//-------------------------------------------------------------------------------------------------
// Public functions
//-------------------------------------------------------------------------------------------------
void main(void)
{
// Initialize leds (configure leds' pins as digital outputs)
ansel.AN3 = 0; // RA4
trisa.RA4 = 0;
trisa.RA5 = 0;
trisb.RB7 = 0;
// Indicate current temperature displaying
PIN_LED_MAXIMUM_TEMPERATURE = 0;
PIN_LED_CURRENT_TEMPERATURE = 1;
PIN_LED_MINIMUM_TEMPERATURE = 0;
// Initialize the button (configure the button pin as digital input)
ansel.AN0 = 0;
trisa.RA0 = 1;
// Configure modules
ScreenInitialize();
TemperatureInitialize();
// Enable interrupts
intcon.PEIE = 1;
intcon.GIE = 1;
while (1)
{
// Wait for the button to be pressed
while (!PIN_BUTTON);
Current_State++;
if (Current_State > STATE_SLEEP) Current_State = STATE_MAXIMUM_TEMPERATURE;
switch (Current_State)
{
case STATE_MAXIMUM_TEMPERATURE:
PIN_LED_MAXIMUM_TEMPERATURE = 1;
PIN_LED_CURRENT_TEMPERATURE = 0;
PIN_LED_MINIMUM_TEMPERATURE = 0;
break;
case STATE_CURRENT_TEMPERATURE:
PIN_LED_MAXIMUM_TEMPERATURE = 0;
PIN_LED_CURRENT_TEMPERATURE = 1;
PIN_LED_MINIMUM_TEMPERATURE = 0;
break;
case STATE_MINIMUM_TEMPERATURE:
PIN_LED_MAXIMUM_TEMPERATURE = 0;
PIN_LED_CURRENT_TEMPERATURE = 0;
PIN_LED_MINIMUM_TEMPERATURE = 1;
break;
case STATE_SLEEP:
// Clear the leds
PIN_LED_MAXIMUM_TEMPERATURE = 0;
PIN_LED_CURRENT_TEMPERATURE = 0;
PIN_LED_MINIMUM_TEMPERATURE = 0;
// Put the maximum modules in low power mode
ScreenSetLowPowerMode(1); // Clear the screen
TemperatureSetLowPowerMode(1);
// Debounce the button now to safely enable the button interrupt just after without spurious button press
ButtonDebounceTimer();
// Enable the button interrupt to allow to wake up the system
intcon.INT0IF = 0; // Clear interrupt flag as it was previously set when pushing the button
intcon.INT0IE = 1;
// Put the whole system in idle mode, only an interrupt can wake it
ProcessorSetLowPowerMode(1);
// The following code is executed when the processor wakes up
// The button interrupt occured
intcon.INT0IE = 0; // Disable the button interrupt
// Reenable all modules
TemperatureSetLowPowerMode(0);
ScreenSetLowPowerMode(0);
// Force the next state temperature displaying to avoid a glitch which can occur during when the screen is reenabled and the
DisplayStateTemperature(STATE_MAXIMUM_TEMPERATURE);
// Here the button is still pushed, so the state machine will be reentered and the next state will automatically be selected
continue;
}
// Show the requested temperature
TEMPERATURE_DISABLE_INTERRUPT(); // Use a "mutex" to avoid the sampling interrupt and this call changing both the display values in a random way
DisplayStateTemperature(Current_State);
TEMPERATURE_ENABLE_INTERRUPT();
ButtonDebounceTimer();
}
}
/*************************************************
Function:start()
Description:游戏界面入口点
Calls:(none)
Input:(none)
Output:(none)
Return:(int)状态正常0,不正常-1
Others: // 其它说明
*************************************************/
int start()
{
/* SDL初始化*/
if( SDL_Init( SDL_INIT_VIDEO|SDL_INIT_TIMER ) < 0 )
{
printf( "SDL could not initialize! SDL_Error: %s\n", SDL_GetError() );
return 1;
}
//创建窗口对象
window = SDL_CreateWindow("F**k Bird", //标题
SDL_WINDOWPOS_CENTERED,//横向剧中
SDL_WINDOWPOS_CENTERED,//纵向居中
SCREEN_WIDTH,//窗口宽度
SCREEN_HEIGHT, //窗口高度
SDL_WINDOW_SHOWN );//窗口样式：创建后立即显示并全屏
if( window == NULL )
{
printf( "Window could not be created! SDL_Error: %s\n", SDL_GetError() );
return 1;
}
//创建渲染器
screenRen = SDL_CreateRenderer(window,
-1,
SDL_RENDERER_ACCELERATED| SDL_RENDERER_PRESENTVSYNC);
if( screenRen == NULL )
{
printf( "Render could not be get! SDL_Error: %s\n", SDL_GetError() );
return 1;
}
ScreenInitialize();
MoveTimer = SDL_AddTimer(1,MainCallBack,NULL);
//事件处理循环
while (1)
{
SDL_Event e;
if (SDL_PollEvent(&e))
{
if (e.type == SDL_QUIT)
{
break;
}
else if ( e.type == SDL_KEYDOWN)
{
// printf("KeyDown");
KeyEventHandler(&(e.key));
}
else if (e.type == SDL_MOUSEBUTTONDOWN)
{
MouseEventHandler();
}
}
}
SDL_UpdateWindowSurface( window );
// SDL_Delay( 5000 );
SDL_DestroyWindow( window );
SDL_Quit();
return 0;
}
