//! Set the baud rate.
void setbaud(unsigned char rate){
- //http://mspgcc.sourceforge.net/baudrate.html
+ //Table 15-4, page 481 of 2xx Family Guide
switch(rate){
case 1://9600 baud
-
+ UCA0BR1 = 0x06;
+ UCA0BR0 = 0x82;
break;
case 2://19200 baud
-
+ UCA0BR1 = 0x03;
+ UCA0BR0 = 0x41;
break;
case 3://38400 baud
-
+ UCA0BR1 = 0xa0;
+ UCA0BR0 = 0x01;
break;
case 4://57600 baud
-
+ UCA0BR1 = 0x1d;
+ UCA0BR0 = 0x01;
break;
default:
case 5://115200 baud
-
+ UCA0BR0 = 0x8a;
+ UCA0BR1 = 0x00;
break;
}
}
break;
case 2://19200 baud
-
break;
case 3://38400 baud
}
}
-
-
-//19200
-#define BAUD0EN 0x1b
-#define BAUD1EN 0x00
-
+#define BAUD0EN 0x41
+#define BAUD1EN 0x03
void msp430_init_uart(){
UCA0CTL0 = 0x00;
//UCA0CTL0 |= UCMSB ;
UCA0CTL1 |= UCSSEL_2; // SMCLK
- UCA0BR0 = BAUD0EN; // 115200
- UCA0BR1 = BAUD1EN;
+
+ //UCA0BR0 = BAUD0EN; // 115200
+ //UCA0BR1 = BAUD1EN;
+ setbaud(5);//default baud, 115200
+
UCA0MCTL = 0; // Modulation UCBRSx = 5
UCA0CTL1 &= ~UCSWRST; // **Initialize USCI state machine**
}
-//external resistor
-#define DCOR 1
void msp430_init_dco() {
+ //This REQUIRES that info flash be unmolested.
+ //TODO check for that.
+
BCSCTL1 = CALBC1_16MHZ;
DCOCTL = CALDCO_16MHZ;
return;