#include "gfports.h"
-unsigned char serial_rx();
-void serial_tx(unsigned char);
+#ifdef telosb
+//TelosB uses second serial port.
+#define serial_tx serial1_tx
+#define serial_rx serial1_rx
+#define setbaud setbaud1
+#define msp430_init_uart msp430_init_uart1
+#else
+//Other targets use first.
+#define serial_tx serial0_tx
+#define serial_rx serial0_rx
+#define setbaud setbaud0
+#define msp430_init_uart msp430_init_uart0
+#endif
+
+unsigned char serial0_rx();
+void serial0_tx(unsigned char);
unsigned char serial1_rx();
void serial1_tx(unsigned char);
-void setbaud(unsigned char);
+void setbaud0(unsigned char);
void setbaud1(unsigned char);
//! Initialize the UART
-void msp430_init_uart();
+void msp430_init_uart0();
+//! Initialize the UART
+void msp430_init_uart1();
+
//! Initialize the DCO Clock
void msp430_init_dco();
//! Called by monitor() when the DCO is correct and communication established.
#include <iomacros.h>
//! Receive a byte.
-unsigned char serial_rx(){
+unsigned char serial0_rx(){
char c;
while(!(IFG1&URXIFG0));//wait for a byte
}
//! Transmit a byte.
-void serial_tx(unsigned char x){
+void serial0_tx(unsigned char x){
while ((IFG1 & UTXIFG0) == 0); //loop until buffer is free
TXBUF0 = x;
}
*/
//! Set the baud rate.
-void setbaud(unsigned char rate){
+void setbaud0(unsigned char rate){
//http://mspgcc.sourceforge.net/baudrate.html
switch(rate){
//! Set the baud rate of the second uart.
void setbaud1(unsigned char rate){
-
//http://mspgcc.sourceforge.net/baudrate.html
switch(rate){
case 1://9600 baud
- // UBR01=0x7F; UBR11=0x01; UMCTL1=0x5B; /* uart0 3683400Hz 9599bps */
+ UBR01=0x7F; UBR11=0x01; UMCTL1=0x5B; /* uart0 3683400Hz 9599bps */
break;
case 2://19200 baud
- //UBR01=0xBF; UBR11=0x00; UMCTL1=0xF7; /* uart0 3683400Hz 19194bps */
+ UBR01=0xBF; UBR11=0x00; UMCTL1=0xF7; /* uart0 3683400Hz 19194bps */
break;
case 3://38400 baud
- //UBR01=0x5F; UBR11=0x00; UMCTL1=0xBF; /* uart0 3683400Hz 38408bps */
+ UBR01=0x5F; UBR11=0x00; UMCTL1=0xBF; /* uart0 3683400Hz 38408bps */
break;
case 4://57600 baud
- //UBR01=0x40; UBR11=0x00; UMCTL1=0x00; /* uart0 3683400Hz 57553bps */
+ UBR01=0x40; UBR11=0x00; UMCTL1=0x00; /* uart0 3683400Hz 57553bps */
break;
default:
case 5://115200 baud
- //UBR01=0x20; UBR11=0x00; UMCTL1=0x00; /* uart0 3683400Hz 115106bps */
+ UBR01=0x20; UBR11=0x00; UMCTL1=0x00; /* uart0 3683400Hz 115106bps */
break;
}
}
-void msp430_init_uart(){
-
+void msp430_init_uart0(){
/* RS232 */
P3SEL |= BIT4|BIT5; // P3.4,5 = USART0 TXD/RXD
UCTL0 = SWRST | CHAR; /* 8-bit character, UART mode */
UTCTL0 = SSEL1; /* UCLK = MCLK */
- setbaud(0);
+ setbaud0(0);
ME1 &= ~USPIE0; /* USART1 SPI module disable */
ME1 |= (UTXE0 | URXE0); /* Enable USART1 TXD/RXD */
}
+void msp430_init_uart1(){
+
+ /* RS232 */
+ P3DIR &= ~0x80; /* Select P37 for input (UART1RX) */
+ P3DIR |= 0x40; /* Select P36 for output (UART1TX) */
+ P3SEL |= 0xC0; /* Select P36,P37 for UART1{TX,RX} */
+
+ UCTL1 = SWRST | CHAR; /* 8-bit character, UART mode */
+ UTCTL1 = SSEL1; /* UCLK = MCLK */
+
+ setbaud1(0);
+
+ ME2 &= ~USPIE1; /* USART1 SPI module disable */
+ ME2 |= (UTXE1 | URXE1); /* Enable USART1 TXD/RXD */
+
+ UCTL1 &= ~SWRST;
+
+ /* XXX Clear pending interrupts before enable!!! */
+ U1TCTL |= URXSE;
+
+ //IE2 |= URXIE1; /* Enable USART1 RX interrupt */
+}
+
+
/** For EZ430/FETUIF
void msp430_init_dco() {
WDTCTL = WDTPW + WDTHOLD; //stop WDT
//#define MSP430_CPU_SPEED 4915200UL
//Max speed.
-//#deefine MSP430_CPU_SPEED 4500000UL
+//#define MSP430_CPU_SPEED 4500000UL
//baud rate speed
#define MSP430_CPU_SPEED 3683400UL