Revision 3:a9e08cdf0b95, committed 2017-06-30

Comitter:

ryood

Date:

Fri Jun 30 15:58:59 2017 +0000

Parent:

2:96130c28149e

Commit message:

SPI object as a pointer

Changed in this revision

diff -r 96130c28149e -r a9e08cdf0b95 mcp3008.cpp
--- a/mcp3008.cpp	Sun Jun 18 19:58:42 2017 +0000
+++ b/mcp3008.cpp	Fri Jun 30 15:58:59 2017 +0000
@@ -6,8 +6,8 @@
 #define MODE_DIFF   0x00    // Differential mode
 
 
-MCP3008::MCP3008(SPI bus, PinName cs)
-    : m_cs(cs), m_bus(bus)
+MCP3008::MCP3008(SPI* p_bus, PinName cs)
+    : m_cs(cs), m_p_bus(p_bus)
 {
     deselect();
 }
@@ -37,9 +37,9 @@
     select();
     
     // Odd writing requirements, see the datasheet for details
-    m_bus.write(command_high);
-    int high_byte = m_bus.write(command_low) & 0x03;
-    int low_byte = m_bus.write(0);
+    m_p_bus->write(command_high);
+    int high_byte = m_p_bus->write(command_low) & 0x03;
+    int low_byte = m_p_bus->write(0);
     
     deselect();
     
@@ -61,9 +61,9 @@
     select();
     
     // Odd writing and reading requirements, see the datasheet for details.
-    m_bus.write(command_high);
-    int high_byte = m_bus.write(command_low) & 0x03;
-    int low_byte = m_bus.write(0);
+    m_p_bus->write(command_high);
+    int high_byte = m_p_bus->write(command_low) & 0x03;
+    int low_byte = m_p_bus->write(0);
     
     deselect();
     

diff -r 96130c28149e -r a9e08cdf0b95 mcp3008.h
--- a/mcp3008.h	Sun Jun 18 19:58:42 2017 +0000
+++ b/mcp3008.h	Fri Jun 30 15:58:59 2017 +0000
@@ -31,7 +31,7 @@
      * @param bus An SPI bus object.
      * @param cs The name of a pin to use as the chip select.
      */
-    MCP3008(SPI bus, PinName cs);
+    MCP3008(SPI* p_bus, PinName cs);
     ~MCP3008();
     
     /** Read from a single-ended input.
@@ -66,7 +66,7 @@
   
 private:
     DigitalOut m_cs;
-    SPI m_bus;
+    SPI* m_p_bus;
     
     void select();
     void deselect();