Éric Poirier / Mbed 2 deprecated SPI_labo1

Labo APP1 (SPI)

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Revision 0:f59252c7524a, committed 2017-08-30

Comitter:
BobMorane22
Date:
Wed Aug 30 18:44:38 2017 +0000
Commit message:
SPI example working. 7 segment resets itself automatically.

Changed in this revision

mbed.bld Show annotated file Show diff for this revision Revisions of this file
spi.cpp Show annotated file Show diff for this revision Revisions of this file 
diff -r 000000000000 -r f59252c7524a mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Aug 30 18:44:38 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/e2bfab296f20
\ No newline at end of file

diff -r 000000000000 -r f59252c7524a spi.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spi.cpp	Wed Aug 30 18:44:38 2017 +0000
@@ -0,0 +1,38 @@
+#include "mbed.h"
+
+#define ON         0x00
+#define OFF        0x01
+#define ALWAYS     0x01
+#define CLEAR_7SEG 0x76
+
+// PC <-USB-> Microcontroller:
+Serial pc(USBTX, USBRX); // tx, rx
+
+// 7segment <-SPI-> Microcontroller:
+SPI seg7(p11, p12, p13);
+
+// Slave select:
+DigitalOut cs(p14);
+
+
+int main()
+{
+    int value = 0;
+    cs        = OFF;
+    
+    while(ALWAYS)
+    {
+        pc.printf("Value: ");
+        pc.scanf("%d", &value);
+        pc.printf("%d\r\n", value);
+        
+        cs = ON;
+        
+        // Clear and write data:
+        seg7.write(CLEAR_7SEG);
+        wait(0.2);   
+        seg7.write(value);
+        
+        cs = OFF;
+    }
+}
\ No newline at end of file