ADC in MSP430

Vadim Harlamov wrote to All on Sun, 28 Sep 2003 10:59:11 +0400:

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// ------------------------------------------------- // // // éÎÉÃÉÁÌÉÚÁÃÉÑ // // // Setup ADC12 & REF, ref = 2.5V, sampling time, multiCH ADC12CTL0 = ADC12ON+REFON+REF2_5V+SHT0_10+SHT1_10+MSC;

// Use sampling timer, setup conversion mode, start in 0CH ADC12CTL1 = SHP+CONSEQ_1+CSTARTADD_0;

ADC12MCTL0 = INCH_6+SREF_0; // Select channel A6 (Alpha),Vref+ ADC12MCTL1 = INCH_6+SREF_0; // Select channel A6 (Alpha),Vref+ ADC12MCTL2 = INCH_6+SREF_0; // Select channel A6 (Alpha),Vref+ ADC12MCTL3 = INCH_6+SREF_0; // Select channel A6 (Alpha),Vref+ ADC12MCTL4 = INCH_6+SREF_0; // Select channel A6 (Alpha),Vref+ ADC12MCTL5 = INCH_6+SREF_0; // Select channel A6 (Alpha),Vref+ ADC12MCTL6 = INCH_6+SREF_0; // Select channel A6 (Alpha),Vref+ ADC12MCTL7 = INCH_6+SREF_0; // Select channel A6 (Alpha),Vref+

ADC12MCTL8 = INCH_10+SREF_1; // Select channel A10 (Temperature), Vref+ ADC12MCTL9 = INCH_10+SREF_1; // Select channel A10 (Temperature), Vref+ ADC12MCTL10 = INCH_10+SREF_1; // Select channel A10 (Temperature), Vref+

ADC12MCTL11 = INCH_5+SREF_1; // Select channel A5 (Pressure), Vref+ ADC12MCTL12 = INCH_5+SREF_1; // Select channel A5 (Pressure), Vref+ ADC12MCTL13 = INCH_5+SREF_1; // Select channel A5 (Pressure), Vref+

ADC12MCTL14 = INCH_7+SREF_1; // Select channel A7 (Battery), Vref+ ADC12MCTL15 = INCH_7+SREF_1+EOS; // Select channel A7 (Battery), Vref+

ADC12IE = (word)(1 << 15); // Enable ADC12IFG.15

// ------------------------------------------------- // // // úÁÐÕÓË //

static void Start() { __disable_interrupt(); ADC12CTL0 |= ENC; // ADC enable conversion ADC12CTL0 |= ADC12SC; // ADC start conversion __bis_SR_register(LPM0_bits + GIE); }

// ------------------------------------------------- // // // ïÂÒÁÂÏÔÞÉË ÐÒÅÒÙ×ÁÎÉÑ //

__interrupt void TADC::ConversionComplete() { word x = ADC12MEM15; // clear interrupt flag

__bic_SR_register_on_exit(LPM0_bits); }

...so long!

### ôÑÖÅÌÏ × ÍyÞÅÎÉÉ - ÌÅÇËÏ × ÇpÏÂy.