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void USART0_IRQHandler(void)) G3 ]! R' L- V% @7 \* r$ q1 V
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if(usart_interrupt_flag_get(USART0,USART_INT_FLAG_RBNE) != RESET)
) a$ `% i0 v8 Y0 L {
7 i3 m8 r7 a' }9 _% }& n0 Z: Q USART0_ReceiveFifo[USART0_ReceiveFifoEp_ZC] = usart_data_receive(USART0);& i' W' W0 G1 g" g b! F
USART0_ReceiveFifoEp_ZC++;
1 q# C7 K: V6 |& a USART0_ReceiveFifoEp_SL++;
1 _5 q# A6 H }3 Q if(USART0_ReceiveFifoEp_ZC == USART0_ReceiveFifoSp_ZC)
L5 W) P# C$ t4 g6 _ e {
$ b7 [7 |. i& u( ? USART0_ReceiveFifoSp_ZC++;: K+ h% ?" J& I8 D" _
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if(USART0_ReceiveFifoEp_SL == USART0_ReceiveFifoSp_SL)
# P& v5 Q/ R# p% x+ z {
. C, E; R# {* A# s6 u USART0_ReceiveFifoSp_SL++;" z0 `6 |5 x9 W7 _9 ^
}
, p: {5 ?- Z. D, Y% d USART0_ReceiveFifotime_ZC = 0;
' ?8 ?# [+ e- [% v. R/ y0 B USART0_ReceiveFifoTime_SL = 0; 2 H& D0 r: u$ t$ H# I' @
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if(usart_interrupt_flag_get(USART0,USART_INT_FLAG_TBE) != RESET) ' R( C6 T, }% U
{
; b- q6 u+ v. I& Z2 d. ] if(USART0_SendFifoSp != USART0_SendFifoEp)0 r1 N5 H. N& T& l& L0 V8 L9 s
{
# V/ }% h% r! m' t n8 p; \. | usart_data_transmit(USART0, USART0_SendFifo[USART0_SendFifoSp++]);" r: J0 i: m" V, O9 M$ T
}
/ [+ h2 ?6 v U- ]) f2 Q( x# j if(USART0_SendFifoSp == USART0_SendFifoEp)
: ?$ k, f0 L% B" ? {
1 ], B4 J5 u' r7 P( { usart_interrupt_disable(USART0,USART_INT_TBE);& Z& u' P. H- u+ ~6 u p, K, ]
}
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}
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uint8_t USART0_ReadFifo_ZC(uint8_t *Buff)
$ k& u# \1 r1 k' L5 l$ M) d{: w( E1 d! F% B1 v: y6 t2 p
uint8_t Sp;
1 C+ `! ?- o9 p" V5 Q# I uint8_t Ep;
( m( x( w9 p! |; {: V2 j3 I" K uint8_t Len = 0;( D+ v$ k8 [( `9 G
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Sp = USART0_ReceiveFifoSp_ZC;5 Z: j9 W) i! e% I* Z3 i, _; k
Ep = USART0_ReceiveFifoEp_ZC;
) }8 O$ A" b9 {1 ^ while(Sp != Ep)
% l, [" Y1 e, Y, M$ I% G/ G. H {
5 x; l X' W8 H+ o *Buff = USART0_ReceiveFifo[Sp++];2 z) R; Q6 @2 _4 r7 U! a' H! A) H: z
Buff++;
4 K: L! R8 U. v4 I! L7 u Len++;
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return(Len);
6 z; U. _0 g1 M; N}
$ L5 q4 ?3 D Q8 P0 o/******************************************************************************: D; H0 {% U1 P9 v
*******************************************************************************/
& W8 \1 U8 ^" i$ `! c, X3 fvoid USART0_DeleteFifo_ZC(uint8_t Len)
$ P0 ~1 D" x; T6 a) s2 o. n' T{
: K& K% T% w7 H! ]6 Z* D if(Len)$ {, F3 R3 s$ L1 n/ h
{8 C+ \( z+ g5 ^5 h
USART0_ReceiveFifoSp_ZC += Len;! W3 C# z, c/ ~
}! f5 b, d% p3 G# x8 k# P
else
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USART0_ReceiveFifoSp_ZC = USART0_ReceiveFifoEp_ZC;: \2 K) h& t6 ^# q( S
}
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发表于 2022-11-1 11:15
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