Diff: main.cpp

Revision:

0:e24b497adfce

Child:

1:e8ff4ff5a726

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Oct 13 13:27:05 2014 +0000
@@ -0,0 +1,60 @@
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+Serial pc(USBTX, USBRX); // tx, rx
+I2CSlave slave(p28, p27);
+
+const int SLAVE_ADDRESS = 0x85;
+const int MEMORY_SIZE = 16;
+
+int memory[MEMORY_SIZE];
+
+void initializeMemory(void)
+{
+    for (int i = 0; i < MEMORY_SIZE; i++) {
+        memory[i] = 0;
+    }
+}
+
+int main() {
+    pc.baud(115200);
+    pc.printf("I am the slave device (SLAVE_ADDRESS = 0x%x)\r\n", SLAVE_ADDRESS);
+    pc.printf("Size of integer is %d bytes\r\n", sizeof(int));
+    pc.printf("Size of memory buffer is %d elements\r\n", MEMORY_SIZE);
+
+    // Make sure memory buffer is zeroed
+    initializeMemory();
+
+
+    char buffer[10];
+    char msg[] = "Slave!";
+
+    slave.address(SLAVE_ADDRESS);
+    
+    while (1) {
+        int i = slave.receive();
+        switch (i) {
+            case I2CSlave::ReadAddressed:
+                pc.printf("Slave received command: %d [ReadAddressed]\r\n", i);
+
+                if (slave.write(msg, strlen(msg) + 1) == 0) {
+                    printf("Sending %s to master\r\n", msg);
+                }
+                break;
+    
+            case I2CSlave::WriteAddressed:
+                pc.printf("Slave received command: %d [WriteAddressed]\r\n", i);
+
+                if (slave.read(buffer, 10) == 0) {
+                    pc.printf("Received %s from master\r\n", buffer);
+                }
+                break;
+        }
+        for (int i = 0; i < 10; i++) buffer[i] = 0;   // Clear buffer
+        
+        /*myled = 1;
+        wait(1);
+        myled = 0;
+        wait(1);*/
+    }
+}