1 //***************************************************************************** 2 // 3 // timer.h - Prototypes for the timer module 4 // 5 // Copyright (c) 2005-2017 Texas Instruments Incorporated. All rights reserved. 6 // Software License Agreement 7 // 8 // Redistribution and use in source and binary forms, with or without 9 // modification, are permitted provided that the following conditions 10 // are met: 11 // 12 // Redistributions of source code must retain the above copyright 13 // notice, this list of conditions and the following disclaimer. 14 // 15 // Redistributions in binary form must reproduce the above copyright 16 // notice, this list of conditions and the following disclaimer in the 17 // documentation and/or other materials provided with the 18 // distribution. 19 // 20 // Neither the name of Texas Instruments Incorporated nor the names of 21 // its contributors may be used to endorse or promote products derived 22 // from this software without specific prior written permission. 23 // 24 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 25 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 26 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 27 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 28 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 29 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 30 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 32 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 34 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 // 36 //***************************************************************************** 37 38 #ifndef __DRIVERLIB_TIMER_H__ 39 #define __DRIVERLIB_TIMER_H__ 40 41 #include <stdint.h> 42 #include <stdbool.h> 43 44 //***************************************************************************** 45 // 46 // If building with a C++ compiler, make all of the definitions in this header 47 // have a C binding. 48 // 49 //***************************************************************************** 50 #ifdef __cplusplus 51 extern "C" 52 { 53 #endif 54 55 //***************************************************************************** 56 // 57 // Values that can be passed to TimerConfigure as the ui32Config parameter. 58 // 59 //***************************************************************************** 60 #define TIMER_CFG_ONE_SHOT 0x00000021 // Full-width one-shot timer 61 #define TIMER_CFG_ONE_SHOT_UP 0x00000031 // Full-width one-shot up-count 62 // timer 63 #define TIMER_CFG_PERIODIC 0x00000022 // Full-width periodic timer 64 #define TIMER_CFG_PERIODIC_UP 0x00000032 // Full-width periodic up-count 65 // timer 66 #define TIMER_CFG_RTC 0x01000000 // Full-width RTC timer 67 #define TIMER_CFG_SPLIT_PAIR 0x04000000 // Two half-width timers 68 #define TIMER_CFG_A_ONE_SHOT 0x00000021 // Timer A one-shot timer 69 #define TIMER_CFG_A_ONE_SHOT_UP 0x00000031 // Timer A one-shot up-count timer 70 #define TIMER_CFG_A_PERIODIC 0x00000022 // Timer A periodic timer 71 #define TIMER_CFG_A_PERIODIC_UP 0x00000032 // Timer A periodic up-count timer 72 #define TIMER_CFG_A_CAP_COUNT 0x00000003 // Timer A event counter 73 #define TIMER_CFG_A_CAP_COUNT_UP 0x00000013 // Timer A event up-counter 74 #define TIMER_CFG_A_CAP_TIME 0x00000007 // Timer A event timer 75 #define TIMER_CFG_A_CAP_TIME_UP 0x00000017 // Timer A event up-count timer 76 #define TIMER_CFG_A_PWM 0x0000000A // Timer A PWM output 77 #define TIMER_CFG_B_ONE_SHOT 0x00002100 // Timer B one-shot timer 78 #define TIMER_CFG_B_ONE_SHOT_UP 0x00003100 // Timer B one-shot up-count timer 79 #define TIMER_CFG_B_PERIODIC 0x00002200 // Timer B periodic timer 80 #define TIMER_CFG_B_PERIODIC_UP 0x00003200 // Timer B periodic up-count timer 81 #define TIMER_CFG_B_CAP_COUNT 0x00000300 // Timer B event counter 82 #define TIMER_CFG_B_CAP_COUNT_UP 0x00001300 // Timer B event up-counter 83 #define TIMER_CFG_B_CAP_TIME 0x00000700 // Timer B event timer 84 #define TIMER_CFG_B_CAP_TIME_UP 0x00001700 // Timer B event up-count timer 85 #define TIMER_CFG_B_PWM 0x00000A00 // Timer B PWM output 86 #define TIMER_CFG_A_ACT_TOINTD 0x00010000 // Timer A compare action disable 87 // time-out interrupt. 88 #define TIMER_CFG_A_ACT_NONE 0x00000000 // Timer A compare action none. 89 #define TIMER_CFG_A_ACT_TOGGLE 0x00020000 // Timer A compare action toggle. 90 #define TIMER_CFG_A_ACT_CLRTO 0x00040000 // Timer A compare action CCP 91 // clear on time-out. 92 #define TIMER_CFG_A_ACT_SETTO 0x00060000 // Timer A compare action CCP set 93 // on time-out. 94 #define TIMER_CFG_A_ACT_SETTOGTO 0x00080000 // Timer A compare action set CCP 95 // toggle on time-out. 96 #define TIMER_CFG_A_ACT_CLRTOGTO 0x000A0000 // Timer A compare action clear 97 // CCP toggle on time-out. 98 #define TIMER_CFG_A_ACT_SETCLRTO 0x000C0000 // Timer A compare action set CCP 99 // clear on time-out. 100 #define TIMER_CFG_A_ACT_CLRSETTO 0x000E0000 // Timer A compare action clear 101 // CCP set on time-out. 102 #define TIMER_CFG_B_ACT_TOINTD 0x00100000 // Timer B compare action disable 103 // time-out interrupt. 104 #define TIMER_CFG_B_ACT_NONE 0x00000000 // Timer A compare action none. 105 #define TIMER_CFG_B_ACT_TOGGLE 0x00200000 // Timer A compare action toggle. 106 #define TIMER_CFG_B_ACT_CLRTO 0x00400000 // Timer A compare action CCP 107 // clear on time-out. 108 #define TIMER_CFG_B_ACT_SETTO 0x00600000 // Timer A compare action CCP set 109 // on time-out. 110 #define TIMER_CFG_B_ACT_SETTOGTO 0x00800000 // Timer A compare action set CCP 111 // toggle on time-out. 112 #define TIMER_CFG_B_ACT_CLRTOGTO 0x00A00000 // Timer A compare action clear 113 // CCP toggle on time-out. 114 #define TIMER_CFG_B_ACT_SETCLRTO 0x00C00000 // Timer A compare action set CCP 115 // clear on time-out. 116 #define TIMER_CFG_B_ACT_CLRSETTO 0x0000E000 // Timer A compare action clear 117 // CCP set on time-out. 118 119 //***************************************************************************** 120 // 121 // Values that can be passed to TimerIntEnable, TimerIntDisable, and 122 // TimerIntClear as the ui32IntFlags parameter, and returned from 123 // TimerIntStatus. 124 // 125 //***************************************************************************** 126 #define TIMER_TIMB_DMA 0x00002000 // TimerB DMA Complete Interrupt. 127 #define TIMER_TIMB_MATCH 0x00000800 // TimerB match interrupt 128 #define TIMER_CAPB_EVENT 0x00000400 // CaptureB event interrupt 129 #define TIMER_CAPB_MATCH 0x00000200 // CaptureB match interrupt 130 #define TIMER_TIMB_TIMEOUT 0x00000100 // TimerB time out interrupt 131 #define TIMER_TIMA_DMA 0x00000020 // TimerA DMA Complete Interrupt. 132 #define TIMER_TIMA_MATCH 0x00000010 // TimerA match interrupt 133 #define TIMER_RTC_MATCH 0x00000008 // RTC interrupt mask 134 #define TIMER_CAPA_EVENT 0x00000004 // CaptureA event interrupt 135 #define TIMER_CAPA_MATCH 0x00000002 // CaptureA match interrupt 136 #define TIMER_TIMA_TIMEOUT 0x00000001 // TimerA time out interrupt 137 138 //***************************************************************************** 139 // 140 // Values that can be passed to TimerControlEvent as the ui32Event parameter. 141 // 142 //***************************************************************************** 143 #define TIMER_EVENT_POS_EDGE 0x00000000 // Count positive edges 144 #define TIMER_EVENT_NEG_EDGE 0x00000404 // Count negative edges 145 #define TIMER_EVENT_BOTH_EDGES 0x00000C0C // Count both edges 146 147 //***************************************************************************** 148 // 149 // Values that can be passed to most of the timer APIs as the ui32Timer 150 // parameter. 151 // 152 //***************************************************************************** 153 #define TIMER_A 0x000000ff // Timer A 154 #define TIMER_B 0x0000ff00 // Timer B 155 #define TIMER_BOTH 0x0000ffff // Timer Both 156 157 //***************************************************************************** 158 // 159 // Values that can be passed to TimerSynchronize as the ui32Timers parameter. 160 // 161 //***************************************************************************** 162 #define TIMER_0A_SYNC 0x00000001 // Synchronize Timer 0A 163 #define TIMER_0B_SYNC 0x00000002 // Synchronize Timer 0B 164 #define TIMER_1A_SYNC 0x00000004 // Synchronize Timer 1A 165 #define TIMER_1B_SYNC 0x00000008 // Synchronize Timer 1B 166 #define TIMER_2A_SYNC 0x00000010 // Synchronize Timer 2A 167 #define TIMER_2B_SYNC 0x00000020 // Synchronize Timer 2B 168 #define TIMER_3A_SYNC 0x00000040 // Synchronize Timer 3A 169 #define TIMER_3B_SYNC 0x00000080 // Synchronize Timer 3B 170 #define TIMER_4A_SYNC 0x00000100 // Synchronize Timer 4A 171 #define TIMER_4B_SYNC 0x00000200 // Synchronize Timer 4B 172 #define TIMER_5A_SYNC 0x00000400 // Synchronize Timer 5A 173 #define TIMER_5B_SYNC 0x00000800 // Synchronize Timer 5B 174 #define TIMER_6A_SYNC 0x00001000 // Synchronize Timer 6A 175 #define TIMER_6B_SYNC 0x00002000 // Synchronize Timer 6B 176 #define TIMER_7A_SYNC 0x00004000 // Synchronize Timer 7A 177 #define TIMER_7B_SYNC 0x00008000 // Synchronize Timer 7B 178 179 //***************************************************************************** 180 // 181 // Values that can be passed to TimerClockSourceSet() or returned from 182 // TimerClockSourceGet(). 183 // 184 //***************************************************************************** 185 #define TIMER_CLOCK_SYSTEM 0x00000000 186 #define TIMER_CLOCK_PIOSC 0x00000001 187 188 //***************************************************************************** 189 // 190 // Values that can be passed to TimerDMAEventSet() or returned from 191 // TimerDMAEventGet(). 192 // 193 //***************************************************************************** 194 #define TIMER_DMA_MODEMATCH_B 0x00000800 195 #define TIMER_DMA_CAPEVENT_B 0x00000400 196 #define TIMER_DMA_CAPMATCH_B 0x00000200 197 #define TIMER_DMA_TIMEOUT_B 0x00000100 198 #define TIMER_DMA_MODEMATCH_A 0x00000010 199 #define TIMER_DMA_RTC_A 0x00000008 200 #define TIMER_DMA_CAPEVENT_A 0x00000004 201 #define TIMER_DMA_CAPMATCH_A 0x00000002 202 #define TIMER_DMA_TIMEOUT_A 0x00000001 203 204 //***************************************************************************** 205 // 206 // Values that can be passed to TimerADCEventSet() or returned from 207 // TimerADCEventGet(). 208 // 209 //***************************************************************************** 210 #define TIMER_ADC_MODEMATCH_B 0x00000800 211 #define TIMER_ADC_CAPEVENT_B 0x00000400 212 #define TIMER_ADC_CAPMATCH_B 0x00000200 213 #define TIMER_ADC_TIMEOUT_B 0x00000100 214 #define TIMER_ADC_MODEMATCH_A 0x00000010 215 #define TIMER_ADC_RTC_A 0x00000008 216 #define TIMER_ADC_CAPEVENT_A 0x00000004 217 #define TIMER_ADC_CAPMATCH_A 0x00000002 218 #define TIMER_ADC_TIMEOUT_A 0x00000001 219 220 //***************************************************************************** 221 // 222 // Values that can be passed to TimerUpdateMode(). 223 // 224 //***************************************************************************** 225 #define TIMER_UP_LOAD_IMMEDIATE 0x00000000 226 #define TIMER_UP_LOAD_TIMEOUT 0x00000100 227 #define TIMER_UP_MATCH_IMMEDIATE \ 228 0x00000000 229 #define TIMER_UP_MATCH_TIMEOUT 0x00000400 230 231 //***************************************************************************** 232 // 233 // Prototypes for the APIs. 234 // 235 //***************************************************************************** 236 extern void TimerEnable(uint32_t ui32Base, uint32_t ui32Timer); 237 extern void TimerDisable(uint32_t ui32Base, uint32_t ui32Timer); 238 extern void TimerConfigure(uint32_t ui32Base, uint32_t ui32Config); 239 extern void TimerControlLevel(uint32_t ui32Base, uint32_t ui32Timer, 240 bool bInvert); 241 extern void TimerControlTrigger(uint32_t ui32Base, uint32_t ui32Timer, 242 bool bEnable); 243 extern void TimerControlEvent(uint32_t ui32Base, uint32_t ui32Timer, 244 uint32_t ui32Event); 245 extern void TimerControlStall(uint32_t ui32Base, uint32_t ui32Timer, 246 bool bStall); 247 extern void TimerControlWaitOnTrigger(uint32_t ui32Base, uint32_t ui32Timer, 248 bool bWait); 249 extern void TimerRTCEnable(uint32_t ui32Base); 250 extern void TimerRTCDisable(uint32_t ui32Base); 251 extern void TimerPrescaleSet(uint32_t ui32Base, uint32_t ui32Timer, 252 uint32_t ui32Value); 253 extern uint32_t TimerPrescaleGet(uint32_t ui32Base, uint32_t ui32Timer); 254 extern void TimerPrescaleMatchSet(uint32_t ui32Base, uint32_t ui32Timer, 255 uint32_t ui32Value); 256 extern uint32_t TimerPrescaleMatchGet(uint32_t ui32Base, uint32_t ui32Timer); 257 extern void TimerLoadSet(uint32_t ui32Base, uint32_t ui32Timer, 258 uint32_t ui32Value); 259 extern uint32_t TimerLoadGet(uint32_t ui32Base, uint32_t ui32Timer); 260 extern uint32_t TimerValueGet(uint32_t ui32Base, uint32_t ui32Timer); 261 extern void TimerMatchSet(uint32_t ui32Base, uint32_t ui32Timer, 262 uint32_t ui32Value); 263 extern uint32_t TimerMatchGet(uint32_t ui32Base, uint32_t ui32Timer); 264 extern void TimerIntRegister(uint32_t ui32Base, uint32_t ui32Timer, 265 void (*pfnHandler)(void)); 266 extern void TimerIntUnregister(uint32_t ui32Base, uint32_t ui32Timer); 267 extern void TimerIntEnable(uint32_t ui32Base, uint32_t ui32IntFlags); 268 extern void TimerIntDisable(uint32_t ui32Base, uint32_t ui32IntFlags); 269 extern uint32_t TimerIntStatus(uint32_t ui32Base, bool bMasked); 270 extern void TimerIntClear(uint32_t ui32Base, uint32_t ui32IntFlags); 271 extern void TimerSynchronize(uint32_t ui32Base, uint32_t ui32Timers); 272 extern uint32_t TimerClockSourceGet(uint32_t ui32Base); 273 extern void TimerClockSourceSet(uint32_t ui32Base, uint32_t ui32Source); 274 extern uint32_t TimerADCEventGet(uint32_t ui32Base); 275 extern void TimerADCEventSet(uint32_t ui32Base, uint32_t ui32ADCEvent); 276 extern uint32_t TimerDMAEventGet(uint32_t ui32Base); 277 extern void TimerDMAEventSet(uint32_t ui32Base, uint32_t ui32DMAEvent); 278 extern void TimerUpdateMode(uint32_t ui32Base, uint32_t ui32Timer, 279 uint32_t ui32Config); 280 //***************************************************************************** 281 // 282 // Mark the end of the C bindings section for C++ compilers. 283 // 284 //***************************************************************************** 285 #ifdef __cplusplus 286 } 287 #endif 288 289 #endif // __DRIVERLIB_TIMER_H__ 290