Code complete for p14201 driver

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2667 42af7a65-404d-4744-a932-0658087f49c3
2026-06-07 09:18:00 +08:00 · 2010-05-13 01:40:10 +00:00
parent 9b75e76094
commit a8999e8697
3 changed files with 327 additions and 67 deletions
@@ -0,0 +1,139 @@
+/****************************************************************************
+ * include/nuttx/p14201.h
+ *
+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_NUTTX_P14201_H
+#define __INCLUDE_NUTTX_P14201_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdbool.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* P14201 Configuration Settings:
+ *
+ * CONFIG_LCD_P14201 - Enable P14201 support
+ * CONFIG_P14201_OWNBUS - Set if the P14201 is the only active device on the SPI bus.
+ *   No locking or SPI configuration will be performed. All transfers will be performed
+ *   from the ENC2J60 interrupt handler.
+ * CONFIG_P14201_SPIMODE - Controls the SPI mode
+ * CONFIG_P14201_FREQUENCY - Define to use a different bus frequency
+ * CONFIG_P14201_NINTERFACES - Specifies the number of physical P14201 devices that
+ *   will be supported.
+ *
+ * Required LCD driver settings:
+ * CONFIG_LCD_MAXCONTRAST should be 255, but any value >0 and <=255 will be accepted.
+ * CONFIG_LCD_MAXPOWER must be 1
+ */
+
+/* Some important "colors" */
+
+#define RIT_Y4_BLACK 0x00
+#define RIT_Y4_WHITE 0x0f
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/**************************************************************************************
+ * Name:  rit_initialize
+ *
+ * Description:
+ *   Initialize the P14201 video hardware.  The initial state of the OLED is fully
+ *   initialized, display memory cleared, and the OLED ready to use, but with the power
+ *   setting at 0 (full off == sleep mode).
+ *
+ * Input Parameters:
+ *
+ *   spi - A reference to the SPI driver instance.
+ *   devno - A value in the range of 0 throuh CONFIG_P14201_NINTERFACES-1.  This allows
+ *   support for multiple OLED devices.
+ *
+ * Returned Value:
+ *
+ *   On success, this function returns a reference to the LCD object for the specified
+ *   OLED.  NULL is returned on any failure.
+ *
+ **************************************************************************************/
+
+struct lcd_dev_s; /* see nuttx/lcd.h */
+struct spi_dev_s; /* see nuttx/spi.h */
+EXTERN FAR struct lcd_dev_s *rit_initialize(FAR struct spi_dev_s *spi, unsigned int devno);
+
+/**************************************************************************************
+ * Name:  rit_seldata
+ *
+ * Description:
+ *   Set or clear the SD1329 D/Cn bit to select data (true) or command (false).  This
+ *   function must be provided by platform-specific logic.
+ *
+ * Input Parameters:
+ *
+ *   devno - A value in the range of 0 throuh CONFIG_P14201_NINTERFACES-1.  This allows
+ *   support for multiple OLED devices.
+ *   data - true: select data; false: select command
+ *
+ * Returned Value:
+ *   None
+ *
+ **************************************************************************************/
+
+EXTERN void rit_seldata(unsigned int devno, bool data);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCLUDE_NUTTX_P14201_H */