esp32-devkitc: Add support to MS5611

boards/xtensa/esp32/common/include/esp32_ms5611.h

@@ -0,0 +1,68 @@
+/****************************************************************************
+ * boards/xtensa/esp32/common/include/esp32_ms5611.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 __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_MS5611_H
+#define __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_MS5611_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_ms5611_initialize
+ *
+ * Description:
+ *   Initialize and register the MS5611 Pressure Sensor driver.
+ *
+ * Input Parameters:
+ *   devno - The device number, used to build the device path as /dev/pressN
+ *   busno - The I2C bus number
+ *
+ * Returned Value:
+ *   Zero (OK) on success; a negated errno value on failure.
+ *
+ ****************************************************************************/
+
+int board_ms5611_initialize(int devno, int busno);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_MS5611_H */

boards/xtensa/esp32/common/src/Make.defs

@@ -54,6 +54,10 @@ ifeq ($(CONFIG_SENSORS_SHT3X),y)
   CSRCS += esp32_sht3x.c
 endif
 
+ifeq ($(CONFIG_SENSORS_MS5611),y)
+  CSRCS += esp32_ms5611.c
+endif
+
 ifeq ($(CONFIG_LCD_HT16K33),y)
   CSRCS += esp32_ht16k33.c
 endif

boards/xtensa/esp32/common/src/esp32_ms5611.c

@@ -0,0 +1,87 @@
+/****************************************************************************
+ * boards/xtensa/esp32/common/src/esp32_ms5611.c
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdio.h>
+#include <debug.h>
+
+#include <nuttx/arch.h>
+#include <nuttx/sensors/ms5611.h>
+#include <nuttx/i2c/i2c_master.h>
+
+#include "esp32_board_i2c.h"
+#include "esp32_i2c.h"
+#include "esp32_ms5611.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_ms5611_initialize
+ *
+ * Description:
+ *   Initialize and register the MS5611 Pressure Sensor driver.
+ *
+ * Input Parameters:
+ *   devno - The device number, used to build the device path as /dev/pressN
+ *   busno - The I2C bus number
+ *
+ * Returned Value:
+ *   Zero (OK) on success; a negated errno value on failure.
+ *
+ ****************************************************************************/
+
+int board_ms5611_initialize(int devno, int busno)
+{
+  struct i2c_master_s *i2c;
+  char devpath[12];
+  int ret;
+
+  sninfo("Initializing MS5611!\n");
+
+  /* Initialize MS5611 */
+
+  i2c = esp32_i2cbus_initialize(busno);
+  if (i2c != NULL)
+    {
+      /* Then try to register the barometer sensor in I2C0 */
+
+      snprintf(devpath, sizeof(devpath), "/dev/press%d", devno);
+
+      ret = ms5611_register(i2c, devno, MS5611_ADDR0);
+      if (ret < 0)
+        {
+          snerr("ERROR: Error registering MS5611 in I2C%d\n", busno);
+        }
+    }
+  else
+    {
+      ret = -ENODEV;
+    }
+
+  return ret;
+}
+

boards/xtensa/esp32/esp32-devkitc/configs/ms5611/defconfig

@@ -0,0 +1,64 @@
+#
+# 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_LEDS is not set
+# CONFIG_NSH_ARGCAT is not set
+# CONFIG_NSH_CMDOPT_HEXDUMP is not set
+# CONFIG_NSH_CMDPARMS is not set
+CONFIG_ARCH="xtensa"
+CONFIG_ARCH_BOARD="esp32-devkitc"
+CONFIG_ARCH_BOARD_ESP32_DEVKITC=y
+CONFIG_ARCH_CHIP="esp32"
+CONFIG_ARCH_CHIP_ESP32=y
+CONFIG_ARCH_CHIP_ESP32WROVER=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARCH_XTENSA=y
+CONFIG_BOARD_LOOPSPERMSEC=16717
+CONFIG_BUILTIN=y
+CONFIG_DEBUG_ERROR=y
+CONFIG_DEBUG_FEATURES=y
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_SENSORS=y
+CONFIG_DEBUG_SENSORS_ERROR=y
+CONFIG_DEBUG_SENSORS_WARN=y
+CONFIG_DEBUG_WARN=y
+CONFIG_ESP32_GPIO_IRQ=y
+CONFIG_ESP32_I2C0=y
+CONFIG_ESP32_I2C0_SDAPIN=21
+CONFIG_ESP32_UART0=y
+CONFIG_FS_PROCFS=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_I2CTOOL_DEFFREQ=100000
+CONFIG_IDLETHREAD_STACKSIZE=3072
+CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INTELHEX_BINARY=y
+CONFIG_LIBC_FLOATINGPOINT=y
+CONFIG_MM_REGIONS=3
+CONFIG_MS5611_I2C_FREQUENCY=100000
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_READLINE=y
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAM_SIZE=114688
+CONFIG_RAM_START=0x20000000
+CONFIG_RAW_BINARY=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDCLONE_DISABLE=y
+CONFIG_SENSORS=y
+CONFIG_SENSORS_MS5611=y
+CONFIG_START_DAY=6
+CONFIG_START_MONTH=12
+CONFIG_START_YEAR=2011
+CONFIG_SYSTEM_I2CTOOL=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_TESTING_SENSORTEST=y
+CONFIG_TESTING_SENSORTEST_PROGNAME="sensor"
+CONFIG_UART0_SERIAL_CONSOLE=y

boards/xtensa/esp32/esp32-devkitc/src/esp32_bringup.c

@@ -89,6 +89,10 @@
 #  include "esp32_sht3x.h"
 #endif
 
+#ifdef CONFIG_SENSORS_MS5611
+#  include "esp32_ms5611.h"
+#endif
+
 #ifdef CONFIG_LCD_HT16K33
 #  include "esp32_ht16k33.h"
 #endif
@@ -409,6 +413,18 @@ int esp32_bringup(void)
     }
 #endif
 
+#ifdef CONFIG_SENSORS_MS5611
+  /* Try to register MS5611 device in I2C0 as device 0: I2C addr 0x77 */
+
+  ret = board_ms5611_initialize(0, 0);
+
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "Failed to initialize MS5611 driver: %d\n", ret);
+      return ret;
+    }
+#endif
+
 #ifdef CONFIG_LCD_HT16K33
   /* Try to register HT16K33 in the I2C0 */