Port to LPC1549. Partially tested, not all features ported

Fork of QEI_hw by Hexley Ball

Committer:
hexley
Date:
Sat Dec 11 01:34:35 2010 +0000
Revision:
0:20a27391f6dc
Child:
1:018226f83d80
Initial release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hexley 0:20a27391f6dc 1 /* mbed Library - QEIhw
hexley 0:20a27391f6dc 2 * Copyright (c) 2010, hball
hexley 0:20a27391f6dc 3 * released under MIT license http://mbed.org/licence/mit
hexley 0:20a27391f6dc 4 */
hexley 0:20a27391f6dc 5
hexley 0:20a27391f6dc 6 /***********************************************************************//**
hexley 0:20a27391f6dc 7 * @file qeihw.h
hexley 0:20a27391f6dc 8 * @brief Header file for the qeihw driver. Adapted from the CMSIS
hexley 0:20a27391f6dc 9 * header, lpc17xx_qei.h, v 2.0
hexley 0:20a27391f6dc 10 * @version 0.0
hexley 0:20a27391f6dc 11 * @date 10 Dec 2010
hexley 0:20a27391f6dc 12 * @author hb
hexley 0:20a27391f6dc 13 **************************************************************************/
hexley 0:20a27391f6dc 14
hexley 0:20a27391f6dc 15
hexley 0:20a27391f6dc 16 #ifndef MBED_QEIHW_H
hexley 0:20a27391f6dc 17 #define MBED_QEIHW_H
hexley 0:20a27391f6dc 18
hexley 0:20a27391f6dc 19 /* Includes ------------------------------------------------------------------- */
hexley 0:20a27391f6dc 20 #include "mbed.h"
hexley 0:20a27391f6dc 21
hexley 0:20a27391f6dc 22
hexley 0:20a27391f6dc 23 /* Public Types --------------------------------------------------------------- */
hexley 0:20a27391f6dc 24
hexley 0:20a27391f6dc 25 /* Flag Status type definition */
hexley 0:20a27391f6dc 26 typedef enum {RESET = 0, SET = !RESET} FlagStatus, IntStatus, SetState;
hexley 0:20a27391f6dc 27
hexley 0:20a27391f6dc 28 /* Functional State Definition */
hexley 0:20a27391f6dc 29 typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState;
hexley 0:20a27391f6dc 30
hexley 0:20a27391f6dc 31
hexley 0:20a27391f6dc 32 /* Other definitions */
hexley 0:20a27391f6dc 33 #define XTAL_FREQ 12000000
hexley 0:20a27391f6dc 34
hexley 0:20a27391f6dc 35 /* Public Functions ----------------------------------------------------------- */
hexley 0:20a27391f6dc 36 /** @defgroup QEI_Public_Functions QEI Public Functions
hexley 0:20a27391f6dc 37 */
hexley 0:20a27391f6dc 38 class QEIHW {
hexley 0:20a27391f6dc 39 public:
hexley 0:20a27391f6dc 40
hexley 0:20a27391f6dc 41 /** Create a QEI object and configure it
hexley 0:20a27391f6dc 42 *
hexley 0:20a27391f6dc 43 * @param _dirinv Direction invert. When = 1, complements the QEICONF register DIR bit
hexley 0:20a27391f6dc 44 * @param _sigmode Signal mode. When = 0, PhA and PhB are quadrature inputs. When = 1, PhA is direction and PhB is clock
hexley 0:20a27391f6dc 45 * @param _capmode Capture mode. When = 0, count PhA edges only (2X mode). Whe = 1, count PhB edges also (4X mode).
hexley 0:20a27391f6dc 46 * @param _invinx Invert index. When = 1, inverts the sense of the index signal
hexley 0:20a27391f6dc 47 */
hexley 0:20a27391f6dc 48 QEIHW( uint32_t _dirinv, uint32_t _sigmode, uint32_t _capmode, uint32_t _invinx);
hexley 0:20a27391f6dc 49
hexley 0:20a27391f6dc 50 /** Resets value for each type of QEI value, such as velocity, position, etc.
hexley 0:20a27391f6dc 51 *
hexley 0:20a27391f6dc 52 * @param[in] ulResetType QEI Reset Type, should be one of the following:
hexley 0:20a27391f6dc 53 * - QEI_RESET_POS: Reset Position Counter
hexley 0:20a27391f6dc 54 * - QEI_RESET_POSOnIDX: Reset Position Counter on Index signal
hexley 0:20a27391f6dc 55 * - QEI_RESET_VEL: Reset Velocity
hexley 0:20a27391f6dc 56 * - QEI_RESET_IDX: Reset Index Counter
hexley 0:20a27391f6dc 57 */
hexley 0:20a27391f6dc 58 void Reset(uint32_t ulResetType);
hexley 0:20a27391f6dc 59
hexley 0:20a27391f6dc 60 /** Powers down the QEI block, returns pins to GPIO mode
hexley 0:20a27391f6dc 61 *
hexley 0:20a27391f6dc 62 */
hexley 0:20a27391f6dc 63 void DeInit();
hexley 0:20a27391f6dc 64
hexley 0:20a27391f6dc 65 /** Report direction (QEISTAT bit DIR)
hexley 0:20a27391f6dc 66 *
hexley 0:20a27391f6dc 67 * @return State of the DIR bit (SET or RESET)
hexley 0:20a27391f6dc 68 */
hexley 0:20a27391f6dc 69 FlagStatus Direction();
hexley 0:20a27391f6dc 70
hexley 0:20a27391f6dc 71 /**
hexley 0:20a27391f6dc 72 * @brief Get current position value in QEI peripheral
hexley 0:20a27391f6dc 73 *
hexley 0:20a27391f6dc 74 * @return Current position value of QEI peripheral
hexley 0:20a27391f6dc 75 */
hexley 0:20a27391f6dc 76 uint32_t GetPosition();
hexley 0:20a27391f6dc 77
hexley 0:20a27391f6dc 78 /** Set max position value for QEI peripheral
hexley 0:20a27391f6dc 79 *
hexley 0:20a27391f6dc 80 * @param[in] ulMaxPos Max position value to set
hexley 0:20a27391f6dc 81 * @return None
hexley 0:20a27391f6dc 82 */
hexley 0:20a27391f6dc 83 void SetMaxPosition(uint32_t ulMaxPos);
hexley 0:20a27391f6dc 84
hexley 0:20a27391f6dc 85 /** Set position compare value for QEI peripheral
hexley 0:20a27391f6dc 86 * @param[in] bPosCompCh Compare Position channel, should be:
hexley 0:20a27391f6dc 87 * - QEI_COMPPOS_CH_0: QEI compare position channel 0
hexley 0:20a27391f6dc 88 * - QEI_COMPPOS_CH_1: QEI compare position channel 1
hexley 0:20a27391f6dc 89 * - QEI_COMPPOS_CH_2: QEI compare position channel 2
hexley 0:20a27391f6dc 90 * @param[in] ulPosComp Compare Position value to set
hexley 0:20a27391f6dc 91 * @return None
hexley 0:20a27391f6dc 92 */
hexley 0:20a27391f6dc 93 void SetPositionComp( uint8_t bPosCompCh, uint32_t ulPosComp);
hexley 0:20a27391f6dc 94
hexley 0:20a27391f6dc 95 /** Get current index counter of QEI peripheral
hexley 0:20a27391f6dc 96 *
hexley 0:20a27391f6dc 97 * @return Current value of QEI index counter
hexley 0:20a27391f6dc 98 */
hexley 0:20a27391f6dc 99 uint32_t GetIndex();
hexley 0:20a27391f6dc 100
hexley 0:20a27391f6dc 101 /** Set value for index compare in QEI peripheral
hexley 0:20a27391f6dc 102 * @param[in] ulIndexComp Compare Index Value to set
hexley 0:20a27391f6dc 103 * @return None
hexley 0:20a27391f6dc 104 */
hexley 0:20a27391f6dc 105 void SetIndexComp( uint32_t ulIndexComp);
hexley 0:20a27391f6dc 106
hexley 0:20a27391f6dc 107 /** Set Velocity timer reload value
hexley 0:20a27391f6dc 108 *
hexley 0:20a27391f6dc 109 * @param[in] ulReloadValue Velocity timer reload count
hexley 0:20a27391f6dc 110 * @return None
hexley 0:20a27391f6dc 111 */
hexley 0:20a27391f6dc 112 void SetVelocityTimerReload( uint32_t ulReloadValue);
hexley 0:20a27391f6dc 113
hexley 0:20a27391f6dc 114 /** Set Velocity timer reload value in microseconds
hexley 0:20a27391f6dc 115 *
hexley 0:20a27391f6dc 116 * @param[in] ulReloadValue Velocity timer reload count
hexley 0:20a27391f6dc 117 * @return None
hexley 0:20a27391f6dc 118 */
hexley 0:20a27391f6dc 119 void SetVelocityTimerReload_us( uint32_t ulReloadValue);
hexley 0:20a27391f6dc 120
hexley 0:20a27391f6dc 121 /** Get current timer counter in QEI peripheral
hexley 0:20a27391f6dc 122 *
hexley 0:20a27391f6dc 123 * @return Current timer counter in QEI peripheral
hexley 0:20a27391f6dc 124 */
hexley 0:20a27391f6dc 125 uint32_t GetTimer();
hexley 0:20a27391f6dc 126
hexley 0:20a27391f6dc 127 /** Get current velocity pulse counter in current time period
hexley 0:20a27391f6dc 128 *
hexley 0:20a27391f6dc 129 * @return Current velocity pulse counter value
hexley 0:20a27391f6dc 130 */
hexley 0:20a27391f6dc 131 uint32_t GetVelocity();
hexley 0:20a27391f6dc 132
hexley 0:20a27391f6dc 133 /** Get the most recently measured velocity of the QEI. When
hexley 0:20a27391f6dc 134 * the Velocity timer in QEI is over-flow, the current velocity
hexley 0:20a27391f6dc 135 * value will be loaded into Velocity Capture register.
hexley 0:20a27391f6dc 136 *
hexley 0:20a27391f6dc 137 * @return The most recently measured velocity value
hexley 0:20a27391f6dc 138 */
hexley 0:20a27391f6dc 139 uint32_t GetVelocityCap();
hexley 0:20a27391f6dc 140
hexley 0:20a27391f6dc 141 /** Set Velocity Compare value for QEI peripheral
hexley 0:20a27391f6dc 142 *
hexley 0:20a27391f6dc 143 * @param[in] ulVelComp Compare Velocity value to set
hexley 0:20a27391f6dc 144 * @return None
hexley 0:20a27391f6dc 145 */
hexley 0:20a27391f6dc 146 void SetVelocityComp( uint32_t ulVelComp);
hexley 0:20a27391f6dc 147
hexley 0:20a27391f6dc 148 /** Set value of sampling count for the digital filter in
hexley 0:20a27391f6dc 149 * QEI peripheral
hexley 0:20a27391f6dc 150 *
hexley 0:20a27391f6dc 151 * @param[in] ulSamplingPulse Value of sampling count to set
hexley 0:20a27391f6dc 152 * @return None
hexley 0:20a27391f6dc 153 */
hexley 0:20a27391f6dc 154 void SetDigiFilter( uint32_t ulSamplingPulse);
hexley 0:20a27391f6dc 155
hexley 0:20a27391f6dc 156 /** Check whether if specified interrupt flag status in QEI
hexley 0:20a27391f6dc 157 * peripheral is set or not
hexley 0:20a27391f6dc 158 *
hexley 0:20a27391f6dc 159 * @param[in] ulIntType Interrupt Flag Status type, should be:
hexley 0:20a27391f6dc 160 - QEI_INTFLAG_INX_Int: index pulse was detected interrupt
hexley 0:20a27391f6dc 161 - QEI_INTFLAG_TIM_Int: Velocity timer over flow interrupt
hexley 0:20a27391f6dc 162 - QEI_INTFLAG_VELC_Int: Capture velocity is less than compare interrupt
hexley 0:20a27391f6dc 163 - QEI_INTFLAG_DIR_Int: Change of direction interrupt
hexley 0:20a27391f6dc 164 - QEI_INTFLAG_ERR_Int: An encoder phase error interrupt
hexley 0:20a27391f6dc 165 - QEI_INTFLAG_ENCLK_Int: An encoder clock pulse was detected interrupt
hexley 0:20a27391f6dc 166 - QEI_INTFLAG_POS0_Int: position 0 compare value is equal to the
hexley 0:20a27391f6dc 167 current position interrupt
hexley 0:20a27391f6dc 168 - QEI_INTFLAG_POS1_Int: position 1 compare value is equal to the
hexley 0:20a27391f6dc 169 current position interrupt
hexley 0:20a27391f6dc 170 - QEI_INTFLAG_POS2_Int: position 2 compare value is equal to the
hexley 0:20a27391f6dc 171 current position interrupt
hexley 0:20a27391f6dc 172 - QEI_INTFLAG_REV_Int: Index compare value is equal to the current
hexley 0:20a27391f6dc 173 index count interrupt
hexley 0:20a27391f6dc 174 - QEI_INTFLAG_POS0REV_Int: Combined position 0 and revolution count interrupt
hexley 0:20a27391f6dc 175 - QEI_INTFLAG_POS1REV_Int: Combined position 1 and revolution count interrupt
hexley 0:20a27391f6dc 176 - QEI_INTFLAG_POS2REV_Int: Combined position 2 and revolution count interrupt
hexley 0:20a27391f6dc 177 * @return New State of specified interrupt flag status (SET or RESET)
hexley 0:20a27391f6dc 178 */
hexley 0:20a27391f6dc 179 FlagStatus GetIntStatus( uint32_t ulIntType);
hexley 0:20a27391f6dc 180
hexley 0:20a27391f6dc 181 /** Enable/Disable specified interrupt in QEI peripheral
hexley 0:20a27391f6dc 182 *
hexley 0:20a27391f6dc 183 * @param[in] ulIntType Interrupt Flag Status type, should be:
hexley 0:20a27391f6dc 184 * - QEI_INTFLAG_INX_Int: index pulse was detected interrupt
hexley 0:20a27391f6dc 185 * - QEI_INTFLAG_TIM_Int: Velocity timer over flow interrupt
hexley 0:20a27391f6dc 186 * - QEI_INTFLAG_VELC_Int: Capture velocity is less than compare interrupt
hexley 0:20a27391f6dc 187 * - QEI_INTFLAG_DIR_Int: Change of direction interrupt
hexley 0:20a27391f6dc 188 * - QEI_INTFLAG_ERR_Int: An encoder phase error interrupt
hexley 0:20a27391f6dc 189 * - QEI_INTFLAG_ENCLK_Int: An encoder clock pulse was detected interrupt
hexley 0:20a27391f6dc 190 * - QEI_INTFLAG_POS0_Int: position 0 compare value is equal to the
hexley 0:20a27391f6dc 191 * current position interrupt
hexley 0:20a27391f6dc 192 * - QEI_INTFLAG_POS1_Int: position 1 compare value is equal to the
hexley 0:20a27391f6dc 193 * current position interrupt
hexley 0:20a27391f6dc 194 * - QEI_INTFLAG_POS2_Int: position 2 compare value is equal to the
hexley 0:20a27391f6dc 195 * current position interrupt
hexley 0:20a27391f6dc 196 * - QEI_INTFLAG_REV_Int: Index compare value is equal to the current
hexley 0:20a27391f6dc 197 * index count interrupt
hexley 0:20a27391f6dc 198 * - QEI_INTFLAG_POS0REV_Int: Combined position 0 and revolution count interrupt
hexley 0:20a27391f6dc 199 * - QEI_INTFLAG_POS1REV_Int: Combined position 1 and revolution count interrupt
hexley 0:20a27391f6dc 200 * - QEI_INTFLAG_POS2REV_Int: Combined position 2 and revolution count interrupt
hexley 0:20a27391f6dc 201 * @param[in] NewState New function state, should be:
hexley 0:20a27391f6dc 202 * - DISABLE
hexley 0:20a27391f6dc 203 * - ENABLE
hexley 0:20a27391f6dc 204 * @return None
hexley 0:20a27391f6dc 205 */
hexley 0:20a27391f6dc 206 void IntCmd( uint32_t ulIntType, FunctionalState NewState);
hexley 0:20a27391f6dc 207
hexley 0:20a27391f6dc 208 /** Asserts specified interrupt in QEI peripheral
hexley 0:20a27391f6dc 209 *
hexley 0:20a27391f6dc 210 * @param[in] ulIntType Interrupt Flag Status type, should be:
hexley 0:20a27391f6dc 211 - QEI_INTFLAG_INX_Int: index pulse was detected interrupt
hexley 0:20a27391f6dc 212 - QEI_INTFLAG_TIM_Int: Velocity timer over flow interrupt
hexley 0:20a27391f6dc 213 - QEI_INTFLAG_VELC_Int: Capture velocity is less than compare interrupt
hexley 0:20a27391f6dc 214 - QEI_INTFLAG_DIR_Int: Change of direction interrupt
hexley 0:20a27391f6dc 215 - QEI_INTFLAG_ERR_Int: An encoder phase error interrupt
hexley 0:20a27391f6dc 216 - QEI_INTFLAG_ENCLK_Int: An encoder clock pulse was detected interrupt
hexley 0:20a27391f6dc 217 - QEI_INTFLAG_POS0_Int: position 0 compare value is equal to the
hexley 0:20a27391f6dc 218 current position interrupt
hexley 0:20a27391f6dc 219 - QEI_INTFLAG_POS1_Int: position 1 compare value is equal to the
hexley 0:20a27391f6dc 220 current position interrupt
hexley 0:20a27391f6dc 221 - QEI_INTFLAG_POS2_Int: position 2 compare value is equal to the
hexley 0:20a27391f6dc 222 current position interrupt
hexley 0:20a27391f6dc 223 - QEI_INTFLAG_REV_Int: Index compare value is equal to the current
hexley 0:20a27391f6dc 224 index count interrupt
hexley 0:20a27391f6dc 225 - QEI_INTFLAG_POS0REV_Int: Combined position 0 and revolution count interrupt
hexley 0:20a27391f6dc 226 - QEI_INTFLAG_POS1REV_Int: Combined position 1 and revolution count interrupt
hexley 0:20a27391f6dc 227 - QEI_INTFLAG_POS2REV_Int: Combined position 2 and revolution count interrupt
hexley 0:20a27391f6dc 228 * @return None
hexley 0:20a27391f6dc 229 */
hexley 0:20a27391f6dc 230 void IntSet( uint32_t ulIntType);
hexley 0:20a27391f6dc 231
hexley 0:20a27391f6dc 232 /** De-asserts specified interrupt (pending) in QEI peripheral
hexley 0:20a27391f6dc 233 *
hexley 0:20a27391f6dc 234 * @param[in] ulIntType Interrupt Flag Status type, should be:
hexley 0:20a27391f6dc 235 - QEI_INTFLAG_INX_Int: index pulse was detected interrupt
hexley 0:20a27391f6dc 236 - QEI_INTFLAG_TIM_Int: Velocity timer over flow interrupt
hexley 0:20a27391f6dc 237 - QEI_INTFLAG_VELC_Int: Capture velocity is less than compare interrupt
hexley 0:20a27391f6dc 238 - QEI_INTFLAG_DIR_Int: Change of direction interrupt
hexley 0:20a27391f6dc 239 - QEI_INTFLAG_ERR_Int: An encoder phase error interrupt
hexley 0:20a27391f6dc 240 - QEI_INTFLAG_ENCLK_Int: An encoder clock pulse was detected interrupt
hexley 0:20a27391f6dc 241 - QEI_INTFLAG_POS0_Int: position 0 compare value is equal to the
hexley 0:20a27391f6dc 242 current position interrupt
hexley 0:20a27391f6dc 243 - QEI_INTFLAG_POS1_Int: position 1 compare value is equal to the
hexley 0:20a27391f6dc 244 current position interrupt
hexley 0:20a27391f6dc 245 - QEI_INTFLAG_POS2_Int: position 2 compare value is equal to the
hexley 0:20a27391f6dc 246 current position interrupt
hexley 0:20a27391f6dc 247 - QEI_INTFLAG_REV_Int: Index compare value is equal to the current
hexley 0:20a27391f6dc 248 index count interrupt
hexley 0:20a27391f6dc 249 - QEI_INTFLAG_POS0REV_Int: Combined position 0 and revolution count interrupt
hexley 0:20a27391f6dc 250 - QEI_INTFLAG_POS1REV_Int: Combined position 1 and revolution count interrupt
hexley 0:20a27391f6dc 251 - QEI_INTFLAG_POS2REV_Int: Combined position 2 and revolution count interrupt
hexley 0:20a27391f6dc 252 * @return None
hexley 0:20a27391f6dc 253 */
hexley 0:20a27391f6dc 254 void IntClear( uint32_t ulIntType);
hexley 0:20a27391f6dc 255
hexley 0:20a27391f6dc 256 /** Append interrupt handler for specific QEI interrupt source
hexley 0:20a27391f6dc 257 *
hexley 0:20a27391f6dc 258 * @param[in] ulISRType Interrupt Flag Status type, should be:
hexley 0:20a27391f6dc 259 * - QEI_INTFLAG_INX_Int: index pulse was detected interrupt
hexley 0:20a27391f6dc 260 * - QEI_INTFLAG_TIM_Int: Velocity timer over flow interrupt
hexley 0:20a27391f6dc 261 * - QEI_INTFLAG_VELC_Int: Capture velocity is less than compare interrupt
hexley 0:20a27391f6dc 262 * - QEI_INTFLAG_DIR_Int: Change of direction interrupt
hexley 0:20a27391f6dc 263 * - QEI_INTFLAG_ERR_Int: An encoder phase error interrupt
hexley 0:20a27391f6dc 264 * - QEI_INTFLAG_ENCLK_Int: An encoder clock pulse was detected interrupt
hexley 0:20a27391f6dc 265 * - QEI_INTFLAG_POS0_Int: position 0 compare value is equal to the
hexley 0:20a27391f6dc 266 * current position interrupt
hexley 0:20a27391f6dc 267 * - QEI_INTFLAG_POS1_Int: position 1 compare value is equal to the
hexley 0:20a27391f6dc 268 * current position interrupt
hexley 0:20a27391f6dc 269 * - QEI_INTFLAG_POS2_Int: position 2 compare value is equal to the
hexley 0:20a27391f6dc 270 * current position interrupt
hexley 0:20a27391f6dc 271 * - QEI_INTFLAG_REV_Int: Index compare value is equal to the current
hexley 0:20a27391f6dc 272 * index count interrupt
hexley 0:20a27391f6dc 273 * - QEI_INTFLAG_POS0REV_Int: Combined position 0 and revolution count interrupt
hexley 0:20a27391f6dc 274 * - QEI_INTFLAG_POS1REV_Int: Combined position 1 and revolution count interrupt
hexley 0:20a27391f6dc 275 * - QEI_INTFLAG_POS2REV_Int: Combined position 2 and revolution count interrupt
hexley 0:20a27391f6dc 276 *
hexley 0:20a27391f6dc 277 * @return none
hexley 0:20a27391f6dc 278 */
hexley 0:20a27391f6dc 279 void AppendISR(uint32_t ulISRType, void(*fptr)(void));
hexley 0:20a27391f6dc 280
hexley 0:20a27391f6dc 281 /** Unappend interrupt handler for specific QEI interrupt source
hexley 0:20a27391f6dc 282 *
hexley 0:20a27391f6dc 283 * @param[in] ulISRType Interrupt Flag Status type, should be:
hexley 0:20a27391f6dc 284 * - QEI_INTFLAG_INX_Int: index pulse was detected interrupt
hexley 0:20a27391f6dc 285 * - QEI_INTFLAG_TIM_Int: Velocity timer over flow interrupt
hexley 0:20a27391f6dc 286 * - QEI_INTFLAG_VELC_Int: Capture velocity is less than compare interrupt
hexley 0:20a27391f6dc 287 * - QEI_INTFLAG_DIR_Int: Change of direction interrupt
hexley 0:20a27391f6dc 288 * - QEI_INTFLAG_ERR_Int: An encoder phase error interrupt
hexley 0:20a27391f6dc 289 * - QEI_INTFLAG_ENCLK_Int: An encoder clock pulse was detected interrupt
hexley 0:20a27391f6dc 290 * - QEI_INTFLAG_POS0_Int: position 0 compare value is equal to the
hexley 0:20a27391f6dc 291 * current position interrupt
hexley 0:20a27391f6dc 292 * - QEI_INTFLAG_POS1_Int: position 1 compare value is equal to the
hexley 0:20a27391f6dc 293 * current position interrupt
hexley 0:20a27391f6dc 294 * - QEI_INTFLAG_POS2_Int: position 2 compare value is equal to the
hexley 0:20a27391f6dc 295 * current position interrupt
hexley 0:20a27391f6dc 296 * - QEI_INTFLAG_REV_Int: Index compare value is equal to the current
hexley 0:20a27391f6dc 297 * index count interrupt
hexley 0:20a27391f6dc 298 * - QEI_INTFLAG_POS0REV_Int: Combined position 0 and revolution count interrupt
hexley 0:20a27391f6dc 299 * - QEI_INTFLAG_POS1REV_Int: Combined position 1 and revolution count interrupt
hexley 0:20a27391f6dc 300 * - QEI_INTFLAG_POS2REV_Int: Combined position 2 and revolution count interrupt
hexley 0:20a27391f6dc 301 *
hexley 0:20a27391f6dc 302 * @return none
hexley 0:20a27391f6dc 303 */
hexley 0:20a27391f6dc 304 void UnAppendISR(uint32_t ulISRType);
hexley 0:20a27391f6dc 305
hexley 0:20a27391f6dc 306
hexley 0:20a27391f6dc 307 /**
hexley 0:20a27391f6dc 308 * @brief Calculates the actual velocity in RPM passed via velocity
hexley 0:20a27391f6dc 309 * capture value and Pulse Per Revolution (of the encoder) value
hexley 0:20a27391f6dc 310 * parameter input.
hexley 0:20a27391f6dc 311 *
hexley 0:20a27391f6dc 312 * @param[in] ulVelCapValue Velocity capture input value that can
hexley 0:20a27391f6dc 313 * be got from QEI_GetVelocityCap() function
hexley 0:20a27391f6dc 314 * @param[in] ulPPR Pulse per round of encoder
hexley 0:20a27391f6dc 315 * @return The actual value of velocity in RPM (Revolutions per minute)
hexley 0:20a27391f6dc 316 */
hexley 0:20a27391f6dc 317 uint32_t CalculateRPM( uint32_t ulVelCapValue, uint32_t ulPPR);
hexley 0:20a27391f6dc 318
hexley 0:20a27391f6dc 319
hexley 0:20a27391f6dc 320 /* Public Macros -------------------------------------------------------------- */
hexley 0:20a27391f6dc 321 /* QEI Reset types */
hexley 0:20a27391f6dc 322 #define QEI_RESET_POS QEI_CON_RESP /**< Reset position counter */
hexley 0:20a27391f6dc 323 #define QEI_RESET_POSOnIDX QEI_CON_RESPI /**< Reset Posistion Counter on Index */
hexley 0:20a27391f6dc 324 #define QEI_RESET_VEL QEI_CON_RESV /**< Reset Velocity */
hexley 0:20a27391f6dc 325 #define QEI_RESET_IDX QEI_CON_RESI /**< Reset Index Counter */
hexley 0:20a27391f6dc 326
hexley 0:20a27391f6dc 327 /* QEI Direction Invert Type Option */
hexley 0:20a27391f6dc 328 #define QEI_DIRINV_NONE ((uint32_t)(0)) /**< Direction is not inverted */
hexley 0:20a27391f6dc 329 #define QEI_DIRINV_CMPL ((uint32_t)(1)) /**< Direction is complemented */
hexley 0:20a27391f6dc 330
hexley 0:20a27391f6dc 331 /* QEI Signal Mode Option */
hexley 0:20a27391f6dc 332 #define QEI_SIGNALMODE_QUAD ((uint32_t)(0)) /**< Signal operation: Quadrature phase mode */
hexley 0:20a27391f6dc 333 #define QEI_SIGNALMODE_CLKDIR ((uint32_t)(1)) /**< Signal operation: Clock/Direction mode */
hexley 0:20a27391f6dc 334
hexley 0:20a27391f6dc 335 /* QEI Capture Mode Option */
hexley 0:20a27391f6dc 336 #define QEI_CAPMODE_2X ((uint32_t)(0)) /**< Capture mode: Only Phase-A edges are counted (2X) */
hexley 0:20a27391f6dc 337 #define QEI_CAPMODE_4X ((uint32_t)(1)) /**< Capture mode: BOTH PhA and PhB edges are counted (4X)*/
hexley 0:20a27391f6dc 338
hexley 0:20a27391f6dc 339 /* QEI Invert Index Signal Option */
hexley 0:20a27391f6dc 340 #define QEI_INVINX_NONE ((uint32_t)(0)) /**< Invert Index signal option: None */
hexley 0:20a27391f6dc 341 #define QEI_INVINX_EN ((uint32_t)(1)) /**< Invert Index signal option: Enable */
hexley 0:20a27391f6dc 342
hexley 0:20a27391f6dc 343 /* QEI timer reload option */
hexley 0:20a27391f6dc 344 #define QEI_TIMERRELOAD_TICKVAL ((uint8_t)(0)) /**< Reload value in absolute value */
hexley 0:20a27391f6dc 345 #define QEI_TIMERRELOAD_USVAL ((uint8_t)(1)) /**< Reload value in microsecond value */
hexley 0:20a27391f6dc 346
hexley 0:20a27391f6dc 347 /* QEI Flag Status type */
hexley 0:20a27391f6dc 348 #define QEI_STATUS_DIR ((uint32_t)(1<<0)) /**< Direction status */
hexley 0:20a27391f6dc 349
hexley 0:20a27391f6dc 350 /* QEI Compare Position channel option */
hexley 0:20a27391f6dc 351 #define QEI_COMPPOS_CH_0 ((uint8_t)(0)) /**< QEI compare position channel 0 */
hexley 0:20a27391f6dc 352 #define QEI_COMPPOS_CH_1 ((uint8_t)(1)) /**< QEI compare position channel 1 */
hexley 0:20a27391f6dc 353 #define QEI_COMPPOS_CH_2 ((uint8_t)(2)) /**< QEI compare position channel 2 */
hexley 0:20a27391f6dc 354
hexley 0:20a27391f6dc 355 /* QEI interrupt flag type */
hexley 0:20a27391f6dc 356 #define QEI_INTFLAG_INX_Int ((uint32_t)(1<<0)) /**< index pulse was detected interrupt */
hexley 0:20a27391f6dc 357 #define QEI_INTFLAG_TIM_Int ((uint32_t)(1<<1)) /**< Velocity timer over flow interrupt */
hexley 0:20a27391f6dc 358 #define QEI_INTFLAG_VELC_Int ((uint32_t)(1<<2)) /**< Capture velocity is less than compare interrupt */
hexley 0:20a27391f6dc 359 #define QEI_INTFLAG_DIR_Int ((uint32_t)(1<<3)) /**< Change of direction interrupt */
hexley 0:20a27391f6dc 360 #define QEI_INTFLAG_ERR_Int ((uint32_t)(1<<4)) /**< An encoder phase error interrupt */
hexley 0:20a27391f6dc 361 #define QEI_INTFLAG_ENCLK_Int ((uint32_t)(1<<5)) /**< An encoder clock pulse was detected interrupt */
hexley 0:20a27391f6dc 362 #define QEI_INTFLAG_POS0_Int ((uint32_t)(1<<6)) /**< position 0 compare value is equal to the
hexley 0:20a27391f6dc 363 current position interrupt */
hexley 0:20a27391f6dc 364 #define QEI_INTFLAG_POS1_Int ((uint32_t)(1<<7)) /**< position 1 compare value is equal to the
hexley 0:20a27391f6dc 365 current position interrupt */
hexley 0:20a27391f6dc 366 #define QEI_INTFLAG_POS2_Int ((uint32_t)(1<<8)) /**< position 2 compare value is equal to the
hexley 0:20a27391f6dc 367 current position interrupt */
hexley 0:20a27391f6dc 368 #define QEI_INTFLAG_REV_Int ((uint32_t)(1<<9)) /**< Index compare value is equal to the current
hexley 0:20a27391f6dc 369 index count interrupt */
hexley 0:20a27391f6dc 370 #define QEI_INTFLAG_POS0REV_Int ((uint32_t)(1<<10)) /**< Combined position 0 and revolution count interrupt */
hexley 0:20a27391f6dc 371 #define QEI_INTFLAG_POS1REV_Int ((uint32_t)(1<<11)) /**< Combined position 1 and revolution count interrupt */
hexley 0:20a27391f6dc 372 #define QEI_INTFLAG_POS2REV_Int ((uint32_t)(1<<12)) /**< Combined position 2 and revolution count interrupt */
hexley 0:20a27391f6dc 373
hexley 0:20a27391f6dc 374 /* QEI Process position reporting options */
hexley 0:20a27391f6dc 375 #define QEI_PROCESS_OPERATE 0;
hexley 0:20a27391f6dc 376 #define QEI_PROCESS_RESET 1;
hexley 0:20a27391f6dc 377 #define QEI_PROCESS_INCREMENTAL 0;
hexley 0:20a27391f6dc 378 #define QEI_PROCESS_ACCUMULATE 1;
hexley 0:20a27391f6dc 379 #define QEI_PROCESS_LINEAR 0;
hexley 0:20a27391f6dc 380 #define QEI_PROCESS_WEIGHTED 1;
hexley 0:20a27391f6dc 381
hexley 0:20a27391f6dc 382 private:
hexley 0:20a27391f6dc 383 static void _Qeiisr(void);
hexley 0:20a27391f6dc 384 void Qeiisr(void);
hexley 0:20a27391f6dc 385 static QEIHW *instance;
hexley 0:20a27391f6dc 386
hexley 0:20a27391f6dc 387 void(*_qei_isr[13])();
hexley 0:20a27391f6dc 388
hexley 0:20a27391f6dc 389
hexley 0:20a27391f6dc 390 /* Private Macros ------------------------------------------------------------- */
hexley 0:20a27391f6dc 391 /* --------------------- BIT DEFINITIONS -------------------------------------- */
hexley 0:20a27391f6dc 392 /* Quadrature Encoder Interface Control Register Definition --------------------- */
hexley 0:20a27391f6dc 393 /*********************************************************************//**
hexley 0:20a27391f6dc 394 * Macro defines for QEI Control register
hexley 0:20a27391f6dc 395 **********************************************************************/
hexley 0:20a27391f6dc 396 #define QEI_CON_RESP ((uint32_t)(1<<0)) /**< Reset position counter */
hexley 0:20a27391f6dc 397 #define QEI_CON_RESPI ((uint32_t)(1<<1)) /**< Reset Posistion Counter on Index */
hexley 0:20a27391f6dc 398 #define QEI_CON_RESV ((uint32_t)(1<<2)) /**< Reset Velocity */
hexley 0:20a27391f6dc 399 #define QEI_CON_RESI ((uint32_t)(1<<3)) /**< Reset Index Counter */
hexley 0:20a27391f6dc 400 #define QEI_CON_BITMASK ((uint32_t)(0x0F)) /**< QEI Control register bit-mask */
hexley 0:20a27391f6dc 401
hexley 0:20a27391f6dc 402 /*********************************************************************//**
hexley 0:20a27391f6dc 403 * Macro defines for QEI Configuration register
hexley 0:20a27391f6dc 404 **********************************************************************/
hexley 0:20a27391f6dc 405 #define QEI_CONF_DIRINV ((uint32_t)(1<<0)) /**< Direction Invert */
hexley 0:20a27391f6dc 406 #define QEI_CONF_SIGMODE ((uint32_t)(1<<1)) /**< Signal mode */
hexley 0:20a27391f6dc 407 #define QEI_CONF_CAPMODE ((uint32_t)(1<<2)) /**< Capture mode */
hexley 0:20a27391f6dc 408 #define QEI_CONF_INVINX ((uint32_t)(1<<3)) /**< Invert index */
hexley 0:20a27391f6dc 409 #define QEI_CONF_BITMASK ((uint32_t)(0x0F)) /**< QEI Configuration register bit-mask */
hexley 0:20a27391f6dc 410
hexley 0:20a27391f6dc 411 /*********************************************************************//**
hexley 0:20a27391f6dc 412 * Macro defines for QEI Status register
hexley 0:20a27391f6dc 413 **********************************************************************/
hexley 0:20a27391f6dc 414 #define QEI_STAT_DIR ((uint32_t)(1<<0)) /**< Direction bit */
hexley 0:20a27391f6dc 415 #define QEI_STAT_BITMASK ((uint32_t)(1<<0)) /**< QEI status register bit-mask */
hexley 0:20a27391f6dc 416
hexley 0:20a27391f6dc 417 /* Quadrature Encoder Interface Interrupt registers definitions --------------------- */
hexley 0:20a27391f6dc 418 /*********************************************************************//**
hexley 0:20a27391f6dc 419 * Macro defines for QEI Interrupt Status register
hexley 0:20a27391f6dc 420 **********************************************************************/
hexley 0:20a27391f6dc 421 #define QEI_INTSTAT_INX_Int ((uint32_t)(1<<0)) /**< Indicates that an index pulse was detected */
hexley 0:20a27391f6dc 422 #define QEI_INTSTAT_TIM_Int ((uint32_t)(1<<1)) /**< Indicates that a velocity timer overflow occurred */
hexley 0:20a27391f6dc 423 #define QEI_INTSTAT_VELC_Int ((uint32_t)(1<<2)) /**< Indicates that capture velocity is less than compare velocity */
hexley 0:20a27391f6dc 424 #define QEI_INTSTAT_DIR_Int ((uint32_t)(1<<3)) /**< Indicates that a change of direction was detected */
hexley 0:20a27391f6dc 425 #define QEI_INTSTAT_ERR_Int ((uint32_t)(1<<4)) /**< Indicates that an encoder phase error was detected */
hexley 0:20a27391f6dc 426 #define QEI_INTSTAT_ENCLK_Int ((uint32_t)(1<<5)) /**< Indicates that and encoder clock pulse was detected */
hexley 0:20a27391f6dc 427 #define QEI_INTSTAT_POS0_Int ((uint32_t)(1<<6)) /**< Indicates that the position 0 compare value is equal to the
hexley 0:20a27391f6dc 428 current position */
hexley 0:20a27391f6dc 429 #define QEI_INTSTAT_POS1_Int ((uint32_t)(1<<7)) /**< Indicates that the position 1compare value is equal to the
hexley 0:20a27391f6dc 430 current position */
hexley 0:20a27391f6dc 431 #define QEI_INTSTAT_POS2_Int ((uint32_t)(1<<8)) /**< Indicates that the position 2 compare value is equal to the
hexley 0:20a27391f6dc 432 current position */
hexley 0:20a27391f6dc 433 #define QEI_INTSTAT_REV_Int ((uint32_t)(1<<9)) /**< Indicates that the index compare value is equal to the current
hexley 0:20a27391f6dc 434 index count */
hexley 0:20a27391f6dc 435 #define QEI_INTSTAT_POS0REV_Int ((uint32_t)(1<<10)) /**< Combined position 0 and revolution count interrupt. Set when
hexley 0:20a27391f6dc 436 both the POS0_Int bit is set and the REV_Int is set */
hexley 0:20a27391f6dc 437 #define QEI_INTSTAT_POS1REV_Int ((uint32_t)(1<<11)) /**< Combined position 1 and revolution count interrupt. Set when
hexley 0:20a27391f6dc 438 both the POS1_Int bit is set and the REV_Int is set */
hexley 0:20a27391f6dc 439 #define QEI_INTSTAT_POS2REV_Int ((uint32_t)(1<<12)) /**< Combined position 2 and revolution count interrupt. Set when
hexley 0:20a27391f6dc 440 both the POS2_Int bit is set and the REV_Int is set */
hexley 0:20a27391f6dc 441 #define QEI_INTSTAT_BITMASK ((uint32_t)(0x1FFF)) /**< QEI Interrupt Status register bit-mask */
hexley 0:20a27391f6dc 442
hexley 0:20a27391f6dc 443 /*********************************************************************//**
hexley 0:20a27391f6dc 444 * Macro defines for QEI Interrupt Set register
hexley 0:20a27391f6dc 445 **********************************************************************/
hexley 0:20a27391f6dc 446 #define QEI_INTSET_INX_Int ((uint32_t)(1<<0)) /**< Set Bit Indicates that an index pulse was detected */
hexley 0:20a27391f6dc 447 #define QEI_INTSET_TIM_Int ((uint32_t)(1<<1)) /**< Set Bit Indicates that a velocity timer overflow occurred */
hexley 0:20a27391f6dc 448 #define QEI_INTSET_VELC_Int ((uint32_t)(1<<2)) /**< Set Bit Indicates that capture velocity is less than compare velocity */
hexley 0:20a27391f6dc 449 #define QEI_INTSET_DIR_Int ((uint32_t)(1<<3)) /**< Set Bit Indicates that a change of direction was detected */
hexley 0:20a27391f6dc 450 #define QEI_INTSET_ERR_Int ((uint32_t)(1<<4)) /**< Set Bit Indicates that an encoder phase error was detected */
hexley 0:20a27391f6dc 451 #define QEI_INTSET_ENCLK_Int ((uint32_t)(1<<5)) /**< Set Bit Indicates that and encoder clock pulse was detected */
hexley 0:20a27391f6dc 452 #define QEI_INTSET_POS0_Int ((uint32_t)(1<<6)) /**< Set Bit Indicates that the position 0 compare value is equal to the
hexley 0:20a27391f6dc 453 current position */
hexley 0:20a27391f6dc 454 #define QEI_INTSET_POS1_Int ((uint32_t)(1<<7)) /**< Set Bit Indicates that the position 1compare value is equal to the
hexley 0:20a27391f6dc 455 current position */
hexley 0:20a27391f6dc 456 #define QEI_INTSET_POS2_Int ((uint32_t)(1<<8)) /**< Set Bit Indicates that the position 2 compare value is equal to the
hexley 0:20a27391f6dc 457 current position */
hexley 0:20a27391f6dc 458 #define QEI_INTSET_REV_Int ((uint32_t)(1<<9)) /**< Set Bit Indicates that the index compare value is equal to the current
hexley 0:20a27391f6dc 459 index count */
hexley 0:20a27391f6dc 460 #define QEI_INTSET_POS0REV_Int ((uint32_t)(1<<10)) /**< Set Bit that combined position 0 and revolution count interrupt */
hexley 0:20a27391f6dc 461 #define QEI_INTSET_POS1REV_Int ((uint32_t)(1<<11)) /**< Set Bit that Combined position 1 and revolution count interrupt */
hexley 0:20a27391f6dc 462 #define QEI_INTSET_POS2REV_Int ((uint32_t)(1<<12)) /**< Set Bit that Combined position 2 and revolution count interrupt */
hexley 0:20a27391f6dc 463 #define QEI_INTSET_BITMASK ((uint32_t)(0x1FFF)) /**< QEI Interrupt Set register bit-mask */
hexley 0:20a27391f6dc 464
hexley 0:20a27391f6dc 465 /*********************************************************************//**
hexley 0:20a27391f6dc 466 * Macro defines for QEI Interrupt Clear register
hexley 0:20a27391f6dc 467 **********************************************************************/
hexley 0:20a27391f6dc 468 #define QEI_INTCLR_INX_Int ((uint32_t)(1<<0)) /**< Clear Bit Indicates that an index pulse was detected */
hexley 0:20a27391f6dc 469 #define QEI_INTCLR_TIM_Int ((uint32_t)(1<<1)) /**< Clear Bit Indicates that a velocity timer overflow occurred */
hexley 0:20a27391f6dc 470 #define QEI_INTCLR_VELC_Int ((uint32_t)(1<<2)) /**< Clear Bit Indicates that capture velocity is less than compare velocity */
hexley 0:20a27391f6dc 471 #define QEI_INTCLR_DIR_Int ((uint32_t)(1<<3)) /**< Clear Bit Indicates that a change of direction was detected */
hexley 0:20a27391f6dc 472 #define QEI_INTCLR_ERR_Int ((uint32_t)(1<<4)) /**< Clear Bit Indicates that an encoder phase error was detected */
hexley 0:20a27391f6dc 473 #define QEI_INTCLR_ENCLK_Int ((uint32_t)(1<<5)) /**< Clear Bit Indicates that and encoder clock pulse was detected */
hexley 0:20a27391f6dc 474 #define QEI_INTCLR_POS0_Int ((uint32_t)(1<<6)) /**< Clear Bit Indicates that the position 0 compare value is equal to the
hexley 0:20a27391f6dc 475 current position */
hexley 0:20a27391f6dc 476 #define QEI_INTCLR_POS1_Int ((uint32_t)(1<<7)) /**< Clear Bit Indicates that the position 1compare value is equal to the
hexley 0:20a27391f6dc 477 current position */
hexley 0:20a27391f6dc 478 #define QEI_INTCLR_POS2_Int ((uint32_t)(1<<8)) /**< Clear Bit Indicates that the position 2 compare value is equal to the
hexley 0:20a27391f6dc 479 current position */
hexley 0:20a27391f6dc 480 #define QEI_INTCLR_REV_Int ((uint32_t)(1<<9)) /**< Clear Bit Indicates that the index compare value is equal to the current
hexley 0:20a27391f6dc 481 index count */
hexley 0:20a27391f6dc 482 #define QEI_INTCLR_POS0REV_Int ((uint32_t)(1<<10)) /**< Clear Bit that combined position 0 and revolution count interrupt */
hexley 0:20a27391f6dc 483 #define QEI_INTCLR_POS1REV_Int ((uint32_t)(1<<11)) /**< Clear Bit that Combined position 1 and revolution count interrupt */
hexley 0:20a27391f6dc 484 #define QEI_INTCLR_POS2REV_Int ((uint32_t)(1<<12)) /**< Clear Bit that Combined position 2 and revolution count interrupt */
hexley 0:20a27391f6dc 485 #define QEI_INTCLR_BITMASK ((uint32_t)(0x1FFF)) /**< QEI Interrupt Clear register bit-mask */
hexley 0:20a27391f6dc 486
hexley 0:20a27391f6dc 487 /*********************************************************************//**
hexley 0:20a27391f6dc 488 * Macro defines for QEI Interrupt Enable register
hexley 0:20a27391f6dc 489 **********************************************************************/
hexley 0:20a27391f6dc 490 #define QEI_INTEN_INX_Int ((uint32_t)(1<<0)) /**< Enabled Interrupt Bit Indicates that an index pulse was detected */
hexley 0:20a27391f6dc 491 #define QEI_INTEN_TIM_Int ((uint32_t)(1<<1)) /**< Enabled Interrupt Bit Indicates that a velocity timer overflow occurred */
hexley 0:20a27391f6dc 492 #define QEI_INTEN_VELC_Int ((uint32_t)(1<<2)) /**< Enabled Interrupt Bit Indicates that capture velocity is less than compare velocity */
hexley 0:20a27391f6dc 493 #define QEI_INTEN_DIR_Int ((uint32_t)(1<<3)) /**< Enabled Interrupt Bit Indicates that a change of direction was detected */
hexley 0:20a27391f6dc 494 #define QEI_INTEN_ERR_Int ((uint32_t)(1<<4)) /**< Enabled Interrupt Bit Indicates that an encoder phase error was detected */
hexley 0:20a27391f6dc 495 #define QEI_INTEN_ENCLK_Int ((uint32_t)(1<<5)) /**< Enabled Interrupt Bit Indicates that and encoder clock pulse was detected */
hexley 0:20a27391f6dc 496 #define QEI_INTEN_POS0_Int ((uint32_t)(1<<6)) /**< Enabled Interrupt Bit Indicates that the position 0 compare value is equal to the
hexley 0:20a27391f6dc 497 current position */
hexley 0:20a27391f6dc 498 #define QEI_INTEN_POS1_Int ((uint32_t)(1<<7)) /**< Enabled Interrupt Bit Indicates that the position 1compare value is equal to the
hexley 0:20a27391f6dc 499 current position */
hexley 0:20a27391f6dc 500 #define QEI_INTEN_POS2_Int ((uint32_t)(1<<8)) /**< Enabled Interrupt Bit Indicates that the position 2 compare value is equal to the
hexley 0:20a27391f6dc 501 current position */
hexley 0:20a27391f6dc 502 #define QEI_INTEN_REV_Int ((uint32_t)(1<<9)) /**< Enabled Interrupt Bit Indicates that the index compare value is equal to the current
hexley 0:20a27391f6dc 503 index count */
hexley 0:20a27391f6dc 504 #define QEI_INTEN_POS0REV_Int ((uint32_t)(1<<10)) /**< Enabled Interrupt Bit that combined position 0 and revolution count interrupt */
hexley 0:20a27391f6dc 505 #define QEI_INTEN_POS1REV_Int ((uint32_t)(1<<11)) /**< Enabled Interrupt Bit that Combined position 1 and revolution count interrupt */
hexley 0:20a27391f6dc 506 #define QEI_INTEN_POS2REV_Int ((uint32_t)(1<<12)) /**< Enabled Interrupt Bit that Combined position 2 and revolution count interrupt */
hexley 0:20a27391f6dc 507 #define QEI_INTEN_BITMASK ((uint32_t)(0x1FFF)) /**< QEI Interrupt Enable register bit-mask */
hexley 0:20a27391f6dc 508
hexley 0:20a27391f6dc 509 /*********************************************************************//**
hexley 0:20a27391f6dc 510 * Macro defines for QEI Interrupt Enable Set register
hexley 0:20a27391f6dc 511 **********************************************************************/
hexley 0:20a27391f6dc 512 #define QEI_IESET_INX_Int ((uint32_t)(1<<0)) /**< Set Enable Interrupt Bit Indicates that an index pulse was detected */
hexley 0:20a27391f6dc 513 #define QEI_IESET_TIM_Int ((uint32_t)(1<<1)) /**< Set Enable Interrupt Bit Indicates that a velocity timer overflow occurred */
hexley 0:20a27391f6dc 514 #define QEI_IESET_VELC_Int ((uint32_t)(1<<2)) /**< Set Enable Interrupt Bit Indicates that capture velocity is less than compare velocity */
hexley 0:20a27391f6dc 515 #define QEI_IESET_DIR_Int ((uint32_t)(1<<3)) /**< Set Enable Interrupt Bit Indicates that a change of direction was detected */
hexley 0:20a27391f6dc 516 #define QEI_IESET_ERR_Int ((uint32_t)(1<<4)) /**< Set Enable Interrupt Bit Indicates that an encoder phase error was detected */
hexley 0:20a27391f6dc 517 #define QEI_IESET_ENCLK_Int ((uint32_t)(1<<5)) /**< Set Enable Interrupt Bit Indicates that and encoder clock pulse was detected */
hexley 0:20a27391f6dc 518 #define QEI_IESET_POS0_Int ((uint32_t)(1<<6)) /**< Set Enable Interrupt Bit Indicates that the position 0 compare value is equal to the
hexley 0:20a27391f6dc 519 current position */
hexley 0:20a27391f6dc 520 #define QEI_IESET_POS1_Int ((uint32_t)(1<<7)) /**< Set Enable Interrupt Bit Indicates that the position 1compare value is equal to the
hexley 0:20a27391f6dc 521 current position */
hexley 0:20a27391f6dc 522 #define QEI_IESET_POS2_Int ((uint32_t)(1<<8)) /**< Set Enable Interrupt Bit Indicates that the position 2 compare value is equal to the
hexley 0:20a27391f6dc 523 current position */
hexley 0:20a27391f6dc 524 #define QEI_IESET_REV_Int ((uint32_t)(1<<9)) /**< Set Enable Interrupt Bit Indicates that the index compare value is equal to the current
hexley 0:20a27391f6dc 525 index count */
hexley 0:20a27391f6dc 526 #define QEI_IESET_POS0REV_Int ((uint32_t)(1<<10)) /**< Set Enable Interrupt Bit that combined position 0 and revolution count interrupt */
hexley 0:20a27391f6dc 527 #define QEI_IESET_POS1REV_Int ((uint32_t)(1<<11)) /**< Set Enable Interrupt Bit that Combined position 1 and revolution count interrupt */
hexley 0:20a27391f6dc 528 #define QEI_IESET_POS2REV_Int ((uint32_t)(1<<12)) /**< Set Enable Interrupt Bit that Combined position 2 and revolution count interrupt */
hexley 0:20a27391f6dc 529 #define QEI_IESET_BITMASK ((uint32_t)(0x1FFF)) /**< QEI Interrupt Enable Set register bit-mask */
hexley 0:20a27391f6dc 530
hexley 0:20a27391f6dc 531 /*********************************************************************//**
hexley 0:20a27391f6dc 532 * Macro defines for QEI Interrupt Enable Clear register
hexley 0:20a27391f6dc 533 **********************************************************************/
hexley 0:20a27391f6dc 534 #define QEI_IECLR_INX_Int ((uint32_t)(1<<0)) /**< Clear Enabled Interrupt Bit Indicates that an index pulse was detected */
hexley 0:20a27391f6dc 535 #define QEI_IECLR_TIM_Int ((uint32_t)(1<<1)) /**< Clear Enabled Interrupt Bit Indicates that a velocity timer overflow occurred */
hexley 0:20a27391f6dc 536 #define QEI_IECLR_VELC_Int ((uint32_t)(1<<2)) /**< Clear Enabled Interrupt Bit Indicates that capture velocity is less than compare velocity */
hexley 0:20a27391f6dc 537 #define QEI_IECLR_DIR_Int ((uint32_t)(1<<3)) /**< Clear Enabled Interrupt Bit Indicates that a change of direction was detected */
hexley 0:20a27391f6dc 538 #define QEI_IECLR_ERR_Int ((uint32_t)(1<<4)) /**< Clear Enabled Interrupt Bit Indicates that an encoder phase error was detected */
hexley 0:20a27391f6dc 539 #define QEI_IECLR_ENCLK_Int ((uint32_t)(1<<5)) /**< Clear Enabled Interrupt Bit Indicates that and encoder clock pulse was detected */
hexley 0:20a27391f6dc 540 #define QEI_IECLR_POS0_Int ((uint32_t)(1<<6)) /**< Clear Enabled Interrupt Bit Indicates that the position 0 compare value is equal to the
hexley 0:20a27391f6dc 541 current position */
hexley 0:20a27391f6dc 542 #define QEI_IECLR_POS1_Int ((uint32_t)(1<<7)) /**< Clear Enabled Interrupt Bit Indicates that the position 1compare value is equal to the
hexley 0:20a27391f6dc 543 current position */
hexley 0:20a27391f6dc 544 #define QEI_IECLR_POS2_Int ((uint32_t)(1<<8)) /**< Clear Enabled Interrupt Bit Indicates that the position 2 compare value is equal to the
hexley 0:20a27391f6dc 545 current position */
hexley 0:20a27391f6dc 546 #define QEI_IECLR_REV_Int ((uint32_t)(1<<9)) /**< Clear Enabled Interrupt Bit Indicates that the index compare value is equal to the current
hexley 0:20a27391f6dc 547 index count */
hexley 0:20a27391f6dc 548 #define QEI_IECLR_POS0REV_Int ((uint32_t)(1<<10)) /**< Clear Enabled Interrupt Bit that combined position 0 and revolution count interrupt */
hexley 0:20a27391f6dc 549 #define QEI_IECLR_POS1REV_Int ((uint32_t)(1<<11)) /**< Clear Enabled Interrupt Bit that Combined position 1 and revolution count interrupt */
hexley 0:20a27391f6dc 550 #define QEI_IECLR_POS2REV_Int ((uint32_t)(1<<12)) /**< Clear Enabled Interrupt Bit that Combined position 2 and revolution count interrupt */
hexley 0:20a27391f6dc 551 #define QEI_IECLR_BITMASK ((uint32_t)(0x1FFF)) /**< QEI Interrupt Enable Clear register bit-mask */
hexley 0:20a27391f6dc 552
hexley 0:20a27391f6dc 553 /*********************************************************************//**
hexley 0:20a27391f6dc 554 * Macro defines for PCONP register QEI-related bits
hexley 0:20a27391f6dc 555 **********************************************************************/
hexley 0:20a27391f6dc 556 #define PCONP_QEI_ENABLE ((uint32_t)(1<<18)) /**< QEI peripheral power enable bit */
hexley 0:20a27391f6dc 557 #define PCONP_QEI_DISABLE ~((uint32_t)(1<<18)) /**< QEI peripheral power disable bit-mask */
hexley 0:20a27391f6dc 558
hexley 0:20a27391f6dc 559 /*********************************************************************//**
hexley 0:20a27391f6dc 560 * Macro defines for PCLKSELx register QEI-related bits
hexley 0:20a27391f6dc 561 **********************************************************************/
hexley 0:20a27391f6dc 562 #define PCLKSEL_CCLK_DIV_1 1UL /**< Set PCLK to CCLK/1 */
hexley 0:20a27391f6dc 563 #define PCLKSEL_CCLK_DIV_2 2UL /**< Set PCLK to CCLK/2 */
hexley 0:20a27391f6dc 564 #define PCLKSEL_CCLK_DIV_4 0UL /**< Set PCLK to CCLK/4 */
hexley 0:20a27391f6dc 565 #define PCLKSEL_CCLK_DIV_8 3UL /**< Set PCLK to CCLK/8 */
hexley 0:20a27391f6dc 566 #define PCLKSEL1_PCLK_QEI_MASK ((uint32_t)(3<<0)) /**< PCLK_QEI PCLK_QEI bit field mask */
hexley 0:20a27391f6dc 567 /*********************************************************************//**
hexley 0:20a27391f6dc 568 * Macro defines for PINSEL3 register QEI-related bits
hexley 0:20a27391f6dc 569 **********************************************************************/
hexley 0:20a27391f6dc 570 #define PINSEL3_MCI0 ((uint32_t)(1<<8)) /**< MCIO (PhA) pin select */
hexley 0:20a27391f6dc 571 #define PINSEL3_MCI0_MASK ~((uint32_t)(3<<8)) /**< MCIO (PhA) pin mask */
hexley 0:20a27391f6dc 572 #define PINSEL3_MCI1 ((uint32_t)(1<<14)) /**< MCI1 (PhB) pin select */
hexley 0:20a27391f6dc 573 #define PINSEL3_MCI1_MASK ~((uint32_t)(3<<14)) /**< MCI2 (PhB) pin mask */
hexley 0:20a27391f6dc 574 #define PINSEL3_MCI2 ((uint32_t)(1<<16)) /**< MCI2 (Index) pin select */
hexley 0:20a27391f6dc 575 #define PINSEL3_MCI2_MASK ~((uint32_t)(3<<16)) /**< MCI2 (Index) pin mask */
hexley 0:20a27391f6dc 576
hexley 0:20a27391f6dc 577 /*********************************************************************//**
hexley 0:20a27391f6dc 578 * Macro defines for PINMODE3 register QEI-related bits
hexley 0:20a27391f6dc 579 **********************************************************************/
hexley 0:20a27391f6dc 580 #define PIN_PULL_UP 0UL
hexley 0:20a27391f6dc 581 #define PIN_REPEATER 1UL
hexley 0:20a27391f6dc 582 #define PIN_NORESISTOR 2UL
hexley 0:20a27391f6dc 583 #define PIN_PULL_DOWN 3UL
hexley 0:20a27391f6dc 584
hexley 0:20a27391f6dc 585 #define PINMODE3_MCI0 ((uint32_t)(PIN_NORESISTOR<<8)) /**< MCIO (PhA) resistor selection */
hexley 0:20a27391f6dc 586 #define PINMODE3_GPIO1p20 ((uint32_t)(PIN_PULL_DOWN<<8)) /**< GPIO 1.20) resistor selection */
hexley 0:20a27391f6dc 587 #define PINMODE3_MCI0_MASK ~((uint32_t)(3<<8)) /**< MCIO (PhA) resistor mask */
hexley 0:20a27391f6dc 588
hexley 0:20a27391f6dc 589 #define PINMODE3_MCI1 ((uint32_t)(PIN_NORESISTOR<<14)) /**< MCI1 (PhB) resistor selection */
hexley 0:20a27391f6dc 590 #define PINMODE3_GPIO1p23 ((uint32_t)(PIN_PULL_DOWN<<14)) /**< GPIO 1.23) resistor selection */
hexley 0:20a27391f6dc 591 #define PINMODE3_MCI1_MASK ~((uint32_t)(3<<14)) /**< MCI1 (PhB) resistor mask */
hexley 0:20a27391f6dc 592
hexley 0:20a27391f6dc 593 #define PINMODE3_MCI2 ((uint32_t)(PIN_PULL_UP<<16)) /**< MCI2 (Index) resistor selection */
hexley 0:20a27391f6dc 594 #define PINMODE3_GPIO1p24 ((uint32_t)(PIN_PULL_DOWN<<16)) /**< GPIO 1.24) resistor selection */
hexley 0:20a27391f6dc 595 #define PINMODE3_MCI2_MASK ~((uint32_t)(3<<16)) /**< MCI2 (Index) resistor mask */
hexley 0:20a27391f6dc 596
hexley 0:20a27391f6dc 597 };
hexley 0:20a27391f6dc 598
hexley 0:20a27391f6dc 599
hexley 0:20a27391f6dc 600 #endif /* MBED_QEI_H */
hexley 0:20a27391f6dc 601 /* --------------------------------- End Of File ------------------------------ */