davids5 commented on a change in pull request #2079:
URL: https://github.com/apache/incubator-nuttx/pull/2079#discussion_r510882850
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File path: boards/arm/stm32/common/src/stm32_ssd1306.c
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@@ -77,38 +58,88 @@ FAR struct lcd_dev_s *g_lcddev;
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
-
+#ifdef CONFIG_LCD_SSD1306_I2C
int board_ssd1306_initialize(int busno)
{
FAR struct i2c_master_s *i2c;
+ const int devno = 0;
/* Initialize I2C */
i2c = stm32_i2cbus_initialize(busno);
if (!i2c)
{
- lcderr("ERROR: Failed to initialize I2C port %d\n", OLED_I2C_PORT);
+ lcderr("ERROR: Failed to initialize I2C port %d\n", busno);
return -ENODEV;
}
/* Bind the I2C port to the OLED */
- g_lcddev = ssd1306_initialize(i2c, NULL, 0);
+ g_lcddev = ssd1306_initialize(i2c, NULL, devno);
+ if (!g_lcddev)
+ {
+ lcderr("ERROR: Failed to bind I2C port %d to OLED %d\n", busno, devno);
+ return -ENODEV;
+ }
+ else
+ {
+ lcdinfo("Bound I2C port %d to OLED %d\n", busno, devno);
+
+ /* And turn the OLED on */
+
+ g_lcddev->setpower(g_lcddev, CONFIG_LCD_MAXPOWER);
+ return OK;
+ }
+}
+#endif
+
+/****************************************************************************
+ * Name: board_ssd1306_initialize
+ *
+ * Description:
+ * Initialize and register the device. SPI version.
+ *
+ * Input Parameters:
+ * busno - The SPI bus number
+ *
+ * Returned Value:
+ * Zero (OK) on success; a negated errno value on failure.
+ *
+ ****************************************************************************/
+#ifdef CONFIG_LCD_SSD1306_SPI
Review comment:
@juniskane - is there a Kconfig for this?
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