int sam_sdinitialize(int port, int minor)
{
FAR struct spi_dev_s *spi;
int ret;
/* Get the SPI driver instance for the SD chip select */
fvdbg("Initializing SERCOM SPI%d\n", port);
spi = sam_spibus_initialize(port);
if (!spi)
{
fdbg("Failed to initialize SPI%d\n", port);
return -ENODEV;
}
fvdbg("Successfully initialized SPI%d\n", port);
/* Bind the SPI device for the chip select to the slot */
fvdbg("Binding SPI%d to MMC/SD slot %d\n", port, SAMDL_MMCSDSLOTNO);
ret = mmcsd_spislotinitialize(minor, SAMDL_MMCSDSLOTNO, spi);
if (ret < 0)
{
fdbg("Failed to bind SPI%d to MMC/SD slot %d: %d\n",
port, SAMDL_MMCSDSLOTNO, ret);
return ret;
}
fvdbg("Successfuly bound SPI%d to MMC/SD slot %d\n",
port, SAMDL_MMCSDSLOTNO);
return OK;
}
FAR struct lcd_dev_s *sam_graphics_setup(unsigned int devno)
{
FAR struct spi_dev_s *spi;
FAR struct lcd_dev_s *dev;
/* Configure the OLED GPIOs. This initial configuration is RESET low,
* putting the OLED into reset state.
*/
sam_configgpio(GPIO_SSD1306_RST);
/* Wait a bit then release the OLED from the reset state */
up_mdelay(20);
sam_gpiowrite(GPIO_SSD1306_RST, true);
/* Get the SPI1 port interface */
spi = sam_spibus_initialize(GPIO_SSD1306_CS);
if (!spi)
{
lcderr("ERROR: Failed to initialize SPI port 1\n");
}
else
{
/* Bind the SPI port to the OLED */
dev = ssd1306_initialize(spi, NULL, devno);
if (!dev)
{
lcderr("ERROR: Failed to bind SPI port 1 to OLED %d: %d\n", devno);
}
else
{
lcdinfo("Bound SPI port 1 to OLED %d\n", devno);
/* And turn the OLED on */
(void)dev->setpower(dev, CONFIG_LCD_MAXPOWER);
#if defined(CONFIG_VIDEO_FB) && defined(CONFIG_LCD_FRAMEBUFFER)
/* Initialize and register the simulated framebuffer driver */
ret = fb_register(0, 0);
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: fb_register() failed: %d\n", ret);
}
#endif
return dev;
}
}
return NULL;
}
FAR struct lcd_dev_s *board_graphics_setup(unsigned int devno)
{
FAR struct spi_dev_s *spi;
FAR struct lcd_dev_s *dev;
/* Configure the OLED PORTs. This initial configuration is RESET low,
* putting the OLED into reset state.
*/
(void)sam_configport(PORT_OLED_RST);
/* Wait a bit then release the OLED from the reset state */
up_mdelay(20);
sam_portwrite(PORT_OLED_RST, true);
/* Get the SPI1 port interface */
spi = sam_spibus_initialize(OLED_CSNO);
if (!spi)
{
lcderr("ERROR: Failed to initialize SPI port 1\n");
}
else
{
/* Bind the SPI port to the OLED */
dev = ssd1306_initialize(spi, devno);
if (!dev)
{
lcderr("ERROR: Failed to bind SPI port 1 to OLED %d: %d\n", devno);
}
else
{
lcdinfo("Bound SPI port 1 to OLED %d\n", devno);
/* And turn the OLED on */
(void)dev->setpower(dev, CONFIG_LCD_MAXPOWER);
return dev;
}
}
return NULL;
}
int sam_tsc_setup(int minor)
{
FAR struct spi_dev_s *dev;
int ret;
iinfo("minor %d\n", minor);
DEBUGASSERT(minor == 0);
/* Configure and enable the ADS7843E interrupt pin as an input */
(void)sam_configgpio(GPIO_TCS_BUSY);
(void)sam_configgpio(GPIO_TCS_IRQ);
/* Configure the PIO interrupt */
sam_gpioirq(GPIO_TCS_IRQ);
/* Get an instance of the SPI interface for the touchscreen chip select */
dev = sam_spibus_initialize(TSC_CSNUM);
if (!dev)
{
ierr("ERROR: Failed to initialize SPI chip select %d\n", TSC_CSNUM);
return -ENODEV;
}
/* Initialize and register the SPI touschscreen device */
ret = ads7843e_register(dev, &g_tscinfo, CONFIG_ADS7843E_DEVMINOR);
if (ret < 0)
{
ierr("ERROR: Failed to initialize SPI chip select %d\n", TSC_CSNUM);
/* sam_spibus_uninitialize(dev); */
return -ENODEV;
}
return OK;
}
int sam_at25_automount(int minor)
{
FAR struct spi_dev_s *spi;
FAR struct mtd_dev_s *mtd;
static bool initialized = false;
int ret;
/* Have we already initialized? */
if (!initialized)
{
/* No.. Get the SPI port driver */
spi = sam_spibus_initialize(AT25_PORT);
if (!spi)
{
ferr("ERROR: Failed to initialize SPI port %d\n", AT25_PORT);
return -ENODEV;
}
/* Now bind the SPI interface to the AT25 SPI FLASH driver */
mtd = at25_initialize(spi);
if (!mtd)
{
ferr("ERROR: Failed to bind SPI port %d to the AT25 FLASH driver\n");
return -ENODEV;
}
#if defined(CONFIG_SAMA5D3XPLAINED_AT25_FTL)
/* And finally, use the FTL layer to wrap the MTD driver as a block driver */
ret = ftl_initialize(AT25_MINOR, mtd);
if (ret < 0)
{
ferr("ERROR: Failed to initialize the FTL layer: %d\n", ret);
return ret;
}
#elif defined(CONFIG_SAMA5D3XPLAINED_AT25_NXFFS)
/* Initialize to provide NXFFS on the MTD interface */
ret = nxffs_initialize(mtd);
if (ret < 0)
{
ferr("ERROR: NXFFS initialization failed: %d\n", ret);
return ret;
}
/* Mount the file system at /mnt/at25 */
ret = mount(NULL, "/mnt/at25", "nxffs", 0, NULL);
if (ret < 0)
{
ferr("ERROR: Failed to mount the NXFFS volume: %d\n", errno);
return ret;
}
#endif
/* Now we are initializeed */
initialized = true;
}
return OK;
}