void weak_function sam_spidev_initialize(void)
{
/* The I/O module containing the SD connector may or may not be installed. And, if
* it is installed, it may be in connector EXT1 or EXT2.
*/
#ifdef CONFIG_SAML21_XPLAINED_IOMODULE
/* TODO: enable interrupt on card detect */
sam_configport(PORT_SD_CD); /* Card detect input */
sam_configport(PORT_SD_CS); /* Chip select output */
#endif
#ifdef CONFIG_SAML21_XPLAINED_OLED1MODULE
sam_configport(PORT_OLED_DATA); /* Command/data */
sam_configport(PORT_OLED_CS); /* Card detect input */
#endif
}
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;
}
void board_led_initialize(void)
{
(void)sam_configport(PORT_STATUS_LED);
}
void board_button_initialize(void)
{
(void)sam_configport(PORT_SW0);
}
