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cpu/stm32f0: adc: Add default error cases

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This commit is contained in:
Joakim Nohlgård 2016-02-12 00:17:24 +01:00
parent 30e42669d6
commit ade9941ab6
1 changed files with 4 additions and 1 deletions
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5
cpu/stm32f0/periph/adc.c
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@ -53,6 +53,8 @@ int adc_init(adc_t dev, adc_precision_t precision)
(3 << ADC_0_CH4_PIN) | (3 << ADC_0_CH5_PIN));
break;
#endif
default:
return -1;
}
/* reset control registers */
@ -79,7 +81,6 @@ int adc_init(adc_t dev, adc_precision_t precision)
case ADC_RES_16BIT:
adc_poweroff(dev);
return -1;
break;
}
/* configure sampling time to 41.5 cycles */
@ -123,6 +124,8 @@ int adc_sample(adc_t dev, int channel)
}
break;
#endif
default:
return -1;
}
/* start single conversion */