Looks pretty reasonable. What sort of debugger are you using?
--Chuck
On Mon, Nov 27, 2017 at 1:27 PM, Zygmunt Ptak <zygmuntp...@gmail.com> wrote:
> Hi,
>
> Thank you for your response.
>
> USB works on my board, I tested it with code generated by: STM32CubeMX.
> STM32CubeMX generates only one USB interface code, and it is not
> possible use few USB interfaces;-/
> That is why I'm trying use libopenmc3:)
>
> I reused settings from STM32CubeMX rcc tab, and I've got, something like:
>
> const struct rcc_clock_scale rcc_cs_96 = {
> .pllm = 8,
> .plln = 192,
> .pllp = 2,
> .pllq = 4,
> .pllr = 0,
> .flash_config = FLASH_ACR_DCEN | FLASH_ACR_ICEN |
> FLASH_ACR_LATENCY_3WS,
> .hpre = RCC_CFGR_HPRE_DIV_NONE,
> .ppre1 = RCC_CFGR_PPRE_DIV_4,
> .ppre2 = RCC_CFGR_PPRE_DIV_2,
> .power_save = 1,
> .ahb_frequency = 96000000,
> .apb1_frequency = 48000000,
> .apb2_frequency = 96000000,
> };
>
> Main code is:
>
> int main(void)
> {
> rcc_clock_setup_hse_3v3(&rcc_cs_96);
> rcc_periph_clock_enable(RCC_GPIOA);
> rcc_periph_clock_enable(RCC_OTGFS);
>
> gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO9 |
> GPIO11 | GPIO12);
> gpio_set_af(GPIOA, GPIO_AF10, GPIO9 | GPIO11 | GPIO12);
>
> usbd_device *usbd_dev = usbd_init(
> &otgfs_usb_driver, &dev, &config,
> usb_strings, 3,
> usbd_control_buffer, sizeof(usbd_control_buffer)
> );
> usbd_register_set_config_callback(usbd_dev, cdcacm_set_config);
> while (1) {
> usbd_poll(usbd_dev);
> }
> }
>
> My input HSE crystal is 8MHz.
>
> Still doesn't work... But also trying get to work that...
>
> Thanks
> Zygmunt
>
> 2017-11-27 21:46 GMT+01:00 Karl Palsson <ka...@tweak.net.au>:
> >
> > F411 simply didn't exist when those examples were written.
> >
> > As far as I can tell, you should be using the ogffs_usb_driver,
> > and you'll probably have to do some things to configure your RCC
> > clocks properly, I imagine there may have been some changes, but
> > a cursory check over RM0383 seems to the same as rm0090 for most
> > purposes I can tell.
> >
> > You should definitely follow Chuck's advice and check that you
> > have the right GPIOs connected, and set to the right modes.
> >
> > You should check that your dev board has a suitable crystal and
> > that you are using it in your clock configuration.
> >
> > You should not have to edit the driver or make a new driver at
> > all.
> >
> >
> > Chuck McManis <chuck.mcma...@gmail.com> wrote:
> >> There are four things that must be correct for USB to work 1)
> >> You must set the proper USB peripheral (FS, HS, OTG) and have
> >> the appropriate code for that peripheral 2) You must set the
> >> proper I/O pins (enable the clocks, set their alternate
> >> function) 3) You must enable the clocks for both the GPIO ports
> >> where the pins are, and the USB peripheral you are using 4) You
> >> must call usb_poll() often enough for it to service any
> >> requests coming from the host.
> >>
> >> I recommend that you read through the USB section of the
> >> Reference Manual (RM0383 :
> >> http://www.st.com/resource/en/reference_manual/dm00119316.pdf).
> >>
> >> --Chuck
> >>
> >>
> >> On Mon, Nov 27, 2017 at 6:50 AM, Zygmunt Ptak
> >> <zygmuntp...@gmail.com> wrote:
> >>
> >> > Hi,
> >> >
> >> > I have a dev platform based on stm32f411ce.
> >> >
> >> > I'm trying to get working USB, but I doesn't work.
> >> > I copied code from f4 examples (my build for blinking LED example
> >> > works), but somehow USB is dead.
> >> >
> >> > I don't see any USB example for stm32f411re or near.
> >> > Is there some reason why example is not implemented for stm32f411re?
> >> >
> >> > Do I have to implement driver?
> >> > I tried both: otgfs_usb_driver, otghs_usb_driver. Other are not
> >> > included in build.
> >> >
> >> > What I have to do to get USB on my stm32f411ce?
> >> >
> >> > Best Regards
> >> > Zygmunt Ptak
> >> >
> >> > ------------------------------------------------------------
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> >> >
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