Amit Naran / Mbed 2 deprecated ESCBrazil2012

ESC Brazil 2012 Demo

Dependencies:   mbed ID12RFID NokiaLCD

Files at this revision

API Documentation at this revision

Revision 0:4fe41724cceb, committed 2012-06-20

Comitter:
anaran
Date:
Wed Jun 20 15:35:12 2012 +0000
Commit message:

Changed in this revision

ID12RFID.lib Show annotated file Show diff for this revision Revisions of this file
NokiaLCD.lib Show annotated file Show diff for this revision Revisions of this file
SRF08.cpp Show annotated file Show diff for this revision Revisions of this file
SRF08.h Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ID12RFID.lib	Wed Jun 20 15:35:12 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/simon/code/ID12RFID/#f04afa911cf5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NokiaLCD.lib	Wed Jun 20 15:35:12 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/simon/code/NokiaLCD/#2d1b23692cbb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SRF08.cpp	Wed Jun 20 15:35:12 2012 +0000
@@ -0,0 +1,67 @@
+
+/*
+Copyright (c) 2010 Chris Styles ( chris dot styles at mbed dot org )
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include "SRF08.h"
+
+
+SRF08::SRF08(PinName sda, PinName scl, int addr) : m_i2c(sda, scl), m_addr(addr) {
+    char cmd[2];
+    
+// Set up SRF08 max range and receiver sensitivity over I2C bus
+    cmd[0] = 0x02;                          // Range register
+    cmd[1] = 0x1C;                          // Set max range about 100cm
+    m_i2c.write(m_addr, cmd, 2);
+    cmd[0] = 0x01;                          // Receiver gain register
+    cmd[1] = 0x1B;                          // Set max receiver gain
+    m_i2c.write(m_addr, cmd, 2);
+
+}
+
+SRF08::~SRF08() {
+
+}
+
+float SRF08::read() {
+
+    char cmd[2];
+    char echo[2];
+
+
+// Get range data from SRF08
+// Send Tx burst command over I2C bus
+    cmd[0] = 0x00;                      // Command register
+    cmd[1] = 0x51;                      // Ranging results in cm
+    m_i2c.write(m_addr, cmd, 2);          // Send ranging burst
+
+    wait(0.07);                         // Wait for return echo
+
+// Read back range over I2C bus
+    cmd[0] = 0x02;                        // Address of first echo
+    m_i2c.write(m_addr, cmd, 1, 1);         // Send address of first echo
+    m_i2c.read(m_addr, echo, 2);            // Read two-byte echo result
+
+// Generate PWM mark/space ratio from range data
+    float range = (echo[0]<<8)+echo[1];
+
+    return range;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SRF08.h	Wed Jun 20 15:35:12 2012 +0000
@@ -0,0 +1,60 @@
+
+/*
+Copyright (c) 2010 Chris Styles (chris dot styles at mbed dot org)
+ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+ 
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef SRF08_H
+#define SRF08_H
+
+#include "mbed.h"
+
+//!Library for the SRF08 Ultrasonic Ranger
+/*!
+The SRF08 is an Ultrasonic range finder, with an I2C interface that allows the measurement to be read directly in centimetres
+*/
+class SRF08
+{
+public:
+  //!Creates an instance of the class.
+  /*!
+  Connect module at I2C address addr using I2C port pins sda and scl.
+  SRF08
+  */
+  SRF08(PinName sda, PinName scl, int addr);
+  
+  /*!
+  Destroys instance.
+  */ 
+  ~SRF08();
+  
+  //!Reads the current temperature.
+  /*!
+  Reads the temperature register of the TMP102 and converts it to a useable value.
+  */
+  float read();
+  
+private:
+  I2C m_i2c;
+  int m_addr;
+
+};
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jun 20 15:35:12 2012 +0000
@@ -0,0 +1,80 @@
+#include "mbed.h"
+#include "NokiaLCD.h"
+#include "ID12RFID.h"
+#include "SRF08.h"
+
+ID12RFID rfid(p10);             // UART RX
+NokiaLCD lcd(p5, p7, p8, p9);   // mosi, sclk, cs, rst, type
+SRF08 srf08(p28, p27, 0xE0);    // SDA, SCL pin and I2C address
+I2C i2c (p28,p27);              // Setup the I2C interface: sda, scl
+Serial pc (USBTX,USBRX);
+
+AnalogIn pot1(p15);     // Pot1
+AnalogIn pot2(p16);     // Pot2
+AnalogIn pot3(p20);     // Pot3
+
+int main() {
+
+    int i = 0;
+    int id = 0;
+    char stop_led[1] = {'o'};   // BlinkM LED stop command
+    char led_data[4] = {'c', 0x00, 0x00, 0x00};
+
+    // set up the LCD, and draw some bands of colour
+    lcd.foreground(0x000000);
+    lcd.background(0xFFFFFF);
+    lcd.cls();
+    lcd.fill(2, 11, 128, 10, 0xFF0000);
+    lcd.fill(2, 41, 128, 10, 0x00FF00);
+    lcd.fill(2, 61, 128, 10, 0x0000FF);
+
+    // A friendly welcome message
+    lcd.locate(0,3);
+    lcd.printf("ESC Brazil 2012");
+    pc.printf("Welcome to ESC Brazil 2012\n\r");
+    
+    i2c.write(0x00, stop_led, 1);  // Stop previous BlinkM script
+
+    // forever....
+    while (1) {
+
+        // Plot the three potentiometers
+        lcd.pixel(i, 80 + int(pot1.read() * 50), 0xFF0000);
+        lcd.pixel(i, 80 + int(pot2.read() * 50), 0x00FF00);
+        lcd.pixel(i, 80 + int(pot3.read() * 50), 0x0000FF);
+        
+        //Update LED
+        led_data[1] = char(pot1.read()*255);
+        led_data[2] = char(pot2.read()*255);
+        led_data[3] = char(pot3.read()*255);   
+        i2c.write(0x00, led_data, 4);
+   
+
+        // Blank the canvas when we wrap
+        if (i==130) {
+            lcd.fill(0, 80, 130, 50, 0xFFFFFF);
+            i=0;
+        } else {
+            i++;
+        }
+
+        // Check for ID tag, and Process
+        if (rfid.readable()) {
+        
+            id = rfid.read();
+            lcd.locate(0,0);
+            lcd.printf("RFID:%d", id );
+            pc.printf("Tag ID = %d\n\r",id);                                   
+                             
+        }
+
+        // Take and RFIF Reading
+        lcd.locate(0,4);
+        lcd.printf("SRF:%dcm",int(srf08.read()));
+
+        // give the loop a slower tick
+        wait(0.05);
+
+    }
+
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Jun 20 15:35:12 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/737756e0b479