/**
  ******************************************************************************
3 F% O, U5 l. v+ Z/ @8 U  * File Name          : main.c
: H" K3 j7 Y6 M" |6 o, Y  * Date               : 30/12/2014 14:33:58
9 w7 b, j" @- H) l' H. v, S) X  * Description        : Main program body
' b/ b4 Y7 Q9 J5 _2 R  ******************************************************************************
% O$ i. B, h1 ~  ~% @1 d3 `, t( R  *
4 ^& \0 Y% S- e; p" X) q  * COPYRIGHT(c) 2014 STMicroelectronics
; ^6 a7 ]: B' f' w7 `: L4 x  *
2 r. F. p+ P1 h. r- W! i  * Redistribution and use in source and binary forms, with or without modification,
* j5 T+ o' ~$ \- W, n4 g  * are permitted provided that the following conditions are met:
% @6 Y( N4 v/ C6 e4 p; K7 S  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
5 k/ W6 ]" M2 J$ H1 L. |4 h$ h  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
! L/ d* V, @5 @. `* F  *   3. Neither the name of STMicroelectronics nor the names of its contributors
8 M8 ]. ^3 ]; N( O; g' W  *      may be used to endorse or promote products derived from this software
& d: `; K& [' a/ ^1 X  *      without specific prior written permission.
5 T- U+ h$ C6 P3 W  *
# ]3 @2 C: `) D  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
: w6 Q4 c% a+ s1 k+ p  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0 n) M, }1 h( w* h  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
8 u5 ?* G1 N0 p1 v9 R  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
7 m6 D* p! z6 S2 G: N0 ]+ N5 X  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
3 B: r6 t4 S$ r; n  U  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
% r. f+ U- V% G4 W; y  * 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.
: i, j( X4 V0 D# o1 e  *
, c5 \+ Z* T& {  ******************************************************************************
  */

3 S: Z( k* H% q1 @4 y/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx_hal.h"

/* USER CODE BEGIN Includes */

/* USER CODE END Includes */
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/* Private variables ---------------------------------------------------------*/
0 E, w  @$ L& S% O
" I! F: D- q2 y/* USER CODE BEGIN PV */
1 L- j, a; I; l/ O& g! n% i  ^1 R3 X
/* USER CODE END PV */

5 s6 |% o  X6 T  @1 l# t  l/* Private function prototypes -----------------------------------------------*/
% n$ j2 K- A7 N% hvoid SystemClock_Config(void);
static void MX_GPIO_Init(void);
) H$ Z$ H! G$ B4 F/ ?4 U% \# Buint16_t nDelay = 500;
- {' y# v9 R& g! Z' P/* USER CODE BEGIN PFP */

2 q* G1 u6 I4 \. B4 n. z' @! }/* USER CODE END PFP */
( c# L( k8 Y1 D2 J' l( @; a
/* USER CODE BEGIN 0 */
6 o6 P; |* x: J$ Z: C+ N
/* USER CODE END 0 */
( ~9 F# C0 J! a
int main(void)
{
% z5 }3 j* \3 @) Y- J6 v
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */
' a  [& E4 H; f/ k
% j- I- s" S4 M+ @6 p1 o  /* MCU Configuration----------------------------------------------------------*/
) m4 K9 v4 n9 c: x1 b* H. |7 m
! s# |2 Z8 E: w$ A3 v  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
& |6 a8 v9 m+ t0 {  HAL_Init();
: Q$ V$ a0 |) A; K
7 v, Y/ W$ K" i% c9 P6 u8 i  H; Q  /* Configure the system clock */
- x+ m) I5 g, Z8 j7 U- ?% W5 i  SystemClock_Config();

5 N) |3 g$ ]2 e  F4 J# R  /* Initialize all configured peripherals */
  MX_GPIO_Init();
' V$ b/ k' t- F8 }' N0 ]; c
6 u( K! C- N" l5 k& h  k/ ]  /* USER CODE BEGIN 2 */
! B+ o( d) P) ?+ E7 G1 p( i
0 R, m- c7 r: N1 E  /* USER CODE END 2 */
; W3 ?' Z1 W9 B5 n6 ?7 `
  /* USER CODE BEGIN 3 */
6 ?# t  ^1 O/ w  /* Infinite loop */
  while (1)
  {
7 I- z! B8 D- t) E% k& |   HAL_GPIO_WritePin(GPIOA,GPIO_PIN_5,GPIO_PIN_SET);
     HAL_Delay(nDelay );
     HAL_GPIO_WritePin(GPIOA,GPIO_PIN_5,GPIO_PIN_RESET);
     HAL_Delay(nDelay );
  }
  /* USER CODE END 3 */
% A: Z* [' X+ `: m
2 `1 s. L4 |; _* v/ ]7 z& P}
- C7 U9 H9 ~* U- s& z
) h* s+ h4 U; I  u; S) k  h/** System Clock Configuration
*/
4 {$ W' H0 b$ ?% T+ I( w8 X# Avoid SystemClock_Config(void)
4 w2 ?; I9 w; t{

  RCC_OscInitTypeDef RCC_OscInitStruct;
4 C) J# s5 p. i2 N  RCC_ClkInitTypeDef RCC_ClkInitStruct;
4 G, D3 M9 k' T% t6 q; y
4 E3 L" {  `+ r4 [  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
1 Q4 X9 P* D, W% u( D! `  RCC_OscInitStruct.HSICalibrationValue = 16;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
0 f) S8 i) C, g  ~  HAL_RCC_OscConfig(&RCC_OscInitStruct);
- s) A5 [2 C' h: @- f# x
7 d# {' \9 \" l) `( Q& J6 d9 E. A1 r  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
, Y- [# `3 U2 R0 u2 w' y5 {  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
* H! l  \& z( X0 o0 V* I$ i# D  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0);

, p" `( E7 @  \# N. o' D( d  __SYSCFG_CLK_ENABLE();

; m( X5 B/ i! P}

0 R/ b" }5 G; K5 ^9 J, W/ ?2 R/** Configure pins as
' n+ E, ~1 A3 E        * Analog
        * Input
5 h7 J; l# `, }* D* H        * Output
        * EVENT_OUT
% `5 f) o: j3 ?7 `        * EXTI
*/
void MX_GPIO_Init(void)
{
6 O4 j8 t* {, _1 \5 J
  GPIO_InitTypeDef GPIO_InitStruct;

$ Z0 [3 ~1 W4 j8 h& J: u" L  /* GPIO Ports Clock Enable */
  __GPIOC_CLK_ENABLE();
  __GPIOA_CLK_ENABLE();

  /*Configure GPIO pin : PC13 */
  GPIO_InitStruct.Pin = GPIO_PIN_13;
8 u) U& V' }0 ~/ |8 N) ]  GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
5 \0 L7 Z/ @% }  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

  /*Configure GPIO pin : PA5 */
& f: Q! s2 Z) q1 ?5 ?/ `  GPIO_InitStruct.Pin = GPIO_PIN_5;
& N+ b0 n( S+ y# b: J  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
' \; M: r3 t$ ?4 c5 I% S  GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
' I. k9 d2 ~2 b  x  d
* T# m; a; H! C9 @  /* EXTI interrupt init*/
  HAL_NVIC_SetPriority(EXTI4_15_IRQn, 0, 0);
5 b. z! |9 ^. G2 P  HAL_NVIC_EnableIRQ(EXTI4_15_IRQn);
4 U% Z3 }( o" J+ l, C3 B, P
}

" h( [* H4 O" T5 T7 B: b/* USER CODE BEGIN 4 */
7 j/ d* H- L0 j. R2 r( k3 u7 Wvoid EXTI4_15_IRQHandler(void)
4 b# e0 \* f. w2 p" h, g" ?{
  /* USER CODE BEGIN EXTI4_15_IRQn 0 */
  
  V: t5 j* k3 f5 U& i7 V- f3 N     switch(nDelay)
     {
. }, U0 `! v3 D         case 500:nDelay = 400;break;
         case 400:nDelay = 300;break;
2 g6 h( p: @% E; e         case 300:nDelay = 200;break;
         case 200:nDelay = 100;break;
! e+ j( x# z; |, r         case 100:nDelay = 80;break;
         case 80:nDelay = 50;break;
3 S) f- M( P9 ^6 y, U$ {         case 50:nDelay = 40;break;
7 v& Q- V+ C6 d+ X         case 40:nDelay = 30;break;
         case 30:nDelay = 20;break;
         case 20:nDelay = 10;break;
         case 10:nDelay = 9;break;
         case 9:nDelay = 8;break;
         case 8:nDelay = 7;break;
& P, H- J$ v+ \5 Y8 v         case 7:nDelay = 6;break;
0 b' k- q  ~  b         case 6:nDelay = 5;break;
         case 5:nDelay = 4;break;
         case 4:nDelay = 3;break;
2 P. g) b7 Z- n/ O! v         case 3:nDelay = 2;break;
8 |9 l: W! q7 t" m5 c6 W. `! g) w2 I. d         case 2:nDelay = 1;break;
         default:nDelay = 500;break;
. I+ E& C; w1 j2 r3 b, `6 f/ |     }
  /* USER CODE END EXTI4_15_IRQn 0 */
  HAL_GPIO_EXTI_IRQHandler(GPIO_PIN_13);
  /* USER CODE BEGIN EXTI4_15_IRQn 1 */

; h8 ?9 \& O# @4 A8 z' n, ?  /* USER CODE END EXTI4_15_IRQn 1 */
}

- I% R  d  {* r7 ^) V/* USER CODE END 4 */

#ifdef USE_FULL_ASSERT
: W/ ]- x3 R% f" d9 w/ S+ Q
+ N6 f6 J) [- @7 Z$ ?; h! l/**
+ b5 E( S. R- X" o. z   * @brief Reports the name of the source file and the source line number
& k9 b6 O3 m. \$ C4 l   * where the assert_param error has occurred.
8 J& l& ^  Y& T' [   * @param file: pointer to the source file name
   * @param line: assert_param error line source number
   * @retval None
   */
void assert_failed(uint8_t* file, uint32_t line)
7 U9 G" n2 O! n8 r6 G& n- v{
: t" T) x9 H1 B& F) @) Z  J  /* 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) */
  /* USER CODE END 6 */
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' N! X# M  h* I}

#endif

- m' M7 `, ]5 g; c& m* [8 t/**
4 \4 u+ t5 Y: {$ @; s, ?  * @}
6 r+ R! X+ u- c9 Q6 U0 g  */
+ t2 d% q# ~) H% C
) \6 h8 w9 F; C0 t/**
3 K) ~( p: y! ^- t  * @}
*/
( P9 _/ O6 c1 n0 M
' O" g5 z* [# F. C& O0 I$ p" q/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
% \& W2 w. b; m/ o% ~