1 /*
2  * Copyright (c) 2022, sakumisu
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 #ifndef USB_OSAL_H
7 #define USB_OSAL_H
8 
9 #include <stdint.h>
10 #include <string.h>
11 #include <stdbool.h>
12 
13 #ifdef __INCLUDE_NUTTX_CONFIG_H
14 #define CONFIG_USB_OSAL_THREAD_SET_ARGV int argc, char **argv
15 #define CONFIG_USB_OSAL_THREAD_GET_ARGV ((uintptr_t)strtoul(argv[1], NULL, 16))
16 #elif defined(__ZEPHYR__)
17 #define CONFIG_USB_OSAL_THREAD_SET_ARGV void *p1, void *p2, void *p3
18 #define CONFIG_USB_OSAL_THREAD_GET_ARGV ((uintptr_t)p1)
19 #else
20 #define CONFIG_USB_OSAL_THREAD_SET_ARGV void *argument
21 #define CONFIG_USB_OSAL_THREAD_GET_ARGV ((uintptr_t)argument)
22 #endif
23 
24 #define USB_OSAL_WAITING_FOREVER (0xFFFFFFFFU)
25 
26 typedef void *usb_osal_thread_t;
27 typedef void *usb_osal_sem_t;
28 typedef void *usb_osal_mutex_t;
29 typedef void *usb_osal_mq_t;
30 typedef void (*usb_thread_entry_t)(CONFIG_USB_OSAL_THREAD_SET_ARGV);
31 typedef void (*usb_timer_handler_t)(void *argument);
32 struct usb_osal_timer {
33     usb_timer_handler_t handler;
34     void *argument;
35     bool is_period;
36     uint32_t timeout_ms;
37     void *timer;
38 };
39 
40 /*
41  * Task with smaller priority value indicates higher task priority
42 */
43 usb_osal_thread_t usb_osal_thread_create(const char *name, uint32_t stack_size, uint32_t prio, usb_thread_entry_t entry, void *args);
44 void usb_osal_thread_delete(usb_osal_thread_t thread);
45 void usb_osal_thread_schedule_other(void);
46 
47 usb_osal_sem_t usb_osal_sem_create(uint32_t initial_count);
48 void usb_osal_sem_delete(usb_osal_sem_t sem);
49 int usb_osal_sem_take(usb_osal_sem_t sem, uint32_t timeout);
50 int usb_osal_sem_give(usb_osal_sem_t sem);
51 void usb_osal_sem_reset(usb_osal_sem_t sem);
52 
53 usb_osal_mutex_t usb_osal_mutex_create(void);
54 void usb_osal_mutex_delete(usb_osal_mutex_t mutex);
55 int usb_osal_mutex_take(usb_osal_mutex_t mutex);
56 int usb_osal_mutex_give(usb_osal_mutex_t mutex);
57 
58 usb_osal_mq_t usb_osal_mq_create(uint32_t max_msgs);
59 void usb_osal_mq_delete(usb_osal_mq_t mq);
60 int usb_osal_mq_send(usb_osal_mq_t mq, uintptr_t addr);
61 int usb_osal_mq_recv(usb_osal_mq_t mq, uintptr_t *addr, uint32_t timeout);
62 
63 struct usb_osal_timer *usb_osal_timer_create(const char *name, uint32_t timeout_ms, usb_timer_handler_t handler, void *argument, bool is_period);
64 void usb_osal_timer_delete(struct usb_osal_timer *timer);
65 void usb_osal_timer_start(struct usb_osal_timer *timer);
66 void usb_osal_timer_stop(struct usb_osal_timer *timer);
67 
68 size_t usb_osal_enter_critical_section(void);
69 void usb_osal_leave_critical_section(size_t flag);
70 
71 void usb_osal_msleep(uint32_t delay);
72 
73 void *usb_osal_malloc(size_t size);
74 void usb_osal_free(void *ptr);
75 
76 #endif /* USB_OSAL_H */
77