1.创建好带有printf-stdarg.c的FreeRTOS的工程 f' }: p8 e7 p6 X
1 P1 e, k3 d4 l9 X& A9 d: Y$ K
2.修改main.c文件( j0 q, a0 I0 l
- w+ `% n) P+ t5 i' J
- /* USER CODE BEGIN Includes */
. N7 L* a6 N3 u" M; L: r - 9 S; R' C o2 k0 E
- #include "FreeRTOS.h"
4 ^9 ]/ H( O/ T1 W9 V - #include "task.h"9 o! X4 e3 [' E' R9 `7 ^4 H
- #include "timers.h"
( r1 o- P7 E* g3 F6 q* { - #include <stdio.h>
) z. b0 K* ]- x' ]/ J- l - #include <string.h>
/ N: f0 U/ r: l8 y @* s - + o# x9 u, P/ B" O
- /* USER CODE END Includes */# E- o3 \+ Y' X# t k: t- F
- /* USER CODE BEGIN PV */) S, b8 w* b( n; E/ Q
- static TaskHandle_t AppTask_Handle = NULL;- \ r( _+ E% {6 j' ]2 w
- static TimerHandle_t Timer1_Handle = NULL;
& U5 N# Z+ F0 z9 `1 f4 F
+ `2 l7 N' V G: Z2 l- Y- extern int f_printf(const char *format, ...);) a! T, r5 p8 }, n; v' n
; J, _* }: i! {6 J6 E8 e# l1 e- /* USER CODE END PV */8 e7 ^) G5 c) d0 f) u; p
- . {+ C$ X7 U7 }. H3 A# K0 S
- /* Private function prototypes -----------------------------------------------*/
8 ]/ F3 [9 N1 J/ l - void SystemClock_Config(void);' @! N" z! Z) E c: h8 z4 I" x
- /* USER CODE BEGIN PFP */( U2 ?/ Q( W! p' S; k E8 S# q& D
6 g% S w5 O% v. z5 q- static void AppTaskCreate(void);
. r0 e2 n( k# l* x1 v7 i! j - static void TimerCallback(void);) A2 ]1 G, V8 r) {; a9 L. b$ j+ d
, u& a6 @, x1 [! y0 @5 d, x- /* USER CODE END PFP */! v% I& i! R7 G% f
- $ s3 g0 k2 d3 s' s8 P/ I6 D
- int main(void)( X/ Q" n- g( L8 ?
- {% N5 U4 C, v+ b# V/ t
- /*
% f2 M; w) k% r- V6 k& e+ n - *
8 \, [- D. \: H2 o4 V* T9 O. n - */
6 X2 c) N) N# C3 m - 7 X1 z1 r/ g2 N; f! O
- /* USER CODE BEGIN WHILE */
" b. M u7 l3 O - UBaseType_t xReturn = pdFALSE;
/ C: C! O- l. U0 _% O
- J7 X. c# J# B3 c& B5 C- xReturn = xTaskCreate((TaskFunction_t)AppTaskCreate,0 c, E. r- _1 S, m* u! D7 o
- (const char *) "APPTASKCREATE",
$ V) L- f, x- `$ V3 f: V5 g - (uint16_t) 128,3 ^/ @3 U- o9 z+ z
- (void *) NULL,; P0 j2 H g: m5 H, x w# @+ s
- (UBaseType_t) 1," d) E* @8 G8 W: ?- y+ [, T
- (TaskHandle_t *)&AppTask_Handle);! `$ n! p$ k4 M9 h; L4 Q) _- W9 }: x
- % v: Z, M% z0 w
- if(xReturn != NULL)
1 k' `. Y7 w. n" k" e - {4 A5 X2 Y8 t: N8 U$ ]/ s
- f_printf("Task Create PASS.\r\n");, V, s2 C: z% o+ X; i) N$ `
- vTaskStartScheduler();
( O7 n: o" s- `1 B - }' n5 `6 F# A9 N1 e$ c
- ) n7 Y5 l) X+ H. u) |* z9 m) X5 d5 o
- ! [/ }8 _/ l5 T) _
- while (1)
1 }0 @$ X0 ]6 Z# Q. J - {
6 ~$ ~ I. ]9 l- X - /* USER CODE END WHILE */; E, J! r0 e( B8 b9 A3 \3 j; w
. d, N- w* _8 D8 F, O- S- /* USER CODE BEGIN 3 */0 O7 Z+ K d: _% i! N
- }' G4 Z" B- J7 j& x3 ~( |
- /* USER CODE END 3 */
+ E* Y7 p- \% Y- s; S - }
, I8 }7 g$ P3 {+ \# H - 9 X+ ^! ^/ J0 V( G$ i9 l
- ) G: h4 h1 I( Z8 k: C1 ~5 k
- /* USER CODE BEGIN 4 */9 u3 i& w, y; o q8 {' {' }8 g( s
- static void AppTaskCreate(void)
# K$ x# |2 A+ X c V* v8 ~0 F - {$ C: }% q( G- T) ^3 K$ N
- BaseType_t xReturn = pdFALSE;* N8 I: J/ O2 @4 }
- $ o1 s. K2 ?, a* D7 `$ E
- Timer1_Handle = xTimerCreate( (const char *) "TIMER1",(TickType_t)1000,
) f. ~, R+ U/ L! L9 F( I# V8 W' u - pdTRUE, (void*) 1,(TimerCallbackFunction_t)TimerCallback);
# V* G( j6 m4 ^* x- R$ D - 0 T6 J. n1 ?: N6 g
- if( Timer1_Handle !=NULL)7 C2 D$ I9 Z( \( d. {
- f_printf("Timer1 Create PASS.\r\n");0 X( Q- j) A+ o/ m. w# ]. f" [5 i
- ' P9 m0 K/ K& {6 W) ]* W
- xReturn = xTimerStart(Timer1_Handle,0);
0 c" h% Z0 n. T. E0 H - : J! Q1 X* c/ a# X( ^4 t2 P2 @
- if(xReturn != pdFALSE)4 W D r9 ~. H$ S. ~
- {
0 p7 V6 l4 d; W# } - f_printf("Timer1 START.\r\n");
7 {( @' ?4 Q9 A5 Q$ k7 S) n1 ~ - vTaskDelete(AppTask_Handle);0 \6 ]8 u3 Q) w7 V3 o4 \; ~
- }& a+ a8 x' V9 @! {0 w9 O2 ?+ U p
- 0 U5 v& V' F3 G6 M' J+ [
- }
: `! Y2 Z" ?$ E# N6 e - static void TimerCallback(void)
, J9 t7 v0 {( o2 _; ^6 O. V- M - {
$ l" ?" G5 m! @3 p+ g - HAL_GPIO_TogglePin(GPIOB,GPIO_PIN_1);( H2 X0 o, [; W7 d& J- Y9 E: D
- ! F/ ^. Z) u! b5 L( |+ D. W. z
- }
5 v s6 r8 \" c0 _' G' m - /* USER CODE END 4 */
复制代码
4 w1 _4 E& {: J" |
8 y( F# W9 I% @& \3 I( r2 l: O7 w/ P5 L/ Y* g
|