Diff: so.cpp

Revision:

0:32fded6e1775

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/so.cpp	Sat Sep 30 17:20:23 2017 +0000
@@ -0,0 +1,42 @@
+//#include "io.h"
+
+#include "mbed.h"
+//#define SO_CLK_PIN   11
+//#define SO_EN_PIN    10
+//#define SO_DATA_PIN   8
+
+DigitalOut SO_CLK_PIN(D11);
+DigitalOut SO_EN_PIN(D10);
+DigitalOut SO_DATA_PIN(D8);
+
+void soInit(void) {
+    //not nedded?
+}
+//pulso de clock para habilitar os dados na sáida
+void PulseEnClock(void){
+    SO_EN_PIN = 1;
+    SO_EN_PIN = 0;
+    //digitalWrite(SO_EN_PIN, HIGH);
+    //digitalWrite(SO_EN_PIN, LOW);
+}
+//pulso de clock para enviar um bit
+void PulseClockData(void){
+    SO_CLK_PIN = 1;
+    SO_CLK_PIN = 0;
+
+    //digitalWrite(SO_CLK_PIN, HIGH);
+    //digitalWrite(SO_CLK_PIN, LOW);
+}
+void soWrite(int value) {
+    char i;
+    SO_CLK_PIN = 0;
+    //digitalWrite(SO_CLK_PIN, LOW);
+    for (i = 0; i < 8; i++) {
+        //make shure its one(1) or zero(0)
+        SO_DATA_PIN = !(!(value & 0x80)) ;
+        //digitalWrite(SO_DATA_PIN, value & 0x80);
+        PulseClockData();
+        value <<= 1;
+    }
+    PulseEnClock();
+}