Example #1
0
File: PWM.c Project: sdajani/sdp
int main(void) {
    unsigned int i, j;
    Board_init();
    PWM_init(PWM_PORTX11 | PWM_PORTY04 | PWM_PORTY10 | PWM_PORTY12 | PWM_PORTZ06, FIRST_PERIOD);


    printf("Uno PWM Test Harness\r\n");
    printf("Ramping PWM from %d-%d%% in 10%% steps at %d with a delay between\r\n", MIN_RAMP, MAX_RAMP, FIRST_PERIOD);
    unsigned char ch = 0;
    for (j = MIN_RAMP; j <= MAX_RAMP; j += 100) {
        PWM_setDutyCycle(PWM_PORTX11, j);
        PWM_setDutyCycle(PWM_PORTY04, j + 20);
        PWM_setDutyCycle(PWM_PORTY10, j + 40);
        PWM_setDutyCycle(PWM_PORTY12, j + 60);
        PWM_setDutyCycle(PWM_PORTZ06, j + 80);
        printf("Outputting %d%% Duty Cycle\r\n", j / 10);
        DELAY(10000);
    }
    printf("Setting Period to %d and repeating ramp\r\n", SECOND_PERIOD);
    PWM_end();
    PWM_init(PWM_PORTX11 | PWM_PORTY04 | PWM_PORTY10 | PWM_PORTY12 | PWM_PORTZ06, SECOND_PERIOD);
    for (j = MIN_RAMP; j <= MAX_RAMP; j += 100) {
        PWM_setDutyCycle(PWM_PORTX11, j);
        PWM_setDutyCycle(PWM_PORTY04, j + 20);
        PWM_setDutyCycle(PWM_PORTY10, j + 40);
        PWM_setDutyCycle(PWM_PORTY12, j + 60);
        PWM_setDutyCycle(PWM_PORTZ06, j + 80);
        printf("Outputting %d%% Duty Cycle\r\n", j / 10);
        DELAY(10000);
    }
    PWM_end();
    return 0;
}
Example #2
0
int main(void)
{
    uint8_t current_state = 0;				// Used to store the current state of TX state machine
    uint16_t pulse_count = 0;					// Used to store the current number of pulses

    GPIO_init();
    init_timer_0A();
    init_timer_0B();
    nvic_init();
    PWM_init();

    // IR Rx GPIO port (PB4) for asynch receive
    init_IR_rx();

    // Delay for microcontroller clock to stabilize
    delay_timer_0A(500);
    current_state = 1;  // Activate the tx_state_machine

    while(1)
    {
        // If the 562us timer expired then it is time to update state machine
        /*
        if (mod_period_flag) {
        	mod_period_flag = 0;
        	tx_state_machine(&current_state, &pulse_count, IR_address,  IR_data_GREEN);	  //<--- TX CHANGE HERE!!
        }
        */

        // If RX port senses an edge, store the timer count
        if (rx_interrupt_flag) {
            rx_interrupt_flag = 0;
            rx_handler();
        }
    }
}
Example #3
0
int main(void)
{

	LEDS_init();	/* init the LEDs for this board  */
	IO_init(FAST_IO);
	
	PWM_init(PWM_1|PWM_4); /* P0.0, P0.8 */
	PWM_frequency(50); /* 50 Hz PWM output, 20ms */
	

	LEDS_on(LED3);
	
	while(1) 
	{
	
		if (flashen_button())
		{
			PWM_pulsewidth_us (PWM_1, 1500); // Center
			PWM_pulsewidth_us (PWM_4, 1500); // Center
			LEDS_on(LED2);
		}
		else
		{
			PWM_pulsewidth_us (PWM_1, 1000); // 45º left
			PWM_pulsewidth_us (PWM_4, 2000); // 45º right
			LEDS_off(LED2);
		}	
	}
}
Example #4
0
int Main()
{
    U32  freq=2500;
    led_key_init();         //初始化LED和KEY
    PWM_init();             //初始化PWM定时器

    while(1)
    {
        if( !(GPGDAT &( 1<<0 )) ){      // K1  PWM值降低
            freq =freq+300;
            if(freq>5000) freq=2500;

            TCMPB0 = freq;             //数据手册里说:PWM功能可以通过使用TCMPBn实现。PWM频率由TCNTBn决定。
                                       //这里通过改变TCMPB0来改变PWM的值。
                                       //减小TCMPBn可以提高PWM值。增大TCMPBn可以降低PWM值。
            led2_1_on();
            } else

        if(!(GPGDAT &( 1<<3 )) ){      // K2   PWM值增加
            freq =freq-300;
            if(freq<1000) freq=2500;
            TCMPB0 = freq;
            led3_4_on();
            } else

        if(!(GPGDAT &( 1<<5 )) ){      // K3   关闭蜂鸣器输出
            ESC_PWM();
            } else

        if(!(GPGDAT &( 1<<6 )) ){      // K4   打开蜂鸣器输出
            OPEN_PWM();
            }
    }
    return 0;
}
Example #5
0
int main(void)
{
	CLK_init();
	SYS_init();
	UART_init();
	ADC_init();
	PWM_init();			//Initialize PWM (servos not running)
	PWM_dutySet(500, 200);

	_bis_SR_register(LPM0_bits + GIE); // interrupts enabled

	while(1)
	{

		//_ldrL_ADCVal = _readADC(INCH_4); 		//Read ADC input on P2.1
		//_ldrR_ADCVal = _readADC(INCH_5); 		//Read ADC input on P2.2

		UART_puts((char *)"\n\r");
		UART_puts((char *)"_ldrL_ADCVal: ");
		UART_outdec(_ldrL_ADCVal, 0);
		UART_puts((char *)"\n\r");
		UART_puts((char *)"_ldrR_ADCVal: ");
		UART_outdec(_ldrR_ADCVal, 0);

		_delay_cycles(125000);
		P1OUT ^= (BIT0 + BIT6);
	}
}
Example #6
0
void main(void) {
    
    OS_Init(); // OS System init

    ADC_init(); // Should be done first
    PWM_init(); // Beware pwm ports go together with ANALOG in

    setPortBIO(0x04); // Set port B in output mode
    setPortDIO(0x00); // Set port D in output mode

    XLCDInit(); // initialize the LCD module
    XLCDClear();

    // Push een kleine lijst
    //push(2);
    //push(1);
    //push(3);

    OS_Task_Create(0, Task_Server); // BT Connection
    OS_Task_Create(1, Task_Hartbeat); // Show I am alive (called by scheduler)//
    OS_Task_Create(1, Task_Run); // Run me through the maze (called by scheduler)//
    OS_Task_Create(2, Task_Display); // be called by scheduler

    OS_Run(); // Run scheduler

}
/*********************************************************************
 * @fn      SimpleBLEPeripheral_ProcessEvent
 *
 * @brief   Simple BLE Peripheral Application Task event processor.  This function
 *          is called to process all events for the task.  Events
 *          include timers, messages and any other user defined events.
 *
 * @param   task_id  - The OSAL assigned task ID.
 * @param   events - events to process.  This is a bit map and can
 *                   contain more than one event.
 *
 * @return  events not processed
 */
uint16 SimpleBLEPeripheral_ProcessEvent( uint8 task_id, uint16 events )
{
  //tasksArr[] ÊÇ11¸öTaskµÄ×îºóÒ»¸ö£¬ÓÉOSAL ϵͳ½øÐе÷¶È¡£ÓÐʱ¼äÀ´ÁË£¬Óø÷½·¨´¦Àí¡£³õʼ»¯OSAL_SimpleBLEperipheal

  VOID task_id; // OSAL required parameter that isn't used in this function

  if ( events & SYS_EVENT_MSG )
  {
    uint8 *pMsg;

    if ( (pMsg = osal_msg_receive( simpleBLEPeripheral_TaskID )) != NULL )
    {
      simpleBLEPeripheral_ProcessOSALMsg( (osal_event_hdr_t *)pMsg );

      // Release the OSAL message
      VOID osal_msg_deallocate( pMsg );
    }

    // return unprocessed events
    return (events ^ SYS_EVENT_MSG);
  }

  if ( events & SBP_START_DEVICE_EVT )
  {
    // Start the Device   Õâ¸öÊÇÉ豸ÓÐ״̬±ä»¯²Å»áµ÷ÓõĻص÷º¯Êý
    VOID GAPRole_StartDevice( &simpleBLEPeripheral_PeripheralCBs );

    // Start Bond Manager
    VOID GAPBondMgr_Register( &simpleBLEPeripheral_BondMgrCBs );
    
    // Set timer for first periodic event
    //init LED
    PWM_init();
    init_QI_Switch(1);
    //dataChange(1,0);
    
    //osal_start_timerEx( simpleBLEPeripheral_TaskID, SBP_PERIODIC_EVT, SBP_PERIODIC_EVT_PERIOD );
    //LedChange();
    return ( events ^ SBP_START_DEVICE_EVT );
  }
  
 if ( events & SBP_PERIODIC_EVT )
  {
    //osal_start_timerEx( simpleBLEPeripheral_TaskID, SBP_PERIODIC_EVT, SBP_PERIODIC_EVT_PERIOD );
    //Ö´ÐеƹâchangeµÄº¯Êý
    
    if(P1_1 == 1){
        //HalLcdWriteString("HEIGH",HAL_LCD_LINE_4);
    }else{
        //HalLcdWriteString("LOW",HAL_LCD_LINE_4);
    }

    LedChange();
    return (events ^ SBP_PERIODIC_EVT);
  }

  // Discard unknown events
  return 0;
}
Example #8
0
void initialize_hardware(){
	 sysclock_init();
	 LPC_MRT->Channel[0].CTRL=(1u<<1);  //multi-rate timer canal 0 en mode 'one-shot interrupt'
	 assign_pins(); // assignation des périphériques aux broches
	 //LPC_SYSCON->IRQLATENCY=40;
	 NVIC_SetPriority(SCT_IRQn,0); // plus haute priorité d'interruption
	 NVIC_SetPriority(MRT_IRQn,3); // plus basse priorité
	 PWM_init();
     SPI0_init();
}//f()
Example #9
0
/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
	RCC_ClocksTypeDef RCC_Clocks;


  /* SysTick end of count event each 10ms */
  RCC_GetClocksFreq(&RCC_Clocks);
  SysTick_Config(RCC_Clocks.HCLK_Frequency / 100);
	
	/********************输出 初始化 ******************/
	PWM_init();
  
	
	STM324xG_LCD_Init();	
  LCD_Clear(BLACK);/* Clear the LCD */
  LCD_SetBackColor(BLACK);/* Set the LCD Back Color */  
  LCD_SetTextColor(WHITE);/* Set the LCD Text Color */	
  LCD_DisplayStringLine(LINE(0), "  Hello jaja. I'm xiaohei01");
	
	
	/********************输入 初始化 ******************/
	NVIC_PriorityGroupConfig(NVIC_PriorityGroup_3);/*!< 3 bits for pre-emption priority 1 bits for subpriority */	
	
	Encoder_init();	//encoder tim8	
	usart_init();//通信COM usart2 115200
	
	IMU_init();	
	if (get_mode()==1)
	{
		IMU_BE10();
	}
	
	KEY_init();		
	AD_Init();	
	GPS_int();

	TIM2_Configuration();
	printf("uart init OK 2 \r\n");

	
while(1)
  {


	if(LCD_flag)
	{
		LCD_flag=0;
		lcd_refresh();
	}


  }  
}
Example #10
0
int main(void)
{
	ADC_Config();
	PID_init();
	PWM_init(405);
	sei();
    while(1)
    {
        //TODO:: Please write your application code 
    }
	cli();
}
Example #11
0
int main()
{
	#if defined(PIC32_PINGUINO) || defined(PIC32_PINGUINO_OTG)
	TRISDbits.TRISD9=1;		// because PORTB is shared with SDA on Olimex board
	TRISDbits.TRISD10=1;		// because PORTB is shared with SCL on Olimex board
	#endif	

	SystemConfig(80000000);	// default clock frequency is 80Mhz
									// default peripheral freq. is 40MHz (cf. system.c)

	// All pins of PORTB as digital IOs
#ifdef __32MX220F032D__
	ANSELA = 0;
	ANSELB = 0;
	ANSELC = 0;
#else
	AD1PCFG = 0xFFFF;
#endif
	
	#ifdef __ANALOG__
	analog_init();
	#endif

	#ifdef __MILLIS__
	millis_init();
	#endif

	#ifdef __PWM__
	PWM_init();
	#endif    

	#ifdef __USBCDC
	CDC_init();
	#endif    

	#ifdef __RTCC__
	RTCC_init();
	#endif    
	
	setup();

	while (1)
	{
		#ifdef __USBCDC
		CDCTxService();
		#endif    
		loop();
	}

	return(0);    
}
Example #12
0
inline void setup_handles(void){
	myClk = CLK_init((void *)CLK_BASE_ADDR, sizeof(CLK_Obj));
	myPll = PLL_init((void *)PLL_BASE_ADDR, sizeof(PLL_Obj));
	myWDog = WDOG_init((void *)WDOG_BASE_ADDR, sizeof(WDOG_Obj));
	myCpu = CPU_init((void *)NULL, sizeof(CPU_Obj));

	myFlash = FLASH_init((void *)FLASH_BASE_ADDR, sizeof(FLASH_Obj));
	myGpio = GPIO_init((void *)GPIO_BASE_ADDR, sizeof(GPIO_Obj));
	myPie = PIE_init((void *)PIE_BASE_ADDR, sizeof(PIE_Obj));
	mySci = SCI_init((void *)SCIA_BASE_ADDR, sizeof(SCI_Obj));
	myAdc = ADC_init((void *)ADC_BASE_ADDR, sizeof(ADC_Obj));
	myPwm1 = PWM_init((void *)PWM_ePWM1_BASE_ADDR, sizeof(PWM_Obj));

}
Example #13
0
int main()
{
	// default peripheral freq. is CPUCoreFrequency / 2 (cf. system.c)
	#if defined(__32MX220F032D__)||defined(__32MX250F128B__)||defined(__32MX220F032B__)
	SystemConfig(40000000);	// default clock frequency is 40Mhz
	#else
	SystemConfig(80000000);	// default clock frequency is 80Mhz
	#endif

	IOsetSpecial();
	IOsetDigital();
	IOsetRemap();

	#ifdef __ANALOG__
	analog_init();
	#endif

	#ifdef __MILLIS__
	millis_init();
	#endif

	#ifdef __PWM__
	PWM_init();
	#endif    

	#ifdef __USBCDC
	CDC_init();
	#endif    

	#ifdef __RTCC__
	RTCC_init();
	#endif    
	
	setup();

	while (1)
	{
		#ifdef __USBCDC
			#if defined(__32MX220F032D__)||defined(__32MX250F128B__)||defined(__32MX220F032B__)
				USB_Service( );
			#else
				CDCTxService();
			#endif
		#endif
 
		loop();
	}

	return(0);    
}
Example #14
0
int main(void)
{
	GPIO_init();
	Timer_init();
	PWM_init();
	ADC_init();
	NVIC_init();

	// infinite loop
	while (1)
	{
		
	}
}
Example #15
0
/*
 *  ======== EK_TM4C123GXL_initPWM ========
 */
void EK_TM4C123GXL_initPWM(void) {
	/* Enable PWM peripherals */
	SysCtlPeripheralEnable(SYSCTL_PERIPH_PWM1);

	/*
	 * Enable PWM output on GPIO pins.  Board_LED1 and Board_LED2 are now
	 * controlled by PWM peripheral - Do not use GPIO APIs.
	 */
	GPIOPinConfigure(GPIO_PF2_M1PWM6);
	GPIOPinConfigure(GPIO_PF3_M1PWM7);
	GPIOPinTypePWM(GPIO_PORTF_BASE, GPIO_PIN_2 | GPIO_PIN_3);

	PWM_init();
}
Example #16
0
int main(void)
{
	init_gpio();
	init_timer_A();

	PWM_init();
	
	PWM0->_2_LOAD = 4999;
	//PWM0->_2_CMPA = 4846;
	
	while(1)
	{
		sweep_counter_clockwise();
		sweep_clockwise();
	}
}
Example #17
0
int main(void){
  uint16_t v0,v1,v2;
  double t0,t1,t2;
  char t_chr[7];

  memset(t_chr, '\0', sizeof(t_chr));

  USART_init(MYUBRR);
  /* Remove garbage from serial terminal */
  USART_transmit('\r');

  ADC_init();
  PWM_init();

  while(1){
    v0 = ADC_read(0);  /* read from ADC0 */
    v1 = ADC_read(1);  /* read from ADC0 */
    v2 = ADC_read(2);  /* read from ADC0 */

    t0 = v0 / 4;
    t1 = v1 / 4;
    t2 = v2 / 4;

    dtostrf(t0, 5, 1, t_chr);
    USART_write("0: ");
    USART_write(t_chr);
    USART_write("\r\n");

    dtostrf(t1, 5, 1, t_chr);
    USART_write("1: ");
    USART_write(t_chr);
    USART_write("\r\n");

    dtostrf(t2, 5, 1, t_chr);
    USART_write("2: ");
    USART_write(t_chr);
    USART_write("\r\n");

    OCR0A = t0;
    OCR0B = t1;
    OCR2A = t2;

    _delay_ms(500);
  }

  return 1;
}
Example #18
0
int main(void)
{
	char display_string1[] = "*Hello Amigos. Rolling Banner!*";
	char display_string2[] = "+-+-+-+-+";
	uint8_t i;
	
	init_gpio();			// Initialize GPIO	
  	init_timer_A();		// Initialize TIMER0->TIMERA as 16-bit, one-shot and counts down
	init_timer_B();		// Init TIMER0B as 16-bit, periodic and counts down
	nvic_init();			// Init NVIC for TIMER0B
	init_pushButton();	
		
	// Initialize LCD display
	LCD_init();
	PWM_init();	

	for(i=0; display_string1[i] != '\0'; i++)
	{
		send_data(display_string1[i]);
		delay_timer(100);
		
		// Since screen has enough to display 16 chars per line, if going off line, start shifting screen.
		if ( i >= 14 )
			send_command(0x18);
	}
	send_command(0x2);		// Return cursor home
	send_command(0xC0);		// Go to line 2

	for(i=0; display_string2[i] != '\0'; i++)
	{
		send_data(display_string2[i]);
		delay_timer(100);
		
		// Since screen has enough to display 16 chars per line, if going off line, start shifting screen.
		if ( i >= 14 )
			send_command(0x18);
	}
	
	interrupt_timer(scroll_delay);		// Interrupt timer handler scrolls the screen
	//send_command(0x18);		// Shift display to the right by 1
	//send_command(0x8);		// Turn display off
	//send_command(0xF);		// Turn display on, cursor ON, cursor position ON
	//GPIOF->DATA |= (1UL << 3);    //LED ON
	//GPIOF->DATA &= ~(1UL << 3);		//LED OFF
	while(1)
	{}
}
Example #19
0
void main_init(void) {
    OSC_init();
    TRISA = 0b11100111; // SWB,SWG,SWR,Vcap,x,ADCB,ADCG,ADCR
    TRISB = 0b00000000; // PGD,PGC,x,PWMW,x,PWMB,PWMG,PWMR
    TRISC = 0b10111010; // RX,TX,D+,D-,Vusb,x,T1OSI,T1OSO
    ANCON0 = 0b11111000; // AN2,AN1,AN0 is analog
    ANCON1 = 0b00011111; // all digital
    INTCON2bits.RBPU = 0; // PORTB Pull-Up Enable

    timer0_init(8); // ?
    timer1_init(0, T1OSC); // ?
    timer3_init(2); // button?
    RTCC_init();
    PWM_init(PR_VALUE); //250 is 3kHz

    USB_CDC_init();
}
Example #20
0
int main(void) {
  	wdt_enable(WDTO_2S); /* Enable watchdog timer 2s */
	hardwareInit(); /* Initialize hardware (I/O) */  
  	usbInit(); /* Initialize USB stack processing */
	Setup_init();
  	speed_init();
  	PWM_init();
	KeyScan_init();
	
	switch (Setup_key12LED){
		case Setup_key12LED_Always:
		case Setup_key12LED_OftenOn:
			PWM_setOutputLevel(0,PWM_TotalLevel);
			PWM_setOutputLevel(1,PWM_TotalLevel);			
			break;
		case Setup_key12LED_Never:
		case Setup_key12LED_OftenOff:	
			PWM_setOutputLevel(0,0);
			PWM_setOutputLevel(1,0);			
	}
	


  	sei(); /* Enable global interrupts */
	WorkMode_set(WorkMode_Unused);

  	for(;;){  /* Main loop */
	    wdt_reset(); /* Reset the watchdog */
		
		usbPoll();

	    if(KeyScan_keyChanged && usbInterruptIsReady()){
	      KeyScan_keyChanged = 0;
		  buildReport();
	      usbSetInterrupt(reportBuffer, sizeof(reportBuffer));
	    }else{	
			if(TIFR0&(1<<TOV0)){	
				TIFR0 |= 1<<TOV0;
				PWM_Generator();
			}
				
		}		
  	}
  	return 0;
}
/*
 *  ======== MSP_EXP432P401R_initPWM ========
 */
void MSP_EXP432P401R_initPWM(void)
{
    /* Use Port Map on Port2 get Timer outputs on pins with LEDs (2.1, 2.2) */
   // const uint8_t portMap [] = {
     //   PM_NONE, PM_TA1CCR1A, PM_TA1CCR2A, PM_NONE,
       // PM_NONE, PM_NONE,     PM_NONE,     PM_NONE
    //};

    /* Mapping capture compare registers to Port 2 */
    //MAP_PMAP_configurePorts((const uint8_t *) portMap, (0x40005000) - (0x0010), 1,
      //  PMAP_DISABLE_RECONFIGURATION);

    /* Enable PWM output on GPIO pins */
    MAP_GPIO_setAsPeripheralModuleFunctionOutputPin(GPIO_PORT_P2,
        GPIO_PIN1 | GPIO_PIN2, GPIO_PRIMARY_MODULE_FUNCTION);

    PWM_init();
}
Example #22
0
int main(void)
{
	init_gpio();

	/* Setup Timers */
	init_timer_0A();
	init_timer_0B();
	
	// Default to theremin on startup
	turn_on_red_LED();

	PWM_init();
	init_ADC();
	init_nvic();

	init_pushButton();
	
	while(1)
	{}
}
Example #23
0
// ***********************************************************
// Main program
//
int main(void) {

	DDRD = 0x30; //4-5-pins output
	DDRB = 0xFF; //
	DDRC = 0xFF; //

	// External interrupt adjustments
	GICR |= 1 << INT0; //Enable INT0 (PD2)
	MCUCR &= ~(1 << ISC01); //The low level of INT0 generates an interrupt request.
	MCUCR &= ~(1 << ISC00);

	//UART Port speed 115200  for the crystal freq. 7.3MHz
	USART_init ();
	ADC_init();
	PWM_init();

	USART_transmit('c');// Change the directory on
	USART_transmit('d');//ARM to home. Cannot run
	USART_transmit(' ');///home/status STATUS__
	USART_transmit('/');//need to cd to /home
	USART_transmit('h');
	USART_transmit('o');
	USART_transmit('m');
	USART_transmit('e');
	USART_transmit(0x0A);

	while(1) {


		//Check if the status of controller changed then send via UART otherwise don't send
		if (memcmp ((char *)&PREV_AVR_STATUS, (char *)&AVR_STATUS, sizeof (avr_status)) !=  0 ) {
			send_status();
			//after sending the status make the previous status - actual
			memcpy ((char *)&PREV_AVR_STATUS, (char *)&AVR_STATUS, sizeof (avr_status));
		}
		_delay_us(10); // time which regulate the frequency of checking the status



	} // Infinite loop
}//int main(void)
Example #24
0
int main(void)
{
    PWM_init();
    
	CF_init(&alpha, &beta);
	
	PID_init(&pid_x, &pid_y);
	
	Flags_init();
    
	Timer1_init();
	
	Twi_init();
	
	Usart_init();

    deviceInit_adc();

    deviceInit_rc();
	
    if(!deviceInit() || !Flags_getBit(flags_deviceAdcInitialised) || !Flags_getBit(flags_deviceRcInitialised))
	{
		_exit();
	}
	
	// todo: workaround for slave initialization
	deviceInitialize(deviceID_slave, _true);

    // todo: workaround for gps initialization
    deviceInitialize(deviceID_gps, _true);
	
	//enable interrupts
	_enableInterrupts();

    while(1);
}	
Example #25
0
int main(void)
{
	uint16_t send_status_timeout = 25;
	uint32_t pos;
	uint8_t button_state = 0;
	uint8_t manual_dim_direction = 0;

	// delay 1s to avoid further communication with uart or RFM12 when my programmer resets the MC after 500ms...
	_delay_ms(1000);

	util_init();
	
	check_eeprom_compatibility(DEVICETYPE_DIMMER);
	
	// read packetcounter, increase by cycle and write back
	packetcounter = e2p_generic_get_packetcounter() + PACKET_COUNTER_WRITE_CYCLE;
	e2p_generic_set_packetcounter(packetcounter);

	// read device id
	device_id = e2p_generic_get_deviceid();

	// pwm translation table is not used if first byte is 0xFF
	use_pwm_translation = (0xFF != eeprom_read_UIntValue8(EEPROM_BRIGHTNESSTRANSLATIONTABLE_BYTE,
		EEPROM_BRIGHTNESSTRANSLATIONTABLE_BIT, 8, 0, 0xFF));
	
	// TODO: read (saved) dimmer state from before the eventual powerloss
	/*for (i = 0; i < SWITCH_COUNT; i++)
	{
		uint16_t u16 = eeprom_read_word((uint16_t*)EEPROM_POS_SWITCH_STATE + i * 2);
		switch_state[i] = (uint8_t)(u16 & 0b1);
		switch_timeout[i] = u16 >> 1;
	}*/
	
	// read last received station packetcounter
	station_packetcounter = e2p_dimmer_get_basestationpacketcounter();
	
	led_blink(500, 500, 3);

	osccal_init();

	uart_init();
	UART_PUTS ("\r\n");
	UART_PUTF4("smarthomatic Dimmer v%u.%u.%u (%08lx)\r\n", VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH, VERSION_HASH);
	UART_PUTS("(c) 2013..2014 Uwe Freese, www.smarthomatic.org\r\n");
	osccal_info();
	UART_PUTF ("DeviceID: %u\r\n", device_id);
	UART_PUTF ("PacketCounter: %lu\r\n", packetcounter);
	UART_PUTF ("Use PWM translation table: %u\r\n", use_pwm_translation);
	UART_PUTF ("Last received base station PacketCounter: %u\r\n\r\n", station_packetcounter);

	// init AES key
	eeprom_read_block (aes_key, (uint8_t *)EEPROM_AESKEY_BYTE, 32);

	rfm12_init();
	PWM_init();
	io_init();
	setPWMDutyCyclePercent(0);
	timer0_init();

	// DEMO to measure the voltages of different PWM settings to calculate the pwm_lookup table
	/*while (42)
	{
		uint16_t i;
		
		for (i = 0; i <= 1024; i = i + 100)
		{
			UART_PUTF ("PWM value OCR1A: %u\r\n", i);
			OCR1A = i;
			led_blink(500, 6500, 1);
		}
	}*/
	
	// DEMO 0..100..0%, using the pwm_lookup table and the translation table in EEPROM.
	/*while (42)
	{
		float i;
		
		for (i = 0; i <= 100; i = i + 0.05)
		{
			led_blink(10, 10, 1);
			setPWMDutyCycle(i);
		}
		
		for (i = 99.95; i > 0; i = i - 0.05)
		{
			led_blink(10, 10, 1);
			setPWMDutyCycle(i);
		}
	}*/

	// set initial switch state
	/*for (i = 0; i < SWITCH_COUNT; i++)
	{
		switchRelais(i, switch_state[i]);
	}*/

	sei();

	// DEMO 30s
	/*animation_length = 30;
	animation_length = (uint32_t)((float)animation_length * 1000 / ANIMATION_CYCLE_MS);
	start_brightness = 0;
	end_brightness = 255;
	animation_position = 0;*/
	
	while (42)
	{
		if (rfm12_rx_status() == STATUS_COMPLETE)
		{
			uint8_t len = rfm12_rx_len();
			
			if ((len == 0) || (len % 16 != 0))
			{
				UART_PUTF("Received garbage (%u bytes not multiple of 16): ", len);
				print_bytearray(bufx, len);
			}
			else // try to decrypt with all keys stored in EEPROM
			{
				memcpy(bufx, rfm12_rx_buffer(), len);
				
				UART_PUTS("Before decryption: ");
				print_bytearray(bufx, len);
					
				aes256_decrypt_cbc(bufx, len);

				UART_PUTS("Decrypted bytes: ");
				print_bytearray(bufx, len);
				
				if (!pkg_header_check_crc32(len))
				{
					UART_PUTS("Received garbage (CRC wrong after decryption).\r\n");
				}
				else
				{
					process_packet(len);
				}		
			}

			// tell the implementation that the buffer can be reused for the next data.
			rfm12_rx_clear();
		}

		_delay_ms(ANIMATION_UPDATE_MS);
		
		// React on button press.
		// - abort animation
		// - switch off, when brightness > 0
		// - switch on otherwise
		if (!(BUTTON_PORT & (1 << BUTTON_PIN))) // button press
		{
			if (button_state == 0)
			{
				UART_PUTS("Button pressed\r\n");
				animation_length = 0;
				animation_position = 0;
			}
			
			if (button_state < 5)
			{
				button_state++;
			}
			else // manual dimming
			{
				if (manual_dim_direction) // UP
				{
					if (current_brightness < 100)
					{
						current_brightness = (uint8_t)current_brightness / 2 * 2 + 2;
						setPWMDutyCyclePercent(current_brightness);
					}
					else
					{
						UART_PUTS("manual dimming DOWN\r\n");
						manual_dim_direction = 0;
					}
				}
				else // DOWN
				{
					if (current_brightness > 0)
					{
						current_brightness = (((uint8_t)current_brightness - 1) / 2) * 2;
						setPWMDutyCyclePercent(current_brightness);
					}
					else
					{
						UART_PUTS("manual dimming UP\r\n");
						manual_dim_direction = 1;
					}
				}
				
			}
		}
		else if (button_state && (BUTTON_PORT & (1 << BUTTON_PIN))) // button release
		{
			UART_PUTS("Button released\r\n");
			
			if (button_state < 5) // short button press
			{
				if (current_brightness > 0)
				{
					UART_PUTS(" -> 0%\r\n");
					setPWMDutyCyclePercent(0);
				}
				else
				{
					UART_PUTS(" -> 100%\r\n");
					setPWMDutyCyclePercent(100);
				}
			}
			else
			{
				// reverse dim direction
				manual_dim_direction = !manual_dim_direction;
			}
			
			button_state = 0;
		}
				
		// update brightness according animation_position, updated by timer0
		if (animation_length > 0)
		{
			pos = animation_position; // copy value to avoid that it changes in between by timer interrupt
			UART_PUTF2("%lu/%lu, ", pos, animation_length);
			
			if (pos == animation_length)
			{
				UART_PUTF("END Brightness %u%%, ", end_brightness);
				setPWMDutyCyclePercent((float)end_brightness);
				animation_length = 0;
				animation_position = 0;
			}
			else
			{			
				float brightness = (start_brightness + ((float)end_brightness - start_brightness) * pos / animation_length);
				UART_PUTF("Br.%u%%, ", (uint32_t)(brightness));
				setPWMDutyCyclePercent(brightness);
			}
		}			
		
		// send status from time to time
		if (send_status_timeout == 0)
		{
			send_status_timeout = SEND_STATUS_EVERY_SEC * (1000 / ANIMATION_UPDATE_MS);
			send_dimmer_status();
			led_blink(200, 0, 1);
		}
		else if (version_status_cycle >= SEND_VERSION_STATUS_CYCLE)
		{
			version_status_cycle = 0;
			send_version_status();
			led_blink(200, 0, 1);
		}

		rfm12_tick();
		send_status_timeout--;
		checkSwitchOff();
	}
	
	// never called
	// aes256_done(&aes_ctx);
}
Example #26
0
/*
 *  ======== Board_initPWM ========
 */
void Board_initPWM(void)
{
    PWM_init();
}
Example #27
0
File: main.c Project: hem1/EMPR
void stage4()
{
	PWM_init();
}
void main(void)
{
    CPU_Handle myCpu;
    PLL_Handle myPll;
    WDOG_Handle myWDog;

    // Initialize all the handles needed for this application
    myClk = CLK_init((void *)CLK_BASE_ADDR, sizeof(CLK_Obj));
    myCpu = CPU_init((void *)NULL, sizeof(CPU_Obj));
    myFlash = FLASH_init((void *)FLASH_BASE_ADDR, sizeof(FLASH_Obj));
    myGpio = GPIO_init((void *)GPIO_BASE_ADDR, sizeof(GPIO_Obj));
    myPie = PIE_init((void *)PIE_BASE_ADDR, sizeof(PIE_Obj));
    myPll = PLL_init((void *)PLL_BASE_ADDR, sizeof(PLL_Obj));
    myPwm1 = PWM_init((void *)PWM_ePWM1_BASE_ADDR, sizeof(PWM_Obj));
    myPwm2 = PWM_init((void *)PWM_ePWM2_BASE_ADDR, sizeof(PWM_Obj));
    myPwm3 = PWM_init((void *)PWM_ePWM3_BASE_ADDR, sizeof(PWM_Obj));
    myPwm4 = PWM_init((void *)PWM_ePWM4_BASE_ADDR, sizeof(PWM_Obj));
    myWDog = WDOG_init((void *)WDOG_BASE_ADDR, sizeof(WDOG_Obj));

    // Perform basic system initialization
    WDOG_disable(myWDog);
    CLK_enableAdcClock(myClk);
    (*Device_cal)();
    CLK_disableAdcClock(myClk);

    //Select the internal oscillator 1 as the clock source
    CLK_setOscSrc(myClk, CLK_OscSrc_Internal);

    // Setup the PLL for x12 /2 which will yield 60Mhz = 10Mhz * 12 / 2
    PLL_setup(myPll, PLL_Multiplier_12, PLL_DivideSelect_ClkIn_by_2);

    // Disable the PIE and all interrupts
    PIE_disable(myPie);
    PIE_disableAllInts(myPie);
    CPU_disableGlobalInts(myCpu);
    CPU_clearIntFlags(myCpu);

    // If running from flash copy RAM only functions to RAM
#ifdef _FLASH
    memcpy(&RamfuncsRunStart, &RamfuncsLoadStart, (size_t)&RamfuncsLoadSize);
#endif

// Step 1. Initialize System Control:
// PLL, WatchDog, enable Peripheral Clocks
// This example function is found in the f2802x_SysCtrl.c file.
//   InitSysCtrl();

// Step 2. Initialize GPIO:
// This example function is found in the f2802x_Gpio.c file and
// illustrates how to set the GPIO to it's default state.
// InitGpio();  // Skipped for this example
//   InitEPwmGpio();

// Step 3. Clear all interrupts and initialize PIE vector table:
// Disable CPU interrupts
//   DINT;

// Initialize the PIE control registers to their default state.
// The default state is all PIE interrupts disabled and flags
// are cleared.
// This function is found in the f2802x_PieCtrl.c file.
//   InitPieCtrl();

// Disable CPU interrupts and clear all CPU interrupt flags:
//   IER = 0x0000;
//   IFR = 0x0000;

// Initialize the PIE vector table with pointers to the shell Interrupt
// Service Routines (ISR).
// This will populate the entire table, even if the interrupt
// is not used in this example.  This is useful for debug purposes.
// The shell ISR routines are found in f2802x_DefaultIsr.c.
// This function is found in f2802x_PieVect.c.
//   InitPieVectTable();

// For this case just init GPIO pins for EPwm1, EPwm2, EPwm3, EPwm4
    GPIO_setPullUp(myGpio, GPIO_Number_0, GPIO_PullUp_Disable);
    GPIO_setPullUp(myGpio, GPIO_Number_1, GPIO_PullUp_Disable);
    GPIO_setMode(myGpio, GPIO_Number_0, GPIO_0_Mode_EPWM1A);
    GPIO_setMode(myGpio, GPIO_Number_1, GPIO_1_Mode_EPWM1B);

    GPIO_setPullUp(myGpio, GPIO_Number_2, GPIO_PullUp_Disable);
    GPIO_setPullUp(myGpio, GPIO_Number_3, GPIO_PullUp_Disable);
    GPIO_setMode(myGpio, GPIO_Number_2, GPIO_2_Mode_EPWM2A);
    GPIO_setMode(myGpio, GPIO_Number_3, GPIO_3_Mode_EPWM2B);

    GPIO_setPullUp(myGpio, GPIO_Number_4, GPIO_PullUp_Disable);
    GPIO_setPullUp(myGpio, GPIO_Number_5, GPIO_PullUp_Disable);
    GPIO_setMode(myGpio, GPIO_Number_4, GPIO_4_Mode_EPWM3A);
    GPIO_setMode(myGpio, GPIO_Number_5, GPIO_5_Mode_EPWM3B);

    GPIO_setPullUp(myGpio, GPIO_Number_6, GPIO_PullUp_Disable);
    GPIO_setPullUp(myGpio, GPIO_Number_7, GPIO_PullUp_Disable);
    GPIO_setMode(myGpio, GPIO_Number_6, GPIO_6_Mode_EPWM4A);
    GPIO_setMode(myGpio, GPIO_Number_7, GPIO_7_Mode_EPWM4B);

// Setup a debug vector table and enable the PIE
    PIE_setDebugIntVectorTable(myPie);
    PIE_enable(myPie);

    CLK_enablePwmClock(myClk, PWM_Number_1);
    CLK_enablePwmClock(myClk, PWM_Number_2);
    CLK_enablePwmClock(myClk, PWM_Number_3);
    CLK_enablePwmClock(myClk, PWM_Number_4);
    CLK_enableHrPwmClock(myClk);

// For this example, only initialize the ePWM
// Step 4. User specific code, enable interrupts:
    UpdateFine = 1;
    PeriodFine = 0;
    status = SFO_INCOMPLETE;

   // Calling SFO() updates the HRMSTEP register with calibrated MEP_ScaleFactor.
   // HRMSTEP must be populated with a scale factor value prior to enabling
   // high resolution period control.

    while  (status== SFO_INCOMPLETE) // Call until complete
    {
        status = SFO();
        if (status == SFO_ERROR)
        {
            error();    // SFO function returns 2 if an error occurs & # of MEP steps/coarse step
        }               // exceeds maximum of 255.
    }

// Some useful Period vs Frequency values
//  SYSCLKOUT =     60 MHz       40 MHz
//  --------------------------------------
//  Period          Frequency    Frequency
//  1000            60 kHz       40 kHz
//  800             75 kHz       50 kHz
//  600             100 kHz      67 kHz
//  500             120 kHz      80 kHz
//  250             240 kHz      160 kHz
//  200             300 kHz      200 kHz
//  100             600 kHz      400 kHz
//  50              1.2 Mhz      800 kHz
//  25              2.4 Mhz      1.6 MHz
//  20              3.0 Mhz      2.0 MHz
//  12              5.0 MHz      3.3 MHz
//  10              6.0 MHz      4.0 MHz
//  9               6.7 MHz      4.4 MHz
//  8               7.5 MHz      5.0 MHz
//  7               8.6 MHz      5.7 MHz
//  6               10.0 MHz     6.6 MHz
//  5               12.0 MHz     8.0 MHz

//====================================================================
// ePWM and HRPWM register initialization
//====================================================================

    CLK_disableTbClockSync(myClk);

    HRPWM_Config(myPwm1, 30);        // ePWMx target
    HRPWM_Config(myPwm2, 30);        // ePWMx target
    HRPWM_Config(myPwm3, 30);        // ePWMx target
    HRPWM_Config(myPwm4, 30);        // ePWMx target

    CLK_enableTbClockSync(myClk);


    PWM_forceSync(myPwm1);
    PWM_forceSync(myPwm2);
    PWM_forceSync(myPwm3);
    PWM_forceSync(myPwm4);

   for(;;)
   {
        // Sweep PeriodFine as a Q16 number from 0.2 - 0.999
        for(PeriodFine = 0x3333; PeriodFine < 0xFFBF; PeriodFine++)
        {
            if(UpdateFine)
            {
            /*
            // Because auto-conversion is enabled, the desired
            // fractional period must be written directly to the
            // TBPRDHR (or TBPRDHRM) register in Q16 format
            // (lower 8-bits are ignored)

            EPwm1Regs.TBPRDHR = PeriodFine;

            // The hardware will automatically scale
            // the fractional period by the MEP_ScaleFactor
            // in the HRMSTEP register (which is updated
            // by the SFO calibration software).

            // Hardware conversion:
            // MEP delay movement = ((TBPRDHR(15:0) >> 8) *  HRMSTEP(7:0) + 0x80) >> 8

            */

//                for(i=1;i<PWM_CH;i++)
//                {
//                    (*ePWM[i]).TBPRDHR = PeriodFine; //In Q16 format
//                }
                PWM_setPeriodHr(myPwm1, PeriodFine);
                PWM_setPeriodHr(myPwm2, PeriodFine);
                PWM_setPeriodHr(myPwm3, PeriodFine);
                PWM_setPeriodHr(myPwm4, PeriodFine);

            }
            else
            {
            // No high-resolution movement on TBPRDHR.

//                for(i=1;i<PWM_CH;i++)
//                {
//                 (*ePWM[i]).TBPRDHR = 0;
//                }
                PWM_setPeriodHr(myPwm1, 0);
                PWM_setPeriodHr(myPwm2, 0);
                PWM_setPeriodHr(myPwm3, 0);
                PWM_setPeriodHr(myPwm4, 0);
            }

            // Call the scale factor optimizer lib function SFO()
            // periodically to track for any change due to temp/voltage.
            // This function generates MEP_ScaleFactor by running the
            // MEP calibration module in the HRPWM logic. This scale
            // factor can be used for all HRPWM channels. HRMSTEP
            // register is automatically updated by the SFO function.

            status = SFO(); // in background, MEP calibration module continuously updates MEP_ScaleFactor
            if (status == SFO_ERROR) {
                error();   // SFO function returns 2 if an error occurs & # of MEP steps/coarse step
            }              // exceeds maximum of 255.

        } // end PeriodFine for loop

    }     // end infinite for loop

}         // end main
void main(void)
{
    CPU_Handle myCpu;
    PLL_Handle myPll;
    WDOG_Handle myWDog;

    // Initialize all the handles needed for this application
    myClk = CLK_init((void *)CLK_BASE_ADDR, sizeof(CLK_Obj));
    myCpu = CPU_init((void *)NULL, sizeof(CPU_Obj));
    myFlash = FLASH_init((void *)FLASH_BASE_ADDR, sizeof(FLASH_Obj));
    myGpio = GPIO_init((void *)GPIO_BASE_ADDR, sizeof(GPIO_Obj));
    myPie = PIE_init((void *)PIE_BASE_ADDR, sizeof(PIE_Obj));
    myPll = PLL_init((void *)PLL_BASE_ADDR, sizeof(PLL_Obj));
    myPwm1 = PWM_init((void *)PWM_ePWM1_BASE_ADDR, sizeof(PWM_Obj));
    myPwm2 = PWM_init((void *)PWM_ePWM2_BASE_ADDR, sizeof(PWM_Obj));
    myPwm3 = PWM_init((void *)PWM_ePWM3_BASE_ADDR, sizeof(PWM_Obj));
    myPwm4 = PWM_init((void *)PWM_ePWM4_BASE_ADDR, sizeof(PWM_Obj));
    myWDog = WDOG_init((void *)WDOG_BASE_ADDR, sizeof(WDOG_Obj));

    // Perform basic system initialization
    WDOG_disable(myWDog);
    CLK_enableAdcClock(myClk);
    (*Device_cal)();
    CLK_disableAdcClock(myClk);

    //Select the internal oscillator 1 as the clock source
    CLK_setOscSrc(myClk, CLK_OscSrc_Internal);

    // Setup the PLL for x12 /2 which will yield 60Mhz = 10Mhz * 12 / 2
    PLL_setup(myPll, PLL_Multiplier_12, PLL_DivideSelect_ClkIn_by_2);

    // Disable the PIE and all interrupts
    PIE_disable(myPie);
    PIE_disableAllInts(myPie);
    CPU_disableGlobalInts(myCpu);
    CPU_clearIntFlags(myCpu);

    // If running from flash copy RAM only functions to RAM
#ifdef _FLASH
    memcpy(&RamfuncsRunStart, &RamfuncsLoadStart, (size_t)&RamfuncsLoadSize);
#endif

// Step 1. Initialize System Control:
// PLL, WatchDog, enable Peripheral Clocks
// This example function is found in the f2802x_SysCtrl.c file.
//   InitSysCtrl();

// Step 2. Initialize GPIO:
// This example function is found in the f2802x_Gpio.c file and
// illustrates how to set the GPIO to it's default state.
// InitGpio();  // Skipped for this example
//   InitEPwmGpio();

// Step 3. Clear all interrupts and initialize PIE vector table:
// Disable CPU interrupts
//   DINT;

// Initialize the PIE control registers to their default state.
// The default state is all PIE interrupts disabled and flags
// are cleared.
// This function is found in the f2802x_PieCtrl.c file.
//   InitPieCtrl();

// Disable CPU interrupts and clear all CPU interrupt flags:
//   IER = 0x0000;
//   IFR = 0x0000;

// Initialize the PIE vector table with pointers to the shell Interrupt
// Service Routines (ISR).
// This will populate the entire table, even if the interrupt
// is not used in this example.  This is useful for debug purposes.
// The shell ISR routines are found in f2802x_DefaultIsr.c.
// This function is found in f2802x_PieVect.c.
//   InitPieVectTable();

// For this case just init GPIO pins for EPwm1, EPwm2, EPwm3, EPwm4
    GPIO_setPullUp(myGpio, GPIO_Number_0, GPIO_PullUp_Disable);
    GPIO_setPullUp(myGpio, GPIO_Number_1, GPIO_PullUp_Disable);
    GPIO_setMode(myGpio, GPIO_Number_0, GPIO_0_Mode_EPWM1A);
    GPIO_setMode(myGpio, GPIO_Number_1, GPIO_1_Mode_EPWM1B);

    GPIO_setPullUp(myGpio, GPIO_Number_2, GPIO_PullUp_Disable);
    GPIO_setPullUp(myGpio, GPIO_Number_3, GPIO_PullUp_Disable);
    GPIO_setMode(myGpio, GPIO_Number_2, GPIO_2_Mode_EPWM2A);
    GPIO_setMode(myGpio, GPIO_Number_3, GPIO_3_Mode_EPWM2B);

    GPIO_setPullUp(myGpio, GPIO_Number_4, GPIO_PullUp_Disable);
    GPIO_setPullUp(myGpio, GPIO_Number_5, GPIO_PullUp_Disable);
    GPIO_setMode(myGpio, GPIO_Number_4, GPIO_4_Mode_EPWM3A);
    GPIO_setMode(myGpio, GPIO_Number_5, GPIO_5_Mode_EPWM3B);

    GPIO_setPullUp(myGpio, GPIO_Number_6, GPIO_PullUp_Disable);
    GPIO_setPullUp(myGpio, GPIO_Number_7, GPIO_PullUp_Disable);
    GPIO_setMode(myGpio, GPIO_Number_6, GPIO_6_Mode_EPWM4A);
    GPIO_setMode(myGpio, GPIO_Number_7, GPIO_7_Mode_EPWM4B);

// Setup a debug vector table and enable the PIE
    PIE_setDebugIntVectorTable(myPie);
    PIE_enable(myPie);

// Step 4. Initialize the Device Peripherals:
    CLK_enablePwmClock(myClk, PWM_Number_1);
    CLK_enablePwmClock(myClk, PWM_Number_2);
    CLK_enablePwmClock(myClk, PWM_Number_3);
    CLK_enablePwmClock(myClk, PWM_Number_4);
    CLK_enableHrPwmClock(myClk);

// For this example, only initialize the ePWM
// Step 5. User specific code, enable interrupts:

   // Calling SFO() updates the HRMSTEP register with calibrated MEP_ScaleFactor.
   // HRMSTEP must be populated with a scale factor value prior to enabling
   // high resolution period control.

    status = SFO_INCOMPLETE;
    while  (status== SFO_INCOMPLETE) // Call until complete
    {
        status = SFO();
        if (status == SFO_ERROR)
        {
            error();   // SFO function returns 2 if an error occurs & # of MEP steps/coarse step
        }              // exceeds maximum of 255.
    }

// Some useful PWM period vs Frequency values
//  TBCLK = 60 MHz
//===================
//  Period   Freq
//  1000     30 KHz
//  800    37.5 KHz
//  600      50 KHz
//  500      60 KHz
//  250     120 KHz
//  200     150 KHz
//  100     300 KHz
//  50      600 KHz
//  30        1 MHz
//  25      1.2 MHz
//  20      1.5 MHz
//  12      2.5 MHz
//  10        3 MHz
//  9       3.3 MHz
//  8       3.8 MHz
//  7       4.3 MHz
//  6       5.0 MHz
//  5       6.0 MHz

//====================================================================
// ePWM and HRPWM register initialization
//====================================================================
    Period = 500;
    PeriodFine=0xFFBF;

    CLK_disableTbClockSync(myClk);

    HRPWM_Config(myPwm1, Period, 1);
    HRPWM_Config(myPwm2, Period, 0);
    HRPWM_Config(myPwm3, Period, 0);
    HRPWM_Config(myPwm4, Period, 0);

    CLK_enableTbClockSync(myClk);

   // Software Control variables
   Increment_Freq = 1;
   Increment_Freq_Fine = 1;
   IsrTicker = 0;
   UpdatePeriod = 0;
   UpdatePeriodFine = 0;

   // User control variables:
   UpdateCoarse = 0;
   UpdateFine = 1;

   // Reassign ISRs.
    PIE_registerPieIntHandler(myPie, PIE_GroupNumber_3, PIE_SubGroupNumber_1,
                              (intVec_t)&MainISR);

// Enable PIE group 3 interrupt 1 for EPWM1_INT
    PIE_enableInt(myPie, PIE_GroupNumber_3, PIE_InterruptSource_EPWM1);

// Enable CNT_zero interrupt using EPWM1 Time-base
    PWM_setIntMode(myPwm1, PWM_IntMode_CounterEqualZero);   // Select INT on Zero event
    PWM_enableInt(myPwm1);                                  // Enable INT
    PWM_setIntPeriod(myPwm1, PWM_IntPeriod_FirstEvent);     // Generate INT on 3rd event
    PWM_clearIntFlag(myPwm1);

// Enable CPU INT3 for EPWM1_INT:
    CPU_enableInt(myCpu, CPU_IntNumber_3);

// Enable global Interrupts and higher priority real-time debug events:
    CPU_enableGlobalInts(myCpu);
    CPU_enableDebugInt(myCpu);

   PWM_forceSync(myPwm1); // Synchronize high resolution phase to start HR period

   for(;;)
   {
        // The below code controls coarse edge movement
        if(UpdateCoarse==1)
        {
            if(Increment_Freq==1)           //Increase frequency to 600 kHz
                Period= Period - 1;
            else
                Period= Period + 1;         //Decrease frequency to 300 kHz

            if(Period<100 && Increment_Freq==1)
                Increment_Freq=0;
            else if(Period>500 && Increment_Freq==0)
                Increment_Freq=1;

            UpdatePeriod=1;
        }

        // The below code controls high-resolution fine edge movement
        if(UpdateFine==1)
        {
            if(Increment_Freq_Fine==1)    // Increase high-resolution frequency
                PeriodFine=PeriodFine-1;
            else
                PeriodFine=PeriodFine+1; // Decrement high-resolution frequency

            if(PeriodFine<=0x3333 && Increment_Freq_Fine==1)
                Increment_Freq_Fine=0;
            else if(PeriodFine>= 0xFFBF && Increment_Freq_Fine==0)
                Increment_Freq_Fine=1;

            UpdatePeriodFine=1;
        }

        // Call the scale factor optimizer lib function SFO()
        // periodically to track for any change due to temp/voltage.
        // This function generates MEP_ScaleFactor by running the
        // MEP calibration module in the HRPWM logic. This scale
        // factor can be used for all HRPWM channels. HRMSTEP
        // register is automatically updated by the SFO function.

        status = SFO(); // in background, MEP calibration module continuously updates MEP_ScaleFactor
        if (status == SFO_ERROR)
        {
            error();   // SFO function returns 2 if an error occurs & # of MEP steps/coarse step
        }              // exceeds maximum of 255.
    }
}// end main
Example #30
0
int main(void)
{
	uint16_t send_status_timeout = 25;
	uint32_t station_packetcounter;
	uint32_t pos;
	uint8_t button_state = 0;
	uint8_t manual_dim_direction = 0;

	// delay 1s to avoid further communication with uart or RFM12 when my programmer resets the MC after 500ms...
	_delay_ms(1000);

	util_init();
	check_eeprom_compatibility(DEVICE_TYPE_DIMMER);

	osccal_init();
	
	// read packetcounter, increase by cycle and write back
	packetcounter = eeprom_read_dword((uint32_t*)EEPROM_POS_PACKET_COUNTER) + PACKET_COUNTER_WRITE_CYCLE;
	eeprom_write_dword((uint32_t*)EEPROM_POS_PACKET_COUNTER, packetcounter);

	// read device id and write to send buffer
	device_id = eeprom_read_byte((uint8_t*)EEPROM_POS_DEVICE_ID);	
	use_pwm_translation = 1; //eeprom_read_byte((uint8_t*)EEPROM_POS_USE_PWM_TRANSLATION);	
	
	// TODO: read (saved) dimmer state from before the eventual powerloss
	/*for (i = 0; i < SWITCH_COUNT; i++)
	{
		uint16_t u16 = eeprom_read_word((uint16_t*)EEPROM_POS_SWITCH_STATE + i * 2);
		switch_state[i] = (uint8_t)(u16 & 0b1);
		switch_timeout[i] = u16 >> 1;
	}*/
	
	// read last received station packetcounter
	station_packetcounter = eeprom_read_dword((uint32_t*)EEPROM_POS_STATION_PACKET_COUNTER);

	led_blink(200, 200, 5);

#ifdef UART_DEBUG
	uart_init(false);
	UART_PUTS ("\r\n");
	UART_PUTS ("smarthomatic Dimmer V1.0 (c) 2013 Uwe Freese, www.smarthomatic.org\r\n");
	osccal_info();
	UART_PUTF ("Device ID: %u\r\n", device_id);
	UART_PUTF ("Packet counter: %lu\r\n", packetcounter);
	UART_PUTF ("Use PWM translation table: %u\r\n", use_pwm_translation);
	UART_PUTF ("Last received station packet counter: %u\r\n\r\n", station_packetcounter);
#endif

	// init AES key
	eeprom_read_block (aes_key, (uint8_t *)EEPROM_POS_AES_KEY, 32);

	rfm12_init();
	PWM_init();
	io_init();
	setPWMDutyCycle(0);
	timer0_init();

	// DEMO to measure the voltages of different PWM settings to calculate the pwm_lookup table
	/*while (42)
	{
		uint16_t i;
		
		for (i = 0; i <= 1024; i = i + 100)
		{
			UART_PUTF ("PWM value OCR1A: %u\r\n", i);
			OCR1A = i;
			led_blink(500, 6500, 1);
		}
	}*/
	
	// DEMO 0..100..0%, using the pwm_lookup table and the translation table in EEPROM.
	/*while (42)
	{
		float i;
		
		for (i = 0; i <= 100; i = i + 0.05)
		{
			led_blink(10, 10, 1);
			setPWMDutyCycle(i);
		}
		
		for (i = 99.95; i > 0; i = i - 0.05)
		{
			led_blink(10, 10, 1);
			setPWMDutyCycle(i);
		}
	}*/

	// set initial switch state
	/*for (i = 0; i < SWITCH_COUNT; i++)
	{
		switchRelais(i, switch_state[i]);
	}*/

	sei();

	// DEMO 30s
	/*animation_length = 30;
	animation_length = (uint32_t)((float)animation_length * 1000 / ANIMATION_CYCLE_MS);
	start_brightness = 0;
	end_brightness = 255;
	animation_position = 0;*/
	
	while (42)
	{
		if (rfm12_rx_status() == STATUS_COMPLETE)
		{
			uint8_t len = rfm12_rx_len();
			
			if ((len == 0) || (len % 16 != 0))
			{
				UART_PUTF("Received garbage (%u bytes not multiple of 16): ", len);
				printbytearray(bufx, len);
			}
			else // try to decrypt with all keys stored in EEPROM
			{
				memcpy(bufx, rfm12_rx_buffer(), len);
				
				//UART_PUTS("Before decryption: ");
				//printbytearray(bufx, len);
					
				aes256_decrypt_cbc(bufx, len);

				//UART_PUTS("Decrypted bytes: ");
				//printbytearray(bufx, len);

				uint32_t assumed_crc = getBuf32(len - 4);
				uint32_t actual_crc = crc32(bufx, len - 4);
				
				//UART_PUTF("Received CRC32 would be %lx\r\n", assumed_crc);
				//UART_PUTF("Re-calculated CRC32 is  %lx\r\n", actual_crc);
				
				if (assumed_crc != actual_crc)
				{
					UART_PUTS("Received garbage (CRC wrong after decryption).\r\n");
				}
				else
				{
					//UART_PUTS("CRC correct, AES key found!\r\n");
					UART_PUTS("         Received: ");
					printbytearray(bufx, len - 4);
					
					// decode command and react
					uint8_t sender = bufx[0];
					
					UART_PUTF("           Sender: %u\r\n", sender);
					
					if (sender != 0)
					{
						UART_PUTF("Packet not from base station. Ignoring (Sender ID was: %u).\r\n", sender);
					}
					else
					{
						uint32_t packcnt = getBuf32(1);

						UART_PUTF("   Packet Counter: %lu\r\n", packcnt);

						// check received counter
						if (0) //packcnt <= station_packetcounter)
						{
							UART_PUTF2("Received packet counter %lu is lower than last received counter %lu. Ignoring packet.\r\n", packcnt, station_packetcounter);
						}
						else
						{
							// write received counter
							station_packetcounter = packcnt;
							eeprom_write_dword((uint32_t*)EEPROM_POS_STATION_PACKET_COUNTER, station_packetcounter);
							
							// check command ID
							uint8_t cmd = bufx[5];

							UART_PUTF("       Command ID: %u\r\n", cmd);
							
							if (cmd != 141) // ID 141 == Dimmer Request
							{
								UART_PUTF("Received unknown command ID %u. Ignoring packet.\r\n", cmd);
							}
							else
							{
								// check device id
								uint8_t rcv_id = bufx[6];

								UART_PUTF("      Receiver ID: %u\r\n", rcv_id);
								
								if (rcv_id != device_id)
								{
									UART_PUTF("Device ID %u does not match. Ignoring packet.\r\n", rcv_id);
								}
								else
								{
									// read animation mode and parameters
									uint8_t animation_mode = bufx[7] >> 5;
									
									// TODO: Implement support for multiple dimmers (e.g. RGB)
									// uint8_t dimmer_bitmask = bufx[7] & 0b111;
									
									animation_length = getBuf16(8);
									start_brightness = bufx[10];
									end_brightness = bufx[11];

									UART_PUTF("   Animation Mode: %u\r\n", animation_mode); // TODO: Set binary mode like 00010110
									//UART_PUTF("   Dimmer Bitmask: %u\r\n", dimmer_bitmask);
									UART_PUTF("   Animation Time: %us\r\n", animation_length);
									UART_PUTF(" Start Brightness: %u\r\n", start_brightness);
									UART_PUTF("   End Brightness: %u\r\n", end_brightness);
									
									animation_length = (uint32_t)((float)animation_length * 1000 / ANIMATION_CYCLE_MS);
									animation_position = 0;
									
									/* TODO: Write to EEPROM (?)
									// write back switch state to EEPROM
									switch_state[i] = req_state;
									switch_timeout[i] = req_timeout;
									
									eeprom_write_word((uint16_t*)EEPROM_POS_SWITCH_STATE + i * 2, u16);
									
									*/
									
									// send acknowledge
									UART_PUTS("Sending ACK:\r\n");

									// set device ID (base station has ID 0 by definition)
									bufx[0] = device_id;
									
									// update packet counter
									packetcounter++;
									
									if (packetcounter % PACKET_COUNTER_WRITE_CYCLE == 0)
									{
										eeprom_write_dword((uint32_t*)0, packetcounter);
									}

									setBuf32(1, packetcounter);

									// set command ID "Generic Acknowledge"
									bufx[5] = 1;
									
									// set sender ID of request
									bufx[6] = sender;
									
									// set Packet counter of request
									setBuf32(7, station_packetcounter);

									// zero unused bytes
									bufx[11] = 0;
									
									// set CRC32
									uint32_t crc = crc32(bufx, 12);
									setBuf32(12, crc);

									// show info
									UART_PUTF("            CRC32: %lx\r\n", crc);
									uart_putstr("      Unencrypted: ");
									printbytearray(bufx, 16);

									rfm12_sendbuf();
									
									UART_PUTS("   Send encrypted: ");
									printbytearray(bufx, 16);
									UART_PUTS("\r\n");
								
									rfm12_tick();
									
									led_blink(200, 0, 1);
									
									send_status_timeout = 25;
								}
							}
						}
					}
				}
				
			}

			// tell the implementation that the buffer can be reused for the next data.
			rfm12_rx_clear();
		}

		_delay_ms(ANIMATION_UPDATE_MS);
		
		// React on button press.
		// - abort animation
		// - switch off, when brightness > 0
		// - switch on otherwise
		if (!(BUTTON_PORT & (1 << BUTTON_PIN))) // button press
		{
			if (button_state == 0)
			{
				UART_PUTS("Button pressed\r\n");
				animation_length = 0;
				animation_position = 0;
			}
			
			if (button_state < 5)
			{
				button_state++;
			}
			else // manual dimming
			{
				if (manual_dim_direction) // UP
				{
					if (current_brightness < 100)
					{
						current_brightness = (uint8_t)current_brightness / 2 * 2 + 2;
						setPWMDutyCycle(current_brightness);
					}
					else
					{
						UART_PUTS("manual dimming DOWN\r\n");
						manual_dim_direction = 0;
					}
				}
				else // DOWN
				{
					if (current_brightness > 0)
					{
						current_brightness = (((uint8_t)current_brightness - 1) / 2) * 2;
						setPWMDutyCycle(current_brightness);
					}
					else
					{
						UART_PUTS("manual dimming UP\r\n");
						manual_dim_direction = 1;
					}
				}
				
			}
		}
		else if (button_state && (BUTTON_PORT & (1 << BUTTON_PIN))) // button release
		{
			UART_PUTS("Button released\r\n");
			
			if (button_state < 5) // short button press
			{
				if (current_brightness > 0)
				{
					UART_PUTS(" -> 0%\r\n");
					setPWMDutyCycle(0);
				}
				else
				{
					UART_PUTS(" -> 100%\r\n");
					setPWMDutyCycle(100);
				}
			}
			else
			{
				// reverse dim direction
				manual_dim_direction = !manual_dim_direction;
			}
			
			button_state = 0;
		}
				
		// update brightness according animation_position, updated by timer0
		if (animation_length > 0)
		{
			pos = animation_position; // copy value to avoid that it changes in between by timer interrupt
			UART_PUTF2("%lu/%lu, ", pos, animation_length);
			
			if (pos == animation_length)
			{
				UART_PUTF("END Brightness %u%%, ", end_brightness * 100 / 255);
				setPWMDutyCycle((float)end_brightness * 100 / 255);
				animation_length = 0;
				animation_position = 0;
			}
			else
			{			
				float brightness = (start_brightness + ((float)end_brightness - start_brightness) * pos / animation_length) * 100 / 255;
				UART_PUTF("Br.%u%%, ", (uint32_t)(brightness));
				setPWMDutyCycle(brightness);
			}
		}			
		
		// send status from time to time
		if (send_status_timeout == 0)
		{
			send_status_timeout = SEND_STATUS_EVERY_SEC * (1000 / ANIMATION_UPDATE_MS);
			send_dimmer_status();
			led_blink(200, 0, 1);
		}

		rfm12_tick();
		send_status_timeout--;
		checkSwitchOff();
	}