#include <msp430.h>
int temp[50];
int diff[50];
int a=0;
unsigned int i=0;
unsigned int j=0;
unsigned char humidityHigh = 0;
unsigned char humidityLow = 0;
unsigned char temperatureHigh = 0;
unsigned char temperatureLow = 0;
unsigned char checkSum = 0;
unsigned char check = 0;
unsigned char dataOk = 0 ;
unsigned char TXCounter=0; // Giden veri sayacı
unsigned char humiTemp[2]={"xx"}; // Gönderilecek yazı
unsigned char bAlinanKarakter[1]={"x"};
void main(void)
{
WDTCTL = WDTPW | WDTHOLD; // stop watchdog timer
DCOCTL = 0;
BCSCTL1 = CALBC1_1MHZ;
DCOCTL = CALDCO_1MHZ;
P1DIR &= ~(BIT1); // P1.0 pin output
P1SEL |= (BIT1 + BIT2);//P1.1 = RXD P1.2 = TXD
P1SEL2 |= (BIT1 + BIT2);//P1.1 = RXD P1.2 = TXD
UCA0CTL1 |= UCSSEL_2; // UART Ayarları, Saat kaynağı SMCLK
UCA0BR0 = 104; // 1MHz 9600 bud ayarı
UCA0BR1 = 0; // 1MHz 9600 baud ayarı
UCA0MCTL = UCBRS0; // UART Baud hassas ayar
UCA0CTL1 &= ~UCSWRST; // USCI birimini hazırla
TA1CTL = TASSEL_2|MC_2;
TA1CCTL2 = CAP | CCIE | CCIS_0 | CM_2 | SCS ;
__delay_cycles(2000000);
P2DIR |= BIT4;
P2OUT &= ~BIT4;
__delay_cycles(20000);
P2OUT |= BIT4;
__delay_cycles(20);
P2DIR &= ~BIT4;
P2SEL |= BIT4;
_enable_interrupts();
while(1){
if (i >= 40){
for (j = 1; j <= 8; j++){
if (diff[j] >= 110)
humidityHigh |= (0x01 << (8-j));
}
for (j = 9; j <= 16; j++){
if (diff[j] >= 110)
humidityLow |= (0x01 << (16-j));
}
for (j = 17; j <= 24; j++){
if (diff[j] >= 110)
temperatureHigh |= (0x01 << (24-j));
}
for (j = 25; j <= 32; j++){
if (diff[j] >= 110)
temperatureLow |= (0x01 << (32-j));
}
for (j = 33; j <= 40; j++){
if (diff[j] >= 110)
checkSum |= (0x01 << (40-j));
}
check=humidityHigh+humidityLow+temperatureHigh+temperatureLow;
if (check == checkSum){
dataOk = 1;
humiTemp[0] =humidityHigh; // Nem değeri
humiTemp[1]= temperatureHigh; // Sıcaklık değeri
IE2 |= UCA0TXIE; // Gönderme kesmesini aç
__bis_SR_register(GIE); // interrupt aktif edildi
IE2 |= UCA0RXIE;
}
else{
dataOk = 0;
}
__delay_cycles(1000000);
WDTCTL = WDT_MRST_0_064;
}
}
}
#pragma vector = TIMER1_A1_VECTOR
__interrupt void Timer_A1(void){
temp = TA1CCR2;
i += 1;
TA1CCTL2 &= ~CCIFG ;
if (i>=2) diff[i-1]=temp[i-1]-temp[i-2];
}
#pragma vector=USCIAB0TX_VECTOR
__interrupt void USCI0TX_ISR(void)
{
while (!(IFG2&UCA0TXIFG)); // TX tamponu hazır olana kadar bekle
UCA0TXBUF = humiTemp[TXCounter]; // sıradaki karakteri gönder
__delay_cycles(2000000);
if (++TXCounter>=2){ // Tüm karakterler gitti mi?
TXCounter=0; // Gödnerme sayascını sıfırla
IE2 &= ~(UCA0TXIE); // Evet ise gönderme kesmesini kapat
}
}
#pragma vector = USCIAB0RX_VECTOR
__interrupt void USCIAB0RX_ISR(void)
{
while(!(IFG2&UCA0RXIFG));
bAlinanKarakter[0]=UCA0RXBUF; // Gelen veriyi al
IE2 &= ~(UCA0RXIE); // Evet ise alma kesmesini kapat
}