From 2810670ce2c43291bf7eac9ef198cfdd17111cac Mon Sep 17 00:00:00 2001
From: eggman <skouhei@gmail.com>
Date: Wed, 3 Aug 2016 18:47:19 +0900
Subject: [PATCH] Update README.md

---
 README.md | 45 +++++++++++++++++++++++++++++++++++++++------
 1 file changed, 39 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 2fef52d..4abdc47 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,47 @@
 # rtl_ameba_gcc_sample
 
-* Realtek ameba gcc build environment
-
+Realtek ameba gcc build environment
 
 * os : linux
 * toolchan : arm-eabi-none-gcc
 
+# usage
 
-* usage:
-* make
-* genrate makebin/ram_all.bin
+```
+$ make
+...
+genrate makebin/ram_all.bin
+```
 
-* This example is based on https://github.com/neojou/arm-gcc-blink-example
+# support chips
+* RTL8195AM
+* RTL8711AM
+* RTL8711AF
+* RTL8710AF
+
+# features
+## support
+* UART
+* GPIO
+* I2C
+* SPI
+* FLASH
+* PWM
+* Timer
+* ADC (RTL8195AM only)
+* DAC (RTL8195AM only)
+* SDRAM (RTL8195AM and RTL8711AM only)
+* I2S (HAL only)
+
+## not support
+* Wi-Fi
+* USB OTG
+* Ethernet
+* SDIO Host
+* SDIO Device
+
+features depend on sdk/lib/lib_platform.a .
+
+# other
+
+This environment is based on https://github.com/neojou/arm-gcc-blink-example