MSP430REG_NORACE(ADC12IFG);
MSP430REG_NORACE(ADC12IE);
MSP430REG_NORACE(ADC12IV);
+
+ // SFRs are accessed directly or cast to a pointer, both works fine
+ // (we don't access all SFRs directly, because that would result in
+ // much higher memory footprint)
async command void HplAdc12.setCtl0(adc12ctl0_t control0){
- ADC12CTL0 = *(uint16_t*)&control0;
+ ADC12CTL0 = *((uint16_t*) &control0);
}
async command void HplAdc12.setCtl1(adc12ctl1_t control1){
- ADC12CTL1 = *(uint16_t*)&control1;
+ ADC12CTL1 = *((uint16_t*) &control1);
}
async command adc12ctl0_t HplAdc12.getCtl0(){
- return *(adc12ctl0_t*) &ADC12CTL0;
+ return *((adc12ctl0_t*) &ADC12CTL0);
}
async command adc12ctl1_t HplAdc12.getCtl1(){
- return *(adc12ctl1_t*) &ADC12CTL1;
+ return *((adc12ctl1_t*) &ADC12CTL1);
}
async command void HplAdc12.setMCtl(uint8_t i, adc12memctl_t memControl){
async command uint16_t HplAdc12.getIEFlags(){ return (uint16_t) ADC12IE; }
async command void HplAdc12.resetIFGs(){
- if (!ADC12IFG)
- return;
- else {
- // workaround, because ADC12IFG is not writable
- uint8_t i;
- volatile uint16_t tmp;
- for (i=0; i<16; i++)
- tmp = call HplAdc12.getMem(i);
- }
+ ADC12IV = 0;
+ ADC12IFG = 0;
}
- async command uint16_t HplAdc12.getIFGs(){ return (uint16_t) ADC12IFG; }
-
- async command bool HplAdc12.isBusy(){ return ADC12CTL1 & ADC12BUSY; }
-
- async command void HplAdc12.enableConversion(){ ADC12CTL0 |= ENC;}
- async command void HplAdc12.disableConversion(){ ADC12CTL0 &= ~ENC; }
- async command void HplAdc12.startConversion(){ ADC12CTL0 |= ADC12SC + ENC; }
- async command void HplAdc12.stopConversion(){
- ADC12CTL1 &= ~(CONSEQ_1 | CONSEQ_3);
- ADC12CTL0 &= ~ENC;
+ async command void HplAdc12.startConversion(){
+ ADC12CTL0 |= ADC12ON;
+ ADC12CTL0 |= (ADC12SC + ENC);
}
- async command void HplAdc12.setMSC(){ ADC12CTL0 |= MSC; }
- async command void HplAdc12.resetMSC(){ ADC12CTL0 &= ~MSC; }
-
- async command void HplAdc12.setRefOn(){ ADC12CTL0 |= REFON;}
- async command void HplAdc12.resetRefOn(){ ADC12CTL0 &= ~REFON;}
- async command uint8_t HplAdc12.getRefon(){ return (ADC12CTL0 & REFON) >> 5;}
- async command void HplAdc12.setRef1_5V(){ ADC12CTL0 &= ~REF2_5V;}
- async command void HplAdc12.setRef2_5V(){ ADC12CTL0 |= REF2_5V;}
- async command uint8_t HplAdc12.isRef2_5V(){ return (ADC12CTL0 & REF2_5V) >> 6;}
-
- async command void HplAdc12.setSHT(uint8_t sht){
- uint16_t ctl0 = ADC12CTL0;
- uint16_t shttemp = sht & 0x0F;
- ctl0 &= 0x00FF;
- ctl0 |= (shttemp << 8);
- ctl0 |= (shttemp << 12);
- ADC12CTL0 = ctl0;
+ async command void HplAdc12.stopConversion(){
+ // stop conversion mode immediately, conversion data is unreliable
+ uint16_t ctl1 = ADC12CTL1;
+ ADC12CTL1 &= ~(CONSEQ0 | CONSEQ1);
+ ADC12CTL0 &= ~(ADC12SC + ENC);
+ ADC12CTL0 &= ~(ADC12ON);
+ ADC12CTL1 |= (ctl1 & (CONSEQ0 | CONSEQ1));
}
- async command void HplAdc12.adcOff(){ ADC12CTL0 &= ~ADC12ON; }
- async command void HplAdc12.adcOn(){ ADC12CTL0 |= ADC12ON; }
+ async command void HplAdc12.enableConversion(){
+ ADC12CTL0 |= ENC;
+ }
+
+ async command bool HplAdc12.isBusy(){ return ADC12CTL1 & ADC12BUSY; }
TOSH_SIGNAL(ADC_VECTOR) {
- uint16_t iv = ADC12IV;
- switch(iv)
- {
- case 2: signal HplAdc12.memOverflow(); return;
- case 4: signal HplAdc12.conversionTimeOverflow(); return;
- }
- signal HplAdc12.conversionDone(iv);
+ signal HplAdc12.conversionDone(ADC12IV);
}
}