From f8997e5703c2c02a35f580b69dba58399ad84cf5 Mon Sep 17 00:00:00 2001
From: Tectu <joel@unormal.org>
Date: Sun, 17 Jun 2012 02:00:48 +0200
Subject: [PATCH] added lcdWriteStream start and stop functions

---
 drivers/lcd/ssd1289_lld.c | 28 +++++++++++++++++++++++++++-
 drivers/lcd/ssd1289_lld.h |  2 ++
 glcd.c                    |  8 ++++++++
 glcdconf.h                | 11 +++++++++--
 4 files changed, 46 insertions(+), 3 deletions(-)

diff --git a/drivers/lcd/ssd1289_lld.c b/drivers/lcd/ssd1289_lld.c
index 7a9109ad..82cd281e 100644
--- a/drivers/lcd/ssd1289_lld.c
+++ b/drivers/lcd/ssd1289_lld.c
@@ -71,8 +71,34 @@ static __inline void lcdDelay(uint16_t us) {
 	chThdSleepMicroseconds(us);
 }
 
-__inline lld_lcdWriteStream(uint16_t *buffer, uint16_t size) {
+__inline void lld_lcdWriteStreamStart(void) {
+	#ifdef LCD_USE_GPIO
+		Clr_CS
+		Clr_RS;
+		Set_RD;
 
+		palWritePort(LCD_DATA_PORT, 0x0022);
+
+		Clr_WR;
+		Set_WR;
+	#endif
+}
+
+__inline void lld_lcdWriteStreamStop(void) {
+	#ifdef LCD_USE_GPIO
+		Set_CS;	
+	#endif
+}
+
+__inline void lld_lcdWriteStream(uint16_t *buffer, uint16_t size) {
+	uint16_t i;
+
+	for(i = 0; i < size; i++) {
+		palWritePort(LCD_DATA_PORT, buffer[i]);
+
+		Clr_WR;
+		Set_WR;
+	}
 }
 
 void lld_lcdSetCursor(uint16_t x, uint16_t y) {
diff --git a/drivers/lcd/ssd1289_lld.h b/drivers/lcd/ssd1289_lld.h
index 19235d2f..6d26d3ad 100644
--- a/drivers/lcd/ssd1289_lld.h
+++ b/drivers/lcd/ssd1289_lld.h
@@ -16,6 +16,8 @@
 #define Clr_RD		palClearPad(LCD_CMD_PORT, LCD_RD);
 
 void lld_lcdInit(void);
+void lld_lcdWriteStreamStart(void);
+void lld_lcdWriteStreamStop(void);
 void lld_lcdWriteStream(uint16_t *buffer, uint16_t size);
 void lld_lcdSetCursor(uint16_t x, uint16_t y);
 void lld_lcdSetOrientation(uint8_t newOrientation);
diff --git a/glcd.c b/glcd.c
index 2e4f059d..a28681d2 100644
--- a/glcd.c
+++ b/glcd.c
@@ -59,6 +59,14 @@ void lcdDrawPixel(uint16_t x, uint16_t y, uint16_t color) {
 	lld_lcdDrawPixel(x, y, color);
 }
 
+static void lcdWriteStreamStart(void) {
+	lld_lcdWriteStreamStart();
+}
+
+static void lcdWriteStreamStop(void) {
+	lld_lcdWriteStreamStop();
+}
+
 static void lcdWriteStream(uint16_t *buffer, uint16_t size) {
 	lld_lcdWriteStream(buffer, size);
 }
diff --git a/glcdconf.h b/glcdconf.h
index d8a15e06..657ee32d 100644
--- a/glcdconf.h
+++ b/glcdconf.h
@@ -4,11 +4,18 @@
 
 /***** LCD CONTROLLER *****/
 #define LCD_USE_SSD1289
-//#define LCD_USE_S6D1121
+// #define LCD_USE_S6D1121
+
+
+/***** LCD INTERFACE *****/
+#define LCD_USE_GPIO
+// #define LCD_USE_SPI
+// #define LCD_USE_FSMC
 
 
 /***** TOUCHPAD CONTROLLER *****/
-//#define TOUCHPAD_USE_ADS7843
+// #define TOUCHPAD_USE_ADS7843
 #define TOUCHPAD_USE_XPT2046
 
+
 #endif