stm32: Minor whitespace changes to stm32f0_adc.c
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
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b710174107
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20ac48f680
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@ -47,7 +47,7 @@ gpio_adc_setup(uint32_t pin)
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enable_pclock(adc_base);
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// 100: 41.5 ADC clock cycles
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adc->SMPR |= (~ADC_SMPR_SMP_Msk | ADC_SMPR_SMP_2 );
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adc->SMPR |= ~ADC_SMPR_SMP_Msk | ADC_SMPR_SMP_2;
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adc->CFGR2 |= ADC_CFGR2_CKMODE;
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adc->CFGR1 &= ~ADC_CFGR1_AUTOFF;
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adc->CFGR1 |= ADC_CFGR1_EXTSEL;
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@ -64,7 +64,7 @@ gpio_adc_setup(uint32_t pin)
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;
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// if not enabled
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if (!(adc->CR & ADC_CR_ADEN)){
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if (!(adc->CR & ADC_CR_ADEN)) {
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adc->ISR |= ADC_ISR_ADRDY;
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adc->CR |= ADC_CR_ADEN;
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while (!(ADC1->ISR & ADC_ISR_ADRDY))
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@ -72,11 +72,10 @@ gpio_adc_setup(uint32_t pin)
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}
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}
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if (pin == ADC_TEMPERATURE_PIN) {
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if (pin == ADC_TEMPERATURE_PIN)
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ADC1_COMMON->CCR = ADC_CCR_TSEN;
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} else {
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else
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gpio_peripheral(pin, GPIO_ANALOG, 0);
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}
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return (struct gpio_adc){ .adc = adc, .chan = 1 << chan };
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}
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@ -88,12 +87,10 @@ uint32_t
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gpio_adc_sample(struct gpio_adc g)
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{
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ADC_TypeDef *adc = g.adc;
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if ((adc->ISR & ADC_ISR_EOC) && (adc->CHSELR == g.chan)){
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if (adc->ISR & ADC_ISR_EOC && adc->CHSELR == g.chan)
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return 0;
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}
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if (adc->CR & ADC_CR_ADSTART){
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if (adc->CR & ADC_CR_ADSTART)
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goto need_delay;
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}
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adc->CHSELR = g.chan;
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adc->CR |= ADC_CR_ADSTART;
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@ -116,8 +113,7 @@ gpio_adc_cancel_sample(struct gpio_adc g)
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{
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ADC_TypeDef *adc = g.adc;
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irqstatus_t flag = irq_save();
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if (!(adc->ISR & ADC_ISR_EOC) && (adc->CHSELR == g.chan)){
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if (!(adc->ISR & ADC_ISR_EOC) && adc->CHSELR == g.chan)
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adc->CR |= ADC_CR_ADSTP;
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}
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irq_restore(flag);
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}
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