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)
{
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();
}
