jim hamblen
ECE 2036 lab 7 IoT Clock starting template
Dependencies: 4DGL-uLCD-SE EthernetInterface NTPClient SDFileSystem mbed-rtos mbed wave_player
Revision 0:df4d7c0a1594, committed 2015-04-06
- Comitter:
- 4180_1
- Date:
- Mon Apr 06 12:28:01 2015 +0000
- Commit message:
- ver 1.0
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/4DGL-uLCD-SE.lib Mon Apr 06 12:28:01 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/4180_1/code/4DGL-uLCD-SE/#e39a44de229a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetInterface.lib Mon Apr 06 12:28:01 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/EthernetInterface/#2fc406e2553f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NTPClient.lib Mon Apr 06 12:28:01 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/donatien/code/NTPClient/#881559865a93
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Mon Apr 06 12:28:01 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/neilt6/code/SDFileSystem/#c2c1f0b16380
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TMP36.h Mon Apr 06 12:28:01 2015 +0000
@@ -0,0 +1,31 @@
+#include "mbed.h"
+
+//Setup a new class for TMP36 sensor
+class TMP36
+{
+public:
+ TMP36(PinName pin);
+ TMP36();
+ operator float ();
+ float read();
+private:
+//class sets up the AnalogIn pin
+ AnalogIn _pin;
+};
+
+TMP36::TMP36(PinName pin) : _pin(pin)
+{
+// _pin(pin) means pass pin to the AnalogIn constructor
+}
+
+float TMP36::read()
+{
+//convert sensor reading to temperature in degrees C
+ return ((_pin.read()*3.3)-0.500)*100.0;
+}
+//overload of float conversion (avoids needing to type .read() in equations)
+TMP36::operator float ()
+{
+//convert sensor reading to temperature in degrees C
+ return ((_pin.read()*3.3)-0.500)*100.0;
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Apr 06 12:28:01 2015 +0000
@@ -0,0 +1,93 @@
+#include "mbed.h"
+// Need include below to add the RTOS
+#include "rtos.h"
+//#include "EthernetInterface.h" //needed for Extra Credit
+//#include "NTPClient.h"
+#include "SDFileSystem.h"
+#include "uLCD_4DGL.h"
+#include "TMP36.h"
+#include "wave_player.h"
+// Setup four builtin leds for use by threads
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+AnalogOut DACout(p18); // used to play sound on speaker
+
+//wave player plays a *.wav file to D/A and a PWM
+wave_player waver(&DACout);
+
+uLCD_4DGL uLCD(p28,p27,p29); // serial tx, serial rx, reset pin;
+
+SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card setup
+
+
+// Setup function code for three new threads to run.
+// Put in a while loop so that threads run forever.
+// Thread::wait will force at least a "x" millisecond
+// wait before the thread runs again. During this delay
+// the other threads will run
+// DO NOT use wait() with the RTOS!!!!!
+// wait just burns processor time and no other threads run
+void led2_thread(void const *argument)
+{
+ led2 = 1;
+ while (true) {
+ led2 = !led2;
+ Thread::wait(2000);
+ }
+}
+void led3_thread(void const *argument)
+{
+ led3 = 1;
+ while (true) {
+ led3 = !led3;
+ Thread::wait(4000);
+ }
+}
+void led4_thread(void const *argument)
+{
+ TMP36 myTMP36(p20);
+ led4 = 1;
+ while (true) {
+ led4 = !led4;
+ Thread::wait(8000);
+ }
+}
+
+int main()
+{
+ led1 = 1;
+// code to set time in extra credit option goes here
+//
+ uLCD.baudrate(3000000); //jack up baud rate to max for fast display
+ uLCD.text_width(2); //2x size text
+ uLCD.text_height(2);
+// Create 3 new thread objects thread1, thread2, and thread3
+// The RTOS will immediately start running them
+ Thread thread1(led2_thread);
+ Thread thread2(led3_thread);
+ Thread thread3(led4_thread);
+// Main continues to run and is actually the first thread.
+// So a total of four threads are running now.
+// Each thread blinks an LED, but at a different rate
+// because of the different values used in Thread::wait().
+//
+// Set time in seconds since Jan 1 1970 (Unix style)
+// must set time to start Real Time clock running
+ set_time(1286729737);
+ char buffer[12];
+ time_t seconds;
+ while (true) {
+// reads time structure
+ seconds = time(NULL);
+// converts time structure to a string
+ strftime(buffer, 12, "%T", localtime(&seconds));
+// print time HH:MM:SS
+ uLCD.locate(0,2);
+ uLCD.printf("%s\n\r", buffer);
+ led1 = !led1;
+ Thread::wait(1000);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Mon Apr 06 12:28:01 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#d3d0e710b443
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Apr 06 12:28:01 2015 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/487b796308b0 \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wave_player.lib Mon Apr 06 12:28:01 2015 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/sravet/code/wave_player/#acc3e18e77ad