From 9f38cbc445e95162ad583d55dbcd36b6381fe5a0 Mon Sep 17 00:00:00 2001
From: inmarket <andrewh@inmarket.com.au>
Date: Wed, 1 Apr 2015 00:30:12 +1000
Subject: [PATCH] Example board file and cpp file for the Auduino teensy and
 the SSD1351 driver

---
 boards/addons/gdisp/board_SSD1351_teensy.cpp | 60 ++++++++++++++++++++
 boards/addons/gdisp/board_SSD1351_teensy.h   | 35 ++++++++++++
 2 files changed, 95 insertions(+)
 create mode 100644 boards/addons/gdisp/board_SSD1351_teensy.cpp
 create mode 100644 boards/addons/gdisp/board_SSD1351_teensy.h

diff --git a/boards/addons/gdisp/board_SSD1351_teensy.cpp b/boards/addons/gdisp/board_SSD1351_teensy.cpp
new file mode 100644
index 00000000..b652bc21
--- /dev/null
+++ b/boards/addons/gdisp/board_SSD1351_teensy.cpp
@@ -0,0 +1,60 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
+#include <Arduino.h>
+#include <SPI.h>
+
+// pin numbers
+#define SSD1351_DC	14
+#define SSD1351_R	15
+#define SSD1351_CS	16
+
+// Predefine the routine with "C" prototypes
+extern "C" void ssd1351_init_board(void);
+extern "C" void ssd1351_setpin_reset(int state);
+extern "C" void ssd1351_acquire_bus(void);
+extern "C" void ssd1351_release_bus(void);
+extern "C" void ssd1351_write_cmd(unsigned char index);
+extern "C" void ssd1351_write_data(unsigned char data);
+
+static SPISettings settings(12000000, MSBFIRST, SPI_MODE0);
+
+void ssd1351_init_board(void) {
+	pinMode(SSD1351_R, OUTPUT);
+	pinMode(SSD1351_CS, OUTPUT);
+	pinMode(SSD1351_DC, OUTPUT);
+	digitalWriteFast(SSD1351_R, 1);
+	digitalWriteFast(SSD1351_CS, 1);
+	digitalWriteFast(SSD1351_D, 1);
+}
+
+void ssd1351_setpin_reset(int state) {
+	if (state)
+		digitalWriteFast(SSD1351_R, 0);
+	else
+		digitalWriteFast(SSD1351_R, 1);
+}
+
+void ssd1351_acquire_bus(void) {
+	SPI.beginTransaction(settings);
+	digitalWriteFast(SSD1351_CS, 0);
+}
+
+void ssd1351_release_bus(void) {
+	digitalWriteFast(SSD1351_CS, 1);
+	SPI.endTransaction();
+}
+
+void ssd1351_write_cmd(unsigned char index) {
+	digitalWriteFast(SSD1351_DC, 0);
+	SPI.transfer(index);
+	digitalWriteFast(SSD1351_DC, 1);
+}
+
+void ssd1351_write_data(unsigned char data) {
+	SPI.transfer(data);
+}
diff --git a/boards/addons/gdisp/board_SSD1351_teensy.h b/boards/addons/gdisp/board_SSD1351_teensy.h
new file mode 100644
index 00000000..92a8ba4f
--- /dev/null
+++ b/boards/addons/gdisp/board_SSD1351_teensy.h
@@ -0,0 +1,35 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
+#ifndef _GDISP_LLD_BOARD_H
+#define _GDISP_LLD_BOARD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+extern void ssd1351_init_board(void);
+extern void ssd1351_setpin_reset(int state);
+extern void ssd1351_acquire_bus(void);
+extern void ssd1351_release_bus(void);
+extern void ssd1351_write_cmd(unsigned char index);
+extern void ssd1351_write_data(unsigned char data);
+
+#define init_board(g)			ssd1351_init_board()
+#define post_init_board(g)
+#define setpin_reset(g, s)		ssd1351_setpin_reset(s)
+#define set_backlight(g, p)
+#define acquire_bus(g)			ssd1351_acquire_bus()
+#define release_bus(g)			ssd1351_release_bus()
+#define write_cmd(g, i)			ssd1351_write_cmd(i)
+#define write_data(g, d)		ssd1351_write_cmd(d)
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif /* _GDISP_LLD_BOARD_H */