Revision 0:cb3a5c15b01e, committed 2017-12-12

Comitter:

benparkes

Date:

Tue Dec 12 17:05:59 2017 +0000

Child:

1:bca9993a0df3

Commit message:

Working No Mail que

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BMP280.lib	Tue Dec 12 17:05:59 2017 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/charly/code/BMP280/#d22ecbef9b90

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD.cpp	Tue Dec 12 17:05:59 2017 +0000
@@ -0,0 +1,150 @@
+#include "mbed.h"
+
+#include "LCD.h"
+#define busy_mask 0x8000
+
+
+LCD::LCD(PinName RS, PinName E, PinName d4, PinName d5,
+                 PinName d6, PinName d7) : _RS(RS),
+        _E(E), _DBUS(d4, d5, d6, d7) {
+
+    _E  = 0;
+    _RS = 0;            // command mode
+
+    wait(0.015);        // Wait 15ms to ensure powered up
+
+    // send "Display Settings" 3 times (Only top nibble of 0x30 as we've got 4-bit bus)
+
+    wait(0.015);        // Wait 15ms to ensure powered up
+
+    for (int i=0; i<3; i++) {
+        DATA(0x30, CMD);
+        wait(0.00164);  // this command takes 1.64ms, so wait for it
+    }
+    DATA(0x02, CMD);     // 4-bit mode
+    wait(0.000040f);    // most instructions take 40us
+
+    DATA(0x28,CMD); // Function set 001 BW N F - -
+    DATA(0x0C,CMD);
+    DATA(0x06,CMD);  // Cursor Direction and Display Shift : 0000 01 CD S (CD 0-left, 1-right S(hift) 0-no, 1-yes
+    Clear();
+    DATA(0x01,CMD); // cls, and set cursor to 0
+    wait(0.00164f);     // This command takes 1.64 ms
+    Write("Constructed");
+}
+
+
+
+
+/*int main(){
+     //(PF_13, PE_9, PF_14, PF_15)
+     //(PF_15, PF_14, PE_9,PF_13)
+     LCD_DBUS = new BusInOut(PF_13, PE_9, PF_14, PF_15) ;
+     LCD_Init();
+     while(1){
+     write_string("Hi");
+     wait(0.1);
+     }
+    }
+*/
+// Initialise LCD Pins //
+/*void LCD_Init(void){                                        
+        LCD_E = 0;;          //clear enable
+        LCD_RW = 0;                 // write
+        LCD_RS = 0;         // command
+
+        wait_ms(3);           //delay for LCD to initialise.
+
+        LCD_DATA(0x28,CMD);     //set to 4 bit interface, 2 line and 5*8 font
+        LCD_DATA(0x0f,CMD);     //cursor on, cursor position blink
+        LCD_DATA(0x10,CMD);
+        LCD_CLR;                //clear display
+        LCD_DATA(0x06,CMD);     //move cursor right after write
+        LCD_HOME;                   //return home
+
+    LCD_E  = 1;
+    LCD_RS = 0;            // command mode
+    LCD_RW = 0;
+    wait(0.015);        // Wait 15ms to ensure powered up
+
+    for (int i=0; i<3; i++) {
+        LCD_DATA(0x03, TXT);
+        wait(0.00164);  // this command takes 1.64ms, so wait for it
+    }
+    LCD_DATA(0x02, TXT);     // 4-bit mode
+    wait(0.000040f);    // most instructions take 40us
+
+    LCD_DATA(0x28,CMD); // Function set 001 BW N F - -
+    LCD_DATA(0x0C,CMD);
+    LCD_DATA(0x06,CMD);  // Cursor Direction and Display Shift : 0000 01 CD S (CD 0-left, 1-right S(hift) 0-no, 1-yes
+    LCD_DATA(0x01,CMD); // cls, and set cursor to 0
+    wait(0.00164f);     // This command takes 1.64 ms
+}*/
+/*---------------------------------------------------------------------*/
+void LCD::Clear(void){
+    DATA(CLEAR,CMD);
+    }
+    
+void LCD::RowSelect(int row){
+    switch(row){
+        case 0:
+        DATA(LINE1,CMD); 
+        break;
+        case 1:
+        DATA(LINE2,CMD); 
+        break;
+        default:
+        DATA(LINE1,CMD);
+        break;
+        }
+    }
+    
+void LCD::Busy(void)
+{
+        wait_ms(1);
+}
+/*---------------------------------------------------------------------*/
+void LCD::DATA(char data,char type){
+
+        Busy();                  //TEST LCD FOR BUSY 
+        
+        _DBUS = (data>>4);
+
+        wait(0.00040f); // most instructions take 40us
+    
+        if(type == CMD)
+        {
+            _RS = 0;            //COMMAND MODE
+        } 
+        else 
+        {
+            _RS = 1;            //CHARACTER/DATA MODE
+        }
+        wait(0.00040f);
+
+        _E = 1;                 //ENABLE LCD DATA LINE
+        wait(0.00040f);         // most instructions take 40us
+        _E = 0;                 //DISABLE LCD DATA LINE
+            
+        _DBUS = 0;
+      
+        _DBUS = (data);
+        
+        _E = 1;                 //ENABLE LCD DATA LINE
+        wait(0.00040f);         // most instructions take 40us
+        _E = 0;                 //DISABLE LCD DATA LINE
+}
+/*---------------------------------------------------------------------*/
+void LCD::Write(char text[16]){   
+    int i = 0;
+      
+    
+    while((text[i] != 0))
+    {
+        
+        char character = text[i];
+        DATA (character,TXT);      // Write text "a" to the LCD
+        
+        i++;
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD.h	Tue Dec 12 17:05:59 2017 +0000
@@ -0,0 +1,33 @@
+#ifndef MBED_LCD_H
+#define MBED_LCD_H
+
+
+#define CMD          0
+#define TXT          1
+#define CLEAR        1
+#define HOME         2
+#define READ         1
+#define WRITE        0
+#define LEFT         0
+#define RIGHT        1
+
+#define LINE1    0x80        // Start address of first line
+#define LINE2    0xC0        // Start address of second line
+
+#define LCD_CLR             (LCD_DATA(CLEAR,CMD))
+#define LCD_HOME            (LCD_DATA(HOME,CMD))
+
+class LCD{
+public:
+LCD(PinName RS, PinName E, PinName d4, PinName d5, PinName d6, PinName d7);
+void Clear(void);
+void Write(char text[16]);
+void RowSelect(int row);
+
+protected:
+    void Busy(void);
+    void DATA(char data,char type);
+    DigitalOut _RS, _E;
+    BusOut _DBUS;
+};
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Dec 12 17:05:59 2017 +0000
@@ -0,0 +1,100 @@
+#include "mbed.h"
+#include "main.h"
+
+
+
+
+LCD  lcd(PD_15, PF_12, PF_13, PE_9, PF_14, PF_15); 
+
+BMP280 Sensor(D14, D15);
+void PrintLCD ();
+
+
+
+float LDR_Value;
+float temp_Value;
+float press_Value;
+Thread t1;
+Thread t2;
+
+Mutex door;
+
+void PrintLCD () {
+    
+    int i = 0;
+    while(1){
+        char DataString[16];
+        lcd.Clear();
+        lcd.RowSelect(0);
+        
+        switch (i){
+        case 0:
+            
+            
+            sprintf(DataString,"%.4f", LDR_Value);
+            lcd.Write("Light Level:");
+            i++;
+            break;
+        case 1:
+        
+            
+            sprintf(DataString,"%2.2f", temp_Value);
+            lcd.Write("Temperature:");
+            i++;
+
+            break;
+        
+        case 2:
+         
+            sprintf(DataString,"%4.2f", press_Value);
+            lcd.Write("Pressure:");
+            i =0;
+            break;
+        default:
+            i = 0;
+            break;
+        }
+        
+        lcd.RowSelect(1);
+        lcd.Write(DataString);
+        Thread::wait (5000);
+        }
+}
+    
+
+int main() {
+
+    t1.start(PrintLCD);
+    
+        while(1) {
+        Green_int = 1;
+        
+        
+        door.lock();
+       
+        LDR_Value = LDR_In.read();
+        temp_Value = Sensor.getTemperature();
+        press_Value = Sensor.getPressure();
+        door.unlock();
+        
+        
+        Thread::wait (15000);
+        }
+
+}
+
+/*int main(void){
+
+    float temp = 0;
+    //float pressure = 0;
+    char tempString[16];
+    Sensor->initialize();
+    temp = Sensor->getTemperature();
+    lcd->Clear();
+    lcd->RowSelect(0);
+    lcd->Write("Temperature:");
+    sprintf(tempString,"%f",temp);
+    lcd->RowSelect(1);
+    lcd->Write(tempString);
+    
+    }*/
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.h	Tue Dec 12 17:05:59 2017 +0000
@@ -0,0 +1,30 @@
+#include "LCD.h"
+#include "BMP280.h"
+
+extern LCD lcd;
+extern BMP280 sensor;
+
+
+#define ON 1
+#define OFF 0
+
+/* External LEDs as Open Drain */
+DigitalOut Red_ext      (PE_15); 
+DigitalOut Yellow_ext   (PB_10);
+DigitalOut Green_ext    (PB_11);
+
+/* Configure On-board LEDS */
+DigitalOut Green_int (LED1);
+DigitalOut Blue_int (LED2);
+DigitalOut Red_int (LED3);
+
+/* Configure Digital In Switches */
+DigitalIn SW_L (PE_12);
+DigitalIn SW_R (PE_14);
+
+/* Configure Analogue Pins  */
+/* Analogue IN */
+AnalogIn LDR_In (PA_0);
+
+/* Congfigure Serial interface */
+Serial pc(USBTX, USBRX);
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Tue Dec 12 17:05:59 2017 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#5f6572179d66ce4c09d6517b659ac51133cc980d