1 /* 2 * Trace Recorder for Tracealyzer v4.6.6 3 * Copyright 2021 Percepio AB 4 * www.percepio.com 5 * 6 * SPDX-License-Identifier: Apache-2.0 7 * 8 * The implementation of timestamps. 9 */ 10 11 #include <trcRecorder.h> 12 13 #if (TRC_USE_TRACEALYZER_RECORDER == 1) 14 15 #if (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING) 16 17 TraceTimestamp_t *pxTraceTimestamp; 18 xTraceTimestampInitialize(TraceTimestampBuffer_t * pxBuffer)19traceResult xTraceTimestampInitialize(TraceTimestampBuffer_t *pxBuffer) 20 { 21 TRC_ASSERT_EQUAL_SIZE(TraceTimestampBuffer_t, TraceTimestamp_t); 22 23 /* This should never fail */ 24 TRC_ASSERT(pxBuffer != 0); 25 26 pxTraceTimestamp = (TraceTimestamp_t*)pxBuffer; 27 28 /* These will be set when tracing is enabled */ 29 pxTraceTimestamp->frequency = 0; 30 pxTraceTimestamp->period = 0; 31 32 pxTraceTimestamp->osTickHz = TRC_TICK_RATE_HZ; 33 pxTraceTimestamp->osTickCount = 0; 34 pxTraceTimestamp->wraparounds = 0; 35 pxTraceTimestamp->type = TRC_HWTC_TYPE; 36 37 #if (TRC_HWTC_TYPE == TRC_FREE_RUNNING_32BIT_INCR || TRC_HWTC_TYPE == TRC_CUSTOM_TIMER_INCR || TRC_HWTC_TYPE == TRC_OS_TIMER_INCR) 38 pxTraceTimestamp->latestTimestamp = 0; 39 #elif (TRC_HWTC_TYPE == TRC_FREE_RUNNING_32BIT_DECR || TRC_HWTC_TYPE == TRC_CUSTOM_TIMER_DECR || TRC_HWTC_TYPE == TRC_OS_TIMER_DECR) 40 pxTraceTimestamp->latestTimestamp = pxTraceTimestamp->period - 1; 41 #endif 42 43 xTraceSetComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP); 44 45 return TRC_SUCCESS; 46 } 47 48 #if ((TRC_CFG_USE_TRACE_ASSERT) == 1) 49 xTraceTimestampGet(uint32_t * puiTimestamp)50traceResult xTraceTimestampGet(uint32_t *puiTimestamp) 51 { 52 /* This should never fail */ 53 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP)); 54 55 /* This should never fail */ 56 TRC_ASSERT(puiTimestamp != 0); 57 58 switch (pxTraceTimestamp->type) 59 { 60 case TRC_FREE_RUNNING_32BIT_INCR: 61 case TRC_CUSTOM_TIMER_INCR: 62 *puiTimestamp = TRC_HWTC_COUNT; 63 if (*puiTimestamp < pxTraceTimestamp->latestTimestamp) 64 { 65 pxTraceTimestamp->wraparounds++; 66 } 67 break; 68 case TRC_FREE_RUNNING_32BIT_DECR: 69 case TRC_CUSTOM_TIMER_DECR: 70 *puiTimestamp = TRC_HWTC_COUNT; 71 if (*puiTimestamp > pxTraceTimestamp->latestTimestamp) 72 { 73 pxTraceTimestamp->wraparounds++; 74 } 75 break; 76 case TRC_OS_TIMER_INCR: 77 case TRC_OS_TIMER_DECR: 78 *puiTimestamp = ((TRC_HWTC_COUNT) & 0x00FFFFFFU) + ((pxTraceTimestamp->osTickCount & 0x000000FFU) << 24); 79 pxTraceTimestamp->wraparounds = pxTraceTimestamp->osTickCount; 80 break; 81 default: 82 return TRC_FAIL; 83 } 84 85 pxTraceTimestamp->latestTimestamp = *puiTimestamp; 86 87 return TRC_SUCCESS; 88 } 89 xTraceTimestampGetWraparounds(uint32_t * puiTimerWraparounds)90traceResult xTraceTimestampGetWraparounds(uint32_t* puiTimerWraparounds) 91 { 92 /* This should never fail */ 93 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP)); 94 95 /* This should never fail */ 96 TRC_ASSERT(puiTimerWraparounds != 0); 97 98 *puiTimerWraparounds = pxTraceTimestamp->wraparounds; 99 100 return TRC_SUCCESS; 101 } 102 xTraceTimestampSetFrequency(TraceUnsignedBaseType_t uxFrequency)103traceResult xTraceTimestampSetFrequency(TraceUnsignedBaseType_t uxFrequency) 104 { 105 /* This should never fail */ 106 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP)); 107 108 pxTraceTimestamp->frequency = uxFrequency; 109 110 return TRC_SUCCESS; 111 } 112 xTraceTimestampSetPeriod(uint32_t uiPeriod)113traceResult xTraceTimestampSetPeriod(uint32_t uiPeriod) 114 { 115 /* This should never fail */ 116 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP)); 117 118 pxTraceTimestamp->period = uiPeriod; 119 120 return TRC_SUCCESS; 121 } 122 xTraceTimestampSetOsTickCount(uint32_t uiOsTickCount)123traceResult xTraceTimestampSetOsTickCount(uint32_t uiOsTickCount) 124 { 125 /* This should never fail */ 126 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP)); 127 128 pxTraceTimestamp->osTickCount = uiOsTickCount; 129 130 return TRC_SUCCESS; 131 } 132 xTraceTimestampGetFrequency(TraceUnsignedBaseType_t * puxFrequency)133traceResult xTraceTimestampGetFrequency(TraceUnsignedBaseType_t *puxFrequency) 134 { 135 /* This should never fail */ 136 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP)); 137 138 /* This should never fail */ 139 TRC_ASSERT(puxFrequency != 0); 140 141 *puxFrequency = pxTraceTimestamp->frequency; 142 143 return TRC_SUCCESS; 144 } 145 xTraceTimestampGetPeriod(uint32_t * puiPeriod)146traceResult xTraceTimestampGetPeriod(uint32_t *puiPeriod) 147 { 148 /* This should never fail */ 149 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP)); 150 151 /* This should never fail */ 152 TRC_ASSERT(puiPeriod != 0); 153 154 *puiPeriod = pxTraceTimestamp->period; 155 156 return TRC_SUCCESS; 157 } 158 xTraceTimestampGetOsTickCount(uint32_t * puiOsTickCount)159traceResult xTraceTimestampGetOsTickCount(uint32_t* puiOsTickCount) 160 { 161 /* This should never fail */ 162 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_TIMESTAMP)); 163 164 /* This should never fail */ 165 TRC_ASSERT(puiOsTickCount != 0); 166 167 *puiOsTickCount = pxTraceTimestamp->osTickCount; 168 169 return TRC_SUCCESS; 170 } 171 172 #endif /* ((TRC_CFG_USE_TRACE_ASSERT) == 1) */ 173 174 #endif /* (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING) */ 175 176 #endif /* (TRC_USE_TRACEALYZER_RECORDER == 1) */ 177
