创建基于F411的芯片空工程。9 e8 u) x: I% Z
启用hwtimer:
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拷贝以下三个文件到drivers目录,路径分别为
8 I& N. R/ i2 ~6 F% pC:\RT-ThreadStudio\download\rt-thread-sdk\rt-thread-src\v4.0.2\bsp\stm32\libraries\HAL_Drivers\config\f4
, S4 {+ e& j/ ~( P- V6 e% e和 C:\RT-ThreadStudio\download\rt-thread-sdk\rt-thread-src\v4.0.2\bsp\stm32\libraries\HAL_Drivers 。6 _& W2 X! Z! p2 \9 L0 S* I% K0 J
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注释掉drv_hwtimer.c中的#include "drv_config.h"。
3 p5 t8 l' W7 J, j" o取消注释stm32f4xx_hal_conf.h中的#define HAL_TIM_MODULE_ENABLED。, m" ~0 X7 i# _; u
向tim_config.h添加#include <board.h>。
+ ~. T# p2 h: v1 c, s向drv_hwtimer.c添加#include <rtdevice.h>。
6 W: L+ M: j9 K# h向drv_hwtimer.c添加#include <tim_config.h>。
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在board.h中定义需要使用的定时器:
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0 h: G2 R" M. q6 c9 W- Z( o2 f6 h# x根据要使用的定时器,修改tim_config.h:- /*
, \5 m( k4 e# y" O - * Copyright (c) 2006-2018, RT-Thread Development Team
& {$ q* T& M- [1 v5 L - *
4 j& G9 _! O8 A - * SPDX-License-Identifier: Apache-2.0+ E/ b* D. k1 `
- *
3 \/ r6 d5 n- N k- ^3 I8 y8 a - * Change Logs:, }3 m" v+ p2 j' E; y
- * Date Author Notes3 V! \/ m( [ r
- * 2018-12-11 zylx first version
& W1 d+ @: E# u1 g8 z3 k$ C1 v - */5 f3 y# F2 S4 u( `0 m- f
- " N" x4 C/ J" e( w9 @
- #ifndef __TIM_CONFIG_H__
1 X3 ^ ?* R$ }9 T5 C - #define __TIM_CONFIG_H__5 R! R& `9 i6 w
- 1 m8 p! Z) J, K7 s7 ^; o4 S
- #include <rtthread.h>$ P9 W; k& t0 p1 |
- #include <board.h>
% g9 g$ y8 E3 v; i+ z - #ifdef __cplusplus9 H$ _( t0 y9 W3 d
- extern "C" {3 l& a0 Y' u" x1 E' S2 T
- #endif" G1 ?0 y0 {0 M5 Y" A
* }$ V* B* n7 _6 {1 w: A- #ifndef TIM_DEV_INFO_CONFIG
2 w1 A) P. Z z - #define TIM_DEV_INFO_CONFIG \
5 v5 C# T& [5 V% M) h$ X N3 { - { \
& ], l0 @: H" p9 A. Z1 x& R - .maxfreq = 1000000, \4 k! y5 t$ B, q* t% O {# U
- .minfreq = 3000, \' \) S& a: w5 |8 Q
- .maxcnt = 0xFFFF, \. l: ]6 h2 _- c5 B7 |1 J
- .cntmode = HWTIMER_CNTMODE_UP, \" C7 z4 J% m6 M
- }! G2 H- N# N7 C2 j/ t8 s: m4 c
- #endif /* TIM_DEV_INFO_CONFIG */
/ E# [* D5 l, E8 p - ( a' H$ L T5 @/ X/ |
2 S6 b3 E$ f5 O8 ~" ~2 V- #ifdef BSP_USING_TIM15 I1 B6 M7 r/ D2 ^/ W1 g A# C
- #ifndef TIM1_CONFIG
, T: G) u+ q9 x( t6 [2 a- c0 R - #define TIM1_CONFIG \7 s$ i V1 b ]( G3 F' E. l' p o
- { \
2 @- m! S4 k, L! w6 T - .tim_handle.Instance = TIM1, \
( ], r- _2 x9 f$ m" H; l - .tim_irqn = TIM1_UP_TIM10_IRQn, \" ^& b2 C. v8 \( w7 b4 Z; X# M
- .name = "timer1", \
6 S) a% p* `0 N6 C# Y - }
8 M) k/ F" t9 C - #endif /* TIM11_CONFIG */9 K) g" I6 b6 u& J
- #endif /* BSP_USING_TIM11 */# k8 T2 L# p1 c4 K1 e$ c" x3 U
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p4 w% |3 t' F$ G* h- 6 A7 c+ a3 n* U& B% H! K4 [
- #ifdef BSP_USING_TIM2' }5 X2 ^- a* U( { a
- #ifndef TIM2_CONFIG7 q4 p2 e* v( l* q% l1 z* U
- #define TIM2_CONFIG \
% V( U5 w) J# `! T - { \
/ Y# C( t/ g( f8 i8 E+ h7 k; T - .tim_handle.Instance = TIM2, \3 t) e( ~! f5 D0 X& D6 _
- .tim_irqn = TIM2_IRQn, \1 b! _3 j& b/ c9 Z8 j: N" y1 ?
- .name = "timer2", \
2 ?5 y: F$ S9 b( A - }
2 X/ f% _' _9 s" Y0 o2 n y - #endif /* TIM11_CONFIG */
# I" W1 x1 ~0 w0 G - #endif /* BSP_USING_TIM11 */+ k( y/ s/ G( s/ e! ?$ o
- % ^1 N e/ U5 k( p- k+ L) _& F4 t: u
- 9 Q7 X2 l3 w% c: Y
1 d6 ^) s4 M2 {# m* R- w- #ifdef BSP_USING_TIM3
+ N' _0 a/ R; H) I - #ifndef TIM3_CONFIG
5 K- P) d q; e# i% R4 m d8 D - #define TIM3_CONFIG \& F. o0 v9 {! S% E
- { \
0 E1 Q0 k( b7 X( A8 i' E) Y$ P% j% r - .tim_handle.Instance = TIM3, \- X* `. k7 f3 y Z
- .tim_irqn = TIM3_IRQn, \7 }( e7 ~ m3 N7 n
- .name = "timer3", \0 a9 ]; y# r5 Z/ ^: I
- }
1 r6 x3 u4 N' ?2 X2 F% A9 }5 A - #endif /* TIM11_CONFIG */; q* b, }& M* ]& v& k2 ?
- #endif /* BSP_USING_TIM11 */8 H5 a: n% m$ Z1 k
+ k0 X( {' ?5 P7 \* J# k! e* n- " @' J/ P$ X5 N- G
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8 j- y1 Z4 T4 l% g- #ifdef BSP_USING_TIM4
6 `% ~( P7 z/ n: z - #ifndef TIM4_CONFIG
$ K5 n5 n8 d4 R. ~ - #define TIM4_CONFIG \
4 K2 H. q4 A: M+ D& l# O - { \
" y9 q% O# c3 N. s p4 b1 l2 q - .tim_handle.Instance = TIM4, \
/ E' k3 O6 _! N8 u' Y. p9 I - .tim_irqn = TIM4_IRQn, \
, T! f, [7 [9 [+ B( x9 o( C X - .name = "timer4", \
; f: T8 f5 `. Y' Y5 ?* u - }; {$ a' J. N. f
- #endif /* TIM11_CONFIG */0 o) y- {: \( d _2 |* w4 h O- C
- #endif /* BSP_USING_TIM11 */
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- #ifdef BSP_USING_TIM5 I$ `! s: A7 _$ C
- #ifndef TIM5_CONFIG' M( j4 k) E& S+ M8 {3 s
- #define TIM5_CONFIG \4 Y& Q! k# M$ s/ I7 D; P* R- n
- { \- }5 u6 i$ G! u# L: f. F
- .tim_handle.Instance = TIM5, \
' D; \& J1 @/ L - .tim_irqn = TIM5_IRQn, \& @' v& e! n* o- a3 g+ m& W
- .name = "timer5", \
1 M: v1 Z9 I d! i9 P5 O - }
6 |1 y$ l; i. e. ?% D - #endif /* TIM11_CONFIG */0 {( P' Q; N% L5 E) w# c
- #endif /* BSP_USING_TIM11 */
- Y3 p. D7 n: y2 [ - - K1 c; Y s: I! {- M' T i( t! Z; ]& H
- #ifdef BSP_USING_TIM9
% k T! F; ^8 q9 \# \$ }0 V8 s% e - #ifndef TIM9_CONFIG s$ a% W+ b: _) X! |1 S% [" \
- #define TIM9_CONFIG \
" ?! f' s0 m! N, ] R$ C8 h - { \
0 u% P7 d- C! @3 K - .tim_handle.Instance = TIM9, \
) K$ p2 r' l2 ?2 W1 ^ - .tim_irqn = TIM1_BRK_TIM9_IRQn, \
% _0 z1 {) P' h& M7 P N: d - .name = "timer9", \
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- #endif /* TIM11_CONFIG */
/ b, v, J1 f& ^6 d: L2 n0 ] - #endif /* BSP_USING_TIM11 */7 m# b' k( N7 G% _. V
; q1 ^8 L1 \8 ]2 T+ L- #ifdef BSP_USING_TIM10
( ] x1 W5 S; W( k - #ifndef TIM10_CONFIG6 }' y# W# P( I7 J0 o: S+ m
- #define TIM10_CONFIG \
% S9 H' l. o3 T& O. E& { - { \
- H2 l7 G6 r( B( f5 q Y# [% P, t( W - .tim_handle.Instance = TIM10, \0 ~( n# j! p3 ]! S9 {5 e
- .tim_irqn = TIM1_UP_TIM10_IRQn, \
& t9 \) v& u6 |! E7 i( t - .name = "timer10", \
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- #endif /* TIM11_CONFIG */2 g. |$ R3 R# U% t' O& c+ D; E
- #endif /* BSP_USING_TIM11 */7 ]4 |9 n4 ]- Y5 L
6 y; A1 w" A0 w- t3 X8 x- #ifdef BSP_USING_TIM11
& R1 t' i' a4 s8 N - #ifndef TIM11_CONFIG& t4 t- b8 |* `4 \& |+ }% S
- #define TIM11_CONFIG \
- l& P1 b/ w3 @$ z7 _; }) z3 N - { \
6 d3 H3 m( E4 m" z% V - .tim_handle.Instance = TIM11, \& ~, K e7 E4 S$ E) z
- .tim_irqn = TIM1_TRG_COM_TIM11_IRQn, \% H) |7 O+ `3 f2 I4 s5 F
- .name = "timer11", \( n9 s1 O2 [# T! v" i
- }( e2 A2 r( G+ D, ^3 e4 h
- #endif /* TIM11_CONFIG */
1 p/ g7 `8 X3 n" J - #endif /* BSP_USING_TIM11 */3 x4 _" A W: O0 `' w: a
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0 S4 ?, j* R; z. l @+ M7 q- 2 R- {2 n1 d0 ]* T! f) H
- #ifdef __cplusplus
7 U' m4 M1 Q' ^- B - }
: a; z; k+ R* ]+ _8 \& ? - #endif7 q0 T# _ J* A
- % q* F* {/ k: F: S) }& \8 h5 i- L
- #endif /* __TIM_CONFIG_H__ */
* F7 q& P' |+ f( S+ s
复制代码
8 `9 N: c9 R1 A/ h" Q. h, ~在drv_hwtimer.h中增加CubeMX生成的底层代码: E" h+ H& K1 k- Z; n3 @
- void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)2 e8 @1 Y7 d4 A- W- p9 e* Q7 M
- {
+ Z3 u/ \; p1 z+ }9 Y" V - if (htim_base->Instance == TIM1)
& c9 `+ u; e; ^5 k9 ^ - {: \) Y) m+ \* D; O+ z1 \
- __HAL_RCC_TIM1_CLK_ENABLE();1 Y1 u$ J+ L$ n
- }
$ j( ~( M8 b$ `3 F- m - else if (htim_base->Instance == TIM2)
f% b; c& g8 q2 l4 m - {
$ K# n* N( q: L; j5 ^ - __HAL_RCC_TIM2_CLK_ENABLE();
O! Q0 Q) k9 a- t( G: q6 ^, r - }
7 [ T% z$ A+ e" J+ B3 Y4 G9 m - else if (htim_base->Instance == TIM3)
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- __HAL_RCC_TIM3_CLK_ENABLE();9 @, `. S2 G( t2 t Q! w
- }/ t8 l" L% R* C3 ~# q# o4 U
- else if (htim_base->Instance == TIM4)
4 {# [; `7 H" G+ ^2 g - {% l4 w8 U5 U& m
- __HAL_RCC_TIM4_CLK_ENABLE();
. f+ ^& N. O( k5 K' a9 l - }
M: X0 F9 D3 k' u; E; o - else if (htim_base->Instance == TIM5)
+ @1 K- F6 K6 N4 u - {# J b" F$ |- R% S/ z. j+ e
- __HAL_RCC_TIM5_CLK_ENABLE();
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- else if (htim_base->Instance == TIM9)4 ?, n% J6 D, J7 O9 R z" b9 H
- {9 F1 T$ v2 p/ g0 ^/ Z
- __HAL_RCC_TIM9_CLK_ENABLE();
; A9 R& A7 U, g% D, i5 n* E - }
7 S0 X; M/ E( z4 V- d - else if (htim_base->Instance == TIM10)
* h: v! @9 U. b( o - {
8 A+ s! x/ @5 A( E: ?, c - __HAL_RCC_TIM10_CLK_ENABLE();
; ^- h7 Y% c$ k, ^# i8 { - }/ P- {. q$ @- S5 v$ u
- else if (htim_base->Instance == TIM11)
& g6 O$ I# \9 B' A+ n$ d$ }+ ?( j9 D - {
1 P( b' s8 S# m0 ?( ]) F - __HAL_RCC_TIM11_CLK_ENABLE();
/ U5 E, E- j. V - }
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复制代码
) H9 ?/ h0 |, b) @0 p/ q3 u; g7 s修改drv_hwtimer.h中HAL_TIM_PeriodElapsedCallback,为使用的定时器添加回调函数:
/ A! L! R1 ^7 B0 t8 N+ F- void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
% k+ A5 _& A4 B# K" m) z d - {% }$ f. k3 B1 J b' a
- #ifdef BSP_USING_TIM1, m3 ^9 ?8 u) @9 T! d( t( d
- if (htim->Instance == TIM1)
2 W! V- q) ]4 Y- c8 g - {
; e8 L% z- ?# o" e - rt_device_hwtimer_isr(&stm32_hwtimer_obj[TIM1_INDEX].time_device);
% Z. Q9 `/ s G- q' q: y- B - }
# V( a$ f7 e3 H! Y y' n W - #endif9 p; s* ^4 X* i+ y N. h1 E* V
- #ifdef BSP_USING_TIM2
( O& Z) `9 M$ F - if (htim->Instance == TIM2)
1 _$ j+ f9 ]2 \9 z - {# w) c+ A8 g% E. \( O5 C3 f$ a
- rt_device_hwtimer_isr(&stm32_hwtimer_obj[TIM2_INDEX].time_device);8 L N% x9 t9 H
- }
/ ?. `5 m6 D7 ?% f5 r; q - #endif' o3 r( K2 Y" H, @) y% d5 U
- #ifdef BSP_USING_TIM3
2 m' v8 ?# Z6 T/ u6 I3 x1 A% C: A2 Z L - if (htim->Instance == TIM3)
* U/ u" i) d8 Y4 r. i - {, d) j# @8 [4 J* ?. X! x
- rt_device_hwtimer_isr(&stm32_hwtimer_obj[TIM3_INDEX].time_device);
! m) `0 L( ^* |) `1 T' k" b - }$ c. l4 A3 N& a. ^: x; P/ b" ^
- #endif
( L& |7 D( b5 R" r8 T - #ifdef BSP_USING_TIM4# L, a& `5 i y
- if (htim->Instance == TIM4)6 h+ z2 B9 N* u. r+ y
- {0 Q! a5 x; E" k# I0 k1 W) E( p5 P9 O
- rt_device_hwtimer_isr(&stm32_hwtimer_obj[TIM4_INDEX].time_device);9 F# j B. h5 R
- }* V5 Q- h/ _7 j; l
- #endif3 g& ~. z3 t: T0 g/ A+ H3 A8 K& E+ P
- #ifdef BSP_USING_TIM5, m& F1 n6 V- q
- if (htim->Instance == TIM5)6 y5 a+ }& D* \ B! F
- {, G& \4 U7 A5 L0 _" t
- rt_device_hwtimer_isr(&stm32_hwtimer_obj[TIM5_INDEX].time_device);) i) S1 I, G3 M9 H- k* v% d
- }
6 p: D; \. X7 C! d; k- W) g - #endif+ G7 r9 s4 s: x
- #ifdef BSP_USING_TIM9. {' {. i6 t! k- S+ k% u
- if (htim->Instance == TIM9)5 H. H5 r- i5 r4 I- `
- {/ ]5 l% o! U$ y. g3 w2 u( n
- rt_device_hwtimer_isr(&stm32_hwtimer_obj[TIM9_INDEX].time_device);
1 a8 ~2 p2 n6 z- q - }
7 {9 d: A `, R, B5 M - #endif) A" S4 K$ v6 I4 y3 |) T
- #ifdef BSP_USING_TIM102 Q2 [+ J. U' f+ B5 T0 B# K
- if (htim->Instance == TIM10)
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- rt_device_hwtimer_isr(&stm32_hwtimer_obj[TIM10_INDEX].time_device);
# Z; s+ L8 _& w e2 c - }
& d/ o$ X, g( Y - #endif p7 _/ v# r6 M9 B2 w1 X! |2 @
- #ifdef BSP_USING_TIM11. \4 O: J8 ~ V
- if (htim->Instance == TIM11)
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- rt_device_hwtimer_isr(&stm32_hwtimer_obj[TIM11_INDEX].time_device); E# J L- ?" Q
- }* _8 s) E+ F. I- n `$ I0 f( Z- B- V
- #endif
: n7 b& }7 J! E# d' @; O - }
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复制代码 2 B- V/ a8 O7 o* P
添加中断函数入口:
9 e$ D# E4 y# k+ u/ h, A+ b/ k( {2 `- #ifdef BSP_USING_TIM2
# v. L# k; M& N' L - void TIM2_IRQHandler(void)' T, E1 ^; R1 `$ G+ [; g/ ^$ a7 Z5 @
- {# r' Y$ o( M, d2 |& S
- /* enter interrupt */
* U0 T% H3 V% i( c" i. V - rt_interrupt_enter(); {7 |) }: s& c& c$ p% d8 S% Q( H" B
- HAL_TIM_IRQHandler(&stm32_hwtimer_obj[TIM2_INDEX].tim_handle);
( Z) }; j! N' N) C1 H# T* _3 N - /* leave interrupt */
! C$ b7 V% e0 ]3 I' r' w+ ^# b% l8 T - rt_interrupt_leave();
6 p( Q; Z; A& Q% h* s' | - }" F6 ]9 z9 I! e3 ]$ Q% A, o
- #endif
; D/ P$ }$ Y0 D, B) x; h8 h - #ifdef BSP_USING_TIM3
* b! Y3 |& v& \+ t, a: ~1 V3 n - void TIM3_IRQHandler(void)
2 ]% R& u+ D& K' s: B, S0 l* j& f/ Z2 N - {
' X( h! q% ]4 O# ~" q - /* enter interrupt */9 x" z4 @1 _$ i" J) d q
- rt_interrupt_enter();/ k$ Z Z4 c2 S/ g( Q
- HAL_TIM_IRQHandler(&stm32_hwtimer_obj[TIM3_INDEX].tim_handle);
) ~% P7 \5 h+ H/ D- ^' F m# [2 } - /* leave interrupt */
/ f' g2 W( u- @5 O" X3 L; n - rt_interrupt_leave();
+ H# ]! j3 a% T4 j! ^$ ~ - }
: q, X H7 }$ x* y - #endif
! g& I( }1 y M2 O' ^4 U - #ifdef BSP_USING_TIM4
( N( Z/ s6 v: p+ h - void TIM4_IRQHandler(void)
: c8 c. k& ~" y0 @ - {& V/ P# s2 t0 \) R3 g7 \: R# `
- /* enter interrupt */. {2 B. P( m5 I' _! K3 }
- rt_interrupt_enter();& J2 y/ ? [0 a. ?
- HAL_TIM_IRQHandler(&stm32_hwtimer_obj[TIM4_INDEX].tim_handle);0 b! y4 e. }$ B$ F6 \
- /* leave interrupt */ u) S+ S5 B) o8 {" `5 U
- rt_interrupt_leave();
, f s9 E9 @+ k# o+ g. O - }
1 |/ S( j/ `6 ^8 y' H2 k8 U - #endif) e6 l f# E8 |, d, w
- #ifdef BSP_USING_TIM51 C9 L8 Q! W* o& _* H B
- void TIM5_IRQHandler(void)! _8 L1 V# f9 ?- W
- {
c# a; h) p5 M6 B* } - /* enter interrupt */% B3 w& @& N2 Y( h ^1 c% \2 ^
- rt_interrupt_enter();! D; b( i1 P3 ]# |
- HAL_TIM_IRQHandler(&stm32_hwtimer_obj[TIM5_INDEX].tim_handle);
- M4 e# ? E# l# o5 Y2 n! C+ c - /* leave interrupt */
# r3 }; D/ ?- l. F0 K - rt_interrupt_leave();
) ~5 @0 q1 r. d& [) ~$ w j; S - }9 ^$ r0 {+ s/ O* o& j0 w9 `
- #endif0 A; B5 f& ?$ ?/ T7 W
- #ifdef BSP_USING_TIM11( {2 `* }' g# N8 \! n
- void TIM1_BRK_TIM9_IRQHandler(void)0 H3 Z7 t- M" k
- {
* j6 B$ Y- D( {( j' ~ }' y% R2 c - /* enter interrupt */( O9 e$ b* N" S; _* Q# R2 R6 v% Y' L
- rt_interrupt_enter();
& n3 U u8 M" | - HAL_TIM_IRQHandler(&stm32_hwtimer_obj[TIM9_INDEX].tim_handle);
3 `+ Z5 j. U2 j5 w, M: ^ - /* leave interrupt */. X; X; P$ G7 p( O
- rt_interrupt_leave();; m# Y4 [2 V" F% g3 M% L
- }
- L) P1 f7 i* z" O - #endif" K3 | a" B p# H* t/ P
6 ~9 B3 q5 t( N+ m* ?- x- w0 f- #if defined( BSP_USING_TIM1) ||defined(BSP_USING_TIM10)
3 A# M! m h# `, K - void TIM1_UP_TIM10_IRQHandler(void)' w9 Z( x' @/ c2 g1 E
- {
) N2 \) P+ q% a6 v6 s - /* enter interrupt */
) _- L$ v' f& {+ U8 O - rt_interrupt_enter();* s2 L: h# D0 s' ], J5 q
- #ifdef BSP_USING_TIM1
# Q5 j) ?# B8 ?: O" Z d - if (__HAL_TIM_GET_FLAG(&stm32_hwtimer_obj[TIM1_INDEX].tim_handle,TIM_IT_UPDATE) != RESET)
, J- M1 w3 q; A; u - HAL_TIM_IRQHandler(&stm32_hwtimer_obj[TIM1_INDEX].tim_handle); o6 [: j- O/ _" i4 \+ `
- #endif
! F1 s, e. X9 l$ n7 G3 B! x - #ifdef BSP_USING_TIM10
- q7 T# Z9 k7 y0 U' ^ - if (__HAL_TIM_GET_FLAG(&stm32_hwtimer_obj[TIM10_INDEX].tim_handle,TIM_IT_UPDATE) != RESET)
& `. G/ p( _0 L* J4 p$ d' T3 V - HAL_TIM_IRQHandler(&stm32_hwtimer_obj[TIM10_INDEX].tim_handle);- K7 d* y3 }- [; [0 x1 ]
- #endif9 Z) r9 W) ^. C( W- C
- & z$ B; [- i# Z. X, k
- /* leave interrupt */
6 h6 F U( ]& C5 \; @, T - rt_interrupt_leave();+ U A7 i: d4 X$ j, ~! i0 L
- }! L1 R- v# @% k: V. N
- #endif3 ]) ]3 K* Y# M. ?
$ x" E. p/ J: Y- #ifdef BSP_USING_TIM11
& q( m) v- e& L' o {% f - void TIM1_TRG_COM_TIM11_IRQHandler(void)
% D2 ?, W8 |% Y9 v0 m- r9 i - {+ o# y5 B" f% o' K# Y5 n/ R6 `$ ~
- /* enter interrupt */
" c( W* y. T0 l5 H, M" x" Z - rt_interrupt_enter();; ^& T" A" J) ?* w m# k" J
- HAL_TIM_IRQHandler(&stm32_hwtimer_obj[TIM11_INDEX].tim_handle);- j; {7 W& _- g+ W' p4 M- P6 S
- /* leave interrupt */5 o* ^# E2 _8 a" z, x
- rt_interrupt_leave();
3 {4 g% ]4 y1 ^* O w - }
6 r1 ?0 H2 B0 ^. b - #endif( k3 h% w4 x6 l6 A; S: w) M
复制代码 ( R3 D T. `7 q# R' T: o
新建一个usertimer.c,添加示例代码,通过msh调用即可看到效果:
) R7 d+ K8 z( C( K$ C, H. b- /*
+ U: M; p2 ?% F& ?8 ~. R( x - * Copyright (c) 2006-2020, RT-Thread Development Team C3 Q t8 F; J. b
- *" ?; d9 q, u& c& Q4 m8 r* {7 j
- * SPDX-License-Identifier: Apache-2.0/ Q2 A3 Z3 O" y4 \* Y
- *
: `7 @- I7 o2 h - * Change Logs:8 b5 r* p( U7 T6 G0 V) F+ L S5 u
- * Date Author Notes
5 ~+ X) R* ]/ u6 o9 ?4 g2 Q% W, W4 M - * 2020-03-23 ShineRoyal the first version
! g) y8 N6 Q- r2 V - *// \, @+ m* m, I8 s$ A$ S
- #include <rtthread.h>
# T0 G/ U+ n- b6 `6 C$ A! f6 L - #include <board.h>
: t3 V; ~6 `" D3 V, k9 f# p( w - #include <rtdevice.h>
: y- \: |* \ R* e" N: ?
" T5 p# l: h4 M3 P: { \- #define DBG_TAG "user"
; _% G4 B- W4 }0 O% v t - #define DBG_LVL DBG_LOG6 W5 f6 F% R4 r+ N w
- #include <rtdbg.h>
4 V) {3 b+ s2 I E) K; W
7 a* t8 O1 H! p. N( @- #define LED0_PIN GET_PIN(C, 0)
, G2 Y7 b g# B( J7 I - #define LED1_PIN GET_PIN(C, 1)
/ |. ~" L7 n+ I4 G. J - #define LED2_PIN GET_PIN(C, 2)
: r* T- c2 D5 [/ l7 ^5 X- a- H: _8 e - #define LED3_PIN GET_PIN(C, 3), j+ g$ L- y. _" l4 Q* O
- #define LED4_PIN GET_PIN(C, 4)
. k; j! Q5 ~$ l Y( v" X - #define LED5_PIN GET_PIN(C, 5)
$ ]2 v# ^$ N2 ~/ s+ `! q" q - #define LED6_PIN GET_PIN(C, 6)! {3 v7 b! |9 O7 p
- #define LED7_PIN GET_PIN(C, 7)
7 f# ~. s% U7 p7 h1 I- C3 r! c% X - 8 S' W7 h5 @% V% l, k
- 9 S, r6 _- M8 X9 r! F* T
- static int rt_hw_pin_init()
/ K% ^, m$ T3 k% r - {" _$ D) x2 I1 B- r
- rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
( E3 z8 \' h) p7 E$ v) ^; Y2 h - rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT);' L% ]6 |4 w+ o7 k. |- E# V6 k
- rt_pin_mode(LED2_PIN, PIN_MODE_OUTPUT);
- o+ l$ \6 ]4 t- E, w% s' U' u4 v - rt_pin_mode(LED3_PIN, PIN_MODE_OUTPUT);3 W( I" c2 {/ g6 y! D
- rt_pin_mode(LED4_PIN, PIN_MODE_OUTPUT);
0 E9 R6 c* y1 z4 E. b - rt_pin_mode(LED5_PIN, PIN_MODE_OUTPUT);8 }) a3 E2 J5 l" x. k7 \% m
- rt_pin_mode(LED6_PIN, PIN_MODE_OUTPUT);
9 r" p0 B- C: \ \ - rt_pin_mode(LED7_PIN, PIN_MODE_OUTPUT);
' p0 g( i% H* A. @ - return 0;5 G" Y7 K+ N9 s) r
- }8 b3 G- U4 \/ a" F' p [
- INIT_BOARD_EXPORT(rt_hw_pin_init);
0 n4 a+ e7 G) s# u - 6 e- }1 M$ ]# j6 l
- /* 定时器超时回调函数 */2 ]; @& Q& B) a6 U
- static rt_err_t timeout_cb1(rt_device_t dev, rt_size_t size)& K) u3 W; H0 x1 l% G. ? X2 r7 b
- {% |) Y1 s5 f! f# A2 C ^2 S
- static int i = 0;1 x7 H% L0 d* J6 q
- i++;
, \. Y7 q- }" [ - if (i % 2), @: I& A& r6 ^6 X W4 u$ t
- rt_pin_write(LED0_PIN, PIN_LOW);
" l$ H( W X, G' j2 u - else
. ], a4 P, d% Q: |0 E- r5 d& A - rt_pin_write(LED0_PIN, PIN_HIGH);& H- |4 G) Q( E! c! J
- LOG_D("%d",i);$ l( I2 ?4 l% P' \
- return 0;
* W9 S4 ~' r7 t# ^ - }
/ g- g9 b6 E6 O7 H1 J: Z - $ ~! a9 u( X( ]5 _. y& d
- /* 定时器超时回调函数 */- v8 o. L1 {$ k Z9 p6 J3 S
- static rt_err_t timeout_cb2(rt_device_t dev, rt_size_t size)& k; U# d* U$ ~0 W3 h& o
- {1 f3 l* X4 E. x: `# }6 [& R
- static int i = 0;
: b1 F! r! t5 v1 ^( ~ - i++;
; \ B" ^5 h; p9 C6 ?, T - if (i % 2)6 h8 J- C b. w3 Y+ g6 k
- rt_pin_write(LED1_PIN, PIN_LOW);! v5 X4 h% |! {* D
- else& H% s, }) @( c$ [
- rt_pin_write(LED1_PIN, PIN_HIGH);; K* F1 X4 d5 f4 E0 O2 b2 ~( S
- return 0;& E$ P0 W; S) B" u8 |
- }
6 r4 P l7 B/ ]6 W! ?
/ }) U% h t; x8 @- /* 定时器超时回调函数 */
" {! b6 G& z Z - static rt_err_t timeout_cb3(rt_device_t dev, rt_size_t size)6 u8 D) x$ A* I; _' J# I# |; J+ F. s
- {9 x1 ]) z7 l, |/ W6 f
- static int i = 0;+ l [! _) W V) L& Z
- i++;
- R9 J. v$ a- s$ p0 C8 b - if (i % 2)
) R- C" {+ ^3 k$ s - rt_pin_write(LED2_PIN, PIN_LOW);
) s* p% r8 n1 T( h - else
) q7 [4 a4 e% C. O, w - rt_pin_write(LED2_PIN, PIN_HIGH);# R/ L4 ?: _- x
- return 0;8 P7 z( [8 s- {9 B, p4 e7 @
- }
( E3 B: }& M+ u, I7 y
5 A& Y. j& r1 s7 U8 n! u- /* 定时器超时回调函数 */! W7 B' A9 B e j6 b
- static rt_err_t timeout_cb4(rt_device_t dev, rt_size_t size)
6 I4 ~9 n4 G. V- V$ g# T/ P! V - {- ?. I' L; {9 h" `! P1 a
- static int i = 0;
3 i1 @1 t2 O+ G3 p) T5 B - i++;
" m0 _5 I3 q% |5 G$ O. ` - if (i % 2)
. u- ?% b. c! s; W7 w0 L - rt_pin_write(LED3_PIN, PIN_LOW);* N6 w" o2 W, C) y
- else
/ Y* w3 T( \" `5 N - rt_pin_write(LED3_PIN, PIN_HIGH);1 c3 a4 e) ]' r0 K0 f! U
- return 0;
$ W3 K6 O5 \4 `0 G8 D' @ - }
$ J; t" _: U2 j2 o% Y
" a: {) l+ L# m- /* 定时器超时回调函数 */
% v5 O f" S8 V6 B' \% ^: C - static rt_err_t timeout_cb5(rt_device_t dev, rt_size_t size)
5 `3 }' J" H8 w- r6 R# I6 r6 j# k - {
' H- @6 [/ L+ Y - static int i = 0;
5 l! d6 Z0 I' X8 S. o7 z - i++;7 \ `: L* f2 V9 o' B" }
- if (i % 2)3 u, V0 Q, R5 |3 s6 q% v
- rt_pin_write(LED4_PIN, PIN_LOW);+ f3 |( e# V7 r
- else
) g1 x7 j' I7 t4 ^9 | - rt_pin_write(LED4_PIN, PIN_HIGH);& ]8 A1 \: t6 x. p
- return 0;
8 u0 i. G" m$ w! l - }- d1 r( M1 w( Q$ }8 l
- g) k1 ?6 } m- 3 i3 S; Y/ y) |8 f3 y' [8 t
- /* 定时器超时回调函数 */
3 S' Y* T1 f. |" d5 n, | - static rt_err_t timeout_cb9(rt_device_t dev, rt_size_t size)$ H9 L0 z H7 M7 z
- {% I% v% n# l" N% w# x' d
- static int i = 0;
1 Y% H" V+ j9 _1 Z H - i++;
( _- ?% P" _0 M/ }7 j - if (i % 2)
6 q' y8 D+ \9 _. P# ~ - rt_pin_write(LED5_PIN, PIN_LOW);
1 a i: `. _* e T- j2 d - else$ K; u) y9 e( v# z7 r6 M: f( J6 x
- rt_pin_write(LED5_PIN, PIN_HIGH);) T" l/ {9 ^ x( s! ]3 `* C0 Y
- return 0;0 x: B: F4 ^7 _$ O; {6 ^
- }, A1 s9 X7 H# i
- ) G+ w) q: j+ C( G5 j2 G) l) N1 K
- /* 定时器超时回调函数 */
3 c7 e0 ^7 z7 b, p8 x' S( B* W - static rt_err_t timeout_cb10(rt_device_t dev, rt_size_t size)
$ k' \$ t8 P7 J5 {0 i; f - {! F1 g' h- p6 g' V" Y8 z
- static int i = 0;
! o4 `) I! h0 ?9 H) ]; m. D - i++;
* X0 |3 F3 Q4 ~2 @1 c- v, O - if (i % 2)- |& L% T$ A/ \ b; W: O) M
- rt_pin_write(LED6_PIN, PIN_LOW);
6 [' q- k8 ~7 _" H - else5 I. ] f" A& ]1 \) s
- rt_pin_write(LED6_PIN, PIN_HIGH);
) D7 z4 ]0 O$ A& x) y: G - return 0;
+ ~+ g& e. R1 z) I - }
2 G2 \( V8 e) K( }2 K* D
# f) ]) m) c( M( K7 A$ S2 y- /* 定时器超时回调函数 */
2 ^' l8 u; C) i/ Q7 |, @; I' K - static rt_err_t timeout_cb11(rt_device_t dev, rt_size_t size)
7 f, R* h N$ V4 g- Z. U7 n0 @" J - {" t- Q6 g8 k, B4 H% ~
- static int i = 0;
' {; C& U T5 g" f - i++;
) W& k0 a: g5 ?7 H5 d2 W# ~4 q - if (i % 2)
1 t# e5 b3 w0 o6 J - rt_pin_write(LED7_PIN, PIN_LOW);
0 e: r& s/ m8 X! o7 s) U - else1 I& x) Q# |" s/ P: g
- rt_pin_write(LED7_PIN, PIN_HIGH);& s7 }9 C' D2 k% q: _* T
- return 0;0 y+ K5 c1 a, a) O N/ C0 l5 K( ~
- }
" n, y: V% a) F D
) c4 x+ m) g4 Q3 j) |( ?+ H. G- 2 a6 [- j! R0 P+ p) ]* y- q6 m
- static int hw1timer_sample(int argc, char *argv[])+ D. l! l% O% F( }
- {
. F& |8 O& U" ?: G3 K+ J4 l/ S n - rt_err_t ret = RT_EOK;3 x" b" l7 G+ G8 B
- rt_hwtimerval_t timeout_s; /* 定时器超时值 */$ Z/ l! Y- Y) X: o( ^
- rt_device_t hw_dev = RT_NULL; /* 定时器设备句柄 */
6 ]; Y. x; {7 v" J* l7 G3 e - rt_hwtimer_mode_t mode; /* 定时器模式 */& x* R' `3 D. t
; S, W+ V5 ]0 y* y2 e% E- /* 查找定时器设备 */% Z5 H; M* N9 h2 Q8 _% b- B
- hw_dev = rt_device_find("timer1");
" h# J2 A$ e/ C% P6 H% a* @5 q3 J - /* 以读写方式打开设备 */
& r1 a! X" }4 j& A2 H8 R' p" r - ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR);0 U( C X9 `0 w. s
- /* 设置超时回调函数 */
% f9 ~- Q8 D& q: k9 u0 o/ @ - rt_device_set_rx_indicate(hw_dev, timeout_cb1);
7 g2 x- i9 B3 [0 X# y$ w1 W# j1 N* J - /* 设置模式为周期性定时器 */
3 g9 V. M7 d# R+ A2 P T) J - mode = HWTIMER_MODE_PERIOD;
0 o1 m4 h0 v5 {& N8 ` - ret = rt_device_control(hw_dev, HWTIMER_CTRL_MODE_SET, &mode);
$ S+ f' _8 K( W, i1 A9 G6 _6 N2 Z, f/ c - /* 设置定时器超时值为5s并启动定时器 */& I, @' A& x' N- P
- timeout_s.sec = 1; /* 秒 */
5 I. s4 m0 _& ^2 x8 \2 f' F - timeout_s.usec = 0; /* 微秒 */
, |$ J+ Z6 c0 ]. ]* E - if (rt_device_write(hw_dev, 0, &timeout_s, sizeof(timeout_s)) != sizeof(timeout_s))$ H# R7 ~' s$ h
- {
, A2 ^! H6 V5 ~* y - rt_kprintf("set timeout value failed\n");
- x* X" m4 c0 P% V- I' T - return RT_ERROR;
, j U8 U. K9 a/ ^; o" P - }
- o, ?2 [$ g+ I - return ret;' c2 V3 X5 q8 C" l* j
- }# J- A9 G1 @$ |( y' O
- MSH_CMD_EXPORT(hw1timer_sample, hw1timer_sample);* H+ F# Y- U/ b5 }+ {! a, {
- / A. T. C6 Q* B
- static int hw2timer_sample(int argc, char *argv[])
' l2 n' \8 }" b5 y - {
) T( ^5 W; o) C: p - rt_err_t ret = RT_EOK;* V! x7 x" X8 o) [
- rt_hwtimerval_t timeout_s; /* 定时器超时值 */ h0 \! y( F( C$ A- h7 }
- rt_device_t hw_dev = RT_NULL; /* 定时器设备句柄 */
1 b( [# _$ |( W+ D) S - rt_hwtimer_mode_t mode; /* 定时器模式 */( {. _0 M; Q4 X5 d
. }, d# Q2 b% o! D$ E) Q: B3 c- /* 查找定时器设备 */
- c+ `9 Z# U8 I& B' B. l6 ? - hw_dev = rt_device_find("timer2");; J; m/ u* t1 s/ J; h: s- V
- /* 以读写方式打开设备 */" s# x" U) F* {2 x: L! g
- ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR);
3 y' X; e: v6 W4 W0 w: Y1 w. E" j' u) { - /* 设置超时回调函数 *// ]5 d9 }- f5 N- F: Z( ~
- rt_device_set_rx_indicate(hw_dev, timeout_cb2);
: \! i6 Z- h8 C3 ^+ ?8 k8 | - /* 设置模式为周期性定时器 */
' U3 J) h; ?3 T r% x - mode = HWTIMER_MODE_PERIOD;
/ |. n) D) r$ L( P o - ret = rt_device_control(hw_dev, HWTIMER_CTRL_MODE_SET, &mode);
! f# c. h& B/ |) b, q - /* 设置定时器超时值为5s并启动定时器 */1 K. T7 J% D. c9 a; H* Y! Z
- timeout_s.sec = 1; /* 秒 */
/ J4 _, Y u- h& j0 m - timeout_s.usec = 0; /* 微秒 */
6 C: R( ?2 k2 M+ j - if (rt_device_write(hw_dev, 0, &timeout_s, sizeof(timeout_s)) != sizeof(timeout_s))2 e, g, A( X8 C% Z* _" S
- {
' ~& K( c, a% R! q: R8 Y5 ? - rt_kprintf("set timeout value failed\n");4 d, R( j# D# x$ N& d
- return RT_ERROR;1 b! J! J9 d7 L$ X
- }
! E L: N8 d! c - return ret;' ?/ }4 `2 f. e9 |
- }
4 E$ z2 ~ P* A c$ J1 m - MSH_CMD_EXPORT(hw2timer_sample, hw2timer_sample);
# @3 a5 ?0 {; w* }9 P. f
% l9 k- _7 y `- static int hw3timer_sample(int argc, char *argv[])
5 j1 p6 W6 F W- C. `0 i! T - {
* o7 m5 |- O# K& ] - rt_err_t ret = RT_EOK;
9 r: R9 E/ y0 W* v4 i1 t+ D7 V - rt_hwtimerval_t timeout_s; /* 定时器超时值 */% s5 [9 s8 Y! S: d* D
- rt_device_t hw_dev = RT_NULL; /* 定时器设备句柄 */5 V G1 o% w7 j
- rt_hwtimer_mode_t mode; /* 定时器模式 */
- S. x2 q' [- z& [! a2 x' U
J$ m* {* x3 D- /* 查找定时器设备 */
8 Z2 X' V- x3 r - hw_dev = rt_device_find("timer3");9 R1 R" }( j, m$ t& a
- /* 以读写方式打开设备 */
- S8 h0 o4 o8 N. \/ k9 x; Q - ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR);$ ?6 f$ Q8 R0 h; k/ v8 p3 s1 z
- /* 设置超时回调函数 */% p5 v" X! j* h: Z, b, [2 C
- rt_device_set_rx_indicate(hw_dev, timeout_cb3);! l# h$ l6 l+ D. Y
- /* 设置模式为周期性定时器 */
+ [( G! s6 |8 a8 ]2 v q - mode = HWTIMER_MODE_PERIOD;
% E, _. q0 `; {4 ` - ret = rt_device_control(hw_dev, HWTIMER_CTRL_MODE_SET, &mode);
8 d( A2 R* T" S; b8 d9 b6 ?+ L - /* 设置定时器超时值为5s并启动定时器 */
$ n& a0 n3 S6 `; c5 J. H/ j - timeout_s.sec = 1; /* 秒 */
% J, V; b5 H; J, g! z! J5 k - timeout_s.usec = 0; /* 微秒 */% u) O9 W& i2 i& H
- if (rt_device_write(hw_dev, 0, &timeout_s, sizeof(timeout_s)) != sizeof(timeout_s))' Z U" u! ~3 J
- {
! S# g% s! t. W& b' y/ _ - rt_kprintf("set timeout value failed\n");
# A5 L- y: f s4 X( z! I8 v - return RT_ERROR;2 {, c1 x1 D3 k4 w' R$ J5 s
- }! Y" x5 H7 w# B" J# }9 g6 S
- return ret;! f, i% B! V1 |! X6 i8 E
- }
/ V9 B& |4 `% R - MSH_CMD_EXPORT(hw3timer_sample, hw3timer_sample);
* H- [0 z7 t. h, u
5 F! w: x7 k4 {! }! L8 U: }- static int hw4timer_sample(int argc, char *argv[])
4 E8 g x$ S& D- @$ \+ } - {
! ~0 H2 m" i& h0 H! M& D T* t: q: G - rt_err_t ret = RT_EOK;9 p& l/ L+ J$ u) J& U# l6 C
- rt_hwtimerval_t timeout_s; /* 定时器超时值 */! {/ ]% A8 l: x* D' w& d7 Q# ?
- rt_device_t hw_dev = RT_NULL; /* 定时器设备句柄 */* p! I2 h+ q1 A
- rt_hwtimer_mode_t mode; /* 定时器模式 */3 m3 H# |: F8 U) |3 F& v
- ! x+ A, j0 n" F7 f; v: Q) v
- /* 查找定时器设备 */ ]; }) W3 _2 L- r9 i% F( {: _
- hw_dev = rt_device_find("timer4");! h' ~) T; b5 _! {9 b3 j, m
- /* 以读写方式打开设备 */4 N w& u$ b+ V
- ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR);
" G0 K% B, R8 u - /* 设置超时回调函数 */
/ c3 F* a/ F+ y* B9 Z! g K+ d - rt_device_set_rx_indicate(hw_dev, timeout_cb4);
9 U7 U- d- R H5 n3 S' y - /* 设置模式为周期性定时器 */, v% l! [5 w6 |
- mode = HWTIMER_MODE_PERIOD;
5 h( M+ V$ P3 ?9 @0 j - ret = rt_device_control(hw_dev, HWTIMER_CTRL_MODE_SET, &mode);
Z4 ]3 S+ ~! {' \ - /* 设置定时器超时值为5s并启动定时器 *// o8 V) O% _7 |; _. `7 {& ~
- timeout_s.sec = 1; /* 秒 */2 m2 H6 Q4 q3 L( h3 |( Q
- timeout_s.usec = 0; /* 微秒 */1 ]" ^9 l' z! \
- if (rt_device_write(hw_dev, 0, &timeout_s, sizeof(timeout_s)) != sizeof(timeout_s))
! g9 _0 e. R) F! o5 Y$ E - {" v P& S# w* h, Y/ _
- rt_kprintf("set timeout value failed\n");
( }% @ J N S - return RT_ERROR;3 \9 `; O7 f& J. S6 j: S
- }& s+ l$ G' V4 L4 z# J* W8 u
- return ret;
+ e* ] i& Y4 I8 l. T/ j - } x: |. M r( x& p6 |9 q
- MSH_CMD_EXPORT(hw4timer_sample, hw4timer_sample);- M4 c4 s( K1 W
- / _+ |" a# v, o8 |" I7 t
- static int hw5timer_sample(int argc, char *argv[])
+ @; \: {& P5 g - {
" ?2 s; P# B, [( l - rt_err_t ret = RT_EOK;
' |- n: H2 y# @% j" J3 o& F# U) S - rt_hwtimerval_t timeout_s; /* 定时器超时值 */3 y" S) _9 |9 L+ J- z/ x$ j& A. c* I
- rt_device_t hw_dev = RT_NULL; /* 定时器设备句柄 */
T r- u+ J; D! }' z - rt_hwtimer_mode_t mode; /* 定时器模式 */+ W# R2 F, y" J/ y9 Q
- 8 Q5 w+ R1 X5 h# S
- /* 查找定时器设备 */
9 @5 _( L) Z( o% _+ l/ I; w - hw_dev = rt_device_find("timer5");2 a8 K1 o7 ~5 ?* N' }! t5 X) S" M& L" F
- /* 以读写方式打开设备 */; X% _7 s- p$ R v' b
- ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR);
- N$ Y/ \' H- P$ ~/ u, s - /* 设置超时回调函数 */, ] O7 K' U& a
- rt_device_set_rx_indicate(hw_dev, timeout_cb5);( \( Z8 w7 a1 x; \8 t2 O" T/ ^8 g
- /* 设置模式为周期性定时器 */; D. k/ o4 q2 P% j) f/ X6 Q
- mode = HWTIMER_MODE_PERIOD;
- h, \) k8 f8 D' i( F/ B7 f( T3 z - ret = rt_device_control(hw_dev, HWTIMER_CTRL_MODE_SET, &mode);' ]3 I# {6 \' `
- /* 设置定时器超时值为5s并启动定时器 */4 d+ k& [6 U, B
- timeout_s.sec = 1; /* 秒 */. F3 U6 o, _- T! R& l( A; g/ r
- timeout_s.usec = 0; /* 微秒 */6 x) B4 S+ ?* h: Q, r" N1 K
- if (rt_device_write(hw_dev, 0, &timeout_s, sizeof(timeout_s)) != sizeof(timeout_s))
6 f4 m; M8 q. S* `& Y - {
: y' ~/ v7 U6 N4 S' T! B6 Y - rt_kprintf("set timeout value failed\n");% l3 l$ m; q4 I
- return RT_ERROR;/ P9 y6 S5 i( W( Q
- }
8 M+ S/ n( \8 c$ E* S' W - return ret;
) K/ X) N3 ]# _7 g* E - }# l3 M* y5 T; c
- MSH_CMD_EXPORT(hw5timer_sample, hw5timer_sample);
9 S1 K0 a m0 N. r1 w
) m9 H y7 \/ t# K9 K* m- static int hw9timer_sample(int argc, char *argv[])
- R. b+ P' }) {8 t2 T- k - {4 N7 c9 e. K- `6 q1 Q/ }8 |% K
- rt_err_t ret = RT_EOK;
8 M2 `( k x6 ^* ? - rt_hwtimerval_t timeout_s; /* 定时器超时值 */5 X" b4 s- e' g! h3 \1 O( C9 E; o
- rt_device_t hw_dev = RT_NULL; /* 定时器设备句柄 */1 m9 N- M# U6 u& @/ ?& a2 T
- rt_hwtimer_mode_t mode; /* 定时器模式 */# s8 T' x: ~' L9 V, L8 p
* m3 k, s; f7 H$ u: i4 u k- /* 查找定时器设备 */$ _ b; Q9 A' a) C
- hw_dev = rt_device_find("timer9");) Z/ E1 C. k, j
- /* 以读写方式打开设备 */
1 v' t9 R) C4 E, G. Q4 c - ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR); A- s2 l8 x# E8 E1 _
- /* 设置超时回调函数 */: t, C0 s7 c7 e$ j* W }2 e" t! }3 o
- rt_device_set_rx_indicate(hw_dev, timeout_cb9);+ @' t+ d) i+ O4 n U
- /* 设置模式为周期性定时器 */# }5 _ j& h0 z
- mode = HWTIMER_MODE_PERIOD;/ J: }7 z1 q! ]) Q+ Z
- ret = rt_device_control(hw_dev, HWTIMER_CTRL_MODE_SET, &mode);0 b8 U3 T. Z. K/ |7 e& [/ A, }+ h
- /* 设置定时器超时值为5s并启动定时器 */
4 ~2 K7 t( n- ~ - timeout_s.sec = 1; /* 秒 */
; n& \2 t- a$ r, { - timeout_s.usec = 0; /* 微秒 */
9 J* L9 x, z% c/ I% ]" w0 x! ] - if (rt_device_write(hw_dev, 0, &timeout_s, sizeof(timeout_s)) != sizeof(timeout_s))
* a, y/ s; [6 k$ f - {" f, T' l$ I/ g+ x2 k& P5 K7 |
- rt_kprintf("set timeout value failed\n");$ }* a, o3 c4 f
- return RT_ERROR;
& G0 J- C# o# }- D# g - }0 t( q6 h4 S' Q% j- k# }
- return ret;8 D9 I* g8 Z# a$ F x
- }
1 U( U. |) L# ~% G - MSH_CMD_EXPORT(hw9timer_sample, hw9timer_sample);
; l% p3 j; g# F: ] K" D
) @( n" H( B8 q0 N* \( {5 x1 P- static int hw10timer_sample(int argc, char *argv[])8 z% e: m" H8 E D$ k( K
- {3 B' ?9 x, n g3 W
- rt_err_t ret = RT_EOK;
* o- b; k5 I3 c8 Z* @7 k% p - rt_hwtimerval_t timeout_s; /* 定时器超时值 */
1 ?- _1 l; {( q - rt_device_t hw_dev = RT_NULL; /* 定时器设备句柄 */
8 w v8 M% V! r$ z0 H: U - rt_hwtimer_mode_t mode; /* 定时器模式 */
7 }. K/ a- l* V: _ - 1 {9 \7 j$ }4 X
- /* 查找定时器设备 */
- Q4 Z' ~- }& y, b: g - hw_dev = rt_device_find("timer10");4 J2 L& u7 |" O, v, i2 K/ P; I
- /* 以读写方式打开设备 */
7 d. H: q1 W% w - ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR);; z1 g$ \3 X1 x5 z2 W4 m
- /* 设置超时回调函数 */
5 H( q4 m/ c+ _# E1 d1 \ - rt_device_set_rx_indicate(hw_dev, timeout_cb10);
0 I& q* K8 X* [! u' Z2 T - /* 设置模式为周期性定时器 */6 B' L. O Y9 ?7 w/ a- V
- mode = HWTIMER_MODE_PERIOD;4 j0 @/ s4 i1 J9 \' c) k% ~
- ret = rt_device_control(hw_dev, HWTIMER_CTRL_MODE_SET, &mode);8 s$ W5 ^: \( ]
- /* 设置定时器超时值为5s并启动定时器 */
5 m% J* t5 t# a) {; \5 i) F$ U - timeout_s.sec = 1; /* 秒 */
% u( y4 C8 _; a - timeout_s.usec = 0; /* 微秒 */
; Z7 }. d8 r: D - if (rt_device_write(hw_dev, 0, &timeout_s, sizeof(timeout_s)) != sizeof(timeout_s))
1 z& f" a1 d* d( _/ l - {3 Z9 M: k, D( ~/ ^6 y% f7 t( w
- rt_kprintf("set timeout value failed\n");8 q- t9 o) E) A" n
- return RT_ERROR;
9 B/ o8 c8 D9 l/ W5 [- d - } ^7 M% I5 {' B8 Q% i+ G
- return ret;
2 ]; R& t" @+ w4 |0 y- p! p6 K' O# L - }
3 D9 n/ T5 U% D1 {8 `! I; A - MSH_CMD_EXPORT(hw10timer_sample, hw10timer_sample);) D$ j# J- z; z& d1 } n
- , i! i" e9 |5 Q$ Z- m
- static int hw11timer_sample(int argc, char *argv[])
+ _+ O+ G, z# A; L+ ]1 o* e5 y - {( S$ V0 v; I, W8 C0 f G- y3 g+ ~
- rt_err_t ret = RT_EOK;
$ T3 ?5 B# b* V3 i" [$ J* B7 P - rt_hwtimerval_t timeout_s; /* 定时器超时值 */
9 j; B6 d/ ^1 E9 C- x- c' U; U/ K - rt_device_t hw_dev = RT_NULL; /* 定时器设备句柄 */
7 Z4 a0 Q' J8 G- @ - rt_hwtimer_mode_t mode; /* 定时器模式 */0 c, C, L4 N2 o) E& j
5 B+ { x5 J+ o0 G6 u) _- /* 查找定时器设备 */
3 m( X8 S% X8 h7 l- c7 Z: `* O& r - hw_dev = rt_device_find("timer11");: j8 A% N7 W) Q! a( \- o" ~/ v
- /* 以读写方式打开设备 */
- e0 M2 r5 n, Z+ Z. M3 n5 y& Q - ret = rt_device_open(hw_dev, RT_DEVICE_OFLAG_RDWR);
8 G) u9 q* x6 _3 Y, e4 o |* { - /* 设置超时回调函数 */& J; e* @: O- q; {. `
- rt_device_set_rx_indicate(hw_dev, timeout_cb11);
, n0 ]# K8 K) T8 x - /* 设置模式为周期性定时器 */
" q( m2 v5 w( f - mode = HWTIMER_MODE_PERIOD;3 N. ?: W% S ]$ N* E
- ret = rt_device_control(hw_dev, HWTIMER_CTRL_MODE_SET, &mode);8 Z" r% }8 g6 d5 H2 h9 k
- /* 设置定时器超时值为5s并启动定时器 */+ N7 g$ Z+ C8 T7 V0 o0 s
- timeout_s.sec = 1; /* 秒 */
' p6 a; @$ B1 ^7 q* ?; a - timeout_s.usec = 0; /* 微秒 */
. _$ W2 ^ J& J+ I$ ^" T: m - if (rt_device_write(hw_dev, 0, &timeout_s, sizeof(timeout_s)) != sizeof(timeout_s))
9 t& ~9 i' e( `8 G5 D, _6 q - {. ]) w& s/ b! y: C O% g1 Y6 m H
- rt_kprintf("set timeout value failed\n");+ {2 y4 l2 T5 W0 ]+ _
- return RT_ERROR;6 t% {, }1 L5 D* P* B
- }
, S/ x- A6 B3 I; N2 |/ ~ X! Q - return ret;& G6 \# b( b# f! a
- }( i0 E8 o4 N) f3 _
- MSH_CMD_EXPORT(hw11timer_sample, hw11timer_sample);) w- u( d3 k/ A: w
- " b: f2 L# ?: w9 p% G5 [
复制代码
0 f& m* }" o k: E6 m' o7 ?0 M. i# N注意,定时器1的定时会快一倍(这里是1s的间隔,但定时器1会500ms进一次中断),尚不清楚是rt-thread的库造成的还是硬件本身时钟相关的原因,后续在研究。9 E& K* ~3 r! Y% N- g n) p- q1 L* ~) c
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