Files
CherryUSB/osal/usb_workq.c
2022-01-30 22:06:00 +08:00

93 lines
2.6 KiB
C

#include "usb_list.h"
#include "usb_osal.h"
#include "usb_workq.h"
#include "usb_config.h"
void usb_workqueue_submit(struct usb_workqueue *queue, struct usb_work *work, usb_worker_t worker, void *arg, uint32_t ticks)
{
uint32_t flags;
flags = usb_osal_enter_critical_section();
usb_dlist_remove(&work->list);
work->worker = worker;
work->arg = arg;
if (ticks == 0) {
usb_dlist_insert_after(&queue->work_list, &work->list);
usb_osal_sem_give(queue->sem);
}
usb_osal_leave_critical_section(flags);
}
struct usb_workqueue g_hpworkq = { NULL };
struct usb_workqueue g_lpworkq = { NULL };
static void usbh_hpwork_thread(void *argument)
{
struct usb_work *work;
uint32_t flags;
int ret;
struct usb_workqueue *queue = (struct usb_workqueue *)argument;
while (1) {
ret = usb_osal_sem_take(queue->sem);
if (ret < 0) {
continue;
}
flags = usb_osal_enter_critical_section();
if (usb_dlist_isempty(&queue->work_list)) {
usb_osal_leave_critical_section(flags);
continue;
}
work = usb_dlist_first_entry(&queue->work_list, struct usb_work, list);
usb_dlist_remove(&work->list);
usb_osal_leave_critical_section(flags);
work->worker(work->arg);
}
}
static void usbh_lpwork_thread(void *argument)
{
struct usb_work *work;
uint32_t flags;
int ret;
struct usb_workqueue *queue = (struct usb_workqueue *)argument;
while (1) {
ret = usb_osal_sem_take(queue->sem);
if (ret < 0) {
continue;
}
flags = usb_osal_enter_critical_section();
if (usb_dlist_isempty(&queue->work_list)) {
usb_osal_leave_critical_section(flags);
continue;
}
work = usb_dlist_first_entry(&queue->work_list, struct usb_work, list);
usb_dlist_remove(&work->list);
usb_osal_leave_critical_section(flags);
work->worker(work->arg);
}
}
int usbh_workq_initialize(void)
{
g_hpworkq.sem = usb_osal_sem_create(0);
if (g_hpworkq.sem == NULL) {
return -1;
}
g_hpworkq.thread = usb_osal_thread_create("usbh_hpworkq", CONFIG_USBHOST_HPWORKQ_STACKSIZE, CONFIG_USBHOST_HPWORKQ_PRIO, usbh_hpwork_thread, &g_hpworkq);
if (g_hpworkq.thread == NULL) {
return -1;
}
g_lpworkq.sem = usb_osal_sem_create(0);
if (g_lpworkq.sem == NULL) {
return -1;
}
g_lpworkq.thread = usb_osal_thread_create("usbh_lpworkq", CONFIG_USBHOST_LPWORKQ_STACKSIZE, CONFIG_USBHOST_LPWORKQ_PRIO, usbh_lpwork_thread, &g_lpworkq);
if (g_lpworkq.thread == NULL) {
return -1;
}
return 0;
}