[En-Nut-Discussion] Defining NUT_HWCLK_*

[Harald Kipp]

Hi Thiago,

>    That function accepts either NUT_HWCLK_CPU or NUT_HWCLK_PERIPHERAL.
> The problem is that it's only defined in timers.h with default to
> NUT_HWCLK_PERIPHERAL == NUT_HWCLK_CPU.

This is indeed strange.

> I will have to define them to be different for AVR32. Also, I will
> need a second peripheral value, because AVR32 has PBA and PBB clocks
> for peripherals and they might have different divisors, so USART can
> use one value while USB uses a different value, all based on the value
> of the main clock.

I think, include/arch/avr32/timer.h should provide something like

#define NUT_HWCLK_PERIPHERAL_A 1
#define NUT_HWCLK_PERIPHERAL_B 2
#define NUT_HWCLK_MAX 2
#define NUT_HWCLK_PERIPHERAL NUT_HWCLK_PERIPHERAL_A

assuming, that PBB is used for USB. Otherwise you may consider

#define NUT_HWCLK_PERIPHERAL NUT_HWCLK_PERIPHERAL_B

I'll look into the ARM part...  ...really strange.

Harald