configs/stm32f103-minimum: Add OLED SSD1306 support to STM332F103-Minimum

configs/stm32f103-minimum/include/board.h

@@ -46,12 +46,6 @@
 #  include <stdint.h>
 #endif
 
-#ifdef __KERNEL__
-#  include "stm32_rcc.h"
-#  include "stm32_sdio.h"
-#  include "stm32.h"
-#endif
-
 /************************************************************************************
  * Pre-processor Definitions
  ************************************************************************************/

configs/stm32f103-minimum/src/Makefile

@@ -123,6 +123,10 @@ ifeq ($(CONFIG_INPUT_NUNCHUCK),y)
   CSRCS += stm32_nunchuck.c
 endif
 
+ifeq ($(CONFIG_LCD_SSD1306_I2C),y)
+CSRCS += stm32_ssd1306.c
+endif
+
 ifeq ($(CONFIG_LCD_ST7567),y)
   CSRCS += stm32_lcd.c
 endif

configs/stm32f103-minimum/src/stm32_ssd1306.c

@@ -0,0 +1,135 @@
+/****************************************************************************
+ * config/stm32f103-minimum/src/sam_ug2832hsweg04.c
+ *
+ *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <debug.h>
+
+#include <nuttx/board.h>
+#include <nuttx/lcd/lcd.h>
+#include <nuttx/lcd/ssd1306.h>
+#include <nuttx/i2c/i2c_master.h>
+
+#include "stm32.h"
+#include "stm32_i2c.h"
+#include "stm32f103_minimum.h"
+
+#ifdef CONFIG_NX_LCDDRIVER
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+/* Configuration ************************************************************/
+
+#ifndef CONFIG_LCD_SSD1306
+#  error "The OLED driver requires CONFIG_LCD_SSD1306 in the configuration"
+#endif
+
+#ifndef CONFIG_LCD_MAXPOWER
+#  define CONFIG_LCD_MAXPOWER 1
+#endif
+
+#define OLED_I2C_PORT         1 /* OLED display connected to I2C1 */
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+FAR struct i2c_master_s *g_i2c;
+FAR struct lcd_dev_s    *g_lcddev;
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_lcd_initialize
+ ****************************************************************************/
+
+int board_lcd_initialize(void)
+{
+  /* Initialize I2C */
+
+  g_i2c = stm32_i2cbus_initialize(OLED_I2C_PORT);
+  if (!g_i2c)
+    {
+      lcderr("ERROR: Failed to initialize I2C port %d\n", OLED_I2C_PORT);
+      return 0;
+    }
+
+  return 1;
+}
+
+/****************************************************************************
+ * Name: board_lcd_getdev
+ ****************************************************************************/
+
+FAR struct lcd_dev_s *board_lcd_getdev(int devno)
+{
+  /* Bind the I2C port to the OLED */
+
+  g_lcddev = ssd1306_initialize(g_i2c, NULL, devno);
+  if (!g_lcddev)
+    {
+      lcderr("ERROR: Failed to bind SPI port 1 to OLED %d: %d\n", devno);
+    }
+  else
+    {
+      lcdinfo("Bound I2C port %d to OLED %d\n", OLED_I2C_PORT, devno);
+
+      /* And turn the OLED on */
+
+      (void)g_lcddev->setpower(g_lcddev, CONFIG_LCD_MAXPOWER);
+      return g_lcddev;
+    }
+
+  return NULL;
+}
+
+/****************************************************************************
+ * Name: board_lcd_uninitialize
+ ****************************************************************************/
+
+void board_lcd_uninitialize(void)
+{
+  /* TO-FIX */
+}
+
+#endif /* CONFIG_NX_LCDDRIVER */
+