开发板到了，先点个灯吧，使用STM32CUBEMX,对HAL库还不是很熟悉，才开始还走了一点弯路，不知道HAL_GPIO_WritePin（）函数如何设置，后来发现原来在这里， 呵呵，见笑了，参考了汇总帖才弄好。

以下是main（）函数，总体感觉HAL库还是很好用的，要是有更详细的文档说明就更好了。
/**
6 F8 i( B; `) W9 X6 N& J  ******************************************************************************
# N8 Y* V! o+ J5 }# P3 V& }) }  * File Name          : main.c
  * Date               : 25/12/2014 16:24:54
  * Description        : Main program body
4 t' w9 O$ h& v( D* b9 L+ A4 @, Q  ******************************************************************************
  *
0 X1 @( |1 |1 v2 G  * COPYRIGHT(c) 2014 STMicroelectronics
, E1 W  _/ w. N+ ]; |) f+ E' p. q' `  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
3 F6 D/ Q( \1 L# m2 u/ l  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
$ }4 ]6 T8 }! s  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
8 f' g0 Q9 \- B4 e) j0 N8 n- H* b  *   3. Neither the name of STMicroelectronics nor the names of its contributors
; L- c6 k" @8 n  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
! G. {+ G$ W6 X/ `# s  P; o' T  *
' Q' e$ Y9 Y' B) {9 F' w2 a# t  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
$ I' I3 Y" K( N7 s  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2 |: I5 U$ Q' d$ h  f  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
6 [9 }$ J0 ?+ i  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
6 C9 v/ Y: q/ l$ R  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
3 y6 C. |" [* d# G5 m$ E' Y: h" X% x  ******************************************************************************
2 _9 O1 R) [& M4 g/ D  */

/* Includes ------------------------------------------------------------------*/
' y: }. _+ f- g: u8 I: r#include "stm32f0xx_hal.h"
* P! Q1 Y. y/ z# q9 }# k- I9 q6 y
/* USER CODE BEGIN Includes */

) k3 {) H# ~& e: @/* USER CODE END Includes */
$ [7 U8 Z% z' v, ^. c" f# K
/ L1 X, ^2 I& j  o! Q1 r( |/* Private variables ---------------------------------------------------------*/
% p0 D! g) U- p
/* USER CODE BEGIN PV */

/* USER CODE END PV */

1 ?! _! A7 W6 y# q/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);

/* USER CODE BEGIN PFP */
# R0 [# h1 j. ]. O. h; V8 U+ i; L/ h
/* USER CODE END PFP */
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/* USER CODE BEGIN 0 */
) U2 o& S, A  E5 Y: {$ H
% I% X, y/ e- a1 l' _3 g- ^/* USER CODE END 0 */
: U2 H7 d5 R, @1 Y" n
int main(void)
{

, d; I0 f  A6 k  S. X/ f  /* USER CODE BEGIN 1 */
6 q: T. n' |0 Z- t  C- x
  /* USER CODE END 1 */

" W) K( o; m1 @  /* MCU Configuration----------------------------------------------------------*/
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5 l3 D6 b6 _. x  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();
" m. ]' ~/ a& {
  /* Configure the system clock */
/ a" k/ S# T; t( f2 q  SystemClock_Config();

* i; t& K- \% o9 M& [  /* Initialize all configured peripherals */
; \% ?! @% I9 f+ V3 }. C7 q  MX_GPIO_Init();
6 V* F( U8 V4 f. [5 s0 M
  /* USER CODE BEGIN 2 */
& V! N* L3 p! Q  
" L5 |, T" Z3 W3 d' }  /* USER CODE END 2 */
  d. m' J. W1 h. h6 G. ?% A
  /* USER CODE BEGIN 3 */
  /* Infinite loop */
6 O* j/ E" ^7 R$ W) }7 L# k  while (1)
( ^3 k/ S0 f1 x# E$ N  X' O  {
     HAL_GPIO_WritePin(GPIOA,GPIO_PIN_5,GPIO_PIN_SET);
         HAL_Delay(500);
2 E# ?3 V& Z- M1 b* E6 M) Z) _" Y) W  g         HAL_GPIO_WritePin(GPIOA,GPIO_PIN_5,GPIO_PIN_RESET);
, b' |2 `/ {+ {1 g6 m. |         HAL_Delay(500);
" J8 Y  I2 W: O( j, W8 k  }
2 I8 k5 V% B% `9 z+ \; Y/ p  /* USER CODE END 3 */

}

/** System Clock Configuration
*/
void SystemClock_Config(void)
{

  RCC_OscInitTypeDef RCC_OscInitStruct;
$ B+ g1 V5 I: |6 ~/ V$ ?  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
( m4 N2 O) M! ^3 s: B1 Y  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
' i  q% C. D5 H0 N! m( H, W, M  RCC_OscInitStruct.HSICalibrationValue = 16;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
  HAL_RCC_OscConfig(&RCC_OscInitStruct);
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+ d% h+ H7 G7 `8 h5 M7 O: r  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
. g7 b+ h2 s/ q  R1 a4 M  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
$ Z& f- w5 m4 w+ ^8 U) f+ n  S& w  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
0 {. O. E5 b2 l. e  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0);
/ q; c" @9 W1 b4 r( b; K
  __SYSCFG_CLK_ENABLE();
2 r5 I5 N- m% e
( r1 m1 n& ?) _2 d2 r( B* ]! d}
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/** Configure pins as
2 @* T2 \! G# E+ r" P& E) f        * Analog
        * Input
        * Output
        * EVENT_OUT
  m6 ^7 h) X: ^+ w        * EXTI
# b; d. z8 ^# \9 O' d. T*/
# R* f. D% W5 `5 a' P9 l. L, D/ k1 nvoid MX_GPIO_Init(void)
1 W! ]- D" C: H5 J7 Q. c{

  GPIO_InitTypeDef GPIO_InitStruct;

  /* GPIO Ports Clock Enable */
. p2 k) g' n! `( a, p  __GPIOA_CLK_ENABLE();

  /*Configure GPIO pin : PA5 */
  GPIO_InitStruct.Pin = GPIO_PIN_5;
0 S( p6 N. ?$ m, a- n  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
' l& I& d5 x( C  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
1 j* ]; W) N% X) ~; e, n
7 u. i& A  k" F}
9 z1 D: ?2 e( I: v, S$ ^( f
/* USER CODE BEGIN 4 */

, m1 `0 f; J7 _$ n/* USER CODE END 4 */

#ifdef USE_FULL_ASSERT
9 O" Y0 v2 p; {0 h
7 _6 w3 W  C7 v, R% y& V2 {/**
/ q8 G" n6 d7 E+ V4 F1 `   * @brief Reports the name of the source file and the source line number
   * where the assert_param error has occurred.
+ Z: k$ l! H( v  i: @   * @param file: pointer to the source file name
   * @param line: assert_param error line source number
   * @retval None
, L* k  t9 w1 a0 |   */
1 J) A7 u3 ]$ @void assert_failed(uint8_t* file, uint32_t line)
7 S. j% p: S  j{
+ Z- K6 d% l) w  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
    ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
# G! ^; V. O2 P  ?  /* USER CODE END 6 */

* Q+ r8 n$ S) \0 v5 E4 p}
; m" d2 S2 v1 J( n
# {6 g# @$ m+ D4 D# T' T#endif
! j/ I* S; l! G9 ?* v9 z
/**
' o: c  V8 ?' i$ ?: G  * @}
7 }9 M( _* I5 I/ z1 B  */
) M* T0 h( J9 R$ w3 l- m" M# M
0 @9 j9 k3 @; ?. ^# q/**
  * @}
/ `/ q/ g$ J5 Y$ X& Q7 A) p*/
% q2 \* H( R. l0 e+ o
1 \+ ]2 ^0 A8 _2 R/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
$ \2 q( I9 b8 {) u& _

+ H3 s2 a5 l& F( g6 x3 m# y- `5 i
. O) E2 x0 Y2 d0 k1 R' E

谢谢~通常来说，下一步就是按键了

是啊 按套路来