added ssd1289_lld

2 files changed, 73 insertions, 0 deletions

diff --git a/drivers/ssd1289_lld.c b/drivers/ssd1289_lld.c
index e69de29b..e6ec0485 100644
--- a/drivers/ssd1289_lld.c
+++ b/drivers/ssd1289_lld.c
@@ -0,0 +1,58 @@
+#include "ssd1289_lld.h"
+
+#ifdef LCD_USE_SSD1289
+
+extern uint16_t lcd_width, lcd_height;
+
+void lld_lcdWriteIndex(uint16_t index) {
+    Clr_RS;
+    Set_RD;
+  
+    palWritePort(LCD_DATA_PORT, index);
+
+    Clr_WR;
+    Set_WR;
+}
+
+void lld_lcdWriteData(uint16_t data) {
+	Set_RS;
+
+	palWritePort(LCD_DATA_PORT, data);
+
+	Clr_WR;
+	Set_WR;
+}
+
+uint16_t lld_lcdReadData(void) {
+	uint16_t value;
+
+	Set_RS;
+	Set_WR;
+	Clr_RD;
+
+	// change pin mode to digital input
+	LCD_DATA_PORT->CRH = 0x44444444;
+	LCD_DATA_PORT->CRL = 0x44444444;
+
+    value = palReadPort(LCD_DATA_PORT); // dummy
+    value = palReadPort(LCD_DATA_PORT); 
+
+    // change pin mode back to digital output
+    LCD_DATA_PORT->CRH = 0x33333333;
+    LCD_DATA_PORT->CRL = 0x33333333;
+
+    Set_RD;
+
+	return value;
+}
+
+uint16_t lld_lcdGetHeight(void) {
+	return lcd_height;
+}
+
+uint16_t lld_lcdGetWidth(void) {
+	return lcd_width;
+}
+
+#endif
+
diff --git a/drivers/ssd1289_lld.h b/drivers/ssd1289_lld.h
index e69de29b..837d0496 100644
--- a/drivers/ssd1289_lld.h
+++ b/drivers/ssd1289_lld.h
@@ -0,0 +1,15 @@
+#ifndef SSD1289_H
+#define SSD1289_H
+
+#include "glcd.h"
+
+#ifndef LCD_USE_SSD1289
+
+void lld_lcdWriteIndex(uint16_t index);
+void lld_lcdWriteData(uint16_t data);
+void lld_lcdWriteData(uint16_t data);
+uint16_t lld_lcdGetHeight(void);
+uint16_t lld_lcdGetWidth(void);
+
+#endif
+#endif