Diff: main.cpp

Revision:

0:12ae42019e9f

Child:

1:3ae4192d0c25

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Mar 04 12:15:28 2016 +0000
@@ -0,0 +1,84 @@
+/* ELEC2645 Project
+
+Week 19 - Take distance readings from the sensor
+Week 20 -
+Week 21 -
+Week Easter -
+Week 22 -
+Week 23 -
+Week 24 - 
+
+*/
+
+#include "mbed.h"
+#include "N5110.h"
+#include "SRF02.h"
+
+
+SRF02 srf02(I2C_SDA,I2C_SCL);
+
+// UART connection for PC
+Serial pc(USBTX,USBRX);
+
+// K64F on-board LEDs
+DigitalOut r_led(LED_RED);
+DigitalOut g_led(LED_GREEN);
+DigitalOut b_led(LED_BLUE);
+// K64F on-board switches
+InterruptIn sw2(SW2);
+InterruptIn sw3(SW3);
+
+int distance;
+
+// error function hangs flashing an LED
+void error();
+// setup serial port
+void init_serial();
+// set-up the on-board LEDs and switches
+void init_K64F();
+
+
+
+int main()
+{
+    // initialise the board and serial port
+    init_K64F();
+    init_serial();
+ 
+    while (1) {
+
+
+        for (int i = 1; i < 11; i++) {
+            // read sensor and accelerometer
+            distance = srf02.getDistanceCm();
+        }
+
+        // print over serial port
+        pc.printf("Distance = %d cm\n",distance);
+
+        // short delay before next measurement
+        wait(0.5);
+
+    }
+
+}
+
+void init_serial()
+{
+    // set to highest baud - ensure terminal software matches
+    pc.baud(115200);
+}
+
+void init_K64F()
+{
+    // on-board LEDs are active-low, so set pin high to turn them off.
+    r_led = 1;
+    g_led = 1;
+    b_led = 1;
+
+    // since the on-board switches have external pull-ups, we should disable the internal pull-down
+    // resistors that are enabled by default using InterruptIn
+    sw2.mode(PullNone);
+    sw3.mode(PullNone);
+
+}