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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [Common/] [drivers/] [LuminaryMicro/] [hw_qei.h] - Rev 867
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//***************************************************************************** // // hw_qei.h - Macros used when accessing the QEI hardware. // // Copyright (c) 2005-2008 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 microcontroller products. // // The software is owned by LMI and/or its suppliers, and is protected under // applicable copyright laws. All rights are reserved. You may not combine // this software with "viral" open-source software in order to form a larger // program. 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 2523 of the Stellaris Peripheral Driver Library. // //***************************************************************************** #ifndef __HW_QEI_H__ #define __HW_QEI_H__ //***************************************************************************** // // The following are defines for the QEI register offsets. // //***************************************************************************** #define QEI_O_CTL 0x00000000 // Configuration and control reg. #define QEI_O_STAT 0x00000004 // Status register #define QEI_O_POS 0x00000008 // Current position register #define QEI_O_MAXPOS 0x0000000C // Maximum position register #define QEI_O_LOAD 0x00000010 // Velocity timer load register #define QEI_O_TIME 0x00000014 // Velocity timer register #define QEI_O_COUNT 0x00000018 // Velocity pulse count register #define QEI_O_SPEED 0x0000001C // Velocity speed register #define QEI_O_INTEN 0x00000020 // Interrupt enable register #define QEI_O_RIS 0x00000024 // Raw interrupt status register #define QEI_O_ISC 0x00000028 // Interrupt status register //***************************************************************************** // // The following are defines for the bit fields in the QEI_CTL register. // //***************************************************************************** #define QEI_CTL_STALLEN 0x00001000 // Stall enable #define QEI_CTL_INVI 0x00000800 // Invert Index input #define QEI_CTL_INVB 0x00000400 // Invert PhB input #define QEI_CTL_INVA 0x00000200 // Invert PhA input #define QEI_CTL_VELDIV_M 0x000001C0 // Velocity predivider mask #define QEI_CTL_VELDIV_1 0x00000000 // Predivide by 1 #define QEI_CTL_VELDIV_2 0x00000040 // Predivide by 2 #define QEI_CTL_VELDIV_4 0x00000080 // Predivide by 4 #define QEI_CTL_VELDIV_8 0x000000C0 // Predivide by 8 #define QEI_CTL_VELDIV_16 0x00000100 // Predivide by 16 #define QEI_CTL_VELDIV_32 0x00000140 // Predivide by 32 #define QEI_CTL_VELDIV_64 0x00000180 // Predivide by 64 #define QEI_CTL_VELDIV_128 0x000001C0 // Predivide by 128 #define QEI_CTL_VELEN 0x00000020 // Velocity enable #define QEI_CTL_RESMODE 0x00000010 // Position counter reset mode #define QEI_CTL_CAPMODE 0x00000008 // Edge capture mode #define QEI_CTL_SIGMODE 0x00000004 // Encoder signaling mode #define QEI_CTL_SWAP 0x00000002 // Swap input signals #define QEI_CTL_ENABLE 0x00000001 // QEI enable //***************************************************************************** // // The following are defines for the bit fields in the QEI_STAT register. // //***************************************************************************** #define QEI_STAT_DIRECTION 0x00000002 // Direction of rotation #define QEI_STAT_ERROR 0x00000001 // Signalling error detected //***************************************************************************** // // The following are defines for the bit fields in the QEI_POS register. // //***************************************************************************** #define QEI_POS_M 0xFFFFFFFF // Current encoder position #define QEI_POS_S 0 //***************************************************************************** // // The following are defines for the bit fields in the QEI_MAXPOS register. // //***************************************************************************** #define QEI_MAXPOS_M 0xFFFFFFFF // Maximum encoder position #define QEI_MAXPOS_S 0 //***************************************************************************** // // The following are defines for the bit fields in the QEI_LOAD register. // //***************************************************************************** #define QEI_LOAD_M 0xFFFFFFFF // Velocity timer load value #define QEI_LOAD_S 0 //***************************************************************************** // // The following are defines for the bit fields in the QEI_TIME register. // //***************************************************************************** #define QEI_TIME_M 0xFFFFFFFF // Velocity timer current value #define QEI_TIME_S 0 //***************************************************************************** // // The following are defines for the bit fields in the QEI_COUNT register. // //***************************************************************************** #define QEI_COUNT_M 0xFFFFFFFF // Encoder running pulse count #define QEI_COUNT_S 0 //***************************************************************************** // // The following are defines for the bit fields in the QEI_SPEED register. // //***************************************************************************** #define QEI_SPEED_M 0xFFFFFFFF // Encoder pulse count #define QEI_SPEED_S 0 //***************************************************************************** // // The following are defines for the bit fields in the QEI_INTEN register. // //***************************************************************************** #define QEI_INTEN_ERROR 0x00000008 // Phase error detected #define QEI_INTEN_DIR 0x00000004 // Direction change #define QEI_INTEN_TIMER 0x00000002 // Velocity timer expired #define QEI_INTEN_INDEX 0x00000001 // Index pulse detected //***************************************************************************** // // The following are defines for the bit fields in the QEI_RIS register. // //***************************************************************************** #define QEI_RIS_ERROR 0x00000008 // Phase error detected #define QEI_RIS_DIR 0x00000004 // Direction change #define QEI_RIS_TIMER 0x00000002 // Velocity timer expired #define QEI_RIS_INDEX 0x00000001 // Index pulse detected //***************************************************************************** // // The following are defines for the bit fields in the QEI_O_ISC register. // //***************************************************************************** #define QEI_ISC_ERROR 0x00000008 // Phase Error Interrupt. #define QEI_ISC_DIR 0x00000004 // Direction Change Interrupt. #define QEI_ISC_TIMER 0x00000002 // Velocity Timer Expired // Interrupt. #define QEI_ISC_INDEX 0x00000001 // Index Pulse Interrupt. //***************************************************************************** // // The following definitions are deprecated. // //***************************************************************************** #ifndef DEPRECATED //***************************************************************************** // // The following are deprecated defines for the bit fields in the QEI_ISC // register. // //***************************************************************************** #define QEI_INT_ERROR 0x00000008 // Phase error detected #define QEI_INT_DIR 0x00000004 // Direction change #define QEI_INT_TIMER 0x00000002 // Velocity timer expired #define QEI_INT_INDEX 0x00000001 // Index pulse detected //***************************************************************************** // // The following are deprecated defines for the reset values for the QEI // registers. // //***************************************************************************** #define QEI_RV_POS 0x00000000 // Current position register #define QEI_RV_LOAD 0x00000000 // Velocity timer load register #define QEI_RV_CTL 0x00000000 // Configuration and control reg. #define QEI_RV_RIS 0x00000000 // Raw interrupt status register #define QEI_RV_ISC 0x00000000 // Interrupt status register #define QEI_RV_SPEED 0x00000000 // Velocity speed register #define QEI_RV_INTEN 0x00000000 // Interrupt enable register #define QEI_RV_STAT 0x00000000 // Status register #define QEI_RV_COUNT 0x00000000 // Velocity pulse count register #define QEI_RV_MAXPOS 0x00000000 // Maximum position register #define QEI_RV_TIME 0x00000000 // Velocity timer register #endif #endif // __HW_QEI_H__
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