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fsl_pit_hal.c
Go to the documentation of this file.
1 /*
2 * Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * o Redistributions of source code must retain the above copyright notice, this list
9 * of conditions and the following disclaimer.
10 *
11 * o Redistributions in binary form must reproduce the above copyright notice, this
12 * list of conditions and the following disclaimer in the documentation and/or
13 * other materials provided with the distribution.
14 *
15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from this
17 * software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "fsl_pit_hal.h"
32 #include "BM_pit_instance.h"
33 #include "fsl_pit_features.h"
34 #include "isf_fsl_TU_PEx.h"
35 #include "PIT_PDD.h"
36
37 /*******************************************************************************
38 * Code
39 ******************************************************************************/
40
41 void pit_hal_enable(void)
42 {
43 // BW_PIT_MCR_MDIS(0U);
44 }
45
46 void pit_hal_disable(void)
47 {
48 // BW_PIT_MCR_MDIS(1U);
49 }
50
51 void pit_hal_configure_timer_run_in_debug(bool timerRun)
52 {
53 // BW_PIT_MCR_FRZ(!timerRun);
54 }
55
56 void pit_hal_timer_start(uint32_t timer)
57 {
58 TU_instance_tbl[timer].fnTULDDEnable(NULL);
59 }
60
61 void pit_hal_timer_stop(uint32_t timer)
62 {
63 TU_instance_tbl[timer].fnTULDDDisable(NULL);
64 }
65
66 void pit_hal_timer_reset(uint32_t timer)
67 {
68 TU_instance_tbl[timer].fnTULDDResetCounter(NULL);
69 }
70
71 void pit_hal_set_timer_period_count(uint32_t timer, uint32_t count)
72 {
73 TU_instance_tbl[timer].fnTULDDSetPeriod(NULL,count);
74 }
75
76 uint32_t pit_hal_read_timer_period_count(uint32_t timer)
77 {
78 uint32_t count;
79 TU_instance_tbl[timer].fnTULDDGetPeriod(NULL,&count);
80 return count;
81 }
82
83 uint32_t pit_hal_read_timer_count(uint32_t timer)
84 {
85 uint32_t LDVal, CNTVal;
86
87 TU_instance_tbl[timer].fnTULDDGetPeriod(NULL,&LDVal);
88 CNTVal = TU_instance_tbl[timer].fnTULDDGetCounter(NULL);
89 return (LDVal - CNTVal);
90 }
91
92 void pit_hal_configure_interrupt(uint32_t timer, bool enable)
93 {
94 // BW_PIT_TCTRLn_TIE(timer, enable);
95 if (enable)
96 {
97 PIT_PDD_EnableInterrupt(PIT_BASE_PTR,timer);
98 }
99 else
100 {
101 PIT_PDD_DisableInterrupt(PIT_BASE_PTR,timer);
102 }
103 }
104
105 void pit_hal_clear_interrupt_flag(uint32_t timer)
106 {
107 /* Write 1 will clear the flag. */
108 // HW_PIT_TFLGn_WR(timer, 1U);
109 PIT_PDD_ClearInterruptFlag(PIT_BASE_PTR,timer);
110 }
111
112 bool pit_hal_is_timeout_occurred(uint32_t timer)
113 {
114 return 0;
115 }
116
117 /*******************************************************************************
118 * EOF
119 ******************************************************************************/
120
121
122
pit_hal_configure_interrupt
void pit_hal_configure_interrupt(uint32_t timer, bool enable)
Enable or disable timer interrupt.
Definition: fsl_pit_hal.c:92
pit_hal_timer_stop
void pit_hal_timer_stop(uint32_t timer)
Stop timer counting.
Definition: fsl_pit_hal.c:61
fsl_pit_features.h
TU_instance_PEx_t::fnTULDDDisable
fnTUDisable_t fnTULDDDisable
Definition: isf_fsl_TU_PEx.h:59
pit_hal_configure_timer_run_in_debug
void pit_hal_configure_timer_run_in_debug(bool timerRun)
Configure timers to continue to run or stop in debug mode.
Definition: fsl_pit_hal.c:51
BM_pit_instance.h
pit_hal_set_timer_period_count
void pit_hal_set_timer_period_count(uint32_t timer, uint32_t count)
Set timer period in units of count.
Definition: fsl_pit_hal.c:71
isf_fsl_TU_PEx.h
TU_instance_PEx_t::fnTULDDResetCounter
fnTUResetCounter_t fnTULDDResetCounter
Definition: isf_fsl_TU_PEx.h:62
pit_hal_read_timer_count
uint32_t pit_hal_read_timer_count(uint32_t timer)
Read current timer counting value.
Definition: fsl_pit_hal.c:83
pit_hal_is_timeout_occurred
bool pit_hal_is_timeout_occurred(uint32_t timer)
Read current timer timeout flag.
Definition: fsl_pit_hal.c:112
fsl_pit_hal.h
TU_instance_PEx_t::fnTULDDGetCounter
fnTUGetCounterValue_t fnTULDDGetCounter
Definition: isf_fsl_TU_PEx.h:63
pit_hal_clear_interrupt_flag
void pit_hal_clear_interrupt_flag(uint32_t timer)
Clear timer interrupt flag.
Definition: fsl_pit_hal.c:105
TU_instance_PEx_t::fnTULDDSetPeriod
fnTUSetPeriodTicks_t fnTULDDSetPeriod
Definition: isf_fsl_TU_PEx.h:60
pit_hal_timer_start
void pit_hal_timer_start(uint32_t timer)
Start timer counting.
Definition: fsl_pit_hal.c:56
pit_hal_timer_reset
void pit_hal_timer_reset(uint32_t timer)
Start timer counting.
Definition: fsl_pit_hal.c:66
pit_hal_enable
void pit_hal_enable(void)
Enable PIT module.
Definition: fsl_pit_hal.c:41
TU_instance_PEx_t::fnTULDDEnable
fnTUEnable_t fnTULDDEnable
Definition: isf_fsl_TU_PEx.h:58
TU_instance_tbl
const TU_instance_PEx_t TU_instance_tbl[]
Definition: BM_pit_instance_tbl.h:2
pit_hal_read_timer_period_count
uint32_t pit_hal_read_timer_period_count(uint32_t timer)
Return current timer period in units of count.
Definition: fsl_pit_hal.c:76
TU_instance_PEx_t::fnTULDDGetPeriod
fnTUGetPeriodTicks_t fnTULDDGetPeriod
Definition: isf_fsl_TU_PEx.h:61
pit_hal_disable
void pit_hal_disable(void)
Disable PIT module.
Definition: fsl_pit_hal.c:46
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