-
Notifications
You must be signed in to change notification settings - Fork 1
/
main.c
183 lines (157 loc) · 4.02 KB
/
main.c
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
179
180
181
182
/*
* main.c
*
* Created on: ??þ/??þ/????
* Author: dell
*/
#include "STD_TYPES.h"
#include "BIT_MATH.h"
#include "RCC_interface.h"
#include "DIO_interface.h"
#include "NVIC_interface.h"
#include "SYSTICK_interface.h"
void Led_Animation(void);
void main(void)
{
/* Initialize Clock */
RCC_voidInitSysClock();
/* Enable Peripheral 2 on ABP2 Bus (GPIOA) */
RCC_voidEnableClock(RCC_APB2, 2); /* Enable GPIOA Clock */
/* Pins Mode */
MGPIO_voidSetPinDirection(GPIOA,0,0b0010);
MGPIO_voidSetPinDirection(GPIOA,1,0b0010);
MGPIO_voidSetPinDirection(GPIOA,2,0b0010);
MGPIO_voidSetPinDirection(GPIOA,3,0b0010);
MGPIO_voidSetPinDirection(GPIOA,4,0b0010);
MGPIO_voidSetPinDirection(GPIOA,5,0b0010);
MGPIO_voidSetPinDirection(GPIOA,6,0b0010);
MGPIO_voidSetPinDirection(GPIOA,7,0b0010);
SysTick_voidLoad(0);
SysTick_voidLoad(100000);
SysTick_voidInit();
/* INVIC Initialize */
// MNVIC_voidInt();
// MNVIC_voidSetPriority(6, 0b01000000); /* EXTI0 Group 1 Sub 0 */
// MNVIC_voidSetPriority(7, 0b00110000); /* EXTI0 Group 0 Sub 3 */
/* Enable EXTI0 Interrupt From NVIC */
// MNVIC_voidEnableInterrupt(6); /* EXTI0 */
// MNVIC_voidEnableInterrupt(7); /* EXTI1 */
// MNVIC_voidSetPendingFlag(6);
while(1)
{
}
}
typedef enum {
LED_LEFT ,
LED_RIGHT ,
LED_IN ,
LED_OUT ,
LED_BLINK_ON ,
LED_BLINK_OFF
}led_state;
/* Global variables */
led_state Global_state = LED_LEFT ;
u8 Global_Timer = 0;
u8 PIN_NUMBER = 0;
u8 counter = 0;
u8 IN = 0;
u8 OUT = 7;
void SysTick_Handler(void)
{
Global_Timer++;
Led_Animation();
}
void Led_Animation(void)
{
switch(Global_state)
{
case LED_LEFT:
if (Global_Timer == 2)
{
MGPIO_voidSetPinValue(GPIOA,PIN_NUMBER,HIGH);
MGPIO_voidSetPinValue(GPIOA,(PIN_NUMBER-1),LOW);
PIN_NUMBER++;
Global_Timer = 0;
if (PIN_NUMBER > 7){Global_state = LED_RIGHT; PIN_NUMBER = 7;}
}
break;
case LED_RIGHT:
if (Global_Timer == 2)
{
MGPIO_voidSetPinValue(GPIOA,PIN_NUMBER,HIGH);
MGPIO_voidSetPinValue(GPIOA,(PIN_NUMBER+1),LOW);
PIN_NUMBER--;
Global_Timer = 0;
if(PIN_NUMBER == 0){Global_state = LED_LEFT; counter++; }
if(counter == 4){Global_state = LED_IN; counter = 0; PIN_NUMBER = 0; }
}
break;
case LED_IN:
if(Global_Timer == 2)
{
MGPIO_voidSetPinValue(GPIOA,IN,HIGH);
MGPIO_voidSetPinValue(GPIOA,OUT,HIGH);
MGPIO_voidSetPinValue(GPIOA,(IN - 1),LOW);
MGPIO_voidSetPinValue(GPIOA,(OUT + 1),LOW);
IN++;
OUT--;
Global_Timer = 0;
if(IN == 4){Global_state = LED_OUT; }
}
break;
case LED_OUT:
if(Global_Timer == 2)
{
MGPIO_voidSetPinValue(GPIOA,(IN - 1),HIGH);
MGPIO_voidSetPinValue(GPIOA,(OUT + 1),HIGH);
MGPIO_voidSetPinValue(GPIOA,(IN + 1),LOW);
MGPIO_voidSetPinValue(GPIOA,(OUT - 1),LOW);
IN--;
OUT++;
Global_Timer = 0;
if(OUT == 8){Global_state = LED_IN; counter++; IN = 0; OUT = 7;}
if(counter == 4){Global_state = LED_BLINK_ON; counter = 0;}
}
break;
case LED_BLINK_ON:
if(Global_Timer == 5)
{
MGPIO_voidSetPinValue(GPIOA,0,HIGH);
MGPIO_voidSetPinValue(GPIOA,1,HIGH);
MGPIO_voidSetPinValue(GPIOA,2,HIGH);
MGPIO_voidSetPinValue(GPIOA,3,HIGH);
MGPIO_voidSetPinValue(GPIOA,4,HIGH);
MGPIO_voidSetPinValue(GPIOA,5,HIGH);
MGPIO_voidSetPinValue(GPIOA,6,HIGH);
MGPIO_voidSetPinValue(GPIOA,7,HIGH);
Global_state = LED_BLINK_OFF;
}
break;
case LED_BLINK_OFF:
if(Global_Timer == 10)
{
MGPIO_voidSetPinValue(GPIOA,0,LOW);
MGPIO_voidSetPinValue(GPIOA,1,LOW);
MGPIO_voidSetPinValue(GPIOA,2,LOW);
MGPIO_voidSetPinValue(GPIOA,3,LOW);
MGPIO_voidSetPinValue(GPIOA,4,LOW);
MGPIO_voidSetPinValue(GPIOA,5,LOW);
MGPIO_voidSetPinValue(GPIOA,6,LOW);
MGPIO_voidSetPinValue(GPIOA,7,LOW);
counter++;
if(counter > 8){Global_state = LED_LEFT; counter = 0; Global_Timer = 0;}
else{Global_state = LED_BLINK_ON; Global_Timer = 0;}
}
break;
}
}
void EXTI0_IRQHandler(void)
{
MGPIO_voidSetPinValue(GPIOA,0,HIGH);
MNVIC_voidSetPendingFlag(7); /* Set Pending Flag EXTI1 */
MGPIO_voidSetPinValue(GPIOA,1,HIGH);
}
void EXTI1_IRQHandler(void)
{
MGPIO_voidSetPinValue(GPIOA,2,HIGH);
}