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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。
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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' j0 _: O4 k& M: X' f
驱动地址1 I0 R2 x3 l( r# i3 W- N% ^
https://github.com/micropython-Chinese-Community/mpy-lib/tree/master/misc/irqUART
5 h2 [8 f8 I- a! F- f使用方法9 ~6 r o! k3 v# A
from machine import Pin, UART
! _ c! y+ H- h1 u! T$ U# X6 |2 ~ Zfrom irqUART import irqUART
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' C, J' S: m; Ocnt = 0
! F! L" G/ n8 \1 Ndef U1_RX_IRQ(t):
) O( J: n) k$ p2 i5 G* e global cnt
8 n0 z3 z1 Y8 n w n = 0; f7 A4 y5 }0 W$ i
while u1.any():7 Y0 m" a6 P( R1 }3 L
d = u1.any()
9 L( B$ @* K T3 @6 C' \$ b cnt+=d2 m& C; u4 s8 e" ]7 O
n+=1' P7 U5 y( h3 D: `3 ?' ^
print('[', n, ']', cnt, d, u1.read(d))$ _; F" X& P2 L3 u
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2 Y; w+ m+ w5 Y5 c# Ddef U1_RX_FRAME_IRQ(t):2 C$ B* j! ~1 J& I; C: h
global cnt
) E: ^8 w0 q$ F2 U! {# r. p4 Z print('FRAME end')
: g: z; E R9 g cnt = 0, i$ w1 C# q- ?2 M, F
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9 Y+ v. B! \" g+ D. o/ s, K7 cu1=UART(1)
' a+ E7 w9 a( c# r0 q5 V( q8 Lui = irqUART(u1, Pin('B7'), U1_RX_IRQ, U1_RX_FRAME_IRQ)4 G- f: U3 ]* P$ ~* f+ t
ui.uart.init(115200)
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发表于 2023-11-3 18:09