AutosarOS
App.c
Go to the documentation of this file.
1 
14 #include "assert.h"
15 
16 #include "OS_API.h"
17 
18 #include <avr/io.h>
19 #include <util/delay.h>
20 
21 #if defined (OS_CONFIG_SIM) && OS_CONFIG_SIM == true
22 #define DELAY_MS(ms)
23 #else
24 #define DELAY_MS(ms) _delay_ms(ms)
25 #endif /* defined (OS_CONFIG_SIM) && OS_CONFIG_SIM == true */
26 
27 volatile bool isrFlag = false;
28 
29 TASK(Idle)
30 {
31  while (1);
32 }
33 
34 TASK(Task1)
35 {
36  StatusType stat = ActivateTask(Task2);
37  assert(stat == E_OK);
38 
39  EventMaskType mask = 0;
40  stat = GetEvent(Task1, &mask);
41  assert(stat == E_OK && mask == 0);
42 
43  stat = GetEvent(Task2, &mask);
44  assert(stat == E_OK && mask == 0);
45 
46  stat = Schedule();
47  assert(stat == E_OK);
48 
49  stat = TerminateTask();
50  assert(stat == E_OK);
51 }
52 
53 TASK(Task2)
54 {
55  StatusType stat = TerminateTask();
56  assert(stat == E_OK);
57 }
58 
59 extern void StartupHook(void)
60 {
61  DDRB = 0xFF; // PB as output
62  PORTB = 0xFF; // keep all LEDs off
63 
64  DDRD = 0x00; // PD as input
65  PORTD = 0xFF; // enable PU on PD
66 
67 #if defined (__AVR_ATmega32__)
68 
69 #elif defined (__AVR_ATmega128__) || defined (__AVR_ATmega1284__)
70  /* Timer 2 */
71 #if defined (OS_CONFIG_SIM) && OS_CONFIG_SIM == true
72 #if defined (__AVR_ATmega128__)
73  TCCR2 = (1 << CS20); // Enable Timer2 with Prescaler 1
74  TIMSK |= 1 << TOIE2; // Enable Overflow Interrupt (Timer2)
75 #else /* defined (__AVR_ATmega128__) */
76  TCCR2B = (1 << CS20); // Enable Timer2 with Prescaler 1
77  TIMSK2 |= 1 << TOIE2; // Enable Overflow Interrupt (Timer2)
78 #endif /* defined (__AVR_ATmega128__) */
79 #endif /* defined (OS_CONFIG_SIM) && OS_CONFIG_SIM == true */
80 #else /* defined (__AVR_ATmega32__) */
81 #error Unknown CPU defined!
82 #endif /* defined (__AVR_ATmega32__) */
83 
84  uint8_t t = 0;
85 
86  while (t < 6) {
87  uint8_t r = PORTB;
88  r ^= (1 << 7);
89  PORTB = r;
90  DELAY_MS(50);
91  t++;
92  }
93 }
94 
95 extern void ShutdownHook(StatusType error)
96 {
97  DDRB = 0xFF; // PB as output
98  PORTB = 0xFF; // keep all LEDs off
99 
100  for (uint8_t i = 0; i < 11; i++) {
101  PORTB ^= 0xFF;
102  DELAY_MS(1000);
103  }
104 }
105 
106 extern void PreTaskHook(void)
107 {
108  TaskType task;
109  GetTaskID(&task);
110  TaskStateType state = SUSPENDED;
111  GetTaskState(task, &state);
112 }
113 
114 extern void PostTaskHook(void)
115 {
116  TaskType task;
117  GetTaskID(&task);
118  TaskStateType state = SUSPENDED;
119  GetTaskState(task, &state);
120 }
121 
122 extern void ErrorHook(StatusType error)
123 {
124 
125 }
126 
127 ISR(TIMER2_OVF_vect)
128 {
129 
130 }
TaskType
enum tasks_e TaskType
Type for task reference.
Definition: TaskTypes.h:29
EventMaskType
uint8_t EventMaskType
Data type of the event mask.
Definition: EventTypes.h:21
StatusType
enum StatusType_e StatusType
Type for status.
ErrorHook
void ErrorHook(StatusType error)
PostTask hook function.
Definition: App.c:784
Schedule
#define Schedule
Definition: OS_API.h:81
StartupHook
void StartupHook(void)
Definition: App.c:702
GetTaskState
#define GetTaskState
Definition: OS_API.h:83
assert.h
Assert macros and functions.
TASK
TASK(Idle)
Definition: App.c:33
E_OK
@ E_OK
Definition: Types.h:40
ISR
ISR(INT0_vect)
Definition: App.c:806
PreTaskHook
void PreTaskHook(void)
PreTask hook function.
Definition: App.c:768
ActivateTask
#define ActivateTask
Definition: OS_API.h:78
assert
#define assert(expression)
Definition: assert.h:37
SUSPENDED
@ SUSPENDED
The task is suspended and will not be scheduled.
Definition: TaskTypes.h:58
TerminateTask
#define TerminateTask
Definition: OS_API.h:80
OS_API.h
Operating System API.
GetTaskID
#define GetTaskID
Definition: OS_API.h:82
isrFlag
volatile bool isrFlag
Definition: App.c:27
PostTaskHook
void PostTaskHook(void)
PostTask hook function.
Definition: App.c:776
ShutdownHook
void ShutdownHook(StatusType error)
Definition: App.c:757
TaskStateType
enum OsTaskState_e TaskStateType
Task state.
GetEvent
#define GetEvent
Definition: OS_API.h:47
DELAY_MS
#define DELAY_MS(ms)
Definition: App.c:24