This function was badly copied and pasted from the f4 library, where there are
two functions, rcc_set_main_pll_hsi and rcc_set_main_pll_hse which combine
source, multipliers, dividers and other pll factors.
On F3, (not all of them, but the ones we support now), the function as
implemented has nothing to do with hsi / hse, and instead is simply selecting
the PLL multiplier.
Copypasta from f4 rcc code was only modified to shift the result, but not clear
the existing settings properly. Add mask/shift definitions and use them
properly.
The filename has always been wrong, "6" is a temperature grade, but f405 and
f407 are in the same datasheet, and all have the 64k CCM. Add it to the linker
script.
TSC_IOGxCR is actually a 32 bit register, of which 13 bits are used
(rest are reserved).
Also, added x-1 since G0 is not a valid group, TSC_IOGCSR_GxE(1) is supposed
to be at 0x34, not 0x38.
Was only in the (obviously out of date) documented example and as a
declaration. No implementations. Dropping immediately, but documentation
still needs further work.
Most changes are noise from doxygen.
Readme udpated to explain newer FP_FLAGS for m7
stm32f7 library is skipped if the toolchain doesn't support it yet.
GUSBCFG TRDT fields have very particular meanings, and the field should be set
depending on your bus speed. There's no 8/16bit meaning in any current
reference manual for this field.
Fixes github issue #530
All the macro arguments that are user supplied, or potentially, wrap properly
in () as good practice.
Probably missed one or two, and a lot of them are possibly unnecessary, but
it's straightforward to just do it always.
Fixes github issue #321
Renamed every instance of variable CFLAGS in target specific Makefiles
to TGT_CFLAGS to free up CFLAGS for user defined compiler flags.
Added information in README.md about existence and usage of CFLAGS
environment variable in build process.
Control transfers can transfer less than was requested by the host in the
wLength field. if this short transfer is a multiple of the endpoint's packet
size, a zero length packet must be sent.
Adds tests for a range of control transfer IN requests, and properly supports
this in the core. Based heavily on work by Kuldeep Dhaka.
See https://github.com/libopencm3/libopencm3/pull/505
and https://github.com/libopencm3/libopencm3/pull/194 for original discussion.
Tested with stm32f4, stm32f103 and stm32l053.
More could probably be found, but this makes some of the basic RCC defines for
the L0 much more inline with other platforms, and much less verbose. This
helps us have more identical code for library users across different targets.
Based on previous work, add a new driver for the v2 usb peripheral found on
stm32f0 and l0 devices.
Correspondingly, add a usb gadget zero test suite for the f0. L0 device level
code isn't yet ready, but will add the test case when it moves in.
Work by Frantisek Burian, Kuldeep
Singh Dhaka, Robin Kreis, fenugrec and zyp on irc, and all those forgotten.
