blob: b022bb511cc627f3fa2f7c969f3464eaabcc1e08 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/**
******************************************************************************
* @file lib_tmr.c
* @author Application Team
* @version V4.4.0
* @date 2018-09-27
* @brief Timer library.
******************************************************************************
* @attention
*
******************************************************************************
*/
#include "lib_tmr.h"
#define TMR_CTRL_RSTValue (0UL)
#define TMR_VALUE_RSTValue (0UL)
#define TMR_RELOAD_RSTValue (0UL)
/**
* @brief Initializes the TMRx peripheral registers to their default reset values.
* @param TMRx:
TMR0 ~ TMR3
* @retval None
*/
void TMR_DeInit(TMR_TypeDef *TMRx)
{
/* Check parameters */
assert_parameters(IS_TMR_ALL_INSTANCE(TMRx));
/* Disable timer */
TMRx->CTRL &= ~TMR_CTRL_EN;
/* clear interrupt status */
TMRx->INT = TMR_INT_INT;
/* write default reset values */
TMRx->CTRL = TMR_CTRL_RSTValue;
TMRx->RELOAD = TMR_RELOAD_RSTValue;
TMRx->VALUE = TMR_VALUE_RSTValue;
}
/**
* @brief TMR initialization.
* @param TMRx:
TMR0 ~ TMR3
InitStruct: Timer configuration.
ClockSource:
TMR_CLKSRC_INTERNAL
TMR_CLKSRC_EXTERNAL
EXTGT:
TMR_EXTGT_DISABLE
TMR_EXTGT_ENABLE
Period: the auto-reload value
* @retval None
*/
void TMR_Init(TMR_TypeDef *TMRx, TMR_InitType *InitStruct)
{
uint32_t tmp;
/* Check parameters */
assert_parameters(IS_TMR_ALL_INSTANCE(TMRx));
assert_parameters(IS_TMR_CLKSRC(InitStruct->ClockSource));
assert_parameters(IS_TMR_EXTGT(InitStruct->EXTGT));
tmp = TMRx->CTRL;
tmp &= ~(TMR_CTRL_EXTCLK|TMR_CTRL_EXTEN);
tmp |= (InitStruct->ClockSource|InitStruct->EXTGT);
TMRx->CTRL = tmp;
TMRx->VALUE = InitStruct->Period;
TMRx->RELOAD = InitStruct->Period;
}
/**
* @brief Fills each TMR_InitType member with its default value.
* @param InitStruct: pointer to an TMR_InitType structure which will be initialized.
* @retval None
*/
void TMR_StructInit(TMR_InitType *InitStruct)
{
/*--------------- Reset TMR init structure parameters values ---------------*/
/* Initialize the ClockSource member */
InitStruct->ClockSource = TMR_CLKSRC_INTERNAL;
/* Initialize the EXTGT member */
InitStruct->EXTGT = TMR_EXTGT_DISABLE;
/* Initialize the Period member */
InitStruct->Period = 0;
}
/**
* @brief Interrupt configuration.
* @param TMRx:
TMR0~TMR3
NewState:
ENABLE
DISABLE
* @retval None
*/
void TMR_INTConfig(TMR_TypeDef *TMRx, uint32_t NewState)
{
/* Check parameters */
assert_parameters(IS_TMR_ALL_INSTANCE(TMRx));
assert_parameters(IS_FUNCTIONAL_STATE(NewState));
if (NewState == ENABLE)
{
TMRx->CTRL |= TMR_CTRL_INTEN;
}
else
{
TMRx->CTRL &= ~TMR_CTRL_INTEN;
}
}
/**
* @brief Get timer interrupt status.
* @param TMRx:
TMR0~TMR3
* @retval Interrupt status.
*/
uint8_t TMR_GetINTStatus(TMR_TypeDef *TMRx)
{
/* Check parameters */
assert_parameters(IS_TMR_ALL_INSTANCE(TMRx));
if (TMRx->INT&TMR_INT_INT)
return 1;
else
return 0;
}
/**
* @brief Clear timer interrupt status bit.
* @param TMRx:
TMR0~TMR3
* @retval None.
*/
void TMR_ClearINTStatus(TMR_TypeDef *TMRx)
{
/* Check parameters */
assert_parameters(IS_TMR_ALL_INSTANCE(TMRx));
TMRx->INT = TMR_INT_INT;
}
/**
* @brief TMRER enable.
* @param TMRx:
TMR0~TMR3
NewState:
ENABLE
DISABLE
* @retval None
*/
void TMR_Cmd(TMR_TypeDef *TMRx, uint32_t NewState)
{
/* Check parameters */
assert_parameters(IS_TMR_ALL_INSTANCE(TMRx));
assert_parameters(IS_FUNCTIONAL_STATE(NewState));
if (NewState == ENABLE)
TMRx->CTRL |= TMR_CTRL_EN;
else
TMRx->CTRL &= ~TMR_CTRL_EN;
}
/**
* @brief Get TMRx current value.
* @param TMRx:
TMR0~TMR3
* @retval timer value.
*/
uint32_t TMR_GetCurrentValue(TMR_TypeDef *TMRx)
{
/* Check parameters */
assert_parameters(IS_TMR_ALL_INSTANCE(TMRx));
return (TMRx->VALUE);
}
/*********************************** END OF FILE ******************************/
|
