altos/stm32f4: Fix clock configuration
authorKeith Packard <keithp@keithp.com>
Tue, 11 Sep 2018 08:28:03 +0000 (01:28 -0700)
committerKeith Packard <keithp@keithp.com>
Wed, 3 Oct 2018 21:51:57 +0000 (14:51 -0700)
commit1099ee755fc9e4f1f3544d6d0aaab5b5ceb26d8e
treefaa6ec441865acd3e031e2ab395bb22f3767a7f4
parent89f536ff6daea13296697870491a629a1d7cf327
altos/stm32f4: Fix clock configuration

Was running the PLL input too slow (it wants 2MHz).
Was configuring the PLL_P factor wrong (needs magic values, not P
value)

Set up clock debugging for PA8 and PC9 output. Enable on disco board
for debugging.

Signed-off-by: Keith Packard <keithp@keithp.com>
src/stm32f4-disco/ao_pins.h
src/stm32f4/ao_timer.c
src/stm32f4/stm32f4.h