CRTI_Progs
/
C12832
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Fork of
C12832
by 
Chris Styles
Diff: C12832_lcd.cpp
- Revision:
- 1:66dd8afbfd06
- Parent:
- 0:4bbc531be6e2
- Child:
- 2:bdc53502af17
--- a/C12832_lcd.cpp Tue Oct 16 14:05:57 2012 +0000
+++ b/C12832_lcd.cpp Tue Oct 16 17:50:37 2012 +0000
@@ -44,7 +44,7 @@
}
-void C12832_LCD::set_orientation(unsigned int o)
+/*void C12832_LCD::set_orientation(unsigned int o)
{
orientation = o;
switch (o) {
@@ -67,6 +67,8 @@
}
}
+*/
+
void C12832_LCD::invert(unsigned int o)
{
if(o == 0) wr_cmd(0xA6);
@@ -76,10 +78,16 @@
void C12832_LCD::set_contrast(unsigned int o)
{
+ contrast = o;
wr_cmd(0x81); // set volume
wr_cmd(o & 0x2F);
}
+unsigned int C12832_LCD::get_contrast(void)
+{
+ return(contrast);
+}
+
// write command to lcd controller
@@ -130,7 +138,7 @@
wr_cmd(0x22); // voltage resistor ratio
wr_cmd(0x2F); // power on
- wr_cmd(0xA4); // LCD display ram
+ //wr_cmd(0xA4); // LCD display ram
wr_cmd(0x40); // start line = 0
wr_cmd(0xAF); // display ON