1 //*****************************************************************************
2 //
3 // timer.h - Prototypes for the timer module
4 //
5 // Copyright (c) 2005-2017 Texas Instruments Incorporated.  All rights reserved.
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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