Merged in raiden00/nuttx_h7/sensors (pull request #863)

Add some I2C devices to nucleo-h743zi and a few small fixes

configs/nucleo-h743zi: add support for ssd1306

configs/nucleo-h743zi: add support for pca9635

configs/nucleo-h743zi: add support for i2ctools

include/nuttx/sensors/lsm6dsl.h: remove whitespaces

configs/stm32f103-minimum/src/stm32_ssd1306.c: cosmetics

Documentation/NuttxPortingGuide.html: vsyslog return none

drivers/syslog/README.txt: vsyslog return none

Approved-by: Gregory Nutt <gnutt@nuttx.org>

Documentation/NuttxPortingGuide.html

@@ -6470,7 +6470,7 @@ int kbd_decode(FAR struct lib_instream_s *stream, FAR struct kbd_getstate_s *sta
 <ul><pre>
 #include &lt;syslog.h&gt;
 int syslog(int priority, FAR const IPTR char *format, ...);
-int vsyslog(int priority, FAR const IPTR char *src, va_list ap);
+void vsyslog(int priority, FAR const IPTR char *src, va_list ap);
 </pre></ul>
 <p><b>Description:</b>
   <code>syslog()</code> generates a log message. The priority argument is formed by  ORing the facility and the level values (see <code>include/syslog.h</code>). The remaining arguments are a format, as in <code>printf()</code> and any arguments to the format.

configs/nucleo-h743zi/include/board.h

@@ -321,10 +321,16 @@
 #define GPIO_USART6_RX     GPIO_USART6_RX_2  /* PG9 */
 #define GPIO_USART6_TX     GPIO_USART6_TX_2  /* PG14 */
 
-/* I2C1 Use Nucleo I2C pins */
+/* I2C1 Use Nucleo I2C1 pins */
 
-#define GPIO_I2C1_SCL GPIO_I2C1_SCL_2 /* PB8 */
+#define GPIO_I2C1_SCL GPIO_I2C1_SCL_2 /* PB8 - D15 */
-#define GPIO_I2C1_SDA GPIO_I2C1_SDA_2 /* PB9 */
+#define GPIO_I2C1_SDA GPIO_I2C1_SDA_2 /* PB9 - D14 */
+
+/* I2C2 Use Nucleo I2C2 pins */
+
+#define GPIO_I2C2_SCL  GPIO_I2C2_SCL_2  /* PF1 - D69 */
+#define GPIO_I2C2_SDA  GPIO_I2C2_SDA_2  /* PF0 - D68 */
+#define GPIO_I2C2_SMBA GPIO_I2C2_SMBA_2 /* PF2 - D70 */
 
 /* SPI3 */
 

configs/nucleo-h743zi/nxlines_oled/defconfig

@@ -0,0 +1,76 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_ARCH_FPU is not set
+# CONFIG_EXAMPLES_NXLINES_DEFAULT_COLORS is not set
+# CONFIG_NSH_DISABLE_IFCONFIG is not set
+# CONFIG_NSH_DISABLE_PS is not set
+# CONFIG_NX_DISABLE_1BPP is not set
+# CONFIG_STANDARD_SERIAL is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="nucleo-h743zi"
+CONFIG_ARCH_BOARD_NUCLEO_H743ZI=y
+CONFIG_ARCH_CHIP_STM32H743ZI=y
+CONFIG_ARCH_CHIP_STM32H7=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARMV7M_DCACHE=y
+CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
+CONFIG_ARMV7M_DTCM=y
+CONFIG_ARMV7M_ICACHE=y
+CONFIG_BOARD_LOOPSPERMSEC=43103
+CONFIG_BUILTIN=y
+CONFIG_DEBUG_NOOPT=y
+CONFIG_DISABLE_POLL=y
+CONFIG_EXAMPLES_NXLINES=y
+CONFIG_EXAMPLES_NXLINES_BORDERWIDTH=1
+CONFIG_EXAMPLES_NXLINES_BPP=1
+CONFIG_EXAMPLES_NXLINES_LINECOLOR=0xff
+CONFIG_EXAMPLES_NXLINES_LINEWIDTH=1
+CONFIG_EXPERIMENTAL=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_INTELHEX_BINARY=y
+CONFIG_LCD=y
+CONFIG_LCD_MAXCONTRAST=255
+CONFIG_LCD_SH1106_OLED_132=y
+CONFIG_LCD_SSD1306_I2C=y
+CONFIG_MAX_TASKS=16
+CONFIG_MAX_WDOGPARMS=2
+CONFIG_MM_REGIONS=3
+CONFIG_MQ_MAXMSGSIZE=128
+CONFIG_NFILE_DESCRIPTORS=8
+CONFIG_NFILE_STREAMS=8
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_READLINE=y
+CONFIG_NX=y
+CONFIG_NXFONTS_DISABLE_1BPP=y
+CONFIG_NXFONT_MONO5X8=y
+CONFIG_NX_BLOCKING=y
+CONFIG_PREALLOC_MQ_MSGS=4
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_PREALLOC_WDOGS=4
+CONFIG_RAM_SIZE=245760
+CONFIG_RAM_START=0x20010000
+CONFIG_RAW_BINARY=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_START_DAY=6
+CONFIG_START_MONTH=12
+CONFIG_START_YEAR=2011
+CONFIG_STM32H7_I2C2=y
+CONFIG_STM32H7_USART3=y
+CONFIG_SYSLOG_NONE=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_SYSTEM_NSH_CXXINITIALIZE=y
+CONFIG_TASK_NAME_SIZE=0
+CONFIG_USART3_SERIAL_CONSOLE=y
+CONFIG_USER_ENTRYPOINT="nsh_main"
+CONFIG_WDOG_INTRESERVE=0

configs/nucleo-h743zi/src/Makefile

@@ -60,10 +60,22 @@ ifeq ($(CONFIG_SENSORS_LSM6DSL),y)
 CSRCS += stm32_lsm6dsl.c
 endif
 
+ifeq ($(CONFIG_SENSORS_LSM9DS1),y)
+CSRCS += stm32_lsm9ds1.c
+endif
+
 ifeq ($(CONFIG_SENSORS_LSM303AGR),y)
 CSRCS += stm32_lsm303agr.c
 endif
 
+ifeq ($(CONFIG_PCA9635PW),y)
+CSRCS += stm32_pca9635.c
+endif
+
+ifeq ($(CONFIG_LCD_SSD1306),y)
+CSRCS += stm32_ssd1306.c
+endif
+
 ifeq ($(CONFIG_LIB_BOARDCTL),y)
 CSRCS += stm32_appinitialize.c
 endif

configs/nucleo-h743zi/src/nucleo-h743zi.h

@@ -133,6 +133,19 @@
                             GPIO_OUTPUT_CLEAR | GPIO_PORTF | GPIO_PIN12)
 #define GPIO_NRF24L01_IRQ  (GPIO_INPUT | GPIO_FLOAT | GPIO_PORTD | GPIO_PIN15)
 
+/* LMS9DS1 configuration */
+
+#define LMS9DS1_I2CBUS 1
+
+/* PCA9635 configuration */
+
+#define PCA9635_I2CBUS  1
+#define PCA9635_I2CADDR 0x40
+
+/* Oled configuration */
+
+#define OLED_I2C_PORT   2
+
 /************************************************************************************
  * Public Functions
  ************************************************************************************/
@@ -225,4 +238,26 @@ int stm32_lsm303agr_initialize(char *devpath);
 int stm32_wlinitialize(void);
 #endif
 
+/*****************************************************************************
+ * Name: stm32_lsm9ds1_initialize
+ *
+ * Description:
+ *   Initialize I2C-based LSM9DS1.
+ ****************************************************************************/
+
+#ifdef CONFIG_SENSORS_LSM9DS1
+int stm32_lsm9ds1_initialize(char *devpath);
+#endif
+
+/****************************************************************************
+ * Name: stm32_pca9635_initialize
+ *
+ * Description:
+ *   Initialize I2C-based PCA9635PW LED driver.
+ ****************************************************************************/
+
+#ifdef CONFIG_PCA9635PW
+int stm32_pca9635_initialize(void);
+#endif
+
 #endif /* __CONFIGS_NUCLEO_H743ZI_SRC_NUCLEO_H743ZI_H */

configs/nucleo-h743zi/src/stm32_bringup.c

@@ -50,6 +50,68 @@
 #  include <nuttx/input/buttons.h>
 #endif
 
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_i2c_register
+ *
+ * Description:
+ *   Register one I2C drivers for the I2C tool.
+ *
+ ****************************************************************************/
+
+#if defined(CONFIG_I2C) && defined(CONFIG_SYSTEM_I2CTOOL)
+static void stm32_i2c_register(int bus)
+{
+  FAR struct i2c_master_s *i2c;
+  int ret;
+
+  i2c = stm32_i2cbus_initialize(bus);
+  if (i2c == NULL)
+    {
+      syslog(LOG_ERR, "ERROR: Failed to get I2C%d interface\n", bus);
+    }
+  else
+    {
+      ret = i2c_register(i2c, bus);
+      if (ret < 0)
+        {
+          syslog(LOG_ERR, "ERROR: Failed to register I2C%d driver: %d\n",
+                 bus, ret);
+          stm32_i2cbus_uninitialize(i2c);
+        }
+    }
+}
+#endif
+
+/****************************************************************************
+ * Name: stm32_i2ctool
+ *
+ * Description:
+ *   Register I2C drivers for the I2C tool.
+ *
+ ****************************************************************************/
+
+#if defined(CONFIG_I2C) && defined(CONFIG_SYSTEM_I2CTOOL)
+static void stm32_i2ctool(void)
+{
+#ifdef CONFIG_STM32H7_I2C1
+  stm32_i2c_register(1);
+#endif
+#ifdef CONFIG_STM32H7_I2C2
+  stm32_i2c_register(2);
+#endif
+#ifdef CONFIG_STM32H7_I2C3
+  stm32_i2c_register(3);
+#endif
+#ifdef CONFIG_STM32H7_I2C4
+  stm32_i2c_register(4);
+#endif
+}
+#endif
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -74,6 +136,10 @@ int stm32_bringup(void)
 
   UNUSED(ret);
 
+#if defined(CONFIG_I2C) && defined(CONFIG_SYSTEM_I2CTOOL)
+  stm32_i2ctool();
+#endif
+
 #ifdef CONFIG_FS_PROCFS
 #ifdef CONFIG_STM32_CCM_PROCFS
   /* Register the CCM procfs entry.  This must be done before the procfs is
@@ -122,6 +188,14 @@ int stm32_bringup(void)
     }
 #endif  /* CONFIG_SENSORS_LSM6DSL */
 
+#ifdef CONFIG_SENSORS_LSM9DS1
+  ret = stm32_lsm9ds1_initialize();
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: Failed to initialize LSM9DS1 driver: %d\n", ret);
+    }
+#endif  /* CONFIG_SENSORS_LSM6DSL */
+
 #ifdef CONFIG_SENSORS_LSM303AGR
   ret = stm32_lsm303agr_initialize("/dev/lsm303mag0");
   if (ret < 0)
@@ -130,6 +204,16 @@ int stm32_bringup(void)
     }
 #endif  /* CONFIG_SENSORS_LSM303AGR */
 
+#ifdef CONFIG_PCA9635PW
+  /* Initialize the PCA9635 chip */
+
+  ret = stm32_pca9635_initialize();
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: stm32_pca9635_initialize failed: %d\n", ret);
+    }
+#endif
+
 #ifdef CONFIG_WL_NRF24L01
   ret = stm32_wlinitialize();
   if (ret < 0)

configs/nucleo-h743zi/src/stm32_lsm6dsl.c

@@ -86,7 +86,7 @@ int stm32_lsm6dsl_initialize(char *devpath)
 
   sninfo("INFO: Initializing LMS6DSL accelero-gyro sensor over I2C%d\n", ret);
 
-  ret = lsm6dsl_sensor_register("/dev/lsm6dsl0", i2c, LSM6DSLACCEL_ADDR1);
+  ret = lsm6dsl_sensor_register(devpath, i2c, LSM6DSLACCEL_ADDR1);
   if (ret < 0)
     {
       snerr("ERROR: Failed to initialize LMS6DSL accelero-gyro driver %s\n", devpath);

configs/nucleo-h743zi/src/stm32_lsm9ds1.c

@@ -0,0 +1,114 @@
+/*****************************************************************************
+ * configs/nucleo-h743zi/src/stm32_lsm9ds1.c
+ *
+ *   Copyright (C) 2019 Greg Nutt. All rights reserved.
+ *   Author: Mateusz Szafoni <raiden00@railab.me>
+ *
+ * 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 <nuttx/arch.h>
+
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/board.h>
+#include "stm32.h"
+#include <nucleo-h743zi.h>
+#include <nuttx/sensors/lsm9ds1.h>
+
+/*****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#ifndef CONFIG_STM32H7_I2C1
+#  error "LSM9DS1 driver requires CONFIG_STM32H7_I2C1 to be enabled"
+#endif
+
+#define LSM9DS1MAG_DEVPATH "/dev/lsm9ds1mag0"
+#define LSM9DS1ACC_DEVPATH "/dev/lsm9ds1acc0"
+#define LSM9DS1GYR_DEVPATH "/dev/lsm9ds1gyr0"
+
+/*****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/*****************************************************************************
+ * Name: stm32_lsm9ds1_initialize
+ *
+ * Description:
+ *   Initialize I2C-based LSM9DS1.
+ ****************************************************************************/
+
+int stm32_lsm9ds1_initialize(void)
+{
+  FAR struct i2c_master_s *i2c;
+  int ret = OK;
+
+  sninfo("Initializing LMS9DS1!\n");
+
+#if defined(CONFIG_STM32H7_I2C1)
+  i2c = stm32_i2cbus_initialize(LMS9DS1_I2CBUS);
+  if (i2c == NULL)
+    {
+      return -ENODEV;
+    }
+
+  sninfo("INFO: Initializing LMS9DS1 9DoF sensor over I2C%d\n", LMS9DS1_I2CBUS);
+
+  ret = lsm9ds1mag_register(LSM9DS1MAG_DEVPATH, i2c, LSM9DS1MAG_ADDR1);
+  if (ret < 0)
+    {
+      snerr("ERROR: Failed to initialize LMS9DS1 mag driver %s\n", LSM9DS1MAG_DEVPATH);
+      return -ENODEV;
+    }
+
+  ret = lsm9ds1gyro_register(LSM9DS1GYR_DEVPATH, i2c, LSM9DS1GYRO_ADDR1);
+  if (ret < 0)
+    {
+      snerr("ERROR: Failed to initialize LMS9DS1 gyro driver %s\n", LSM9DS1MAG_DEVPATH);
+      return -ENODEV;
+    }
+
+  ret = lsm9ds1accel_register(LSM9DS1ACC_DEVPATH, i2c, LSM9DS1ACCEL_ADDR1);
+  if (ret < 0)
+    {
+      snerr("ERROR: Failed to initialize LMS9DS1 accel driver %s\n", LSM9DS1MAG_DEVPATH);
+      return -ENODEV;
+    }
+
+  sninfo("INFO: LMS9DS1 sensor has been initialized successfully\n");
+#endif
+
+  return ret;
+}

configs/nucleo-h743zi/src/stm32_pca9635.c

@@ -0,0 +1,98 @@
+/************************************************************************************
+ * configs/nucleo-h743zi/src/stm32_pca9635.c
+ *
+ *   Copyright (C) 2019 Gregory Nutt. All rights reserved.
+ *   Author: Mateusz Szafoni <raiden00@railab.me>
+ *
+ * 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 <stdbool.h>
+#include <stdio.h>
+#include <debug.h>
+#include <errno.h>
+
+#include <nuttx/i2c/i2c_master.h>
+#include <nuttx/leds/pca9635pw.h>
+
+#include <arch/irq.h>
+
+#include "stm32.h"
+#include "nucleo-h743zi.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_pca9635_initialize
+ *
+ * Description:
+ *   This function is called by board initialization logic to configure the
+ *   LED PWM chip.  This function will register the driver as /dev/leddrv0.
+ *
+ * Input Parameters:
+ *   None
+ *
+ * Returned Value:
+ *   Zero is returned on success.  Otherwise, a negated errno value is
+ *   returned to indicate the nature of the failure.
+ *
+ ****************************************************************************/
+
+int stm32_pca9635_initialize(void)
+{
+
+  FAR struct i2c_master_s *i2c;
+  int ret;
+
+  /* Get the I2C driver that interfaces with the pca9635 */
+
+  i2c = stm32_i2cbus_initialize(PCA9635_I2CBUS);
+  if (!i2c)
+    {
+      _err("ERROR: Failed to initialize I2C%d\n", PCA9635_I2CBUS);
+      return -1;
+    }
+
+  ret = pca9635pw_register("/dev/leddrv0", i2c, PCA9635_I2CADDR);
+  if (ret < 0)
+    {
+      snerr("ERROR: Failed to register PCA9635 driver: %d\n", ret);
+     return ret;
+    }
+
+  return OK;
+}

configs/nucleo-h743zi/src/stm32_ssd1306.c

@@ -0,0 +1,123 @@
+/****************************************************************************
+ * config/nucleo-h743zi/src/stm32_ssd1306.c
+ *
+ *   Copyright (C) 2019 Gregory Nutt. All rights reserved.
+ *   Author: Mateusz Szafoni <raiden00@railab.me>
+ *
+ * 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 "nucleo-h743zi.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+/* Configuration ************************************************************/
+
+#ifndef CONFIG_LCD_MAXPOWER
+#  define CONFIG_LCD_MAXPOWER 1
+#endif
+
+/****************************************************************************
+ * 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 -ENODEV;
+    }
+
+  return OK;
+}
+
+/****************************************************************************
+ * 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 I2C 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 */
+}

configs/stm32f103-minimum/src/stm32_ssd1306.c

@@ -1,5 +1,5 @@
 /****************************************************************************
- * config/stm32f103-minimum/src/sam_ug2832hsweg04.c
+   * config/stm32f103-minimum/src/stm32_ssd1306.c
  *
  *   Copyright (C) 2014 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <gnutt@nuttx.org>
@@ -105,7 +105,7 @@ FAR struct lcd_dev_s *board_lcd_getdev(int devno)
   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);
+      lcderr("ERROR: Failed to bind I2C port 1 to OLED %d: %d\n", devno);
     }
   else
     {

drivers/syslog/README.txt

@@ -16,7 +16,7 @@ SYSLOG Interfaces
   Prototypes:
 
     int syslog(int priority, FAR const IPTR char *format, ...);
-    int vsyslog(int priority, FAR const IPTR char *src, va_list ap);
+    void vsyslog(int priority, FAR const IPTR char *src, va_list ap);
 
   Description: