[NEW BSP] Mbed lpc1768 board

[Sebastian Huber]

On 2014-06-05 15:20, Marcos Díaz wrote:
> At first we started developing this bsp inside that folder. Although
> it has many similarities with the lpc1778, it has other differences:
> There isn't an external memory controller for our bsp.
> The pinselect is very different for our board (it has more
> similarities with the one for the lpc24xx). Also the GPIO
> The start configuration for the main clock and the pll is quite
> different. And other things
>
> The macros used for the differentiation of those boards referred to
> the CPU architecture (ARM_MULTILIB_ARCH_V4 ARM_MULTILIB_ARCH_V7M) and
> in some cases we could use the functions for the lpc 24xx,in others
> for the lpc1778, and in others new code.

We had this problem also on the Freescale MPC5500 and MPC5600 chips.  This 
ARM_MULTILIB_ARCH_V4 and ARM_MULTILIB_ARCH_V7M could be replaced with something 
else.  For example

http://git.rtems.org/rtems/tree/c/src/lib/libbsp/powerpc/mpc55xxevb/configure.ac

http://git.rtems.org/rtems/tree/c/src/lib/libcpu/powerpc/mpc55xx/include/regs.h

> We created a macro for our
> bsp, but we should have changed many other macros already placed. Our
> Idea was to not break any existing code, since we can't test for the
> other boards.
> Is it still preferred to merge this new bsp with others?

I think there is a considerable amount of copy and paste involved here, but I 
didn't review it very closely.  So in case you think it is infeasible to 
integrate this BSP into standard the LPC2400 and LPC1700 directory, then we can 
add your specialized BSP.  My feeling is that this will generate more work in 
the long run though.

-- 
Sebastian Huber, embedded brains GmbH

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