Diff: communication.h

Revision:

2:a8bbf677e774

Child:

3:901d18b901b4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/communication.h	Thu Aug 06 00:19:29 2015 +0000
@@ -0,0 +1,94 @@
+/**
+ * @file   : communication.h (1.0)
+ * @brief  : manage communication
+ * @author : Shinnosuke KOIKE
+ * @date   : 2015/08/06
+ */
+
+#ifndef COMMUNICATION_H
+#define COMMUNICATION_H
+
+#include "mbed.h"
+
+class CommuMaster {
+public:
+    CommuMaster(PinName sda, PinName scl);
+    void receiveData(int correctFrequency, char addr, char data[], char length);
+
+private:
+    I2C* i2cmaster;
+};
+
+class CommuSlave {
+public:
+    CommuSlave(PinName sda, PinName scl);
+    void sendData(int correctFrequency, char addr, char data[], char length);
+
+private:
+    I2CSlave* i2cslave;
+};
+
+// initialize
+CommuMaster::CommuMaster(PinName sda, PinName scl) {
+    i2cmaster = new I2C(sda, scl);
+}
+
+// receive some data
+void CommuMaster::receiveData(int correctFrequency, char addr, char data[], char length) {
+    i2cmaster->frequency(correctFrequency);
+    i2cmaster->read(addr | 1, data, length, false);
+}
+
+// initialize
+CommuSlave::CommuSlave(PinName sda, PinName scl) {
+    i2cslave = new I2CSlave(sda, scl);
+}
+
+// send some data
+void CommuSlave::sendData(int correctFrequency, char addr, char data[], char length) {
+    i2cslave->frequency(correctFrequency);
+    i2cslave->address(addr);
+    i2cslave->write(data, length);
+}
+
+#endif
+
+/**
+ * example program(master)
+
+#include "mbed.h"
+
+#define DATA_NUM    8
+
+int main(void) {
+    CommuMaster master(D5, D6);
+    char addr = 0xA0;
+    int  freq = 2000;
+    char data[DATA_NUM];
+    char length = 8;
+
+    while (1) {
+        master.receiveData(freq, addr, data, length);
+        for (int i = 0; i < DATA_NUM; i++) {
+            pc.printf("%d ", data[i]);
+        }
+        pc.putchar('\n');
+    }
+}
+
+ * example program(slave)
+
+#include "mbed.h"
+
+int main(void) {
+    CommuSlave slave(D5, D6);
+    char addr = 0xA0;
+    int  freq = 2000;
+    char data[8] = {1, 1, 0, 0, 0, 0, 0, 1};
+    char length;
+
+    while (1) {
+        slave.sendData(freq, addr, data, length);
+    }
+}
+*/