//***************Get_Cadence******************
//Displays the time you have been riding in hours, minutes, seconds, miliseconds
//Input: the hour, minute, second and milisecond to display on the LCD
//Output: none
void Get_Cadence(unsigned short *buffer, unsigned long time) {
char i;
unsigned short rotations = 0;
unsigned char SaveCCR;
asm tpa
asm staa SaveCCR
asm sei // make atomic
// The for loop has the 10
for(i=0; i<12; i++) {
rotations = rotations + *buffer;
buffer++;
}
//rotations now has the number of rotations that have been made
if(time < 60) {
rotations = ((600/time)*rotations)/10;
}
LCD_OutChar(NUM_TO_CHAR + (rotations/100));
LCD_OutChar(NUM_TO_CHAR + ((rotations/10)%10));
LCD_OutChar(NUM_TO_CHAR + (rotations%10));
asm ldaa SaveCCR
asm tap // end critical section
asm cli
}
int main(void){
int useless =0;
int a,b,c;
DisableInterrupts();
PLL_Init(); // 50 MHz I think?
LCD_Open();
ADC_InitSWTriggerSeq3(3);
SysTick_Init();
SYSCTL_RCGC2_R |= SYSCTL_RCGC2_GPIOG; // activate port G
useless = 1;
useless =0;
GPIO_PORTG_DIR_R |= 0x04; // make PG2 out (built-in LED)
GPIO_PORTG_AFSEL_R &= ~0x04; // disable alt func on PG2
GPIO_PORTG_DEN_R |= 0x04; // enable digital I/O on PG2
PG2 = 0; // turn off LED
UART_Init();
ADC_Init();
LCD_Clear();
EnableInterrupts();
while(1)
{
if((FIFO_Get() !=1) && getmail==0x2)
{
int i;
int sendme;
flag =0;
//FIFO_Get();
LCD_GoTo(0);
for(i = 0; i <5; i++)
{
FIFO_Get();
sendme = getmail;
LCD_OutChar( sendme);
}
LCD_GoTo(20);
LCD_OutChar(99);
LCD_OutChar(109);
FIFO_Get();
FIFO_Get(); // these two gets just take the blank space and the Stop 0x03 off the FIFO
}
}
}
//***************Get_Countdown******************
//Displays the time you have been riding in hours, minutes, seconds, miliseconds
//Input: the hour, minute, second and milisecond to display on the LCD
//Output: none
void Get_Countdown(short hour, short minute, short second, short msecond) {
/*
unsigned char SaveCCR;
asm tpa
asm staa SaveCCR
asm sei // make atomic
*/
LCD_OutChar(NUM_TO_CHAR+(hour/10));
LCD_OutChar(NUM_TO_CHAR+(hour%10));
LCD_OutChar(0x3A); // ASCII Colon :
LCD_OutChar(NUM_TO_CHAR+(minute/10));
LCD_OutChar(NUM_TO_CHAR+(minute%10));
LCD_OutChar(0x3A); // ASCII Colon :
LCD_OutChar(NUM_TO_CHAR+(second/10));
LCD_OutChar(NUM_TO_CHAR+(second%10));
//LCD_OutChar(0x3A); // ASCII Colon :
//LCD_OutChar(NUM_TO_CHAR+(msecond/10));
//LCD_OutChar(NUM_TO_CHAR+(msecond%10));
/*
asm ldaa SaveCCR
asm tap // end critical section
asm cli
*/
}
//--------------------------LCD_OutUHex----------------------------
// Output a 32-bit number in unsigned hexadecimal format
// Input: 32-bit number to be transferred
// Output: none
// Variable format 1 to 8 digits with no space before or after
void LCD_OutUHex(uint32_t number){
// This function uses recursion to convert the number of
// unspecified length as an ASCII string
if(number >= 0x10){
LCD_OutUHex(number/0x10);
LCD_OutUHex(number%0x10);
}
else{
if(number < 0xA){
LCD_OutChar(number+'0');
}
else{
LCD_OutChar((number-0x0A)+'A');
}
}
}
//***************Get_Weight******************
//Displays the users weight in lbs
//Input: the weight that the user is inputting
//Output: none
void Get_Weight(unsigned short weight) {
unsigned char SaveCCR;
asm tpa
asm staa SaveCCR
asm sei // make atomic
LCD_GoTo(0,0);
LCD_OutString(" lbs");
LCD_GoTo(0,0);
LCD_OutChar(NUM_TO_CHAR + (weight/100));
LCD_OutChar(NUM_TO_CHAR + ((weight/10)%10));
LCD_OutChar(NUM_TO_CHAR + (weight%10));
asm ldaa SaveCCR
asm tap // end critical section
asm cli
}
//-----------------------LCD_OutUDec-----------------------
// Output a 32-bit number in unsigned decimal format
// Input: 32-bit number to be transferred
// Output: none
// Variable format 1-10 digits with no space before or after
void LCD_OutUDec(uint32_t n){
// This function uses recursion to convert decimal number
// of unspecified length as an ASCII string
if(n >= 10){
LCD_OutUDec(n/10);
n = n%10;
}
LCD_OutChar(n+'0'); /* n is between 0 and 9 */
}
//***************Get_Distance******************
//Calculates the distance traveled based on wheel rotations and displays info on LCD
//Input: Number of wheel rotations
//Output: none
void Get_Distance(unsigned long rotations, unsigned char units) {
unsigned long distance;
/*
unsigned char SaveCCR;
asm tpa
asm staa SaveCCR
asm sei // make atomic
*/
if(units == KM)
distance = (rotations*WHEEL_CIRCUM_KM); //distance currently in milimeters
else distance = (rotations*WHEEL_CIRCUM_MI);
distance = distance/1000;
Fixed_ulDecOut2(distance);
LCD_OutChar(0x6B);
LCD_OutChar(0x6D);
/*
asm ldaa SaveCCR
asm tap // end critical section
asm cli
*/
}
void Temperature(void){
unsigned short ADCReceived, ADCReceived2, Res1IntShort,Res2IntShort;
float Res1Float,Res2Float,Temp1Float,Temp2Float,ADCReceived1Float,ADCReceived2Float,Rref=2500;
char LCDOutput[14];
unsigned short LCDTemp1[3],LCDTemp2[3];
unsigned char dummychar;
ADCReceived=(ADC_In(0x87));//ADCReceived=(ADC_In(0x07)>>6); // Read Analog value from AN7
ADCReceived2=(ADC_In(0x86));//ADCReceived2=(ADC_In(0x06)>>6);// Read Analog value from AN6
ADCReceived2Float=(float) ADCReceived2;
ADCReceived1Float=(float) ADCReceived;
Res2Float= (ADCReceived2Float/1023/7.47*Rref);
Res1Float= (ADCReceived1Float/1023/7.47*Rref);
Res2IntShort=(unsigned short) Res2Float;
Res1IntShort=(unsigned short) Res1Float;
Temp2Float= (Res2Float-100)/0.385;
Temp1Float= (Res1Float-100)/0.385;
Temp2IntShort=(unsigned char) Temp2Float;
Temp1IntShort=(unsigned char) Temp1Float;
Temp1Global=Temp1IntShort;
Temp2Global=Temp2IntShort;
//SCI_OutString("Raw 1 :");SCI_OutUDec(ADCReceived);SCI_OutString(" Res1 :");SCI_OutUDec(Res1IntShort);SCI_OutString(" Temp1:");SCI_OutUDec(Temp1IntShort);SCI_OutString(" || Raw 2:");SCI_OutUDec(ADCReceived2);SCI_OutString(" Res : ");SCI_OutUDec(Res2IntShort);SCI_OutString(" Temp : ");SCI_OutUDec(Temp2IntShort);OutCRLF();
LCDTemp2[0]= (Temp2IntShort/100);Temp2IntShort=Temp2IntShort-LCDTemp2[0]*100;
LCDTemp2[1]= (Temp2IntShort/10);Temp2IntShort=Temp2IntShort-LCDTemp2[1]*10;
LCDTemp2[2]= Temp2IntShort;
LCDTemp1[0]= (Temp1IntShort/100);Temp1IntShort=Temp1IntShort-LCDTemp1[0]*100;
LCDTemp1[1]= (Temp1IntShort/10);Temp1IntShort=Temp1IntShort-LCDTemp1[1]*10;
LCDTemp1[2]= Temp1IntShort;
// Update the temperature values on the LCD
LCDCommand(0x80+0x07);//Goto first temperature address
LCD_OutChar((LCDTemp1[0]+'0'));
LCD_OutChar((LCDTemp1[1]+'0'));
LCD_OutChar((LCDTemp1[2]+'0'));
LCDCommand(0x80+0x47); //Goto second temperature address
LCD_OutChar((LCDTemp2[0]+'0'));
LCD_OutChar((LCDTemp2[1]+'0'));
LCD_OutChar((LCDTemp2[2]+'0'));
//Goto Idle Location
LCDCommand(0x80+0x4F);
//Change the character at this location so that we know the Micro is working
if(globalidle==1){
LCD_OutChar(0xb0);
globalidle=2;
} else{
LCD_OutChar(0x7c);
globalidle=1;
}
}
//------------LCD_OutString------------
// Output String (NULL termination)
// Input: pointer to a NULL-terminated string to be transferred
// Output: none
void LCD_OutString(char *pt){
while(*pt){
LCD_OutChar(*pt);
pt++;
}
}
//---------------------Get_Stopwatch---------------------
// outputs the current time to the LCD display
// Input: none
// Output: none
void Get_Stopwatch(short hour, short minute, short second, short msecond) {
// unsigned char SaveCCR;
// asm tpa
// asm staa SaveCCR
// asm sei // make atomic
LCD_OutChar(NUM_TO_CHAR+(hour/10));
LCD_OutChar(NUM_TO_CHAR+(hour%10));
LCD_OutChar(0x3A); // ASCII Colon :
LCD_OutChar(NUM_TO_CHAR+(minute/10));
LCD_OutChar(NUM_TO_CHAR+(minute%10));
LCD_OutChar(0x3A); // ASCII Colon :
LCD_OutChar(NUM_TO_CHAR+(second/10));
LCD_OutChar(NUM_TO_CHAR+(second%10));
LCD_OutChar(0x3A); // ASCII Colon :
LCD_OutChar(NUM_TO_CHAR+(msecond/10));
LCD_OutChar(NUM_TO_CHAR+(msecond%10));
// asm ldaa SaveCCR
// asm tap // end critical section
// asm cli
}
//***************Get_AvgSpeed******************
//Displays the average speed over the whole trip
//Input: the total time spent on the trip (in seconds), and the total rotations done over the whole trip
//Output: none
void Get_AvgSpeed(unsigned long time, unsigned long rotations, unsigned char units) {
unsigned long distTraveled;
unsigned char SaveCCR;
asm tpa
asm staa SaveCCR
asm sei // make atomic
if(units == KM)
distTraveled = rotations*WHEEL_CIRCUM_KM; //distanceTraveled currently in mm
else distTraveled = rotations*WHEEL_CIRCUM_MI; //distanceTraveled currently in miles/1E6
distTraveled = distTraveled/1000; //distanceTravleed now in meters
distTraveled = ((distTraveled*3600)/(time)); //distanceTravled now in meters/hr
if(distTraveled<9999) {
LCD_OutChar(NUM_TO_CHAR+(distTraveled/1000));
LCD_OutString(".");
LCD_OutChar(NUM_TO_CHAR+((distTraveled/100)%10));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/10)%10));
}
else if(distTraveled<99999) {
LCD_OutChar(NUM_TO_CHAR+(distTraveled/10000));
LCD_OutChar(NUM_TO_CHAR+((distTraveled)%10));
LCD_OutString(".");
LCD_OutChar(NUM_TO_CHAR+((distTraveled/100)%10));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/10)%10));
}
else if(distTraveled<999999) {
LCD_OutChar(NUM_TO_CHAR+(distTraveled/100000));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/10000)%10));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/1000)%10));
LCD_OutString(".");
LCD_OutChar(NUM_TO_CHAR+((distTraveled/100)%10));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/10)%10));
}
else if(distTraveled<9999999) {
LCD_OutChar(NUM_TO_CHAR+(distTraveled/1000000));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/100000)%10));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/10000)%10));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/1000)%10));
LCD_OutString(".");
LCD_OutChar(NUM_TO_CHAR+((distTraveled/100)%10));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/10)%10));
}
else if(distTraveled<99999999) {
LCD_OutChar(NUM_TO_CHAR+(distTraveled/10000000));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/1000000)%10));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/100000)%10));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/10000)%10));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/1000)%10));
LCD_OutString(".");
LCD_OutChar(NUM_TO_CHAR+((distTraveled/100)%10));
LCD_OutChar(NUM_TO_CHAR+((distTraveled/10)%10));
}
LCD_OutString(" km/hr");
asm ldaa SaveCCR
asm tap // end critical section
asm cli
}
