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将串口接收功能封装了一下,更加通用,使用也更加方便了。$ k7 [0 l9 N" a" M7 Q; U. {1 X j
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特点: - 接口简单
- 支持自定义串口接收回调函数
- 支持自定义数据包(Frame)回调函数
- 可以设置数据包超时时间
- 支持STM32/ESP32
; {2 D) C+ |1 z2 e 驱动地址
( q$ b" G7 p% n J' h3 f& i8 Hhttps://github.com/micropython-Chinese-Community/mpy-lib/tree/master/misc/irqUART
/ R8 P7 w0 F E8 G, r; @# R使用方法
* q$ G) B7 q% \- u! v$ gfrom machine import Pin, UART
0 h# r* ]8 O! J* \& L3 g, n: efrom irqUART import irqUART
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2 q/ x) K& S0 L. H2 n$ P: icnt = 0
9 L, C+ T- {9 k+ M' \0 i- [def U1_RX_IRQ(t):
I( D- X9 B8 m global cnt
+ n; J) o9 A. c1 z& z! s n = 0
: d1 B" q4 {5 n' \5 Y while u1.any():
. h. q; L8 L/ Y' l0 B d = u1.any() c. D) l2 I5 p2 V* ^
cnt+=d
# X6 [3 A- N$ _9 R+ I n+=1
1 D. P3 W7 h/ j W0 i+ f print('[', n, ']', cnt, d, u1.read(d))" e7 Q" [9 k, v& o1 D. q4 f% U
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% ^) l. d+ U* i; a8 Z p p2 Fdef U1_RX_FRAME_IRQ(t):
& _' o; | u( g# ]) U global cnt. ?8 l$ d+ X( S" A* g
print('FRAME end')2 j; I+ E+ t! m* g2 [
cnt = 0
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u1=UART(1)
: ^, B$ z' X% z9 m+ R( {ui = irqUART(u1, Pin('B7'), U1_RX_IRQ, U1_RX_FRAME_IRQ)& v' y% i/ j5 p" |" I: p
ui.uart.init(115200)
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