ch376_usb STM32源程序

ID:302293 · 發表于 2020-9-17 17:18

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include <stdio.h>
#include "FILE_SYS.H"
#include "usart.H"
#include "string.h"

void Delay(__IO uint32_t nCount);
void GPIOInit(void);
void mStopIfError(uint8_t iError);
UINT8       CH376DiskFat( void );

unsigned char buf[64];

/*******************************************************************************
*       函數名：mStopIfError
*       輸  入:       iError, 錯誤代碼
*       輸  出:
*       功能說明：檢查操作狀態,如果錯誤則顯示錯誤代碼并停機,
*       應該替換為實際的處理措施,例如顯示錯誤信息,等待用戶確認后重試等
*******************************************************************************/
void mStopIfError(uint8_t iError)
{
      if (iError == USB_INT_SUCCESS)
      {
            return;  /* 操作成功 */
      }
      while(1)
      {
//             printf("212123\r\n");
            /* LED閃爍 */
            GPIO_ResetBits(GPIOB,  GPIO_Pin_12);
            mDelaymS( 200 );
            GPIO_SetBits(GPIOB,  GPIO_Pin_12);
            mDelaymS( 200 );

      }
}
UINT8       CH376DiskFat( void )  /* 查詢磁盤文件格式信息,扇區數 */
{
      UINT8       s, i;
#ifndef       DEF_IC_V43_U
      xWriteCH376Cmd( CMD01_GET_IC_VER );
      if ( xReadCH376Data( ) < 0x43 ) {
            if ( CH376ReadVar8( VAR_DISK_STATUS ) >= DEF_DISK_READY ) CH376WriteVar8( VAR_DISK_STATUS, DEF_DISK_MOUNTED );
      }
#endif
      s = CH376SendCmdWaitInt( CMD0H_DISK_QUERY );
      if ( s == USB_INT_SUCCESS ) {  /* 參考CH376INC.H文件中CH376_CMD_DATA結構的DiskQuery */
            xWriteCH376Cmd( CMD01_RD_USB_DATA0 );
            xReadCH376Data( );  /* 長度總是sizeof(CH376_CMD_DATA.DiskQuery) */
            xReadCH376Data( );  /* CH376_CMD_DATA.DiskQuery.mTotalSector */
            xReadCH376Data( );
            xReadCH376Data( );
            xReadCH376Data( );
            xReadCH376Data( );  /* CH376_CMD_DATA.DiskQuery.mFreeSector */
            xReadCH376Data( );
            xReadCH376Data( );
            xReadCH376Data( );
            i = xReadCH376Data( );  /* CH376_CMD_DATA.DiskQuery.mDiskFat */
            xEndCH376Cmd( );
      }
      else  i = 5;
      return( i );
}

int main(void)
{
      unsigned char i,s;
P_FAT_DIR_INFO       pDir;

      GPIOInit();
      USART_init();

      //printf("\r\n TEST \r\n");

            s = mInitCH376Host();  /* 初始化CH376 */
      mStopIfError( s );

            while ( CH376DiskConnect( ) != USB_INT_SUCCESS )       /* 檢查U盤是否連接,等待U盤插入,對于SD卡,可以由單片機直接查詢SD卡座的插拔狀態引腳 */
            {
                     printf("1212121:\r\n");
                     mDelaymS( 100 );
            }
            printf("8888888888\r\n");
            mDelaymS( 200 );  /* 延時,可選操作,有的USB存儲器需要幾十毫秒的延時 */

      /* 對于檢測到USB設備的,最多等待100*50mS,主要針對有些MP3太慢,對于檢測到USB設備并且連接DISK_MOUNTED的,最多等待5*50mS,主要針對DiskReady不過的 */
            for ( i = 0; i < 100; i ++ )
            {  /* 最長等待時間,100*50mS */
                     mDelaymS( 50 );
                     s = CH376DiskMount( );  /* 初始化磁盤并測試磁盤是否就緒 */
                     if ( s == USB_INT_SUCCESS ) break;  /* 準備好 */
                     else if ( s == ERR_DISK_DISCON ) break;  /* 檢測到斷開,重新檢測并計時 */
                     if ( CH376GetDiskStatus( ) >= DEF_DISK_MOUNTED && i >= 5 ) break;  /* 有的U盤總是返回未準備好,不過可以忽略,只要其建立連接MOUNTED且嘗試5*50mS */
            }
            if ( CH376GetDiskStatus( ) < DEF_DISK_MOUNTED )
            {  /* 未知USB設備,例如USB鍵盤、打印機等 */
// printf( "Unknown device\n" );
               while ( CH376DiskConnect( ) == USB_INT_SUCCESS )
                     {  /* 檢查U盤是否連接,等待U盤拔出 */
                        mDelaymS( 100 );
               }
            }
//             i = CH376ReadBlock( buf );  /* 如果需要,可以讀取數據塊CH376_CMD_DATA.DiskMountInq,返回長度 */
//             if ( i == sizeof( INQUIRY_DATA ) )
//             {  /* U盤的廠商和產品信息 */
//                      buf[ i ] = 0;
//                      printf( "SDdiskInfo: %s\n", ((P_INQUIRY_DATA)buf) -> VendorIdStr );
//             }
strcpy( buf, "\\*" );  //列出根目錄下的文件
            s = CH376FileOpenPath( buf );  /* 枚舉多級目錄下的文件或者目錄,輸入緩沖區必須在RAM中 */
            while ( s == USB_INT_DISK_READ ) /* 枚舉到匹配的文件 */
                     {
                  CH376ReadBlock( buf );  /* 讀取枚舉到的文件的FAT_DIR_INFO結構,返回長度總是sizeof( FAT_DIR_INFO ) */
                              pDir = (P_FAT_DIR_INFO)buf;  /* 當前文件目錄信息 */
                              if ( pDir -> DIR_Name[0] != '.' )  /* 不是本級或者上級目錄名則繼續,否則必須丟棄不處理 */
                              {
                                    if ( pDir -> DIR_Name[0] == 0x05 ) pDir -> DIR_Name[0] = 0xE5;  /* 特殊字符替換 */
                                    pDir -> DIR_Attr = 0;  /* 強制文件名字符串結束以便打印輸出 */
                                    printf( "*** EnumName: %s\n", pDir -> DIR_Name );  /* 打印名稱,原始8+3格式,未整理成含小數點分隔符 */

                              }
                              xWriteCH376Cmd( CMD0H_FILE_ENUM_GO );  /* 繼續枚舉文件和目錄 */
                              xEndCH376Cmd( );
                              s = Wait376Interrupt( );
                     }
                     if ( s != ERR_MISS_FILE ) mStopIfError( s );  /* 操作出錯 */

      while (1)
{
                     printf("212123\r\n");
               GPIO_SetBits(GPIOB, GPIO_Pin_12);
         /* Insert delay */
         Delay(0xAFFFF);

         GPIO_ResetBits(GPIOB, GPIO_Pin_12);
         /* Insert delay */
         Delay(0xAFFFF);
}
}

void GPIOInit(void)
{
      GPIO_InitTypeDef GPIO_InitStructure;
      /* GPIOB Periph clock enable */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);

      /* Configure PB12 and PB13 in output pushpull mode */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_13;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}

void Delay(__IO uint32_t nCount)
{
      for(; nCount != 0; nCount--);
}

/*
  * @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)
  {
  }
}

/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/

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ch376_usb STM32源程序