X-Git-Url: https://git.rohieb.name/hackover2013-badge-firmware.git/blobdiff_plain/6dc0e5dfc2d00d5f2fd0cf684c87cf889b9d4ae9..4292be14c78b8f30075c9e4837dd026f6fec532e:/drivers/displays/bitmap/ssd1306/ssd1306.h

diff --git a/drivers/displays/bitmap/ssd1306/ssd1306.h b/drivers/displays/bitmap/ssd1306/ssd1306.h
index 2f4abf1..538cd4d 100644
--- a/drivers/displays/bitmap/ssd1306/ssd1306.h
+++ b/drivers/displays/bitmap/ssd1306/ssd1306.h
@@ -69,7 +69,7 @@
 /*=========================================================================
     I2C Address - 011110+SA0+RW ... 0x78 for SA0 = 0, 0x7A for SA0 = 1
     ---------------------------------------------------------------------*/
-    #define SSD1306_I2C_ADDRESS   (0x78)
+    #define SSD1306_I2C_ADDRESS   (0x7A)
     #define SSD1306_I2C_READWRITE (0x01)
 /*=========================================================================*/
 #endif
@@ -109,16 +109,24 @@
     #endif
 /*=========================================================================*/
 
+
 // Pin Definitions
-#define SSD1306_DC_PORT                    (2)     // Data/Command ... used for SA0 with I2C
+// ---------------
+// The following are only relevant for SPI mode!
+// For I2C, connect Reset to the LPC1114 reset pin, and HW DC for 1 or 0 
+// to set last I2C address but to 1 or 0.  This means the OLED can not
+// be reset in SW seperate from the MCU, but allows the OLED to be used
+// with only the two I2C pins
+
+#define SSD1306_DC_PORT                    (2)     // Data/Command ... also used as SA0 for I2C
 #define SSD1306_DC_PIN                     (1)
-#define SSD1306_RST_PORT                   (2)     // Reset           (I2C + SPI)
+#define SSD1306_RST_PORT                   (2)     // Reset
 #define SSD1306_RST_PIN                    (2)
-#define SSD1306_CS_PORT                    (2)     // Select          (SPI only)
+#define SSD1306_CS_PORT                    (2)     // Select
 #define SSD1306_CS_PIN                     (3)
-#define SSD1306_SCLK_PORT                  (2)     // Serial Clock    (SPI only)
+#define SSD1306_SCLK_PORT                  (2)     // Serial Clock
 #define SSD1306_SCLK_PIN                   (5)
-#define SSD1306_SDAT_PORT                  (2)     // Serial Data     (SPI only)
+#define SSD1306_SDAT_PORT                  (2)     // Serial Data
 #define SSD1306_SDAT_PIN                   (6)
 
 // Commands