************
//
// The following define the bit fields in the ADC_SSPRI register.
//
//*****************************************************************************
#define ADC_SSPRI_SS3_MASK 0x00003000 // Sequencer 3 priority mask
#define ADC_SSPRI_SS3_1ST 0x00000000 // First priority
#define ADC_SSPRI_SS3_2ND 0x00001000 // Second priority
#define ADC_SSPRI_SS3_3RD 0x00002000 // Third priority
#define ADC_SSPRI_SS3_4TH 0x00003000 // Fourth priority
#define ADC_SSPRI_SS2_MASK 0x00000300 // Sequencer 2 priority mask
#define ADC_SSPRI_SS2_1ST 0x00000000 // First priority
#define ADC_SSPRI_SS2_2ND 0x00000100 // Second priority
#define ADC_SSPRI_SS2_3RD 0x00000200 // Third priority
#define ADC_SSPRI_SS2_4TH 0x00000300 // Fourth priority
#define ADC_SSPRI_SS1_MASK 0x00000030 // Sequencer 1 priority mask
#define ADC_SSPRI_SS1_1ST 0x00000000 // First priority
#define ADC_SSPRI_SS1_2ND 0x00000010 // Second priority
#define ADC_SSPRI_SS1_3RD 0x00000020 // Third priority
#define ADC_SSPRI_SS1_4TH 0x00000030 // Fourth priority
#define ADC_SSPRI_SS0_MASK 0x00000003 // Sequencer 0 priority mask
#define ADC_SSPRI_SS0_1ST 0x00000000 // First priority
#define ADC_SSPRI_SS0_2ND 0x00000001 // Second priority
#define ADC_SSPRI_SS0_3RD 0x00000002 // Third priority
#define ADC_SSPRI_SS0_4TH 0x00000003 // Fourth priority
//*****************************************************************************
//
// The following define the bit fields in the ADC_PSSI register.
//
//*****************************************************************************
#define ADC_PSSI_SS3 0x00000008 // Trigger sample sequencer 3
#define ADC_PSSI_SS2 0x00000004 // Trigger sample sequencer 2
#define ADC_PSSI_SS1 0x00000002 // Trigger sample sequencer 1
#define ADC_PSSI_SS0 0x00000001 // Trigger sample sequencer 0
//*****************************************************************************
//
// The following define the bit fields in the ADC_SSMUX0, ADC_SSMUX1,
// ADC_SSMUX2, and ADC_SSMUX3 registers. Not all fields are present in all
// registers.
//
//*****************************************************************************
#define ADC_SSMUX_MUX7_MASK 0x70000000 // 8th mux select mask
#define ADC_SSMUX_MUX6_MASK 0x07000000 // 7th mux select mask
#define ADC_SSMUX_MUX5_MASK 0x00700000 // 6th mux select mask
#define ADC_SSMUX_MUX4_MASK 0x00070000 // 5th mux select mask
#define ADC_SSMUX_MUX3_MASK 0x00007000 // 4th mux select mask
#define ADC_SSMUX_MUX2_MASK 0x00000700 // 3rd mux select mask
#define ADC_SSMUX_MUX1_MASK 0x00000070 // 2nd mux select mask
#define ADC_SSMUX_MUX0_MASK 0x00000007 // 1st mux select mask
#define ADC_SSMUX_MUX7_SHIFT 28
#define ADC_SSMUX_MUX6_SHIFT 24
#define ADC_SSMUX_MUX5_SHIFT 20
#define ADC_SSMUX_MUX4_SHIFT 16
#define ADC_SSMUX_MUX3_SHIFT 12
#define ADC_SSMUX_MUX2_SHIFT 8
#define ADC_SSMUX_MUX1_SHIFT 4
#define ADC_SSMUX_MUX0_SHIFT 0
//*****************************************************************************
//
// The following define the bit fields in the ADC_SSCTL0, ADC_SSCTL1,
// ADC_SSCTL2, and ADC_SSCTL3 registers. Not all fields are present in all
// registers.
//
//*****************************************************************************
#define ADC_SSCTL_TS7 0x80000000 // 8th temperature sensor select
#define ADC_SSCTL_IE7 0x40000000 // 8th interrupt enable
#define ADC_SSCTL_END7 0x20000000 // 8th sequence end select
#define ADC_SSCTL_D7 0x10000000 // 8th differential select
#define ADC_SSCTL_TS6 0x08000000 // 7th temperature sensor select
#define ADC_SSCTL_IE6 0x04000000 // 7th interrupt enable
#define ADC_SSCTL_END6 0x02000000 // 7th sequence end select
#define ADC_SSCTL_D6 0x01000000 // 7th differential select
#define ADC_SSCTL_TS5 0x00800000 // 6th temperature sensor select
#define ADC_SSCTL_IE5 0x00400000 // 6th interrupt enable
#define ADC_SSCTL_END5 0x00200000 // 6th sequence end select
#define ADC_SSCTL_D5 0x00100000 // 6th differential select
#define ADC_SSCTL_TS4 0x00080000 // 5th temperature sensor select
#define ADC_SSCTL_IE4 0x00040000 // 5th interrupt enable
#define ADC_SSCTL_END4 0x00020000 // 5th sequence end select
#define ADC_SSCTL_D4 0x00010000 // 5th differential select
#define ADC_SSCTL_TS3 0x00008000 // 4th temperature sensor select
#define ADC_SSCTL_IE3 0x00004000 // 4th interrupt enable
#define ADC_SSCTL_END3 0x00002000 // 4th sequence end select
#define ADC_SSCTL_D3 0x00001000 // 4th differential select
#define ADC_SSCTL_TS2 0x00000800 // 3rd temperature sensor select
#define ADC_SSCTL_IE2 0x00000400 // 3rd interrupt enable
#define ADC_SSCTL_END2 0x00000200 // 3rd sequence end select
#define ADC_SSCTL_D2 0x00000100 // 3rd differential select
#define ADC_SSCTL_TS1 0x00000080 // 2nd temperature sensor select
#define ADC_SSCTL_IE1 0x00000040 // 2nd interrupt enable
#define ADC_SSCTL_END1 0x00000020 // 2nd sequence end select
#define ADC_SSCTL_D1 0x00000010 // 2nd differential select
#define ADC_SSCTL_TS0 0x00000008 // 1st temperature sensor select
#define ADC_SSCTL_IE0 0x00000004 // 1st interrupt enable
#define ADC_SSCTL_END0 0x00000002 // 1st sequence end select
#define ADC_SSCTL_D0 0x00000001 // 1st differential select
//*****************************************************************************
//
// The following define the bit fields in the ADC_SSFIFO0, ADC_SSFIFO1,
// ADC_SSFIFO2, and ADC_SSFIFO3 registers.
//
//*****************************************************************************
#define ADC_SSFIFO_DATA_MASK 0x000003FF // Sample data
#define ADC_SSFIFO_DATA_SHIFT 0
//*****************************************************************************
//
// The following define the bit fields in the ADC_SSFSTAT0, ADC_SSFSTAT1,
// ADC_SSFSTAT2, and ADC_SSFSTAT3 registers.
//
//*****************************************************************************
#define ADC_SSFSTAT_FULL 0x00001000 // FIFO is full
#define ADC_SSFSTAT_EMPTY 0x00000100 // FIFO is empty
#define ADC_SSFSTAT_HPTR 0x000000F0 // FIFO head pointer
#define ADC_SSFSTAT_TPTR 0x0000000F // FIFO tail pointer
//*****************************************************************************
//
// The following define the bit fields in the ADC_TMLB register.
//
//*****************************************************************************
#define ADC_TMLB_LB 0x00000001 // Loopback control signals
//*****************************************************************************
//
// The following define the bit fields in the loopback ADC data.
//
//*****************************************************************************
#define ADC_LB_CNT_MASK 0x000003C0 // Sample counter mask
#define ADC_LB_CONT 0x00000020 // Continuation sample
#define ADC_LB_DIFF 0x00000010 // Differential sample
#define ADC_LB_TS 0x00000008 // Temperature sensor sample
#define ADC_LB_MUX_MASK 0x00000007 // Input channel number mask
#define ADC_LB_CNT_SHIFT 6 // Sample counter shift
#define ADC_LB_MUX_SHIFT 0 // Input channel number shift
#endif // __HW_ADC_H__
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