Ryo Od / mcp3008

A Library for MCP3008

Dependents:   Nucleo_MCP3008_Test ProjetoBB KIK01 MASTER_SPI_MCP3008

Files at this revision

API Documentation at this revision

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

mcp3008.cpp Show annotated file Show diff for this revision Revisions of this file
mcp3008.h Show annotated file Show diff for this revision Revisions of this file 
--- 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();
     

--- 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();