Do you have enough memory to allocate the framebuffer? What is the
value of priv->fblen? What is the size of the allocated heap? Try
"nsh> free"
On 1/4/2020 11:44 AM, disruptivesolution...@gmail.com wrote:
priv->fbmem = (FAR uint8_t *)kmm_zalloc(priv->fblen);
if (priv->fbmem == NULL)
{
lcderr("ERROR: Failed to allocate frame buffer memory\n");
I dont seem to get fbmem filled. tried all config options, but it stays
empty. I do not have NX(WM) activated. The framebuffer should be made before
this application stack right?
Van: disruptivesolution...@gmail.com <disruptivesolution...@gmail.com>
Verzonden: zaterdag 4 januari 2020 14:49
Aan: 'dev@nuttx.apache.org' <dev@nuttx.apache.org>
Onderwerp: NX Graphics
All,
I am trying to get a ILI9341 working and a tip from Dave gave me the option
to implement it as a generic SPI driver. Before I have tried to do this with
LTDC and FMC like on the STM32F429i.
But in both cases I get in pdccurses:
* Unable to create SP: in pdc_initscr.c its not really clear to me
what the cause could be..
In both casus in NX I get:
nsh> nxhello
nxmu_start: Starting server task
lcddrv_spiif_initialize: initialize lcddrv spi subdriver
board_lcd_getdev: SPI port 2 bound to LCD 0
spi_send: Sent: 0001 Return: 00ff Status: 02
spi_send: Sent: 0001 Return: 00ff Status: 02
stm32_spi2select: devid: 262144 CS: assert
nxbe_configure: WARNING: NX configured for 1 planes, controller only needs 0
nxmu_setup: ERROR: mq_open(nxs) failed: 28
nx_server: nx_run returned: -28
nx_connectinstance: ERROR: mq_open(nxc1) failed: 28
nxhello_initialize: nx_connect failed: 28
nxhello_main: NX handle=0
nxhello_main: Failed to get NX handle: 28
What am I doing wrong? My SPI signals seem to be correct.
