Get Temperature Setpoint. Try to get sensor data.

src/main.c

@@ -13,11 +13,22 @@
 /* Defines */
 
 /* Variables */
+static volatile struct {
+  uint8_t newTempSet: 1;
+  uint8_t AHT10state: 1;
+  uint8_t rezerv:     6;
+} Flag;
+uint8_t TemperatureSetpoint;
+aht10_t Sensor;
 
 /* Function prototypes */
 static void board_Init(void);
+static void checkTemperatureSetpoint(void);
+static void sensorStart(void);
+static void sensorGetData(void);
 
 int main(void) {
+  /* Init all */
   board_Init();
   RTOS_Init();
   I2C_Init();
@@ -25,9 +36,17 @@ int main(void) {
   tdelay_ms(40);
   ssd1306_init();
 
+  /* Clear flags */
+  Flag.newTempSet = 0;
+  Flag.AHT10state = 0;
+
+  /* Set tasks */
+  RTOS_SetTask(checkTemperatureSetpoint, 10, 100);
+  RTOS_SetTask(sensorStart, 50, 1000);
+  RTOS_SetTask(sensorGetData, 1050, 1000);
+
 //  ssd1306_clear();
-  ssd1306_fill2(0xff, 0x00);
-  tdelay_ms(2500);
+//  ssd1306_fill2(0xff, 0x00);
   ssd1306_clear();
   ssd1306tx_init(ssd1306xled_font6x8data, 0);
   // ssd1306xled_font8x16data
@@ -39,23 +58,24 @@ int main(void) {
   ssd1306tx_stringxy((uint8_t const *)ssd1306xled_font8x16data, 0, 5, "TINUSAUR Project");
   ssd1306_setpos(0, 7);
   ssd1306tx_string("http://tinusaur.org");
+  tdelay_ms(1000);
 
-  RTOS_SetTask((void *)AHT10_StartMeasure, 0, 500);
-  aht10_t Sensor;
-  aht10_st_t status;
-
+  /* Infinity loop */
   do {
+  if (Flag.newTempSet != 0) {
+    Flag.newTempSet = 0;
+    // do some ...
+  }
 
-    RTOS_DispatchTask();
-
-    status = AHT10_StartMeasure();
-    tdelay_ms(200);
-    status = AHT10_GetData(&Sensor);
-    if (status == AHT10_St_OK) {
-      ssd1306_setpos(1, 3);
+    ssd1306_setpos(1, 3);
+    if (Flag.AHT10state == 0) {
       ssd1306tx_numdec(Sensor.Temperature);
+    } else {
+      ssd1306tx_string("AHT10 error");
     }
 
+    RTOS_DispatchTask();
+
     // делать нечего -- спим, ждём прерывание
 #if defined(__GNUC__)
     set_sleep_mode(SLEEP_MODE_IDLE);
@@ -78,13 +98,12 @@ static void board_Init(void) {
   /* power off Analog Comparator */
   ACSR = ACD;
 
-  /* I/O-Ports */
-  DDRB = 0x22; // PB2 - Triac control, PB5 - Green LED
+  /* GPIO */
+  DDRB = 0x22; // PB1 - Triac control, PB5 - Green LED
   DDRC = 0x30; // I2C output
-  DDRD = 0x03; // D2..D7 input / UART output
-  PORTB = 0x02; // close Triac
+  PORTB = 0x03; // close Triac, enable pull-up for D8
   PORTC = 0x3e; // I2C = 1, enable pull-up for switch
-  PORTD = 0xfc; // enable pull-up for switch
+  PORTD = 0xfc; // enable pull-up for D0-D7 (Switch)
 
   /* Timer0 - RTOS & tdelay_ms() */
   TCCR0B = ((0<<CS02)|(1<<CS01)|(1<<CS00));
@@ -98,28 +117,81 @@ static void board_Init(void) {
   //TCNT2 = 0x00;
   //TIMSK |= _BV(TOIE2);
 
-#ifdef USE_UART
-  /* USART */
-  DDRD |= _BV(PD0); // RX to Input
-  // Set baud rate
-  UBRRH = (BAUD_PRESCALE >> 8);
-  UBRRL = BAUD_PRESCALE;
-  #if (BAUD_U2X != 0)
-  // Asynchronous Double Speed
-  UCSRA = 1 << U2X;
-  #endif // BAUD_U2X
-  // Turn on USART hardware (no RX, TX)
-  UCSRB = (1 << RXEN) | (1 << TXEN);
-  // 8 bit char sizes, 1 stop bit
-  //UCSRC = (1 << URSEL) | (1 << UCSZ0) | (1 << UCSZ1); -- default value
-#endif // USE_UART
-
   /* Enable Interrupts */
-#if defined(__GNUC__)
-  sei();
-#elif defined(__ICCAVR__)
-  __enable_interrupt();
-#endif
+  ENABLE_INTERRUPT;
+}
+
+static void checkTemperatureSetpoint(void) {
+  static uint8_t oldTempSet = 0;
+  uint8_t pvalue;
+
+  pvalue = ~(PIND);
+  if (pvalue != 0) {
+    switch (pvalue) {
+    case 1<<PB0:
+      TemperatureSetpoint = 55;
+      break;
+    case 1<<PB1:
+      TemperatureSetpoint = 50;
+      break;
+    case 1<<PB2:
+      TemperatureSetpoint = 60;
+      break;
+    case 1<<PB3:
+      TemperatureSetpoint = 65;
+      break;
+    case 1<<PB4:
+      TemperatureSetpoint = 70;
+      break;
+    case 1<<PB5:
+      TemperatureSetpoint = 75;
+      break;
+    case 1<<PB6:
+      TemperatureSetpoint = 80;
+      break;
+    case 1<<PB7:
+      TemperatureSetpoint = 85;
+      break;
+    default:
+      TemperatureSetpoint = 0;
+    }
+  } else {
+    pvalue = ~(PINB) | (1<<PB0);
+    if (pvalue != 0) {
+      TemperatureSetpoint = 90;
+    } else {
+      TemperatureSetpoint = 0;
+    }
+  }
+
+  if (oldTempSet != TemperatureSetpoint) {
+    Flag.newTempSet = 1;
+    oldTempSet = TemperatureSetpoint;
+  }
+}
+
+static void sensorStart(void) {
+  aht10_st_t status;
+
+  status = AHT10_StartMeasure();
+
+  if (status != AHT10_St_OK) {
+    Flag.AHT10state = 1;
+  } else {
+    Flag.AHT10state = 0;
+  }
+}
+
+static void sensorGetData(void) {
+  aht10_st_t status;
+
+  status = AHT10_GetData(&Sensor);
+
+  if (status != AHT10_St_OK) {
+    Flag.AHT10state = 1;
+  } else {
+    Flag.AHT10state = 0;
+  }
 }
 
 /**