Texas Instruments MSP430

170
if (CALBC1_1MHZ != 0xFF) {
/* Follow recommended flow. First, clear all DCOx and MODx bits. Then
* apply new RSELx values. Finally, apply new DCOx and MODx bit values.
*/
DCOCTL = 0x00;
BCSCTL1 = CALBC1_1MHZ; /* Set DCO to 1MHz */
DCOCTL = CALDCO_1MHZ;
}
/*
* Basic Clock System Control 1
*
* XT2OFF -- Disable XT2CLK
* ~XTS -- Low Frequency
* DIVA_0 -- Divide by 1
*
* Note: ~XTS indicates that XTS has value zero
*/
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;
/* USER CODE START (section: BCSplus_graceInit_epilogue) */
/* User code */
/* USER CODE END (section: BCSplus_graceInit_epilogue) */
}
void ADC10_graceInit(void)
{
/* USER CODE START (section: ADC10_graceInit_prologue) */
/* User initialization code */
/* USER CODE END (section: ADC10_graceInit_prologue) */
/* disable ADC10 during initialization */
ADC10CTL0 &= ~ENC;
/*
* Control Register 0
*
* ~ADC10SC -- No conversion
* ~ENC -- Disable ADC
* ~ADC10IFG -- Clear ADC interrupt flag
* ~ADC10IE -- Disable ADC interrupt
* ADC10ON -- Switch On ADC10
* ~REFON -- Disable ADC reference generator
* ~REF2_5V -- Set reference voltage generator = 1.5V
* ~MSC -- Disable multiple sample and conversion
* ~REFBURST -- Reference buffer on continuously
* ~REFOUT -- Reference output off
* ~ADC10SR -- Reference buffer supports up to ~200 ksps