Diff: main.cpp

Revision:

0:48a8b110f225

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun May 26 00:10:38 2013 +0000
@@ -0,0 +1,156 @@
+/**
+ * My custom Xively code. This program will use most of the peripherals
+ * on the board. If you need anything else let me know and I can probably
+ * make some task for it to do.
+ *
+ * Eric Fossum
+ */
+#include "mbed.h"
+#include "MMA7660.h"
+#include "PinDetect.h"
+#include "rtos.h"
+#include "ST7565R.h"
+#include "tricolor.h"
+
+/// Updates the potentiometers and prints their values to the LCD
+void pot_update(void const *args);
+/// Updates the devices on the I2C bus and prints their values to the LCD
+void i2c_update(void const *args);
+/// Function call for when down on the joystick is pressed
+void down();
+/// Function call for when left on the joystick is pressed
+void left();
+/// Function call for when the joystick is clicked
+void click();
+/// Function call for when up on the joystick is pressed
+void up();
+/// Function call for when right on the joystick is pressed
+void right();
+
+Serial pc(USBTX, USBRX);
+ST7565R lcd(p11, p8, p7, p5, p6, false);
+Tricolor led(p23, p24, p25);
+I2C i2c(p28, p27);
+MMA7660 accl(p28, p27);
+
+const int temp_addr = 0x90;
+
+Mutex lcd_mutex;
+
+AnalogIn pot1(p19);
+AnalogIn pot2(p20);
+
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+PinDetect joy_down(p12);
+PinDetect joy_left(p13);
+PinDetect joy_click(p14);
+PinDetect joy_up(p15);
+PinDetect joy_right(p16);
+
+/** Main
+ * Sets up the hardware and threads, then toggles the LED every half a second.
+ */
+int main() {
+    joy_left.mode(PullDown);
+    joy_right.mode(PullDown);
+    joy_click.mode(PullDown);
+    joy_up.mode(PullDown);
+    joy_down.mode(PullDown);
+    
+    joy_left.attach_asserted(&left);
+    joy_right.attach_asserted(&right);
+    joy_click.attach_asserted(&click);
+    joy_up.attach_asserted(&up);
+    joy_down.attach_asserted(&down);
+    
+    wait(0.2);
+    
+    joy_left.setSampleFrequency();
+    joy_right.setSampleFrequency();
+    joy_click.setSampleFrequency();
+    joy_up.setSampleFrequency();
+    joy_down.setSampleFrequency();
+    
+    led.SetLEDColor(0, 60, 0);
+    
+    pc.printf("Debug out\n");
+    
+    lcd.moveto(0,0);
+    lcd.printf("Custom Xively!");
+    // Create Tasks - task, argument, priority, stack, stk_ptr
+    Thread pot_thread(pot_update);
+    Thread i2c_thread(i2c_update);
+    
+    while(1) {
+        wait(0.5);
+        led.Toggle();
+    }
+}
+
+void pot_update(void const *args) {
+    char str[lcd.columns()+1];
+    
+    while(true) {
+        lcd_mutex.lock();
+        lcd.moveto(0,1);
+        sprintf(str, "Pot1: %00.2f Pot2: %00.2f", pot1.read(), pot2.read());
+        lcd.printf(str);
+        lcd_mutex.unlock();
+    }
+}
+
+void i2c_update(void const *args) {
+    char str[lcd.columns()+1];
+    char cmd[2];
+    float temp;
+    
+    while(true) {
+        // Temp Sensor
+        cmd[0] = 0x01;
+        cmd[1] = 0x00;
+        i2c.write(temp_addr, cmd, 2);
+        wait(0.5);
+        cmd[0] = 0x00;
+        i2c.write(temp_addr, cmd, 1);
+        i2c.read(temp_addr, cmd, 2);
+        temp = ((float((cmd[0]<<8)|cmd[1]) / 256.0)*1.8) + 32;
+
+        lcd_mutex.lock();
+        lcd.moveto(0,2);
+        sprintf(str, "Temp: %2.1f, Z: % 2.1f", temp, lcd.rows());
+        lcd.printf(str);
+        
+        // Accelerometer
+        lcd.moveto(0,3);
+        sprintf(str, "X: % 2.1f Y: % 2.1f", accl.x(), accl.y());
+        lcd.printf(str);
+        lcd_mutex.unlock();
+    }
+}
+
+void down() {
+    led3 = !led3;
+}
+
+void left() {
+    led1 = !led1;
+}
+
+void click() {
+    led1 = !led1;
+    led2 = !led2;
+    led3 = !led3;
+    led4 = !led4;
+}
+
+void up() {
+    led2 = !led2;
+}
+
+void right() {
+    led4 = !led4;
+}