1. Change the usage of the second parameter of Read and Write functions in IIC driver
- to "Slave address" from (seldom used) "Offset"
2. Add a timer for IIC driver to prevent from forever waiting
3. Add digital (IIC) interface support for accelerometer driver (Freescale MMA7455L)
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1678 bbd45198-f89e-11dd-88c7-29a3b14d5316
1. Update the copyright information
- 2009 => 2011
2. Add external oscillator configuration routine in "rt_hw_board_init()"
- Before, it is set by default frequency, 32MHz
- Now it can be set by user specified frequency
3. Add ADC and ACMP (analog comparator) drivers
4. Clarify the MCU and target board define in "rtconfig.py"
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1296 bbd45198-f89e-11dd-88c7-29a3b14d5316