论坛» 高校专区» 漓东e学堂

moxy
菜鸟
2014-12-23 21:48 23楼 
#include "stm32f10x.h" #include "stm32_eval.h" #include #define VREF 3.3 unsigned char i=0; EXTI_InitTypeDef EXTI_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; USART_ClockInitTypeDef USART_ClockInitStructure; void delay_us(u32 n) { u8 j; while(n--) for(j=0;j<10;j++); } void delay_ms(u32 n) { while(n--) delay_us(1000); } void RCC_Configuration(void) { RCC_DeInit(); RCC_HSICmd(ENABLE); while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI); RCC_HSEConfig(RCC_HSE_OFF); RCC_LSEConfig(RCC_LSE_OFF); RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); // 72HMz RCC_PLLCmd(ENABLE); while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); RCC_ADCCLKConfig(RCC_PCLK2_Div4); RCC_PCLK2Config(RCC_HCLK_Div1); RCC_PCLK1Config(RCC_HCLK_Div2); RCC_HCLKConfig(RCC_SYSCLK_Div1); RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); while(RCC_GetSYSCLKSource() != 0x08); //SystemInit(); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOD, &GPIO_InitStructure); GPIO_ResetBits(GPIOD,GPIO_Pin_2); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); } void USART_int(long BaudRate) { RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(GPIOA, &GPIO_InitStructure); /* PA10 USART1_Rx */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_Init(GPIOA, &GPIO_InitStructure); /* USARTx configured as follow: - BaudRate = 115200 baud - Word Length = 8 Bits - One Stop Bit - No parity - Hardware flow control disabled (RTS and CTS signals) - Receive and transmit enabled */ USART_InitStructure.USART_BaudRate = BaudRate;//?????? USART_InitStructure.USART_WordLength = USART_WordLength_8b;//???????8bit USART_InitStructure.USART_StopBits = USART_StopBits_1;//????1 USART_InitStructure.USART_Parity = USART_Parity_No;//???? USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//??????none USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//?????????? USART_ClockInitStructure.USART_Clock = USART_Clock_Disable; USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low; USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge; USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable; USART_ClockInit(USART1, &USART_ClockInitStructure); USART_Init(USART1, &USART_InitStructure); USART_Cmd(USART1, ENABLE); USART_ITConfig(USART1, USART_IT_RXNE, ENABLE); USART_Cmd(USART1, ENABLE); } void GPIO_INIT() { RCC_Configuration(); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_Init(GPIOC, &GPIO_InitStructure); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOB, &GPIO_InitStructure); } void Iic1_Init(void) { GPIO_InitTypeDef GPIO_InitStructure; I2C_InitTypeDef I2C_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2, ENABLE); //PB6-I2C2_SCL PB7-I2C2_SDA PB10-I2C2_SCL PB11-I2C2_SDA /* Configure IO connected to IIC*********************/ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_11; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD; GPIO_Init(GPIOB, &GPIO_InitStructure); I2C_InitStructure.I2C_Mode = I2C_Mode_I2C; I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2; I2C_InitStructure.I2C_OwnAddress1 = 0xA0; I2C_InitStructure.I2C_Ack = I2C_Ack_Enable; I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit; I2C_InitStructure.I2C_ClockSpeed = 400000; I2C_Cmd(I2C2, ENABLE); I2C_Init(I2C2, &I2C_InitStructure); I2C_AcknowledgeConfig(I2C2, ENABLE); } /**********************************************************************/ /*IIC????? */ /* */ /**********************************************************************/ void I2C2_WriteByte(unsigned char id,unsigned char write_address,unsigned char byte) { while(I2C_GetFlagStatus(I2C2, I2C_FLAG_BUSY));//?????????-?????? I2C_GenerateSTART(I2C2,ENABLE);//??i2c2?????? while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_MODE_SELECT));//??????i2c??????? I2C_Send7bitAddress(I2C2,id,I2C_Direction_Transmitter);//?????i2c??????? while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED)); I2C_SendData(I2C2, write_address);//??i2c?????? while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED)); I2C_SendData(I2C2, byte); while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED)); I2C_GenerateSTOP(I2C2, ENABLE);//??i2c2?????? do { /* Send START condition */ I2C_GenerateSTART(I2C2, ENABLE); /* Read I2C2 SR1 register */ /* Send EEPROM address for write */ I2C_Send7bitAddress(I2C2, 0xA0, I2C_Direction_Transmitter); }while(!(I2C_ReadRegister(I2C2, I2C_Register_SR1) & 0x0002));//?????i2c???????? /* Clear AF flag */ I2C_ClearFlag(I2C2, I2C_FLAG_AF); /* STOP condition */ I2C_GenerateSTOP(I2C2, ENABLE); } unsigned char I2C2_ReadByte(unsigned char id, unsigned char read_address) { unsigned char temp; while(I2C_GetFlagStatus(I2C2, I2C_FLAG_BUSY)){} I2C_GenerateSTART(I2C2, ENABLE); while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_MODE_SELECT)); I2C_Send7bitAddress(I2C2, id, I2C_Direction_Transmitter); while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED)); I2C_Cmd(I2C2, ENABLE); I2C_SendData(I2C2, read_address); while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_BYTE_TRANSMITTED)); I2C_GenerateSTART(I2C2, ENABLE); while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_MODE_SELECT)); I2C_Send7bitAddress(I2C2, id, I2C_Direction_Receiver); while(!I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED)); I2C_AcknowledgeConfig(I2C2, DISABLE); I2C_GenerateSTOP(I2C2, ENABLE); while(!(I2C_CheckEvent(I2C2, I2C_EVENT_MASTER_BYTE_RECEIVED))); temp = I2C_ReceiveData(I2C2); I2C_AcknowledgeConfig(I2C2, ENABLE); return temp; } void anjian3_Config(void) { /* Enable GPIOA clock */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); /* Configure PA.00 pin as input floating */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_Init(GPIOA, &GPIO_InitStructure); /* Enable AFIO clock */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); /* Connect EXTI0 Line to PA.00 pin */ GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource10); /* Configure EXTI0 line */ EXTI_InitStructure.EXTI_Line = EXTI_Line10; EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; EXTI_InitStructure.EXTI_LineCmd = ENABLE; EXTI_Init(&EXTI_InitStructure); /* Enable and set EXTI0 Interrupt to the lowest priority */ NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); } void IIC_TEST() { printf(" config done...\r\n"); i = I2C2_ReadByte(0xA0,0); i++; printf("向地址第%d次写入数据 \n",i); I2C2_WriteByte(0xA0,0,i); printf("向地址第%d次读出数据 \n",i); printf("第%d次上电....\r\n",i); } int main(void) { RCC_Configuration(); anjian3_Config(); GPIO_INIT(); USART_int(115200); Iic1_Init(); IIC_TEST(); } void EXTI15_10_IRQHandler(void) { if(EXTI_GetITStatus(EXTI_Line10) != RESET) { i=0; I2C2_WriteByte(0xA0,0,0); delay_ms(200); printf("上电立即清0\r\n",i); /* Clear the EXTI line 8 pending bit */ EXTI_ClearITPendingBit(EXTI_Line10); } } #ifdef USE_FULL_ASSERT void assert_failed(uint8_t* file, uint32_t line) { while (1) { } } #endif #ifdef __GNUC__ #define PUTCHAR_PROTOTYPE int __io_putchar(int ch) #else #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f) #endif /* __GNUC__ */ PUTCHAR_PROTOTYPE { USART_SendData(EVAL_COM1, (uint8_t) ch); while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET) {} return ch; }

评论
moxy
菜鸟
2014-12-23 21:52 24楼 
/** ****************************************************************************** * @file EXTI/EXTI_Config/main.c * @author MCD Application Team * @version V3.5.0 * @date 08-April-2011 * @brief Main program body ****************************************************************************** * @attention * * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. * * ? COPYRIGHT 2011 STMicroelectronics ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "stm32f10x.h" #include "stm32_eval.h" #include /** @addtogroup STM32F10x_StdPeriph_Examples * @{ */ /** @addtogroup EXTI_Config * @{ */ /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ EXTI_InitTypeDef EXTI_InitStructure; GPIO_InitTypeDef GPIO_InitStructure; NVIC_InitTypeDef NVIC_InitStructure; USART_InitTypeDef USART_InitStructure; USART_ClockInitTypeDef USART_ClockInitStructure; TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; long flag,temp,num; void RCC_Configuration(void) {/* RCC_DeInit(); RCC_HSICmd(ENABLE); while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); RCC_SYSCLKConfig(RCC_SYSCLKSource_HSI); RCC_HSEConfig(RCC_HSE_OFF); RCC_LSEConfig(RCC_LSE_OFF); RCC_PLLConfig(RCC_PLLSource_HSI_Div2,RCC_PLLMul_9); // 72HMz RCC_PLLCmd(ENABLE); while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET); RCC_ADCCLKConfig(RCC_PCLK2_Div4); RCC_PCLK2Config(RCC_HCLK_Div1); RCC_PCLK1Config(RCC_HCLK_Div2); RCC_HCLKConfig(RCC_SYSCLK_Div1); RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); while(RCC_GetSYSCLKSource() != 0x08); */ SystemInit(); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOD, &GPIO_InitStructure); GPIO_ResetBits(GPIOD,GPIO_Pin_2); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_AFIO, ENABLE); GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);//disable JTAG GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM7, ENABLE); } void USART_int(long BaudRate) { RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(GPIOA, &GPIO_InitStructure); /* PA10 USART1_Rx */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_Init(GPIOA, &GPIO_InitStructure); /* USARTx configured as follow: - BaudRate = 115200 baud - Word Length = 8 Bits - One Stop Bit - No parity - Hardware flow control disabled (RTS and CTS signals) - Receive and transmit enabled */ USART_InitStructure.USART_BaudRate = BaudRate;//?????? USART_InitStructure.USART_WordLength = USART_WordLength_8b;//???????8bit USART_InitStructure.USART_StopBits = USART_StopBits_1;//????1 USART_InitStructure.USART_Parity = USART_Parity_No;//???? USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//??????none USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;//?????????? USART_ClockInitStructure.USART_Clock = USART_Clock_Disable; USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low; USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge; USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable; USART_ClockInit(USART1, &USART_ClockInitStructure); USART_Init(USART1, &USART_InitStructure); USART_Cmd(USART1, ENABLE); USART_ITConfig(USART1, USART_IT_RXNE, ENABLE); USART_Cmd(USART1, ENABLE); } void NVIC_Configuration(void) { NVIC_InitTypeDef NVIC_InitStructure; /* Enable the TIM2 global Interrupt */ NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); NVIC_InitStructure.NVIC_IRQChannel = TIM7_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure); /* Time base configuration */ TIM_TimeBaseStructure.TIM_Period = 24000; TIM_TimeBaseStructure.TIM_Prescaler = 0; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; /*NVIC_InitStructure.NVIC_IRQChannel =TIM8_CC_IRQn; NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_Init(&NVIC_InitStructure);*/ } /* Private functions ---------------------------------------------------------*/ /** * @brief Main program. * @param None * @retval None */ void delay_us(u32 n) { u8 j; while(n--) for(j=0;j<10;j++); } void delay_ms(u32 n) { while(n--) delay_us(1000); } int main(void) { /*!< At this stage the microcontroller clock setting is already configured, this is done through SystemInit() function which is called from startup file (startup_stm32f10x_xx.s) before to branch to application main. To reconfigure the default setting of SystemInit() function, refer to system_stm32f10x.c file */ /* System Clocks Configuration */ RCC_Configuration(); NVIC_Configuration(); USART_int(115200); printf(" config done...\r\n"); TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure); TIM_ITConfig(TIM2,TIM_IT_Update,ENABLE ); TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE ); TIM_TimeBaseInit(TIM7, &TIM_TimeBaseStructure); TIM_ITConfig(TIM7,TIM_IT_Update,ENABLE ); /* TIM2 enable counter */ TIM_Cmd(TIM2, ENABLE); TIM_Cmd(TIM3, ENABLE); TIM_Cmd(TIM7, ENABLE); while (1){ if(flag == 2000) {printf("TIM2 interrupt......\r\n"); flag = 0; GPIO_ResetBits(GPIOC,GPIO_Pin_1|GPIO_Pin_0|GPIO_Pin_2|GPIO_Pin_3); //delay_ms(80) } if(temp == 3000) {printf("TIM3 interrupt......\r\n"); temp = 0; GPIO_SetBits(GPIOC,GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3); } if(num == 1000) {printf("TIM7 interrupt......\r\n"); num = 0; /*GPIO_ResetBits(GPIOC,GPIO_Pin_1|GPIO_Pin_0|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); delay_ms(150);*/ GPIO_ResetBits(GPIOC,GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7); } } } void TIM2_IRQHandler(void) //TIM3 ?? { if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET) //?? TIM3 ???????? { TIM_ClearITPendingBit(TIM2, TIM_IT_Update ); //?? TIM3 ?????? flag++; } } void TIM3_IRQHandler(void) //TIM3 ?? { if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET) //?? TIM3 ???????? { TIM_ClearITPendingBit(TIM3, TIM_IT_Update ); //?? TIM3 ?????? temp++; } } void TIM7_IRQHandler(void) //TIM3 ?? { if (TIM_GetITStatus(TIM7, TIM_IT_Update) != RESET) //?? TIM3 ???????? { TIM_ClearITPendingBit(TIM7, TIM_IT_Update ); //?? TIM3 ?????? num++; } } #ifdef USE_FULL_ASSERT /** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @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) { /* 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) */ /* Infinite loop */ while (1) { } } #endif /** * @} */ /** * @} */ #ifdef __GNUC__ /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf set to 'Yes') calls __io_putchar() */ #define PUTCHAR_PROTOTYPE int __io_putchar(int ch) #else #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f) #endif /* __GNUC__ */ /** * @brief Retargets the C library printf function to the USART. * @param None * @retval None */ PUTCHAR_PROTOTYPE { /* Place your implementation of fputc here */ /* e.g. write a character to the USART */ USART_SendData(EVAL_COM1, (uint8_t) ch); /* Loop until the end of transmission */ while (USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TC) == RESET) {} return ch; } #ifdef USE_FULL_ASSERT /** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @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) { /* 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) */ /* Infinite loop */ while (1) { } } #endif 
 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

评论
共34条 3/4 ‹ 1 2 3 4 › 跳转至 页

回复

匿名不能发帖！请先 [ 登陆 注册]