From 7e5f6e985654f04a6dcab7f60d0ac7712b4d5c9a Mon Sep 17 00:00:00 2001
From: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
Date: Mon, 10 Apr 2017 18:37:08 -0700
Subject: [PATCH] max31723: added bus parameter to constructor

Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
---
 docs/apichanges.md        | 3 +++
 examples/c++/max31723.cxx | 2 +-
 src/max31723/max31723.cxx | 2 +-
 src/max31723/max31723.hpp | 4 ++--
 4 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/docs/apichanges.md b/docs/apichanges.md
index c7bb46e8..af4fbc36 100644
--- a/docs/apichanges.md
+++ b/docs/apichanges.md
@@ -156,6 +156,9 @@ compatibility between releases:
  a SPI bus number. This is now the first parameter, the number of LEDs on the
  strip is now the last (3rd) parameter instead.
 
+ * **max31723** The constructor for this driver was updated to allow specifying
+ a SPI bus number. This is now the first parameter, CS pin second.
+
 # v1.1.0
 
  * **i2clcd/jhd1313m1/lcm1602** LCD devices supported by the i2clcd module are
diff --git a/examples/c++/max31723.cxx b/examples/c++/max31723.cxx
index 4b983108..fe798c82 100644
--- a/examples/c++/max31723.cxx
+++ b/examples/c++/max31723.cxx
@@ -44,7 +44,7 @@ int
 main(int argc, char **argv)
 {
     //! [Interesting]
-    sensor = new upm::MAX31723(7);
+    sensor = new upm::MAX31723(0, 7);
     usleep (1000000);
 
     while (!doWork) {
diff --git a/src/max31723/max31723.cxx b/src/max31723/max31723.cxx
index f78caa96..042627ab 100644
--- a/src/max31723/max31723.cxx
+++ b/src/max31723/max31723.cxx
@@ -31,7 +31,7 @@
 
 using namespace upm;
 
-MAX31723::MAX31723 (int csn) : m_spi(0), m_csnPinCtx(csn) {
+MAX31723::MAX31723 (int bus, int csn) : m_spi(bus), m_csnPinCtx(csn) {
     mraa::Result error = mraa::SUCCESS;
     m_name = "MAX31723";
 
diff --git a/src/max31723/max31723.hpp b/src/max31723/max31723.hpp
index b942eed1..b6731677 100644
--- a/src/max31723/max31723.hpp
+++ b/src/max31723/max31723.hpp
@@ -72,10 +72,10 @@ class MAX31723 {
         /**
          * Instantiates an MAX31723 object
          *
-         * @param bus Number of the used bus
+         * @param bus Number of the SPI bus used
          * @param csn Chip select (slave select) pin to use
          */
-        MAX31723 (int csn);
+        MAX31723 (int bus, int csn);
 
         /**
          * MAXDS3231M object destructor; basically, it closes the I2C connection.