API tools faq
paste
Advertisement
Guest User

pastebinpastebinisdhf

a guest
Jan 23rd, 2018
164
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 7.25 KB | None | 0 0
raw download clone embed print report
  1. /**
  2. ******************************************************************************
  3. * @file GPIO/GPIO_Toggle/main.c
  4. * @author P. Szulim
  5. * @version V1.0.0
  6. * @date 10-Listopad-2015
  7. * @brief Program changes periodicaly brightnes of LED lighting
  8. ******************************************************************************
  9. *
  10. ******************************************************************************
  11. */
  12.  
  13.  
  14. /* Header files -------------------------------------------------------------------*/
  15. #include "stm32f30x.h"
  16. #include "stm32f30x_gpio.h"
  17. #include "stm32f30x_rcc.h"
  18.  
  19. /* Private typedef -----------------------------------------------------------*/
  20. /* Private define ------------------------------------------------------------*/
  21. /* Private macro -------------------------------------------------------------*/
  22. /* Private variables ---------------------------------------------------------*/
  23. /* Private function prototypes -----------------------------------------------*/
  24. void Delay(void);
  25. /* Private functions ---------------------------------------------------------*/
  26.  
  27. /**
  28. * @brief Main program.
  29. * @param None
  30. * @retval None
  31. */
  32. int main(void)
  33. {
  34. /* Configuration structure definition */
  35. GPIO_InitTypeDef GPIO_InitStructure;
  36. TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
  37. TIM_OCInitTypeDef TIM_OCInitStructure;
  38.  
  39. /* GPIOE Periph clock enable */
  40. RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOE, ENABLE);
  41.  
  42. /* Alternative configuration for pin PE9 */
  43. GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9|GPIO_Pin_11|GPIO_Pin_13|GPIO_Pin_14;
  44. /* alternative mode for pin */
  45. GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  46. GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  47. GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  48. GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
  49. GPIO_Init(GPIOE, &GPIO_InitStructure);
  50.  
  51. /* Alternative function for pin - TIM1 take control of this pin */
  52. /* For more information go to the DS */
  53. GPIO_PinAFConfig(GPIOE, GPIO_PinSource9, GPIO_AF_2);
  54. GPIO_PinAFConfig(GPIOE, GPIO_PinSource11, GPIO_AF_2);
  55. GPIO_PinAFConfig(GPIOE, GPIO_PinSource13, GPIO_AF_2);
  56. GPIO_PinAFConfig(GPIOE, GPIO_PinSource14, GPIO_AF_2);
  57. /************* Timer configuration ******************/
  58.  
  59. /* TIM1 clock activation */
  60. RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1 , ENABLE);
  61.  
  62. /* Main counter activation */
  63. TIM_TimeBaseStructure.TIM_Prescaler = 720; //720 means, that clock signal will be divided 720 times.
  64. TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //counter count up
  65. TIM_TimeBaseStructure.TIM_Period = 1000; //counter count from 0 to 1000
  66. TIM_TimeBaseStructure.TIM_ClockDivision = 0; //additional clock divider disabled
  67. TIM_TimeBaseStructure.TIM_RepetitionCounter = 0; //additional mode disabled
  68. /* Initialisation of timer */
  69. TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);
  70.  
  71. /* Timer channel struct initiation */
  72. TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //PWM mode for this channel
  73. TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //channel act on external pin
  74. TIM_OCInitStructure.TIM_Pulse = 0; //PWM duty equal 0%.
  75. TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //additional function
  76. TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Reset;//additional function
  77. /* Configure channel 1 */
  78. TIM_OC1Init(TIM1, &TIM_OCInitStructure);
  79. TIM_OC2Init(TIM1, &TIM_OCInitStructure);
  80. TIM_OC3Init(TIM1, &TIM_OCInitStructure);
  81. TIM_OC4Init(TIM1, &TIM_OCInitStructure);
  82. /* Run timer*/
  83. TIM_Cmd(TIM1, ENABLE);
  84. /* activate channel output */
  85. TIM_CtrlPWMOutputs(TIM1, ENABLE);
  86.  
  87. /* program changes led brightnes */
  88. while (1){
  89. /* set PWM on 10% (100/1000)*/
  90. TIM_SetCompare1(TIM1,100);
  91. Delay();
  92. /* set PWM duty on 20% */
  93. TIM_SetCompare1(TIM1,200);
  94. Delay();
  95. /* set PWM duty on 30% */
  96. TIM_SetCompare1(TIM1,300);
  97. Delay();
  98. /* set PWM duty on 40% */
  99. TIM_SetCompare1(TIM1,400);
  100. Delay();
  101. /* set PWM duty on 50% */
  102. TIM_SetCompare1(TIM1,500);
  103. Delay();
  104. /* set PWM duty on 60% */
  105. TIM_SetCompare1(TIM1,600);
  106. Delay();
  107. /* set PWM duty on 70% */
  108. TIM_SetCompare1(TIM1,700);
  109. Delay();
  110. /* set PWM duty on 80% */
  111. TIM_SetCompare1(TIM1,800);
  112. Delay();
  113. /* set PWM duty on 90% */
  114. TIM_SetCompare1(TIM1,900);
  115. Delay();
  116. /* set PWM duty on 100% - direct acces to CCR register */
  117. TIM1->CCR1=1000;
  118. Delay();
  119. /* set PWM on 10% (100/1000)*/
  120. TIM_SetCompare2(TIM1,100);
  121. Delay();
  122. /* set PWM duty on 20% */
  123. TIM_SetCompare2(TIM1,200);
  124. Delay();
  125. /* set PWM duty on 30% */
  126. TIM_SetCompare2(TIM1,300);
  127. Delay();
  128. /* set PWM duty on 40% */
  129. TIM_SetCompare2(TIM1,400);
  130. Delay();
  131. /* set PWM duty on 50% */
  132. TIM_SetCompare2(TIM1,500);
  133. Delay();
  134. /* set PWM duty on 60% */
  135. TIM_SetCompare2(TIM1,600);
  136. Delay();
  137. /* set PWM duty on 70% */
  138. TIM_SetCompare2(TIM1,700);
  139. Delay();
  140. /* set PWM duty on 80% */
  141. TIM_SetCompare2(TIM1,800);
  142. Delay();
  143. /* set PWM duty on 90% */
  144. TIM_SetCompare2(TIM1,900);
  145. Delay();
  146. /* set PWM duty on 100% - direct acces to CCR register */
  147. TIM1->CCR1=1000;
  148. Delay();
  149. /* set PWM on 10% (100/1000)*/
  150. TIM_SetCompare3(TIM1,100);
  151. Delay();
  152. /* set PWM duty on 20% */
  153. TIM_SetCompare3(TIM1,200);
  154. Delay();
  155. /* set PWM duty on 30% */
  156. TIM_SetCompare3(TIM1,300);
  157. Delay();
  158. /* set PWM duty on 40% */
  159. TIM_SetCompare3(TIM1,400);
  160. Delay();
  161. /* set PWM duty on 50% */
  162. TIM_SetCompare3(TIM1,500);
  163. Delay();
  164. /* set PWM duty on 60% */
  165. TIM_SetCompare3(TIM1,600);
  166. Delay();
  167. /* set PWM duty on 70% */
  168. TIM_SetCompare3(TIM1,700);
  169. Delay();
  170. /* set PWM duty on 80% */
  171. TIM_SetCompare3(TIM1,800);
  172. Delay();
  173. /* set PWM duty on 90% */
  174. TIM_SetCompare3(TIM1,900);
  175. Delay();
  176. /* set PWM duty on 100% - direct acces to CCR register */
  177. TIM1->CCR1=1000;
  178. Delay();
  179. /* set PWM on 10% (100/1000)*/
  180. TIM_SetCompare4(TIM1,100);
  181. Delay();
  182. /* set PWM duty on 20% */
  183. TIM_SetCompare4(TIM1,200);
  184. Delay();
  185. /* set PWM duty on 30% */
  186. TIM_SetCompare4(TIM1,300);
  187. Delay();
  188. /* set PWM duty on 40% */
  189. TIM_SetCompare4(TIM1,400);
  190. Delay();
  191. /* set PWM duty on 50% */
  192. TIM_SetCompare4(TIM1,500);
  193. Delay();
  194. /* set PWM duty on 60% */
  195. TIM_SetCompare4(TIM1,600);
  196. Delay();
  197. /* set PWM duty on 70% */
  198. TIM_SetCompare4(TIM1,700);
  199. Delay();
  200. /* set PWM duty on 80% */
  201. TIM_SetCompare4(TIM1,800);
  202. Delay();
  203. /* set PWM duty on 90% */
  204. TIM_SetCompare4(TIM1,900);
  205. Delay();
  206. /* set PWM duty on 100% - direct acces to CCR register */
  207. TIM1->CCR1=1000;
  208. Delay();
  209. }
  210. }
  211.  
  212.  
  213.  
  214. /**
  215. * @brief Delay function.
  216. * @param None
  217. * @retval None
  218. */
  219. void Delay(void){
  220. int i;
  221. for(i=0;i<0x7FFFF;i++);
  222. }
  223.  
  224.  
  225.  
  226. #ifdef USE_FULL_ASSERT
  227.  
  228. /**
  229. * @brief Reports the name of the source file and the source line number
  230. * where the assert_param error has occurred.
  231. * @param file: pointer to the source file name
  232. * @param line: assert_param error line source number
  233. * @retval None
  234. */
  235. void assert_failed(uint8_t* file, uint32_t line)
  236. {
  237. /* User can add his own implementation to report the file name and line number,
  238. ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  239.  
  240. /* Infinite loop */
  241. while (1)
  242. {
  243. }
  244. }
  245. #endif
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!