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void USART0_IRQHandler(void)
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if(usart_interrupt_flag_get(USART0,USART_INT_FLAG_RBNE) != RESET) : r( I6 L; D1 C" d* I, H. {
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USART0_ReceiveFifo[USART0_ReceiveFifoEp_ZC] = usart_data_receive(USART0);$ }- C, Q: d5 n; ?4 N* F; r
USART0_ReceiveFifoEp_ZC++;, ^& r6 i1 K1 B
USART0_ReceiveFifoEp_SL++;
! g F9 Z8 P' w+ X$ O- ?3 l, [ if(USART0_ReceiveFifoEp_ZC == USART0_ReceiveFifoSp_ZC)
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) j! e3 F S. @4 n! p. R8 R USART0_ReceiveFifoSp_ZC++;
+ Z2 b/ T7 X5 M }
/ K) d6 t0 Z* B if(USART0_ReceiveFifoEp_SL == USART0_ReceiveFifoSp_SL)
2 c/ A! ]& j7 t# M5 p {
0 r, `9 J. C( j o USART0_ReceiveFifoSp_SL++;( M# ^7 b, m( [' H* {6 ~% x ?
}
. `- c! n1 B9 B$ C! x USART0_ReceiveFifotime_ZC = 0;
" w6 }; k/ g3 X9 f1 M3 B USART0_ReceiveFifoTime_SL = 0;
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$ X+ |7 c" C% U8 h4 p if(usart_interrupt_flag_get(USART0,USART_INT_FLAG_TBE) != RESET)
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if(USART0_SendFifoSp != USART0_SendFifoEp)/ \2 C$ c% R& _% H
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usart_data_transmit(USART0, USART0_SendFifo[USART0_SendFifoSp++]);
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, D6 o3 W4 ?" h0 G. j6 U if(USART0_SendFifoSp == USART0_SendFifoEp)
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usart_interrupt_disable(USART0,USART_INT_TBE);8 a* I1 `+ W# s9 J3 X' X$ H& f
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} " n$ b- W# k# g0 d% V3 W/ w* Z+ O! \
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uint8_t USART0_ReadFifo_ZC(uint8_t *Buff)
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* m( B* V% G3 V' V. c% U uint8_t Sp;
: @6 Z: B( E& K5 X4 y uint8_t Ep;
8 ]% `2 A( z# n) F" p9 h& N uint8_t Len = 0;
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$ M! b( `% F+ s Sp = USART0_ReceiveFifoSp_ZC;
9 M& N8 c$ r- V; g4 g Ep = USART0_ReceiveFifoEp_ZC;
, i& z. r1 _( ?5 ]6 u; R2 a while(Sp != Ep). A6 x0 f6 Y) {' h2 b
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*Buff = USART0_ReceiveFifo[Sp++];
2 d3 K; S5 {. j Buff++;
, F! K$ x9 ]& A+ I Len++;" L+ C* f. e. B8 T( w
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return(Len);; A* O* a1 x7 E0 ^5 O9 L
}
: P% A* f" {8 Z! E: h! O/******************************************************************************
1 E5 h) S+ C+ k. R% S. p d*******************************************************************************/
% t$ _0 p& \# d2 [0 pvoid USART0_DeleteFifo_ZC(uint8_t Len)6 i q2 k! i- j, }
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if(Len)* @, \9 u: Q4 g5 P
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USART0_ReceiveFifoSp_ZC += Len;
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USART0_ReceiveFifoSp_ZC = USART0_ReceiveFifoEp_ZC;
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发表于 2022-11-1 11:15
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