/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name : main.c
* Author : MCD Application Team
* Version : V2.0.3
* Date : 09/22/2008
* Description : Main program body.
********************************************************************************
* 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.
*******************************************************************************/
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_lib.h"
//#include "platform_config.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
GPIO_InitTypeDef GPIO_InitStructure;
ErrorStatus HSEStartUpStatus;
/* Private function prototypes -----------------------------------------------*/
void RCC_Configuration(void);
void NVIC_Configuration(void);
void Delay(vu32 nCount);
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : main
* Description : Main program.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
/*#define Coil_A1 {A1=1;B1=0;C1=0;D1=0;}//A相通电，其他相断电
#define Coil_B1 {A1=0;B1=1;C1=0;D1=0;}//B相通电，其他相断电
#define Coil_C1 {A1=0;B1=0;C1=1;D1=0;}//C相通电，其他相断电
#define Coil_D1 {A1=0;B1=0;C1=0;D1=1;}//D相通电，其他相断电
#define Coil_AB1 {A1=1;B1=1;C1=0;D1=0;}//AB相通电，其他相断电
#define Coil_BC1 {A1=0;B1=1;C1=1;D1=0;}//BC相通电，其他相断电
#define Coil_CD1 {A1=0;B1=0;C1=1;D1=1;}//CD相通电，其他相断电
#define Coil_DA1 {A1=1;B1=0;C1=0;D1=1;}//D相通电，其他相断电
#define Coil_OFF {A1=0;B1=0;C1=0;D1=0;}//全部断电*/
unsigned char Speed;
void delay(void)
{
unsigned long ik ;
for(ik=0;ik<0x0baf8;ik++) ;
}
void delay1(void)
{
unsigned long ik ;
for(ik=0;ik<0x00af8;ik++) ;
}
int main(void)
{
#ifdef DEBUG
debug();
#endif
/* System Clocks Configuration **********************************************/
RCC_Configuration();
/* NVIC Con
figuration *******************************************************/
NVIC_Configuration();
#ifdef USE_STM3210E_EVAL
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF | RCC_APB2Periph_GPIOG, ENABLE);
GPIO_Init(GPIOF, &GPIO_InitStructure);
GPIO_Init(GPIOG, &GPIO_InitStructure);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF | RCC_APB2Periph_GPIOG, DISABLE);
#endif /* USE_STM3210E_EVAL */
/* Configure IO connected to LD1, LD2, LD3 and LD4 leds *********************/
/* Enable GPIO_LED clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOF, ENABLE);//打开外设A,F的时钟
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_Mode = GPIO_Mode_Out_PP;//IO口的方向
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);//初始化外设0,1,2,3,6的端口
GPIO_Init(GPIOF, &GPIO_InitStructure);//初始化外设0,1,2,3,6的端口
while (1)
{
unsigned int i=512;//旋转一周时间
Speed=8;
while(i--) //正向
{
GPIO_Write(GPIOA,0x11);
delay();//改变相应的时间，可以改变速度
GPIO_Write(GPIOA,0x22);
delay();
GPIO_Write(GPIOA,0x44);
stm32怎么使用printfdelay();
GPIO_Write(GPIOA,0x88);
delay();
}
delay1();
i=512;
while(i--)//反向
{
GPIO_Write(GPIOA,0x88);
delay();
GPIO_Write(GPIOA,0x44);
delay();
GPIO_Write(GPIOA,0x22);
delay();
GPIO_Write(GPIOA,0x11);
delay();
}
delay1();
i=512;
while(i--)//左转
{
/* GPIO_SetBits(GPIOF,GPIO_Pin_6);
delay();
GPIO_ResetBits(GPIOF,GPIO_Pin_6);*/
GPIO_Write(GPIOA,0x11);
delay();
GPIO_Write(GPIOA,0x32);
delay();
GPIO_Write(GPIOA,0x24);
delay();
GPIO_Write(GPIOA,0x68);
delay();
GPIO_Write(GPIOA,0x41);
delay();
GPIO_Write(GPIOA,0xc2);
delay();
GPIO_Write(GPIOA,0x84);
delay();
GPIO_Write(GPIOA,0x98);
delay();
}
delay1();
i=512;
while(i--)//右转
{
/* GPIO_SetBits(GPIOF,GPIO_Pin_6);
delay();
GPIO_ResetBits(GPIOF,GPIO_Pin_6);*/
GPIO_Write(GPIOA,0x11);
delay();
GPIO_Write(GPIOA,0x23);
delay();
GPIO_Write(GPIOA,0x42);
delay();
GPIO_Write(GPIOA,0x86);
delay();
GPIO_Write(GPIOA,0x14);
delay();
GPIO_Write(GPIOA,0x2c);
delay();
GPIO_Write(GPIOA,0x48);
delay();
GPIO_Write(GPIOA,0x89);
delay();
}
}
}
/*******************************************************************************
* Function Name : RCC_Configuration
* Description : Configures the different system clocks.
* Input
: None
* Output : None
* Return : None
*******************************************************************************/
void RCC_Configuration(void)
{
/* RCC system reset(for debug purpose) */
RCC_DeInit();
/* Enable HSE */
RCC_HSEConfig(RCC_HSE_ON);
/* Wait till HSE is ready */
HSEStartUpStatus = RCC_WaitForHSEStartUp();
if(HSEStartUpStatus == SUCCESS)
{
/* Enable Prefetch Buffer */
FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
/* Flash 2 wait state */
FLASH_SetLatency(FLASH_Latency_2);
/* HCLK = SYSCLK */
RCC_HCLKConfig(RCC_SYSCLK_Div1);
/* PCLK2 = HCLK */
RCC_PCLK2Config(RCC_HCLK_Div1);
/* PCLK1 = HCLK/2 */
RCC_PCLK1Config(RCC_HCLK_Div2);
/
* PLLCLK = 8MHz * 9 = 72 MHz */
RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
/* Enable PLL */
RCC_PLLCmd(ENABLE);
/* Wait till PLL is ready */
while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
{
}
/* Select PLL as system clock source */
RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
/* Wait till PLL is used as system clock source */
while(RCC_GetSYSCLKSource() != 0x08)
{
}
}
}
/*******************************************************************************
* Function Name : NVIC_Configuration
* Description : Configures Vector Table base location.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void NVIC_Configuration(void)
{
#ifdef VECT_TAB_RAM
/* Set the Vector Table base location at 0x20000000 */
NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0);
#else /* VECT_TAB_FLASH */
/* Set the Vector Table base location at 0x08000000 */
NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
#endif
}
/
*******************************************************************************
* Function Name : Delay
* Description : Inserts a delay time.
* Input : nCount: specifies the delay time length.
* Output : None
* Return : None
*******************************************************************************/
void Delay(vu32 nCount)
{
for(; nCount != 0; nCount--);
}
#ifdef DEBUG
/*******************************************************************************
* Function Name : assert_failed
* Description : Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* Input : - file: pointer to the source file name
* - line: assert_param error line source number
* Output : None
* Return : None
*******************************************************************************/
void assert_failed(u8* file, u32 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 2008 STMicroelectronics *****END OF FILE****/
发表评论