rt-thread/bsp/efm32/Readme.txt
onelife.real 69ad018bc0 *** EFM32 branch ***
1. Add SD card driver (SPI mode)
2. Add ELM ChaN FatFs support (Please read "Readme.txt")
   - Warning: FatFs is really FAT! (35KB)
3. Upgrade EFM32 libraries (CMSIS and efm32lib) to version 2.0.0
4. Merge all of the C source code in "libcpu\arm\cortex-m3\" into "cpuport.c"
5. Merge all of the assembly source code in "libcpu\arm\cortex-m3\" into "context_gcc.S" (except "start_gcc.S")

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1525 bbd45198-f89e-11dd-88c7-29a3b14d5316
2011-06-20 01:56:28 +00:00

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To test the ELM FatFs:
1. Please copy "bsp/efm32/copy_this_file_dfs_elm.c" to "components/dfs/filesystems/elmfat/"
2. rename it to "dfs_elm.c" replacing the original file
3. and then compile
Warning:
FatFs is really FAT! (35KB)
You may remove the following defines in "rtconfig.h" to save space:
//#define RT_MEM_DEBUG
//#define THREAD_DEBUG
//#define IRQ_DEBUG
//#define RT_IRQHDL_DEBUG
//#define RT_IIC_DEBUG
//#define RT_MISC_DEBUG
//#define RT_ADC_DEBUG
//#define RT_ACMP_DEBUG
//#define RT_TIMER_DEBUG
//#define RT_RTC_DEBUG
//#define RT_USING_EVENT
//#define RT_USING_MAILBOX
//#define RT_USING_MESSAGEQUEUE
//#define RT_USING_MEMPOOL
//#define RT_USING_IIC0 0x1UL
//#define RT_USING_ACMP0
//#define RT_USING_ADC0
//#define RT_USING_TIMER2 (0x00) /* Continuous mode */
//#define RT_USING_RTC
//#define EFM32_USING_SFLASH