github://libopencm3-examples/
Look in the examples/stm32/f3/stm32f3-discovery directory for examples.
On Wed, Jul 16, 2014 at 1:27 PM, Luis Rodrigues <[email protected]>
wrote:
> Its STM32F302R8T6, so I guess it does not have OTG.
>
> Just realized one of the files I'm converting basically is
> "usb_cdcacm/cdcacm.c" (from examples) with added stuff:
>
>
> nvic_enable_irq(NVIC_OTG_FS_IRQ); and then:
>
> void otg_fs_isr(void) { (this is interrupt handler, right?)
> usbd_poll(usbd_dev);
> }
>
> Can you please help me, how could this be done in F3?
>
> Luis
>
>
>
> On 16 July 2014 21:40, Chuck McManis <[email protected]> wrote:
>
>> The code recently changed (well a couple of months ago) so that instead
>> of rcc_peripheral_enable_clock( ...) its now simply
>> rcc_periph_clock_enable(RCC_GPIOA) for example, But perhaps more
>> importantly I don't believe the f3 has a USB OTG i/o port, I believe it is
>> device only USB so there will be no OTG_FS in it. Do you have a part number
>> for the chip you are targeting?
>>
>> --Chuck
>>
>>
>>
>> On Wed, Jul 16, 2014 at 12:16 PM, Luis Rodrigues <[email protected]>
>> wrote:
>>
>>> Hi all,
>>> I'm a complete noobie at programming MCUs, I'm trying to port some code
>>> made for smt32f4 to a stm32f3.
>>>
>>> I have some code that:
>>> nvic_enable_irq(NVIC_OTG_FS_IRQ);
>>> rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPAEN);
>>> rcc_peripheral_enable_clock(&RCC_AHB2ENR, RCC_AHB2ENR_OTGFSEN);
>>>
>>>
>>> None of these are defined for F3, can someone please point me in the
>>> right direction?
>>>
>>> Best,
>>> Luis
>>>
>>> PS:
>>> From what I've seen in include files I guess RCC_AHB1ENR becomes
>>> RCC_AHBENR but
>>> but not really sure
>>>
>>>
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>
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