Shintaro Minamino / AQM0802A_LPC1768

Akizuki I2C 8x2 Character LCD AQM0802A driver class for LPC1768

Fork of AQM0802A by Tetsuya Hoshino

Files at this revision

API Documentation at this revision

Revision 5:92e827dc6b1f, committed 2014-09-29

Comitter:
mataro777
Date:
Mon Sep 29 17:56:02 2014 +0000
Parent:
4:5cc8d4df601d
Commit message:
It seems, the LPC1768 doesn't support the send byte array function?; ; ;

Changed in this revision

AQM0802A.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/AQM0802A.cpp	Sat Sep 06 01:29:25 2014 +0000
+++ b/AQM0802A.cpp	Mon Sep 29 17:56:02 2014 +0000
@@ -32,14 +32,31 @@
 }
 
 void AQM0802A::lcd_cmd(uint8_t dat) {
-    char buf[] = { 0, dat };
-    i2c->write(AQM0802A_ADDR, buf, sizeof(buf));
+    
+    i2c->start();
+    i2c->write(AQM0802A_ADDR);
+    i2c->write(0);
+    i2c->write(dat);
+    i2c->stop();
+
+    //LPC1768 doesn't support the send byte array function?
+    //char buf[] = { 0, dat };   
+    //i2c->write(AQM0802A_ADDR, buf, sizeof(buf));
+    
     wait_us(AQM0802A_CMD_WAIT);
 }
 
 void AQM0802A::lcd_data(char dat) {
-    char buf[] = { 0x40, dat };
-    i2c->write(AQM0802A_ADDR, buf, sizeof(buf));
+
+    i2c->start();
+    i2c->write(AQM0802A_ADDR);
+    i2c->write(0x40);
+    i2c->write(dat);
+    i2c->stop();
+
+    //LPC1768 doesn't support the send byte array function?
+    //char buf[] = { 0x40, dat };
+    //i2c->write(AQM0802A_ADDR, buf, sizeof(buf));
     wait_us(AQM0802A_CMD_WAIT);
 }