Revision 5:cf8ae4ca6f2b, committed 2022-04-25

Comitter:

mmcdoanld81

Date:

Mon Apr 25 01:52:31 2022 +0000

Parent:

4:9a4d22a279b3

Commit message:

LAME-Michael McDonald

Changed in this revision

diff -r 9a4d22a279b3 -r cf8ae4ca6f2b MMA8452.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MMA8452.cpp	Mon Apr 25 01:52:31 2022 +0000
@@ -0,0 +1,538 @@
+// Authors: Ashley Mills, Nicholas Herriot
+/* Copyright (c) 2013 Vodafone, MIT License
+ *
+ * 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 "MMA8452.h"
+#include "mbed.h"
+ 
+#ifdef MMA8452_DEBUG
+// you need to define Serial pc(USBTX,USBRX) somewhere for the below line to make sense
+extern Serial pc;
+#define MMA8452_DBG(...) pc.printf(__VA_ARGS__); pc.printf("\r\n");
+#else
+#define MMA8452_DBG(...)
+#endif
+ 
+// Connect module at I2C address using I2C port pins sda and scl
+MMA8452::MMA8452(PinName sda, PinName scl, int frequency) : _i2c(sda, scl) , _frequency(frequency) {
+   MMA8452_DBG("Creating MMA8452");
+   
+   // set I2C frequency
+   _i2c.frequency(_frequency);
+   
+   // setup read and write addresses for convenience
+   _readAddress   = MMA8452_ADDRESS | 0x01;
+   _writeAddress  = MMA8452_ADDRESS & 0xFE;
+   
+   // set some defaults
+   _bitDepth = BIT_DEPTH_UNKNOWN;
+   setBitDepth(BIT_DEPTH_12);
+   _dynamicRange = DYNAMIC_RANGE_UNKNOWN;
+   setDynamicRange(DYNAMIC_RANGE_2G);
+   
+   MMA8452_DBG("Done");
+}
+ 
+ 
+// Destroys instance
+MMA8452::~MMA8452() {}
+ 
+// Setting the control register bit 1 to true to activate the MMA8452
+int MMA8452::activate() {
+    // perform write and return error code
+    return logicalORRegister(MMA8452_CTRL_REG_1,MMA8452_ACTIVE_MASK);
+}
+ 
+// Setting the control register bit 1 to 0 to standby the MMA8452
+int MMA8452::standby() {
+    // perform write and return error code
+    return logicalANDRegister(MMA8452_CTRL_REG_1,MMA8452_STANDBY_MASK);
+}
+ 
+// this reads a register, applies a bitmask with logical AND, sets a value with logical OR,
+// and optionally goes into and out of standby at the beginning and end of the function respectively
+int MMA8452::maskAndApplyRegister(char reg, char mask, char value, int toggleActivation) {
+   if(toggleActivation) {
+       if(standby()) {
+          return 1;
+       }
+   }
+   
+   // read from register
+   char oldValue = 0;
+   if(readRegister(reg,&oldValue)) {
+      return 1;
+   }
+   
+   // apply bitmask
+   oldValue &= mask;
+   
+   // set value
+   oldValue |= value;
+   
+   // write back to register
+   if(writeRegister(reg,oldValue)) {
+      return 1;
+   }
+   
+   if(toggleActivation) {
+       if(activate()) {
+          return 1;
+       }
+   }
+   return 0;
+}
+ 
+int MMA8452::setDynamicRange(DynamicRange range, int toggleActivation) {
+   _dynamicRange = range;
+   return maskAndApplyRegister(
+      MMA8452_XYZ_DATA_CFG,
+      MMA8452_DYNAMIC_RANGE_MASK,
+      range,
+      toggleActivation
+   );
+}
+ 
+int MMA8452::setDataRate(DataRateHz dataRate, int toggleActivation) {
+   return maskAndApplyRegister(
+       MMA8452_CTRL_REG_1,
+       MMA8452_DATA_RATE_MASK,
+       dataRate<<MMA8452_DATA_RATE_MASK_SHIFT,
+       toggleActivation
+   );
+}
+ 
+int MMA8452::setBitDepth(BitDepth depth,int toggleActivation) {
+   _bitDepth = depth;
+   return maskAndApplyRegister(
+      MMA8452_CTRL_REG_1,
+      MMA8452_BIT_DEPTH_MASK,
+      depth<<MMA8452_BIT_DEPTH_MASK_SHIFT,
+      toggleActivation
+   );
+}
+ 
+char MMA8452::getMaskedRegister(int addr, char mask) {
+   char rval = 0;
+   if(readRegister(addr,&rval)) {
+      return 0;
+   }
+   return (rval&mask);
+}
+ 
+int MMA8452::isXYZReady() {
+   return getMaskedRegister(MMA8452_STATUS,MMA8452_STATUS_ZYXDR_MASK)>0;
+}
+ 
+int MMA8452::isXReady() {
+   return getMaskedRegister(MMA8452_STATUS,MMA8452_STATUS_XDR_MASK)>0;
+}
+ 
+int MMA8452::isYReady() {
+   return getMaskedRegister(MMA8452_STATUS,MMA8452_STATUS_YDR_MASK)>0;
+}
+ 
+int MMA8452::isZReady() {
+   return getMaskedRegister(MMA8452_STATUS,MMA8452_STATUS_ZDR_MASK)>0;
+}
+ 
+ 
+int MMA8452::getDeviceID(char *dst) {
+   return readRegister(MMA8452_WHO_AM_I,dst);
+}
+ 
+int MMA8452::getStatus(char* dst) {
+   return readRegister(MMA8452_STATUS,dst);
+}
+ 
+MMA8452::DynamicRange MMA8452::getDynamicRange() {
+   char rval = 0;
+   if(readRegister(MMA8452_XYZ_DATA_CFG,&rval)) {
+      return MMA8452::DYNAMIC_RANGE_UNKNOWN;
+   }
+   rval &= (MMA8452_DYNAMIC_RANGE_MASK^0xFF);
+   return (MMA8452::DynamicRange)rval;
+}
+ 
+MMA8452::DataRateHz MMA8452::getDataRate() {
+   char rval = 0;
+   if(readRegister(MMA8452_CTRL_REG_1,&rval)) {
+      return MMA8452::RATE_UNKNOWN;
+   }
+   // logical AND with inverse of mask
+   rval = rval&(MMA8452_DATA_RATE_MASK^0xFF);
+   // shift back into position
+   rval >>= MMA8452_DATA_RATE_MASK_SHIFT;
+   return (MMA8452::DataRateHz)rval;
+}
+ 
+// Reads xyz
+int MMA8452::readXYZRaw(char *dst) {
+   if(_bitDepth==BIT_DEPTH_UNKNOWN) {
+      return 1;
+   }
+   int readLen = 3;
+   if(_bitDepth==BIT_DEPTH_12) {
+      readLen = 6;
+   }
+   return readRegister(MMA8452_OUT_X_MSB,dst,readLen);
+}
+ 
+int MMA8452::readXRaw(char *dst) {
+   if(_bitDepth==BIT_DEPTH_UNKNOWN) {
+      return 1;
+   }
+   int readLen = 1;
+   if(_bitDepth==BIT_DEPTH_12) {
+      readLen = 2;
+   }
+   return readRegister(MMA8452_OUT_X_MSB,dst,readLen);
+}
+ 
+int MMA8452::readYRaw(char *dst) {
+   if(_bitDepth==BIT_DEPTH_UNKNOWN) {
+      return 1;
+   }
+   int readLen = 1;
+   if(_bitDepth==BIT_DEPTH_12) {
+      readLen = 2;
+   }
+   return readRegister(MMA8452_OUT_Y_MSB,dst,readLen);
+}
+ 
+int MMA8452::readZRaw(char *dst) {
+   if(_bitDepth==BIT_DEPTH_UNKNOWN) {
+      return 1;
+   }
+   int readLen = 1;
+   if(_bitDepth==BIT_DEPTH_12) {
+      readLen = 2;
+   }
+   return readRegister(MMA8452_OUT_Z_MSB,dst,readLen);
+}
+ 
+int MMA8452::readXYZCounts(int *x, int *y, int *z) {
+   char buf[6];
+   if(readXYZRaw((char*)&buf)) {
+       return 1;
+   }
+   if(_bitDepth==BIT_DEPTH_12) {
+     *x = twelveBitToSigned(&buf[0]);
+     *y = twelveBitToSigned(&buf[2]);
+     *z = twelveBitToSigned(&buf[4]);
+   } else {
+     *x = eightBitToSigned(&buf[0]);
+     *y = eightBitToSigned(&buf[1]);
+     *z = eightBitToSigned(&buf[2]);
+   }
+   
+   return 0;
+}
+ 
+int MMA8452::readXCount(int *x) {
+   char buf[2];
+   if(readXRaw((char*)&buf)) {
+       return 1;
+   }
+   if(_bitDepth==BIT_DEPTH_12) {
+     *x = twelveBitToSigned(&buf[0]);
+   } else {
+     *x = eightBitToSigned(&buf[0]);
+   }
+   return 0;
+}
+ 
+int MMA8452::readYCount(int *y) {
+   char buf[2];
+   if(readYRaw((char*)&buf)) {
+       return 1;
+   }
+   if(_bitDepth==BIT_DEPTH_12) {
+     *y = twelveBitToSigned(&buf[0]);
+   } else {
+     *y = eightBitToSigned(&buf[0]);
+   }
+   return 0;
+}
+ 
+int MMA8452::readZCount(int *z) {
+   char buf[2];
+   if(readZRaw((char*)&buf)) {
+       return 1;
+   }
+   if(_bitDepth==BIT_DEPTH_12) {
+     *z = twelveBitToSigned(&buf[0]);
+   } else {
+     *z = eightBitToSigned(&buf[0]);
+   }
+   return 0;
+}
+ 
+double MMA8452::convertCountToGravity(int count, int countsPerG) {
+   return (double)count/(double)countsPerG;
+}
+ 
+int MMA8452::getCountsPerG() {
+ // assume starting with DYNAMIC_RANGE_2G and BIT_DEPTH_12
+   int countsPerG = 1024;
+   if(_bitDepth==BIT_DEPTH_8) {
+      countsPerG = 64;
+   }
+   switch(_dynamicRange) {
+      case DYNAMIC_RANGE_4G:
+         countsPerG /= 2;
+      break;
+      case DYNAMIC_RANGE_8G:
+         countsPerG /= 4;
+      break;
+   }
+   return countsPerG;
+}
+ 
+int MMA8452::readXYZGravity(double *x, double *y, double *z) {
+   int xCount = 0, yCount = 0, zCount = 0;
+   if(readXYZCounts(&xCount,&yCount,&zCount)) {
+      return 1;
+   }
+   int countsPerG = getCountsPerG();
+   
+   *x = convertCountToGravity(xCount,countsPerG);
+   *y = convertCountToGravity(yCount,countsPerG);
+   *z = convertCountToGravity(zCount,countsPerG);
+   return 0;
+}
+ 
+int MMA8452::readXGravity(double *x) {
+   int xCount = 0;
+   if(readXCount(&xCount)) {
+      return 1;
+   }
+   int countsPerG = getCountsPerG();
+   
+   *x = convertCountToGravity(xCount,countsPerG);
+   return 0;
+}
+ 
+int MMA8452::readYGravity(double *y) {
+   int yCount = 0;
+   if(readYCount(&yCount)) {
+      return 1;
+   }
+   int countsPerG = getCountsPerG();
+   
+   *y = convertCountToGravity(yCount,countsPerG);
+   return 0;
+}
+ 
+int MMA8452::readZGravity(double *z) {
+   int zCount = 0;
+   if(readZCount(&zCount)) {
+      return 1;
+   }
+   int countsPerG = getCountsPerG();
+   
+   *z = convertCountToGravity(zCount,countsPerG);
+   return 0;
+}
+ 
+// apply an AND mask to a register. read register value, apply mask, write it back
+int MMA8452::logicalANDRegister(char addr, char mask) {
+   char value = 0;
+   // read register value
+   if(readRegister(addr,&value)) {
+      return 0;
+   }
+   // apply mask
+   value &= mask;
+   return writeRegister(addr,value);
+}
+ 
+ 
+// apply an OR mask to a register. read register value, apply mask, write it back
+int MMA8452::logicalORRegister(char addr, char mask) {
+   char value = 0;
+   // read register value
+   if(readRegister(addr,&value)) {
+      return 0;
+   }
+   // apply mask
+   value |= mask;
+   return writeRegister(addr,value);
+}
+ 
+// apply an OR mask to a register. read register value, apply mask, write it back
+int MMA8452::logicalXORRegister(char addr, char mask) {
+   char value = 0;
+   // read register value
+   if(readRegister(addr,&value)) {
+      return 0;
+   }
+   // apply mask
+   value ^= mask;
+   return writeRegister(addr,value);
+}
+ 
+// Write register (The device must be placed in Standby Mode to change the value of the registers) 
+int MMA8452::writeRegister(char addr, char data) {
+    // what this actually does is the following
+    // 1. tell I2C bus to start transaction
+    // 2. tell slave we want to write (slave address & write flag)
+    // 3. send the write address
+    // 4. send the data to write
+    // 5. tell I2C bus to end transaction
+ 
+    // we can wrap this up in the I2C library write function
+    char buf[2] = {0,0};
+    buf[0] = addr;
+    buf[1] = data;
+    return _i2c.write(MMA8452_ADDRESS, buf,2);
+    // note, could also do return writeRegister(addr,&data,1);
+}
+ 
+int MMA8452::eightBitToSigned(char *buf) {
+   return (int8_t)*buf;
+}
+ 
+int MMA8452::twelveBitToSigned(char *buf) {
+   // cheat by using the int16_t internal type
+   // all we need to do is convert to little-endian format and shift right
+   int16_t x = 0;
+   ((char*)&x)[1] = buf[0];
+   ((char*)&x)[0] = buf[1];
+   // note this only works because the below is an arithmetic right shift
+   return x>>4; 
+}
+ 
+int MMA8452::writeRegister(char addr, char *data, int nbytes) {
+    // writing multiple bytes is a little bit annoying because
+    // the I2C library doesn't support sending the address separately
+    // so we just do it manually
+    
+    // 1. tell I2C bus to start transaction
+    _i2c.start();
+    // 2. tell slave we want to write (slave address & write flag)
+    if(_i2c.write(_writeAddress)!=1) {
+       return 1;
+    }
+    // 3. send the write address
+    if(_i2c.write(addr)!=1) {
+       return 1;
+    }
+    // 4. send the data to write
+    for(int i=0; i<nbytes; i++) {
+       if(_i2c.write(data[i])!=1) {
+          return 1;
+       }
+    }
+    // 5. tell I2C bus to end transaction
+    _i2c.stop();
+    return 0;
+}
+ 
+int MMA8452::readRegister(char addr, char *dst, int nbytes) {
+    // this is a bit odd, but basically proceeds like this
+    // 1. Send a start command
+    // 2. Tell the slave we want to write (slave address & write flag)
+    // 3. Send the address of the register (addr)
+    // 4. Send another start command to delineate read portion
+    // 5. Tell the slave we want to read (slave address & read flag)
+    // 6. Read the register value bytes
+    // 7. Send a stop command
+    
+    // we can wrap this process in the I2C library read and write commands
+    if(_i2c.write(MMA8452_ADDRESS,&addr,1,true)) {
+       return 1;
+    }
+    return _i2c.read(MMA8452_ADDRESS,dst,nbytes);
+}
+ 
+// most registers are 1 byte, so here is a convenience function
+int MMA8452::readRegister(char addr, char *dst) {
+    return readRegister(addr,dst,1);
+}
+ 
+MMA8452::BitDepth MMA8452::getBitDepth() {
+   return _bitDepth;
+}
+ 
+#ifdef MMA8452_DEBUG
+void MMA8452::debugRegister(char reg) {
+   // get register value
+   char v = 0;
+   if(readRegister(reg,&v)) {
+      MMA8452_DBG("Error reading specified register");
+      return;
+   }
+   // print out details
+   switch(reg) {
+      case MMA8452_CTRL_REG_1:
+         MMA8452_DBG("CTRL_REG_1 has value: 0x%x",v);
+         MMA8452_DBG(" 7  ALSP_RATE_1: %d",(v&0x80)>>7);
+         MMA8452_DBG(" 6  ALSP_RATE_0: %d",(v&0x40)>>6);
+         MMA8452_DBG(" 5  DR2: %d",        (v&0x20)>>5);
+         MMA8452_DBG(" 4  DR1: %d",        (v&0x10)>>4);
+         MMA8452_DBG(" 3  DR0: %d",        (v&0x08)>>3);
+         MMA8452_DBG(" 2  LNOISE: %d",     (v&0x04)>>2);
+         MMA8452_DBG(" 1  FREAD: %d",      (v&0x02)>>1);
+         MMA8452_DBG(" 0  ACTIVE: %d",     (v&0x01));
+      break;
+        
+      case MMA8452_XYZ_DATA_CFG:
+         MMA8452_DBG("XYZ_DATA_CFG has value: 0x%x",v);
+         MMA8452_DBG(" 7  Unused: %d", (v&0x80)>>7);
+         MMA8452_DBG(" 6  0: %d",      (v&0x40)>>6);
+         MMA8452_DBG(" 5  0: %d",      (v&0x20)>>5);
+         MMA8452_DBG(" 4  HPF_Out: %d",(v&0x10)>>4);
+         MMA8452_DBG(" 3  0: %d",      (v&0x08)>>3);
+         MMA8452_DBG(" 2  0: %d",      (v&0x04)>>2);
+         MMA8452_DBG(" 1  FS1: %d",    (v&0x02)>>1);
+         MMA8452_DBG(" 0  FS0: %d",    (v&0x01));
+         switch(v&0x03) {
+            case 0:
+               MMA8452_DBG("Dynamic range: 2G");
+            break;
+            case 1:
+               MMA8452_DBG("Dynamic range: 4G");
+            break;
+            case 2:
+               MMA8452_DBG("Dynamic range: 8G");
+            break;
+            default:
+               MMA8452_DBG("Unknown dynamic range");
+            break;
+         }
+      break;
+      
+      case MMA8452_STATUS:
+         MMA8452_DBG("STATUS has value: 0x%x",v);
+         MMA8452_DBG(" 7  ZYXOW: %d",(v&0x80)>>7);
+         MMA8452_DBG(" 6  ZOW: %d",  (v&0x40)>>6);
+         MMA8452_DBG(" 5  YOW: %d",  (v&0x20)>>5);
+         MMA8452_DBG(" 4  XOW: %d",  (v&0x10)>>4);
+         MMA8452_DBG(" 3  ZYXDR: %d",(v&0x08)>>3);
+         MMA8452_DBG(" 2  ZDR: %d",  (v&0x04)>>2);
+         MMA8452_DBG(" 1  YDR: %d",  (v&0x02)>>1);
+         MMA8452_DBG(" 0  XDR: %d",  (v&0x01));
+      break;
+      
+      default:
+         MMA8452_DBG("Unknown register address: 0x%x",reg);
+      break;
+   }
+}
+#endif
\ No newline at end of file

diff -r 9a4d22a279b3 -r cf8ae4ca6f2b MMA8452.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MMA8452.h	Mon Apr 25 01:52:31 2022 +0000
@@ -0,0 +1,344 @@
+#pragma once
+ 
+// Authors: Ashley Mills, Nicholas Herriot
+/* Copyright (c) 2013 Vodafone, MIT License
+ *
+ * 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.
+ */
+ 
+// the SparkFun breakout board defaults to 1, set to 0 if SA0 jumper on the bottom of the board is set
+// see the Table 10. I2C Device Address Sequence in Freescale MMA8452Q pdf
+ 
+#include "mbed.h" 
+ 
+#define MMA8452_DEBUG 1
+ 
+// More info on MCU Master address can be found on section 5.10.1 of http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MMA8452Q
+#define SA0 1
+#if SA0
+  #define MMA8452_ADDRESS 0x3A // 0x1D<<1  // SA0 is high, 0x1C if low - 
+#else
+  #define MMA8452_ADDRESS 0x38 // 0x1C<<1
+#endif
+ 
+// Register descriptions found in section 6 of pdf
+#define MMA8452_STATUS 0x00        // Type 'read' : Status of the data registers
+#define MMA8452_OUT_X_MSB 0x01     // Type 'read' : x axis - MSB of 2 byte sample
+#define MMA8452_OUT_X_LSB 0x02     // Type 'read' : x axis - LSB of 2 byte sample
+#define MMA8452_OUT_Y_MSB 0x03     // Type 'read' : y axis - MSB of 2 byte sample
+#define MMA8452_OUT_Y_LSB 0x04     // Type 'read' : y axis - LSB of 2 byte sample
+#define MMA8452_OUT_Z_MSB 0x05     // Type 'read' : z axis - MSB of 2 byte sample
+#define MMA8452_OUT_Z_LSB 0x06     // Type 'read' : z axis - LSB of 2 byte sample
+ 
+// register definitions
+#define MMA8452_XYZ_DATA_CFG 0x0E
+ 
+#define MMA8452_SYSMOD 0x0B        // Type 'read' : This tells you if device is active, sleep or standy 0x00=STANDBY 0x01=WAKE 0x02=SLEEP
+#define MMA8452_WHO_AM_I 0x0D      // Type 'read' : This should return the device id of 0x2A
+ 
+#define MMA8452_PL_STATUS 0x10     // Type 'read' : This shows portrait landscape mode orientation
+#define MMA8452_PL_CFG 0x11        // Type 'read/write' : This allows portrait landscape configuration
+#define MMA8452_PL_COUNT 0x12      // Type 'read' : This is the portraint landscape debounce counter
+#define MMA8452_PL_BF_ZCOMP 0x13   // Type 'read' :
+#define MMA8452_PL_THS_REG 0x14    // Type 'read' :
+ 
+#define MMA8452_FF_MT_CFG 0X15     // Type 'read/write' : Freefaul motion functional block configuration
+#define MMA8452_FF_MT_SRC 0X16     // Type 'read' : Freefaul motion event source register
+#define MMA8452_FF_MT_THS 0X17     // Type 'read' : Freefaul motion threshold register
+#define MMA8452_FF_COUNT 0X18      // Type 'read' : Freefaul motion debouce counter
+ 
+#define MMA8452_ASLP_COUNT 0x29    // Type 'read/write' : Counter settings for auto sleep
+#define MMA8452_CTRL_REG_1 0x2A    // Type 'read/write' :
+#define MMA8452_CTRL_REG_2 0x2B    // Type 'read/write' :
+#define MMA8452_CTRL_REG_3 0x2C    // Type 'read/write' :
+#define MMA8452_CTRL_REG_4 0x2D    // Type 'read/write' :
+#define MMA8452_CTRL_REG_5 0x2E    // Type 'read/write' :
+ 
+// Defined in table 13 of the Freescale PDF
+/// xxx these all need to have better names
+#define STANDBY 0x00                        // State value returned after a SYSMOD request, it can be in state STANDBY, WAKE or SLEEP
+#define WAKE 0x01                           // State value returned after a SYSMOD request, it can be in state STANDBY, WAKE or SLEEP
+#define SLEEP 0x02                          // State value returned after a SYSMOD request, it can be in state STANDBY, WAKE or SLEEP
+#define ACTIVE 0x01                         // Stage value returned and set in Control Register 1, it can be STANDBY=00, or ACTIVE=01
+ 
+#define TILT_STATUS 0x03        // Tilt Status (Read only)
+#define SRST_STATUS 0x04        // Sample Rate Status Register (Read only)
+#define SPCNT_STATUS 0x05       // Sleep Count Register (Read/Write)
+#define INTSU_STATUS 0x06       // Interrupt Setup Register
+#define MODE_STATUS 0x07        // Mode Register (Read/Write)
+#define SR_STATUS 0x08          // Auto-Wake and Active Mode Portrait/Landscape Samples per Seconds Register (Read/Write)
+#define PDET_STATUS 0x09        // Tap/Pulse Detection Register (Read/Write)
+#define PD_STATUS 0xA           // Tap/Pulse Debounce Count Register (Read/Write)
+ 
+// masks for enabling/disabling standby
+#define MMA8452_ACTIVE_MASK 0x01
+#define MMA8452_STANDBY_MASK 0xFE
+ 
+// mask for dynamic range reading and writing
+#define MMA8452_DYNAMIC_RANGE_MASK 0xFC
+ 
+// mask and shift for data rate reading and writing
+#define MMA8452_DATA_RATE_MASK 0xC7
+#define MMA8452_DATA_RATE_MASK_SHIFT 0x03
+ 
+// mask and shift for general reading and writing
+#define MMA8452_WRITE_MASK 0xFE
+#define MMA8452_READ_MASK 0x01
+ 
+// mask and shift for bit depth reading and writing
+#define MMA8452_BIT_DEPTH_MASK 0xFD
+#define MMA8452_BIT_DEPTH_MASK_SHIFT 0x01
+ 
+// status masks and shifts
+#define MMA8452_STATUS_ZYXDR_MASK 0x08
+#define MMA8452_STATUS_ZDR_MASK 0x04
+#define MMA8452_STATUS_YDR_MASK 0x02
+#define MMA8452_STATUS_XDR_MASK 0x01
+ 
+/**
+ * Wrapper for the MMA8452 I2C driven accelerometer.
+ */
+class MMA8452 {
+            
+    public:
+    
+       enum DynamicRange {
+           DYNAMIC_RANGE_2G=0x00,
+           DYNAMIC_RANGE_4G,
+           DYNAMIC_RANGE_8G,
+           DYNAMIC_RANGE_UNKNOWN
+       };
+        
+       enum BitDepth {
+           BIT_DEPTH_12=0x00,
+           BIT_DEPTH_8, // 1 sets fast read mode, hence the inversion
+           BIT_DEPTH_UNKNOWN
+       };
+       
+       enum DataRateHz {
+          RATE_800=0x00,
+          RATE_400,
+          RATE_200,
+          RATE_100,
+          RATE_50,
+          RATE_12_5,
+          RATE_6_25,
+          RATE_1_563,
+          RATE_UNKNOWN
+       };
+         
+       /**
+        * Create an accelerometer object connected to the specified I2C pins.
+        *
+        * @param sda I2C data port
+        * @param scl I2C clock port
+        * @param frequency 
+        * 
+        */ 
+      MMA8452(PinName sda, PinName scl, int frequency);
+       
+      /// Destructor
+      ~MMA8452();
+      
+      /**
+       * Puts the MMA8452 in active mode.
+       * @return 0 on success, 1 on failure.
+       */
+      int activate();
+ 
+      /**
+       * Puts the MMA8452 in standby.
+       * @return 0 on success, 1 on failure.
+       */
+      int standby();      
+    
+       /**
+        * Read the device ID from the accelerometer (should be 0x2a)
+        *
+        * @param dst pointer to store the ID
+        * @return 0 on success, 1 on failure.
+        */        
+      int getDeviceID(char* dst);  
+      
+      /**
+       * Read the MMA8452 status register.
+       *
+       * @param dst pointer to store the register value.
+       * @ return 0 on success, 1 on failure.
+       */
+      int getStatus(char* dst);  
+      
+      /** 
+       * Read the raw x, y, an z registers of the MMA8452 in one operation.
+       * All three registers are read sequentially and stored in the provided buffer.
+       * The stored values are signed 2's complement left-aligned 12 or 8 bit integers.
+       *
+       * @param dst The destination buffer. Note that this needs to be 3 bytes for
+       * BIT_DEPTH_8 and 6 bytes for BIT_DEPTH_12. It is upto the caller to ensure this.
+       * @return 0 for success, and 1 for failure
+       * @sa setBitDepth
+       */ 
+      int readXYZRaw(char *dst);
+      
+      /// Read the raw x register into the provided buffer. @sa readXYZRaw
+      int readXRaw(char *dst);
+      /// Read the raw y register into the provided buffer. @sa readXYZRaw
+      int readYRaw(char *dst);
+      /// Read the raw z register into the provided buffer. @sa readXYZRaw
+      int readZRaw(char *dst);
+      
+      /**
+       * Read the x, y, and z signed counts of the MMA8452 axes.
+       * 
+       * Count resolution is either 8 bits or 12 bits, and the range is either +-2G, +-4G, or +-8G
+       * depending on settings. The number of counts per G are 1024, 512, 256 for 2,4, and 8 G
+       * respectively at 12 bit resolution and 64, 32, 16 for 2, 4, and 8 G respectively at
+       * 8 bit resolution.
+       * 
+       * This function queries the MMA8452 and returns the signed counts for each axes.
+       *
+       * @param x Pointer to integer to store x count
+       * @param y Pointer to integer to store y count
+       * @param z Pointer to integer to store z count
+       * @return 0 on success, 1 on failure.
+       */
+      int readXYZCounts(int *x, int *y, int *z);
+      
+      /// Read the x axes signed count. @sa readXYZCounts
+      int readXCount(int *x);
+      /// Read the y axes signed count. @sa readXYZCounts
+      int readYCount(int *y);
+      /// Read the z axes signed count. @sa readXYZCounts
+      int readZCount(int *z);
+      
+      /**
+       * Read the x, y, and z accelerations measured in G.
+       *
+       * The measurement resolution is controlled via setBitDepth which can
+       * be 8 or 12, and by setDynamicRange, which can be +-2G, +-4G, or +-8G.
+       *
+       * @param x A pointer to the double to store the x acceleration in.
+       * @param y A pointer to the double to store the y acceleration in.
+       * @param z A pointer to the double to store the z acceleration in.
+       *
+       * @return 0 on success, 1 on failure.
+       */
+      int readXYZGravity(double *x, double *y, double *z);
+      
+      /// Read the x gravity in G into the provided double pointer. @sa readXYZGravity
+      int readXGravity(double *x);
+      /// Read the y gravity in G into the provided double pointer. @sa readXYZGravity
+      int readYGravity(double *y);
+      /// Read the z gravity in G into the provided double pointer. @sa readXYZGravity
+      int readZGravity(double *z);
+      
+      /// Returns 1 if data has been internally sampled (is available) for all axes since last read, 0 otherwise.
+      int isXYZReady();
+      /// Returns 1 if data has been internally sampled (is available) for the x-axis since last read, 0 otherwise.
+      int isXReady();
+      /// Returns 1 if data has been internally sampled (is available) for the y-axis since last read, 0 otherwise.
+      int isYReady();
+      /// Returns 1 if data has been internally sampled (is available) for the z-axis since last read, 0 otherwise.
+      int isZReady();
+            
+      /** 
+       * Reads a single byte from the specified MMA8452 register.
+       *
+       * @param addr The internal register address.
+       * @param dst The destination buffer address.
+       * @return 1 on success, 0 on failure.
+       */
+      int readRegister(char addr, char *dst);
+      
+      /** 
+       * Reads n bytes from the specified MMA8452 register.
+       *
+       * @param addr The internal register address.
+       * @param dst The destination buffer address.
+       * @param nbytes The number of bytes to read.
+       * @return 1 on success, 0 on failure.
+       */
+      int readRegister(char addr, char *dst, int nbytes);
+        
+       /** 
+        * Write to the specified MMA8452 register.
+        *
+        * @param addr The internal register address
+        * @param data Data byte to write
+        */    
+      int writeRegister(char addr, char data);
+      
+       /** 
+        * Write a data buffer to the specified MMA8452 register.
+        *
+        * @param addr The internal register address
+        * @param data Pointer to data buffer to write
+        * @param nbytes The length of the data buffer to write
+        */    
+      int writeRegister(char addr, char *data, int nbytes);
+      
+      int setDynamicRange(DynamicRange range, int toggleActivation=1);
+      int setBitDepth(BitDepth depth, int toggleActivation=1);
+      int setDataRate(DataRateHz dataRate, int toggleActivation=1);
+      
+      DynamicRange getDynamicRange();
+      DataRateHz getDataRate();
+      BitDepth getBitDepth();
+      
+      #ifdef MMA8452_DEBUG
+      void debugRegister(char reg);
+      #endif
+   
+    private:
+      /**
+       * Reads the specified register, applies the mask with logical AND, logical ORs the value
+       * and writes back the result to the register. If toggleActivation is set to true then the
+       * device is put in standby before the operation, and activated at the end.
+       * Setting it to false is useful for setting options on a device that you want to keep in
+       * standby.
+       */
+      int maskAndApplyRegister(char reg, char mask, char value, int toggleActivation);
+      
+      /// Reads the specified register, applies the mask with logical AND, and writes the result back.
+      int logicalANDRegister(char addr, char mask);
+      /// Reads the specified register, applies the mask with logical OR, and writes the result back.
+      int logicalORRegister(char addr, char mask);
+      /// Reads the specified register, applies the mask with logical XOR, and writes the result back.
+      int logicalXORRegister(char addr, char mask);
+      
+      /// Converts the 12-bit two's complement number in buf to a signed integer. Returns the integer.
+      int twelveBitToSigned(char *buf);
+      /// Converts the 8-bit two's complement number in buf to a signed integer. Returns the integer.
+      int eightBitToSigned(char *buf);
+      
+      /// Converts a count to a gravity using the supplied countsPerG. Returns the gravity.
+      double convertCountToGravity(int count, int countsPerG);
+      
+      /// Reads the register at addr, applies the mask with logical AND, and returns the result.
+      char getMaskedRegister(int addr, char mask);
+      
+      /// Get the counts per G for the current settings of bit depth and dynamic range.
+      int getCountsPerG();
+    
+      I2C _i2c;
+      int _frequency;
+      int _readAddress;
+      int _writeAddress;
+      
+      BitDepth _bitDepth;
+      DynamicRange _dynamicRange;       
+};
+            
\ No newline at end of file

diff -r 9a4d22a279b3 -r cf8ae4ca6f2b lame.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lame.cc	Mon Apr 25 01:52:31 2022 +0000
@@ -0,0 +1,215 @@
+#include "mbed.h"
+#include "uLCD_4DGL.h"
+#include "PinDetect.h"
+#include "Speaker.h"
+#include "MMA8452.h"
+#include "lame.h"
+#include "sprites.h"
+
+
+void ScreenObject::changexPos(int input) {
+    if (xPosition < 110 && direction == true)   {
+        xPosition += input;
+        if (xPosition >= 110)   {
+            direction = false;
+            xPosition = 109;
+        }
+    }
+    else if (xPosition < 110 && direction == false) {
+        xPosition -= input;
+        if (xPosition <= 10)    {
+            direction = true;
+            xPosition = 11;
+        }
+    }
+}
+//Clears the screen using the clear sprite, very useful cuz im lazy
+void ScreenObject::clearScreen(uLCD_4DGL& input)    {
+    input.BLIT(xPosition, yPosition, 15, 8, clear_sprite);
+    xPosition = 1;
+    yPosition = 1;
+}
+
+//Implementation of setters and getters!
+void ScreenObject::setxPosition(int input) { 
+        xPosition = input; 
+}
+
+void ScreenObject::setyPosition(int input) { 
+        yPosition = input; 
+}
+
+void ScreenObject::setDirec(bool input) {
+        direction = input;
+}
+
+void ScreenObject::setHit(bool input){ 
+        hit = input;
+}
+
+bool ScreenObject::getHit(){ 
+        return hit;
+}
+
+int ScreenObject::getxPosition() { 
+        return xPosition; 
+}
+
+int ScreenObject::getyPosition() { 
+        return yPosition; 
+}
+
+//---Ship---
+Ship::Ship() {
+    setxPosition(64);
+    setyPosition(110);
+}
+
+void Ship::draw(uLCD_4DGL& input)   {
+    input.BLIT(getxPosition(), getyPosition(), 27, 8, ship_sprite);
+}
+
+void Ship::update(uLCD_4DGL& input) {
+    input.BLIT(getxPosition(), getyPosition(), 27, 8, ship_sprite);
+}
+
+void Ship::moveRight() {
+    if (getxPosition() < 100)
+    {
+        setxPosition(getxPosition()+ 2);
+    }
+}
+
+void Ship::moveLeft() {
+    if (getxPosition() > 10)
+    {
+        setxPosition(getxPosition()- 2);
+    }
+}
+
+
+//---Bullet---
+Bullet::Bullet(): oneBullet(false) { }
+
+void Bullet::draw(uLCD_4DGL& input){ 
+    input.BLIT(getxPosition(), getyPosition(), 1, 3, bullet_sprite);
+    }
+void Bullet::update(uLCD_4DGL& input){ 
+    if (getyPosition() >= 4 && oneBullet == true) {
+        setyPosition(getyPosition() - 2);
+        input.BLIT(getxPosition(), getyPosition() + 2, 1, 3, nobullet_sprite);
+        input.BLIT(getxPosition(), getyPosition(), 1, 3, bullet_sprite);
+        if (getyPosition() < 4) {
+            input.BLIT(getxPosition(), getyPosition(), 1, 3, nobullet_sprite);
+            oneBullet = false;
+        }
+    }
+}
+
+void Bullet::fireBullet(Ship &input1, uLCD_4DGL& input2) {
+    setxPosition(input1.getxPosition()+ 8);
+    setyPosition(input1.getyPosition() - 4);
+    draw(input2); 
+}
+
+void Bullet::setBullet(bool input){
+     oneBullet = input;
+}
+
+bool Bullet::getBullet(){ 
+     return oneBullet;
+}
+
+int Bullet::getxBullet() {
+     return getxPosition();
+}
+
+int Bullet::getyBullet() { 
+     return getyPosition();
+}
+
+bool Bullet::hitTest(ScreenObject& input) {
+    setHit(((getxBullet() >= (input.getxPosition()-7)) && (getxBullet() <= (input.getxPosition() + 7)) 
+    && (getyBullet() >= (input.getyPosition()-5))
+    && (getyBullet() <= (input.getyPosition() + 5))));
+    return getHit(); //this guy was hit
+}
+
+//---Alice---
+AlienAlice::AlienAlice(int input) {
+    setxPosition(1 + rand() % 110);
+    setyPosition((10+10*(input-1)) + rand() % 2);
+    setDirec(true);
+}
+
+void AlienAlice::draw(uLCD_4DGL& input) {
+    input.BLIT(getxPosition(), getyPosition(), 15, 8, alienAlice_sprite);
+}
+
+void AlienAlice::update(uLCD_4DGL& input) {
+    changexPos(2);
+    input.BLIT(getxPosition(), getyPosition(), 15, 8, alienAlice_sprite);
+}
+
+
+//---Bob---
+AlienBob::AlienBob(int input) {
+    setxPosition(1 + rand() % 110);
+    setyPosition((10+10*(input-1)) + rand() % 2);
+    setDirec(true);
+}
+
+void AlienBob::draw(uLCD_4DGL& input) {
+    input.BLIT(getxPosition(), getyPosition(), 15, 8, alienBobUp_sprite);
+}
+
+void AlienBob::update(uLCD_4DGL& input) {
+    changexPos(1);
+    int res = getxPosition() % 2;
+    switch(res)
+    {
+        case(0):
+        {
+            input.BLIT(getxPosition(), getyPosition(), 15, 8, alienBobDown_sprite);
+            break;
+        }
+        case(1):
+        {
+            input.BLIT(getxPosition(), getyPosition(), 15, 8, alienBobUp_sprite);
+            break;
+        }
+    }
+}
+
+//---Jeff---
+AlienJeff::AlienJeff(int input) {
+    setxPosition(1 + rand() % 110);
+    setyPosition((10+10*(input-1)) + rand() % 2);
+    setDirec(true);
+}
+
+void AlienJeff::draw(uLCD_4DGL& input)  {
+    input.BLIT(getxPosition(), getyPosition(), 15, 8, alienJeff_sprite);
+}
+
+void AlienJeff::update(uLCD_4DGL& input) {
+    changexPos(2);
+    input.BLIT(getxPosition(), getyPosition(), 15, 8, alienJeff_sprite);
+}
+
+//---Mike---
+AlienMike::AlienMike(int input) {
+    setxPosition(1 + rand() % 110);
+    setyPosition((10+10*(input-1)) + rand() % 2);
+    setDirec(true);
+}
+
+void AlienMike::draw(uLCD_4DGL& input)  {
+    input.BLIT(getxPosition(), getyPosition(), 15, 8, alienMike_sprite);
+}
+
+void AlienMike::update(uLCD_4DGL& input)    {
+    changexPos(2);
+    input.BLIT(getxPosition(), getyPosition(), 15, 8, alienMike_sprite);
+}
+

diff -r 9a4d22a279b3 -r cf8ae4ca6f2b lame.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lame.h	Mon Apr 25 01:52:31 2022 +0000
@@ -0,0 +1,83 @@
+#ifndef LAME_H
+#define LAME_H
+
+//This is my base class!
+class ScreenObject  {
+public:
+    virtual void draw(uLCD_4DGL&) = 0; //pure virtual
+    virtual void update(uLCD_4DGL&) = 0; //pure virtual
+    void clearScreen(uLCD_4DGL&);
+    void changexPos(int);
+    void setxPosition(int);
+    void setyPosition(int);
+    void setDirec(bool);
+    void setHit(bool);
+    bool getHit();
+    int getxPosition();
+    int getyPosition();
+private:
+    int xPosition;
+    int yPosition;
+    bool direction;
+    bool hit;
+};
+
+//This is my ship class that inherits from my base class
+class Ship : public ScreenObject    {
+public:
+    Ship();
+    void draw(uLCD_4DGL&);
+    void update(uLCD_4DGL&);
+    void moveRight();
+    void moveLeft();
+};
+
+//Bullet class with inheritance
+class Bullet : public ScreenObject  {
+public:
+    Bullet();
+    void draw(uLCD_4DGL&);
+    void update(uLCD_4DGL&);
+    void fireBullet(Ship&, uLCD_4DGL&);
+    void setBullet(bool);
+    bool getBullet();
+    int getxBullet();
+    int getyBullet();
+    bool hitTest(ScreenObject&);
+private:
+    bool oneBullet;
+};
+
+//Alien alice be inheriting
+class AlienAlice : public ScreenObject  {
+public:
+    AlienAlice(int);
+    void draw(uLCD_4DGL&);
+    void update(uLCD_4DGL&);
+};
+
+//Same with alien bob
+class AlienBob : public ScreenObject    {
+public:
+    AlienBob(int);
+    void draw(uLCD_4DGL&);
+    void update(uLCD_4DGL&);
+};
+
+//Cant forget alien jeff
+class AlienJeff : public ScreenObject   {
+public:
+    AlienJeff(int);
+    void draw(uLCD_4DGL&);
+    void update(uLCD_4DGL&);
+};
+
+//Finally alien Mike is inheriting stuff
+class AlienMike : public ScreenObject   {
+public:
+    AlienMike(int);
+    void draw(uLCD_4DGL&);
+    void update(uLCD_4DGL&);
+};
+
+#endif
\ No newline at end of file

diff -r 9a4d22a279b3 -r cf8ae4ca6f2b main.cpp
--- a/main.cpp	Thu Jan 23 16:47:05 2014 +0000
+++ b/main.cpp	Mon Apr 25 01:52:31 2022 +0000
@@ -1,141 +1,176 @@
-// skeleton code for ECE 2036 thermostat lab
-// code must be added by students
+//Michael McDonald-LAME
+
 #include "mbed.h"
-#include "TMP36.h"
-#include "SDFileSystem.h"
 #include "uLCD_4DGL.h"
 #include "PinDetect.h"
 #include "Speaker.h"
-// must add your new class code to the project file Shiftbrite.h
-#include "Shiftbrite.h"
-
-// use class to setup temperature sensor pins
-TMP36 myTMP36(p15);  //Analog in
+#include "MMA8452.h"
+#include "lame.h"
+#include <cstdlib>
+#include <ctime>
 
-// use class to setup microSD card filesystem
-SDFileSystem sd(p5, p6, p7, p8, "sd");
-
-// use class to setup the  Color LCD
-uLCD_4DGL uLCD(p28, p27, p29); // create a global uLCD object
+PinDetect pbFire(p22); 
+Serial pc(USBTX,USBRX);
+uLCD_4DGL uLCD(p9, p10, p11); 
+MMA8452 acc(p28, p27, 40000);
+Speaker soundOut(p25);
 
-// use class to setup pushbuttons pins
-PinDetect pb1(p23);
-PinDetect pb2(p24);
-PinDetect pb3(p25);
-
-// use class to setup speaker pin
-Speaker mySpeaker(p21); //PWM out
+//Create my objects
+Timer timeObject;
+Ship shipObject;
+Bullet bulletObject;
 
-// use class to setup Shiftbrite pins
-Shiftbrite myShiftbrite(p9, p10, p11, p12, p13);// ei li di n/c ci
-
-// use class to setup Mbed's four on-board LEDs
-DigitalOut myLED1(LED1);
-DigitalOut myLED2(LED2);
-DigitalOut myLED3(LED3);
-DigitalOut myLED4(LED4);
-
-
+// Pushbutton Function
+void pbFire_hit_callback(void)  {
+    soundOut.PlayNote(100, 0.05, 0.1);
+    bulletObject.setBullet(true);
+}
+// Accelerometer Functions
+void setupAccelerometer(){
+    acc.setBitDepth(MMA8452::BIT_DEPTH_12);
+    acc.setDynamicRange(MMA8452::DYNAMIC_RANGE_4G);
+    acc.setDataRate(MMA8452::RATE_100);
+}
+    double x = .01;
+    double y = .01;
+    double z = .01;
 
-//also setting any unused analog input pins to digital outputs reduces A/D noise a bit
-//see http://mbed.org/users/chris/notebook/Getting-best-ADC-performance/
-DigitalOut P16(p16);
-DigitalOut P17(p17);
-DigitalOut P18(p18);
-DigitalOut P19(p19);
-DigitalOut P20(p20);
+void accInput(){ 
+    acc.readXYZGravity(&x,&y,&z);
+    if ((y>0.1)){
+        shipObject.moveLeft();}
+    if ((y<-0.1)){
+        shipObject.moveRight();}
 
-
-
+};
 
-// Global variables used in callbacks and main program
-// C variables in interrupt routines should use volatile keyword
-int volatile heat_setting=78; // heat to temp
-int volatile cool_setting=68; // cool to temp
-bool volatile mode=false; // heat or cool mode
+int main() {
+    
+    setupAccelerometer();
+    std::srand(time(0)); //seeded with time
 
-// Callback routine is interrupt activated by a debounced pb1 hit
-void pb1_hit_callback (void)
-{
-// ADD CODE HERE
-}
-// Callback routine is interrupt activated by a debounced pb2 hit
-void pb2_hit_callback (void)
-{
-// ADD CODE HERE
-}
-// Callback routine is interrupt activated by a debounced pb3 hit
-void pb3_hit_callback (void)
-{
-// ADD CODE HERE
-}
+    uLCD.display_control(LANDSCAPE_R);
+    uLCD.cls();
+    uLCD.baudrate(3000000);
+    wait(0.3);
+    uLCD.background_color(BLACK);
+    
+    // Intro Screen Message
+    uLCD.text_width(2);
+    uLCD.text_height(2);
+    uLCD.printf("HELP!\nTHEY ARE\nATTACKING");
+    soundOut.PlayNote(100.0,0.15,0.2);
+    soundOut.PlayNote(200.0,0.15,0.2);
+    soundOut.PlayNote(300.0,0.15,0.2);
+    soundOut.PlayNote(400.0,0.15,0.2);
+    soundOut.PlayNote(300.0,0.15,0.2);
+    soundOut.PlayNote(200.0,0.15,0.2);
+    soundOut.PlayNote(100.0,0.15,0.2);
+    wait(2.0);
 
+    
+    pbFire.mode(PullUp);
+    pbFire.attach_deasserted(&pbFire_hit_callback);
+    pbFire.setSampleFrequency();
+    wait(.01);
 
-int main()
-{
-    float Current_temp=0.0;
-
-    // Use internal pullups for the three pushbuttons
-    pb1.mode(PullUp);
-    pb2.mode(PullUp);
-    pb3.mode(PullUp);
-    // Delay for initial pullup to take effect
-    wait(.01);
-    // Setup Interrupt callback functions for a pb hit
-    pb1.attach_deasserted(&pb1_hit_callback);
-    pb2.attach_deasserted(&pb2_hit_callback);
-    pb3.attach_deasserted(&pb3_hit_callback);
-    // Start sampling pb inputs using interrupts
-    pb1.setSampleFrequency();
-    pb2.setSampleFrequency();
-    pb3.setSampleFrequency();
-    // pushbuttons now setup and running
-
+    
+    uLCD.cls();
+    ScreenObject *alienObject[6];
+    alienObject[0] = new AlienBob(1);
+    alienObject[1] = new AlienMike(2);
+    alienObject[2] = new AlienJeff(3);
+    alienObject[3] = new AlienBob(4);
+    alienObject[4] = new AlienMike(5);
+    alienObject[5] = new AlienAlice(6);
+    for (int i = 0; i < 6; i++)
+    {
+        alienObject[i]->draw(uLCD);
+        alienObject[i]->setHit(false);
+    }
+    
+    
+    shipObject.draw(uLCD);
+    timeObject.start(); 
+    bool endGame = false;
+    int numberOfAliens = 6;
+    bool isHit[6] = {false};
+    while (endGame == false)    {
+    accInput();
+        if (bulletObject.getBullet() == true)   {
+            bulletObject.fireBullet(shipObject,uLCD);
+            soundOut.PlayNote(100, 0.05, 0.1);
+            soundOut.PlayNote(50, 0.05, 0.3);
+        }
+        //If the ship has a bullet, run this code
+        while (bulletObject.getBullet() == true)    {
+        accInput();
+            shipObject.draw(uLCD);
+            bulletObject.update(uLCD);
+            
+            for (int i = 0; i < 6; i++) {
+                if (numberOfAliens < 1) {
+                    endGame = true;
+                    break;
+                }
 
-    // start I/O examples - DELETE THIS IN YOUR CODE..BUT WILL USE THESE I/O IDEAS ELSEWHERE
-    // since all this compiles - the needed *.h files for these are in the project
-    //
-    Current_temp = myTMP36; //Read temp sensor
-    printf("Hello PC World\n\r"); // need terminal application running on PC to see this output
-    uLCD.printf("\n\rHello LCD World\n\r"); // LCD
-    mySpeaker.PlayNote(500.0, 1.0, 1.0); // Speaker buzz
-    myShiftbrite.write( 0, 50 ,0); // Green RGB LED
-    // SD card write file example - prints error message on PC when running until SD card hooked up
-    // Delete to avoid run time error
-    mkdir("/sd/mydir", 0777); // set up directory and permissions
-    FILE *fp = fopen("/sd/mydir/sdtest.txt", "w"); //open SD
-    if(fp == NULL) {
-        error("Could not open file for write\n");
-    }
-    fprintf(fp, "Hello SD Card World!"); // write SD
-    fclose(fp); // close SD card
-    //
-    // end I/O examples
-
-
-
-
-    // State machine code below will need changes and additions
-    while (1) {
-        {
-            enum Statetype { Heat_off = 0, Heat_on };
-            Statetype state = Heat_off;
-            while(1) {
-                switch (state) {
-                    case Heat_off:
-                        myLED4 = 0;
-                        state = Heat_on;
-                        break;
-                    case Heat_on:
-                        myLED4 = 1;
-                        state = Heat_off;
-                        break;
+                isHit[i] = (bulletObject.hitTest(*alienObject[i]));
+                
+                if (isHit[i] == true){
+                    alienObject[i]->setHit(true);
+                    }
+                if (isHit[i] == true)   {
+                    --numberOfAliens;
+                    alienObject[i]->clearScreen(uLCD);
+                    soundOut.PlayNote(200, 0.1, 0.1);
+                    soundOut.PlayNote(350, 0.1, 0.1);
+                    
+                    uLCD.filled_circle(bulletObject.getxBullet(), bulletObject.getyBullet(), 8, BLACK);
+                    bulletObject.setBullet(false);
+                }
+                else
+                    if ((alienObject[i]->getHit()) == false)    {
+                        alienObject[i]->update(uLCD);
                 }
-                wait(0.33);
-                // heartbeat LED - common debug tool
-                // blinks as long as code is running and not locked up
-                myLED1=!myLED1;
             }
+            wait(0.01);
+        }
+        
+        while (bulletObject.getBullet() == false)   {
+        accInput();
+            if (numberOfAliens < 1) {
+                endGame = true;
+                break;
+            }
+            
+            shipObject.draw(uLCD);
+            for (int i = 0; i < 6; i++) {
+                if ((alienObject[i]->getHit()) == false){
+                    alienObject[i]->update(uLCD);
+                }
+            }
+            wait(0.01);
         }
     }
-}
\ No newline at end of file
+    
+    delete[] alienObject;
+    timeObject.stop();
+    float total = timeObject.read();
+    
+    //Winning sound
+    soundOut.PlayNote(1200, 0.1, 0.1);
+    soundOut.PlayNote(900, 0.1, 0.1);
+    soundOut.PlayNote(600, 0.1, 0.1);
+    soundOut.PlayNote(300, 0.1, 0.1);
+    soundOut.PlayNote(100, 0.1, 0.1);
+    soundOut.PlayNote(300, 0.1, 0.1);
+    soundOut.PlayNote(600, 0.1, 0.1);
+    soundOut.PlayNote(900, 0.1, 0.1);
+    soundOut.PlayNote(1200, 0.1, 0.1);
+   
+    //Win Screen
+    uLCD.cls();
+    uLCD.printf("\n\n\n\n Congratulations!!\n\n    Earth Saved!\n\n\n    (%f\n      Seconds)",total); 
+    wait(4.0);
+    exit(0);
+}//end main

diff -r 9a4d22a279b3 -r cf8ae4ca6f2b sprites.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sprites.h	Mon Apr 25 01:52:31 2022 +0000
@@ -0,0 +1,102 @@
+//Sprites for LAME
+#define _ 0x000000 // black
+#define X 0xFFFFFF // white
+#define O 0xEB4034 //red
+#define U 0x0345FC //blue
+#define Y 0x00F2FF //cyan
+
+// AlienAlice Sprites ----------------------------------------------------------
+int alienAlice_sprite[8 * 15] = {
+_,_,X,X,_,_,_,X,_,_,_,X,X,_,_,
+_,_,_,_,X,X,_,_,_,X,X,_,_,_,_,
+_,_,_,_,_,X,X,_,X,X,_,_,_,_,_,
+_,_,O,O,O,O,O,O,O,O,O,O,O,_,_,
+_,_,O,U,U,_,_,U,_,_,U,U,O,_,_,
+_,_,O,U,U,U,U,U,U,U,U,U,O,_,_,
+_,_,_,O,O,O,U,U,U,O,O,O,_,_,_,
+_,_,_,_,_,_,O,O,O,_,_,_,_,_,_,
+};
+
+// AlienBob Sprites ------------------------------------------------------------
+int alienBobDown_sprite[8 * 15] = {
+_,_,_,_,_,X,X,_,X,X,_,_,_,_,_,
+_,_,X,_,X,_,_,_,_,_,X,_,X,_,_,
+_,_,X,_,X,X,X,X,X,X,X,_,X,_,_,
+_,_,X,X,X,X,X,X,X,X,X,X,X,_,_,
+_,_,_,X,X,O,X,X,X,O,X,X,_,_,_,
+_,_,_,_,X,X,X,X,X,X,X,_,_,_,_,
+_,_,_,_,_,X,_,_,_,X,_,_,_,_,_,
+_,_,_,_,X,_,_,_,_,_,X,_,_,_,_,
+};
+
+int alienBobUp_sprite[8 * 15] = {
+_,_,_,X,_,_,_,_,_,_,_,X,_,_,_,
+_,_,_,_,X,_,_,_,_,_,X,_,_,_,_,
+_,_,_,_,X,X,X,X,X,X,X,_,_,_,_,
+_,_,X,X,X,X,X,X,X,X,X,X,X,_,_,
+_,_,X,X,X,O,X,X,X,O,X,X,X,_,_,
+_,_,X,_,X,X,X,X,X,X,X,_,X,_,_,
+_,_,X,_,_,X,_,_,_,X,_,_,X,_,_,
+_,_,_,_,X,_,_,_,_,_,X,_,_,_,_,
+};
+
+
+int alienJeff_sprite[8 * 15] = {
+_,_,_,O,_,_,_,_,_,_,_,O,_,_,_,
+_,_,_,O,_,_,U,_,U,_,_,O,_,_,_,
+_,_,_,O,_,X,O,X,O,X,_,O,_,_,_,
+_,_,_,O,_,X,X,X,X,X,_,O,_,_,_,
+_,_,_,O,O,O,X,X,X,O,O,O,_,_,_,
+_,_,_,_,_,U,U,U,U,U,_,_,_,_,_,
+_,_,_,O,O,O,U,U,U,O,O,O,_,_,_,
+_,_,_,O,_,_,_,U,_,_,_,O,_,_,_,
+};
+
+
+int alienMike_sprite[8 * 15] = {
+_,_,_,Y,_,_,_,_,_,_,_,Y,_,_,_,
+_,_,_,Y,_,_,Y,_,Y,_,_,Y,_,_,_,
+_,_,_,_,Y,Y,Y,Y,Y,Y,Y,_,_,_,_,
+_,_,U,_,_,Y,O,Y,O,Y,_,_,U,_,_,
+_,_,U,U,U,U,Y,Y,Y,U,U,U,U,_,_,
+_,_,_,_,U,_,Y,Y,Y,_,U,_,_,_,_,
+_,_,_,_,_,_,Y,Y,Y,_,_,_,_,_,_,
+_,_,_,_,_,_,_,Y,_,_,_,_,_,_,_,
+};
+
+// Ship Sprites ----------------------------------------------------------------
+int ship_sprite[8 * 27] = {
+_,_,_,_,_,_,_,_,_,_,O,O,O,_,O,O,O,_,_,_,_,_,_,_,_,_,_,
+_,_,_,_,_,_,_,_,_,_,X,X,X,_,X,X,X,_,_,_,_,_,_,_,_,_,_,
+_,_,_,_,_,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,_,_,_,_,_,
+_,_,_,_,_,_,X,X,X,X,X,X,X,X,X,X,X,X,X,X,X,_,_,_,_,_,_,
+_,_,_,_,_,_,_,X,X,_,_,X,X,X,X,X,_,_,X,X,_,_,_,_,_,_,_,
+_,_,_,_,_,_,_,X,X,_,_,_,X,X,X,_,_,_,X,X,_,_,_,_,_,_,_,
+_,_,_,_,_,_,_,O,O,_,_,_,X,X,X,_,_,_,O,O,_,_,_,_,_,_,_,
+_,_,_,_,_,_,_,_,_,_,_,_,_,O,_,_,_,_,_,_,_,_,_,_,_,_,_,
+};
+
+// Clear Sprites ---------------------------------------------------------------
+int clear_sprite[8 * 15] = {
+    _,_,_,_,_,_,_,_,_,_,_,_,_,_,_,
+    _,_,_,_,_,_,_,_,_,_,_,_,_,_,_,
+    _,_,_,_,_,_,_,_,_,_,_,_,_,_,_,
+    _,_,_,_,_,_,_,_,_,_,_,_,_,_,_,
+    _,_,_,_,_,_,_,_,_,_,_,_,_,_,_,
+    _,_,_,_,_,_,_,_,_,_,_,_,_,_,_,
+    _,_,_,_,_,_,_,_,_,_,_,_,_,_,_,
+    _,_,_,_,_,_,_,_,_,_,_,_,_,_,_,
+};
+
+// Bullet Sprites --------------------------------------------------------------
+int bullet_sprite[3 * 1] = {
+ X,
+ X,
+ O,
+};
+
+int nobullet_sprite[3 * 1] = {
+ _,
+ _,
+ _,
+};
\ No newline at end of file