//***************************************************************************** // // 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__