static void usart_rx_task(void *pvParameters)
{
    uint8_t i=0;
    char data_buf[BUFFER_LENGTH];
    for (;;) {
	if (pdPASS == xQueueReceive(usart_rxq, &data_buf[i], portMAX_DELAY)) {
#ifdef USART_ECHO
	    USART_SendByte(data_buf[i]);
#endif
	    if (data_buf[i]=='\r') {
		data_buf[i+1]='\0';
		if (i) {
		    USART_SendString("\r\nReceived data: ");
		    USART_SendString(data_buf);
		};
#ifndef USART_ECHO
		USART_SendByte('\r');
#endif
		USART_SendByte('\n');
		i=0;
	    } else if (i<BUFFER_LENGTH-1)
		i++;
	}
    }
    vTaskDelete(NULL);
}
int main(void) {

	rcc_init();
	GPIO_init();
	USART2_init();

	USART_SendString("Hello World\n");
    while (1) {
    	if (USART_ReceiveChar() == 'g'){
    		USART_SendString("Received your message\r\n");
    	}
    }
}
int main(void)
{
    GPIO_Config();
    USART_Config();

    USART_SendString("Hello");
    USART_SendByte('!');
    USART_SendString("\r\n");

    xTaskCreate(vLedTask,(signed char*) "LedTask", configMINIMAL_STACK_SIZE, (void *) NULL, tskIDLE_PRIORITY + 2, NULL);
    vTaskStartScheduler();

}
Exemple #4
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int main(void)
{	
  SysTick_Config(SystemCoreClock/1000);
	STM_EVAL_LEDInit(LED3); // Oranzova
	STM_EVAL_LEDInit(LED4); // Zelena
	STM_EVAL_LEDInit(LED5); // Cervena
	STM_EVAL_LEDInit(LED6); // Modra
	
	STM_EVAL_LEDOn(LEDG);
	Delay(1000);
	STM_EVAL_LEDOff(LEDG);
	
	Init_Measure();
	Init_Comunication();
	init_output();
	timer_init();
	
	STM_EVAL_PBInit(BUTTON_USER, BUTTON_MODE_EXTI);
	
	USART_SendString(USART6, "\nSwitching Power Source Welcome\n");
  while(1)
  {
		if((Time-Last_Blink > 75) && output){
			STM_EVAL_LEDToggle(LEDB);
			Last_Blink=Time;
		}else if(Time-Last_Blink > 75){
			STM_EVAL_LEDOn(LEDB);
		}

		loop++;
		f = loop/(Time/1000);
  }
}
Exemple #5
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void proccess_rx(void) {
	uint32_t u, i;

	switch (rx_buffer[0]) {
	case 'q':
		GPIO_SetBits(GPIOC, GPIO_Pin_0);
		USART_SendString(USART6, "PC0 ON\n");
		break;
	case 'a':
		GPIO_ResetBits(GPIOC, GPIO_Pin_0);
		USART_SendString(USART6, "PC0 OFF\n");
		break;
	default:
		USART_SendString(USART6, "Unknown command\n");
		break;
	}
}
int main(void)
{
	TSDS18x20 DS18x20;
	TSDS18x20 *pDS18x20 = &DS18x20;
	char buffer[10];
	
	// AVR serial port init
	USART_init(103);
	
	// Init DS18B20 sensor
	if (DS18x20_Init(pDS18x20,&PORTD,PD5))
	{
		USART_SendString("Error!!! Can not find 1-Wire device attached on the bus!");
		return -1;
	}
	else
		USART_SendString("1-Wire device detected on the bus.");
	USART_SendChar(0x0D);

	// Set DS18B20 resolution to 9 bits.
	DS18x20_SetResolution(pDS18x20,CONF_RES_9b);
	DS18x20_WriteScratchpad(pDS18x20);
	
	// Initiate a temperature conversion and get the temperature reading
	if (DS18x20_MeasureTemperature(pDS18x20))
	{
		// Send the temperature over serial port
		USART_SendString("Current Temperature is: ");
		dtostrf(DS18x20_TemperatureValue(pDS18x20),9,4,buffer);
		USART_SendString(buffer);
		USART_SendChar('C');
		USART_SendChar(0x0D);
	}
	else
		USART_SendString("CRC error!!!");
	
	while(1);
	
	return 0;

}
void USART_SendNumber(USART_TypeDef* USARTx, uint32_t n){
	char buffer[15];
	char *p;
	buffer[14] = 0;
	p = buffer+14;
	
	while(n>0){
		p--;
		*p = (n%10)+'0';
	  n = n/10;
	}
	USART_SendString(USARTx, p);
}
void USART_SendHex(USART_TypeDef* USARTx, uint32_t n){
  char buffer[11];
	uint8_t i; 
	buffer[0] = '0';
	buffer[1] = 'x';
	buffer[10] = 0;
	
	for(i=0; i<8; i++){
		buffer[9-i] = "0123456789ABCDEF"[n & 0xF];
		n = n >> 4;
	}
	
	USART_SendString(USARTx, buffer);
}
Exemple #9
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int main(void) {
	SysTick_Config(SystemCoreClock / 1000);
	STM_EVAL_LEDInit(LED3); // Oranzova
	STM_EVAL_LEDInit(LED4); // Zelena
	STM_EVAL_LEDInit(LED5); // Cervena
	STM_EVAL_LEDInit(LED6); // Modra

	GPIOD->BSRRL = LED_G;
	Delay(1000);
	GPIOD->BSRRH = LED_G;
	Init_Comunication();
	timer_init();

	USART_SendString(USART6, "\nSwitching Power Source Welcome\n");
	while (1) {
		GPIOD->ODR ^= LED_B;
		Delay(100);
	}
}
Exemple #10
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void initialize( void )
{
	CPU_PRESCALE(0);
	
	USART_Init(BAUD_RATE);
	USART_Transmit('\f');	// Send form feed to clear the terminal.
	USART_SendString("WunderBoard initializing...\r\n");
	
	USART_SendString("\tSetting ADC prescaler and disabling free running mode...\r\n");
	SetupADC(ADC_PRESCALER_32, FALSE);
	
	USART_SendString("\tEnabling ADC...\r\n");
	ADCEnable();
	
	USART_SendString("\tSetting ADC reference to Vcc...\r\n");
	ADCSetReference(ADC_REF_VCC);
	
	// Configure IO //
	USART_SendString("\tConfiguring IO...\r\n");
	//DDRx corresponds to PORTx/PINx, dependng on direction of data flow -- PORT for output, PIN for input
	DDRA = 0x00;	// Buttons and switches
	DDRB = 0xE7;	// Red enable, green enable and audio out
	DDRC = 0xff;	// Discrete LEDs
	DDRE = 0x47;	// LED Column
	DDRF = 0x00;	// Accelerometer
	
	// Disable pullups and set outputs low //
	PORTA = 0x00;
	PORTB = 0x01;
	PORTC = 0x81;
	PORTE = 0x00;
	PORTF = 0x00;
	
	//Set OC1A to toggle
	TCCR1A = 0b01000000;
	// Clk/64 and CTC mode
	TCCR1B = 0b00001011;

	OCR1A = 24;

	USART_SendString("\tSetting SPI\r\n");
	
	//Set the SPI bus appropriately to use the LED array
	SPCR = (1<<SPE)|(1<<MSTR)|(1<<SPR0);

}
Exemple #11
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void proccess_rx(void){
	uint32_t u, i;
	
	switch(rx_buffer[0]){
		case 'g':
			u = Actual_U;
			i = Actual_I;
			USART_SendString(USART6, "U:");
			USART_SendNumber(USART6, u);
			USART_SendString(USART6, ", I:");
			USART_SendNumber(USART6, i);
			USART_SendString(USART6, "\n");
			break;
		case 's':
			if(rx_pointer>1){
				u = StringToInt(rx_buffer+1, 5);
				i = StringToInt(rx_buffer+6, 5);
				Set_U = u;
				Set_I = i;
				USART_SendString(USART6, "OK\n");
			}else{
				u = Set_U;
				i = Set_I;
				USART_SendString(USART6, "Set U:");
				USART_SendNumber(USART6, u);
				USART_SendString(USART6, ", Set I:");
				USART_SendNumber(USART6, i);
				USART_SendString(USART6, "\n");
			}
			break;
		case 'o':
			if(rx_pointer>1){
				output = (rx_buffer[1]=='1');
			}		
			USART_SendString(USART6, output?"Output ON\n":"Output OFF\n");
			break;
		case 'q':
			GPIO_SetBits(GPIOC, GPIO_Pin_0);
			USART_SendString(USART6, "PC0 ON\n");
			break;
		case 'a':
			GPIO_ResetBits(GPIOC, GPIO_Pin_0);
			USART_SendString(USART6, "PC0 OFF\n");
			break;
		default:
			USART_SendString(USART6, "Unknown command\n");
			break;
	}
}
Exemple #12
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int main(int argc, char **argv)
{
	initialize();
	clear_array();
	
	//Message to display on serial console. 
	//USART_SendString("\tHello world.\r\n"); 
	
	
	char str [33];
	
	while(1){
		PORTC = PINA;
		//Creating the "X":
		int i, j, k;
		
		//printf("\tHello \r\n");
		

		
			
		//IF no button pressed, light up as green
		if (PORTC != 0b00000001) {
			//clear_array();
			for (i = 7; i >= 0; i--) {
				PORTE = i;
				led_green(7-i, 7-i);
				led_green(7-i, i);
				_delay_ms(0.1);
				
				#ifdef DEBUG
					USART_SendString("\t\r\nX: ");
					USART_Transmit(itoa(7-i, str, 10));
					USART_SendString("\t\r\nY(top): ");
					USART_Transmit(itoa(7-i, str, 10));
					USART_SendString("\t\r\nY(bottom): ");
					USART_Transmit(itoa(i, str, 10));
				#endif
				
				set_array_green(0);
				
			}
		}
		
		//IF button 1 is pressed, light up as red
		if (PORTC & 0b00000010) {
			clear_array();
			for (i = 7; i >= 0; i--) {
				PORTE = i;
				led_red(7-i, 7-i);
				led_red(7-i, i);
				_delay_ms(0.1);
				
				#ifdef DEBUG
					USART_SendString("\t\r\nX: ");
					USART_Transmit(itoa(7-i, str, 10));
					USART_SendString("\t\r\nY(top): ");
					USART_Transmit(itoa(7-i, str, 10));
					USART_SendString("\t\r\nY(bottom): ");
					USART_Transmit(itoa(i, str, 10));
				#endif
				
				set_array_red(0);
				
			}
		}
		
		//IF button 5 is pressed, light up as blue.
		if (PORTC & 0b00100000) {
			clear_array();
			for (i = 7; i >= 0; i--) {
				PORTE = i;
				led_blue(7-i, 7-i);
				led_blue(7-i, i);
				_delay_ms(0.1);
				
				#ifdef DEBUG
					USART_SendString("\t\r\nX: ");
					USART_Transmit(itoa(7-i, str, 10));
					USART_SendString("\t\r\nY(top): ");
					USART_Transmit(itoa(7-i, str, 10));
					USART_SendString("\t\r\nY(bottom): ");
					USART_Transmit(itoa(i, str, 10));
				#endif
				
				set_array_blue(0);
			}
		}	
	}
}