1. Upgrade EFM32 driver libraries (CMSIS and efm32lib) to version 2.3.0 (from version 2.2.2)
2. Add EFM32GG-DK3750 development kit support (driver version 1.2.1)
3. Add giant gecko (EFM32GG) support
4. Add LEUART module driver (max 9600bsp)
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1839 bbd45198-f89e-11dd-88c7-29a3b14d5316
1. Move file, "start_gcc.S", from "libcpu/arm/cortex-m3/" to "bsp/efm32/"
2. Upgrade EFM32 driver libraries (CMSIS and efm32lib) to version 2.2.2
3. Upgrade EFM32 G2xx development kit drivers (EFM32_Gxxx_DK) to version 1.7.2 (from version 1.6.0)
4. Modify the files ("drv_usart.c" and "drv_iic.c") according to the driver libraries upgrading
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1818 bbd45198-f89e-11dd-88c7-29a3b14d5316
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
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