1.创建好带有printf-stdarg.c的FreeRTOS的工程9 H$ [- h" U3 I7 i. H
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2.修改main.c文件
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" C/ u) F; a5 W- /* USER CODE BEGIN Includes */
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- #include "FreeRTOS.h"
) J) {+ Y ^+ d5 J6 \$ V& L; Z1 X - #include "task.h"3 |6 d7 T( v' Z5 q; k* M& y1 D
- #include "timers.h"
, | j# _# t d. x9 F0 G6 j - #include <stdio.h>9 b: ^) J# z" A' |- P$ {* C: q
- #include <string.h>6 ~; D: O/ i( X" W& N; b
0 Z) Y. o, Z* Y- /* USER CODE END Includes */( L5 ~( D) w0 `$ `" @$ e/ y A, `
- /* USER CODE BEGIN PV */8 S$ \: D1 `# n' Z( m+ m% J* l& G
- static TaskHandle_t AppTask_Handle = NULL;
, k( k8 h2 r& v4 X* t - static TimerHandle_t Timer1_Handle = NULL;0 `2 F- f# h; n/ o( f5 d; ?
6 I; u( R L: `" Y' X% p# \- extern int f_printf(const char *format, ...);
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' @; }* b: S9 S8 o! O5 E- /* USER CODE END PV */) W: _# d* G2 A7 i
2 W4 G1 L5 i4 ?$ w4 {1 D- /* Private function prototypes -----------------------------------------------*/
" d+ ]6 U+ f: l+ j - void SystemClock_Config(void);
- i' J B. [" x: G; A - /* USER CODE BEGIN PFP */
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L' T" Z. l) u3 g- static void AppTaskCreate(void);
' Z# {8 `5 S/ Q: [4 y. w - static void TimerCallback(void);
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% ^& ]0 n6 b; |3 @* d2 t3 s. N8 S- /* USER CODE END PFP */
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. B) @! P9 o& `* v- int main(void). @/ R, e% y, u( ^' d9 C
- {
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- */
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- /* USER CODE BEGIN WHILE */
4 z4 Y7 K2 W6 ?5 r% n& |5 f) C - UBaseType_t xReturn = pdFALSE;7 x( P' B& |. ~
6 d; l! ?2 X" A, d2 K- xReturn = xTaskCreate((TaskFunction_t)AppTaskCreate, q# O* ]7 Y1 ^6 `9 x9 [
- (const char *) "APPTASKCREATE",+ c) x/ I0 U G- K8 t+ p1 F
- (uint16_t) 128,
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- (TaskHandle_t *)&AppTask_Handle);- V% Q# O" B8 o0 y
0 J0 E" y" O. z0 j- if(xReturn != NULL)" _4 c8 L% c. D0 D. z
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- f_printf("Task Create PASS.\r\n");
; y2 g" y3 i) [/ v. x' N' ^5 m! \ - vTaskStartScheduler();
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-
; Z: i' a) E' O4 y - while (1)2 W/ R* w U( B1 l; J& g1 G
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- /* USER CODE END WHILE */+ K1 r$ K5 c' Z/ q
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- }
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2 S3 E% e: x- N( f; w0 b7 t- /* USER CODE BEGIN 4 */2 B1 t; j8 s* n
- static void AppTaskCreate(void)
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1 h4 v" H. K( n1 b4 b p* H. ? - BaseType_t xReturn = pdFALSE;
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- Timer1_Handle = xTimerCreate( (const char *) "TIMER1",(TickType_t)1000,' p( h% ~2 f& U1 G
- pdTRUE, (void*) 1,(TimerCallbackFunction_t)TimerCallback);9 y' t( h& ^( I- i
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- if( Timer1_Handle !=NULL)2 s$ u: `1 J* |5 K6 }- l, f
- f_printf("Timer1 Create PASS.\r\n");
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8 A1 ^ G$ k! b- f2 x- L: G5 j$ R - xReturn = xTimerStart(Timer1_Handle,0);+ Q3 L8 S/ ~3 B3 M2 U) C
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- if(xReturn != pdFALSE)! o- f1 k1 c1 k" y: o. S& U
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- f_printf("Timer1 START.\r\n");& O2 @9 T! U# [6 r0 I
- vTaskDelete(AppTask_Handle);2 Q6 ~7 z" D6 ? ]
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- static void TimerCallback(void)$ [% Q# r2 l& W+ E- @( s. Z+ k2 b
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- HAL_GPIO_TogglePin(GPIOB,GPIO_PIN_1);
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- /* USER CODE END 4 */
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