Ahhh so say FSMC with say a DS3231 I2C Precision Clock with AT24C32 Memory???
The resources onboard are insufficient...?
Ben
Verstuurd vanaf mijn iPhone
> Op 5 jan. 2020 om 14:53 heeft Gregory Nutt <spudan...@gmail.com> het volgende
> geschreven:
>
> You need to allocate **contiguous** memory for the framebuffer. The largest
> contiguous region in the heap has size 124,192 bytes. You can allocate
> nothing larger than that.
>
> The size of the framebuffer you are tying to allocate is 153,600 bytes. So
> any attempt to allocate that framebuffer from that heap will fail.
>
>> On 1/5/2020 7:49 AM, disruptivesolution...@gmail.com wrote:
>> Oke I think I am getting somewhere....
>>
>> Priv has (during lcd_framebuffer):
>> fblen -> 153600
>> xres -> 320
>> yres -> 240
>> stride -> 640
>> display -> 0 '\0'
>>
>> fbmem = 0x0
>> *fbmem -> 72 'H'
>>
>> But it stil runs into this error:
>> priv->fbmem = (FAR uint8_t *)kmm_zalloc(priv->fblen);
>> if (priv->fbmem == NULL)
>> {
>> --?> lcderr("ERROR: Failed to allocate frame buffer memory\n");
>>
>> What am I overlooking here? Yes fbmem is 0... .....
>>
>> Total; used; free; largest;
>> Umem: 191920 7568 184352 124192
>>
>> Ben
>>
>> -----Oorspronkelijk bericht-----
>> Van: Gregory Nutt <spudan...@gmail.com>
>> Verzonden: zaterdag 4 januari 2020 22:39
>> Aan: dev@nuttx.apache.org
>> Onderwerp: Re: NX Graphics
>>
>>
>>> Priv->fblen = 0
>> Trying to allocate a buffer of zero length will return the value NULL too.
>>
>>
>>
>
