int uart1_send(u8_t *buff,u32_t size)
{
int ret;
if((size == 0) || (buff == 0))
return -1;
p_dbg("uart1 send start\n");
clear_wait_event(u1_send.wait);
OSSemSet((OS_EVENT*)u1_send.wait, 0, (INT8U*)&ret);
u1_send.cnt = size;
DMA_TxConfiguration((uint32_t*)buff, size);
again:
ret = wait_event_timeout(u1_send.wait, 2000);
if(ret != 0)
goto again;
p_dbg("uart1 send end\n");
if(u1_send.cnt)
p_err("uart1_send err:%d,%d,%d\n",ret,u1_send.cnt,size);
else
p_dbg("uart1 send a pkg:%d\n", size);
return 0;
}
void switch_audio_mode()
{
if(!audio_cfg.audio_dev_open)
{
p_dbg("请先打开音频");
return;
}
audio_cfg.play_mp3 = !audio_cfg.play_mp3;
if(audio_cfg.play_mp3){
p_dbg("mp3播放模式");
#if ENABLE_MP3
if(!mp3_format.init)
{
if(init_mp3_format())
p_err("init_mp3_format err\n");
}
reset_mp3_stat();
#endif
}else{
p_dbg("pcm播放模式(语音对讲)");
#if ENABLE_MP3
deinit_mp3_format();
#endif
}
}
/*
static void __skb_trim(struct sk_buff *skb, unsigned int len)
{
if (unlikely(skb_is_nonlinear(skb)))
{
WARN_ON(1);
return ;
} skb->len = len;
skb_set_tail_pointer(skb, len);
}
extern void skb_trim(struct sk_buff *skb, unsigned int len);
static int __pskb_trim(struct sk_buff *skb, unsigned int len)
{
if (skb->data_len)
return ___pskb_trim(skb, len);
__skb_trim(skb, len);
return 0;
}
static int pskb_trim(struct sk_buff *skb, unsigned int len)
{
return (len < skb->len) ? __pskb_trim(skb, len): 0;
}
*/
struct sk_buff *__dev_alloc_skb(unsigned int length, gfp_t gfp_mask)
{
struct sk_buff *skb = alloc_skb(length + NET_SKB_PAD, gfp_mask);
if (likely(skb))
skb_reserve(skb, NET_SKB_PAD);
#ifdef DEBUG
if(length + NET_SKB_PAD == 112)
p_dbg("alloc:%x, %x", skb, skb->head);
//else
p_dbg("alloc1:%d,%x, %x", length + NET_SKB_PAD, skb, skb->head);
#endif
return skb;
}
void DMA2_Stream7_IRQHandler() //发送中断
{
uint32_t irq_flag;
enter_interrupt();
DMA_Cmd(DMA2_Stream7, DISABLE);
NVIC_DisableIRQ(DMA2_Stream7_IRQn);
irq_flag = local_irq_save();
if(DMA_GetFlagStatus(DMA2_Stream7, DMA_FLAG_TEIF7))
{
p_err("uart dma err");
}
DMA_ITConfig(DMA2_Stream7, DMA_IT_TC | DMA_IT_TE | DMA_IT_HT,DISABLE);
DMA_ClearFlag(DMA2_Stream7, DMA_FLAG_TCIF7 | DMA_FLAG_TEIF7 | DMA_FLAG_HTIF7 | DMA_FLAG_DMEIF7 | DMA_FLAG_HTIF7);
u1_send.cnt = DMA2_Stream7->NDTR; //取剩余字数,应该为0
local_irq_restore(irq_flag);
USART_DMACmd(USART1, USART_DMAReq_Tx, DISABLE);
p_dbg("u_send irq\n");
wake_up(u1_send.wait); //唤醒等待线程
exit_interrupt(1);
}
timer_t *timer_setup(int time_val, int type, timer_callback_func callback, void *callback_arg)
{
INT8U perr;
OS_TMR *tmr;
if (time_val < 100)
time_val = 100;
time_val = time_val * OS_TMR_CFG_TICKS_PER_SEC / 1000;
if ((callback == 0))
{
p_err("setup_timer err arg\n");
return 0;
}
if (type)
//== 1 repeat
{
p_dbg("repeat:%d\n", time_val);
tmr = OSTmrCreate(time_val, time_val, OS_TMR_OPT_PERIODIC, (OS_TMR_CALLBACK)callback, callback_arg, "", &perr);
}
else
{
p_dbg("one short:%d\n", time_val);
tmr = OSTmrCreate(time_val, time_val, OS_TMR_OPT_ONE_SHOT, (OS_TMR_CALLBACK)callback, callback_arg, "", &perr);
}
if (perr != OS_ERR_NONE)
{
tmr = 0;
p_err("setup_timer err\n");
}
tmr->priv = mem_malloc(sizeof(struct work_struct));
if(!tmr->priv){
OSTmrDel(tmr, &perr);
return 0;
}
init_work(tmr->priv, callback, callback_arg);
return (timer_t*)tmr;
}
