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

Comitter:

anaran

Date:

Wed Jun 20 15:35:12 2012 +0000

Commit message:

Changed in this revision

diff -r 000000000000 -r 4fe41724cceb ID12RFID.lib
--- /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

diff -r 000000000000 -r 4fe41724cceb NokiaLCD.lib
--- /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

diff -r 000000000000 -r 4fe41724cceb SRF08.cpp
--- /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;
+}

diff -r 000000000000 -r 4fe41724cceb SRF08.h
--- /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

diff -r 000000000000 -r 4fe41724cceb main.cpp
--- /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);
+
+    }
+
+}

diff -r 000000000000 -r 4fe41724cceb mbed.bld
--- /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