pinebuds/apps/btusbaudio/usbaudio_thread.c

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2022-08-15 04:20:27 -05:00
/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#include "cmsis_os.h"
#include "hal_trace.h"
#include "app_utils.h"
#include "usb_audio_app.h"
#include "usbaudio_thread.h"
static void usb_thread(void const *argument);
osThreadDef(usb_thread, osPriorityHigh, 1, 2048, "usb");
osMailQDef (usb_mailbox, USB_MAILBOX_MAX, USB_MESSAGE);
static osMailQId usb_mailbox = NULL;
static uint8_t usb_mailbox_cnt = 0;
#define USBAUDIO_DEBUG TRACE
static int usb_mailbox_init(void)
{
USBAUDIO_DEBUG("%s,%d",__func__,__LINE__);
usb_mailbox = osMailCreate(osMailQ(usb_mailbox), NULL);
if (usb_mailbox == NULL) {
USBAUDIO_DEBUG("Failed to Create usb_mailbox\n");
return -1;
}
usb_mailbox_cnt = 0;
return 0;
}
int usb_mailbox_put(USB_MESSAGE* msg_src)
{
osStatus status;
USB_MESSAGE *msg_p = NULL;
USBAUDIO_DEBUG("%s,%d",__func__,__LINE__);
if(usb_mailbox_cnt >= 1)
{
USBAUDIO_DEBUG("%s,%d usb_mailbox_cnt = %d.",
__func__,__LINE__,usb_mailbox_cnt);
return 0;
}
msg_p = (USB_MESSAGE*)osMailAlloc(usb_mailbox, 0);
ASSERT(msg_p, "osMailAlloc error");
msg_p->id = msg_src->id;
msg_p->ptr = msg_src->ptr;
msg_p->param0 = msg_src->param0;
msg_p->param1 = msg_src->param1;
status = osMailPut(usb_mailbox, msg_p);
if (osOK == status)
usb_mailbox_cnt++;
USBAUDIO_DEBUG("%s,%d,usb_mailbox_cnt = %d.",__func__,__LINE__,usb_mailbox_cnt);
return (int)status;
}
int usb_mailbox_free(USB_MESSAGE* msg_p)
{
osStatus status;
USBAUDIO_DEBUG("%s,%d",__func__,__LINE__);
status = osMailFree(usb_mailbox, msg_p);
if (osOK == status)
usb_mailbox_cnt--;
USBAUDIO_DEBUG("%s,%d,usb_mailbox_cnt = %d.",__func__,__LINE__,usb_mailbox_cnt);
return (int)status;
}
int usb_mailbox_get(USB_MESSAGE **msg_p)
{
osEvent evt;
evt = osMailGet(usb_mailbox, osWaitForever);
if (evt.status == osEventMail) {
*msg_p = (USB_MESSAGE*)evt.value.p;
return 0;
}
return -1;
}
static void usb_thread(void const *argument)
{
// USB_FUNC_T usb_funcp;
USBAUDIO_DEBUG("%s,%d",__func__,__LINE__);
while(1){
USB_MESSAGE *msg_p = NULL;
if (!usb_mailbox_get(&msg_p)) {
//TRACE(2,"_debug: %s,%d",__func__,__LINE__);
USBAUDIO_DEBUG("usb_thread: id = 0x%x, ptr = 0x%x,param0 = 0x%x,param1 = 0x%x.",
msg_p->id,msg_p->ptr,msg_p->param0,msg_p->param1);
usb_mailbox_free(msg_p);
usb_audio_app_loop();
}
}
}
static void usb_enqueue_cmd(uint32_t data)
{
USB_MESSAGE usb_msg;
usb_msg.id = 0;
usb_msg.param0 = 0;
usb_msg.param1 = 0;
usb_msg.ptr = 0;
usb_mailbox_put(&usb_msg);
}
int usb_os_init(void)
{
osThreadId usb_tid;
USBAUDIO_DEBUG("%s,%d",__func__,__LINE__);
if (usb_mailbox_init()) {
USBAUDIO_DEBUG("_debug: %s,%d",__func__,__LINE__);
return -1;
}
usb_tid = osThreadCreate(osThread(usb_thread), NULL);
if (usb_tid == NULL) {
USBAUDIO_DEBUG("Failed to Create usb_thread\n");
return 0;
}
usb_audio_set_enqueue_cmd_callback(usb_enqueue_cmd);
return 0;
}