Kazuki Yamamoto / SWSPI

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Dependents:   11u35_usbLocalFilesystem

Fork of SWSPI by Dave Van Wagner

Diff: SWSPI.cpp

Revision:
3:8c6310f2038f
Parent:
2:457a920a1223
--- a/SWSPI.cpp	Fri Mar 04 10:33:56 2016 +0000
+++ b/SWSPI.cpp	Thu Jul 07 01:45:53 2016 +0000
@@ -24,10 +24,13 @@
 
 SWSPI::SWSPI(PinName mosi_pin, PinName miso_pin, PinName sclk_pin):_fast(false)
 {
-    mosi = new DigitalOut(mosi_pin);
-    miso = new DigitalIn(miso_pin);
-    sclk = new DigitalOut(sclk_pin);
-    format(8);
+    mosi = new DigitalInOut(mosi_pin);
+    miso = new DigitalInOut(miso_pin);
+    sclk = new DigitalInOut(sclk_pin);
+    mosi->output();
+    miso->input();
+    sclk->output();
+    format(8,0);
     frequency();
 }
 
@@ -58,6 +61,9 @@
 int SWSPI::write(int value)
 {
 
+    mosi->output();
+    miso->input();
+    sclk->output();
     int read = 0;
     if (_fast) {
         read = fast_write(value);
@@ -84,6 +90,9 @@
             wait_us(1000000/freq/2);
         }
     }
+    mosi->input();
+    miso->input();
+    sclk->input();
 
     return read;
 }