main.lst

ek-stm32f开发板测试程序,LCD+LED+按键

    190          
    191            /* TIM2 clocks enable */
    192            RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
    193          
    194            /* CAN Periph clock enable */
    195            RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN, ENABLE);
    196          }
    197          
    198          /*******************************************************************************
    199          * Function Name  : GPIO_Configuration
    200          * Description    : Configures the different GPIO ports.
    201          * Input          : None
    202          * Output         : None
    203          * Return         : None
    204          *******************************************************************************/
    205          void GPIO_Configuration(void)
    206          {
    207            GPIO_InitTypeDef GPIO_InitStructure;
    208          
    209            /* Configure PC.04 -- PC.11 as Output push-pull */
    210            GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5 |GPIO_Pin_6 | GPIO_Pin_7
    211                  | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11;
    212            GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    213            GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    214            GPIO_Init(GPIOC, &GPIO_InitStructure);
    215          
    216            /* Configure PD.03, PC.04, PC.11 -- PC.15 as input floating */
    217            GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_11 | GPIO_Pin_12 |
    218                GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
    219            GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    220            GPIO_Init(GPIOD, &GPIO_InitStructure);
    221          
    222            /* Configure CAN pin: RX */
    223            GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
    224            GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
    225            GPIO_Init(GPIOD, &GPIO_InitStructure);
    226          
    227            /* Configure CAN pin: TX */
    228            GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
    229            GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    230            GPIO_Init(GPIOD, &GPIO_InitStructure);
    231          
    232            /* CAN pin remap to PD0/PD1 */
    233            GPIO_PinRemapConfig(GPIO_Remap2_CAN,ENABLE);
    234          
    235            /* Configure PE.00 -- PE.15 as Output push-pull */
    236            GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
    237            GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    238            GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    239            GPIO_Init(GPIOE, &GPIO_InitStructure);
    240          }
    241          
    242          /*******************************************************************************
    243          * Function Name  : NVIC_Configuration
    244          * Description    : Configures the NVIC and Vector Table base address.
    245          * Input          : None
    246          * Output         : None
    247          * Return         : None
    248          *******************************************************************************/
    249          void NVIC_Configuration(void)
    250          {
    251            NVIC_InitTypeDef NVIC_InitStructure;
    252          
    253          #ifdef  VECT_TAB_RAM
    254            /* Set the Vector Table base location at 0x20000000 */
    255            NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0);
    256          #else  /* VECT_TAB_FLASH  */
    257            /* Set the Vector Table base location at 0x08000000 */
    258            NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
    259          #endif
    260          
    261            /* Configure the Priority Group to 2 bits */
    262            NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
    263          
    264            /* enabling interrupt */
    265            NVIC_InitStructure.NVIC_IRQChannel=TIM2_IRQChannel;
    266            NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
    267            NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    268            NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    269            NVIC_Init(&NVIC_InitStructure);
    270          
    271          
    272              /* Enable the EXTI3 Interrupt on PD.3 */
    273            NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQChannel;
    274            NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
    275            NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    276            NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    277            NVIC_Init(&NVIC_InitStructure);
    278          
    279              /* Enable the EXTI4 Interrupt on PD.4 */
    280            NVIC_InitStructure.NVIC_IRQChannel = EXTI4_IRQChannel;
    281            NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
    282            NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
    283            NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    284            NVIC_Init(&NVIC_InitStructure);
    285          
    286            /* Configure the SysTick handler priority */
    287            NVIC_SystemHandlerPriorityConfig(SystemHandler_SysTick, 2, 0);
    288          }
    289          
    290          /*******************************************************************************
    291          * Function Name  : LcdShow_Init
    292          * Description    : Configure the lcd dispaly: TIM2 initialize in Output Compare
    293          *                  Timing Mode
    294          * Input          : None
    295          * Return         : None
    296          * Comment        : TIM2 Configuration: Output Compare Timing Mode:
    297                             TIM2CLK = 36 *2 =72MHz, Prescaler = 17, TIM2 counter clock = 4 MHz
    298                             TIM2 update Period = ARR / TIM2 counter Period = 2 ms
    299                             CC1 OC period = 1ms
    300          *******************************************************************************/
    301          void LcdShow_Init(void)
    302          {
    303            TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
    304            TIM_OCInitTypeDef  TIM_OCInitStructure;
    305          
    306            /* Time base configuration */
    307            TIM_TimeBaseStructure.TIM_Period = 8000;
    308            TIM_TimeBaseStructure.TIM_Prescaler = 17;
    309            TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
    310            TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
    311            TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
    312          
    313            TIM_ARRPreloadConfig(TIM2,DISABLE);
    314            /* only counter overflow/underflow generate U interrupt */
    315            TIM_UpdateRequestConfig(TIM2,TIM_UpdateSource_Regular);
    316          
    317            /* Output Compare Timing Mode configuration: Channel1 */
    318            TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Timing;
    319            TIM_OCInitStructure.TIM_Channel = TIM_Channel_1;
    320            TIM_OCInitStructure.TIM_Pulse = 4000;
    321            TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
    322            TIM_OCInit(TIM2, &TIM_OCInitStructure);
    323          
    324            TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Disable);
    325          
    326            /* TIM IT enable */
    327            TIM_ITConfig(TIM2, TIM_IT_CC1 | TIM_IT_Update, ENABLE);
    328          
    329            /* TIM2 enable counter */
    330            TIM_Cmd(TIM2, ENABLE);
    331          }
    332          
    333          /*******************************************************************************
    334          * Function Name  : SysTick_Config
    335          * Description    : Configure a SysTick Base time to 10 ms.
    336          * Input          : None
    337          * Output         : None
    338          * Return         : None
    339          *******************************************************************************/
    340          void SysTick_Config(void)
    341          {
    342            /* Configure HCLK clock as SysTick clock source */
    343            SysTick_CLKSourceConfig(SysTick_CLKSource_HCLK);
    344          
    345            /* SysTick interrupt each 100 Hz with HCLK equal to 72MHz */
    346            SysTick_SetReload(720000);
    347          
    348            /* Enable the SysTick Interrupt */
    349            SysTick_ITConfig(ENABLE);
    350          
    351            /* Enable the SysTick Counter */
    352            SysTick_CounterCmd(SysTick_Counter_Enable);
    353          }
    354          
    355          void Button_Config(void)
    356          {
    357            GPIO_InitTypeDef GPIO_InitStructure;
    358          
    359            /* Enable GPIOD clock */
    360            RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD, ENABLE);
    361          
    362            /* Configure PD.03, PD.04 as output push-pull */
    363            GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_3 | GPIO_Pin_4 ;
    364            GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    365            GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    366            GPIO_Init(GPIOD, &GPIO_InitStructure);
    367          }
    368          
    369          void Led_Config(void)
    370          {
    371            GPIO_InitTypeDef GPIO_InitStructure;
    372          
    373            /* Enable GPIOC clock */
    374            RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
    375          
    376            /* Configure PC.06, PC.07, PC.08 and PC.09 as output push-pull */
    377            GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_4 | GPIO_Pin_5;
    378            GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    379            GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    380            GPIO_Init(GPIOC, &GPIO_InitStructure);
    381          }
    382          
    383          void Led_RW_ON(void)
    384          {
    385            GPIO_SetBits(GPIOC, GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_4 | GPIO_Pin_5);
    386          }
    387          
    388          void Led_RW_OFF(void)
    389          {
    390            GPIO_ResetBits(GPIOC, GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_4 | GPIO_Pin_5);
    391          }
    392          
    393          #ifdef  DEBUG
    394          /*******************************************************************************
    395          * Function Name  : assert_failed
    396          * Description    : Reports the name of the source file and the source line number
    397          *                  where the assert error has occurred.
    398          * Input          : - file: pointer to the source file name
    399          *                  - line: assert error line source number
    400          * Output         : None
    401          * Return         : None
    402          *******************************************************************************/
    403          void assert_failed(u8* file, u32 line)
    404          {
    405            /* User can add his own implementation to report the file name and line number,
    406               ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
    407          
    408            /* Infinite loop */
    409            while (1)
    410            {
    411          
    412            }
    413          }
    414          #endif
    415          /******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/

Errors: 1
Warnings: 1