Diff: main.cpp

Revision:

0:f8a8c6a8a5c3

Child:

1:5cdfc8d78097

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Dec 04 13:19:24 2021 +0000
@@ -0,0 +1,74 @@
+/* 
+
+2645_I2C_TMP102_Library
+
+Sample code from ELEC2645 Week 17 Lab
+
+Demonstrates how to re-factor the TMP102 code into a library
+
+(c) Craig A. Evans, University of Leeds, Feb 2016
+
+*/ 
+
+#include "mbed.h"
+// include the library header, ensure the library has been imported into the project
+#include "TMP102.h"
+
+// Create TMP102 object
+TMP102 Tmp_I2C(I2C_SDA,I2C_SCL);  
+// UART connection for PC
+Serial pc(USBTX,USBRX);
+
+// K64F on-board LEDs 
+DigitalOut Red_DO(LED_RED);
+DigitalOut Grn_DO(LED_GREEN);
+DigitalOut Blue_DO(LED_BLUE);
+// K64F on-board switches
+InterruptIn Sw2_DI(SW2);
+InterruptIn Sw3_DI(SW3);
+
+// 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(); 
+    // call the sensor init method using dot syntax
+    Tmp_I2C.init();
+    
+    while (1) {
+        
+        // read temperature and print over serial port
+        float T = Tmp_I2C.get_temperature();
+        pc.printf("T = %f K\n",T);
+        // small delay - 1s to match the update rate of the sensor (1 Hz)
+        wait(1.0);
+        
+    }
+
+}
+
+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.
+    Red_DO = 1;
+    Grn_DO = 1;
+    Blue_DO = 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_DI.mode(PullNone);
+    Sw3_DI.mode(PullNone);
+
+}