void msp430_set_cpu_speed(uint32_t speed)
{
dint();
__msp430_cpu_speed = speed;
msp430_init_dco();
uint16_t br;
U0CTL = SWRST;
U0CTL = SWRST | CHAR; // 8-bit character
U0TCTL = SSEL1 | TXEPT; // UCLK = SCLK
U0RCTL = 0;
// activate
ME1 |= UTXE0 + URXE0; // Enable USART0 TXD/RXD
br = (uint16_t)((__msp430_cpu_speed & 0xFFFFF0) / 115200uL);
UBR00 = br; // set baudrate
UBR10 = br>>8;
UMCTL0 = calc_umctl(br); // set modulation
U0CTL &= ~SWRST;
//URCTL0 |= URXEIE; // allow chars to interrupt
IE1 |= URXIE0; // enable rx interrupt
IFG1 &= ~UTXIFG0;
eint();
}
void msp430_set_cpu_speed(uint32_t speed)
{
disableIRQ();
__msp430_cpu_speed = speed;
msp430_init_dco();
enableIRQ();
}
//! Initialize registers and all that jazz.
void init(){
volatile unsigned int i;
WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer
//LED and TX OUT
PLEDDIR |= PLEDPIN;
msp430_init_dco();
msp430_init_uart();
//Enable Interrupts.
//eint();
}
//! Initialize registers and all that jazz.
void init(){
WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer
//LED out and on.
PLEDDIR |= PLEDPIN;
PLEDOUT |= PLEDPIN;
//Setup clocks, unique to each '430.
msp430_init_dco();
msp430_init_uart();
//Enable Interrupts.
//eint();
}
void board_init(void)
{
msp430_cpu_init();
/* disable watchdog timer */
WDTCTL = WDTPW + WDTHOLD;
telosb_ports_init();
msp430_init_dco();
/* initialize bsp modules */
uart_init();
/* enable interrupts */
__bis_SR_register(GIE);
}
void msp430_set_cpu_speed(uint32_t speed)
{
dint();
__msp430_cpu_speed = speed;
msp430_init_dco();
uint16_t br;
UCTL1 = SWRST | CHAR; // 8-bit character
UTCTL1 |= SSEL1 | URXSE; // UCLK = MCLK
// activate
U1ME |= UTXE1 | URXE1; // Enable USART1 TXD/RXD
br = (uint16_t)(__msp430_cpu_speed / 115200uL);
UBR01 = br; // set baudrate
UBR11 = br>>8;
UMCTL1 = calc_umctl(br); // set modulation
UCTL1 &= ~SWRST;
//clock_init();
eint();
}
void board_init(void)
{
/* init CPU core */
msp430_cpu_init();
/* disable watchdog timer */
WDTCTL = WDTPW + WDTHOLD;
/* init MCU pins as adequate for Z1 hardware */
z1_ports_init();
/* initializes DCO */
msp430_init_dco();
/* initialize UART/USB module */
uart_init();
/* enable interrupts */
__bis_SR_register(GIE);
}
void init_hw()
{
WDTCTL = WDTPW + WDTHOLD; /* stop WDT */
msp430_init_dco();
P3SEL = BIT4 | BIT5; /* P3.4,5 = USCI_A0 TXD/RXD */
P3DIR = BIT0 | BIT1 | BIT3; /* reset, baud_rate, PIO3 */
P3OUT = BIT0;
UCA0CTL1 |= UCSSEL_2; /* SMCLK */
set_baud_115200();
UCA0CTL1 &= ~UCSWRST; /* Initialize USCI state machine */
IE2 |= UCA0RXIE; /* Enable USCI_A0 RX interrupt */
/* IR configs */
P1SEL = BIT5; /* Set as alternate function */
P1DIR = BIT4 | BIT5; /* P1.4,5 = IR_OUT1, IR_OUT2 */
P1OUT &= ~(BIT4 | BIT5); /* Turn off IR LED */
CCTL1 = CCIE; /* CCR1 interrupt enabled */
CCR1 = (SYS_CLK * US_PER_SYS_TICK) - 1;
CCTL0 = OUTMOD_4; /* CCR0 interrupt disabled and Toggle */
TACTL = TASSEL_2 + MC_2; /* SMCLK, continuous */
__bis_SR_register(GIE); /* interrupts enabled */
}
