Made things work

1 files changed, 61 insertions, 0 deletions

diff --git a/lcd.c b/lcd.c
new file mode 100755
index 0000000..3405782
--- /dev/null
+++ b/lcd.c
@@ -0,0 +1,61 @@
+#include "board.h"

+#include "delay.h"

+#include "lcd.h"

+

+static void lcdPulseE(void);

+static void lcdSetDAT(uint8_t value);

+static void lcdSendCommand(uint8_t command);

+static void lcdSendData(uint8_t data);

+

+void lcdInit(void)

+{

+    // Give time for LCD to prepare itself

+    delay(100);

+    lcdSendCommand(0x38);

+    lcdSendCommand(0x10);

+    lcdSendCommand(0x0D);

+    delay(5);

+    lcdClear();

+}

+

+void lcdClear(void)

+{

+    lcdSendCommand(0x01);

+    delay(2);

+}

+

+void lcdPuts(const char *s)

+{

+	lcdSendCommand(0x06);

+	while (*s != '\0')

+		lcdSendData(*s++);

+}

+

+void lcdPulseE(void)

+{

+    P2OUT |= LCD_E;

+    delay(2);

+    P2OUT &= ~(LCD_E);

+}

+

+void lcdSetDAT(uint8_t value)

+{

+    P2OUT &= ~(LCD_DATH);

+    P2OUT |= (value >> 4) & LCD_DATH;

+    P1OUT &= ~(LCD_DATL);

+    P1OUT |= value & LCD_DATL;

+}

+

+void lcdSendCommand(uint8_t command)

+{

+    P1OUT &= ~(LCD_RS);

+    lcdSetDAT(command);

+    lcdPulseE();

+}

+

+void lcdSendData(uint8_t data)

+{

+    P1OUT |= LCD_RS;

+    lcdSetDAT(data);

+    lcdPulseE();

+}