Alexandre Moghrabi
This is the assessment project
Dependencies: C12832 FXOS8700Q LM75B mbed
Fork of
app-shield-LM75B
by 
Chris Styles
Revision 9:b14eedf2e34b, committed 2016-02-22
- Comitter:
- co838_am2073
- Date:
- Mon Feb 22 08:26:43 2016 +0000
- Parent:
- 8:e0f3f151c3cc
- Child:
- 10:5cf5a731af73
- Commit message:
- First stable version
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FXOS8700Q.lib Mon Feb 22 08:26:43 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/teams/Freescale/code/FXOS8700Q/#aee7dea904e2
--- a/LM75B.lib Fri Aug 01 14:29:15 2014 +0000 +++ b/LM75B.lib Mon Feb 22 08:26:43 2016 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/neilt6/code/LM75B/#fc27dc535ea9 +http://mbed.org/users/neilt6/code/LM75B/#7ac462ba84ac
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/core.cpp Mon Feb 22 08:26:43 2016 +0000
@@ -0,0 +1,120 @@
+#include "core.h"
+#define M_PI 3.14159265358979323846
+
+// Tickers
+
+void Core::optTrigger()
+{
+ m_optTrigger = !m_optTrigger;
+}
+
+void Core::nextTrigger()
+{
+ nextMode();
+}
+
+void Core::updateStateTrigger() {/* Used only to interrupt sleep */}
+
+// End tickers
+
+void Core::nextMode()
+{
+ m_mode = static_cast<Mode>(((int)m_mode + 1) % MODES_COUNT);
+ m_accelerometer.disable();
+ m_magnetometer.disable();
+ m_stateEntred = false;
+}
+
+void Core::init()
+{
+ writeText("Init...", 0, 3);
+ // Init states
+ m_states[Temperature] = &Core::stateTemperature;
+ m_states[Accelerometer] = &Core::stateAccelerometer;
+ m_states[Magnetometer] = &Core::stateMagnetometer;
+
+ // Init buttons
+ m_btnOpt.mode(PullUp);
+ m_btnOpt.fall(this, &Core::optTrigger);
+
+ m_btnNext.mode(PullUp);
+ m_btnNext.fall(this, &Core::nextTrigger);
+
+ m_stateTicker.attach(this, &Core::updateStateTrigger, 1);
+}
+
+
+void Core::update()
+{
+ m_lcd.cls();
+ (this->*m_states[m_mode])();
+ sleep();
+}
+
+void Core::setLedColor(float red, float green, float blue)
+{
+ m_ledR = red;
+ m_ledG = green;
+ m_ledB = blue;
+}
+
+void Core::writeText(const char* format, int x, int y, ...)
+{
+ char buffer[strlen(format) + 32];
+
+ // Using va_list to set arguments like a printf
+ va_list args;
+ va_start(args, y);
+ vsprintf(buffer, format, args);
+ va_end(args);
+
+ // Setting location and writing on screen
+ m_lcd.locate(x, y);
+ m_lcd.printf(buffer);
+}
+
+// STATES
+
+void Core::stateTemperature()
+{
+ char type;
+ float temp;
+
+ if (m_optTrigger) {
+ type = 'F';
+ temp = m_temperature.temp() * 9 / 5 + 32;
+ } else {
+ type = 'C';
+ temp = m_temperature.temp();
+ }
+ writeText("Temperature\n", 35, 3);
+ writeText("%1.f %c\n", 56, 12, temp, type);
+}
+
+void Core::stateAccelerometer()
+{
+ motion_data_units_t data;
+
+ if (!m_stateEntred)
+ {
+ m_stateEntred = true;
+ m_accelerometer.enable();
+ }
+ m_accelerometer.getAxis(data);
+ writeText("Accelerometer\n", 33, 3);
+ writeText("X=%4.1ff Y=%4.1ff Z=%4.1ff\r\n", 0, 12, data.x, data.y, data.z);
+}
+
+void Core::stateMagnetometer()
+{
+ motion_data_units_t data;
+
+ if (!m_stateEntred)
+ {
+ m_stateEntred = true;
+ m_magnetometer.enable();
+ }
+ m_magnetometer.getAxis(data);
+ writeText("Magnetometer\n", 33, 3);
+ writeText("X=%4.1ff Y=%4.1ff Z=%4.1ff\r\n", 0, 12, data.x, data.y, data.z);
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/core.h Mon Feb 22 08:26:43 2016 +0000
@@ -0,0 +1,85 @@
+#ifndef CORE_H_
+#define CORE_H_
+
+#include <stdarg.h>
+#include "mbed.h"
+#include "LM75B.h" // temperature
+#include "C12832.h" // lcd
+#include "FXOS8700Q.h" // accelerometer
+
+#define MODES_COUNT 3
+#define SCREEN_REFRESH_VALUE 1
+
+class Core {
+ public:
+ Core() :
+ m_mode(Temperature),
+ m_ledR(D5),
+ m_ledG(D8),
+ m_ledB(D9),
+ m_lcd(D11, D13, D12, D7, D10),
+ m_temperature(D14, D15),
+ m_btnNext(PTC6),
+ m_btnOpt(PTA4),
+ m_optTrigger(false),
+ m_i2c(PTE25, PTE24),
+ m_accelerometer(m_i2c, FXOS8700CQ_SLAVE_ADDR1),
+ m_magnetometer(m_i2c, FXOS8700CQ_SLAVE_ADDR1),
+ m_stateEntred(false)
+ {}
+ virtual ~Core() {}
+ enum Mode {
+ Temperature = 0,
+ Accelerometer,
+ Magnetometer
+ };
+
+ public:
+ /**
+ * Switch to next mode
+ */
+ void nextMode();
+ /**
+ * Init devices
+ */
+ void init();
+ /**
+ * Update datas (called on each "frame")
+ */
+ void update();
+
+ private:
+ void setLedColor(float red, float green, float blue);
+ void writeText(const char* text, int x, int y, ...);
+
+ // Triggers
+ private:
+ void optTrigger();
+ void nextTrigger();
+ void updateStateTrigger();
+
+ // States
+ private:
+ void stateTemperature();
+ void stateAccelerometer();
+ void stateMagnetometer();
+
+ private:
+ volatile Mode m_mode;
+ PwmOut m_ledR;
+ PwmOut m_ledG;
+ PwmOut m_ledB;
+ C12832 m_lcd;
+ LM75B m_temperature;
+ InterruptIn m_btnNext;
+ InterruptIn m_btnOpt;
+ void (Core::*m_states[MODES_COUNT])();
+ volatile bool m_optTrigger;
+ Ticker m_stateTicker;
+ I2C m_i2c;
+ FXOS8700QAccelerometer m_accelerometer;
+ FXOS8700QMagnetometer m_magnetometer;
+ bool m_stateEntred;
+};
+
+#endif /* !CORE_H_ */
\ No newline at end of file
--- a/main.cpp Fri Aug 01 14:29:15 2014 +0000
+++ b/main.cpp Mon Feb 22 08:26:43 2016 +0000
@@ -1,17 +1,11 @@
-#include "mbed.h"
-#include "LM75B.h"
-#include "C12832.h"
-
-// Using Arduino pin notation
-C12832 lcd(D11, D13, D12, D7, D10);
-LM75B sensor(D14,D15);
+#include "core.h"
int main ()
{
- while (1) {
- lcd.cls();
- lcd.locate(0,3);
- lcd.printf("Temp = %.1f\n", sensor.temp());
- wait(1.0);
+ Core core;
+ core.init();
+ while (true)
+ {
+ core.update();
}
}
--- a/mbed.bld Fri Aug 01 14:29:15 2014 +0000 +++ b/mbed.bld Mon Feb 22 08:26:43 2016 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/6213f644d804 \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed/builds/252557024ec3 \ No newline at end of file