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();
}
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);
}
}
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);
}
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);
}
}
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);
}
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;
}
}
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);
}
}
}
}
