//------------------------------------------------------------------------
// Function turns ON a range of lights.
// Center Stage : 5 - 10
// Left Stage : 11 - 15
// Right Stage : 0 - 4
//
// pre: unsigned short* lights
//
// post: a given range of lights is turned ON
//
void turnOnARangeOfLights(unsigned short** lights, int startBit, int numBits)
{
unsigned short mask;
turnOffAllLights(lights);
mask = (~((unsigned short) ~0 << numBits) << startBit);
*(*lights) |= mask;
}
void initializeLights() {
uint8_t i;
for (i=0; i<_NUM_LIGHT_TYPE; ++i) {
_rear_lights[i]._address = _rear_light_address[i];
}
for (i=0; i<_NUM_LEDS; ++i) {
_led_lights[i]._address = i;
}
turnOffAllLights();
}
//------------------------------------------------------------------------
// Functions gets prompts the user for their option listed on the menu
// from printMenu() printed prior to this function
//
// pre: stage lights UH
//
// post: performs a number of operations on the stage lights by calling
// the appropriate function while user is willing to do so
//
//void getUserOption(unsigned short* lights)
void getUserOption(unsigned short** lights, unsigned short** overLayPattern, int *startBit, int *numBits)
{
int userOption, endProgram, emptyReply;
char buffer[128], *line, *endPtr, printFlag;
printFlag = endProgram = 1;
emptyReply = 0;
while(gets(buffer), (endProgram))
{
if(*buffer == '\0') //if empty response
{ //re-prompt user
while (*buffer == '\0')
{
printMenu();
gets(buffer);
}
}
strcat(buffer, "\n");
line = strtok(buffer, "\040\t\n");
userOption = (int)strtol(line, &endPtr, 10);
switch (userOption)
{
case 1:
turnOnAllLights(lights);
break;
case 2:
turnOnARangeOfLights(lights, 5, 6);
break;
case 3:
turnOnARangeOfLights(lights, 11, 6);
break;
case 4:
turnOnARangeOfLights(lights, 0, 5);
break;
case 5:
turnOffAllLights(lights);
break;
case 6:
turnOffARangeOfLights(lights, 5, 6);
break;
case 7:
turnOffARangeOfLights(lights, 11, 6);
break;
case 8:
turnOffARangeOfLights(lights, 0, 5);
break;
case 9:
getOverlayPatternAndStartBit(overLayPattern, startBit, numBits);
overLayOnOffPatternOntoLightConfig(lights, overLayPattern, *startBit, *numBits);
break;
case 10:
printFlag = 0;
break;
case 11:
printMenu();
break;
case 12:
endProgram = 0;
break;
default:
printf("Please enter a numeric value (1 - 12) from\n"
"the menu option\n");
break;
} //switch
if(endProgram)
printBits(**lights);
if(printFlag && endProgram && emptyReply)
printMenu();
}
}
