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Texas Instruments MSP430

Texas Instruments MSP430
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278
BCSCTL1 |= XT2OFF | DIVA_0;
/*
* Basic Clock System Control 3
*
* XT2S_0 -- 0.4 - 1 MHz
* LFXT1S_0 -- If XTS = 0, XT1 = 32768kHz Crystal ; If XTS = 1, XT1 = 0.4 - 1-
MHz crystal or resonator
* XCAP_1 -- ~6 pF
*/
BCSCTL3 = XT2S_0 | LFXT1S_0 | XCAP_1;
}
void GPIO_graceInit(void)
{
/* Port 1 Output Register */
P1OUT = 0;
/* Port 1 Direction Register */
P1DIR = 0;
/* Port 1 Interrupt Edge Select Register */
P1IES = 0;
/* Port 1 Interrupt Flag Register */
P1IFG = 0;
/* Port 2 Output Register */
P2OUT = 0;
/* Port 2 Port Select Register */
P2SEL &= ~(BIT6 | BIT7);
/* Port 2 Direction Register */
P2DIR = BIT0 | BIT1 | BIT2;
/* Port 2 Interrupt Edge Select Register */
P2IES = 0;
/* Port 2 Interrupt Flag Register */
P2IFG = 0;
}
void System_graceInit(void)
{
WDTCTL = WDTPW | WDTHOLD;
}
void show_value(unsigned char value)
{
unsigned char ch = 0x00;
ch = ((value / 100) + 0x30);
LCD_goto(6, 1);
LCD_putchar(ch);

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