main.c

VS1003_MP3_SPI_SDHC_FAT32

/**
  ******************************************************************************
  * @file    GPIO/IOToggle/main.c 
  * @author  MCD Application Team
  * @version V1.1.0
  * @date    24-January-2012
  * @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.
  *
  * FOR MORE INFORMATION PLEASE READ CAREFULLY THE LICENSE AGREEMENT FILE
  * LOCATED IN THE ROOT DIRECTORY OF THIS FIRMWARE PACKAGE.
  *
  * <h2><center>&copy; COPYRIGHT 2012 STMicroelectronics</center></h2>
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32l1xx.h"
#include "stm32l1xx_conf.h"
#include "mp3.h"
//#include "VS1003.h"
//#include "sd.h"
//#include "ff.h"
//#include "diskio.h"


uint8_t music[512];

DWORD get_fattime (void)
{
	DWORD tmr = 0;
	return tmr;
}

/** @addtogroup STM32L1xx_StdPeriph_Examples
  * @{
  */

/** @addtogroup IOToggle
  * @{
  */ 

/* Private typedef -----------------------------------------------------------*/
GPIO_InitTypeDef        GPIO_InitStructure;
SPI_InitTypeDef			SPI_InitStructure;
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
void RCC_Configuration(void);
void GPIO_Configuration(void);
void SPI_Configuration(void);
/* Private functions ---------------------------------------------------------*/

/**
  * @brief  Main program
  * @param  None
  * @retval None
  */
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_stm32l1xx_xx.s) before to branch to application main.
       To reconfigure the default setting of SystemInit() function, refer to
       system_stm32l1xx.c file
     */
  RCC_Configuration();
  GPIO_Configuration();
  SPI_Configuration();
  VS_init();
  
//  SPI_I2S_SendData(SPI2,0xff);

  while (1)
  {	   

//	VS_mp3_play()	 ;
//	VS_sine_test();
    mp3_open_play();
	delay_ms(1000);


  }
}

/*************RCC configuration*******************/
/*system clock 32M APB1clock 32M	APB2clock 32M***********/
void RCC_Configuration(void)
{

  /* GPIOA Periph clock enable */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
}
/**************************************************/



/*************GPIO configuration*******************/
void GPIO_Configuration(void)
{

  /* Configure PA　VS_RESET  VS_XCS VS_XDCS in output pushpull mode */
  GPIO_InitStructure.GPIO_Pin = VS_RESET | VS_XCS | VS_XDCS;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
  /* Configure PA VS_DERQ in input float mode */
  GPIO_InitStructure.GPIO_Pin = VS_DERQ	  ;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

  //SPI2 VS AF pin map
  GPIO_PinAFConfig (GPIOB, GPIO_PinSource13 , GPIO_AF_SPI2);
  GPIO_PinAFConfig (GPIOB, GPIO_PinSource14 , GPIO_AF_SPI2);
  GPIO_PinAFConfig (GPIOB, GPIO_PinSource15 , GPIO_AF_SPI2);

  /* Configure PB VS SPI2 VS_SO VS_SI VS_SCK pin */
  GPIO_InitStructure.GPIO_Pin = VS_SO | VS_SI | VS_SCK | GPIO_Pin_12;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
  GPIO_Init(GPIOB, &GPIO_InitStructure);

  /* Configure PB SD_CS in output pushpull mode */
  GPIO_InitStructure.GPIO_Pin = SD_CS;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_Init(GPIOB, &GPIO_InitStructure);

  //SPI1 SD AF pin map
  GPIO_PinAFConfig (GPIOA, GPIO_PinSource5 , GPIO_AF_SPI1);
  GPIO_PinAFConfig (GPIOA, GPIO_PinSource11 , GPIO_AF_SPI1);
  GPIO_PinAFConfig (GPIOA, GPIO_PinSource12 , GPIO_AF_SPI1);

  /* Configure SD SPI1 PA SD_SO SD_SI SD_SCK pin */
  GPIO_InitStructure.GPIO_Pin = SD_SO | SD_SI | SD_SCK ;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

}
/**************************************************/




/*************************SPI configuration *********/
void SPI_Configuration()
{
  /**********VS SPI2 configuration************/
  SPI_Cmd(SPI2, DISABLE);            //必须先禁能,才能改变MODE

  SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
  SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
  SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
  SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
  SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
  SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
  SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
  SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
  SPI_InitStructure.SPI_CRCPolynomial = 7;				// No CRC required


  SPI_Init (SPI2, &SPI_InitStructure)  ;

  SPI_Cmd (SPI2, ENABLE)  ;
  //SPI_CalculateCRC (SPI2, DISENABLE)  ;				   //取消CRC校验
  /****************************************/

  /************SD SPI 1 configuration*************/
  SPI_Cmd(SPI1, DISABLE);            //必须先禁能,才能改变MODE

  SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
  SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
  SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
  SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
  SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
  SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
  SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4;
  SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
  SPI_InitStructure.SPI_CRCPolynomial = 7;				// No CRC required


  SPI_Init (SPI1, &SPI_InitStructure)  ;

  SPI_Cmd (SPI1, ENABLE)  ;
  //SPI_CalculateCRC (SPI1, DISENABLE)  ;				   //取消CRC校验



  /********************************************/
}
/*****************************************************/




/**
  * @brief  Delay Function.
  * @param  nCount:specifies the Delay time length.
  * @retval None
  */

#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 2012 STMicroelectronics *****END OF FILE****/