drivers/lcd: Add support for the ST7735 TFT controller.

include/nuttx/lcd/st7735.h

@@ -0,0 +1,72 @@
+/****************************************************************************
+ * include/nuttx/lcd/st7735.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you 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.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_NUTTX_ST7735_H
+#define __INCLUDE_NUTTX_ST7735_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdbool.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name:  st7735_initialize
+ *
+ * Description:
+ *   Initialize the ST7735 video hardware.  The initial state of the
+ *   LCD is fully initialized, display memory cleared, and the LCD ready
+ *   to use, but with the power setting at 0 (full off == sleep mode).
+ *
+ * Returned Value:
+ *
+ *   On success, this function returns a reference to the LCD object for
+ *   the specified LCD.  NULL is returned on any failure.
+ *
+ ****************************************************************************/
+
+FAR struct lcd_dev_s *st7735_lcdinitialize(FAR struct spi_dev_s *spi);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCLUDE_NUTTX_ST7735_H */