/_01_STM32F4/_05_FSK通信/_05_Drive/Drive_Exti.c

https://github.com/WittXie/STM32 · C · 320 lines · 182 code · 78 blank · 60 comment · 39 complexity · d1c4e386376e62487c42fd556e61434d MD5 · raw file 

    

  1. /*******************************(C) COPYRIGHT 2016 Wind£¨Ð»ÓñÉ죩*********************************/
    2. 

  2. /**============================================================================
    3. 

  3. * @FileName    : Drive_Exti.c
    4. 

  4. * @Description : None
    5. 

  5. * @Date        : 2016/7/10
    6. 

  6. * @By          : Wind£¨Ð»ÓñÉ죩
    7. 

  7. * @Email       : 1659567673@ qq.com
    8. 

  8. * @Platform    : Keil uVision5 v5.15 (STM32F407ZG)
    9. 

  9. * @Explain     : None
    10. 

  10. *=============================================================================*/
    11. 

  11. 

  12. /* Í·Îļþ°üº¬ ----------------------------------------------------------------*/
    13. 

  13. #include "Drive_Exti.h"
    14. 

  14. 

  15. /* ˽Óк궨Òå ----------------------------------------------------------------*/
    16. 

  16. 

  17. /* ˽ÓУ¨¾²Ì¬£©º¯ÊýÉùÃ÷ ------------------------------------------------------*/
    18. 

  18. 

  19. /* È«¾Ö±äÁ¿¶¨Òå --------------------------------------------------------------*/
    20. 

  20.  
    21. 

  21. /* È«¾Öº¯Êý±àд --------------------------------------------------------------*/
    22. 

  22. /**----------------------------------------------------------------------------
    23. 

  23. * @FunctionName  : Exti0_Init()     
    24. 

  24. * @Description   : None 
    25. 

  25. * @Data          : 2016/7/11
    26. 

  26. * @Explain       : None
    27. 

  27. ------------------------------------------------------------------------------*/ 
    28. 

  28. void Exti0_Init(void)
    29. 

  29. {
    30. 

  30. 	NVIC_InitTypeDef   NVIC_InitStructure;
    31. 

  31. 	EXTI_InitTypeDef   EXTI_InitStructure;
    32. 

  32. 	
    33. 

  33. 	GPIO_InitTypeDef  GPIO_InitStructure;
    34. 

  34. 

  35. 	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);//ʹÄÜGPIOA,GPIOEʱÖÓ
    36. 

  36.  
    37. 

  37. 	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; 
    38. 

  38. 	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;//ÆÕͨÊäÈëģʽ
    39. 

  39. 	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100M
    40. 

  40. 	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//ÉÏÀ­
    41. 

  41. 	GPIO_Init(GPIOA, &GPIO_InitStructure);//³õʼ»¯GPIOE0,2
    42. 

  42. 	 
    43. 

  43. 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);//ʹÄÜSYSCFGʱÖÓ
    44. 

  44. 	
    45. 

  45. 	SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource0);//PE0 Á¬½Óµ½ÖжÏÏß0  
    46. 

  46.   
    47. 

  47. 	/* ÅäÖÃEXTI_Line0 */
    48. 

  48. 	EXTI_InitStructure.EXTI_Line = EXTI_Line0;
    49. 

  49. 	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//ÖжÏʼþ
    50. 

  50. 	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; //ϽµÑØ´¥·¢
    51. 

  51. 	EXTI_InitStructure.EXTI_LineCmd = ENABLE;//ÖжÏÏßʹÄÜ
    52. 

  52. 	EXTI_Init(&EXTI_InitStructure);//ÅäÖÃ
    53. 

  53. 	
    54. 

  54. 	NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;//ÍⲿÖжÏ0
    55. 

  55. 	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x03;//ÇÀÕ¼ÓÅÏȼ¶0
    56. 

  56. 	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;//×ÓÓÅÏȼ¶2
    57. 

  57. 	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;//ʹÄÜÍⲿÖжÏͨµÀ 
    58. 

  58. 	 
    59. 

  59. 	NVIC_Init(&NVIC_InitStructure);//ÅäÖÃ
    60. 

  60. 	EXTI_ClearITPendingBit(EXTI_Line0); //Çå³ýLINE0ÉϵÄÖжϱê־λ    
    61. 

  61. 	
    62. 

  62. }
    63. 

  63. 

  64. /**----------------------------------------------------------------------------
    65. 

  65. * @FunctionName  : Exti1_Init()     
    66. 

  66. * @Description   : None 
    67. 

  67. * @Data          : 2016/7/11
    68. 

  68. * @Explain       : None
    69. 

  69. ------------------------------------------------------------------------------*/ 
    70. 

  70. void Exti1_Init(void)
    71. 

  71. {
    72. 

  72. 	NVIC_InitTypeDef   NVIC_InitStructure;
    73. 

  73. 	EXTI_InitTypeDef   EXTI_InitStructure;
    74. 

  74. 	
    75. 

  75. 	GPIO_InitTypeDef  GPIO_InitStructure;
    76. 

  76. 

  77. 	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);//ʹÄÜGPIOA,GPIOEʱÖÓ
    78. 

  78.  
    79. 

  79. 	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1; 
    80. 

  80. 	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;//ÆÕͨÊäÈëģʽ
    81. 

  81. 	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100M
    82. 

  82. 	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//ÉÏÀ­
    83. 

  83. 	GPIO_Init(GPIOC, &GPIO_InitStructure);//³õʼ»¯GPIOE0,2
    84. 

  84. 	 
    85. 

  85. 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);//ʹÄÜSYSCFGʱÖÓ
    86. 

  86. 	
    87. 

  87. 	SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource1);//PE0 Á¬½Óµ½ÖжÏÏß0  
    88. 

  88.   
    89. 

  89. 	/* ÅäÖÃEXTI_Line0 */
    90. 

  90. 	EXTI_InitStructure.EXTI_Line = EXTI_Line1;
    91. 

  91. 	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//ÖжÏʼþ
    92. 

  92. 	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; //ϽµÑØ´¥·¢
    93. 

  93. 	EXTI_InitStructure.EXTI_LineCmd = ENABLE;//ÖжÏÏßʹÄÜ
    94. 

  94. 	EXTI_Init(&EXTI_InitStructure);//ÅäÖÃ
    95. 

  95. 	
    96. 

  96. 	NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQn;//ÍⲿÖжÏ0
    97. 

  97. 	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x03;//ÇÀÕ¼ÓÅÏȼ¶0
    98. 

  98. 	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;//×ÓÓÅÏȼ¶2
    99. 

  99. 	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;//ʹÄÜÍⲿÖжÏͨµÀ 
    100. 

  100. 	 
    101. 

  101. 	NVIC_Init(&NVIC_InitStructure);//ÅäÖÃ
    102. 

  102. 	EXTI_ClearITPendingBit(EXTI_Line1); //Çå³ýLINE0ÉϵÄÖжϱê־λ    
    103. 

  103. 	
    104. 

  104. }
    105. 

  105. 

  106. /**----------------------------------------------------------------------------
    107. 

  107. * @FunctionName  : Exti2_Init()     
    108. 

  108. * @Description   : None 
    109. 

  109. * @Data          : 2016/7/11
    110. 

  110. * @Explain       : None
    111. 

  111. ------------------------------------------------------------------------------*/ 
    112. 

  112. void Exti2_Init(void)
    113. 

  113. {
    114. 

  114. 	NVIC_InitTypeDef   NVIC_InitStructure;
    115. 

  115. 	EXTI_InitTypeDef   EXTI_InitStructure;
    116. 

  116. 	
    117. 

  117. 	GPIO_InitTypeDef  GPIO_InitStructure;
    118. 

  118. 

  119. 	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);//ʹÄÜGPIOA,GPIOEʱÖÓ
    120. 

  120.  
    121. 

  121. 	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; 
    122. 

  122. 	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;//ÆÕͨÊäÈëģʽ
    123. 

  123. 	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100M
    124. 

  124. 	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//ÉÏÀ­
    125. 

  125. 	GPIO_Init(GPIOC, &GPIO_InitStructure);//³õʼ»¯GPIOE0,2
    126. 

  126. 	 
    127. 

  127. 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);//ʹÄÜSYSCFGʱÖÓ
    128. 

  128. 	
    129. 

  129. 	SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource2);//PE0 Á¬½Óµ½ÖжÏÏß0  
    130. 

  130.   
    131. 

  131. 	/* ÅäÖÃEXTI_Line0 */
    132. 

  132. 	EXTI_InitStructure.EXTI_Line = EXTI_Line2;
    133. 

  133. 	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//ÖжÏʼþ
    134. 

  134. 	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; //ϽµÑØ´¥·¢
    135. 

  135. 	EXTI_InitStructure.EXTI_LineCmd = ENABLE;//ÖжÏÏßʹÄÜ
    136. 

  136. 	EXTI_Init(&EXTI_InitStructure);//ÅäÖÃ
    137. 

  137. 	
    138. 

  138. 	NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn;//ÍⲿÖжÏ0
    139. 

  139. 	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x03;//ÇÀÕ¼ÓÅÏȼ¶0
    140. 

  140. 	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;//×ÓÓÅÏȼ¶2
    141. 

  141. 	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;//ʹÄÜÍⲿÖжÏͨµÀ 
    142. 

  142. 	 
    143. 

  143. 	NVIC_Init(&NVIC_InitStructure);//ÅäÖÃ
    144. 

  144. 	EXTI_ClearITPendingBit(EXTI_Line2); //Çå³ýLINE0ÉϵÄÖжϱê־λ    
    145. 

  145. 	
    146. 

  146. }
    147. 

  147. 

  148. /**----------------------------------------------------------------------------
    149. 

  149. * @FunctionName  : Exti3_Init()     
    150. 

  150. * @Description   : None 
    151. 

  151. * @Data          : 2016/7/11
    152. 

  152. * @Explain       : None
    153. 

  153. ------------------------------------------------------------------------------*/ 
    154. 

  154. void Exti3_Init(void)
    155. 

  155. {
    156. 

  156. 	NVIC_InitTypeDef   NVIC_InitStructure;
    157. 

  157. 	EXTI_InitTypeDef   EXTI_InitStructure;
    158. 

  158. 	
    159. 

  159. 	GPIO_InitTypeDef  GPIO_InitStructure;
    160. 

  160. 

  161. 	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);//ʹÄÜGPIOA,GPIOEʱÖÓ
    162. 

  162.  
    163. 

  163. 	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; 
    164. 

  164. 	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;//ÆÕͨÊäÈëģʽ
    165. 

  165. 	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100M
    166. 

  166. 	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//ÉÏÀ­
    167. 

  167. 	GPIO_Init(GPIOC, &GPIO_InitStructure);//³õʼ»¯GPIOE0,2
    168. 

  168. 	 
    169. 

  169. 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);//ʹÄÜSYSCFGʱÖÓ
    170. 

  170. 	
    171. 

  171. 	SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource3);//PE0 Á¬½Óµ½ÖжÏÏß0  
    172. 

  172.   
    173. 

  173. 	/* ÅäÖÃEXTI_Line0 */
    174. 

  174. 	EXTI_InitStructure.EXTI_Line = EXTI_Line3;
    175. 

  175. 	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//ÖжÏʼþ
    176. 

  176. 	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; //ϽµÑØ´¥·¢
    177. 

  177. 	EXTI_InitStructure.EXTI_LineCmd = ENABLE;//ÖжÏÏßʹÄÜ
    178. 

  178. 	EXTI_Init(&EXTI_InitStructure);//ÅäÖÃ
    179. 

  179. 	
    180. 

  180. 	NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;//ÍⲿÖжÏ0
    181. 

  181. 	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x03;//ÇÀÕ¼ÓÅÏȼ¶0
    182. 

  182. 	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;//×ÓÓÅÏȼ¶2
    183. 

  183. 	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;//ʹÄÜÍⲿÖжÏͨµÀ 
    184. 

  184. 	 
    185. 

  185. 	NVIC_Init(&NVIC_InitStructure);//ÅäÖÃ
    186. 

  186. 	EXTI_ClearITPendingBit(EXTI_Line3); //Çå³ýLINE0ÉϵÄÖжϱê־λ    
    187. 

  187. 	
    188. 

  188. }
    189. 

  189. 

  190. /**----------------------------------------------------------------------------
    191. 

  191. * @FunctionName  : Exti4_Init()     
    192. 

  192. * @Description   : ²âƵ 
    193. 

  193. * @Data          : 2016/7/11
    194. 

  194. * @Explain       : None
    195. 

  195. ------------------------------------------------------------------------------*/ 
    196. 

  196. void Exti4_Init(void)
    197. 

  197. {
    198. 

  198. 	NVIC_InitTypeDef   NVIC_InitStructure;
    199. 

  199. 	EXTI_InitTypeDef   EXTI_InitStructure;
    200. 

  200. 	
    201. 

  201. 	GPIO_InitTypeDef  GPIO_InitStructure;
    202. 

  202. 

  203. 	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);//ʹÄÜGPIOʱÖÓ
    204. 

  204.  
    205. 

  205. 	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; 
    206. 

  206. 	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;//ÆÕͨÊäÈëģʽ
    207. 

  207. 	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100M
    208. 

  208. 	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//ÉÏÀ­
    209. 

  209. 	GPIO_Init(GPIOE, &GPIO_InitStructure);//³õʼ»¯GPIO
    210. 

  210. 	 
    211. 

  211. 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);//ʹÄÜSYSCFGʱÖÓ
    212. 

  212. 	
    213. 

  213. 	SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource4);// Á¬½Óµ½ÖжÏÏß 
    214. 

  214.   
    215. 

  215. 	/* ÅäÖÃEXTI_Line */
    216. 

  216. 	EXTI_InitStructure.EXTI_Line = EXTI_Line4;
    217. 

  217. 	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//ÖжÏʼþ
    218. 

  218. 	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; //ϽµÑØ´¥·¢
    219. 

  219. 	EXTI_InitStructure.EXTI_LineCmd = ENABLE;//ÖжÏÏßʹÄÜ
    220. 

  220. 	EXTI_Init(&EXTI_InitStructure);//ÅäÖÃ
    221. 

  221. 	
    222. 

  222. 	NVIC_InitStructure.NVIC_IRQChannel = EXTI4_IRQn;//ÍⲿÖжÏ0
    223. 

  223. 	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02;//ÇÀÕ¼ÓÅÏȼ¶
    224. 

  224. 	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;//×ÓÓÅÏȼ¶
    225. 

  225. 	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;//ʹÄÜÍⲿÖжÏͨµÀ 
    226. 

  226. 	 
    227. 

  227. 	NVIC_Init(&NVIC_InitStructure);//ÅäÖÃ
    228. 

  228. 	EXTI_ClearITPendingBit(EXTI_Line4); //Çå³ýLINEÉϵÄÖжϱê־λ    
    229. 

  229. 	
    230. 

  230. }
    231. 

  231. 

  232. void Exti_Enable(u8 Exti_Num)
    233. 

  233. {
    234. 

  234. 	EXTI_InitTypeDef   EXTI_InitStructure; 
    235. 

  235. 	/* ÅäÖÃEXTI_Line */  
    236. 

  236. 	if(Exti_Num == 0) 			EXTI_InitStructure.EXTI_Line = EXTI_Line0; 
    237. 

  237. 	else if(Exti_Num == 1) 		EXTI_InitStructure.EXTI_Line = EXTI_Line1; 
    238. 

  238. 	else if(Exti_Num == 2) 		EXTI_InitStructure.EXTI_Line = EXTI_Line2; 
    239. 

  239. 	else if(Exti_Num == 3) 		EXTI_InitStructure.EXTI_Line = EXTI_Line3; 
    240. 

  240. 	else if(Exti_Num == 4) 		EXTI_InitStructure.EXTI_Line = EXTI_Line4; 
    241. 

  241. 	else if(Exti_Num == 5)  	EXTI_InitStructure.EXTI_Line = EXTI_Line5; 
    242. 

  242. 	else if(Exti_Num == 10)  	EXTI_InitStructure.EXTI_Line = EXTI_Line10; 
    243. 

  243. 	else return; 
    244. 

  244. 	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//ÖжÏʼþ
    245. 

  245. 	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //ÉÏÉýÑØ´¥·¢
    246. 

  246. 	
    247. 

  247. 	EXTI_InitStructure.EXTI_LineCmd = ENABLE;//ÖжÏÏßʹÄÜ 
    248. 

  248. 	EXTI_Init(&EXTI_InitStructure);//ÅäÖÃ
    249. 

  249. 		
    250. 

  250. }
    251. 

  251. 

  252. 

  253. void Exti_Disable(u8 Exti_Num)
    254. 

  254. { 
    255. 

  255. 	EXTI_InitTypeDef   EXTI_InitStructure; 
    256. 

  256. 	/* ÅäÖÃEXTI_Line */
    257. 

  257. 	if(Exti_Num == 0) 			EXTI_InitStructure.EXTI_Line = EXTI_Line0;
    258. 

  258. 	else if(Exti_Num == 1)		EXTI_InitStructure.EXTI_Line = EXTI_Line1;
    259. 

  259. 	else if(Exti_Num == 2) 		EXTI_InitStructure.EXTI_Line = EXTI_Line2;	
    260. 

  260. 	else if(Exti_Num == 3) 		EXTI_InitStructure.EXTI_Line = EXTI_Line3;	
    261. 

  261. 	else if(Exti_Num == 4) 		EXTI_InitStructure.EXTI_Line = EXTI_Line4;
    262. 

  262. 	else if(Exti_Num == 10) 	EXTI_InitStructure.EXTI_Line = EXTI_Line10;
    263. 

  263. 	else return; 
    264. 

  264. 	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//ÖжÏʼþ
    265. 

  265. 	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //ÉÏÉýÑØ´¥·¢
    266. 

  266. 	
    267. 

  267. 	EXTI_InitStructure.EXTI_LineCmd = DISABLE;//ÖжÏÏßʹÄÜ 
    268. 

  268. 	EXTI_Init(&EXTI_InitStructure);//ÅäÖÃ
    269. 

  269. }
    270. 

  270. 

  271. 

  272. 

  273. /**----------------------------------------------------------------------------
    274. 

  274. * @FunctionName  : Exti10_Init()     
    275. 

  275. * @Description   : ÍⲿÖжÏ10 
    276. 

  276. * @Data          : 2016/7/23
    277. 

  277. * @Explain       : ÓÃÓÚ¶ÌÐŽÓÊÕPF10
    278. 

  278. ------------------------------------------------------------------------------*/ 
    279. 

  279. void Exti10_Init(void)
    280. 

  280. {
    281. 

  281. 	NVIC_InitTypeDef   NVIC_InitStructure;
    282. 

  282. 	EXTI_InitTypeDef   EXTI_InitStructure;
    283. 

  283. 	
    284. 

  284. 	GPIO_InitTypeDef  GPIO_InitStructure;
    285. 

  285. 

  286. 	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOF, ENABLE);//ʹÄÜGPIOA,GPIOEʱÖÓ
    287. 

  287.  
    288. 

  288. 	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; 
    289. 

  289. 	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;//ÆÕͨÊäÈëģʽ
    290. 

  290. 	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100M
    291. 

  291. 	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//ÉÏÀ­
    292. 

  292. 	GPIO_Init(GPIOF, &GPIO_InitStructure);//³õʼ»¯GPIOE0,2
    293. 

  293. 	 
    294. 

  294. 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);//ʹÄÜSYSCFGʱÖÓ
    295. 

  295. 	
    296. 

  296. 	SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOF, EXTI_PinSource10);//PE0 Á¬½Óµ½ÖжÏÏß0  
    297. 

  297.   
    298. 

  298. 	/* ÅäÖÃEXTI_Line0 */
    299. 

  299. 	EXTI_InitStructure.EXTI_Line = EXTI_Line10;
    300. 

  300. 	EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//ÖжÏʼþ 
    301. 

  301. 	EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;//ÉÏÉýÑØ´¥·¢
    302. 

  302. 	EXTI_InitStructure.EXTI_LineCmd = ENABLE;//ÖжÏÏßʹÄÜ
    303. 

  303. 	EXTI_Init(&EXTI_InitStructure);//ÅäÖÃ
    304. 

  304. 	
    305. 

  305. 	NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;//ÍⲿÖжÏ0
    306. 

  306. 	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x03;//ÇÀÕ¼ÓÅÏȼ¶
    307. 

  307. 	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x00;//×ÓÓÅÏȼ¶
    308. 

  308. 	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;//ʹÄÜÍⲿÖжÏͨµÀ 
    309. 

  309. 	 
    310. 

  310. 	NVIC_Init(&NVIC_InitStructure);//ÅäÖÃ
    311. 

  311. 	EXTI_ClearITPendingBit(EXTI_Line10); //Çå³ýLINE0ÉϵÄÖжϱê־λ    
    312. 

  312. 	
    313. 

  313. }
    314. 

  314. 

  315. /*******************************(C) COPYRIGHT 2016 Wind£¨Ð»ÓñÉ죩*********************************/
    316.