Diff: uLCD_4DGL_Media.cpp

Revision:

1:932d76a5b290

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uLCD_4DGL_Media.cpp	Tue Oct 21 16:12:49 2014 +0000
@@ -0,0 +1,177 @@
+//
+// uLCD_4DGL is a class to drive 4D Systems LCD screens
+//
+// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
+// Modifed for Goldelox processor <2013> Jim Hamblen
+//
+// uLCD_4DGL is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// uLCD_4DGL is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with uLCD_4DGL.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "mbed.h"
+#include "uLCD_4DGL.h"
+
+
+//Media Commands
+
+//******************************************************************************************************
+int uLCD_4DGL :: media_init()
+{
+    int resp = 0;
+    char command[1] = "";
+    command[0] = MINIT;
+    writeCOMMAND(command, 1);
+    while (!_cmd.readable()) wait_ms(TEMPO);              // wait for screen answer
+    if (_cmd.readable()) {
+        resp = _cmd.getc();           // read response
+        resp = resp << 8 + _cmd.getc();
+    }
+    return resp;
+}
+
+//******************************************************************************************************
+void uLCD_4DGL :: set_byte_address(int hi, int lo)
+{
+    char command[5]= "";
+    command[0] = SBADDRESS;
+
+    command[1] = (hi >> 8) & 0xFF;
+    command[2] = hi & 0xFF;
+
+    command[3] = (lo >> 8) & 0xFF;
+    command[4] = lo & 0xFF;
+    writeCOMMAND(command, 5);
+}
+
+//******************************************************************************************************
+void uLCD_4DGL :: set_sector_address(int hi, int lo)
+{
+
+    char command[5]= "";
+    command[0] = SSADDRESS;
+
+    command[1] = (hi >> 8) & 0xFF;
+    command[2] = hi & 0xFF;
+
+    command[3] = (lo >> 8) & 0xFF;
+    command[4] = lo & 0xFF;
+    writeCOMMAND(command, 5);
+}
+
+//******************************************************************************************************
+char uLCD_4DGL :: read_byte()
+{
+    char resp = 0;
+    char command[1] = "";
+    command[0] = READBYTE;
+    writeCOMMAND(command, 1);
+    while (!_cmd.readable()) wait_ms(TEMPO);              // wait for screen answer
+    if (_cmd.readable()) {
+        resp = _cmd.getc();           // read response
+        resp = _cmd.getc();
+    }
+    return resp;
+}
+
+//******************************************************************************************************
+int  uLCD_4DGL :: read_word()
+{
+    int resp=0;
+    char command[1] = "";
+    command[0] = READWORD;
+    writeCOMMAND(command, 1);
+    while (!_cmd.readable()) wait_ms(TEMPO);              // wait for screen answer
+    if (_cmd.readable()) {
+        resp = _cmd.getc();           // read response
+        resp = resp << 8 + _cmd.getc();
+    }
+    return resp;
+}
+
+//******************************************************************************************************
+void uLCD_4DGL :: write_byte(int value)
+{
+    char command[3]= "";
+
+    command[0] = WRITEBYTE;
+
+    command[1] = (value >> 8) & 0xFF;
+    command[2] = value & 0xFF;
+    writeCOMMAND(command,3);
+}
+
+//******************************************************************************************************
+void uLCD_4DGL :: write_word(int value)
+{
+    char command[3]= "";
+
+    command[0] = WRITEWORD;
+
+    command[1] = (value >> 8) & 0xFF;
+    command[2] = value & 0xFF;
+    writeCOMMAND(command,3);
+}
+
+//******************************************************************************************************
+void uLCD_4DGL :: flush_media()
+{
+    char command[1] = "";
+    command[0] = FLUSHMEDIA;
+    writeCOMMAND(command, 1);
+}
+
+//******************************************************************************************************
+void uLCD_4DGL :: display_image(int x, int y)
+{
+    char command[6]= "";
+    command[0] = DISPLAYIMAGE;
+
+    command[1] = (x >> 8) & 0xFF;
+    command[2] = x & 0xFF;
+
+    command[3] = (y >> 8) & 0xFF;
+    command[4] = y & 0xFF;
+    writeCOMMAND(command, 5);
+}
+
+//******************************************************************************************************
+void uLCD_4DGL :: display_video(int x, int y)
+{
+    char command[5]= "";
+    command[0] = DISPLAYVIDEO;
+
+    command[1] = (x >> 8) & 0xFF;
+    command[2] = x & 0xFF;
+
+    command[3] = (y >> 8) & 0xFF;
+    command[4] = y & 0xFF;
+    writeCOMMAND(command, 5);
+}
+
+//******************************************************************************************************
+void uLCD_4DGL :: display_frame(int x, int y, int w)
+{
+    char command[7]= "";
+
+    command[0] = DISPLAYFRAME;
+
+    command[1] = (x >> 8) & 0xFF;
+    command[2] = x & 0xFF;
+
+    command[3] = (y >> 8) & 0xFF;
+    command[4] = y & 0xFF;
+
+    command[5] = (w >> 8) & 0xFF;
+    command[6] = w & 0xFF;
+    writeCOMMAND(command,7);
+}
+