int main(void) {
BOARD_Init();
// Configure Timer 1 using PBCLK as input. This default period will make the LEDs blink at a
// pretty reasonable rate to start.
OpenTimer1(T1_ON | T1_SOURCE_INT | T1_PS_1_8, 0xFFFF);
// Set up the timer interrupt with a priority of 4.
INTClearFlag(INT_T1);
INTSetVectorPriority(INT_TIMER_1_VECTOR, INT_PRIORITY_LEVEL_4);
INTSetVectorSubPriority(INT_TIMER_1_VECTOR, INT_SUB_PRIORITY_LEVEL_0);
INTEnable(INT_T1, INT_ENABLED);
/***************************************************************************************************
* Your code goes in between this comment and the following one with asterisks.
**************************************************************************************************/
int x = 0x01;
LEDS_INIT();
//give the initial value
checkItem.event = 0;
checkItem.value = 0;
int direction = RIGHT;
while (1) {
//set the value
LEDS_SET(x);
if (checkItem.event == 1) {
checkItem.event = 0;
//two directions
if(direction == RIGHT){
x = x << 1;
}else{
x = x >> 1;
}
}
//edge case of 0x100
if((x == 0x100) && (direction == RIGHT)){
x = 0x40;
direction = LEFT;
}
//edge case of 0x00
if((x == 0) && (direction == LEFT)){
x = 0x02;
direction = RIGHT;
}
}
void mainLoop()
{
while(1) {
//pid processing and output debug msg
if (get_flag(FLAG_END_ADC_CONV)) {
temp_error = temp_adc[temp_lvl_real] - conv_result;
if ( get_flag(FLAG_PREHEAT) && (temp_error<5) ) { //check if preheat phase completed
temp_lvl_real = temp_lvl;
reset_flag(FLAG_PREHEAT);
}
if ( get_flag(FLAG_BLINK_ON) && ((get_flag(FLAG_PREHEAT))==0) ) { //BLINK_OFF if temp stabilized
if ( (temp_error>-5) && (temp_error<5) ) {
LEDS_SET(temp_lvl);
reset_flag(FLAG_BLINK_ON);
}
}
//calculate error for pid
temp_error = temp_adc[temp_lvl_real] - conv_result;
if (temp_error > 127)
temp_error=127; // for int8_t in pid
else if (temp_error<-127)
temp_error=-127;
heat_cycles = update_pid(&pid, (int8_t)(temp_error), conv_result);
reset_flag(FLAG_END_ADC_CONV);
//DBG
// sprintf(txbuf,"%d,%d %d %d %x\r\n",conv_result,(uint16_t)(temp_lvl), (int16_t)heat_cycles, (int16_t)((int8_t)(temp_error)), (uint16_t)(flags));
// UART_SendStr(txbuf); //send result to uart
}
//zero-detection time-non-critical events processiong
if (get_flag(FLAG_ZERO_REACHED)) {
reset_flag(FLAG_ZERO_REACHED);
phase_ticks++;
//leds blink
if (get_flag(FLAG_BLINK_ON)) {
if ( (phase_ticks & 0b011111) == 0 ) {
LEDS_SET(temp_lvl);
} else if ( (phase_ticks & 0b100000) == 0 ) {
LEDS_SET(0);
}
}
//long switch-pressed: pwr-off
if (get_flag(FLAG_SWITCH_PRESSED)) {
switch_pressed_timer++;
// if ( switch_pressed_timer == 0 ) {
if ( switch_pressed_timer == 0x90 ) {
switch_pressed_timer=0;
temp_lvl=0;
temp_lvl_real=0;
LEDS_SET(0);
}
}
//if key is pressed
if ( ((SWITCH_PORT->IDR & SWITCH_PIN)==0) && ((get_flag(FLAG_SWITCH_PRESSED))==0) ) {
set_flag(FLAG_SWITCH_PRESSED);
switch_pressed_timer=0;
temp_lvl = (temp_lvl+1) % 8;
LEDS_SET(temp_lvl);
set_flag(FLAG_BLINK_ON);
set_flag(FLAG_PREHEAT);
pid.pgain=pgains[temp_lvl];
pid.igain=igains[temp_lvl];
if ((temp_lvl<7) && (temp_lvl>0)) {
temp_lvl_real = temp_lvl+1;
} else {
reset_flag(FLAG_PREHEAT);
reset_flag(FLAG_BLINK_ON);
temp_lvl_real = temp_lvl;
}
//if key is released (pull-up)
} else if ( (SWITCH_PORT->IDR & SWITCH_PIN) && get_flag(FLAG_SWITCH_PRESSED) ) {
reset_flag(FLAG_SWITCH_PRESSED);
}
}
} // end while(1)
}
int main()
{
// Configure the device for maximum performance but do not change the PBDIV
// Given the options, this function will change the flash wait states, RAM
// wait state and enable prefetch cache but will not change the PBDIV.
// The PBDIV value is already set via the pragma FPBDIV option above..
SYSTEMConfig(F_SYS, SYS_CFG_WAIT_STATES | SYS_CFG_PCACHE);
// Auto-configure the PIC32 for optimum performance at the specified operating frequency.
SYSTEMConfigPerformance(F_SYS);
// osc source, PLL multipler value, PLL postscaler , RC divisor
OSCConfig(OSC_POSC_PLL, OSC_PLL_MULT_20, OSC_PLL_POST_1, OSC_FRC_POST_1);
// Configure the PB bus to run at 1/4th the CPU frequency, so 20MHz.
OSCSetPBDIV(OSC_PB_DIV_4);
// Enable multi-vector interrupts
INTEnableSystemMultiVectoredInt();
INTEnableInterrupts();
// Configure Timer 2 using PBCLK as input. We configure it using a 1:16 prescalar, so each timer
// tick is actually at F_PB / 16 Hz, so setting PR2 to F_PB / 16 / 100 yields a .01s timer.
OpenTimer2(T2_ON | T2_SOURCE_INT | T2_PS_1_16, F_PB / 16 / 100);
// Set up the timer interrupt with a medium priority of 4.
INTClearFlag(INT_T2);
INTSetVectorPriority(INT_TIMER_2_VECTOR, INT_PRIORITY_LEVEL_4);
INTSetVectorSubPriority(INT_TIMER_2_VECTOR, INT_SUB_PRIORITY_LEVEL_0);
INTEnable(INT_T2, INT_ENABLED);
/******************************** Your custom code goes below here ********************************/
int check;
OledInit();
AdcInit();
LEDS_INIT();
check = GameInit();
if(check == STANDARD_ERROR) {
FATAL_ERROR();
}
float currPage;
float binSize;
float titleSize;
float descSize;
float numPages;
uint8_t roomExit;
uint16_t adcValue = 0;
while(1) {
roomExit = GameGetCurrentRoomExits();
LEDS_SET(roomExit);
while(buttonEvents == 0) {
descSize = GameGetCurrentRoomDescription(roomData.description);
titleSize = GameGetCurrentRoomTitle(roomData.title);
numPages = ((titleSize + descSize) / MAX_OLED_PIXELS);
binSize = (ADC_MAX_VALUE / numPages);
if(AdcChanged()) {
adcValue = AdcRead();
}
currPage = (adcValue / binSize);
if(currPage < 1) {
char titleArray[TITLE_OLED_SPACE] = {0};
char descriptionBuffer[FIRST_PG_DESCRIPTION_OLED_SPACE] = {0};
strncpy(descriptionBuffer, roomData.description, DESCRIPTION_COPY);
sprintf(titleArray, "%s\n%s", roomData.title, descriptionBuffer);
OledClear(OLED_COLOR_BLACK);
OledDrawString(titleArray);
} else {
char buffer[MAX_OLED_PIXELS] = {0};
int buffIndex;
buffIndex = (int)currPage * MAX_OLED_PIXELS;
strncpy(buffer, (roomData.description + buffIndex - OFFSET), MAX_OLED_PIXELS);
OledClear(OLED_COLOR_BLACK);
OledDrawString(buffer);
}
OledUpdate();
}
if((buttonEvents & BUTTON_EVENT_4UP) && (roomExit & GAME_ROOM_EXIT_NORTH_EXISTS)) {
GameGoNorth();
} else if((buttonEvents & BUTTON_EVENT_3UP) && (roomExit & GAME_ROOM_EXIT_EAST_EXISTS)) {
GameGoEast();
} else if((buttonEvents & BUTTON_EVENT_2UP) && (roomExit & GAME_ROOM_EXIT_SOUTH_EXISTS)) {
GameGoSouth();
} else if((buttonEvents & BUTTON_EVENT_1UP) && (roomExit & GAME_ROOM_EXIT_WEST_EXISTS)) {
GameGoWest();
}
buttonEvents = BUTTON_EVENT_NONE;
}
/**************************************************************************************************/
while (1);
}