main.c

ARM_CORTEX-M3应用实例开发详解光盘

/* Includes ------------------------------------------------------------------*/
#include <stdio.h>                          /* standard I/O .h-file           */
#include "stm32f10x.h"
#include "stm32_eval.h"
#include "led.h" 

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
//#define TEST_LED			LED_ALL

/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/

/* Private function prototypes -----------------------------------------------*/
void RCC_Configuration(void);
void GPIO_Configuration(void);
void USART_Configuration(void);
void LEDInit(void);
void Delay(unsigned int ticks);

/* Private functions ---------------------------------------------------------*/

/**
  * @brief   Main program
  * @param  None
  * @retval None
  */
int main(void)
{
  int i;
  /* System Clocks Configuration */
  RCC_Configuration();

  /* Configure the GPIO ports */
  GPIO_Configuration();
  
  /* Configure USART #2 */	
  USART_Configuration();

  printf("\n\r-- Basic 4LED Project V1.0 --\n\r");
  printf("\n\r-- EM-STM3210C --\n\r");
  printf("\n\r-- 7 sections of numerical code tubes test --\n\r"); 

#ifdef  TEST_LED

  /* Test the 7 sections of numerical code tubes. */ 
  LED_CHIP_SEL(TEST_LED);

  while (1)
  {
  	SEVEN_LED_DISPLAY(ZERO); 
	Delay(800);
  	SEVEN_LED_DISPLAY(ONE);
	Delay(800);
  	SEVEN_LED_DISPLAY(TWO);
	Delay(800);
  	SEVEN_LED_DISPLAY(THREE);
	Delay(800);
  	SEVEN_LED_DISPLAY(FOUR);
	Delay(800);
  	SEVEN_LED_DISPLAY(FIVE);
	Delay(800);
  	SEVEN_LED_DISPLAY(SIX);
	Delay(800);
  	SEVEN_LED_DISPLAY(SEVEN);
	Delay(800);
  	SEVEN_LED_DISPLAY(EIGHT);
	Delay(800);
  	SEVEN_LED_DISPLAY(NINE); 
	Delay(800);	 
  }
   
#else

  while (1)
  {
    for (i = 200; i > 0; i--)
    {
      LED_CHIP_SEL(LED_ONE);
	  SEVEN_LED_DISPLAY(ONE);
	  Delay(1);
      LED_CHIP_SEL(LED_TWO);
	  SEVEN_LED_DISPLAY(TWO);
	  Delay(1);
      LED_CHIP_SEL(LED_THREE);
	  SEVEN_LED_DISPLAY(THREE); 
	  Delay(1);
      LED_CHIP_SEL(LED_FOUR);
	  SEVEN_LED_DISPLAY(FOUR);
	  Delay(1);
    }

    for (i = 200; i > 0; i--)
    {
      LED_CHIP_SEL(LED_ONE);
	  SEVEN_LED_DISPLAY(FIVE);
	  Delay(1);
      LED_CHIP_SEL(LED_TWO);
	  SEVEN_LED_DISPLAY(SIX);
	  Delay(1);
      LED_CHIP_SEL(LED_THREE);
	  SEVEN_LED_DISPLAY(SEVEN);
	  Delay(1);
      LED_CHIP_SEL(LED_FOUR);
	  SEVEN_LED_DISPLAY(EIGHT);
	  Delay(1);
    }
  }

#endif 	

}

/**
  * @brief  Configures the different system clocks.
  * @param  None
  * @retval None
  */
void RCC_Configuration(void)
{
  /* Setup the microcontroller system. Initialize the Embedded Flash Interface,  
     initialize the PLL and update the SystemFrequency variable. */
  SystemInit();

  /* Enable GPIOC and GPIOE clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOE, ENABLE);

}

/**
  * @brief  Configures the different GPIO ports.
  * @param  None
  * @retval None
  */
void GPIO_Configuration(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  /* Configure PC.02 PC.03 PC.05 PC.07 as Push-pull output ---------------------*/
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_5 | GPIO_Pin_7;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GPIOC, &GPIO_InitStructure);

  /* Configure PE.08...15 as Push-pull output ----------------------------------*/
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 	 \
  								| GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13  \
								| GPIO_Pin_14 | GPIO_Pin_15;			   \
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GPIOE, &GPIO_InitStructure); 

  /* LED is off by default */
  SEVEN_LED_Off();
}

/**
  * @brief  Configures the USART.
  * @param  None
  * @retval None
  */
void USART_Configuration(void)
{
  USART_InitTypeDef USART_InitStructure;
  /* USARTx configuration ------------------------------------------------------*/
  /* USARTx configured as follow:
        - BaudRate = 115200 baud  
        - Word Length = 8 Bits
        - 1 Stop Bit
        - No parity
        - Hardware flow control disabled (RTS and CTS signals)
        - Receive and transmit enabled
  */
  USART_InitStructure.USART_BaudRate = 115200;
  USART_InitStructure.USART_WordLength = USART_WordLength_8b;
  USART_InitStructure.USART_StopBits = USART_StopBits_1;
  USART_InitStructure.USART_Parity = USART_Parity_No;
  USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
  USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;

  STM_EVAL_COMInit(COM1, &USART_InitStructure);	 
}

/**
  * @brief  Delay about ticks ms.
  * @param  ticks
  * @retval None
  */
void Delay(unsigned int ticks)
{
  int i, j;
  for (i = ticks; i > 0; i--)
  	for (j = 10000; j > 0; j--);
}
/**
  * @brief  Redefine fputc function.
  * @param  ...
  * @retval ...
  */
int fputc(int ch, FILE *f)
{
  /* Place your implementation of fputc here */
  /* e.g. write a character to the USART */
  USART_SendData(EVAL_COM1, (u8) ch);

  /* Loop until the end of transmission */
  while(USART_GetFlagStatus(EVAL_COM1, USART_FLAG_TXE) == 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 2009 Wuhan R&D Center, Embest *****END OF FILE****/