From f4aa4f7844b41a652fa172943a751615e02980de Mon Sep 17 00:00:00 2001
From: Pim van Pelt <pim@ipng.nl>
Date: Sat, 21 Apr 2018 17:55:37 +0200
Subject: [PATCH] Add empty MPL3115 driver

---
 include/mgos_barometer.h     |  3 ++-
 src/mgos_barometer.c         |  5 +++++
 src/mgos_barometer_mpl3115.c | 21 +++++++++++++++++++++
 src/mgos_barometer_mpl3115.h | 13 +++++++++++++
 4 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 src/mgos_barometer_mpl3115.c

diff --git a/include/mgos_barometer.h b/include/mgos_barometer.h
index 44eab77..868fb59 100644
--- a/include/mgos_barometer.h
+++ b/include/mgos_barometer.h
@@ -25,7 +25,8 @@ extern "C" {
 
 enum mgos_barometer_type {
   BARO_NONE = 0,
-  BARO_MPL115
+  BARO_MPL115,
+  BARO_MPL3115
 };
 
 struct mgos_barometer;
diff --git a/src/mgos_barometer.c b/src/mgos_barometer.c
index 4958768..4eab53b 100644
--- a/src/mgos_barometer.c
+++ b/src/mgos_barometer.c
@@ -43,6 +43,11 @@ struct mgos_barometer *mgos_barometer_create_i2c(struct mgos_i2c *i2c, uint8_t i
       sensor->read = mgos_barometer_mpl115_read;
       sensor->destroy = mgos_barometer_mpl115_destroy;
       break;
+    case BARO_MPL3115:
+      sensor->detect = mgos_barometer_mpl3115_detect;
+      sensor->create = mgos_barometer_mpl3115_create;
+      sensor->read = mgos_barometer_mpl3115_read;
+      sensor->destroy = mgos_barometer_mpl3115_destroy;
     default:
       LOG(LL_ERROR, ("Unknown mgos_barometer_type %d", type));
       free(sensor);
diff --git a/src/mgos_barometer_mpl3115.c b/src/mgos_barometer_mpl3115.c
new file mode 100644
index 0000000..d0377c8
--- /dev/null
+++ b/src/mgos_barometer_mpl3115.c
@@ -0,0 +1,21 @@
+#include "mgos_barometer_mpl115.h"
+#include "mgos_i2c.h"
+
+// Datasheet:
+// https://cdn-shop.adafruit.com/datasheets/1893_datasheet.pdf
+
+bool mgos_barometer_mpl3115_detect(struct mgos_barometer *dev) {
+  return false;
+}
+
+bool mgos_barometer_mpl3115_create(struct mgos_barometer *dev) {
+  return false;
+}
+
+bool mgos_barometer_mpl3115_destroy(struct mgos_barometer *dev){
+  return false;
+}
+
+bool mgos_barometer_mpl3115_read(struct mgos_barometer *dev) {
+  return false;
+}
diff --git a/src/mgos_barometer_mpl3115.h b/src/mgos_barometer_mpl3115.h
index e69de29..61a28b0 100644
--- a/src/mgos_barometer_mpl3115.h
+++ b/src/mgos_barometer_mpl3115.h
@@ -0,0 +1,13 @@
+#pragma once
+
+#include "mgos.h"
+#include "mgos_barometer_internal.h"
+
+struct mgos_barometer_mpl3115_data {
+  float a0, b1, b2, c12;
+};
+
+bool mgos_barometer_mpl3115_detect(struct mgos_barometer *dev);
+bool mgos_barometer_mpl3115_create(struct mgos_barometer *dev);
+bool mgos_barometer_mpl3115_destroy(struct mgos_barometer *dev);
+bool mgos_barometer_mpl3115_read(struct mgos_barometer *dev);