Diff: SharpLCD.cpp

Revision:

0:62d7cfac67ca

diff -r 000000000000 -r 62d7cfac67ca SharpLCD.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SharpLCD.cpp	Wed Jul 23 10:40:35 2014 +0000
@@ -0,0 +1,58 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "SharpLCD.hpp"
+
+void
+SharpLCD::writeBuffer(const uint8_t *buffer, unsigned len)
+{
+    chipSelect = 1;
+    while (len--) {
+        spi.write(*buffer++);
+    }
+    chipSelect = 0;
+}
+
+void
+SharpLCD::clear(void)
+{
+    const uint8_t buf[2] = {M2_FLAG, DUMMY8};
+
+    writeBuffer(buf, sizeof(buf));
+}
+
+void
+SharpLCD::drawFrameBuffer(const FrameBuffer &fb)
+{
+    writeBuffer(fb.getBuffer(), SIZEOF_FRAMEBUFFER_FOR_ALLOC);
+}
+
+void
+SharpLCD::toggleVCOM(void)
+{
+    static bool frameInversion = false;
+    uint8_t buf[2] = {0, DUMMY8};
+
+    uint8_t mode = 0x0;
+    if (frameInversion) {
+        mode |= M1_FLAG;
+    }
+    frameInversion = !frameInversion; /* toggle frameInversion in
+                                       * preparation for the next call */
+
+    buf[0] = mode;
+    writeBuffer(buf, sizeof(buf));
+}