/*----------------------------------------------------------------------------- * RL-ARM - FlashFS *----------------------------------------------------------------------------- * Name: SDIO_STM32F4xx.h * Purpose: SD/SDIO MMC Interface Driver for ST STM32F4xx Definitions * Rev.: V4.24 *----------------------------------------------------------------------------- * This code is part of the RealView Run-Time Library. * Copyright (c) 2004-2012 KEIL - An ARM Company. All rights reserved. *----------------------------------------------------------------------------*/ #ifndef __SDIO_STM32F4XX_H #define __SDIO_STM32F4XX_H /* SD Card communication speed */ #define SD_CLK 24000000 /* Wait timeouts, in multiples of 6 byte send over MCI (for 1 bit mode) */ #define WR_TOUT 100000 /* ~ 200 ms at MCI clk 24MHz */ #define RD_STOP_TOUT 100 /* ~ 200 us at MCI clk 24MHz */ #define DATA_RD_TOUT_VALUE (100*(SD_CLK/1000)) /* ~100ms at 24MHz SD clock */ #define DATA_WR_TOUT_VALUE (200*(SD_CLK/1000)) /* ~200ms at 24MHz SD clock */ #define WAIT_2SD_CLK(ck) (ck/(SD_CLK*2)+1) /* ~2 SD clocks wait time */ #define WAIT_CNT(ck,us) ((ck/5000000)*us) /* delay in for loop cycles */ #define SDIO_STA_CLEAR_MASK 0x00C007FF #endif /* __SDIO_STM32F4XX_H */ /*----------------------------------------------------------------------------- * end of file *----------------------------------------------------------------------------*/