gpio: Fix off-by-one in declaration of ADC_MAX
The maximum value for the ADC is 1023 for 10bit samples and 4095 for 12bit samples. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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@ -258,7 +258,7 @@ static const uint8_t adc_pins[] PROGMEM = {
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static const uint8_t ADMUX_DEFAULT = 0x40;
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static const uint8_t ADMUX_DEFAULT = 0x40;
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DECL_CONSTANT(ADC_MAX, 1024);
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DECL_CONSTANT(ADC_MAX, 1023);
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struct gpio_adc
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struct gpio_adc
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gpio_adc_setup(uint8_t pin)
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gpio_adc_setup(uint8_t pin)
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@ -128,7 +128,7 @@ static const uint8_t adc_pins[] = {
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};
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};
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#define ADC_FREQ_MAX 20000000
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#define ADC_FREQ_MAX 20000000
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DECL_CONSTANT(ADC_MAX, 4096);
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DECL_CONSTANT(ADC_MAX, 4095);
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struct gpio_adc
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struct gpio_adc
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gpio_adc_setup(uint8_t pin)
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gpio_adc_setup(uint8_t pin)
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